diff options
Diffstat (limited to 'ctdb/protocol')
| -rw-r--r-- | ctdb/protocol/protocol.h | 1079 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_api.h | 682 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_basic.c | 400 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_basic.h | 86 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_call.c | 581 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_client.c | 2352 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_control.c | 2036 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_debug.c | 746 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_header.c | 169 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_keepalive.c | 95 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_message.c | 485 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_packet.c | 48 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_private.h | 300 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_sock.c | 81 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_tunnel.c | 114 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_types.c | 5348 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_util.c | 773 | ||||
| -rw-r--r-- | ctdb/protocol/protocol_util.h | 83 |
18 files changed, 15458 insertions, 0 deletions
diff --git a/ctdb/protocol/protocol.h b/ctdb/protocol/protocol.h new file mode 100644 index 0000000..009a0df --- /dev/null +++ b/ctdb/protocol/protocol.h @@ -0,0 +1,1079 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef __CTDB_PROTOCOL_H__ +#define __CTDB_PROTOCOL_H__ + +#include <tdb.h> + +#define CTDB_MAGIC 0x43544442 /* CTDB */ +#define CTDB_PROTOCOL 1 + +enum ctdb_operation { + CTDB_REQ_CALL = 0, + CTDB_REPLY_CALL = 1, + CTDB_REQ_DMASTER = 2, + CTDB_REPLY_DMASTER = 3, + CTDB_REPLY_ERROR = 4, + CTDB_REQ_MESSAGE = 5, + /* #6 removed */ + CTDB_REQ_CONTROL = 7, + CTDB_REPLY_CONTROL = 8, + CTDB_REQ_KEEPALIVE = 9, + CTDB_REQ_TUNNEL = 10, +}; + +/* used on the domain socket, send a pdu to the local daemon */ +#define CTDB_CURRENT_NODE 0xF0000001 +/* send a broadcast to all nodes in the cluster, active or not */ +#define CTDB_BROADCAST_ALL 0xF0000002 +/* send a broadcast to all nodes in the current vnn map */ +#define CTDB_BROADCAST_ACTIVE 0xF0000003 +/* send a broadcast to all connected nodes */ +#define CTDB_BROADCAST_CONNECTED 0xF0000004 +/* send a broadcast to selected connected nodes */ +#define CTDB_MULTICAST 0xF0000005 + +#define CTDB_UNKNOWN_PNN 0xFFFFFFFF + +/* the key used to store persistent db sequence number */ +#define CTDB_DB_SEQNUM_KEY "__db_sequence_number__" + +struct ctdb_req_header { + uint32_t length; + uint32_t ctdb_magic; + uint32_t ctdb_version; + uint32_t generation; + uint32_t operation; + uint32_t destnode; + uint32_t srcnode; + uint32_t reqid; +}; + +struct ctdb_req_call { + uint32_t flags; + uint32_t db_id; + uint32_t callid; + uint32_t hopcount; + TDB_DATA key; + TDB_DATA calldata; +}; + +struct ctdb_reply_call { + int32_t status; + TDB_DATA data; +}; + +struct ctdb_reply_error { + int32_t status; + TDB_DATA msg; +}; + +struct ctdb_req_dmaster { + uint32_t db_id; + uint64_t rsn; + uint32_t dmaster; + TDB_DATA key; + TDB_DATA data; +}; + +struct ctdb_reply_dmaster { + uint32_t db_id; + uint64_t rsn; + TDB_DATA key; + TDB_DATA data; +}; + +#define CTDB_NULL_FUNC 0xFF000001 +#define CTDB_FETCH_FUNC 0xFF000002 +#define CTDB_FETCH_WITH_HEADER_FUNC 0xFF000003 + +struct ctdb_call { + int call_id; + TDB_DATA key; + TDB_DATA call_data; + TDB_DATA reply_data; + uint32_t status; +#define CTDB_IMMEDIATE_MIGRATION 0x00000001 +#define CTDB_CALL_FLAG_VACUUM_MIGRATION 0x00000002 +#define CTDB_WANT_READONLY 0x00000004 + uint32_t flags; +}; + +/* SRVID to catch all messages */ +#define CTDB_SRVID_ALL (~(uint64_t)0) + +/* SRVID prefix used during recovery for pulling and pushing databases */ +#define CTDB_SRVID_RECOVERY 0xF001000000000000LL + +/* SRVID to assign of banning credits */ +#define CTDB_SRVID_BANNING 0xF002000000000000LL + +/* SRVID to inform of election data */ +#define CTDB_SRVID_ELECTION 0xF100000000000000LL + +/* SRVID for broadcasting leader */ +#define CTDB_SRVID_LEADER 0xF101000000000000LL + +/* SRVID to inform clients that the cluster has been reconfigured */ +#define CTDB_SRVID_RECONFIGURE 0xF200000000000000LL + +/* SRVID to inform clients an IP address has been released */ +#define CTDB_SRVID_RELEASE_IP 0xF300000000000000LL + +/* SRVID to inform clients that an IP address has been taken over */ +#define CTDB_SRVID_TAKE_IP 0xF301000000000000LL + +/* SRVID to inform clients that CTDB_EVENT_IPREALLOCATED finished */ +#define CTDB_SRVID_IPREALLOCATED 0xF302000000000000LL + +/* SRVID to inform recovery daemon of the node flags - OBSOLETE */ +#define CTDB_SRVID_SET_NODE_FLAGS 0xF400000000000000LL + +/* SRVID to inform recovery daemon to update public ip assignment */ +#define CTDB_SRVID_RECD_UPDATE_IP 0xF500000000000000LL + +/* SRVID to inform recovery daemon to migrate a set of records */ +#define CTDB_SRVID_VACUUM_FETCH 0xF700000000000000LL + +/* SRVID to inform recovery daemon to detach a database */ +#define CTDB_SRVID_DETACH_DATABASE 0xF701000000000000LL + +/* SRVID to inform recovery daemon to dump talloc memdump to the log */ +#define CTDB_SRVID_MEM_DUMP 0xF800000000000000LL + +/* SRVID to inform recovery daemon to send logs */ +#define CTDB_SRVID_GETLOG 0xF801000000000000LL + +/* SRVID to inform recovery daemon to clear logs */ +#define CTDB_SRVID_CLEARLOG 0xF802000000000000LL + +/* SRVID to inform recovery daemon to push the node flags to other nodes */ +#define CTDB_SRVID_PUSH_NODE_FLAGS 0xF900000000000000LL + +/* SRVID to inform recovery daemon to reload the nodes file */ +#define CTDB_SRVID_RELOAD_NODES 0xFA00000000000000LL + +/* SRVID to inform recovery daemon to perform a takeover run */ +#define CTDB_SRVID_TAKEOVER_RUN 0xFB00000000000000LL + +/* SRVID to inform recovery daemon to rebalance ips for a node. */ +#define CTDB_SRVID_REBALANCE_NODE 0xFB01000000000000LL + +/* SRVID to inform recovery daemon to stop takeover runs from occurring */ +#define CTDB_SRVID_DISABLE_TAKEOVER_RUNS 0xFB03000000000000LL + +/* SRVID to inform recovery daemon to stop recoveries from occurring */ +#define CTDB_SRVID_DISABLE_RECOVERIES 0xFB04000000000000LL + +/* SRVID to inform recovery daemon to disable the public ip checks */ +#define CTDB_SRVID_DISABLE_IP_CHECK 0xFC00000000000000LL + +/* A range of ports reserved for registering a PID (top 8 bits) + * All ports matching the 8 top bits are reserved for exclusive use by + * registering a SRVID that matches the process-id of the requesting process + */ +#define CTDB_SRVID_PID_RANGE 0x0000000000000000LL + +/* A range of ports reserved for samba (top 8 bits) + * All ports matching the 8 top bits are reserved for exclusive use by + * CIFS server + */ +#define CTDB_SRVID_SAMBA_NOTIFY 0xFE00000000000000LL +#define CTDB_SRVID_SAMBA_RANGE 0xFE00000000000000LL + +/* A range of ports reserved for a CTDB NFS server (top 8 bits) + * All ports matching the 8 top bits are reserved for exclusive use by + * NFS server + */ +#define CTDB_SRVID_NFSD_RANGE 0xEE00000000000000LL + +/* A range of ports reserved for a CTDB ISCSI server (top 8 bits) + * All ports matching the 8 top bits are reserved for exclusive use by + * ISCSI server + */ +#define CTDB_SRVID_ISCSID_RANGE 0xDE00000000000000LL + +/* A range of ports reserved for CTDB tool (top 8 bits) + * All ports matching the 8 top bits are reserved for exclusive use by + * CTDB tool + */ +#define CTDB_SRVID_TOOL_RANGE 0xCE00000000000000LL + +/* A range of ports reserved by client (top 8 bits) + * All ports matching the 8 top bits are reserved for exclusive use by + * CTDB client code + */ +#define CTDB_SRVID_CLIENT_RANGE 0xBE00000000000000LL + +/* Range of ports reserved for test applications (top 8 bits) + * All ports matching the 8 top bits are reserved for exclusive use by + * test applications + */ +#define CTDB_SRVID_TEST_RANGE 0xAE00000000000000LL + + +enum ctdb_controls {CTDB_CONTROL_PROCESS_EXISTS = 0, + CTDB_CONTROL_STATISTICS = 1, + /* #2 removed */ + CTDB_CONTROL_PING = 3, + CTDB_CONTROL_GETDBPATH = 4, + CTDB_CONTROL_GETVNNMAP = 5, + CTDB_CONTROL_SETVNNMAP = 6, + CTDB_CONTROL_GET_DEBUG = 7, + CTDB_CONTROL_SET_DEBUG = 8, + CTDB_CONTROL_GET_DBMAP = 9, + CTDB_CONTROL_GET_NODEMAPv4 = 10, /* obsolete */ + CTDB_CONTROL_SET_DMASTER = 11, /* obsolete */ + /* #12 removed */ + CTDB_CONTROL_PULL_DB = 13, /* obsolete */ + CTDB_CONTROL_PUSH_DB = 14, /* obsolete */ + CTDB_CONTROL_GET_RECMODE = 15, + CTDB_CONTROL_SET_RECMODE = 16, + CTDB_CONTROL_STATISTICS_RESET = 17, + CTDB_CONTROL_DB_ATTACH = 18, + CTDB_CONTROL_SET_CALL = 19, /* obsolete */ + CTDB_CONTROL_TRAVERSE_START = 20, + CTDB_CONTROL_TRAVERSE_ALL = 21, + CTDB_CONTROL_TRAVERSE_DATA = 22, + CTDB_CONTROL_REGISTER_SRVID = 23, + CTDB_CONTROL_DEREGISTER_SRVID = 24, + CTDB_CONTROL_GET_DBNAME = 25, + CTDB_CONTROL_ENABLE_SEQNUM = 26, + CTDB_CONTROL_UPDATE_SEQNUM = 27, + /* #28 removed */ + CTDB_CONTROL_DUMP_MEMORY = 29, + CTDB_CONTROL_GET_PID = 30, + CTDB_CONTROL_GET_RECMASTER = 31, /* obsolete */ + CTDB_CONTROL_SET_RECMASTER = 32, /* obsolete */ + CTDB_CONTROL_FREEZE = 33, + CTDB_CONTROL_THAW = 34, /* obsolete */ + CTDB_CONTROL_GET_PNN = 35, + CTDB_CONTROL_SHUTDOWN = 36, + CTDB_CONTROL_GET_MONMODE = 37, /* obsolete */ + /* #38 removed */ + /* #39 removed */ + /* #40 removed */ + /* #41 removed */ + CTDB_CONTROL_TAKEOVER_IPv4 = 42, /* obsolete */ + CTDB_CONTROL_RELEASE_IPv4 = 43, /* obsolete */ + CTDB_CONTROL_TCP_CLIENT = 44, + CTDB_CONTROL_TCP_ADD = 45, + CTDB_CONTROL_TCP_REMOVE = 46, + CTDB_CONTROL_STARTUP = 47, + CTDB_CONTROL_SET_TUNABLE = 48, + CTDB_CONTROL_GET_TUNABLE = 49, + CTDB_CONTROL_LIST_TUNABLES = 50, + CTDB_CONTROL_GET_PUBLIC_IPSv4 = 51, /* obsolete */ + CTDB_CONTROL_MODIFY_FLAGS = 52, + CTDB_CONTROL_GET_ALL_TUNABLES = 53, + CTDB_CONTROL_KILL_TCP = 54, /* obsolete */ + CTDB_CONTROL_GET_TCP_TICKLE_LIST = 55, + CTDB_CONTROL_SET_TCP_TICKLE_LIST = 56, + CTDB_CONTROL_REGISTER_SERVER_ID = 57, /* obsolete */ + CTDB_CONTROL_UNREGISTER_SERVER_ID = 58, /* obsolete */ + CTDB_CONTROL_CHECK_SERVER_ID = 59, /* obsolete */ + CTDB_CONTROL_GET_SERVER_ID_LIST = 60, /* obsolete */ + CTDB_CONTROL_DB_ATTACH_PERSISTENT = 61, + CTDB_CONTROL_PERSISTENT_STORE = 62, /* obsolete */ + CTDB_CONTROL_UPDATE_RECORD = 63, + CTDB_CONTROL_SEND_GRATUITOUS_ARP = 64, + CTDB_CONTROL_TRANSACTION_START = 65, /* obsolete */ + CTDB_CONTROL_TRANSACTION_COMMIT = 66, /* obsolete */ + CTDB_CONTROL_WIPE_DATABASE = 67, + /* #68 removed */ + CTDB_CONTROL_UPTIME = 69, + CTDB_CONTROL_START_RECOVERY = 70, + CTDB_CONTROL_END_RECOVERY = 71, + CTDB_CONTROL_RELOAD_NODES_FILE = 72, + /* #73 removed */ + CTDB_CONTROL_TRY_DELETE_RECORDS = 74, + CTDB_CONTROL_ENABLE_MONITOR = 75, /* obsolete */ + CTDB_CONTROL_DISABLE_MONITOR = 76, /* obsolete */ + CTDB_CONTROL_ADD_PUBLIC_IP = 77, + CTDB_CONTROL_DEL_PUBLIC_IP = 78, + CTDB_CONTROL_RUN_EVENTSCRIPTS = 79, /* obsolete */ + CTDB_CONTROL_GET_CAPABILITIES = 80, + CTDB_CONTROL_START_PERSISTENT_UPDATE = 81, /* obsolete */ + CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE= 82, /* obsolete */ + CTDB_CONTROL_TRANS2_COMMIT = 83, /* obsolete */ + CTDB_CONTROL_TRANS2_FINISHED = 84, /* obsolete */ + CTDB_CONTROL_TRANS2_ERROR = 85, /* obsolete */ + CTDB_CONTROL_TRANS2_COMMIT_RETRY = 86, /* obsolete */ + CTDB_CONTROL_RECD_PING = 87, + CTDB_CONTROL_RELEASE_IP = 88, + CTDB_CONTROL_TAKEOVER_IP = 89, + CTDB_CONTROL_GET_PUBLIC_IPS = 90, + CTDB_CONTROL_GET_NODEMAP = 91, + /* missing */ + CTDB_CONTROL_GET_EVENT_SCRIPT_STATUS = 96, /* obsolete */ + CTDB_CONTROL_TRAVERSE_KILL = 97, + CTDB_CONTROL_RECD_RECLOCK_LATENCY = 98, + CTDB_CONTROL_GET_RECLOCK_FILE = 99, + CTDB_CONTROL_SET_RECLOCK_FILE = 100, /* obsolete */ + CTDB_CONTROL_STOP_NODE = 101, + CTDB_CONTROL_CONTINUE_NODE = 102, + CTDB_CONTROL_SET_NATGWSTATE = 103, /* obsolete */ + CTDB_CONTROL_SET_LMASTERROLE = 104, + CTDB_CONTROL_SET_RECMASTERROLE = 105, + CTDB_CONTROL_ENABLE_SCRIPT = 107, /* obsolete */ + CTDB_CONTROL_DISABLE_SCRIPT = 108, /* obsolete */ + CTDB_CONTROL_SET_BAN_STATE = 109, + CTDB_CONTROL_GET_BAN_STATE = 110, + CTDB_CONTROL_SET_DB_PRIORITY = 111, /* obsolete */ + CTDB_CONTROL_GET_DB_PRIORITY = 112, /* obsolete */ + CTDB_CONTROL_TRANSACTION_CANCEL = 113, /* obsolete */ + CTDB_CONTROL_REGISTER_NOTIFY = 114, + CTDB_CONTROL_DEREGISTER_NOTIFY = 115, + CTDB_CONTROL_TRANS2_ACTIVE = 116, /* obsolete */ + CTDB_CONTROL_GET_LOG = 117, /* obsolete */ + CTDB_CONTROL_CLEAR_LOG = 118, /* obsolete */ + CTDB_CONTROL_TRANS3_COMMIT = 119, + CTDB_CONTROL_GET_DB_SEQNUM = 120, + CTDB_CONTROL_DB_SET_HEALTHY = 121, + CTDB_CONTROL_DB_GET_HEALTH = 122, + CTDB_CONTROL_GET_PUBLIC_IP_INFO = 123, + CTDB_CONTROL_GET_IFACES = 124, + CTDB_CONTROL_SET_IFACE_LINK_STATE = 125, + CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE = 126, + CTDB_CONTROL_GET_STAT_HISTORY = 127, + CTDB_CONTROL_SCHEDULE_FOR_DELETION = 128, + CTDB_CONTROL_SET_DB_READONLY = 129, + CTDB_CONTROL_CHECK_SRVIDS = 130, /* obsolete */ + CTDB_CONTROL_TRAVERSE_START_EXT = 131, + CTDB_CONTROL_GET_DB_STATISTICS = 132, + CTDB_CONTROL_SET_DB_STICKY = 133, + CTDB_CONTROL_RELOAD_PUBLIC_IPS = 134, + CTDB_CONTROL_TRAVERSE_ALL_EXT = 135, + CTDB_CONTROL_RECEIVE_RECORDS = 136, /* obsolete */ + CTDB_CONTROL_IPREALLOCATED = 137, + CTDB_CONTROL_GET_RUNSTATE = 138, + CTDB_CONTROL_DB_DETACH = 139, + CTDB_CONTROL_GET_NODES_FILE = 140, + CTDB_CONTROL_DB_FREEZE = 141, + CTDB_CONTROL_DB_THAW = 142, + CTDB_CONTROL_DB_TRANSACTION_START = 143, + CTDB_CONTROL_DB_TRANSACTION_COMMIT = 144, + CTDB_CONTROL_DB_TRANSACTION_CANCEL = 145, + CTDB_CONTROL_DB_PULL = 146, + CTDB_CONTROL_DB_PUSH_START = 147, + CTDB_CONTROL_DB_PUSH_CONFIRM = 148, + CTDB_CONTROL_DB_OPEN_FLAGS = 149, + CTDB_CONTROL_DB_ATTACH_REPLICATED = 150, + CTDB_CONTROL_CHECK_PID_SRVID = 151, + CTDB_CONTROL_TUNNEL_REGISTER = 152, + CTDB_CONTROL_TUNNEL_DEREGISTER = 153, + CTDB_CONTROL_VACUUM_FETCH = 154, + CTDB_CONTROL_DB_VACUUM = 155, + CTDB_CONTROL_ECHO_DATA = 156, + CTDB_CONTROL_DISABLE_NODE = 157, + CTDB_CONTROL_ENABLE_NODE = 158, + CTDB_CONTROL_TCP_CLIENT_DISCONNECTED = 159, + CTDB_CONTROL_TCP_CLIENT_PASSED = 160, +}; + +#define MAX_COUNT_BUCKETS 16 +#define MAX_HOT_KEYS 10 + +struct ctdb_latency_counter { + int num; + double min; + double max; + double total; +}; + +struct ctdb_statistics { + uint32_t num_clients; + uint32_t frozen; + uint32_t recovering; + uint32_t client_packets_sent; + uint32_t client_packets_recv; + uint32_t node_packets_sent; + uint32_t node_packets_recv; + uint32_t keepalive_packets_sent; + uint32_t keepalive_packets_recv; + struct { + uint32_t req_call; + uint32_t reply_call; + uint32_t req_dmaster; + uint32_t reply_dmaster; + uint32_t reply_error; + uint32_t req_message; + uint32_t req_control; + uint32_t reply_control; + uint32_t req_tunnel; + } node; + struct { + uint32_t req_call; + uint32_t req_message; + uint32_t req_control; + uint32_t req_tunnel; + } client; + struct { + uint32_t call; + uint32_t control; + uint32_t traverse; + } timeouts; + struct { + struct ctdb_latency_counter ctdbd; + struct ctdb_latency_counter recd; + } reclock; + struct { + uint32_t num_calls; + uint32_t num_current; + uint32_t num_pending; + uint32_t num_failed; + struct ctdb_latency_counter latency; + uint32_t buckets[MAX_COUNT_BUCKETS]; + } locks; + uint32_t total_calls; + uint32_t pending_calls; + uint32_t childwrite_calls; + uint32_t pending_childwrite_calls; + uint32_t memory_used; + uint32_t __last_counter; /* hack */ + uint32_t max_hop_count; + uint32_t hop_count_bucket[MAX_COUNT_BUCKETS]; + struct ctdb_latency_counter call_latency; + struct ctdb_latency_counter childwrite_latency; + uint32_t num_recoveries; + struct timeval statistics_start_time; + struct timeval statistics_current_time; + uint32_t total_ro_delegations; + uint32_t total_ro_revokes; +}; + +#define INVALID_GENERATION 1 +/* table that contains the mapping between a hash value and lmaster + */ +struct ctdb_vnn_map { + uint32_t generation; + uint32_t size; + uint32_t *map; +}; + +struct ctdb_dbid { + uint32_t db_id; +#define CTDB_DB_FLAGS_PERSISTENT 0x01 +#define CTDB_DB_FLAGS_READONLY 0x02 +#define CTDB_DB_FLAGS_STICKY 0x04 +#define CTDB_DB_FLAGS_REPLICATED 0x08 + uint8_t flags; +}; + +struct ctdb_dbid_map { + uint32_t num; + struct ctdb_dbid *dbs; +}; + +struct ctdb_pulldb { + uint32_t db_id; +#define CTDB_LMASTER_ANY 0xffffffff + uint32_t lmaster; +}; + +struct ctdb_pulldb_ext { + uint32_t db_id; + uint32_t lmaster; + uint64_t srvid; +}; + +#define CTDB_RECOVERY_NORMAL 0 +#define CTDB_RECOVERY_ACTIVE 1 + +/* + the extended header for records in the ltdb +*/ +struct ctdb_ltdb_header { + uint64_t rsn; + uint32_t dmaster; + uint32_t reserved1; +#define CTDB_REC_FLAG_DEFAULT 0x00000000 +#define CTDB_REC_FLAG_MIGRATED_WITH_DATA 0x00010000 +#define CTDB_REC_FLAG_VACUUM_MIGRATED 0x00020000 +#define CTDB_REC_FLAG_AUTOMATIC 0x00040000 +#define CTDB_REC_RO_HAVE_DELEGATIONS 0x01000000 +#define CTDB_REC_RO_HAVE_READONLY 0x02000000 +#define CTDB_REC_RO_REVOKING_READONLY 0x04000000 +#define CTDB_REC_RO_REVOKE_COMPLETE 0x08000000 +#define CTDB_REC_RO_FLAGS (CTDB_REC_RO_HAVE_DELEGATIONS|\ + CTDB_REC_RO_HAVE_READONLY|\ + CTDB_REC_RO_REVOKING_READONLY|\ + CTDB_REC_RO_REVOKE_COMPLETE) + uint32_t flags; +}; + +struct ctdb_rec_data { + uint32_t reqid; + struct ctdb_ltdb_header *header; + TDB_DATA key, data; +}; + +struct ctdb_rec_buffer { + uint32_t db_id; + uint32_t count; + uint8_t *buf; + size_t buflen; +}; + +typedef int (*ctdb_rec_parser_func_t)(uint32_t reqid, + struct ctdb_ltdb_header *header, + TDB_DATA key, TDB_DATA data, + void *private_data); + +struct ctdb_traverse_start { + uint32_t db_id; + uint32_t reqid; + uint64_t srvid; +}; + +struct ctdb_traverse_all { + uint32_t db_id; + uint32_t reqid; + uint32_t pnn; + uint32_t client_reqid; + uint64_t srvid; +}; + +struct ctdb_traverse_start_ext { + uint32_t db_id; + uint32_t reqid; + uint64_t srvid; + bool withemptyrecords; +}; + +struct ctdb_traverse_all_ext { + uint32_t db_id; + uint32_t reqid; + uint32_t pnn; + uint32_t client_reqid; + uint64_t srvid; + bool withemptyrecords; +}; + +typedef union { + struct sockaddr sa; + struct sockaddr_in ip; + struct sockaddr_in6 ip6; +} ctdb_sock_addr; + +struct ctdb_connection { + union { + ctdb_sock_addr src; + ctdb_sock_addr server; + }; + union { + ctdb_sock_addr dst; + ctdb_sock_addr client; + }; +}; + +struct ctdb_connection_list { + uint32_t num; + struct ctdb_connection *conn; +}; + +struct ctdb_tunable { + const char *name; + uint32_t value; +}; + +struct ctdb_var_list { + int count; + const char **var; +}; + +struct ctdb_node_flag_change { + uint32_t pnn; + uint32_t new_flags; + uint32_t old_flags; +}; + +/* all tunable variables go in here */ +struct ctdb_tunable_list { + uint32_t max_redirect_count; + uint32_t seqnum_interval; /* unit is ms */ + uint32_t control_timeout; + uint32_t traverse_timeout; + uint32_t keepalive_interval; + uint32_t keepalive_limit; + uint32_t recover_timeout; + uint32_t recover_interval; + uint32_t election_timeout; + uint32_t takeover_timeout; + uint32_t monitor_interval; + uint32_t tickle_update_interval; + uint32_t script_timeout; + uint32_t monitor_timeout_count; /* allow dodgy scripts to hang this many times in a row before we mark the node unhealthy */ + uint32_t script_unhealthy_on_timeout; /* obsolete */ + uint32_t recovery_grace_period; + uint32_t recovery_ban_period; + uint32_t database_hash_size; + uint32_t database_max_dead; + uint32_t rerecovery_timeout; + uint32_t enable_bans; + uint32_t deterministic_public_ips; + uint32_t reclock_ping_period; + uint32_t no_ip_failback; + uint32_t disable_ip_failover; + uint32_t verbose_memory_names; + uint32_t recd_ping_timeout; + uint32_t recd_ping_failcount; + uint32_t log_latency_ms; + uint32_t reclock_latency_ms; + uint32_t recovery_drop_all_ips; + uint32_t verify_recovery_lock; + uint32_t vacuum_interval; + uint32_t vacuum_max_run_time; + uint32_t repack_limit; + uint32_t vacuum_limit; + uint32_t max_queue_depth_drop_msg; + uint32_t allow_unhealthy_db_read; + uint32_t stat_history_interval; + uint32_t deferred_attach_timeout; + uint32_t vacuum_fast_path_count; + uint32_t lcp2_public_ip_assignment; + uint32_t allow_client_db_attach; + uint32_t recover_pdb_by_seqnum; + uint32_t deferred_rebalance_on_node_add; + uint32_t fetch_collapse; + uint32_t hopcount_make_sticky; + uint32_t sticky_duration; + uint32_t sticky_pindown; + uint32_t no_ip_takeover; + uint32_t db_record_count_warn; + uint32_t db_record_size_warn; + uint32_t db_size_warn; + uint32_t pulldb_preallocation_size; + uint32_t no_ip_host_on_all_disabled; + uint32_t samba3_hack; + uint32_t mutex_enabled; + uint32_t lock_processes_per_db; + uint32_t rec_buffer_size_limit; + uint32_t queue_buffer_size; + uint32_t ip_alloc_algorithm; + uint32_t allow_mixed_versions; +}; + +struct ctdb_tickle_list { + ctdb_sock_addr addr; + uint32_t num; + struct ctdb_connection *conn; +}; + +struct ctdb_addr_info { + ctdb_sock_addr addr; + uint32_t mask; + const char *iface; +}; + +struct ctdb_transdb { + uint32_t db_id; + uint32_t tid; +}; + +struct ctdb_uptime { + struct timeval current_time; + struct timeval ctdbd_start_time; + struct timeval last_recovery_started; + struct timeval last_recovery_finished; +}; + +struct ctdb_public_ip { + uint32_t pnn; + ctdb_sock_addr addr; +}; + +struct ctdb_public_ip_list { + uint32_t num; + struct ctdb_public_ip *ip; +}; + +/* + * Node flags + */ +#define NODE_FLAGS_DISCONNECTED 0x00000001 /* node isn't connected */ +#define NODE_FLAGS_UNHEALTHY 0x00000002 /* monitoring says node is unhealthy */ +#define NODE_FLAGS_PERMANENTLY_DISABLED 0x00000004 /* administrator has disabled node */ +#define NODE_FLAGS_BANNED 0x00000008 /* recovery daemon has banned the node */ +#define NODE_FLAGS_DELETED 0x00000010 /* this node has been deleted */ +#define NODE_FLAGS_STOPPED 0x00000020 /* this node has been stopped */ +#define NODE_FLAGS_DISABLED (NODE_FLAGS_UNHEALTHY|NODE_FLAGS_PERMANENTLY_DISABLED) +#define NODE_FLAGS_INACTIVE (NODE_FLAGS_DELETED|NODE_FLAGS_DISCONNECTED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED) + +/* + * Node capabilities + */ +#define CTDB_CAP_RECMASTER 0x00000001 +#define CTDB_CAP_LMASTER 0x00000002 +#define CTDB_CAP_LVS 0x00000004 /* obsolete */ +#define CTDB_CAP_NATGW 0x00000008 /* obsolete */ + +/* + * Node features + */ +#define CTDB_CAP_PARALLEL_RECOVERY 0x00010000 +#define CTDB_CAP_FRAGMENTED_CONTROLS 0x00020000 + +#define CTDB_CAP_FEATURES (CTDB_CAP_PARALLEL_RECOVERY | \ + CTDB_CAP_FRAGMENTED_CONTROLS) + +#define CTDB_CAP_DEFAULT (CTDB_CAP_RECMASTER | \ + CTDB_CAP_LMASTER | \ + CTDB_CAP_FEATURES) + +struct ctdb_node_and_flags { + uint32_t pnn; + uint32_t flags; + ctdb_sock_addr addr; +}; + +struct ctdb_node_map { + uint32_t num; + struct ctdb_node_and_flags *node; +}; + +enum ctdb_event { + CTDB_EVENT_INIT, /* CTDB starting up: no args */ + CTDB_EVENT_SETUP, /* CTDB starting up after transport is readdy: no args. */ + CTDB_EVENT_STARTUP, /* CTDB starting up after initial recovery: no args. */ + CTDB_EVENT_START_RECOVERY, /* CTDB recovery starting: no args. */ + CTDB_EVENT_RECOVERED, /* CTDB recovery finished: no args. */ + CTDB_EVENT_TAKE_IP, /* IP taken: interface, IP address, netmask bits. */ + CTDB_EVENT_RELEASE_IP, /* IP released: interface, IP address, netmask bits. */ + CTDB_EVENT_STOPPED, /* Deprecated, do not use. */ + CTDB_EVENT_MONITOR, /* Please check if service is healthy: no args. */ + CTDB_EVENT_STATUS, /* Deprecated, do not use. */ + CTDB_EVENT_SHUTDOWN, /* CTDB shutting down: no args. */ + CTDB_EVENT_RELOAD, /* Deprecated, do not use */ + CTDB_EVENT_UPDATE_IP, /* IP updating: old interface, new interface, IP address, netmask bits. */ + CTDB_EVENT_IPREALLOCATED, /* when a takeover_run() completes */ + CTDB_EVENT_MAX +}; + +#define MAX_SCRIPT_NAME 31 +#define MAX_SCRIPT_OUTPUT 511 + +struct ctdb_script { + char name[MAX_SCRIPT_NAME+1]; + struct timeval start; + struct timeval finished; + int32_t status; + char output[MAX_SCRIPT_OUTPUT+1]; +}; + +struct ctdb_script_list { + uint32_t num_scripts; + struct ctdb_script *script; +}; + +struct ctdb_ban_state { + uint32_t pnn; + uint32_t time; +}; + +struct ctdb_notify_data { + uint64_t srvid; + TDB_DATA data; +}; + +#ifdef IFNAMSIZ +#define CTDB_IFACE_SIZE IFNAMSIZ +#else +#define CTDB_IFACE_SIZE 16 +#endif + +struct ctdb_iface { + char name[CTDB_IFACE_SIZE+2]; + uint16_t link_state; + uint32_t references; +}; + +struct ctdb_iface_list { + uint32_t num; + struct ctdb_iface *iface; +}; + +struct ctdb_public_ip_info { + struct ctdb_public_ip ip; + uint32_t active_idx; + struct ctdb_iface_list *ifaces; +}; + +struct ctdb_statistics_list { + int num; + struct ctdb_statistics *stats; +}; + +struct ctdb_key_data { + uint32_t db_id; + struct ctdb_ltdb_header header; + TDB_DATA key; +}; + +struct ctdb_db_statistics { + struct { + uint32_t num_calls; + uint32_t num_current; + uint32_t num_pending; + uint32_t num_failed; + struct ctdb_latency_counter latency; + uint32_t buckets[MAX_COUNT_BUCKETS]; + } locks; + struct { + struct ctdb_latency_counter latency; + } vacuum; + uint32_t db_ro_delegations; + uint32_t db_ro_revokes; + uint32_t hop_count_bucket[MAX_COUNT_BUCKETS]; + uint32_t num_hot_keys; + struct { + uint32_t count; + TDB_DATA key; + } hot_keys[MAX_HOT_KEYS]; +}; + +enum ctdb_runstate { + CTDB_RUNSTATE_UNKNOWN, + CTDB_RUNSTATE_INIT, + CTDB_RUNSTATE_SETUP, + CTDB_RUNSTATE_FIRST_RECOVERY, + CTDB_RUNSTATE_STARTUP, + CTDB_RUNSTATE_RUNNING, + CTDB_RUNSTATE_SHUTDOWN, +}; + +struct ctdb_pid_srvid { + pid_t pid; + uint64_t srvid; +}; + +struct ctdb_db_vacuum { + uint32_t db_id; + bool full_vacuum_run; + +}; + +struct ctdb_echo_data { + uint32_t timeout; + TDB_DATA buf; +}; + +struct ctdb_req_control_data { + uint32_t opcode; + union { + pid_t pid; + uint32_t db_id; + struct ctdb_vnn_map *vnnmap; + uint32_t loglevel; + struct ctdb_pulldb *pulldb; + struct ctdb_pulldb_ext *pulldb_ext; + struct ctdb_rec_buffer *recbuf; + uint32_t recmode; + const char *db_name; + struct ctdb_traverse_start *traverse_start; + struct ctdb_traverse_all *traverse_all; + struct ctdb_rec_data *rec_data; + uint32_t recmaster; + struct ctdb_connection *conn; + struct ctdb_tunable *tunable; + const char *tun_var; + struct ctdb_node_flag_change *flag_change; + ctdb_sock_addr *addr; + struct ctdb_tickle_list *tickles; + struct ctdb_client_id *cid; + struct ctdb_addr_info *addr_info; + struct ctdb_transdb *transdb; + struct ctdb_public_ip *pubip; + enum ctdb_event event; + double reclock_latency; + uint32_t role; + struct ctdb_ban_state *ban_state; + struct ctdb_notify_data *notify; + uint64_t srvid; + struct ctdb_iface *iface; + struct ctdb_key_data *key; + struct ctdb_traverse_start_ext *traverse_start_ext; + struct ctdb_traverse_all_ext *traverse_all_ext; + struct ctdb_pid_srvid *pid_srvid; + struct ctdb_db_vacuum *db_vacuum; + struct ctdb_echo_data *echo_data; + } data; +}; + +struct ctdb_reply_control_data { + uint32_t opcode; + union { + struct ctdb_statistics *stats; + const char *db_path; + struct ctdb_vnn_map *vnnmap; + uint32_t loglevel; + struct ctdb_dbid_map *dbmap; + struct ctdb_rec_buffer *recbuf; + uint32_t db_id; + const char *db_name; + const char *mem_str; + uint32_t tun_value; + struct ctdb_var_list *tun_var_list; + struct ctdb_tunable_list *tun_list; + struct ctdb_tickle_list *tickles; + struct ctdb_client_id_map *cid_map; + struct ctdb_uptime *uptime; + uint32_t caps; + struct ctdb_public_ip_list *pubip_list; + struct ctdb_node_map *nodemap; + const char *reclock_file; + struct ctdb_ban_state *ban_state; + uint64_t seqnum; + const char *reason; + struct ctdb_public_ip_info *ipinfo; + struct ctdb_iface_list *iface_list; + struct ctdb_statistics_list *stats_list; + struct ctdb_db_statistics *dbstats; + enum ctdb_runstate runstate; + uint32_t num_records; + int tdb_flags; + struct ctdb_echo_data *echo_data; + } data; +}; + +struct ctdb_req_control { + uint32_t opcode; + uint32_t pad; + uint64_t srvid; + uint32_t client_id; +#define CTDB_CTRL_FLAG_NOREPLY 1 +#define CTDB_CTRL_FLAG_OPCODE_SPECIFIC 0xFFFF0000 +/* Ugly overloading of this field... */ +#define CTDB_PUBLIC_IP_FLAGS_ONLY_AVAILABLE 0x00010000 +#define CTDB_CTRL_FLAG_ATTACH_RECOVERY 0x00020000 + uint32_t flags; + struct ctdb_req_control_data rdata; +}; + +struct ctdb_reply_control { + int32_t status; + const char *errmsg; + struct ctdb_reply_control_data rdata; +}; + +struct ctdb_election_message { + uint32_t num_connected; + struct timeval priority_time; + uint32_t pnn; + uint32_t node_flags; +}; + +struct ctdb_srvid_message { + uint32_t pnn; + uint64_t srvid; +}; + +struct ctdb_disable_message { + uint32_t pnn; + uint64_t srvid; + uint32_t timeout; +}; + +union ctdb_message_data { + /* SRVID_ELECTION */ + struct ctdb_election_message *election; + /* SRVID_RELEASE_IP, SRVID_TAKE_IP */ + const char *ipaddr; + /* SRVID_SET_NODE_FLAGS, SERVID_PUSH_NODE_FLAGS */ + struct ctdb_node_flag_change *flag_change; + /* SRVID_RECD_UPDATE_IP */ + struct ctdb_public_ip *pubip; + /* SRVID_VACUUM_FETCH */ + struct ctdb_rec_buffer *recbuf; + /* SRVID_DETACH_DATABASE */ + uint32_t db_id; + /* SRVID_MEM_DUMP, SRVID_TAKEOVER_RUN */ + struct ctdb_srvid_message *msg; + /* SRVID_BANNING, SRVID_REBALANCE_NODE, SRVID_LEADER */ + uint32_t pnn; + /* SRVID_DISABLE_TAKEOVER_RUNS, SRVID_DISABLE_RECOVERIES */ + struct ctdb_disable_message *disable; + /* SRVID_DISABLE_IP_CHECK */ + uint32_t timeout; + /* Other */ + TDB_DATA data; +}; + +struct ctdb_req_message { + uint64_t srvid; + union ctdb_message_data data; +}; + +struct ctdb_req_message_data { + uint64_t srvid; + TDB_DATA data; +}; + +struct ctdb_req_keepalive { + uint32_t version; + uint32_t uptime; +}; + +#define CTDB_TUNNEL_TEST 0xffffffff00000000 + +#define CTDB_TUNNEL_FLAG_REQUEST 0x00000001 +#define CTDB_TUNNEL_FLAG_REPLY 0x00000002 +#define CTDB_TUNNEL_FLAG_NOREPLY 0x00000010 + +struct ctdb_req_tunnel { + uint64_t tunnel_id; + uint32_t flags; + TDB_DATA data; +}; + + +/* This is equivalent to server_id */ +struct ctdb_server_id { + uint64_t pid; + uint32_t task_id; + uint32_t vnn; + uint64_t unique_id; +}; + +enum ctdb_g_lock_type { + CTDB_G_LOCK_READ = 0, + CTDB_G_LOCK_WRITE = 1, +}; + +struct ctdb_g_lock { + enum ctdb_g_lock_type type; + struct ctdb_server_id sid; +}; + +struct ctdb_g_lock_list { + unsigned int num; + struct ctdb_g_lock *lock; +}; + +/* + * Generic packet header + */ + +struct sock_packet_header { + uint32_t length; + uint32_t reqid; +}; + +#endif /* __CTDB_PROTOCOL_H__ */ diff --git a/ctdb/protocol/protocol_api.h b/ctdb/protocol/protocol_api.h new file mode 100644 index 0000000..48e4e84 --- /dev/null +++ b/ctdb/protocol/protocol_api.h @@ -0,0 +1,682 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef __CTDB_PROTOCOL_API_H__ +#define __CTDB_PROTOCOL_API_H__ + +#include <talloc.h> + +#include "protocol/protocol.h" + +/* From protocol/protocol_types.c */ + +size_t ctdb_ltdb_header_len(struct ctdb_ltdb_header *in); +void ctdb_ltdb_header_push(struct ctdb_ltdb_header *in, uint8_t *buf, + size_t *npush); +int ctdb_ltdb_header_pull(uint8_t *buf, size_t buflen, + struct ctdb_ltdb_header *out, size_t *npull); + +int ctdb_ltdb_header_extract(TDB_DATA *data, struct ctdb_ltdb_header *header); + +size_t ctdb_rec_data_len(struct ctdb_rec_data *in); +void ctdb_rec_data_push(struct ctdb_rec_data *in, uint8_t *buf, size_t *npush); +int ctdb_rec_data_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_rec_data **out, size_t *npull); + +size_t ctdb_rec_buffer_len(struct ctdb_rec_buffer *in); +void ctdb_rec_buffer_push(struct ctdb_rec_buffer *in, uint8_t *buf, + size_t *npush); +int ctdb_rec_buffer_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_rec_buffer **out, size_t *npull); + +struct ctdb_rec_buffer *ctdb_rec_buffer_init(TALLOC_CTX *mem_ctx, + uint32_t db_id); +int ctdb_rec_buffer_add(TALLOC_CTX *mem_ctx, struct ctdb_rec_buffer *recbuf, + uint32_t reqid, struct ctdb_ltdb_header *header, + TDB_DATA key, TDB_DATA data); +int ctdb_rec_buffer_traverse(struct ctdb_rec_buffer *recbuf, + ctdb_rec_parser_func_t func, + void *private_data); + +int ctdb_rec_buffer_write(struct ctdb_rec_buffer *recbuf, int fd); +int ctdb_rec_buffer_read(int fd, TALLOC_CTX *mem_ctx, + struct ctdb_rec_buffer **out); + +size_t ctdb_server_id_len(struct ctdb_server_id *in); +void ctdb_server_id_push(struct ctdb_server_id *in, uint8_t *buf, + size_t *npush); +int ctdb_server_id_pull(uint8_t *buf, size_t buflen, + struct ctdb_server_id *out, size_t *npull); + +size_t ctdb_g_lock_len(struct ctdb_g_lock *in); +void ctdb_g_lock_push(struct ctdb_g_lock *in, uint8_t *buf, size_t *npush); +int ctdb_g_lock_pull(uint8_t *buf, size_t buflen, struct ctdb_g_lock *out, + size_t *npull); + +size_t ctdb_g_lock_list_len(struct ctdb_g_lock_list *in); +void ctdb_g_lock_list_push(struct ctdb_g_lock_list *in, uint8_t *buf, + size_t *npush); +int ctdb_g_lock_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_g_lock_list **out, size_t *npull); + +/* From protocol/protocol_header.c */ + +void ctdb_req_header_fill(struct ctdb_req_header *h, uint32_t generation, + uint32_t operation, uint32_t destnode, + uint32_t srcnode, uint32_t reqid); + +size_t ctdb_req_header_len(struct ctdb_req_header *in); +void ctdb_req_header_push(struct ctdb_req_header *in, uint8_t *buf, + size_t *npush); +int ctdb_req_header_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *out, size_t *npull); + +int ctdb_req_header_verify(struct ctdb_req_header *h, uint32_t operation); + +/* From protocol/protocol_call.c */ + +size_t ctdb_req_call_len(struct ctdb_req_header *h, + struct ctdb_req_call *c); + +int ctdb_req_call_push(struct ctdb_req_header *h, + struct ctdb_req_call *c, + uint8_t *buf, size_t *buflen); + +int ctdb_req_call_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_call *c); + +size_t ctdb_reply_call_len(struct ctdb_req_header *h, + struct ctdb_reply_call *c); + +int ctdb_reply_call_push(struct ctdb_req_header *h, + struct ctdb_reply_call *c, + uint8_t *buf, size_t *buflen); + +int ctdb_reply_call_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_reply_call *c); + +size_t ctdb_reply_error_len(struct ctdb_req_header *h, + struct ctdb_reply_error *c); + +int ctdb_reply_error_push(struct ctdb_req_header *h, + struct ctdb_reply_error *c, + uint8_t *buf, size_t *buflen); + +int ctdb_reply_error_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_reply_error *c); + +size_t ctdb_req_dmaster_len(struct ctdb_req_header *h, + struct ctdb_req_dmaster *c); + +int ctdb_req_dmaster_push(struct ctdb_req_header *h, + struct ctdb_req_dmaster *c, + uint8_t *buf, size_t *buflen); + +int ctdb_req_dmaster_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_dmaster *c); + +size_t ctdb_reply_dmaster_len(struct ctdb_req_header *h, + struct ctdb_reply_dmaster *c); + +int ctdb_reply_dmaster_push(struct ctdb_req_header *h, + struct ctdb_reply_dmaster *c, + uint8_t *buf, size_t *buflen); + +int ctdb_reply_dmaster_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_reply_dmaster *c); + +/* From protocol/protocol_control.c */ + +size_t ctdb_req_control_len(struct ctdb_req_header *h, + struct ctdb_req_control *c); + +int ctdb_req_control_push(struct ctdb_req_header *h, + struct ctdb_req_control *c, + uint8_t *buf, size_t *buflen); + +int ctdb_req_control_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_control *c); + +size_t ctdb_reply_control_len(struct ctdb_req_header *h, + struct ctdb_reply_control *c); + +int ctdb_reply_control_push(struct ctdb_req_header *h, + struct ctdb_reply_control *c, + uint8_t *buf, size_t *buflen); + +int ctdb_reply_control_pull(uint8_t *buf, size_t buflen, uint32_t opcode, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_reply_control *c); + +/* From protocol/protocol_client.c */ + +void ctdb_req_control_process_exists(struct ctdb_req_control *request, + pid_t pid); +int ctdb_reply_control_process_exists(struct ctdb_reply_control *reply, + int *status); + +void ctdb_req_control_statistics(struct ctdb_req_control *request); + +int ctdb_reply_control_statistics(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_statistics **stats); + +void ctdb_req_control_ping(struct ctdb_req_control *request); +int ctdb_reply_control_ping(struct ctdb_reply_control *reply, + int *num_clients); + +void ctdb_req_control_getdbpath(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_getdbpath(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, const char **db_path); + +void ctdb_req_control_getvnnmap(struct ctdb_req_control *request); +int ctdb_reply_control_getvnnmap(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_vnn_map **vnnmap); + +void ctdb_req_control_setvnnmap(struct ctdb_req_control *request, + struct ctdb_vnn_map *vnnmap); +int ctdb_reply_control_setvnnmap(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_debug(struct ctdb_req_control *request); +int ctdb_reply_control_get_debug(struct ctdb_reply_control *reply, + int *debug_level); + +void ctdb_req_control_set_debug(struct ctdb_req_control *request, + int debug_level); +int ctdb_reply_control_set_debug(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_dbmap(struct ctdb_req_control *request); +int ctdb_reply_control_get_dbmap(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_dbid_map **dbmap); + +void ctdb_req_control_get_recmode(struct ctdb_req_control *request); +int ctdb_reply_control_get_recmode(struct ctdb_reply_control *reply, + int *recmode); + +void ctdb_req_control_set_recmode(struct ctdb_req_control *request, + int recmode); +int ctdb_reply_control_set_recmode(struct ctdb_reply_control *reply); + +void ctdb_req_control_statistics_reset(struct ctdb_req_control *request); +int ctdb_reply_control_statistics_reset(struct ctdb_reply_control *reply); + +void ctdb_req_control_db_attach(struct ctdb_req_control *request, + const char *db_name); +int ctdb_reply_control_db_attach(struct ctdb_reply_control *reply, + uint32_t *db_id); + +void ctdb_req_control_traverse_start(struct ctdb_req_control *request, + struct ctdb_traverse_start *traverse); +int ctdb_reply_control_traverse_start(struct ctdb_reply_control *reply); + +void ctdb_req_control_register_srvid(struct ctdb_req_control *request, + uint64_t srvid); +int ctdb_reply_control_register_srvid(struct ctdb_reply_control *reply); + +void ctdb_req_control_deregister_srvid(struct ctdb_req_control *request, + uint64_t srvid); +int ctdb_reply_control_deregister_srvid(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_dbname(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_get_dbname(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, const char **db_name); + +void ctdb_req_control_enable_seqnum(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_enable_seqnum(struct ctdb_reply_control *reply); + +void ctdb_req_control_update_seqnum(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_update_seqnum(struct ctdb_reply_control *reply); + +void ctdb_req_control_dump_memory(struct ctdb_req_control *request); +int ctdb_reply_control_dump_memory(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, const char **mem_str); + +void ctdb_req_control_get_pid(struct ctdb_req_control *request); +int ctdb_reply_control_get_pid(struct ctdb_reply_control *reply, + pid_t *pid); + +void ctdb_req_control_freeze(struct ctdb_req_control *request, + uint32_t priority); +int ctdb_reply_control_freeze(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_pnn(struct ctdb_req_control *request); +int ctdb_reply_control_get_pnn(struct ctdb_reply_control *reply, + uint32_t *pnn); + +void ctdb_req_control_shutdown(struct ctdb_req_control *request); +int ctdb_reply_control_shutdown(struct ctdb_reply_control *reply); + +void ctdb_req_control_tcp_client(struct ctdb_req_control *request, + struct ctdb_connection *conn); +int ctdb_reply_control_tcp_client(struct ctdb_reply_control *reply); + +void ctdb_req_control_tcp_add(struct ctdb_req_control *request, + struct ctdb_connection *conn); +int ctdb_reply_control_tcp_add(struct ctdb_reply_control *reply); + +void ctdb_req_control_tcp_remove(struct ctdb_req_control *request, + struct ctdb_connection *conn); +int ctdb_reply_control_tcp_remove(struct ctdb_reply_control *reply); + +void ctdb_req_control_startup(struct ctdb_req_control *request); +int ctdb_reply_control_startup(struct ctdb_reply_control *reply); + +void ctdb_req_control_set_tunable(struct ctdb_req_control *request, + struct ctdb_tunable *tunable); +int ctdb_reply_control_set_tunable(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_tunable(struct ctdb_req_control *request, + const char *name); +int ctdb_reply_control_get_tunable(struct ctdb_reply_control *reply, + uint32_t *value); + +void ctdb_req_control_list_tunables(struct ctdb_req_control *request); +int ctdb_reply_control_list_tunables(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_var_list **tun_var_list); + +void ctdb_req_control_modify_flags(struct ctdb_req_control *request, + struct ctdb_node_flag_change *flag_change); +int ctdb_reply_control_modify_flags(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_all_tunables(struct ctdb_req_control *request); +int ctdb_reply_control_get_all_tunables(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_tunable_list **tun_list); + +void ctdb_req_control_get_tcp_tickle_list(struct ctdb_req_control *request, + ctdb_sock_addr *addr); +int ctdb_reply_control_get_tcp_tickle_list(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_tickle_list **tickles); + +void ctdb_req_control_set_tcp_tickle_list(struct ctdb_req_control *request, + struct ctdb_tickle_list *tickles); +int ctdb_reply_control_set_tcp_tickle_list(struct ctdb_reply_control *reply); + +void ctdb_req_control_db_attach_persistent(struct ctdb_req_control *request, + const char *name); +int ctdb_reply_control_db_attach_persistent(struct ctdb_reply_control *reply, + uint32_t *db_id); + +void ctdb_req_control_update_record(struct ctdb_req_control *request, + struct ctdb_rec_buffer *recbuf); +int ctdb_reply_control_update_record(struct ctdb_reply_control *reply); + +void ctdb_req_control_send_gratuitous_arp(struct ctdb_req_control *request, + struct ctdb_addr_info *addr_info); +int ctdb_reply_control_send_gratuitous_arp(struct ctdb_reply_control *reply); + +void ctdb_req_control_wipe_database(struct ctdb_req_control *request, + struct ctdb_transdb *transdb); +int ctdb_reply_control_wipe_database(struct ctdb_reply_control *reply); + +void ctdb_req_control_uptime(struct ctdb_req_control *request); +int ctdb_reply_control_uptime(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_uptime **uptime); + +void ctdb_req_control_start_recovery(struct ctdb_req_control *request); +int ctdb_reply_control_start_recovery(struct ctdb_reply_control *reply); + +void ctdb_req_control_end_recovery(struct ctdb_req_control *request); +int ctdb_reply_control_end_recovery(struct ctdb_reply_control *reply); + +void ctdb_req_control_reload_nodes_file(struct ctdb_req_control *request); +int ctdb_reply_control_reload_nodes_file(struct ctdb_reply_control *reply); + +void ctdb_req_control_try_delete_records(struct ctdb_req_control *request, + struct ctdb_rec_buffer *recbuf); +int ctdb_reply_control_try_delete_records(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_rec_buffer **recbuf); + +void ctdb_req_control_add_public_ip(struct ctdb_req_control *request, + struct ctdb_addr_info *addr_info); +int ctdb_reply_control_add_public_ip(struct ctdb_reply_control *reply); + +void ctdb_req_control_del_public_ip(struct ctdb_req_control *request, + struct ctdb_addr_info *addr_info); +int ctdb_reply_control_del_public_ip(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_capabilities(struct ctdb_req_control *request); +int ctdb_reply_control_get_capabilities(struct ctdb_reply_control *reply, + uint32_t *caps); + +void ctdb_req_control_recd_ping(struct ctdb_req_control *request); +int ctdb_reply_control_recd_ping(struct ctdb_reply_control *reply); + +void ctdb_req_control_release_ip(struct ctdb_req_control *request, + struct ctdb_public_ip *pubip); +int ctdb_reply_control_release_ip(struct ctdb_reply_control *reply); + +void ctdb_req_control_takeover_ip(struct ctdb_req_control *request, + struct ctdb_public_ip *pubip); +int ctdb_reply_control_takeover_ip(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_public_ips(struct ctdb_req_control *request, + bool available_only); +int ctdb_reply_control_get_public_ips(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_public_ip_list **pubip_list); + +void ctdb_req_control_get_nodemap(struct ctdb_req_control *request); +int ctdb_reply_control_get_nodemap(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_node_map **nodemap); + +void ctdb_req_control_traverse_kill(struct ctdb_req_control *request, + struct ctdb_traverse_start *traverse); +int ctdb_reply_control_traverse_kill(struct ctdb_reply_control *reply); + +void ctdb_req_control_recd_reclock_latency(struct ctdb_req_control *request, + double reclock_latency); +int ctdb_reply_control_recd_reclock_latency(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_reclock_file(struct ctdb_req_control *request); +int ctdb_reply_control_get_reclock_file(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + const char **reclock_file); + +void ctdb_req_control_stop_node(struct ctdb_req_control *request); +int ctdb_reply_control_stop_node(struct ctdb_reply_control *reply); + +void ctdb_req_control_continue_node(struct ctdb_req_control *request); +int ctdb_reply_control_continue_node(struct ctdb_reply_control *reply); + +void ctdb_req_control_set_lmasterrole(struct ctdb_req_control *request, + uint32_t lmaster_role); +int ctdb_reply_control_set_lmasterrole(struct ctdb_reply_control *reply); + +void ctdb_req_control_set_recmasterrole(struct ctdb_req_control *request, + uint32_t recmaster_role); +int ctdb_reply_control_set_recmasterrole(struct ctdb_reply_control *reply); + +void ctdb_req_control_set_ban_state(struct ctdb_req_control *request, + struct ctdb_ban_state *ban_state); +int ctdb_reply_control_set_ban_state(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_ban_state(struct ctdb_req_control *request); +int ctdb_reply_control_get_ban_state(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_ban_state **ban_state); + +void ctdb_req_control_register_notify(struct ctdb_req_control *request, + struct ctdb_notify_data *notify); +int ctdb_reply_control_register_notify(struct ctdb_reply_control *reply); + +void ctdb_req_control_deregister_notify(struct ctdb_req_control *request, + uint64_t srvid); +int ctdb_reply_control_deregister_notify(struct ctdb_reply_control *reply); + +void ctdb_req_control_trans3_commit(struct ctdb_req_control *request, + struct ctdb_rec_buffer *recbuf); +int ctdb_reply_control_trans3_commit(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_db_seqnum(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_get_db_seqnum(struct ctdb_reply_control *reply, + uint64_t *seqnum); + +void ctdb_req_control_db_set_healthy(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_db_set_healthy(struct ctdb_reply_control *reply); + +void ctdb_req_control_db_get_health(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_db_get_health(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + const char **reason); + +void ctdb_req_control_get_public_ip_info(struct ctdb_req_control *request, + ctdb_sock_addr *addr); +int ctdb_reply_control_get_public_ip_info(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_public_ip_info **ipinfo); + +void ctdb_req_control_get_ifaces(struct ctdb_req_control *request); +int ctdb_reply_control_get_ifaces(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_iface_list **iface_list); + +void ctdb_req_control_set_iface_link_state(struct ctdb_req_control *request, + struct ctdb_iface *iface); +int ctdb_reply_control_set_iface_link_state(struct ctdb_reply_control *reply); + +void ctdb_req_control_tcp_add_delayed_update(struct ctdb_req_control *request, + struct ctdb_connection *conn); +int ctdb_reply_control_tcp_add_delayed_update(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_stat_history(struct ctdb_req_control *request); +int ctdb_reply_control_get_stat_history(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_statistics_list **stats_list); + +void ctdb_req_control_schedule_for_deletion(struct ctdb_req_control *request, + struct ctdb_key_data *key); +int ctdb_reply_control_schedule_for_deletion(struct ctdb_reply_control *reply); + +void ctdb_req_control_set_db_readonly(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_set_db_readonly(struct ctdb_reply_control *reply); + +void ctdb_req_control_traverse_start_ext(struct ctdb_req_control *request, + struct ctdb_traverse_start_ext *traverse); +int ctdb_reply_control_traverse_start_ext(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_db_statistics(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_get_db_statistics(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_db_statistics **dbstats); + +void ctdb_req_control_set_db_sticky(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_set_db_sticky(struct ctdb_reply_control *reply); + +void ctdb_req_control_reload_public_ips(struct ctdb_req_control *request); +int ctdb_reply_control_reload_public_ips(struct ctdb_reply_control *reply); + +void ctdb_req_control_ipreallocated(struct ctdb_req_control *request); +int ctdb_reply_control_ipreallocated(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_runstate(struct ctdb_req_control *request); +int ctdb_reply_control_get_runstate(struct ctdb_reply_control *reply, + enum ctdb_runstate *runstate); + +void ctdb_req_control_db_detach(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_db_detach(struct ctdb_reply_control *reply); + +void ctdb_req_control_get_nodes_file(struct ctdb_req_control *request); +int ctdb_reply_control_get_nodes_file(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_node_map **nodemap); + +void ctdb_req_control_db_freeze(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_db_freeze(struct ctdb_reply_control *reply); + +void ctdb_req_control_db_thaw(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_db_thaw(struct ctdb_reply_control *reply); + +void ctdb_req_control_db_transaction_start(struct ctdb_req_control *request, + struct ctdb_transdb *transdb); +int ctdb_reply_control_db_transaction_start(struct ctdb_reply_control *reply); + +void ctdb_req_control_db_transaction_commit(struct ctdb_req_control *request, + struct ctdb_transdb *transdb); +int ctdb_reply_control_db_transaction_commit(struct ctdb_reply_control *reply); + +void ctdb_req_control_db_transaction_cancel(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_db_transaction_cancel(struct ctdb_reply_control *reply); + +void ctdb_req_control_db_pull(struct ctdb_req_control *request, + struct ctdb_pulldb_ext *pulldb_ext); +int ctdb_reply_control_db_pull(struct ctdb_reply_control *reply, + uint32_t *num_records); + +void ctdb_req_control_db_push_start(struct ctdb_req_control *request, + struct ctdb_pulldb_ext *pulldb_ext); +int ctdb_reply_control_db_push_start(struct ctdb_reply_control *reply); + +void ctdb_req_control_db_push_confirm(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_db_push_confirm(struct ctdb_reply_control *reply, + uint32_t *num_records); + +void ctdb_req_control_db_open_flags(struct ctdb_req_control *request, + uint32_t db_id); +int ctdb_reply_control_db_open_flags(struct ctdb_reply_control *reply, + int *tdb_flags); + +void ctdb_req_control_db_attach_replicated(struct ctdb_req_control *request, + const char *db_name); +int ctdb_reply_control_db_attach_replicated(struct ctdb_reply_control *reply, + uint32_t *db_id); + +void ctdb_req_control_check_pid_srvid(struct ctdb_req_control *request, + struct ctdb_pid_srvid *pid_srvid); +int ctdb_reply_control_check_pid_srvid(struct ctdb_reply_control *reply, + int *status); + +void ctdb_req_control_tunnel_register(struct ctdb_req_control *request, + uint64_t tunnel_id); +int ctdb_reply_control_tunnel_register(struct ctdb_reply_control *reply); + +void ctdb_req_control_tunnel_deregister(struct ctdb_req_control *request, + uint64_t tunnel_id); +int ctdb_reply_control_tunnel_deregister(struct ctdb_reply_control *reply); + +void ctdb_req_control_vacuum_fetch(struct ctdb_req_control *request, + struct ctdb_rec_buffer *recbuf); +int ctdb_reply_control_vacuum_fetch(struct ctdb_reply_control *reply); + +void ctdb_req_control_db_vacuum(struct ctdb_req_control *request, + struct ctdb_db_vacuum *db_vacuum); +int ctdb_reply_control_db_vacuum(struct ctdb_reply_control *reply); + +void ctdb_req_control_echo_data(struct ctdb_req_control *request, + struct ctdb_echo_data *echo_data); +int ctdb_reply_control_echo_data(struct ctdb_reply_control *reply); + +void ctdb_req_control_disable_node(struct ctdb_req_control *request); +int ctdb_reply_control_disable_node(struct ctdb_reply_control *reply); + +void ctdb_req_control_enable_node(struct ctdb_req_control *request); +int ctdb_reply_control_enable_node(struct ctdb_reply_control *reply); + +/* From protocol/protocol_debug.c */ + +void ctdb_packet_print(uint8_t *buf, size_t buflen, FILE *fp); + +/* From protocol/protocol_message.c */ + +size_t ctdb_req_message_len(struct ctdb_req_header *h, + struct ctdb_req_message *c); + +int ctdb_req_message_push(struct ctdb_req_header *h, + struct ctdb_req_message *c, + uint8_t *buf, size_t *buflen); + +int ctdb_req_message_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_message *c); + +size_t ctdb_req_message_data_len(struct ctdb_req_header *h, + struct ctdb_req_message_data *c); + +int ctdb_req_message_data_push(struct ctdb_req_header *h, + struct ctdb_req_message_data *c, + uint8_t *buf, size_t *buflen); + +int ctdb_req_message_data_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_message_data *c); + +/* From protocol/protocol_keepalive.c */ + +size_t ctdb_req_keepalive_len(struct ctdb_req_header *h, + struct ctdb_req_keepalive *c); + +int ctdb_req_keepalive_push(struct ctdb_req_header *h, + struct ctdb_req_keepalive *c, + uint8_t *buf, size_t *buflen); + +int ctdb_req_keepalive_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_keepalive *c); + +/* From protocol/protocol_tunnel.c */ + +size_t ctdb_req_tunnel_len(struct ctdb_req_header *h, + struct ctdb_req_tunnel *c); + +int ctdb_req_tunnel_push(struct ctdb_req_header *h, + struct ctdb_req_tunnel *c, + uint8_t *buf, size_t *buflen); + +int ctdb_req_tunnel_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_tunnel *c); + +/* From protocol/protocol_packet.c */ + +int ctdb_allocate_pkt(TALLOC_CTX *mem_ctx, size_t datalen, + uint8_t **buf, size_t *buflen); + +/* From protocol/protocol_sock.c */ + +size_t sock_packet_header_len(struct sock_packet_header *in); +void sock_packet_header_push(struct sock_packet_header *in, uint8_t *buf, + size_t *npush); +int sock_packet_header_pull(uint8_t *buf, size_t buflen, + struct sock_packet_header *out, size_t *npull); + +void sock_packet_header_set_reqid(struct sock_packet_header *h, + uint32_t reqid); +void sock_packet_header_set_length(struct sock_packet_header *h, + uint32_t length); + +#endif /* __CTDB_PROTOCOL_API_H__ */ diff --git a/ctdb/protocol/protocol_basic.c b/ctdb/protocol/protocol_basic.c new file mode 100644 index 0000000..42f2077 --- /dev/null +++ b/ctdb/protocol/protocol_basic.c @@ -0,0 +1,400 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015-2017 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> + +#include "protocol_basic.h" + +/* + * Basic data types + */ + +size_t ctdb_uint8_len(uint8_t *in) +{ + return sizeof(uint8_t); +} + +void ctdb_uint8_push(uint8_t *in, uint8_t *buf, size_t *npush) +{ + *buf = *in; + *npush = sizeof(uint8_t); +} + +int ctdb_uint8_pull(uint8_t *buf, size_t buflen, uint8_t *out, size_t *npull) +{ + if (buflen < sizeof(uint8_t)) { + return EMSGSIZE; + } + + *out = *buf; + *npull = sizeof(uint8_t); + return 0; +} + +size_t ctdb_uint16_len(uint16_t *in) +{ + return sizeof(uint16_t); +} + +void ctdb_uint16_push(uint16_t *in, uint8_t *buf, size_t *npush) +{ + memcpy(buf, in, sizeof(uint16_t)); + *npush = sizeof(uint16_t); +} + +int ctdb_uint16_pull(uint8_t *buf, size_t buflen, uint16_t *out, size_t *npull) +{ + if (buflen < sizeof(uint16_t)) { + return EMSGSIZE; + } + + memcpy(out, buf, sizeof(uint16_t)); + *npull = sizeof(uint16_t); + return 0; +} + +size_t ctdb_int32_len(int32_t *in) +{ + return sizeof(int32_t); +} + +void ctdb_int32_push(int32_t *in, uint8_t *buf, size_t *npush) +{ + memcpy(buf, in, sizeof(int32_t)); + *npush = sizeof(int32_t); +} + +int ctdb_int32_pull(uint8_t *buf, size_t buflen, int32_t *out, size_t *npull) +{ + if (buflen < sizeof(int32_t)) { + return EMSGSIZE; + } + + memcpy(out, buf, sizeof(int32_t)); + *npull = sizeof(int32_t); + return 0; +} + +size_t ctdb_uint32_len(uint32_t *in) +{ + return sizeof(uint32_t); +} + +void ctdb_uint32_push(uint32_t *in, uint8_t *buf, size_t *npush) +{ + memcpy(buf, in, sizeof(uint32_t)); + *npush = sizeof(uint32_t); +} + +int ctdb_uint32_pull(uint8_t *buf, size_t buflen, uint32_t *out, size_t *npull) +{ + if (buflen < sizeof(uint32_t)) { + return EMSGSIZE; + } + + memcpy(out, buf, sizeof(uint32_t)); + *npull = sizeof(uint32_t); + return 0; +} + +size_t ctdb_uint64_len(uint64_t *in) +{ + return sizeof(uint64_t); +} + +void ctdb_uint64_push(uint64_t *in, uint8_t *buf, size_t *npush) +{ + memcpy(buf, in, sizeof(uint64_t)); + *npush = sizeof(uint64_t); +} + +int ctdb_uint64_pull(uint8_t *buf, size_t buflen, uint64_t *out, size_t *npull) +{ + if (buflen < sizeof(uint64_t)) { + return EMSGSIZE; + } + + memcpy(out, buf, sizeof(uint64_t)); + *npull = sizeof(uint64_t); + return 0; +} + +size_t ctdb_double_len(double *in) +{ + return sizeof(double); +} + +void ctdb_double_push(double *in, uint8_t *buf, size_t *npush) +{ + memcpy(buf, in, sizeof(double)); + *npush = sizeof(double); +} + +int ctdb_double_pull(uint8_t *buf, size_t buflen, double *out, size_t *npull) +{ + if (buflen < sizeof(double)) { + return EMSGSIZE; + } + + memcpy(out, buf, sizeof(double)); + *npull = sizeof(double); + return 0; +} + +size_t ctdb_bool_len(bool *in) +{ + uint8_t u8 = 0; + + return ctdb_uint8_len(&u8); +} + +void ctdb_bool_push(bool *in, uint8_t *buf, size_t *npush) +{ + size_t np; + uint8_t u8 = *in; + + ctdb_uint8_push(&u8, buf, &np); + *npush = np; +} + +int ctdb_bool_pull(uint8_t *buf, size_t buflen, bool *out, size_t *npull) +{ + size_t np; + uint8_t u8; + int ret; + + ret = ctdb_uint8_pull(buf, buflen, &u8, &np); + if (ret != 0) { + return ret; + } + + if (u8 == 0) { + *out = false; + } else if (u8 == 1) { + *out = true; + } else { + return EINVAL; + } + + *npull = np; + return 0; +} + +size_t ctdb_chararray_len(char *in, size_t len) +{ + return len; +} + +void ctdb_chararray_push(char *in, size_t len, uint8_t *buf, size_t *npush) +{ + memcpy(buf, in, len); + *npush = len; +} + +int ctdb_chararray_pull(uint8_t *buf, size_t buflen, char *out, size_t len, + size_t *npull) +{ + if (buflen < len) { + return EMSGSIZE; + } + + memcpy(out, buf, len); + out[len-1] = '\0'; + *npull = len; + return 0; +} + +size_t ctdb_string_len(const char **in) +{ + if (*in == NULL) { + return 0; + } + + return strlen(*in) + 1; +} + +void ctdb_string_push(const char **in, uint8_t *buf, size_t *npush) +{ + size_t len; + + len = ctdb_string_len(in); + if (len > 0) { + memcpy(buf, *in, len); + } + + *npush = len; +} + +int ctdb_string_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + const char **out, size_t *npull) +{ + const char *str; + + if (buflen > UINT32_MAX) { + return EMSGSIZE; + } + + if (buflen == 0) { + *out = NULL; + *npull = 0; + return 0; + } + + str = talloc_strndup(mem_ctx, (char *)buf, buflen); + if (str == NULL) { + return ENOMEM; + } + + *out = str; + *npull = ctdb_string_len(&str); + return 0; +} + +size_t ctdb_stringn_len(const char **in) +{ + uint32_t u32 = ctdb_string_len(in); + + return ctdb_uint32_len(&u32) + u32; +} + +void ctdb_stringn_push(const char **in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + uint32_t u32 = ctdb_string_len(in); + + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + ctdb_string_push(in, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_stringn_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + const char **out, size_t *npull) +{ + size_t offset = 0, np; + uint32_t u32; + int ret; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (buflen-offset < u32) { + return EMSGSIZE; + } + + ret = ctdb_string_pull(buf+offset, u32, mem_ctx, out, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +/* + * System defined data types + */ + +size_t ctdb_pid_len(pid_t *in) +{ + return sizeof(pid_t); +} + +void ctdb_pid_push(pid_t *in, uint8_t *buf, size_t *npush) +{ + memcpy(buf, in, sizeof(pid_t)); + *npush = sizeof(pid_t); +} + +int ctdb_pid_pull(uint8_t *buf, size_t buflen, pid_t *out, size_t *npull) +{ + if (buflen < sizeof(pid_t)) { + return EMSGSIZE; + } + + memcpy(out, buf, sizeof(pid_t)); + *npull = sizeof(pid_t); + return 0; +} + +size_t ctdb_timeval_len(struct timeval *in) +{ + return sizeof(struct timeval); +} + +void ctdb_timeval_push(struct timeval *in, uint8_t *buf, size_t *npush) +{ + memcpy(buf, in, sizeof(struct timeval)); + *npush = sizeof(struct timeval); +} + +int ctdb_timeval_pull(uint8_t *buf, size_t buflen, struct timeval *out, + size_t *npull) +{ + if (buflen < sizeof(struct timeval)) { + return EMSGSIZE; + } + + memcpy(out, buf, sizeof(struct timeval)); + *npull = sizeof(struct timeval); + return 0; +} + +/* + * Dummy type to tackle structure padding + */ + +size_t ctdb_padding_len(int count) +{ + return count % SIZEOF_VOID_P; +} + +void ctdb_padding_push(int count, uint8_t *buf, size_t *npush) +{ + uint8_t padding[count]; + size_t aligned_count = count % SIZEOF_VOID_P; + + if (aligned_count > 0) { + memset(padding, 0, aligned_count); + memcpy(buf, padding, aligned_count); + } + *npush = aligned_count; +} + +int ctdb_padding_pull(uint8_t *buf, size_t buflen, int count, size_t *npull) +{ + size_t aligned_count = count % SIZEOF_VOID_P; + + if (buflen < aligned_count) { + return EMSGSIZE; + } + + *npull = aligned_count; + return 0; +} diff --git a/ctdb/protocol/protocol_basic.h b/ctdb/protocol/protocol_basic.h new file mode 100644 index 0000000..4086e81 --- /dev/null +++ b/ctdb/protocol/protocol_basic.h @@ -0,0 +1,86 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2018 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef __PROTOCOL_BASIC_H__ +#define __PROTOCOL_BASIC_H__ + +/* + * From protocol/protocol_basic.c + */ + +size_t ctdb_uint8_len(uint8_t *in); +void ctdb_uint8_push(uint8_t *in, uint8_t *buf, size_t *npush); +int ctdb_uint8_pull(uint8_t *buf, size_t buflen, uint8_t *out, size_t *npull); + +size_t ctdb_uint16_len(uint16_t *in); +void ctdb_uint16_push(uint16_t *in, uint8_t *buf, size_t *npush); +int ctdb_uint16_pull(uint8_t *buf, size_t buflen, uint16_t *out, + size_t *npull); + +size_t ctdb_int32_len(int32_t *in); +void ctdb_int32_push(int32_t *in, uint8_t *buf, size_t *npush); +int ctdb_int32_pull(uint8_t *buf, size_t buflen, int32_t *out, size_t *npull); + +size_t ctdb_uint32_len(uint32_t *in); +void ctdb_uint32_push(uint32_t *in, uint8_t *buf, size_t *npush); +int ctdb_uint32_pull(uint8_t *buf, size_t buflen, uint32_t *out, + size_t *npull); + +size_t ctdb_uint64_len(uint64_t *in); +void ctdb_uint64_push(uint64_t *in, uint8_t *buf, size_t *npush); +int ctdb_uint64_pull(uint8_t *buf, size_t buflen, uint64_t *out, + size_t *npull); + +size_t ctdb_double_len(double *in); +void ctdb_double_push(double *in, uint8_t *buf, size_t *npush); +int ctdb_double_pull(uint8_t *buf, size_t buflen, double *out, size_t *npull); + +size_t ctdb_bool_len(bool *in); +void ctdb_bool_push(bool *in, uint8_t *buf, size_t *npush); +int ctdb_bool_pull(uint8_t *buf, size_t buflen, bool *out, size_t *npull); + +size_t ctdb_chararray_len(char *in, size_t len); +void ctdb_chararray_push(char *in, size_t len, uint8_t *buf, size_t *npush); +int ctdb_chararray_pull(uint8_t *buf, size_t buflen, char *out, size_t len, + size_t *npull); + +size_t ctdb_string_len(const char **in); +void ctdb_string_push(const char **in, uint8_t *buf, size_t *npush); +int ctdb_string_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + const char **out, size_t *npull); + +size_t ctdb_stringn_len(const char **in); +void ctdb_stringn_push(const char **in, uint8_t *buf, size_t *npush); +int ctdb_stringn_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + const char **out, size_t *npull); + +size_t ctdb_pid_len(pid_t *in); +void ctdb_pid_push(pid_t *in, uint8_t *buf, size_t *npush); +int ctdb_pid_pull(uint8_t *buf, size_t buflen, pid_t *out, size_t *npull); + +size_t ctdb_timeval_len(struct timeval *in); +void ctdb_timeval_push(struct timeval *in, uint8_t *buf, size_t *npush); +int ctdb_timeval_pull(uint8_t *buf, size_t buflen, struct timeval *out, + size_t *npull); + +size_t ctdb_padding_len(int count); +void ctdb_padding_push(int count, uint8_t *buf, size_t *npush); +int ctdb_padding_pull(uint8_t *buf, size_t buflen, int count, size_t *npull); + +#endif /* __PROTOCOL_BASIC_H__ */ diff --git a/ctdb/protocol/protocol_call.c b/ctdb/protocol/protocol_call.c new file mode 100644 index 0000000..393b118 --- /dev/null +++ b/ctdb/protocol/protocol_call.c @@ -0,0 +1,581 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> +#include <tdb.h> + +#include "protocol.h" +#include "protocol_api.h" +#include "protocol_private.h" + +size_t ctdb_req_call_len(struct ctdb_req_header *h, struct ctdb_req_call *c) +{ + return ctdb_req_header_len(h) + + ctdb_uint32_len(&c->flags) + + ctdb_uint32_len(&c->db_id) + + ctdb_uint32_len(&c->callid) + + ctdb_uint32_len(&c->hopcount) + + ctdb_tdb_datan_len(&c->key) + + ctdb_tdb_datan_len(&c->calldata); +} + +int ctdb_req_call_push(struct ctdb_req_header *h, struct ctdb_req_call *c, + uint8_t *buf, size_t *buflen) +{ + size_t offset = 0; + size_t length, np; + uint32_t u32; + + if (c->key.dsize == 0) { + return EINVAL; + } + + length = ctdb_req_call_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->flags, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->db_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->callid, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->hopcount, buf+offset, &np); + offset += np; + + u32 = ctdb_tdb_data_len(&c->key); + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + u32 = ctdb_tdb_data_len(&c->calldata); + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + ctdb_tdb_data_push(&c->key, buf+offset, &np); + offset += np; + + ctdb_tdb_data_push(&c->calldata, buf+offset, &np); + offset += np; + + return 0; +} + +int ctdb_req_call_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_call *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + uint32_t u32; + int ret; + + ret = ctdb_req_header_pull(buf+offset, buflen-offset, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->flags, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->db_id, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->callid, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->hopcount, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + c->key.dsize = u32; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + c->calldata.dsize = u32; + + if (buflen-offset < c->key.dsize) { + return EMSGSIZE; + } + + ret = ctdb_tdb_data_pull(buf+offset, c->key.dsize, mem_ctx, &c->key, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (buflen-offset < c->calldata.dsize) { + return EMSGSIZE; + } + + ret = ctdb_tdb_data_pull(buf+offset, c->calldata.dsize, + mem_ctx, &c->calldata, &np); + if (ret != 0) { + return ret; + } + offset += np; + + return 0; +} + +size_t ctdb_reply_call_len(struct ctdb_req_header *h, + struct ctdb_reply_call *c) +{ + return ctdb_req_header_len(h) + + ctdb_int32_len(&c->status) + + ctdb_tdb_datan_len(&c->data); +} + +int ctdb_reply_call_push(struct ctdb_req_header *h, struct ctdb_reply_call *c, + uint8_t *buf, size_t *buflen) +{ + size_t offset = 0, np; + size_t length; + + length = ctdb_reply_call_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf+offset, &np); + offset += np; + + ctdb_int32_push(&c->status, buf+offset, &np); + offset += np; + + ctdb_tdb_datan_push(&c->data, buf+offset, &np); + offset += np; + + return 0; +} + +int ctdb_reply_call_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_reply_call *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + int ret; + + ret = ctdb_req_header_pull(buf+offset, buflen-offset, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_int32_pull(buf+offset, buflen-offset, &c->status, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_tdb_datan_pull(buf+offset, buflen-offset, + mem_ctx, &c->data, &np); + if (ret != 0) { + return ret; + } + offset += np; + + return 0; +} + +size_t ctdb_reply_error_len(struct ctdb_req_header *h, + struct ctdb_reply_error *c) +{ + return ctdb_req_header_len(h) + + ctdb_int32_len(&c->status) + + ctdb_tdb_datan_len(&c->msg); +} + +int ctdb_reply_error_push(struct ctdb_req_header *h, struct ctdb_reply_error *c, + uint8_t *buf, size_t *buflen) +{ + size_t offset = 0, np; + size_t length; + + length = ctdb_reply_error_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf+offset, &np); + offset += np; + + ctdb_int32_push(&c->status, buf+offset, &np); + offset += np; + + ctdb_tdb_datan_push(&c->msg, buf+offset, &np); + offset += np; + + return 0; +} + +int ctdb_reply_error_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_reply_error *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + int ret; + + ret = ctdb_req_header_pull(buf+offset, buflen-offset, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_int32_pull(buf+offset, buflen-offset, &c->status, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_tdb_datan_pull(buf+offset, buflen-offset, mem_ctx, &c->msg, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + return 0; +} + +size_t ctdb_req_dmaster_len(struct ctdb_req_header *h, + struct ctdb_req_dmaster *c) +{ + return ctdb_req_header_len(h) + + ctdb_uint32_len(&c->db_id) + + ctdb_padding_len(4) + + ctdb_uint64_len(&c->rsn) + + ctdb_uint32_len(&c->dmaster) + + ctdb_tdb_datan_len(&c->key) + + ctdb_tdb_datan_len(&c->data); +} + +int ctdb_req_dmaster_push(struct ctdb_req_header *h, struct ctdb_req_dmaster *c, + uint8_t *buf, size_t *buflen) +{ + size_t offset = 0, np; + size_t length; + uint32_t u32; + + length = ctdb_req_dmaster_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->db_id, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&c->rsn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->dmaster, buf+offset, &np); + offset += np; + + u32 = ctdb_tdb_data_len(&c->key); + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + u32 = ctdb_tdb_data_len(&c->data); + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + ctdb_tdb_data_push(&c->key, buf+offset, &np); + offset += np; + + ctdb_tdb_data_push(&c->data, buf+offset, &np); + offset += np; + + return 0; +} + +int ctdb_req_dmaster_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_dmaster *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + uint32_t u32; + int ret; + + ret = ctdb_req_header_pull(buf+offset, buflen-offset, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->db_id, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &c->rsn, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->dmaster, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + c->key.dsize = u32; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + c->data.dsize = u32; + + if (buflen-offset < c->key.dsize) { + return EMSGSIZE; + } + + ret = ctdb_tdb_data_pull(buf+offset, c->key.dsize, mem_ctx, &c->key, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (buflen-offset < c->data.dsize) { + return EMSGSIZE; + } + + ret = ctdb_tdb_data_pull(buf+offset, c->data.dsize, mem_ctx, &c->data, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + return 0; +} + +size_t ctdb_reply_dmaster_len(struct ctdb_req_header *h, + struct ctdb_reply_dmaster *c) +{ + return ctdb_req_header_len(h) + + ctdb_uint32_len(&c->db_id) + + ctdb_padding_len(4) + + ctdb_uint64_len(&c->rsn) + + ctdb_tdb_datan_len(&c->key) + + ctdb_tdb_datan_len(&c->data); +} + +int ctdb_reply_dmaster_push(struct ctdb_req_header *h, + struct ctdb_reply_dmaster *c, + uint8_t *buf, size_t *buflen) +{ + size_t offset = 0, np; + size_t length; + uint32_t u32; + + length = ctdb_reply_dmaster_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->db_id, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&c->rsn, buf+offset, &np); + offset += np; + + u32 = ctdb_tdb_data_len(&c->key); + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + u32 = ctdb_tdb_data_len(&c->data); + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + ctdb_tdb_data_push(&c->key, buf+offset, &np); + offset += np; + + ctdb_tdb_data_push(&c->data, buf+offset, &np); + offset += np; + + return 0; +} + +int ctdb_reply_dmaster_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_reply_dmaster *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + uint32_t u32; + int ret; + + ret = ctdb_req_header_pull(buf+offset, buflen-offset, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->db_id, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &c->rsn, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + c->key.dsize = u32; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + c->data.dsize = u32; + + if (buflen-offset < c->key.dsize) { + return EMSGSIZE; + } + + ret = ctdb_tdb_data_pull(buf+offset, c->key.dsize, mem_ctx, &c->key, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (buflen-offset < c->data.dsize) { + return EMSGSIZE; + } + + ret = ctdb_tdb_data_pull(buf+offset, c->data.dsize, mem_ctx, &c->data, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + return 0; +} diff --git a/ctdb/protocol/protocol_client.c b/ctdb/protocol/protocol_client.c new file mode 100644 index 0000000..9ca2d4e --- /dev/null +++ b/ctdb/protocol/protocol_client.c @@ -0,0 +1,2352 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> +#include <tdb.h> + +#include "protocol.h" +#include "protocol_api.h" +#include "protocol_private.h" + +/* +void ctdb_req_call_fill(struct ctdb_req_call *c, + uint32_t db_id, uint32_t flags, + uint32_t call_id, TDB_DATA key) +{ + request->flags = flags; + c->db_id = db_id; + c->call_id = call_id; + c->key = key; + c->calldata = tdb_null; +} +*/ + +static int ctdb_reply_control_generic(struct ctdb_reply_control *reply, + uint32_t opcode) +{ + if (reply->rdata.opcode != opcode) { + return EPROTO; + } + + return reply->status; +} + +/* CTDB_CONTROL_PROCESS_EXISTS */ + +void ctdb_req_control_process_exists(struct ctdb_req_control *request, + pid_t pid) +{ + request->opcode = CTDB_CONTROL_PROCESS_EXISTS; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_PROCESS_EXISTS; + request->rdata.data.pid = pid; + +} + +int ctdb_reply_control_process_exists(struct ctdb_reply_control *reply, + int *status) +{ + if (reply->rdata.opcode != CTDB_CONTROL_PROCESS_EXISTS) { + return EPROTO; + } + + *status = reply->status; + reply->status = 0; + + return reply->status; +} + +/* CTDB_CONTROL_STATISTICS */ + +void ctdb_req_control_statistics(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_STATISTICS; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_STATISTICS; +} + +int ctdb_reply_control_statistics(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_statistics **stats) +{ + if (reply->rdata.opcode != CTDB_CONTROL_STATISTICS) { + return EPROTO; + } + + if (reply->status == 0) { + *stats = talloc_steal(mem_ctx, reply->rdata.data.stats); + } + return reply->status; +} + +/* CTDB_CONTROL_PING */ + +void ctdb_req_control_ping(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_PING; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_PING; +} + +int ctdb_reply_control_ping(struct ctdb_reply_control *reply, + int *num_clients) +{ + if (reply->rdata.opcode != CTDB_CONTROL_PING) { + return EPROTO; + } + + if (reply->status >= 0) { + *num_clients = reply->status; + reply->status = 0; + } + return reply->status; +} + +/* CTDB_CONTROL_GETDBPATH */ + +void ctdb_req_control_getdbpath(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_GETDBPATH; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GETDBPATH; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_getdbpath(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, const char **db_path) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GETDBPATH) { + return EPROTO; + } + + if (reply->status == 0) { + *db_path = talloc_steal(mem_ctx, reply->rdata.data.db_path); + } + return reply->status; +} + +/* CTDB_CONTROL_GETVNNMAP */ + +void ctdb_req_control_getvnnmap(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GETVNNMAP; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GETVNNMAP; +} + +int ctdb_reply_control_getvnnmap(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_vnn_map **vnnmap) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GETVNNMAP) { + return EPROTO; + } + + if (reply->status == 0) { + *vnnmap = talloc_steal(mem_ctx, reply->rdata.data.vnnmap); + } + return reply->status; +} + +/* CTDB_CONTROL_SETVNNMAP */ + +void ctdb_req_control_setvnnmap(struct ctdb_req_control *request, + struct ctdb_vnn_map *vnnmap) +{ + request->opcode = CTDB_CONTROL_SETVNNMAP; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SETVNNMAP; + request->rdata.data.vnnmap = vnnmap; +} + +int ctdb_reply_control_setvnnmap(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_SETVNNMAP); +} + +/* CTDB_CONTROL_GET_DEBUG */ + +void ctdb_req_control_get_debug(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_DEBUG; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_DEBUG; +} + +int ctdb_reply_control_get_debug(struct ctdb_reply_control *reply, + int *loglevel) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_DEBUG) { + return EPROTO; + } + + if (reply->status == 0) { + *loglevel = (int)reply->rdata.data.loglevel; + } + return reply->status; +} + +/* CTDB_CONTROL_SET_DEBUG */ + +void ctdb_req_control_set_debug(struct ctdb_req_control *request, + int loglevel) +{ + request->opcode = CTDB_CONTROL_SET_DEBUG; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SET_DEBUG; + request->rdata.data.loglevel = (uint32_t)loglevel; +} + +int ctdb_reply_control_set_debug(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_SET_DEBUG); +} + +/* CTDB_CONTROL_GET_DBMAP */ + +void ctdb_req_control_get_dbmap(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_DBMAP; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_DBMAP; +} + +int ctdb_reply_control_get_dbmap(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_dbid_map **dbmap) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_DBMAP) { + return EPROTO; + } + + if (reply->status == 0) { + *dbmap = talloc_steal(mem_ctx, reply->rdata.data.dbmap); + } + return reply->status; +} + +/* CTDB_CONTROL_GET_RECMODE */ + +void ctdb_req_control_get_recmode(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_RECMODE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_RECMODE; +} + +int ctdb_reply_control_get_recmode(struct ctdb_reply_control *reply, + int *recmode) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_RECMODE) { + return EPROTO; + } + + if (reply->status >= 0) { + *recmode = reply->status; + reply->status = 0; + } + return reply->status; +} + +/* CTDB_CONTROL_SET_RECMODE */ + +void ctdb_req_control_set_recmode(struct ctdb_req_control *request, + int recmode) +{ + request->opcode = CTDB_CONTROL_SET_RECMODE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SET_RECMODE; + request->rdata.data.recmode = recmode; +} + +int ctdb_reply_control_set_recmode(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_SET_RECMODE); +} + +/* CTDB_CONTROL_STATISTICS_RESET */ + +void ctdb_req_control_statistics_reset(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_STATISTICS_RESET; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_STATISTICS_RESET; +} + +int ctdb_reply_control_statistics_reset(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_STATISTICS_RESET); +} + +/* CTDB_CONTROL_DB_ATTACH */ + +void ctdb_req_control_db_attach(struct ctdb_req_control *request, + const char *db_name) +{ + request->opcode = CTDB_CONTROL_DB_ATTACH; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_ATTACH; + request->rdata.data.db_name = db_name; +} + +int ctdb_reply_control_db_attach(struct ctdb_reply_control *reply, + uint32_t *db_id) +{ + if (reply->rdata.opcode != CTDB_CONTROL_DB_ATTACH) { + return EPROTO; + } + + if (reply->status == 0) { + *db_id = reply->rdata.data.db_id; + } + return reply->status; +} + +/* CTDB_CONTROL_TRAVERSE_START */ + +void ctdb_req_control_traverse_start(struct ctdb_req_control *request, + struct ctdb_traverse_start *traverse) +{ + request->opcode = CTDB_CONTROL_TRAVERSE_START; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TRAVERSE_START; + request->rdata.data.traverse_start = traverse; +} + +int ctdb_reply_control_traverse_start(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_TRAVERSE_START); +} + +/* CTDB_CONTROL_TRAVERSE_ALL */ +/* CTDB_CONTROL_TRAVERSE_DATA */ + +/* CTDB_CONTROL_REGISTER_SRVID */ + +void ctdb_req_control_register_srvid(struct ctdb_req_control *request, + uint64_t srvid) +{ + request->opcode = CTDB_CONTROL_REGISTER_SRVID; + request->pad = 0; + request->srvid = srvid; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_REGISTER_SRVID; +} + +int ctdb_reply_control_register_srvid(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_REGISTER_SRVID); +} + +/* CTDB_CONTROL_DEREGISTER_SRVID */ + +void ctdb_req_control_deregister_srvid(struct ctdb_req_control *request, + uint64_t srvid) +{ + request->opcode = CTDB_CONTROL_DEREGISTER_SRVID; + request->pad = 0; + request->srvid = srvid; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DEREGISTER_SRVID; +} + +int ctdb_reply_control_deregister_srvid(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_DEREGISTER_SRVID); +} + +/* CTDB_CONTROL_GET_DBNAME */ + +void ctdb_req_control_get_dbname(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_GET_DBNAME; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_DBNAME; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_get_dbname(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, const char **db_name) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_DBNAME) { + return EPROTO; + } + + if (reply->status == 0) { + *db_name = talloc_steal(mem_ctx, reply->rdata.data.db_name); + } + return reply->status; +} + +/* CTDB_CONTROL_ENABLE_SEQNUM */ + +void ctdb_req_control_enable_seqnum(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_ENABLE_SEQNUM; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_ENABLE_SEQNUM; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_enable_seqnum(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_ENABLE_SEQNUM); +} + +/* CTDB_CONTROL_UPDATE_SEQNUM */ + +void ctdb_req_control_update_seqnum(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_UPDATE_SEQNUM; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_UPDATE_SEQNUM; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_update_seqnum(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_UPDATE_SEQNUM); +} + +/* CTDB_CONTROL_DUMP_MEMORY */ + +void ctdb_req_control_dump_memory(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_DUMP_MEMORY; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DUMP_MEMORY; +} + +int ctdb_reply_control_dump_memory(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, const char **mem_str) +{ + if (reply->rdata.opcode != CTDB_CONTROL_DUMP_MEMORY) { + return EPROTO; + } + + if (reply->status == 0) { + *mem_str = talloc_steal(mem_ctx, reply->rdata.data.mem_str); + } + return reply->status; +} + +/* CTDB_CONTROL_GET_PID */ + +void ctdb_req_control_get_pid(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_PID; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_PID; +} + +int ctdb_reply_control_get_pid(struct ctdb_reply_control *reply, + pid_t *pid) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_PID) { + return EPROTO; + } + + *pid = reply->status; + reply->status = 0; + + return reply->status; +} + +/* CTDB_CONTROL_FREEZE */ + +void ctdb_req_control_freeze(struct ctdb_req_control *request, + uint32_t priority) +{ + request->opcode = CTDB_CONTROL_FREEZE; + request->pad = 0; + request->srvid = priority; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_FREEZE; +} + +int ctdb_reply_control_freeze(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_FREEZE); +} + +/* CTDB_CONTROL_GET_PNN */ + +void ctdb_req_control_get_pnn(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_PNN; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_PNN; +} + +int ctdb_reply_control_get_pnn(struct ctdb_reply_control *reply, + uint32_t *pnn) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_PNN) { + return EPROTO; + } + + if (reply->status >= 0) { + *pnn = reply->status; + reply->status = 0; + } + return reply->status; +} + +/* CTDB_CONTROL_SHUTDOWN */ + +void ctdb_req_control_shutdown(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_SHUTDOWN; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = CTDB_CTRL_FLAG_NOREPLY; + + request->rdata.opcode = CTDB_CONTROL_SHUTDOWN; +} + +int ctdb_reply_control_shutdown(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_SHUTDOWN); +} + +/* CTDB_CONTROL_TCP_CLIENT */ + +void ctdb_req_control_tcp_client(struct ctdb_req_control *request, + struct ctdb_connection *conn) +{ + request->opcode = CTDB_CONTROL_TCP_CLIENT; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TCP_CLIENT; + request->rdata.data.conn = conn; +} + +int ctdb_reply_control_tcp_client(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_TCP_CLIENT); +} + +/* CTDB_CONTROL_TCP_ADD */ + +void ctdb_req_control_tcp_add(struct ctdb_req_control *request, + struct ctdb_connection *conn) +{ + request->opcode = CTDB_CONTROL_TCP_ADD; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TCP_ADD; + request->rdata.data.conn = conn; +} + +int ctdb_reply_control_tcp_add(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_TCP_ADD); +} + +/* CTDB_CONTROL_TCP_REMOVE */ + +void ctdb_req_control_tcp_remove(struct ctdb_req_control *request, + struct ctdb_connection *conn) +{ + request->opcode = CTDB_CONTROL_TCP_REMOVE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TCP_REMOVE; + request->rdata.data.conn = conn; +} + +int ctdb_reply_control_tcp_remove(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_TCP_REMOVE); +} + +/* CTDB_CONTROL_STARTUP */ + +void ctdb_req_control_startup(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_STARTUP; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_STARTUP; +} + +int ctdb_reply_control_startup(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_STARTUP); +} + +/* CTDB_CONTROL_SET_TUNABLE */ + +void ctdb_req_control_set_tunable(struct ctdb_req_control *request, + struct ctdb_tunable *tunable) +{ + request->opcode = CTDB_CONTROL_SET_TUNABLE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SET_TUNABLE; + request->rdata.data.tunable = tunable; +} + +int ctdb_reply_control_set_tunable(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_SET_TUNABLE); +} + +/* CTDB_CONTROL_GET_TUNABLE */ + +void ctdb_req_control_get_tunable(struct ctdb_req_control *request, + const char *name) +{ + request->opcode = CTDB_CONTROL_GET_TUNABLE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_TUNABLE; + request->rdata.data.tun_var = discard_const(name); +} + +int ctdb_reply_control_get_tunable(struct ctdb_reply_control *reply, + uint32_t *value) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_TUNABLE) { + return EPROTO; + } + + if (reply->status == 0) { + *value = reply->rdata.data.tun_value; + } + return reply->status; +} + +/* CTDB_CONTROL_LIST_TUNABLES */ + +void ctdb_req_control_list_tunables(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_LIST_TUNABLES; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_LIST_TUNABLES; +} + +int ctdb_reply_control_list_tunables(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_var_list **tun_var_list) +{ + if (reply->rdata.opcode != CTDB_CONTROL_LIST_TUNABLES) { + return EPROTO; + } + + if (reply->status == 0) { + *tun_var_list = talloc_steal(mem_ctx, + reply->rdata.data.tun_var_list); + } + return reply->status; +} + +/* CTDB_CONTROL_MODIFY_FLAGS */ + +void ctdb_req_control_modify_flags(struct ctdb_req_control *request, + struct ctdb_node_flag_change *flag_change) +{ + request->opcode = CTDB_CONTROL_MODIFY_FLAGS; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_MODIFY_FLAGS; + request->rdata.data.flag_change = flag_change; +} + +int ctdb_reply_control_modify_flags(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_MODIFY_FLAGS); +} + +/* CTDB_CONTROL_GET_ALL_TUNABLES */ + +void ctdb_req_control_get_all_tunables(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_ALL_TUNABLES; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_ALL_TUNABLES; +} + +int ctdb_reply_control_get_all_tunables(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_tunable_list **tun_list) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_ALL_TUNABLES) { + return EPROTO; + } + + if (reply->status == 0) { + *tun_list = talloc_steal(mem_ctx, reply->rdata.data.tun_list); + } + return reply->status; +} + +/* CTDB_CONTROL_GET_TCP_TICKLE_LIST */ + +void ctdb_req_control_get_tcp_tickle_list(struct ctdb_req_control *request, + ctdb_sock_addr *addr) +{ + request->opcode = CTDB_CONTROL_GET_TCP_TICKLE_LIST; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_TCP_TICKLE_LIST; + request->rdata.data.addr = addr; +} + +int ctdb_reply_control_get_tcp_tickle_list(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_tickle_list **tickles) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_TCP_TICKLE_LIST) { + return EPROTO; + } + + if (reply->status == 0) { + *tickles = talloc_steal(mem_ctx, reply->rdata.data.tickles); + } + return reply->status; +} + +/* CTDB_CONTROL_SET_TCP_TICKLE_LIST */ + +void ctdb_req_control_set_tcp_tickle_list(struct ctdb_req_control *request, + struct ctdb_tickle_list *tickles) +{ + request->opcode = CTDB_CONTROL_SET_TCP_TICKLE_LIST; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SET_TCP_TICKLE_LIST; + request->rdata.data.tickles = tickles; +} + +int ctdb_reply_control_set_tcp_tickle_list(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_SET_TCP_TICKLE_LIST); +} + +/* CTDB_CONTROL_DB_ATTACH_PERSISTENT */ + +void ctdb_req_control_db_attach_persistent(struct ctdb_req_control *request, + const char *db_name) +{ + request->opcode = CTDB_CONTROL_DB_ATTACH_PERSISTENT; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_ATTACH_PERSISTENT; + request->rdata.data.db_name = db_name; +} + +int ctdb_reply_control_db_attach_persistent(struct ctdb_reply_control *reply, + uint32_t *db_id) +{ + if (reply->rdata.opcode != CTDB_CONTROL_DB_ATTACH_PERSISTENT) { + return EPROTO; + } + + if (reply->status == 0) { + *db_id = reply->rdata.data.db_id; + } + return reply->status; +} + +/* CTDB_CONTROL_UPDATE_RECORD */ + +void ctdb_req_control_update_record(struct ctdb_req_control *request, + struct ctdb_rec_buffer *recbuf) +{ + request->opcode = CTDB_CONTROL_UPDATE_RECORD; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_UPDATE_RECORD; + request->rdata.data.recbuf = recbuf; +} + +int ctdb_reply_control_update_record(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_UPDATE_RECORD); +} + +/* CTDB_CONTROL_SEND_GRATUITOUS_ARP */ + +void ctdb_req_control_send_gratuitous_arp(struct ctdb_req_control *request, + struct ctdb_addr_info *addr_info) +{ + request->opcode = CTDB_CONTROL_SEND_GRATUITOUS_ARP; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SEND_GRATUITOUS_ARP; + request->rdata.data.addr_info = addr_info; +} + +int ctdb_reply_control_send_gratuitous_arp(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_SEND_GRATUITOUS_ARP); +} + +/* CTDB_CONTROL_WIPE_DATABASE */ + +void ctdb_req_control_wipe_database(struct ctdb_req_control *request, + struct ctdb_transdb *transdb) +{ + request->opcode = CTDB_CONTROL_WIPE_DATABASE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_WIPE_DATABASE; + request->rdata.data.transdb = transdb; +} + +int ctdb_reply_control_wipe_database(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_WIPE_DATABASE); +} + +/* CTDB_CONTROL_UPTIME */ + +void ctdb_req_control_uptime(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_UPTIME; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_UPTIME; +} + +int ctdb_reply_control_uptime(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, struct ctdb_uptime **uptime) +{ + if (reply->rdata.opcode != CTDB_CONTROL_UPTIME) { + return EPROTO; + } + + if (reply->status == 0) { + *uptime = talloc_steal(mem_ctx, reply->rdata.data.uptime); + } + return reply->status; +} + +/* CTDB_CONTROL_START_RECOVERY */ + +void ctdb_req_control_start_recovery(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_START_RECOVERY; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_START_RECOVERY; +} + +int ctdb_reply_control_start_recovery(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_START_RECOVERY); +} + +/* CTDB_CONTROL_END_RECOVERY */ + +void ctdb_req_control_end_recovery(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_END_RECOVERY; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_END_RECOVERY; +} + +int ctdb_reply_control_end_recovery(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_END_RECOVERY); +} + +/* CTDB_CONTROL_RELOAD_NODES_FILE */ + +void ctdb_req_control_reload_nodes_file(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_RELOAD_NODES_FILE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_RELOAD_NODES_FILE; +} + +int ctdb_reply_control_reload_nodes_file(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_RELOAD_NODES_FILE); +} + +/* CTDB_CONTROL_TRY_DELETE_RECORDS */ + +void ctdb_req_control_try_delete_records(struct ctdb_req_control *request, + struct ctdb_rec_buffer *recbuf) +{ + request->opcode = CTDB_CONTROL_TRY_DELETE_RECORDS; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TRY_DELETE_RECORDS; + request->rdata.data.recbuf = recbuf; +} + +int ctdb_reply_control_try_delete_records(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_rec_buffer **recbuf) +{ + if (reply->rdata.opcode != CTDB_CONTROL_TRY_DELETE_RECORDS) { + return EPROTO; + } + + if (reply->status == 0) { + *recbuf = talloc_steal(mem_ctx, reply->rdata.data.recbuf); + } + return reply->status; +} + +/* CTDB_CONTROL_ADD_PUBLIC_IP */ + +void ctdb_req_control_add_public_ip(struct ctdb_req_control *request, + struct ctdb_addr_info *addr_info) +{ + request->opcode = CTDB_CONTROL_ADD_PUBLIC_IP; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_ADD_PUBLIC_IP; + request->rdata.data.addr_info = addr_info; +} + +int ctdb_reply_control_add_public_ip(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_ADD_PUBLIC_IP); +} + +/* CTDB_CONTROL_DEL_PUBLIC_IP */ + +void ctdb_req_control_del_public_ip(struct ctdb_req_control *request, + struct ctdb_addr_info *addr_info) +{ + request->opcode = CTDB_CONTROL_DEL_PUBLIC_IP; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DEL_PUBLIC_IP; + request->rdata.data.addr_info = addr_info; +} + +int ctdb_reply_control_del_public_ip(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_DEL_PUBLIC_IP); +} + +/* CTDB_CONTROL_GET_CAPABILITIES */ + +void ctdb_req_control_get_capabilities(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_CAPABILITIES; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_CAPABILITIES; +} + +int ctdb_reply_control_get_capabilities(struct ctdb_reply_control *reply, + uint32_t *caps) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_CAPABILITIES) { + return EPROTO; + } + + if (reply->status == 0) { + *caps = reply->rdata.data.caps; + } + return reply->status; +} + +/* CTDB_CONTROL_RECD_PING */ + +void ctdb_req_control_recd_ping(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_RECD_PING; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_RECD_PING; +} + +int ctdb_reply_control_recd_ping(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_RECD_PING); +} + +/* CTDB_CONTROL_RELEASE_IP */ + +void ctdb_req_control_release_ip(struct ctdb_req_control *request, + struct ctdb_public_ip *pubip) +{ + request->opcode = CTDB_CONTROL_RELEASE_IP; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_RELEASE_IP; + request->rdata.data.pubip = pubip; +} + +int ctdb_reply_control_release_ip(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_RELEASE_IP); +} + +/* CTDB_CONTROL_TAKEOVER_IP */ + +void ctdb_req_control_takeover_ip(struct ctdb_req_control *request, + struct ctdb_public_ip *pubip) +{ + request->opcode = CTDB_CONTROL_TAKEOVER_IP; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TAKEOVER_IP; + request->rdata.data.pubip = pubip; +} + +int ctdb_reply_control_takeover_ip(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_TAKEOVER_IP); +} + +/* CTDB_CONTROL_GET_PUBLIC_IPS */ + +void ctdb_req_control_get_public_ips(struct ctdb_req_control *request, + bool available_only) +{ + request->opcode = CTDB_CONTROL_GET_PUBLIC_IPS; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_PUBLIC_IPS; + if (available_only) { + request->flags = CTDB_PUBLIC_IP_FLAGS_ONLY_AVAILABLE; + } +} + +int ctdb_reply_control_get_public_ips(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_public_ip_list **pubip_list) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_PUBLIC_IPS) { + return EPROTO; + } + + if (reply->status == 0) { + *pubip_list = talloc_steal(mem_ctx, + reply->rdata.data.pubip_list); + } + return reply->status; +} + +/* CTDB_CONTROL_GET_NODEMAP */ + +void ctdb_req_control_get_nodemap(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_NODEMAP; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_NODEMAP; +} + +int ctdb_reply_control_get_nodemap(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_node_map **nodemap) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_NODEMAP) { + return EPROTO; + } + + if (reply->status == 0) { + *nodemap = talloc_steal(mem_ctx, reply->rdata.data.nodemap); + } + return reply->status; +} + +/* CTDB_CONTROL_TRAVERSE_KILL */ + +void ctdb_req_control_traverse_kill(struct ctdb_req_control *request, + struct ctdb_traverse_start *traverse) +{ + request->opcode = CTDB_CONTROL_TRAVERSE_KILL; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TRAVERSE_KILL; + request->rdata.data.traverse_start = traverse; +} + +int ctdb_reply_control_traverse_kill(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_TRAVERSE_KILL); +} + +/* CTDB_CONTROL_RECD_RECLOCK_LATENCY */ + +void ctdb_req_control_recd_reclock_latency(struct ctdb_req_control *request, + double reclock_latency) +{ + request->opcode = CTDB_CONTROL_RECD_RECLOCK_LATENCY; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_RECD_RECLOCK_LATENCY; + request->rdata.data.reclock_latency = reclock_latency; +} + +int ctdb_reply_control_recd_reclock_latency(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_RECD_RECLOCK_LATENCY); +} + +/* CTDB_CONTROL_GET_RECLOCK_FILE */ + +void ctdb_req_control_get_reclock_file(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_RECLOCK_FILE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_RECLOCK_FILE; +} + +int ctdb_reply_control_get_reclock_file(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + const char **reclock_file) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_RECLOCK_FILE) { + return EPROTO; + } + + if (reply->status == 0) { + *reclock_file = talloc_steal(mem_ctx, + reply->rdata.data.reclock_file); + } + return reply->status; +} + +/* CTDB_CONTROL_STOP_NODE */ + +void ctdb_req_control_stop_node(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_STOP_NODE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_STOP_NODE; +} + +int ctdb_reply_control_stop_node(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_STOP_NODE); +} + +/* CTDB_CONTROL_CONTINUE_NODE */ + +void ctdb_req_control_continue_node(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_CONTINUE_NODE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_CONTINUE_NODE; +} + +int ctdb_reply_control_continue_node(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_CONTINUE_NODE); +} + +/* CTDB_CONTROL_SET_LMASTERROLE */ + +void ctdb_req_control_set_lmasterrole(struct ctdb_req_control *request, + uint32_t lmaster_role) +{ + request->opcode = CTDB_CONTROL_SET_LMASTERROLE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SET_LMASTERROLE; + request->rdata.data.role = lmaster_role; +} + +int ctdb_reply_control_set_lmasterrole(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_SET_LMASTERROLE); +} + +/* CTDB_CONTROL_SET_RECMASTERROLE */ + +void ctdb_req_control_set_recmasterrole(struct ctdb_req_control *request, + uint32_t recmaster_role) +{ + request->opcode = CTDB_CONTROL_SET_RECMASTERROLE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SET_RECMASTERROLE; + request->rdata.data.role = recmaster_role; +} + +int ctdb_reply_control_set_recmasterrole(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_SET_RECMASTERROLE); +} + +/* CTDB_CONTROL_SET_BAN_STATE */ + +void ctdb_req_control_set_ban_state(struct ctdb_req_control *request, + struct ctdb_ban_state *ban_state) +{ + request->opcode = CTDB_CONTROL_SET_BAN_STATE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SET_BAN_STATE; + request->rdata.data.ban_state = ban_state; +} + +int ctdb_reply_control_set_ban_state(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_SET_BAN_STATE); +} + +/* CTDB_CONTROL_GET_BAN_STATE */ + +void ctdb_req_control_get_ban_state(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_BAN_STATE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_BAN_STATE; +} + +int ctdb_reply_control_get_ban_state(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_ban_state **ban_state) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_BAN_STATE) { + return EPROTO; + } + + if (reply->status == 0) { + *ban_state = talloc_steal(mem_ctx, + reply->rdata.data.ban_state); + } + return reply->status; +} + +/* CTDB_CONTROL_REGISTER_NOTIFY */ + +void ctdb_req_control_register_notify(struct ctdb_req_control *request, + struct ctdb_notify_data *notify) +{ + request->opcode = CTDB_CONTROL_REGISTER_NOTIFY; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_REGISTER_NOTIFY; + request->rdata.data.notify = notify; +} + +int ctdb_reply_control_register_notify(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_REGISTER_NOTIFY); +} + +/* CTDB_CONTROL_DEREGISTER_NOTIFY */ + +void ctdb_req_control_deregister_notify(struct ctdb_req_control *request, + uint64_t srvid) +{ + request->opcode = CTDB_CONTROL_DEREGISTER_NOTIFY; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DEREGISTER_NOTIFY; + request->rdata.data.srvid = srvid; +} + +int ctdb_reply_control_deregister_notify(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_DEREGISTER_NOTIFY); +} + +/* CTDB_CONTROL_TRANS3_COMMIT */ + +void ctdb_req_control_trans3_commit(struct ctdb_req_control *request, + struct ctdb_rec_buffer *recbuf) +{ + request->opcode = CTDB_CONTROL_TRANS3_COMMIT; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TRANS3_COMMIT; + request->rdata.data.recbuf = recbuf; +} + +int ctdb_reply_control_trans3_commit(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_TRANS3_COMMIT); +} + +/* CTDB_CONTROL_GET_DB_SEQNUM */ + +void ctdb_req_control_get_db_seqnum(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_GET_DB_SEQNUM; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_DB_SEQNUM; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_get_db_seqnum(struct ctdb_reply_control *reply, + uint64_t *seqnum) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_DB_SEQNUM) { + return EPROTO; + } + + if (reply->status == 0) { + *seqnum = reply->rdata.data.seqnum; + } + return reply->status; +} + +/* CTDB_CONTROL_DB_SET_HEALTHY */ + +void ctdb_req_control_db_set_healthy(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_DB_SET_HEALTHY; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_SET_HEALTHY; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_db_set_healthy(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_DB_SET_HEALTHY); +} + +/* CTDB_CONTROL_DB_GET_HEALTH */ + +void ctdb_req_control_db_get_health(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_DB_GET_HEALTH; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_GET_HEALTH; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_db_get_health(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, const char **reason) +{ + if (reply->rdata.opcode != CTDB_CONTROL_DB_GET_HEALTH) { + return EPROTO; + } + + if (reply->status == 0) { + *reason = talloc_steal(mem_ctx, reply->rdata.data.reason); + } + return reply->status; +} + +/* CTDB_CONTROL_GET_PUBLIC_IP_INFO */ + +void ctdb_req_control_get_public_ip_info(struct ctdb_req_control *request, + ctdb_sock_addr *addr) +{ + request->opcode = CTDB_CONTROL_GET_PUBLIC_IP_INFO; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_PUBLIC_IP_INFO; + request->rdata.data.addr = addr; +} + +int ctdb_reply_control_get_public_ip_info(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_public_ip_info **ipinfo) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_PUBLIC_IP_INFO) { + return EPROTO; + } + + if (reply->status == 0) { + *ipinfo = talloc_steal(mem_ctx, reply->rdata.data.ipinfo); + } + return reply->status; +} + +/* CTDB_CONTROL_GET_IFACES */ + +void ctdb_req_control_get_ifaces(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_IFACES; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_IFACES; +} + +int ctdb_reply_control_get_ifaces(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_iface_list **iface_list) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_IFACES) { + return EPROTO; + } + + if (reply->status == 0) { + *iface_list = talloc_steal(mem_ctx, + reply->rdata.data.iface_list); + } + return reply->status; +} + +/* CTDB_CONTROL_SET_IFACE_LINK_STATE */ + +void ctdb_req_control_set_iface_link_state(struct ctdb_req_control *request, + struct ctdb_iface *iface) +{ + request->opcode = CTDB_CONTROL_SET_IFACE_LINK_STATE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SET_IFACE_LINK_STATE; + request->rdata.data.iface = iface; +} + +int ctdb_reply_control_set_iface_link_state(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_SET_IFACE_LINK_STATE); +} + +/* CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE */ + +void ctdb_req_control_tcp_add_delayed_update(struct ctdb_req_control *request, + struct ctdb_connection *conn) +{ + request->opcode = CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE; + request->rdata.data.conn = conn; +} + +int ctdb_reply_control_tcp_add_delayed_update(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE); +} + +/* CTDB_CONTROL_GET_STAT_HISTORY */ + +void ctdb_req_control_get_stat_history(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_STAT_HISTORY; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_STAT_HISTORY; +} + +int ctdb_reply_control_get_stat_history(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_statistics_list **stats_list) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_STAT_HISTORY) { + return EPROTO; + } + + if (reply->status == 0) { + *stats_list = talloc_steal(mem_ctx, + reply->rdata.data.stats_list); + } + return reply->status; +} + +/* CTDB_CONTROL_SCHEDULE_FOR_DELETION */ + +void ctdb_req_control_schedule_for_deletion(struct ctdb_req_control *request, + struct ctdb_key_data *key) +{ + request->opcode = CTDB_CONTROL_SCHEDULE_FOR_DELETION; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SCHEDULE_FOR_DELETION; + request->rdata.data.key = key; +} + +int ctdb_reply_control_schedule_for_deletion(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_SCHEDULE_FOR_DELETION); +} + +/* CTDB_CONTROL_SET_DB_READONLY */ + +void ctdb_req_control_set_db_readonly(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_SET_DB_READONLY; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SET_DB_READONLY; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_set_db_readonly(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_SET_DB_READONLY); +} + +/* CTDB_CONTROL_TRAVERSE_START_EXT */ + +void ctdb_req_control_traverse_start_ext(struct ctdb_req_control *request, + struct ctdb_traverse_start_ext *traverse) +{ + request->opcode = CTDB_CONTROL_TRAVERSE_START_EXT; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TRAVERSE_START_EXT; + request->rdata.data.traverse_start_ext = traverse; +} + +int ctdb_reply_control_traverse_start_ext(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_TRAVERSE_START_EXT); +} + +/* CTDB_CONTROL_GET_DB_STATISTICS */ + +void ctdb_req_control_get_db_statistics(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_GET_DB_STATISTICS; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_DB_STATISTICS; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_get_db_statistics(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_db_statistics **dbstats) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_DB_STATISTICS) { + return EPROTO; + } + + if (reply->status == 0) { + *dbstats = talloc_steal(mem_ctx, reply->rdata.data.dbstats); + } + return reply->status; +} + +/* CTDB_CONTROL_SET_DB_STICKY */ + +void ctdb_req_control_set_db_sticky(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_SET_DB_STICKY; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_SET_DB_STICKY; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_set_db_sticky(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_SET_DB_STICKY); +} + +/* CTDB_CONTROL_RELOAD_PUBLIC_IPS */ + +void ctdb_req_control_reload_public_ips(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_RELOAD_PUBLIC_IPS; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_RELOAD_PUBLIC_IPS; +} + +int ctdb_reply_control_reload_public_ips(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_RELOAD_PUBLIC_IPS); +} + +/* CTDB_CONTROL_TRAVERSE_ALL_EXT */ + +/* CTDB_CONTROL_IPREALLOCATED */ + +void ctdb_req_control_ipreallocated(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_IPREALLOCATED; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_IPREALLOCATED; +} + +int ctdb_reply_control_ipreallocated(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_IPREALLOCATED); +} + +/* CTDB_CONTROL_GET_RUNSTATE */ + +void ctdb_req_control_get_runstate(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_RUNSTATE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_RUNSTATE; +} + +int ctdb_reply_control_get_runstate(struct ctdb_reply_control *reply, + enum ctdb_runstate *runstate) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_RUNSTATE) { + return EPROTO; + } + + if (reply->status == 0) { + *runstate = reply->rdata.data.runstate; + } + return reply->status; +} + +/* CTDB_CONTROL_DB_DETACH */ + +void ctdb_req_control_db_detach(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_DB_DETACH; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_DETACH; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_db_detach(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_DB_DETACH); +} + +/* CTDB_CONTROL_GET_NODES_FILE */ + +void ctdb_req_control_get_nodes_file(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_GET_NODES_FILE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_GET_NODES_FILE; +} + +int ctdb_reply_control_get_nodes_file(struct ctdb_reply_control *reply, + TALLOC_CTX *mem_ctx, + struct ctdb_node_map **nodemap) +{ + if (reply->rdata.opcode != CTDB_CONTROL_GET_NODES_FILE) { + return EPROTO; + } + + if (reply->status == 0) { + *nodemap = talloc_steal(mem_ctx, reply->rdata.data.nodemap); + } + return reply->status; +} + +/* CTDB_CONTROL_DB_FREEZE */ + +void ctdb_req_control_db_freeze(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_DB_FREEZE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_FREEZE; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_db_freeze(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_DB_FREEZE); +} + +/* CTDB_CONTROL_DB_THAW */ + +void ctdb_req_control_db_thaw(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_DB_THAW; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_THAW; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_db_thaw(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_DB_THAW); +} + +/* CTDB_CONTROL_DB_TRANSACTION_START */ + +void ctdb_req_control_db_transaction_start(struct ctdb_req_control *request, + struct ctdb_transdb *transdb) +{ + request->opcode = CTDB_CONTROL_DB_TRANSACTION_START; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_TRANSACTION_START; + request->rdata.data.transdb = transdb; +} + +int ctdb_reply_control_db_transaction_start(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_DB_TRANSACTION_START); +} + +/* CTDB_CONTROL_DB_TRANSACTION_COMMIT */ + +void ctdb_req_control_db_transaction_commit(struct ctdb_req_control *request, + struct ctdb_transdb *transdb) +{ + request->opcode = CTDB_CONTROL_DB_TRANSACTION_COMMIT; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_TRANSACTION_COMMIT; + request->rdata.data.transdb = transdb; +} + +int ctdb_reply_control_db_transaction_commit(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_DB_TRANSACTION_COMMIT); +} + +/* CTDB_CONTROL_DB_TRANSACTION_CANCEL */ + +void ctdb_req_control_db_transaction_cancel(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_DB_TRANSACTION_CANCEL; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_TRANSACTION_CANCEL; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_db_transaction_cancel(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, + CTDB_CONTROL_DB_TRANSACTION_CANCEL); +} + +/* CTDB_CONTROL_DB_PULL */ + +void ctdb_req_control_db_pull(struct ctdb_req_control *request, + struct ctdb_pulldb_ext *pulldb_ext) +{ + request->opcode = CTDB_CONTROL_DB_PULL; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_PULL; + request->rdata.data.pulldb_ext = pulldb_ext; +} + +int ctdb_reply_control_db_pull(struct ctdb_reply_control *reply, + uint32_t *num_records) +{ + if (reply->rdata.opcode != CTDB_CONTROL_DB_PULL) { + return EPROTO; + } + + if (reply->status == 0) { + *num_records = reply->rdata.data.num_records; + } + return reply->status; +} + +/* CTDB_CONTROL_DB_PUSH_START */ + +void ctdb_req_control_db_push_start(struct ctdb_req_control *request, + struct ctdb_pulldb_ext *pulldb_ext) +{ + request->opcode = CTDB_CONTROL_DB_PUSH_START; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_PUSH_START; + request->rdata.data.pulldb_ext = pulldb_ext; +} + +int ctdb_reply_control_db_push_start(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_DB_PUSH_START); +} + +/* CTDB_CONTROL_DB_PUSH_CONFIRM */ + +void ctdb_req_control_db_push_confirm(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_DB_PUSH_CONFIRM; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_PUSH_CONFIRM; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_db_push_confirm(struct ctdb_reply_control *reply, + uint32_t *num_records) +{ + if (reply->rdata.opcode != CTDB_CONTROL_DB_PUSH_CONFIRM) { + return EPROTO; + } + + if (reply->status == 0) { + *num_records = reply->rdata.data.num_records; + } + return reply->status; +} + +/* CTDB_CONTROL_DB_OPEN_FLAGS */ + +void ctdb_req_control_db_open_flags(struct ctdb_req_control *request, + uint32_t db_id) +{ + request->opcode = CTDB_CONTROL_DB_OPEN_FLAGS; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_OPEN_FLAGS; + request->rdata.data.db_id = db_id; +} + +int ctdb_reply_control_db_open_flags(struct ctdb_reply_control *reply, + int *tdb_flags) +{ + if (reply->rdata.opcode != CTDB_CONTROL_DB_OPEN_FLAGS) { + return EPROTO; + } + + if (reply->status == 0) { + *tdb_flags = reply->rdata.data.tdb_flags; + } + return reply->status; +} + +/* CTDB_CONTROL_DB_ATTACH_REPLICATED */ + +void ctdb_req_control_db_attach_replicated(struct ctdb_req_control *request, + const char *db_name) +{ + request->opcode = CTDB_CONTROL_DB_ATTACH_REPLICATED; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_ATTACH_REPLICATED; + request->rdata.data.db_name = db_name; +} + +int ctdb_reply_control_db_attach_replicated(struct ctdb_reply_control *reply, + uint32_t *db_id) +{ + if (reply->rdata.opcode != CTDB_CONTROL_DB_ATTACH_REPLICATED) { + return EPROTO; + } + if (reply->status == 0) { + *db_id = reply->rdata.data.db_id; + } + return reply->status; +} + +/* CTDB_CONTROL_CHECK_PID_SRVID */ + +void ctdb_req_control_check_pid_srvid(struct ctdb_req_control *request, + struct ctdb_pid_srvid *pid_srvid) +{ + request->opcode = CTDB_CONTROL_CHECK_PID_SRVID; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_CHECK_PID_SRVID; + request->rdata.data.pid_srvid = pid_srvid; +} + +int ctdb_reply_control_check_pid_srvid(struct ctdb_reply_control *reply, + int *status) +{ + if (reply->rdata.opcode != CTDB_CONTROL_CHECK_PID_SRVID) { + return EPROTO; + } + + *status = reply->status; + reply->status = 0; + + return reply->status; +} + +/* CTDB_CONTROL_TUNNEL_REGISTER */ + +void ctdb_req_control_tunnel_register(struct ctdb_req_control *request, + uint64_t tunnel_id) +{ + request->opcode = CTDB_CONTROL_TUNNEL_REGISTER; + request->pad = 0; + request->srvid = tunnel_id; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TUNNEL_REGISTER; +} + +int ctdb_reply_control_tunnel_register(struct ctdb_reply_control *reply) +{ + if (reply->rdata.opcode != CTDB_CONTROL_TUNNEL_REGISTER) { + return EPROTO; + } + + return reply->status; +} + +/* CTDB_CONTROL_TUNNEL_DEREGISTER */ + +void ctdb_req_control_tunnel_deregister(struct ctdb_req_control *request, + uint64_t tunnel_id) +{ + request->opcode = CTDB_CONTROL_TUNNEL_DEREGISTER; + request->pad = 0; + request->srvid = tunnel_id; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_TUNNEL_DEREGISTER; +} + +int ctdb_reply_control_tunnel_deregister(struct ctdb_reply_control *reply) +{ + if (reply->rdata.opcode != CTDB_CONTROL_TUNNEL_DEREGISTER) { + return EPROTO; + } + + return reply->status; +} + +/* CTDB_CONTROL_VACUUM_FETCH */ + +void ctdb_req_control_vacuum_fetch(struct ctdb_req_control *request, + struct ctdb_rec_buffer *recbuf) +{ + request->opcode = CTDB_CONTROL_VACUUM_FETCH; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_VACUUM_FETCH; + request->rdata.data.recbuf = recbuf; +} + +int ctdb_reply_control_vacuum_fetch(struct ctdb_reply_control *reply) +{ + if (reply->rdata.opcode != CTDB_CONTROL_VACUUM_FETCH) { + return EPROTO; + } + + return reply->status; +} + +/* CTDB_CONTROL_DB_VACUUM */ + +void ctdb_req_control_db_vacuum(struct ctdb_req_control *request, + struct ctdb_db_vacuum *db_vacuum) +{ + request->opcode = CTDB_CONTROL_DB_VACUUM; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DB_VACUUM; + request->rdata.data.db_vacuum = db_vacuum; +} + +int ctdb_reply_control_db_vacuum(struct ctdb_reply_control *reply) +{ + if (reply->rdata.opcode != CTDB_CONTROL_DB_VACUUM) { + return EPROTO; + } + + return reply->status; +} + +/* CTDB_CONTROL_ECHO_DATA */ + +void ctdb_req_control_echo_data(struct ctdb_req_control *request, + struct ctdb_echo_data *echo_data) +{ + request->opcode = CTDB_CONTROL_ECHO_DATA; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_ECHO_DATA; + request->rdata.data.echo_data = echo_data; +} + +int ctdb_reply_control_echo_data(struct ctdb_reply_control *reply) +{ + if (reply->rdata.opcode != CTDB_CONTROL_ECHO_DATA) { + return EPROTO; + } + + return reply->status; +} + +/* CTDB_CONTROL_DISABLE_NODE */ + +void ctdb_req_control_disable_node(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_DISABLE_NODE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_DISABLE_NODE; +} + +int ctdb_reply_control_disable_node(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_DISABLE_NODE); +} + +/* CTDB_CONTROL_ENABLE_NODE */ + +void ctdb_req_control_enable_node(struct ctdb_req_control *request) +{ + request->opcode = CTDB_CONTROL_ENABLE_NODE; + request->pad = 0; + request->srvid = 0; + request->client_id = 0; + request->flags = 0; + + request->rdata.opcode = CTDB_CONTROL_ENABLE_NODE; +} + +int ctdb_reply_control_enable_node(struct ctdb_reply_control *reply) +{ + return ctdb_reply_control_generic(reply, CTDB_CONTROL_ENABLE_NODE); +} diff --git a/ctdb/protocol/protocol_control.c b/ctdb/protocol/protocol_control.c new file mode 100644 index 0000000..e449115 --- /dev/null +++ b/ctdb/protocol/protocol_control.c @@ -0,0 +1,2036 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> +#include <tdb.h> + +#include "protocol.h" +#include "protocol_api.h" +#include "protocol_private.h" + +static size_t ctdb_req_control_data_len(struct ctdb_req_control_data *cd) +{ + size_t len = 0; + uint32_t u32; + + if (cd == NULL) { + return 0; + } + + switch (cd->opcode) { + case CTDB_CONTROL_PROCESS_EXISTS: + len = ctdb_pid_len(&cd->data.pid); + break; + + case CTDB_CONTROL_STATISTICS: + break; + + case CTDB_CONTROL_PING: + break; + + case CTDB_CONTROL_GETDBPATH: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_GETVNNMAP: + break; + + case CTDB_CONTROL_SETVNNMAP: + len = ctdb_vnn_map_len(cd->data.vnnmap); + break; + + case CTDB_CONTROL_GET_DEBUG: + break; + + case CTDB_CONTROL_SET_DEBUG: + len = ctdb_uint32_len(&cd->data.loglevel); + break; + + case CTDB_CONTROL_GET_DBMAP: + break; + + case CTDB_CONTROL_GET_RECMODE: + break; + + case CTDB_CONTROL_SET_RECMODE: + len = ctdb_uint32_len(&cd->data.recmode); + break; + + case CTDB_CONTROL_STATISTICS_RESET: + break; + + case CTDB_CONTROL_DB_ATTACH: + len = ctdb_string_len(&cd->data.db_name); + break; + + case CTDB_CONTROL_TRAVERSE_START: + len = ctdb_traverse_start_len(cd->data.traverse_start); + break; + + case CTDB_CONTROL_TRAVERSE_ALL: + len = ctdb_traverse_all_len(cd->data.traverse_all); + break; + + case CTDB_CONTROL_TRAVERSE_DATA: + len = ctdb_rec_data_len(cd->data.rec_data); + break; + + case CTDB_CONTROL_REGISTER_SRVID: + break; + + case CTDB_CONTROL_DEREGISTER_SRVID: + break; + + case CTDB_CONTROL_GET_DBNAME: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_ENABLE_SEQNUM: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_UPDATE_SEQNUM: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_DUMP_MEMORY: + break; + + case CTDB_CONTROL_GET_PID: + break; + + case CTDB_CONTROL_FREEZE: + break; + + case CTDB_CONTROL_GET_PNN: + break; + + case CTDB_CONTROL_SHUTDOWN: + break; + + case CTDB_CONTROL_TCP_CLIENT: + len = ctdb_connection_len(cd->data.conn); + break; + + case CTDB_CONTROL_TCP_ADD: + len = ctdb_connection_len(cd->data.conn); + break; + + case CTDB_CONTROL_TCP_REMOVE: + len = ctdb_connection_len(cd->data.conn); + break; + + case CTDB_CONTROL_STARTUP: + break; + + case CTDB_CONTROL_SET_TUNABLE: + len = ctdb_tunable_len(cd->data.tunable); + break; + + case CTDB_CONTROL_GET_TUNABLE: + len = ctdb_stringn_len(&cd->data.tun_var); + break; + + case CTDB_CONTROL_LIST_TUNABLES: + break; + + case CTDB_CONTROL_MODIFY_FLAGS: + len = ctdb_node_flag_change_len(cd->data.flag_change); + break; + + case CTDB_CONTROL_GET_ALL_TUNABLES: + break; + + case CTDB_CONTROL_GET_TCP_TICKLE_LIST: + len = ctdb_sock_addr_len(cd->data.addr); + break; + + case CTDB_CONTROL_SET_TCP_TICKLE_LIST: + len = ctdb_tickle_list_len(cd->data.tickles); + break; + + case CTDB_CONTROL_DB_ATTACH_PERSISTENT: + len = ctdb_string_len(&cd->data.db_name); + break; + + case CTDB_CONTROL_UPDATE_RECORD: + len = ctdb_rec_buffer_len(cd->data.recbuf); + break; + + case CTDB_CONTROL_SEND_GRATUITOUS_ARP: + len = ctdb_addr_info_len(cd->data.addr_info); + break; + + case CTDB_CONTROL_WIPE_DATABASE: + len = ctdb_transdb_len(cd->data.transdb); + break; + + case CTDB_CONTROL_UPTIME: + break; + + case CTDB_CONTROL_START_RECOVERY: + break; + + case CTDB_CONTROL_END_RECOVERY: + break; + + case CTDB_CONTROL_RELOAD_NODES_FILE: + break; + + case CTDB_CONTROL_TRY_DELETE_RECORDS: + len = ctdb_rec_buffer_len(cd->data.recbuf); + break; + + case CTDB_CONTROL_ADD_PUBLIC_IP: + len = ctdb_addr_info_len(cd->data.addr_info); + break; + + case CTDB_CONTROL_DEL_PUBLIC_IP: + len = ctdb_addr_info_len(cd->data.addr_info); + break; + + case CTDB_CONTROL_GET_CAPABILITIES: + break; + + case CTDB_CONTROL_RECD_PING: + break; + + case CTDB_CONTROL_RELEASE_IP: + len = ctdb_public_ip_len(cd->data.pubip); + break; + + case CTDB_CONTROL_TAKEOVER_IP: + len = ctdb_public_ip_len(cd->data.pubip); + break; + + case CTDB_CONTROL_GET_PUBLIC_IPS: + break; + + case CTDB_CONTROL_GET_NODEMAP: + break; + + case CTDB_CONTROL_TRAVERSE_KILL: + len = ctdb_traverse_start_len(cd->data.traverse_start); + break; + + case CTDB_CONTROL_RECD_RECLOCK_LATENCY: + len = ctdb_double_len(&cd->data.reclock_latency); + break; + + case CTDB_CONTROL_GET_RECLOCK_FILE: + break; + + case CTDB_CONTROL_STOP_NODE: + break; + + case CTDB_CONTROL_CONTINUE_NODE: + break; + + case CTDB_CONTROL_SET_LMASTERROLE: + len = ctdb_uint32_len(&cd->data.role); + break; + + case CTDB_CONTROL_SET_RECMASTERROLE: + len = ctdb_uint32_len(&cd->data.role); + break; + + case CTDB_CONTROL_SET_BAN_STATE: + len = ctdb_ban_state_len(cd->data.ban_state); + break; + + case CTDB_CONTROL_GET_BAN_STATE: + break; + + case CTDB_CONTROL_REGISTER_NOTIFY: + len = ctdb_notify_data_len(cd->data.notify); + break; + + case CTDB_CONTROL_DEREGISTER_NOTIFY: + len = ctdb_uint64_len(&cd->data.srvid); + break; + + case CTDB_CONTROL_TRANS3_COMMIT: + len = ctdb_rec_buffer_len(cd->data.recbuf); + break; + + case CTDB_CONTROL_GET_DB_SEQNUM: + u32 = 0; + len = ctdb_uint32_len(&cd->data.db_id) + ctdb_uint32_len(&u32); + break; + + case CTDB_CONTROL_DB_SET_HEALTHY: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_DB_GET_HEALTH: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_GET_PUBLIC_IP_INFO: + len = ctdb_sock_addr_len(cd->data.addr); + break; + + case CTDB_CONTROL_GET_IFACES: + break; + + case CTDB_CONTROL_SET_IFACE_LINK_STATE: + len = ctdb_iface_len(cd->data.iface); + break; + + case CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE: + len = ctdb_connection_len(cd->data.conn); + break; + + case CTDB_CONTROL_GET_STAT_HISTORY: + break; + + case CTDB_CONTROL_SCHEDULE_FOR_DELETION: + len = ctdb_key_data_len(cd->data.key); + break; + + case CTDB_CONTROL_SET_DB_READONLY: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_TRAVERSE_START_EXT: + len = ctdb_traverse_start_ext_len(cd->data.traverse_start_ext); + break; + + case CTDB_CONTROL_GET_DB_STATISTICS: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_SET_DB_STICKY: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_RELOAD_PUBLIC_IPS: + break; + + case CTDB_CONTROL_TRAVERSE_ALL_EXT: + len = ctdb_traverse_all_ext_len(cd->data.traverse_all_ext); + break; + + case CTDB_CONTROL_IPREALLOCATED: + break; + + case CTDB_CONTROL_GET_RUNSTATE: + break; + + case CTDB_CONTROL_DB_DETACH: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_GET_NODES_FILE: + break; + + case CTDB_CONTROL_DB_FREEZE: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_DB_THAW: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_DB_TRANSACTION_START: + len = ctdb_transdb_len(cd->data.transdb); + break; + + case CTDB_CONTROL_DB_TRANSACTION_COMMIT: + len = ctdb_transdb_len(cd->data.transdb); + break; + + case CTDB_CONTROL_DB_TRANSACTION_CANCEL: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_DB_PULL: + len = ctdb_pulldb_ext_len(cd->data.pulldb_ext); + break; + + case CTDB_CONTROL_DB_PUSH_START: + len = ctdb_pulldb_ext_len(cd->data.pulldb_ext); + break; + + case CTDB_CONTROL_DB_PUSH_CONFIRM: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_DB_OPEN_FLAGS: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_DB_ATTACH_REPLICATED: + len = ctdb_string_len(&cd->data.db_name); + break; + + case CTDB_CONTROL_CHECK_PID_SRVID: + len = ctdb_pid_srvid_len(cd->data.pid_srvid); + break; + + case CTDB_CONTROL_TUNNEL_REGISTER: + break; + + case CTDB_CONTROL_TUNNEL_DEREGISTER: + break; + + case CTDB_CONTROL_VACUUM_FETCH: + len = ctdb_rec_buffer_len(cd->data.recbuf); + break; + + case CTDB_CONTROL_DB_VACUUM: + len = ctdb_db_vacuum_len(cd->data.db_vacuum); + break; + + case CTDB_CONTROL_ECHO_DATA: + len = ctdb_echo_data_len(cd->data.echo_data); + break; + + case CTDB_CONTROL_DISABLE_NODE: + break; + + case CTDB_CONTROL_ENABLE_NODE: + break; + + case CTDB_CONTROL_TCP_CLIENT_DISCONNECTED: + len = ctdb_connection_len(cd->data.conn); + break; + + case CTDB_CONTROL_TCP_CLIENT_PASSED: + len = ctdb_connection_len(cd->data.conn); + break; + } + + return len; +} + +static void ctdb_req_control_data_push(struct ctdb_req_control_data *cd, + uint8_t *buf, size_t *npush) +{ + size_t np = 0, offset; + uint32_t u32; + + switch (cd->opcode) { + case CTDB_CONTROL_PROCESS_EXISTS: + ctdb_pid_push(&cd->data.pid, buf, &np); + break; + + case CTDB_CONTROL_GETDBPATH: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_SETVNNMAP: + ctdb_vnn_map_push(cd->data.vnnmap, buf, &np); + break; + + case CTDB_CONTROL_SET_DEBUG: + ctdb_uint32_push(&cd->data.loglevel, buf, &np); + break; + + case CTDB_CONTROL_SET_RECMODE: + ctdb_uint32_push(&cd->data.recmode, buf, &np); + break; + + case CTDB_CONTROL_DB_ATTACH: + ctdb_string_push(&cd->data.db_name, buf, &np); + break; + + case CTDB_CONTROL_TRAVERSE_START: + ctdb_traverse_start_push(cd->data.traverse_start, buf, &np); + break; + + case CTDB_CONTROL_TRAVERSE_ALL: + ctdb_traverse_all_push(cd->data.traverse_all, buf, &np); + break; + + case CTDB_CONTROL_TRAVERSE_DATA: + ctdb_rec_data_push(cd->data.rec_data, buf, &np); + break; + + case CTDB_CONTROL_GET_DBNAME: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_ENABLE_SEQNUM: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_UPDATE_SEQNUM: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_TCP_CLIENT: + ctdb_connection_push(cd->data.conn, buf, &np); + break; + + case CTDB_CONTROL_TCP_ADD: + ctdb_connection_push(cd->data.conn, buf, &np); + break; + + case CTDB_CONTROL_TCP_REMOVE: + ctdb_connection_push(cd->data.conn, buf, &np); + break; + + case CTDB_CONTROL_SET_TUNABLE: + ctdb_tunable_push(cd->data.tunable, buf, &np); + break; + + case CTDB_CONTROL_GET_TUNABLE: + ctdb_stringn_push(&cd->data.tun_var, buf, &np); + break; + + case CTDB_CONTROL_MODIFY_FLAGS: + ctdb_node_flag_change_push(cd->data.flag_change, buf, &np); + break; + + case CTDB_CONTROL_GET_TCP_TICKLE_LIST: + ctdb_sock_addr_push(cd->data.addr, buf, &np); + break; + + case CTDB_CONTROL_SET_TCP_TICKLE_LIST: + ctdb_tickle_list_push(cd->data.tickles, buf, &np); + break; + + case CTDB_CONTROL_DB_ATTACH_PERSISTENT: + ctdb_string_push(&cd->data.db_name, buf, &np); + break; + + case CTDB_CONTROL_UPDATE_RECORD: + ctdb_rec_buffer_push(cd->data.recbuf, buf, &np); + break; + + case CTDB_CONTROL_SEND_GRATUITOUS_ARP: + ctdb_addr_info_push(cd->data.addr_info, buf, &np); + break; + + case CTDB_CONTROL_WIPE_DATABASE: + ctdb_transdb_push(cd->data.transdb, buf, &np); + break; + + case CTDB_CONTROL_TRY_DELETE_RECORDS: + ctdb_rec_buffer_push(cd->data.recbuf, buf, &np); + break; + + case CTDB_CONTROL_ADD_PUBLIC_IP: + ctdb_addr_info_push(cd->data.addr_info, buf, &np); + break; + + case CTDB_CONTROL_DEL_PUBLIC_IP: + ctdb_addr_info_push(cd->data.addr_info, buf, &np); + break; + + case CTDB_CONTROL_RELEASE_IP: + ctdb_public_ip_push(cd->data.pubip, buf, &np); + break; + + case CTDB_CONTROL_TAKEOVER_IP: + ctdb_public_ip_push(cd->data.pubip, buf, &np); + break; + + case CTDB_CONTROL_TRAVERSE_KILL: + ctdb_traverse_start_push(cd->data.traverse_start, buf, &np); + break; + + case CTDB_CONTROL_RECD_RECLOCK_LATENCY: + ctdb_double_push(&cd->data.reclock_latency, buf, &np); + break; + + case CTDB_CONTROL_SET_LMASTERROLE: + ctdb_uint32_push(&cd->data.role, buf, &np); + break; + + case CTDB_CONTROL_SET_RECMASTERROLE: + ctdb_uint32_push(&cd->data.role, buf, &np); + break; + + case CTDB_CONTROL_SET_BAN_STATE: + ctdb_ban_state_push(cd->data.ban_state, buf, &np); + break; + + case CTDB_CONTROL_REGISTER_NOTIFY: + ctdb_notify_data_push(cd->data.notify, buf, &np); + break; + + case CTDB_CONTROL_DEREGISTER_NOTIFY: + ctdb_uint64_push(&cd->data.srvid, buf, &np); + break; + + case CTDB_CONTROL_TRANS3_COMMIT: + ctdb_rec_buffer_push(cd->data.recbuf, buf, &np); + break; + + case CTDB_CONTROL_GET_DB_SEQNUM: + u32 = 0; + offset = 0; + ctdb_uint32_push(&cd->data.db_id, buf, &np); + offset += np; + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + np = offset; + break; + + case CTDB_CONTROL_DB_SET_HEALTHY: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_DB_GET_HEALTH: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_GET_PUBLIC_IP_INFO: + ctdb_sock_addr_push(cd->data.addr, buf, &np); + break; + + case CTDB_CONTROL_SET_IFACE_LINK_STATE: + ctdb_iface_push(cd->data.iface, buf, &np); + break; + + case CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE: + ctdb_connection_push(cd->data.conn, buf, &np); + break; + + case CTDB_CONTROL_SCHEDULE_FOR_DELETION: + ctdb_key_data_push(cd->data.key, buf, &np); + break; + + case CTDB_CONTROL_SET_DB_READONLY: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_TRAVERSE_START_EXT: + ctdb_traverse_start_ext_push(cd->data.traverse_start_ext, buf, + &np); + break; + + case CTDB_CONTROL_GET_DB_STATISTICS: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_SET_DB_STICKY: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_TRAVERSE_ALL_EXT: + ctdb_traverse_all_ext_push(cd->data.traverse_all_ext, buf, + &np); + break; + + case CTDB_CONTROL_DB_DETACH: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_DB_FREEZE: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_DB_THAW: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_DB_TRANSACTION_START: + ctdb_transdb_push(cd->data.transdb, buf, &np); + break; + + case CTDB_CONTROL_DB_TRANSACTION_COMMIT: + ctdb_transdb_push(cd->data.transdb, buf, &np); + break; + + case CTDB_CONTROL_DB_TRANSACTION_CANCEL: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_DB_PULL: + ctdb_pulldb_ext_push(cd->data.pulldb_ext, buf, &np); + break; + + case CTDB_CONTROL_DB_PUSH_START: + ctdb_pulldb_ext_push(cd->data.pulldb_ext, buf, &np); + break; + + case CTDB_CONTROL_DB_PUSH_CONFIRM: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_DB_OPEN_FLAGS: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_DB_ATTACH_REPLICATED: + ctdb_string_push(&cd->data.db_name, buf, &np); + break; + + case CTDB_CONTROL_CHECK_PID_SRVID: + ctdb_pid_srvid_push(cd->data.pid_srvid, buf, &np); + break; + + case CTDB_CONTROL_VACUUM_FETCH: + ctdb_rec_buffer_push(cd->data.recbuf, buf, &np); + break; + + case CTDB_CONTROL_DB_VACUUM: + ctdb_db_vacuum_push(cd->data.db_vacuum, buf, &np); + break; + + case CTDB_CONTROL_ECHO_DATA: + ctdb_echo_data_push(cd->data.echo_data, buf, &np); + break; + + case CTDB_CONTROL_TCP_CLIENT_DISCONNECTED: + ctdb_connection_push(cd->data.conn, buf, &np); + break; + + case CTDB_CONTROL_TCP_CLIENT_PASSED: + ctdb_connection_push(cd->data.conn, buf, &np); + break; + } + + *npush = np; +} + +static int ctdb_req_control_data_pull(uint8_t *buf, size_t buflen, + uint32_t opcode, + TALLOC_CTX *mem_ctx, + struct ctdb_req_control_data *cd, + size_t *npull) +{ + size_t np = 0, offset; + uint32_t u32; + int ret = 0; + + cd->opcode = opcode; + + switch (opcode) { + case CTDB_CONTROL_PROCESS_EXISTS: + ret = ctdb_pid_pull(buf, buflen, &cd->data.pid, &np); + break; + + case CTDB_CONTROL_GETDBPATH: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_SETVNNMAP: + ret = ctdb_vnn_map_pull(buf, buflen, mem_ctx, + &cd->data.vnnmap, &np); + break; + + case CTDB_CONTROL_SET_DEBUG: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.loglevel, &np); + break; + + case CTDB_CONTROL_SET_RECMODE: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.recmode, &np); + break; + + case CTDB_CONTROL_DB_ATTACH: + ret = ctdb_string_pull(buf, buflen, mem_ctx, + &cd->data.db_name, &np); + break; + + case CTDB_CONTROL_TRAVERSE_START: + ret = ctdb_traverse_start_pull(buf, buflen, mem_ctx, + &cd->data.traverse_start, &np); + break; + + case CTDB_CONTROL_TRAVERSE_ALL: + ret = ctdb_traverse_all_pull(buf, buflen, mem_ctx, + &cd->data.traverse_all, &np); + break; + + case CTDB_CONTROL_TRAVERSE_DATA: + ret = ctdb_rec_data_pull(buf, buflen, mem_ctx, + &cd->data.rec_data, &np); + break; + + case CTDB_CONTROL_GET_DBNAME: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_ENABLE_SEQNUM: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_UPDATE_SEQNUM: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_TCP_CLIENT: + ret = ctdb_connection_pull(buf, buflen, mem_ctx, + &cd->data.conn, &np); + break; + + case CTDB_CONTROL_TCP_ADD: + ret = ctdb_connection_pull(buf, buflen, mem_ctx, + &cd->data.conn, &np); + break; + + case CTDB_CONTROL_TCP_REMOVE: + ret = ctdb_connection_pull(buf, buflen, mem_ctx, + &cd->data.conn, &np); + break; + + case CTDB_CONTROL_SET_TUNABLE: + ret = ctdb_tunable_pull(buf, buflen, mem_ctx, + &cd->data.tunable, &np); + break; + + case CTDB_CONTROL_GET_TUNABLE: + ret = ctdb_stringn_pull(buf, buflen, mem_ctx, + &cd->data.tun_var, &np); + break; + + case CTDB_CONTROL_MODIFY_FLAGS: + ret = ctdb_node_flag_change_pull(buf, buflen, mem_ctx, + &cd->data.flag_change, &np); + break; + + case CTDB_CONTROL_GET_TCP_TICKLE_LIST: + ret = ctdb_sock_addr_pull(buf, buflen, mem_ctx, + &cd->data.addr, &np); + break; + + case CTDB_CONTROL_SET_TCP_TICKLE_LIST: + ret = ctdb_tickle_list_pull(buf, buflen, mem_ctx, + &cd->data.tickles, &np); + break; + + case CTDB_CONTROL_DB_ATTACH_PERSISTENT: + ret = ctdb_string_pull(buf, buflen, mem_ctx, + &cd->data.db_name, &np); + break; + + case CTDB_CONTROL_UPDATE_RECORD: + ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx, + &cd->data.recbuf, &np); + break; + + case CTDB_CONTROL_SEND_GRATUITOUS_ARP: + ret = ctdb_addr_info_pull(buf, buflen, mem_ctx, + &cd->data.addr_info, &np); + break; + + case CTDB_CONTROL_WIPE_DATABASE: + ret = ctdb_transdb_pull(buf, buflen, mem_ctx, + &cd->data.transdb, &np); + break; + + case CTDB_CONTROL_TRY_DELETE_RECORDS: + ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx, + &cd->data.recbuf, &np); + break; + + case CTDB_CONTROL_ADD_PUBLIC_IP: + ret = ctdb_addr_info_pull(buf, buflen, mem_ctx, + &cd->data.addr_info, &np); + break; + + case CTDB_CONTROL_DEL_PUBLIC_IP: + ret = ctdb_addr_info_pull(buf, buflen, mem_ctx, + &cd->data.addr_info, &np); + break; + + case CTDB_CONTROL_RELEASE_IP: + ret = ctdb_public_ip_pull(buf, buflen, mem_ctx, + &cd->data.pubip, &np); + break; + + case CTDB_CONTROL_TAKEOVER_IP: + ret = ctdb_public_ip_pull(buf, buflen, mem_ctx, + &cd->data.pubip, &np); + break; + + case CTDB_CONTROL_TRAVERSE_KILL: + ret = ctdb_traverse_start_pull(buf, buflen, mem_ctx, + &cd->data.traverse_start, &np); + break; + + case CTDB_CONTROL_RECD_RECLOCK_LATENCY: + ret = ctdb_double_pull(buf, buflen, &cd->data.reclock_latency, + &np); + break; + + case CTDB_CONTROL_SET_LMASTERROLE: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.role, &np); + break; + + case CTDB_CONTROL_SET_RECMASTERROLE: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.role, &np); + break; + + case CTDB_CONTROL_SET_BAN_STATE: + ret = ctdb_ban_state_pull(buf, buflen, mem_ctx, + &cd->data.ban_state, &np); + break; + + case CTDB_CONTROL_REGISTER_NOTIFY: + ret = ctdb_notify_data_pull(buf, buflen, mem_ctx, + &cd->data.notify, &np); + break; + + case CTDB_CONTROL_DEREGISTER_NOTIFY: + ret = ctdb_uint64_pull(buf, buflen, &cd->data.srvid, &np); + break; + + case CTDB_CONTROL_TRANS3_COMMIT: + ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx, + &cd->data.recbuf, &np); + break; + + case CTDB_CONTROL_GET_DB_SEQNUM: + offset = 0; + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + if (ret != 0) { + break; + } + offset += np; + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + offset += np; + np = offset; + break; + + case CTDB_CONTROL_DB_SET_HEALTHY: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_DB_GET_HEALTH: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_GET_PUBLIC_IP_INFO: + ret = ctdb_sock_addr_pull(buf, buflen, mem_ctx, + &cd->data.addr, &np); + break; + + case CTDB_CONTROL_SET_IFACE_LINK_STATE: + ret = ctdb_iface_pull(buf, buflen, mem_ctx, + &cd->data.iface, &np); + break; + + case CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE: + ret = ctdb_connection_pull(buf, buflen, mem_ctx, + &cd->data.conn, &np); + break; + + case CTDB_CONTROL_SCHEDULE_FOR_DELETION: + ret = ctdb_key_data_pull(buf, buflen, mem_ctx, + &cd->data.key, &np); + break; + + case CTDB_CONTROL_SET_DB_READONLY: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_TRAVERSE_START_EXT: + ret = ctdb_traverse_start_ext_pull(buf, buflen, mem_ctx, + &cd->data.traverse_start_ext, + &np); + break; + + case CTDB_CONTROL_GET_DB_STATISTICS: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_SET_DB_STICKY: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_TRAVERSE_ALL_EXT: + ret = ctdb_traverse_all_ext_pull(buf, buflen, mem_ctx, + &cd->data.traverse_all_ext, + &np); + break; + + case CTDB_CONTROL_DB_DETACH: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_DB_FREEZE: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_DB_THAW: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_DB_TRANSACTION_START: + ret = ctdb_transdb_pull(buf, buflen, mem_ctx, + &cd->data.transdb, &np); + break; + + case CTDB_CONTROL_DB_TRANSACTION_COMMIT: + ret = ctdb_transdb_pull(buf, buflen, mem_ctx, + &cd->data.transdb, &np); + break; + + case CTDB_CONTROL_DB_TRANSACTION_CANCEL: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_DB_PULL: + ret = ctdb_pulldb_ext_pull(buf, buflen, mem_ctx, + &cd->data.pulldb_ext, &np); + break; + + case CTDB_CONTROL_DB_PUSH_START: + ret = ctdb_pulldb_ext_pull(buf, buflen, mem_ctx, + &cd->data.pulldb_ext, &np); + break; + + case CTDB_CONTROL_DB_PUSH_CONFIRM: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_DB_OPEN_FLAGS: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_DB_ATTACH_REPLICATED: + ret = ctdb_string_pull(buf, buflen, mem_ctx, + &cd->data.db_name, &np); + break; + + case CTDB_CONTROL_CHECK_PID_SRVID: + ret = ctdb_pid_srvid_pull(buf, buflen, mem_ctx, + &cd->data.pid_srvid, &np); + break; + + case CTDB_CONTROL_VACUUM_FETCH: + ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx, + &cd->data.recbuf, &np); + break; + + case CTDB_CONTROL_DB_VACUUM: + ret = ctdb_db_vacuum_pull(buf, + buflen, + mem_ctx, + &cd->data.db_vacuum, + &np); + break; + + case CTDB_CONTROL_ECHO_DATA: + ret = ctdb_echo_data_pull(buf, + buflen, + mem_ctx, + &cd->data.echo_data, + &np); + break; + + case CTDB_CONTROL_TCP_CLIENT_DISCONNECTED: + ret = ctdb_connection_pull(buf, + buflen, + mem_ctx, + &cd->data.conn, + &np); + break; + + case CTDB_CONTROL_TCP_CLIENT_PASSED: + ret = ctdb_connection_pull(buf, + buflen, + mem_ctx, + &cd->data.conn, + &np); + break; + } + + if (ret != 0) { + return ret; + } + + *npull = np; + return 0; +} + +static size_t ctdb_reply_control_data_len(struct ctdb_reply_control_data *cd) +{ + size_t len = 0; + + if (cd == NULL) { + return 0; + } + + switch (cd->opcode) { + case CTDB_CONTROL_PROCESS_EXISTS: + break; + + case CTDB_CONTROL_STATISTICS: + len = ctdb_statistics_len(cd->data.stats); + break; + + case CTDB_CONTROL_PING: + break; + + case CTDB_CONTROL_GETDBPATH: + len = ctdb_string_len(&cd->data.db_path); + break; + + case CTDB_CONTROL_GETVNNMAP: + len = ctdb_vnn_map_len(cd->data.vnnmap); + break; + + case CTDB_CONTROL_SETVNNMAP: + break; + + case CTDB_CONTROL_GET_DEBUG: + len = ctdb_uint32_len(&cd->data.loglevel); + break; + + case CTDB_CONTROL_SET_DEBUG: + break; + + case CTDB_CONTROL_GET_DBMAP: + len = ctdb_dbid_map_len(cd->data.dbmap); + break; + + case CTDB_CONTROL_GET_RECMODE: + break; + + case CTDB_CONTROL_SET_RECMODE: + break; + + case CTDB_CONTROL_STATISTICS_RESET: + break; + + case CTDB_CONTROL_DB_ATTACH: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_TRAVERSE_START: + break; + + case CTDB_CONTROL_TRAVERSE_ALL: + break; + + case CTDB_CONTROL_TRAVERSE_DATA: + break; + + case CTDB_CONTROL_REGISTER_SRVID: + break; + + case CTDB_CONTROL_DEREGISTER_SRVID: + break; + + case CTDB_CONTROL_GET_DBNAME: + len = ctdb_string_len(&cd->data.db_name); + break; + + case CTDB_CONTROL_ENABLE_SEQNUM: + break; + + case CTDB_CONTROL_UPDATE_SEQNUM: + break; + + case CTDB_CONTROL_DUMP_MEMORY: + len = ctdb_string_len(&cd->data.mem_str); + break; + + case CTDB_CONTROL_GET_PID: + break; + + case CTDB_CONTROL_FREEZE: + break; + + case CTDB_CONTROL_GET_PNN: + break; + + case CTDB_CONTROL_SHUTDOWN: + break; + + case CTDB_CONTROL_TCP_CLIENT: + break; + + case CTDB_CONTROL_TCP_ADD: + break; + + case CTDB_CONTROL_TCP_REMOVE: + break; + + case CTDB_CONTROL_STARTUP: + break; + + case CTDB_CONTROL_SET_TUNABLE: + break; + + case CTDB_CONTROL_GET_TUNABLE: + len = ctdb_uint32_len(&cd->data.tun_value); + break; + + case CTDB_CONTROL_LIST_TUNABLES: + len = ctdb_var_list_len(cd->data.tun_var_list); + break; + + case CTDB_CONTROL_MODIFY_FLAGS: + break; + + case CTDB_CONTROL_GET_ALL_TUNABLES: + len = ctdb_tunable_list_len(cd->data.tun_list); + break; + + case CTDB_CONTROL_GET_TCP_TICKLE_LIST: + len = ctdb_tickle_list_len(cd->data.tickles); + break; + + case CTDB_CONTROL_SET_TCP_TICKLE_LIST: + break; + + case CTDB_CONTROL_DB_ATTACH_PERSISTENT: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_UPDATE_RECORD: + break; + + case CTDB_CONTROL_SEND_GRATUITOUS_ARP: + break; + + case CTDB_CONTROL_WIPE_DATABASE: + break; + + case CTDB_CONTROL_UPTIME: + len = ctdb_uptime_len(cd->data.uptime); + break; + + case CTDB_CONTROL_START_RECOVERY: + break; + + case CTDB_CONTROL_END_RECOVERY: + break; + + case CTDB_CONTROL_RELOAD_NODES_FILE: + break; + + case CTDB_CONTROL_TRY_DELETE_RECORDS: + len = ctdb_rec_buffer_len(cd->data.recbuf); + break; + + case CTDB_CONTROL_ADD_PUBLIC_IP: + break; + + case CTDB_CONTROL_DEL_PUBLIC_IP: + break; + + case CTDB_CONTROL_GET_CAPABILITIES: + len = ctdb_uint32_len(&cd->data.caps); + break; + + case CTDB_CONTROL_RECD_PING: + break; + + case CTDB_CONTROL_RELEASE_IP: + break; + + case CTDB_CONTROL_TAKEOVER_IP: + break; + + case CTDB_CONTROL_GET_PUBLIC_IPS: + len = ctdb_public_ip_list_len(cd->data.pubip_list); + break; + + case CTDB_CONTROL_GET_NODEMAP: + len = ctdb_node_map_len(cd->data.nodemap); + break; + + case CTDB_CONTROL_TRAVERSE_KILL: + break; + + case CTDB_CONTROL_RECD_RECLOCK_LATENCY: + break; + + case CTDB_CONTROL_GET_RECLOCK_FILE: + len = ctdb_string_len(&cd->data.reclock_file); + break; + + case CTDB_CONTROL_STOP_NODE: + break; + + case CTDB_CONTROL_CONTINUE_NODE: + break; + + case CTDB_CONTROL_SET_LMASTERROLE: + break; + + case CTDB_CONTROL_SET_RECMASTERROLE: + break; + + case CTDB_CONTROL_SET_BAN_STATE: + break; + + case CTDB_CONTROL_GET_BAN_STATE: + len = ctdb_ban_state_len(cd->data.ban_state); + break; + + case CTDB_CONTROL_REGISTER_NOTIFY: + break; + + case CTDB_CONTROL_DEREGISTER_NOTIFY: + break; + + case CTDB_CONTROL_TRANS3_COMMIT: + break; + + case CTDB_CONTROL_GET_DB_SEQNUM: + len = ctdb_uint64_len(&cd->data.seqnum); + break; + + case CTDB_CONTROL_DB_SET_HEALTHY: + break; + + case CTDB_CONTROL_DB_GET_HEALTH: + len = ctdb_string_len(&cd->data.reason); + break; + + case CTDB_CONTROL_GET_PUBLIC_IP_INFO: + len = ctdb_public_ip_info_len(cd->data.ipinfo); + break; + + case CTDB_CONTROL_GET_IFACES: + len = ctdb_iface_list_len(cd->data.iface_list); + break; + + case CTDB_CONTROL_SET_IFACE_LINK_STATE: + break; + + case CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE: + break; + + case CTDB_CONTROL_GET_STAT_HISTORY: + len = ctdb_statistics_list_len(cd->data.stats_list); + break; + + case CTDB_CONTROL_SCHEDULE_FOR_DELETION: + break; + + case CTDB_CONTROL_SET_DB_READONLY: + break; + + case CTDB_CONTROL_TRAVERSE_START_EXT: + break; + + case CTDB_CONTROL_GET_DB_STATISTICS: + len = ctdb_db_statistics_len(cd->data.dbstats); + break; + + case CTDB_CONTROL_SET_DB_STICKY: + break; + + case CTDB_CONTROL_RELOAD_PUBLIC_IPS: + break; + + case CTDB_CONTROL_TRAVERSE_ALL_EXT: + break; + + case CTDB_CONTROL_IPREALLOCATED: + break; + + case CTDB_CONTROL_GET_RUNSTATE: + len = ctdb_uint32_len(&cd->data.runstate); + break; + + case CTDB_CONTROL_DB_DETACH: + break; + + case CTDB_CONTROL_GET_NODES_FILE: + len = ctdb_node_map_len(cd->data.nodemap); + break; + + case CTDB_CONTROL_DB_FREEZE: + break; + + case CTDB_CONTROL_DB_THAW: + break; + + case CTDB_CONTROL_DB_TRANSACTION_START: + break; + + case CTDB_CONTROL_DB_TRANSACTION_COMMIT: + break; + + case CTDB_CONTROL_DB_TRANSACTION_CANCEL: + break; + + case CTDB_CONTROL_DB_PULL: + len = ctdb_uint32_len(&cd->data.num_records); + break; + + case CTDB_CONTROL_DB_PUSH_START: + break; + + case CTDB_CONTROL_DB_PUSH_CONFIRM: + len = ctdb_uint32_len(&cd->data.num_records); + break; + + case CTDB_CONTROL_DB_OPEN_FLAGS: + len = ctdb_int32_len(&cd->data.tdb_flags); + break; + + case CTDB_CONTROL_DB_ATTACH_REPLICATED: + len = ctdb_uint32_len(&cd->data.db_id); + break; + + case CTDB_CONTROL_CHECK_PID_SRVID: + break; + + case CTDB_CONTROL_TUNNEL_REGISTER: + break; + + case CTDB_CONTROL_TUNNEL_DEREGISTER: + break; + + case CTDB_CONTROL_VACUUM_FETCH: + break; + + case CTDB_CONTROL_DB_VACUUM: + break; + + case CTDB_CONTROL_ECHO_DATA: + len = ctdb_echo_data_len(cd->data.echo_data); + break; + + case CTDB_CONTROL_DISABLE_NODE: + break; + + case CTDB_CONTROL_ENABLE_NODE: + break; + + case CTDB_CONTROL_TCP_CLIENT_DISCONNECTED: + break; + + case CTDB_CONTROL_TCP_CLIENT_PASSED: + break; + } + + return len; +} + +static void ctdb_reply_control_data_push(struct ctdb_reply_control_data *cd, + uint8_t *buf, size_t *npush) +{ + size_t np = 0; + + switch (cd->opcode) { + case CTDB_CONTROL_STATISTICS: + ctdb_statistics_push(cd->data.stats, buf, &np); + break; + + case CTDB_CONTROL_GETDBPATH: + ctdb_string_push(&cd->data.db_path, buf, &np); + break; + + case CTDB_CONTROL_GETVNNMAP: + ctdb_vnn_map_push(cd->data.vnnmap, buf, &np); + break; + + case CTDB_CONTROL_GET_DEBUG: + ctdb_uint32_push(&cd->data.loglevel, buf, &np); + break; + + case CTDB_CONTROL_GET_DBMAP: + ctdb_dbid_map_push(cd->data.dbmap, buf, &np); + break; + + case CTDB_CONTROL_DB_ATTACH: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_GET_DBNAME: + ctdb_string_push(&cd->data.db_name, buf, &np); + break; + + case CTDB_CONTROL_DUMP_MEMORY: + ctdb_string_push(&cd->data.mem_str, buf, &np); + break; + + case CTDB_CONTROL_GET_PID: + break; + + case CTDB_CONTROL_GET_TUNABLE: + ctdb_uint32_push(&cd->data.tun_value, buf, &np); + break; + + case CTDB_CONTROL_LIST_TUNABLES: + ctdb_var_list_push(cd->data.tun_var_list, buf, &np); + break; + + case CTDB_CONTROL_GET_ALL_TUNABLES: + ctdb_tunable_list_push(cd->data.tun_list, buf, &np); + break; + + case CTDB_CONTROL_GET_TCP_TICKLE_LIST: + ctdb_tickle_list_push(cd->data.tickles, buf, &np); + break; + + case CTDB_CONTROL_DB_ATTACH_PERSISTENT: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_UPTIME: + ctdb_uptime_push(cd->data.uptime, buf, &np); + break; + + case CTDB_CONTROL_TRY_DELETE_RECORDS: + ctdb_rec_buffer_push(cd->data.recbuf, buf, &np); + break; + + case CTDB_CONTROL_GET_CAPABILITIES: + ctdb_uint32_push(&cd->data.caps, buf, &np); + break; + + case CTDB_CONTROL_GET_PUBLIC_IPS: + ctdb_public_ip_list_push(cd->data.pubip_list, buf, &np); + break; + + case CTDB_CONTROL_GET_NODEMAP: + ctdb_node_map_push(cd->data.nodemap, buf, &np); + break; + + case CTDB_CONTROL_GET_RECLOCK_FILE: + ctdb_string_push(&cd->data.reclock_file, buf, &np); + break; + + case CTDB_CONTROL_GET_BAN_STATE: + ctdb_ban_state_push(cd->data.ban_state, buf, &np); + break; + + case CTDB_CONTROL_GET_DB_SEQNUM: + ctdb_uint64_push(&cd->data.seqnum, buf, &np); + break; + + case CTDB_CONTROL_DB_GET_HEALTH: + ctdb_string_push(&cd->data.reason, buf, &np); + break; + + case CTDB_CONTROL_GET_PUBLIC_IP_INFO: + ctdb_public_ip_info_push(cd->data.ipinfo, buf, &np); + break; + + case CTDB_CONTROL_GET_IFACES: + ctdb_iface_list_push(cd->data.iface_list, buf, &np); + break; + + case CTDB_CONTROL_GET_STAT_HISTORY: + ctdb_statistics_list_push(cd->data.stats_list, buf, &np); + break; + + case CTDB_CONTROL_GET_DB_STATISTICS: + ctdb_db_statistics_push(cd->data.dbstats, buf, &np); + break; + + case CTDB_CONTROL_GET_RUNSTATE: + ctdb_uint32_push(&cd->data.runstate, buf, &np); + break; + + case CTDB_CONTROL_GET_NODES_FILE: + ctdb_node_map_push(cd->data.nodemap, buf, &np); + break; + + case CTDB_CONTROL_DB_PULL: + ctdb_uint32_push(&cd->data.num_records, buf, &np); + break; + + case CTDB_CONTROL_DB_PUSH_CONFIRM: + ctdb_uint32_push(&cd->data.num_records, buf, &np); + break; + + case CTDB_CONTROL_DB_OPEN_FLAGS: + ctdb_int32_push(&cd->data.tdb_flags, buf, &np); + break; + + case CTDB_CONTROL_DB_ATTACH_REPLICATED: + ctdb_uint32_push(&cd->data.db_id, buf, &np); + break; + + case CTDB_CONTROL_CHECK_PID_SRVID: + break; + + case CTDB_CONTROL_VACUUM_FETCH: + break; + + case CTDB_CONTROL_DB_VACUUM: + break; + + case CTDB_CONTROL_ECHO_DATA: + ctdb_echo_data_push(cd->data.echo_data, buf, &np); + break; + } + + *npush = np; +} + +static int ctdb_reply_control_data_pull(uint8_t *buf, size_t buflen, + uint32_t opcode, TALLOC_CTX *mem_ctx, + struct ctdb_reply_control_data *cd, + size_t *npull) +{ + size_t np = 0; + int ret = 0; + + cd->opcode = opcode; + + switch (opcode) { + case CTDB_CONTROL_STATISTICS: + ret = ctdb_statistics_pull(buf, buflen, mem_ctx, + &cd->data.stats, &np); + break; + + case CTDB_CONTROL_GETDBPATH: + ret = ctdb_string_pull(buf, buflen, mem_ctx, + &cd->data.db_path, &np); + break; + + case CTDB_CONTROL_GETVNNMAP: + ret = ctdb_vnn_map_pull(buf, buflen, mem_ctx, + &cd->data.vnnmap, &np); + break; + + case CTDB_CONTROL_GET_DEBUG: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.loglevel, &np); + break; + + case CTDB_CONTROL_GET_DBMAP: + ret = ctdb_dbid_map_pull(buf, buflen, mem_ctx, + &cd->data.dbmap, &np); + break; + + case CTDB_CONTROL_DB_ATTACH: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_GET_DBNAME: + ret = ctdb_string_pull(buf, buflen, mem_ctx, + &cd->data.db_name, &np); + break; + + case CTDB_CONTROL_DUMP_MEMORY: + ret = ctdb_string_pull(buf, buflen, mem_ctx, + &cd->data.mem_str, &np); + break; + + case CTDB_CONTROL_GET_PID: + break; + + case CTDB_CONTROL_GET_TUNABLE: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.tun_value, + &np); + break; + + case CTDB_CONTROL_LIST_TUNABLES: + ret = ctdb_var_list_pull(buf, buflen, mem_ctx, + &cd->data.tun_var_list, &np); + break; + + case CTDB_CONTROL_GET_ALL_TUNABLES: + ret = ctdb_tunable_list_pull(buf, buflen, mem_ctx, + &cd->data.tun_list, &np); + break; + + case CTDB_CONTROL_GET_TCP_TICKLE_LIST: + ret = ctdb_tickle_list_pull(buf, buflen, mem_ctx, + &cd->data.tickles, &np); + break; + + case CTDB_CONTROL_DB_ATTACH_PERSISTENT: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_UPTIME: + ret = ctdb_uptime_pull(buf, buflen, mem_ctx, + &cd->data.uptime, &np); + break; + + case CTDB_CONTROL_TRY_DELETE_RECORDS: + ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx, + &cd->data.recbuf, &np); + break; + + case CTDB_CONTROL_GET_CAPABILITIES: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.caps, &np); + break; + + case CTDB_CONTROL_GET_PUBLIC_IPS: + ret = ctdb_public_ip_list_pull(buf, buflen, mem_ctx, + &cd->data.pubip_list, &np); + break; + + case CTDB_CONTROL_GET_NODEMAP: + ret = ctdb_node_map_pull(buf, buflen, mem_ctx, + &cd->data.nodemap, &np); + break; + + case CTDB_CONTROL_GET_RECLOCK_FILE: + ret = ctdb_string_pull(buf, buflen, mem_ctx, + &cd->data.reclock_file, &np); + break; + + case CTDB_CONTROL_GET_BAN_STATE: + ret = ctdb_ban_state_pull(buf, buflen, mem_ctx, + &cd->data.ban_state, &np); + break; + + case CTDB_CONTROL_GET_DB_SEQNUM: + ret = ctdb_uint64_pull(buf, buflen, &cd->data.seqnum, &np); + break; + + case CTDB_CONTROL_DB_GET_HEALTH: + ret = ctdb_string_pull(buf, buflen, mem_ctx, + &cd->data.reason, &np); + break; + + case CTDB_CONTROL_GET_PUBLIC_IP_INFO: + ret = ctdb_public_ip_info_pull(buf, buflen, mem_ctx, + &cd->data.ipinfo, &np); + break; + + case CTDB_CONTROL_GET_IFACES: + ret = ctdb_iface_list_pull(buf, buflen, mem_ctx, + &cd->data.iface_list, &np); + break; + + case CTDB_CONTROL_GET_STAT_HISTORY: + ret = ctdb_statistics_list_pull(buf, buflen, mem_ctx, + &cd->data.stats_list, &np); + break; + + case CTDB_CONTROL_GET_DB_STATISTICS: + ret = ctdb_db_statistics_pull(buf, buflen, mem_ctx, + &cd->data.dbstats, &np); + break; + + case CTDB_CONTROL_GET_RUNSTATE: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.runstate, &np); + break; + + case CTDB_CONTROL_GET_NODES_FILE: + ret = ctdb_node_map_pull(buf, buflen, mem_ctx, + &cd->data.nodemap, &np); + break; + + case CTDB_CONTROL_DB_PULL: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.num_records, + &np); + break; + + case CTDB_CONTROL_DB_PUSH_CONFIRM: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.num_records, + &np); + break; + + case CTDB_CONTROL_DB_OPEN_FLAGS: + ret = ctdb_int32_pull(buf, buflen, &cd->data.tdb_flags, &np); + break; + + case CTDB_CONTROL_DB_ATTACH_REPLICATED: + ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np); + break; + + case CTDB_CONTROL_CHECK_PID_SRVID: + break; + + case CTDB_CONTROL_VACUUM_FETCH: + break; + + case CTDB_CONTROL_DB_VACUUM: + break; + + case CTDB_CONTROL_ECHO_DATA: + ret = ctdb_echo_data_pull(buf, + buflen, + mem_ctx, + &cd->data.echo_data, + &np); + break; + } + + if (ret != 0) { + return ret; + } + + *npull = np; + return 0; +} + +size_t ctdb_req_control_len(struct ctdb_req_header *h, + struct ctdb_req_control *c) +{ + uint32_t u32 = 0; + + return ctdb_req_header_len(h) + + ctdb_uint32_len(&c->opcode) + + ctdb_uint32_len(&c->pad) + + ctdb_uint64_len(&c->srvid) + + ctdb_uint32_len(&c->client_id) + + ctdb_uint32_len(&c->flags) + + ctdb_uint32_len(&u32) + + ctdb_req_control_data_len(&c->rdata); +} + +int ctdb_req_control_push(struct ctdb_req_header *h, + struct ctdb_req_control *c, + uint8_t *buf, size_t *buflen) +{ + size_t offset = 0, np; + size_t length; + uint32_t u32; + + length = ctdb_req_control_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->opcode, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->pad, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&c->srvid, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->client_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->flags, buf+offset, &np); + offset += np; + + u32 = ctdb_req_control_data_len(&c->rdata); + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + ctdb_req_control_data_push(&c->rdata, buf+offset, &np); + offset += np; + + if (offset > *buflen) { + return EMSGSIZE; + } + + return 0; +} + +int ctdb_req_control_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_control *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + uint32_t u32; + int ret; + + ret = ctdb_req_header_pull(buf+offset, buflen-offset, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->opcode, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->pad, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &c->srvid, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->client_id, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->flags, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (u32 > buflen-offset) { + return EMSGSIZE; + } + + ret = ctdb_req_control_data_pull(buf+offset, u32, c->opcode, mem_ctx, + &c->rdata, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (offset > buflen) { + return EMSGSIZE; + } + + return 0; +} + +size_t ctdb_reply_control_len(struct ctdb_req_header *h, + struct ctdb_reply_control *c) +{ + uint32_t dsize, esize; + + if (c->status == 0) { + dsize = ctdb_reply_control_data_len(&c->rdata); + esize = 0; + } else { + dsize = 0; + esize = ctdb_string_len(&c->errmsg); + } + + return ctdb_req_header_len(h) + + ctdb_int32_len(&c->status) + + ctdb_uint32_len(&dsize) + + ctdb_uint32_len(&esize) + + dsize + esize; +} + +int ctdb_reply_control_push(struct ctdb_req_header *h, + struct ctdb_reply_control *c, + uint8_t *buf, size_t *buflen) +{ + size_t offset = 0, np; + size_t length; + uint32_t dsize, esize; + + length = ctdb_reply_control_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf+offset, &np); + offset += np; + + ctdb_int32_push(&c->status, buf+offset, &np); + offset += np; + + if (c->status == 0) { + dsize = ctdb_reply_control_data_len(&c->rdata); + esize = 0; + } else { + dsize = 0; + esize = ctdb_string_len(&c->errmsg); + } + + ctdb_uint32_push(&dsize, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&esize, buf+offset, &np); + offset += np; + + if (c->status == 0) { + ctdb_reply_control_data_push(&c->rdata, buf+offset, &np); + } else { + ctdb_string_push(&c->errmsg, buf+offset, &np); + } + offset += np; + + return 0; +} + +int ctdb_reply_control_pull(uint8_t *buf, size_t buflen, uint32_t opcode, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_reply_control *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + uint32_t dsize, esize; + int ret; + + ret = ctdb_req_header_pull(buf+offset, buflen-offset, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_int32_pull(buf+offset, buflen-offset, &c->status, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &dsize, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &esize, &np); + if (ret != 0) { + return ret; + } + offset += np; + + c->errmsg = NULL; + + if (c->status == 0) { + if (buflen-offset < dsize) { + return EMSGSIZE; + } + + ret = ctdb_reply_control_data_pull(buf+offset, dsize, + opcode, mem_ctx, &c->rdata, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + } else { + if (buflen-offset < esize) { + return EMSGSIZE; + } + + ret = ctdb_string_pull(buf+offset, esize, mem_ctx, &c->errmsg, + &np); + if (ret != 0) { + return ret; + } + offset += np; + } + + return 0; +} diff --git a/ctdb/protocol/protocol_debug.c b/ctdb/protocol/protocol_debug.c new file mode 100644 index 0000000..f1e1fc0 --- /dev/null +++ b/ctdb/protocol/protocol_debug.c @@ -0,0 +1,746 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2016 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" +#include "system/locale.h" + +#include <talloc.h> +#include <tdb.h> + +#include <protocol/protocol.h> +#include <protocol/protocol_api.h> + +/* + * Utility functions + */ +struct uint32_map { + uint32_t key; +#define MAP_END 0xffffffff + const char *name; +}; + + +static void uint32_map_print(struct uint32_map *map, uint32_t key, FILE *fp) +{ + int i = 0; + + while (map[i].key != MAP_END) { + if (key == map[i].key) { + fprintf(fp, "%s", map[i].name); + return; + } + i = i+1; + } + + fprintf(fp, "UNKNOWN(%u)", key); +} + +static void tdb_data_print(TDB_DATA d, FILE *fp) +{ + unsigned char *p = (unsigned char *)d.dptr; + int len = d.dsize; + while (len--) { + if (isprint(*p) && !strchr("\"\\", *p)) { + fputc(*p, fp); + } else { + fprintf(fp, "\\%02X", *p); + } + p++; + } +} + +/* + * Data types + */ + +static void ctdb_operation_print(uint32_t operation, FILE *fp) +{ + struct uint32_map map[] = { + { CTDB_REQ_CALL, "REQ_CALL" }, + { CTDB_REPLY_CALL, "REPLY_CALL" }, + { CTDB_REQ_DMASTER, "REQ_DMASTER" }, + { CTDB_REPLY_DMASTER, "REPLY_DMASTER" }, + { CTDB_REPLY_ERROR, "REPLY_ERROR" }, + { CTDB_REQ_MESSAGE, "REQ_MESSAGE" }, + { CTDB_REQ_CONTROL, "REQ_CONTROL", }, + { CTDB_REPLY_CONTROL, "REPLY_CONTROL" }, + { CTDB_REQ_KEEPALIVE, "REQ_KEEPALIVE" }, + { MAP_END, "" }, + }; + + uint32_map_print(map, operation, fp); +} + +static void ctdb_callid_print(uint32_t callid, FILE *fp) +{ + struct uint32_map map[] = { + { CTDB_NULL_FUNC, "NULL" }, + { CTDB_FETCH_FUNC, "FETCH" }, + { CTDB_FETCH_WITH_HEADER_FUNC, "FETCH_WITH_HEADER" }, + { MAP_END, "" }, + }; + + uint32_map_print(map, callid, fp); +} + +static void ctdb_opcode_print(uint32_t opcode, FILE *fp) +{ + struct uint32_map map[] = { + { CTDB_CONTROL_PROCESS_EXISTS, "PROCESS_EXISTS" }, + { CTDB_CONTROL_STATISTICS, "STATISTICS" }, + { CTDB_CONTROL_PING, "PING" }, + { CTDB_CONTROL_GETDBPATH, "GETDBPATH" }, + { CTDB_CONTROL_GETVNNMAP, "GETVNNMAP" }, + { CTDB_CONTROL_SETVNNMAP, "SETVNNMAP" }, + { CTDB_CONTROL_GET_DEBUG, "GET_DEBUG" }, + { CTDB_CONTROL_SET_DEBUG, "SET_DEBUG" }, + { CTDB_CONTROL_GET_DBMAP, "GET_DBMAP" }, + { CTDB_CONTROL_GET_NODEMAPv4, "GET_NODEMAPv4" }, + { CTDB_CONTROL_SET_DMASTER, "SET_DMASTER" }, + { CTDB_CONTROL_GET_RECMODE, "GET_RECMODE" }, + { CTDB_CONTROL_SET_RECMODE, "SET_RECMODE" }, + { CTDB_CONTROL_STATISTICS_RESET, "STATISTICS_RESET" }, + { CTDB_CONTROL_DB_ATTACH, "DB_ATTACH" }, + { CTDB_CONTROL_SET_CALL, "SET_CALL" }, + { CTDB_CONTROL_TRAVERSE_START, "TRAVERSE_START" }, + { CTDB_CONTROL_TRAVERSE_ALL, "TRAVERSE_ALL" }, + { CTDB_CONTROL_TRAVERSE_DATA, "TRAVERSE_DATA" }, + { CTDB_CONTROL_REGISTER_SRVID, "REGISTER_SRVID" }, + { CTDB_CONTROL_DEREGISTER_SRVID, "DEREGISTER_SRVID" }, + { CTDB_CONTROL_GET_DBNAME, "GET_DBNAME" }, + { CTDB_CONTROL_ENABLE_SEQNUM, "ENABLE_SEQNUM" }, + { CTDB_CONTROL_UPDATE_SEQNUM, "UPDATE_SEQNUM" }, + { CTDB_CONTROL_DUMP_MEMORY, "DUMP_MEMORY" }, + { CTDB_CONTROL_GET_PID, "GET_PID" }, + { CTDB_CONTROL_GET_RECMASTER, "GET_RECMASTER" }, + { CTDB_CONTROL_SET_RECMASTER, "SET_RECMASTER" }, + { CTDB_CONTROL_FREEZE, "FREEZE" }, + { CTDB_CONTROL_THAW, "THAW" }, + { CTDB_CONTROL_GET_PNN, "GET_PNN" }, + { CTDB_CONTROL_SHUTDOWN, "SHUTDOWN" }, + { CTDB_CONTROL_GET_MONMODE, "GET_MONMODE" }, + { CTDB_CONTROL_TAKEOVER_IPv4, "TAKEOVER_IPv4" }, + { CTDB_CONTROL_RELEASE_IPv4, "RELEASE_IPv4" }, + { CTDB_CONTROL_TCP_CLIENT, "TCP_CLIENT" }, + { CTDB_CONTROL_TCP_ADD, "TCP_ADD" }, + { CTDB_CONTROL_TCP_REMOVE, "TCP_REMOVE" }, + { CTDB_CONTROL_STARTUP, "STARTUP" }, + { CTDB_CONTROL_SET_TUNABLE, "SET_TUNABLE" }, + { CTDB_CONTROL_GET_TUNABLE, "GET_TUNABLE" }, + { CTDB_CONTROL_LIST_TUNABLES, "LIST_TUNABLES" }, + { CTDB_CONTROL_GET_PUBLIC_IPSv4, "GET_PUBLIC_IPSv4" }, + { CTDB_CONTROL_MODIFY_FLAGS, "MODIFY_FLAGS" }, + { CTDB_CONTROL_GET_ALL_TUNABLES, "GET_ALL_TUNABLES" }, + { CTDB_CONTROL_KILL_TCP, "KILL_TCP" }, + { CTDB_CONTROL_GET_TCP_TICKLE_LIST, "GET_TCP_TICKLE_LIST" }, + { CTDB_CONTROL_SET_TCP_TICKLE_LIST, "SET_TCP_TICKLE_LIST" }, + { CTDB_CONTROL_REGISTER_SERVER_ID, "REGISTER_SERVER_ID" }, + { CTDB_CONTROL_UNREGISTER_SERVER_ID, "UNREGISTER_SERVER_ID" }, + { CTDB_CONTROL_CHECK_SERVER_ID, "CHECK_SERVER_ID" }, + { CTDB_CONTROL_GET_SERVER_ID_LIST, "GET_SERVER_ID_LIST" }, + { CTDB_CONTROL_DB_ATTACH_PERSISTENT, "DB_ATTACH_PERSISTENT" }, + { CTDB_CONTROL_PERSISTENT_STORE, "PERSISTENT_STORE" }, + { CTDB_CONTROL_UPDATE_RECORD, "UPDATE_RECORD" }, + { CTDB_CONTROL_SEND_GRATUITOUS_ARP, "SEND_GRATUITOUS_ARP" }, + { CTDB_CONTROL_TRANSACTION_START, "TRANSACTION_START" }, + { CTDB_CONTROL_TRANSACTION_COMMIT, "TRANSACTION_COMMIT" }, + { CTDB_CONTROL_WIPE_DATABASE, "WIPE_DATABASE" }, + { CTDB_CONTROL_UPTIME, "UPTIME" }, + { CTDB_CONTROL_START_RECOVERY, "START_RECOVERY" }, + { CTDB_CONTROL_END_RECOVERY, "END_RECOVERY" }, + { CTDB_CONTROL_RELOAD_NODES_FILE, "RELOAD_NODES_FILE" }, + { CTDB_CONTROL_TRY_DELETE_RECORDS, "TRY_DELETE_RECORDS" }, + { CTDB_CONTROL_ENABLE_MONITOR, "ENABLE_MONITOR" }, + { CTDB_CONTROL_DISABLE_MONITOR, "DISABLE_MONITOR" }, + { CTDB_CONTROL_ADD_PUBLIC_IP, "ADD_PUBLIC_IP" }, + { CTDB_CONTROL_DEL_PUBLIC_IP, "DEL_PUBLIC_IP" }, + { CTDB_CONTROL_RUN_EVENTSCRIPTS, "RUN_EVENTSCRIPTS" }, + { CTDB_CONTROL_GET_CAPABILITIES, "GET_CAPABILITIES" }, + { CTDB_CONTROL_START_PERSISTENT_UPDATE, "START_PERSISTENT_UPDATE" }, + { CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE, "CANCEL_PERSISTENT_UPDATE" }, + { CTDB_CONTROL_TRANS2_COMMIT, "TRANS2_COMMIT" }, + { CTDB_CONTROL_TRANS2_FINISHED, "TRANS2_FINISHED" }, + { CTDB_CONTROL_TRANS2_ERROR, "TRANS2_ERROR" }, + { CTDB_CONTROL_TRANS2_COMMIT_RETRY, "TRANS2_COMMIT_RETRY" }, + { CTDB_CONTROL_RECD_PING, "RECD_PING" }, + { CTDB_CONTROL_RELEASE_IP, "RELEASE_IP" }, + { CTDB_CONTROL_TAKEOVER_IP, "TAKEOVER_IP" }, + { CTDB_CONTROL_GET_PUBLIC_IPS, "GET_PUBLIC_IPS" }, + { CTDB_CONTROL_GET_NODEMAP, "GET_NODEMAP" }, + { CTDB_CONTROL_GET_EVENT_SCRIPT_STATUS, "GET_EVENT_SCRIPT_STATUS" }, + { CTDB_CONTROL_TRAVERSE_KILL, "TRAVERSE_KILL" }, + { CTDB_CONTROL_RECD_RECLOCK_LATENCY, "RECD_RECLOCK_LATENCY" }, + { CTDB_CONTROL_GET_RECLOCK_FILE, "GET_RECLOCK_FILE" }, + { CTDB_CONTROL_STOP_NODE, "STOP_NODE" }, + { CTDB_CONTROL_CONTINUE_NODE, "CONTINUE_NODE" }, + { CTDB_CONTROL_SET_NATGWSTATE, "SET_NATGWSTATE" }, + { CTDB_CONTROL_SET_LMASTERROLE, "SET_LMASTERROLE" }, + { CTDB_CONTROL_SET_RECMASTERROLE, "SET_RECMASTERROLE" }, + { CTDB_CONTROL_ENABLE_SCRIPT, "ENABLE_SCRIPT" }, + { CTDB_CONTROL_DISABLE_SCRIPT, "DISABLE_SCRIPT" }, + { CTDB_CONTROL_SET_BAN_STATE, "SET_BAN_STATE" }, + { CTDB_CONTROL_GET_BAN_STATE, "GET_BAN_STATE" }, + { CTDB_CONTROL_SET_DB_PRIORITY, "SET_DB_PRIORITY" }, + { CTDB_CONTROL_GET_DB_PRIORITY, "GET_DB_PRIORITY" }, + { CTDB_CONTROL_TRANSACTION_CANCEL, "TRANSACTION_CANCEL" }, + { CTDB_CONTROL_REGISTER_NOTIFY, "REGISTER_NOTIFY" }, + { CTDB_CONTROL_DEREGISTER_NOTIFY, "DEREGISTER_NOTIFY" }, + { CTDB_CONTROL_TRANS2_ACTIVE, "TRANS2_ACTIVE" }, + { CTDB_CONTROL_GET_LOG, "GET_LOG" }, + { CTDB_CONTROL_CLEAR_LOG, "CLEAR_LOG" }, + { CTDB_CONTROL_TRANS3_COMMIT, "TRANS3_COMMIT" }, + { CTDB_CONTROL_GET_DB_SEQNUM, "GET_DB_SEQNUM" }, + { CTDB_CONTROL_DB_SET_HEALTHY, "DB_SET_HEALTHY" }, + { CTDB_CONTROL_DB_GET_HEALTH, "DB_GET_HEALTH" }, + { CTDB_CONTROL_GET_PUBLIC_IP_INFO, "GET_PUBLIC_IP_INFO" }, + { CTDB_CONTROL_GET_IFACES, "GET_IFACES" }, + { CTDB_CONTROL_SET_IFACE_LINK_STATE, "SET_IFACE_LINK_STATE" }, + { CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE, "TCP_ADD_DELAYED_UPDATE" }, + { CTDB_CONTROL_GET_STAT_HISTORY, "GET_STAT_HISTORY" }, + { CTDB_CONTROL_SCHEDULE_FOR_DELETION, "SCHEDULE_FOR_DELETION" }, + { CTDB_CONTROL_SET_DB_READONLY, "SET_DB_READONLY" }, + { CTDB_CONTROL_CHECK_SRVIDS, "CHECK_SRVIDS" }, + { CTDB_CONTROL_TRAVERSE_START_EXT, "TRAVERSE_START_EXT" }, + { CTDB_CONTROL_GET_DB_STATISTICS, "GET_DB_STATISTICS" }, + { CTDB_CONTROL_SET_DB_STICKY, "SET_DB_STICKY" }, + { CTDB_CONTROL_RELOAD_PUBLIC_IPS, "RELOAD_PUBLIC_IPS" }, + { CTDB_CONTROL_TRAVERSE_ALL_EXT, "TRAVERSE_ALL_EXT" }, + { CTDB_CONTROL_RECEIVE_RECORDS, "RECEIVE_RECORDS" }, + { CTDB_CONTROL_IPREALLOCATED, "IPREALLOCATED" }, + { CTDB_CONTROL_GET_RUNSTATE, "GET_RUNSTATE" }, + { CTDB_CONTROL_DB_DETACH, "DB_DETACH" }, + { CTDB_CONTROL_GET_NODES_FILE, "GET_NODES_FILE" }, + { CTDB_CONTROL_DB_FREEZE, "DB_FREEZE" }, + { CTDB_CONTROL_DB_THAW, "DB_THAW" }, + { CTDB_CONTROL_DB_TRANSACTION_START, "DB_TRANSACTION_START" }, + { CTDB_CONTROL_DB_TRANSACTION_COMMIT, "DB_TRANSACTION_COMMIT" }, + { CTDB_CONTROL_DB_TRANSACTION_CANCEL, "DB_TRANSACTION_CANCEL" }, + { CTDB_CONTROL_DB_PULL, "DB_PULL" }, + { CTDB_CONTROL_DB_PUSH_START, "DB_PUSH_START" }, + { CTDB_CONTROL_DB_PUSH_CONFIRM, "DB_PUSH_CONFIRM" }, + { CTDB_CONTROL_DB_OPEN_FLAGS, "DB_OPEN_FLAGS" }, + { CTDB_CONTROL_DB_ATTACH_REPLICATED, "DB_ATTACH_REPLICATED" }, + { CTDB_CONTROL_CHECK_PID_SRVID, "CHECK_PID_SRVID" }, + { CTDB_CONTROL_TUNNEL_REGISTER, "TUNNEL_REGISTER" }, + { CTDB_CONTROL_TUNNEL_DEREGISTER, "TUNNEL_DEREGISTER" }, + { CTDB_CONTROL_VACUUM_FETCH, "VACUUM_FETCH" }, + { CTDB_CONTROL_DB_VACUUM, "DB_VACUUM" }, + { CTDB_CONTROL_ECHO_DATA, "ECHO_DATA" }, + { CTDB_CONTROL_DISABLE_NODE, "DISABLE_NODE" }, + { CTDB_CONTROL_ENABLE_NODE, "ENABLE_NODE" }, + { CTDB_CONTROL_TCP_CLIENT_DISCONNECTED, "TCP_CLIENT_DISCONNECTED" }, + { CTDB_CONTROL_TCP_CLIENT_PASSED, "TCP_CLIENT_PASSED" }, + { MAP_END, "" }, + }; + + uint32_map_print(map, opcode, fp); +} + +static void ctdb_control_flags_print(uint32_t flags, FILE *fp) +{ + if (flags & CTDB_CTRL_FLAG_NOREPLY) { + fprintf(fp, "NOREPLY "); + } + if (flags & CTDB_CTRL_FLAG_OPCODE_SPECIFIC) { + fprintf(fp, "OPCODE_SPECIFIC "); + } +} + +static void ctdb_pnn_print(uint32_t pnn, FILE *fp) +{ + if (pnn == CTDB_CURRENT_NODE) { + fprintf(fp, "CURRENT"); + } else if (pnn == CTDB_BROADCAST_ALL) { + fprintf(fp, "ALL"); + } else if (pnn == CTDB_BROADCAST_ACTIVE) { + fprintf(fp, "ACTIVE"); + } else if (pnn == CTDB_BROADCAST_CONNECTED) { + fprintf(fp, "CONNECTED"); + } else if (pnn == CTDB_MULTICAST) { + fprintf(fp, "MULTICAST"); + } else if (pnn == CTDB_UNKNOWN_PNN) { + fprintf(fp, "UNKNOWN"); + } else { + fprintf(fp, "%u", pnn); + } +} + +static void ctdb_srvid_print(uint64_t srvid, FILE *fp) +{ + uint64_t prefix = 0xFFFF000000000000LL; + + if (srvid == CTDB_SRVID_ALL) { + fprintf(fp, "ALL"); + } else if ((srvid & prefix) == CTDB_SRVID_RECOVERY) { + srvid = srvid & ~CTDB_SRVID_RECOVERY; + fprintf(fp, "RECOVERY-%"PRIx64"", srvid); + } else if (srvid == CTDB_SRVID_BANNING) { + fprintf(fp, "BANNING"); + } else if (srvid == CTDB_SRVID_ELECTION) { + fprintf(fp, "ELECTION"); + } else if (srvid == CTDB_SRVID_RECONFIGURE) { + fprintf(fp, "RECONFIGURE"); + } else if (srvid == CTDB_SRVID_RELEASE_IP) { + fprintf(fp, "RELEASE_IP"); + } else if (srvid == CTDB_SRVID_TAKE_IP) { + fprintf(fp, "TAKE_IP"); + } else if (srvid == CTDB_SRVID_IPREALLOCATED) { + fprintf(fp, "IPREALLOCATED"); + } else if (srvid == CTDB_SRVID_SET_NODE_FLAGS) { + fprintf(fp, "SET_NODE_FLAGS"); + } else if (srvid == CTDB_SRVID_RECD_UPDATE_IP) { + fprintf(fp, "RECD_UPDATE_IP"); + } else if (srvid == CTDB_SRVID_VACUUM_FETCH) { + fprintf(fp, "VACUUM_FETCH"); + } else if (srvid == CTDB_SRVID_DETACH_DATABASE) { + fprintf(fp, "DETACH_DATABASE"); + } else if (srvid == CTDB_SRVID_MEM_DUMP) { + fprintf(fp, "MEM_DUMP"); + } else if (srvid == CTDB_SRVID_GETLOG) { + fprintf(fp, "GETLOG"); + } else if (srvid == CTDB_SRVID_CLEARLOG) { + fprintf(fp, "CLEARLOG"); + } else if (srvid == CTDB_SRVID_PUSH_NODE_FLAGS) { + fprintf(fp, "PUSH_NODE_FLAGS"); + } else if (srvid == CTDB_SRVID_RELOAD_NODES) { + fprintf(fp, "RELOAD_NODES"); + } else if (srvid == CTDB_SRVID_TAKEOVER_RUN) { + fprintf(fp, "TAKEOVER_RUN"); + } else if (srvid == CTDB_SRVID_REBALANCE_NODE) { + fprintf(fp, "REBALANCE_NODE"); + } else if (srvid == CTDB_SRVID_DISABLE_TAKEOVER_RUNS) { + fprintf(fp, "DISABLE_TAKEOVER_RUNS"); + } else if (srvid == CTDB_SRVID_DISABLE_RECOVERIES) { + fprintf(fp, "DISABLE_RECOVERIES"); + } else if (srvid == CTDB_SRVID_DISABLE_IP_CHECK) { + fprintf(fp, "DISABLE_IP_CHECK"); + } else if ((srvid & prefix) == CTDB_SRVID_SAMBA_RANGE) { + if (srvid == CTDB_SRVID_SAMBA_NOTIFY) { + fprintf(fp, "SAMBA_NOTIFY"); + } else { + srvid &= ~CTDB_SRVID_SAMBA_RANGE; + fprintf(fp, "samba-0x%"PRIx64"", srvid); + } + } else if ((srvid & prefix) == CTDB_SRVID_NFSD_RANGE) { + srvid &= ~CTDB_SRVID_NFSD_RANGE; + fprintf(fp, "nfsd-0x%"PRIx64"", srvid); + } else if ((srvid & prefix) == CTDB_SRVID_ISCSID_RANGE) { + srvid &= ~CTDB_SRVID_ISCSID_RANGE; + fprintf(fp, "iscsi-0x%"PRIx64"", srvid); + } else if ((srvid & prefix) == CTDB_SRVID_TOOL_RANGE) { + srvid &= ~CTDB_SRVID_TOOL_RANGE; + fprintf(fp, "tool-0x%"PRIx64"", srvid); + } else if ((srvid & prefix) == CTDB_SRVID_TEST_RANGE) { + srvid &= ~CTDB_SRVID_TEST_RANGE; + fprintf(fp, "test-0x%"PRIx64"", srvid); + } else if ((srvid & prefix) == CTDB_SRVID_PID_RANGE) { + if (srvid < UINT16_MAX) { + fprintf(fp, "pid-%"PRIu64, srvid); + } else { + fprintf(fp, "pid-0x%"PRIx64, srvid); + } + } else { + fprintf(fp, "0x%"PRIx64, srvid); + } +} + +static void ctdb_tunnel_id_print(uint64_t tunnel_id, FILE *fp) +{ + if ((tunnel_id & CTDB_TUNNEL_TEST) == CTDB_TUNNEL_TEST) { + fprintf(fp, "TEST-%"PRIx64, tunnel_id); + } else { + fprintf(fp, "0x%"PRIx64, tunnel_id); + } +} + +static void ctdb_tunnel_flags_print(uint32_t flags, FILE *fp) +{ + if (flags & CTDB_TUNNEL_FLAG_REQUEST) { + fprintf(fp, "REQUEST "); + } + if (flags & CTDB_TUNNEL_FLAG_REPLY) { + fprintf(fp, "REPLY "); + } + if (flags & CTDB_TUNNEL_FLAG_NOREPLY) { + fprintf(fp, "NOREPLY "); + } +} + +/* + * Print routines + */ + +static void ctdb_req_header_print(struct ctdb_req_header *h, FILE *fp) +{ + fprintf(fp, "Header\n"); + fprintf(fp, " length:%u magic:0x%"PRIx32" version:%u generation:0x%"PRIx32"\n", + h->length, h->ctdb_magic, h->ctdb_version, h->generation); + fprintf(fp, " "); + ctdb_operation_print(h->operation, fp); + fprintf(fp, " dst:"); + ctdb_pnn_print(h->destnode, fp); + fprintf(fp, " src:"); + ctdb_pnn_print(h->srcnode, fp); + fprintf(fp, " reqid:0x%"PRIx32"\n", h->reqid); +} + +static void ctdb_req_call_print(struct ctdb_req_call *c, FILE *fp) +{ + fprintf(fp, "Data\n"); + fprintf(fp, " db:0x%"PRIx32" ", c->db_id); + ctdb_callid_print(c->callid, fp); + fprintf(fp, "\n"); + fprintf(fp, " key:"); + tdb_data_print(c->key, fp); + fprintf(fp, "\n"); +} + +static void ctdb_reply_call_print(struct ctdb_reply_call *c, FILE *fp) +{ + fprintf(fp, "Data\n"); + fprintf(fp, " status:%d\n", c->status); + if (c->status == 0) { + fprintf(fp, " data:"); + tdb_data_print(c->data, fp); + fprintf(fp, "\n"); + } +} + +static void ctdb_req_dmaster_print(struct ctdb_req_dmaster *c, FILE *fp) +{ + fprintf(fp, "Data\n"); + fprintf(fp, " db:0x%"PRIx32" rsn:0x%"PRIx64" dmaster:%u\n", + c->db_id, c->rsn, c->dmaster); + fprintf(fp, " key:"); + tdb_data_print(c->key, fp); + fprintf(fp, "\n"); + fprintf(fp, " data:"); + tdb_data_print(c->data, fp); + fprintf(fp, "\n"); +} + +static void ctdb_reply_dmaster_print(struct ctdb_reply_dmaster *c, FILE *fp) +{ + fprintf(fp, "Data\n"); + fprintf(fp, " db:0x%"PRIx32" rsn:0x%"PRIx64"\n", c->db_id, c->rsn); + fprintf(fp, " key:"); + tdb_data_print(c->key, fp); + fprintf(fp, "\n"); + fprintf(fp, " data:"); + tdb_data_print(c->data, fp); + fprintf(fp, "\n"); +} + +static void ctdb_reply_error_print(struct ctdb_reply_error *c, FILE *fp) +{ + fprintf(fp, "Data\n"); + fprintf(fp, " status:%d\n", c->status); + if (c->status != 0) { + fprintf(fp, " msg:"); + tdb_data_print(c->msg, fp); + fprintf(fp, "\n"); + } +} + +static void ctdb_req_message_data_print(struct ctdb_req_message_data *c, + FILE *fp) +{ + fprintf(fp, "Data\n"); + fprintf(fp, " srvid:"); + ctdb_srvid_print(c->srvid, fp); + fprintf(fp, "\n"); + fprintf(fp, " data:"); + tdb_data_print(c->data, fp); + fprintf(fp, "\n"); +} + +static void ctdb_req_control_print(struct ctdb_req_control *c, FILE *fp) +{ + fprintf(fp, "Data\n"); + fprintf(fp, " "); + ctdb_opcode_print(c->opcode, fp); + fprintf(fp, " srvid:"); + ctdb_srvid_print(c->srvid, fp); + fprintf(fp, " client_id:0x%"PRIx32" ", c->client_id); + ctdb_control_flags_print(c->flags, fp); + fprintf(fp, "\n"); +} + +static void ctdb_reply_control_print(struct ctdb_reply_control *c, FILE *fp) +{ + fprintf(fp, "Data\n"); + fprintf(fp, " status:%d ", c->status); + if (c->errmsg != NULL) { + fprintf(fp, "errmsg: %s", c->errmsg); + } + fprintf(fp, "\n"); +} + +static void ctdb_req_keepalive_print(struct ctdb_req_keepalive *c, FILE *fp) +{ + fprintf(fp, "Data\n"); + fprintf(fp, " version:0x%"PRIx32, c->version); + fprintf(fp, " uptime:%"PRIu32, c->uptime); + fprintf(fp, "\n"); +} + +static void ctdb_req_tunnel_print(struct ctdb_req_tunnel *c, FILE *fp) +{ + fprintf(fp, "Data\n"); + fprintf(fp, " tunnel_id:"); + ctdb_tunnel_id_print(c->tunnel_id, fp); + ctdb_tunnel_flags_print(c->flags, fp); + tdb_data_print(c->data, fp); + fprintf(fp, "\n"); +} + +/* + * Parse routines + */ + +static void ctdb_req_call_parse(uint8_t *buf, size_t buflen, FILE *fp, + TALLOC_CTX *mem_ctx) +{ + struct ctdb_req_call c; + int ret; + + ret = ctdb_req_call_pull(buf, buflen, NULL, mem_ctx, &c); + if (ret != 0) { + fprintf(fp, "Failed to parse CTDB_REQ_CALL\n"); + return; + } + + ctdb_req_call_print(&c, fp); +} + +static void ctdb_reply_call_parse(uint8_t *buf, size_t buflen, FILE *fp, + TALLOC_CTX *mem_ctx) +{ + struct ctdb_reply_call c; + int ret; + + ret = ctdb_reply_call_pull(buf, buflen, NULL, mem_ctx, &c); + if (ret != 0) { + fprintf(fp, "Failed to parse CTDB_REPLY_CALL\n"); + return; + } + + ctdb_reply_call_print(&c, fp); +} + +static void ctdb_req_dmaster_parse(uint8_t *buf, size_t buflen, FILE *fp, + TALLOC_CTX *mem_ctx) +{ + struct ctdb_req_dmaster c; + int ret; + + ret = ctdb_req_dmaster_pull(buf, buflen, NULL, mem_ctx, &c); + if (ret != 0) { + fprintf(fp, "Failed to parse CTDB_REQ_DMASTER\n"); + return; + } + + ctdb_req_dmaster_print(&c, fp); +} + +static void ctdb_reply_dmaster_parse(uint8_t *buf, size_t buflen, FILE *fp, + TALLOC_CTX *mem_ctx) +{ + struct ctdb_reply_dmaster c; + int ret; + + ret = ctdb_reply_dmaster_pull(buf, buflen, NULL, mem_ctx, &c); + if (ret != 0) { + fprintf(fp, "Failed to parse CTDB_REPLY_DMASTER\n"); + return; + } + + ctdb_reply_dmaster_print(&c, fp); +} + +static void ctdb_reply_error_parse(uint8_t *buf, size_t buflen, FILE *fp, + TALLOC_CTX *mem_ctx) +{ + struct ctdb_reply_error c; + int ret; + + ret = ctdb_reply_error_pull(buf, buflen, NULL, mem_ctx, &c); + if (ret != 0) { + fprintf(fp, "Failed to parse CTDB_REPLY_ERROR\n"); + return; + } + + ctdb_reply_error_print(&c, fp); +} + +static void ctdb_req_message_parse(uint8_t *buf, size_t buflen, FILE *fp, + TALLOC_CTX *mem_ctx) +{ + struct ctdb_req_message_data c; + int ret; + + ret = ctdb_req_message_data_pull(buf, buflen, NULL, mem_ctx, &c); + if (ret != 0) { + fprintf(fp, "Failed to parse CTDB_REQ_MESSAGE\n"); + return; + } + + ctdb_req_message_data_print(&c, fp); +} + +static void ctdb_req_control_parse(uint8_t *buf, size_t buflen, FILE *fp, + TALLOC_CTX *mem_ctx) +{ + struct ctdb_req_control c; + int ret; + + ret = ctdb_req_control_pull(buf, buflen, NULL, mem_ctx, &c); + if (ret != 0) { + fprintf(fp, "Failed to parse CTDB_REQ_CONTROL\n"); + return; + } + + ctdb_req_control_print(&c, fp); +} + +static void ctdb_reply_control_parse(uint8_t *buf, size_t buflen, FILE *fp, + TALLOC_CTX *mem_ctx) +{ + struct ctdb_reply_control c; + int ret; + + ret = ctdb_reply_control_pull(buf, buflen, -1, NULL, mem_ctx, &c); + if (ret != 0) { + fprintf(fp, "Failed to parse CTDB_REPLY_CONTROL\n"); + return; + } + + ctdb_reply_control_print(&c, fp); +} + +static void ctdb_req_keepalive_parse(uint8_t *buf, size_t buflen, FILE *fp, + TALLOC_CTX *mem_ctx) +{ + struct ctdb_req_keepalive c; + int ret; + + ret = ctdb_req_keepalive_pull(buf, buflen, NULL, mem_ctx, &c); + if (ret != 0) { + fprintf(fp, "Failed to parse CTDB_REQ_KEEPALIVE\n"); + return; + } + + ctdb_req_keepalive_print(&c, fp); +} + +static void ctdb_req_tunnel_parse(uint8_t *buf, size_t buflen, FILE *fp, + TALLOC_CTX *mem_ctx) +{ + struct ctdb_req_tunnel c; + int ret; + + ret = ctdb_req_tunnel_pull(buf, buflen, NULL, mem_ctx, &c); + if (ret != 0) { + fprintf(fp, "Failed to parse CTDB_REQ_TUNNEL\n"); + return; + } + + ctdb_req_tunnel_print(&c, fp); +} + +/* + * Packet print + */ + +void ctdb_packet_print(uint8_t *buf, size_t buflen, FILE *fp) +{ + TALLOC_CTX *mem_ctx = talloc_new(NULL); + struct ctdb_req_header h; + size_t np; + int ret; + + fprintf(fp, "Buffer len:%zu\n", buflen); + + ret = ctdb_req_header_pull(buf, buflen, &h, &np); + if (ret != 0) { + fprintf(fp, "Failed to parse ctdb packet header\n"); + return; + } + + ctdb_req_header_print(&h, fp); + + if (h.length > buflen) { + fprintf(fp, "Packet length mismatch\n"); + } + + ret = ctdb_req_header_verify(&h, 0); + if (ret != 0) { + fprintf(fp, "Invalid ctdb packet header\n"); + return; + } + + switch (h.operation) { + case CTDB_REQ_CALL: + ctdb_req_call_parse(buf, buflen, fp, mem_ctx); + break; + + case CTDB_REPLY_CALL: + ctdb_reply_call_parse(buf, buflen, fp, mem_ctx); + break; + + case CTDB_REQ_DMASTER: + ctdb_req_dmaster_parse(buf, buflen, fp, mem_ctx); + break; + + case CTDB_REPLY_DMASTER: + ctdb_reply_dmaster_parse(buf, buflen, fp, mem_ctx); + break; + + case CTDB_REPLY_ERROR: + ctdb_reply_error_parse(buf, buflen, fp, mem_ctx); + break; + + case CTDB_REQ_MESSAGE: + ctdb_req_message_parse(buf, buflen, fp, mem_ctx); + break; + + case CTDB_REQ_CONTROL: + ctdb_req_control_parse(buf, buflen, fp, mem_ctx); + break; + + case CTDB_REPLY_CONTROL: + ctdb_reply_control_parse(buf, buflen, fp, mem_ctx); + break; + + case CTDB_REQ_KEEPALIVE: + ctdb_req_keepalive_parse(buf, buflen, fp, mem_ctx); + break; + + case CTDB_REQ_TUNNEL: + ctdb_req_tunnel_parse(buf, buflen, fp, mem_ctx); + break; + + default: + fprintf(fp, "Invalid ctdb operation\n"); + break; + } + + talloc_free(mem_ctx); +} diff --git a/ctdb/protocol/protocol_header.c b/ctdb/protocol/protocol_header.c new file mode 100644 index 0000000..a6be7f5 --- /dev/null +++ b/ctdb/protocol/protocol_header.c @@ -0,0 +1,169 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> +#include <tdb.h> + +#include "protocol.h" +#include "protocol_api.h" +#include "protocol_private.h" + +int ctdb_req_header_verify(struct ctdb_req_header *h, uint32_t operation) +{ + if (h->length < sizeof(struct ctdb_req_header)) { + return EMSGSIZE; + } + + if (h->ctdb_magic != CTDB_MAGIC) { + return EPROTO; + } + + if (h->ctdb_version != CTDB_PROTOCOL) { + return EPROTO; + } + + if (operation != 0 && h->operation != operation) { + return EPROTO; + } + + return 0; +} + +void ctdb_req_header_fill(struct ctdb_req_header *h, uint32_t generation, + uint32_t operation, uint32_t destnode, + uint32_t srcnode, uint32_t reqid) +{ + h->length = sizeof(struct ctdb_req_header); + h->ctdb_magic = CTDB_MAGIC; + h->ctdb_version = CTDB_PROTOCOL; + h->generation = generation; + h->operation = operation; + h->destnode = destnode; + h->srcnode = srcnode; + h->reqid = reqid; +} + +size_t ctdb_req_header_len(struct ctdb_req_header *in) +{ + return ctdb_uint32_len(&in->length) + + ctdb_uint32_len(&in->ctdb_magic) + + ctdb_uint32_len(&in->ctdb_version) + + ctdb_uint32_len(&in->generation) + + ctdb_uint32_len(&in->operation) + + ctdb_uint32_len(&in->destnode) + + ctdb_uint32_len(&in->srcnode) + + ctdb_uint32_len(&in->reqid); +} + +void ctdb_req_header_push(struct ctdb_req_header *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->length, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->ctdb_magic, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->ctdb_version, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->generation, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->operation, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->destnode, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->srcnode, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->reqid, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_req_header_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *out, size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->length, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->ctdb_magic, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->ctdb_version, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->generation, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->operation, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->destnode, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->srcnode, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->reqid, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} diff --git a/ctdb/protocol/protocol_keepalive.c b/ctdb/protocol/protocol_keepalive.c new file mode 100644 index 0000000..3a1fc0e --- /dev/null +++ b/ctdb/protocol/protocol_keepalive.c @@ -0,0 +1,95 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2017 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> +#include <tdb.h> + +#include "protocol.h" +#include "protocol_api.h" +#include "protocol_private.h" + +size_t ctdb_req_keepalive_len(struct ctdb_req_header *h, + struct ctdb_req_keepalive *c) +{ + return ctdb_req_header_len(h) + + ctdb_uint32_len(&c->version) + + ctdb_uint32_len(&c->uptime); +} + +int ctdb_req_keepalive_push(struct ctdb_req_header *h, + struct ctdb_req_keepalive *c, + uint8_t *buf, size_t *buflen) +{ + size_t length, offset = 0, np; + + length = ctdb_req_keepalive_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->version, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->uptime, buf+offset, &np); + offset += np; + + return 0; +} + +int ctdb_req_keepalive_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_keepalive *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + int ret; + + ret = ctdb_req_header_pull(buf, buflen, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->version, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->uptime, &np); + if (ret != 0) { + return ret; + } + offset += np; + + return 0; +} diff --git a/ctdb/protocol/protocol_message.c b/ctdb/protocol/protocol_message.c new file mode 100644 index 0000000..8d32322 --- /dev/null +++ b/ctdb/protocol/protocol_message.c @@ -0,0 +1,485 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> +#include <tdb.h> + +#include "protocol.h" +#include "protocol_api.h" +#include "protocol_private.h" + + +static size_t ctdb_message_data_len(union ctdb_message_data *mdata, + uint64_t srvid) +{ + size_t len = 0; + + switch (srvid) { + case CTDB_SRVID_BANNING: + len = ctdb_uint32_len(&mdata->pnn); + break; + + case CTDB_SRVID_ELECTION: + len = ctdb_election_message_len(mdata->election); + break; + + case CTDB_SRVID_LEADER: + len = ctdb_uint32_len(&mdata->pnn); + break; + + case CTDB_SRVID_RECONFIGURE: + break; + + case CTDB_SRVID_RELEASE_IP: + len = ctdb_string_len(&mdata->ipaddr); + break; + + case CTDB_SRVID_TAKE_IP: + len = ctdb_string_len(&mdata->ipaddr); + break; + + case CTDB_SRVID_IPREALLOCATED: + break; + + case CTDB_SRVID_SET_NODE_FLAGS: + len = ctdb_node_flag_change_len(mdata->flag_change); + break; + + case CTDB_SRVID_RECD_UPDATE_IP: + len = ctdb_public_ip_len(mdata->pubip); + break; + + case CTDB_SRVID_VACUUM_FETCH: + len = ctdb_rec_buffer_len(mdata->recbuf); + break; + + case CTDB_SRVID_DETACH_DATABASE: + len = ctdb_uint32_len(&mdata->db_id); + break; + + case CTDB_SRVID_MEM_DUMP: + len = ctdb_srvid_message_len(mdata->msg); + break; + + case CTDB_SRVID_GETLOG: + break; + + case CTDB_SRVID_CLEARLOG: + break; + + case CTDB_SRVID_PUSH_NODE_FLAGS: + len = ctdb_node_flag_change_len(mdata->flag_change); + break; + + case CTDB_SRVID_RELOAD_NODES: + break; + + case CTDB_SRVID_TAKEOVER_RUN: + len = ctdb_srvid_message_len(mdata->msg); + break; + + case CTDB_SRVID_REBALANCE_NODE: + len = ctdb_uint32_len(&mdata->pnn); + break; + + case CTDB_SRVID_DISABLE_TAKEOVER_RUNS: + len = ctdb_disable_message_len(mdata->disable); + break; + + case CTDB_SRVID_DISABLE_RECOVERIES: + len = ctdb_disable_message_len(mdata->disable); + break; + + case CTDB_SRVID_DISABLE_IP_CHECK: + len = ctdb_uint32_len(&mdata->timeout); + break; + + default: + len = ctdb_tdb_data_len(&mdata->data); + break; + } + + return len; +} + +static void ctdb_message_data_push(union ctdb_message_data *mdata, + uint64_t srvid, uint8_t *buf, + size_t *npush) +{ + size_t np = 0; + + switch (srvid) { + case CTDB_SRVID_BANNING: + ctdb_uint32_push(&mdata->pnn, buf, &np); + break; + + case CTDB_SRVID_ELECTION: + ctdb_election_message_push(mdata->election, buf, &np); + break; + + case CTDB_SRVID_LEADER: + ctdb_uint32_push(&mdata->pnn, buf, &np); + break; + + case CTDB_SRVID_RECONFIGURE: + break; + + case CTDB_SRVID_RELEASE_IP: + ctdb_string_push(&mdata->ipaddr, buf, &np); + break; + + case CTDB_SRVID_TAKE_IP: + ctdb_string_push(&mdata->ipaddr, buf, &np); + break; + + case CTDB_SRVID_IPREALLOCATED: + break; + + case CTDB_SRVID_SET_NODE_FLAGS: + ctdb_node_flag_change_push(mdata->flag_change, buf, &np); + break; + + case CTDB_SRVID_RECD_UPDATE_IP: + ctdb_public_ip_push(mdata->pubip, buf, &np); + break; + + case CTDB_SRVID_VACUUM_FETCH: + ctdb_rec_buffer_push(mdata->recbuf, buf, &np); + break; + + case CTDB_SRVID_DETACH_DATABASE: + ctdb_uint32_push(&mdata->db_id, buf, &np); + break; + + case CTDB_SRVID_MEM_DUMP: + ctdb_srvid_message_push(mdata->msg, buf, &np); + break; + + case CTDB_SRVID_GETLOG: + break; + + case CTDB_SRVID_CLEARLOG: + break; + + case CTDB_SRVID_PUSH_NODE_FLAGS: + ctdb_node_flag_change_push(mdata->flag_change, buf, &np); + break; + + case CTDB_SRVID_RELOAD_NODES: + break; + + case CTDB_SRVID_TAKEOVER_RUN: + ctdb_srvid_message_push(mdata->msg, buf, &np); + break; + + case CTDB_SRVID_REBALANCE_NODE: + ctdb_uint32_push(&mdata->pnn, buf, &np); + break; + + case CTDB_SRVID_DISABLE_TAKEOVER_RUNS: + ctdb_disable_message_push(mdata->disable, buf, &np); + break; + + case CTDB_SRVID_DISABLE_RECOVERIES: + ctdb_disable_message_push(mdata->disable, buf, &np); + break; + + case CTDB_SRVID_DISABLE_IP_CHECK: + ctdb_uint32_push(&mdata->timeout, buf, &np); + break; + + default: + ctdb_tdb_data_push(&mdata->data, buf, &np); + break; + } + + *npush = np; +} + +static int ctdb_message_data_pull(uint8_t *buf, size_t buflen, + uint64_t srvid, TALLOC_CTX *mem_ctx, + union ctdb_message_data *mdata, + size_t *npull) +{ + int ret = 0; + size_t np = 0; + + switch (srvid) { + case CTDB_SRVID_BANNING: + ret = ctdb_uint32_pull(buf, buflen, &mdata->pnn, &np); + break; + + case CTDB_SRVID_ELECTION: + ret = ctdb_election_message_pull(buf, buflen, mem_ctx, + &mdata->election, &np); + break; + + case CTDB_SRVID_LEADER: + ret = ctdb_uint32_pull(buf, buflen, &mdata->pnn, &np); + break; + + case CTDB_SRVID_RECONFIGURE: + break; + + case CTDB_SRVID_RELEASE_IP: + ret = ctdb_string_pull(buf, buflen, mem_ctx, &mdata->ipaddr, + &np); + break; + + case CTDB_SRVID_TAKE_IP: + ret = ctdb_string_pull(buf, buflen, mem_ctx, &mdata->ipaddr, + &np); + break; + + case CTDB_SRVID_IPREALLOCATED: + break; + + case CTDB_SRVID_SET_NODE_FLAGS: + ret = ctdb_node_flag_change_pull(buf, buflen, mem_ctx, + &mdata->flag_change, &np); + break; + + case CTDB_SRVID_RECD_UPDATE_IP: + ret = ctdb_public_ip_pull(buf, buflen, mem_ctx, + &mdata->pubip, &np); + break; + + case CTDB_SRVID_VACUUM_FETCH: + ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx, + &mdata->recbuf, &np); + break; + + case CTDB_SRVID_DETACH_DATABASE: + ret = ctdb_uint32_pull(buf, buflen, &mdata->db_id, &np); + break; + + case CTDB_SRVID_MEM_DUMP: + ret = ctdb_srvid_message_pull(buf, buflen, mem_ctx, + &mdata->msg, &np); + break; + + case CTDB_SRVID_GETLOG: + break; + + case CTDB_SRVID_CLEARLOG: + break; + + case CTDB_SRVID_PUSH_NODE_FLAGS: + ret = ctdb_node_flag_change_pull(buf, buflen, mem_ctx, + &mdata->flag_change, &np); + break; + + case CTDB_SRVID_RELOAD_NODES: + break; + + case CTDB_SRVID_TAKEOVER_RUN: + ret = ctdb_srvid_message_pull(buf, buflen, mem_ctx, + &mdata->msg, &np); + break; + + case CTDB_SRVID_REBALANCE_NODE: + ret = ctdb_uint32_pull(buf, buflen, &mdata->pnn, &np); + break; + + case CTDB_SRVID_DISABLE_TAKEOVER_RUNS: + ret = ctdb_disable_message_pull(buf, buflen, mem_ctx, + &mdata->disable, &np); + break; + + case CTDB_SRVID_DISABLE_RECOVERIES: + ret = ctdb_disable_message_pull(buf, buflen, mem_ctx, + &mdata->disable, &np); + break; + + case CTDB_SRVID_DISABLE_IP_CHECK: + ret = ctdb_uint32_pull(buf, buflen, &mdata->timeout, &np); + break; + + default: + ret = ctdb_tdb_data_pull(buf, buflen, mem_ctx, &mdata->data, + &np); + break; + } + + if (ret != 0) { + return ret; + } + + *npull = np; + return 0; +} + +size_t ctdb_req_message_len(struct ctdb_req_header *h, + struct ctdb_req_message *c) +{ + uint32_t u32 = ctdb_message_data_len(&c->data, c->srvid); + + return ctdb_req_header_len(h) + + ctdb_uint64_len(&c->srvid) + + ctdb_uint32_len(&u32) + u32; +} + +int ctdb_req_message_push(struct ctdb_req_header *h, + struct ctdb_req_message *c, + uint8_t *buf, size_t *buflen) +{ + size_t offset = 0, np; + size_t length; + uint32_t u32; + + length = ctdb_req_message_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&c->srvid, buf+offset, &np); + offset += np; + + u32 = ctdb_message_data_len(&c->data, c->srvid); + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + ctdb_message_data_push(&c->data, c->srvid, buf+offset, &np); + offset += np; + + return 0; +} + +int ctdb_req_message_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_message *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + uint32_t u32; + int ret; + + ret = ctdb_req_header_pull(buf+offset, buflen-offset, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &c->srvid, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (buflen-offset < u32) { + return EMSGSIZE; + } + + ret = ctdb_message_data_pull(buf+offset, u32, c->srvid, + mem_ctx, &c->data, &np); + if (ret != 0) { + return ret; + } + offset += np; + + return ret; +} + +size_t ctdb_req_message_data_len(struct ctdb_req_header *h, + struct ctdb_req_message_data *c) +{ + return ctdb_req_header_len(h) + + ctdb_uint64_len(&c->srvid) + + ctdb_tdb_datan_len(&c->data); +} + +int ctdb_req_message_data_push(struct ctdb_req_header *h, + struct ctdb_req_message_data *c, + uint8_t *buf, size_t *buflen) +{ + size_t offset = 0, np; + size_t length; + + length = ctdb_req_message_data_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&c->srvid, buf+offset, &np); + offset += np; + + ctdb_tdb_datan_push(&c->data, buf+offset, &np); + offset += np; + + return 0; +} + +int ctdb_req_message_data_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_message_data *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + int ret; + + ret = ctdb_req_header_pull(buf+offset, buflen-offset, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &c->srvid, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_tdb_datan_pull(buf+offset, buflen-offset, + mem_ctx, &c->data, &np); + if (ret != 0) { + return ret; + } + offset += np; + + return 0; +} diff --git a/ctdb/protocol/protocol_packet.c b/ctdb/protocol/protocol_packet.c new file mode 100644 index 0000000..d5fd96b --- /dev/null +++ b/ctdb/protocol/protocol_packet.c @@ -0,0 +1,48 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> +#include <tdb.h> + +#include "protocol_api.h" + +#define CTDB_DS_ALIGNMENT 8 + +int ctdb_allocate_pkt(TALLOC_CTX *mem_ctx, size_t length, + uint8_t **buf, size_t *buflen) +{ + size_t new_length; + + if (buf == NULL || buflen == NULL) { + return EINVAL; + } + + new_length = (length + CTDB_DS_ALIGNMENT-1) & ~(CTDB_DS_ALIGNMENT-1); + + *buflen = new_length; + *buf = talloc_zero_size(mem_ctx, new_length); + if (*buf == NULL) { + return ENOMEM; + } + + return 0; +} diff --git a/ctdb/protocol/protocol_private.h b/ctdb/protocol/protocol_private.h new file mode 100644 index 0000000..cbbba39 --- /dev/null +++ b/ctdb/protocol/protocol_private.h @@ -0,0 +1,300 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef __PROTOCOL_PRIVATE_H__ +#define __PROTOCOL_PRIVATE_H__ + +#include "protocol.h" +#include "protocol_basic.h" + +/* + * From protocol/protocol_types.c + */ + +size_t ctdb_tdb_data_len(TDB_DATA *in); +void ctdb_tdb_data_push(TDB_DATA *in, uint8_t *buf, size_t *npush); +int ctdb_tdb_data_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + TDB_DATA *out, size_t *npull); + +size_t ctdb_tdb_datan_len(TDB_DATA *in); +void ctdb_tdb_datan_push(TDB_DATA *in, uint8_t *buf, size_t *npush); +int ctdb_tdb_datan_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + TDB_DATA *out, size_t *npull); + +size_t ctdb_latency_counter_len(struct ctdb_latency_counter *in); +void ctdb_latency_counter_push(struct ctdb_latency_counter *in, uint8_t *buf, + size_t *npush); +int ctdb_latency_counter_pull(uint8_t *buf, size_t buflen, + struct ctdb_latency_counter *out, size_t *npull); + +size_t ctdb_statistics_len(struct ctdb_statistics *in); +void ctdb_statistics_push(struct ctdb_statistics *in, uint8_t *buf, + size_t *npush); +int ctdb_statistics_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_statistics **out, size_t *npull); + +size_t ctdb_statistics_list_len(struct ctdb_statistics_list *in); +void ctdb_statistics_list_push(struct ctdb_statistics_list *in, + uint8_t *buf, size_t *npull); +int ctdb_statistics_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_statistics_list **out, + size_t *npull); + +size_t ctdb_vnn_map_len(struct ctdb_vnn_map *in); +void ctdb_vnn_map_push(struct ctdb_vnn_map *in, uint8_t *buf, size_t *npush); +int ctdb_vnn_map_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_vnn_map **out, size_t *npull); + +size_t ctdb_dbid_len(struct ctdb_dbid *in); +void ctdb_dbid_push(struct ctdb_dbid *in, uint8_t *buf, size_t *npush); +int ctdb_dbid_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_dbid **out, size_t *npull); + +size_t ctdb_dbid_map_len(struct ctdb_dbid_map *in); +void ctdb_dbid_map_push(struct ctdb_dbid_map *in, uint8_t *buf, + size_t *npush); +int ctdb_dbid_map_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_dbid_map **out, size_t *npull); + +size_t ctdb_pulldb_len(struct ctdb_pulldb *in); +void ctdb_pulldb_push(struct ctdb_pulldb *in, uint8_t *buf, size_t *npush); +int ctdb_pulldb_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_pulldb **out, size_t *npull); + +size_t ctdb_pulldb_ext_len(struct ctdb_pulldb_ext *in); +void ctdb_pulldb_ext_push(struct ctdb_pulldb_ext *in, uint8_t *buf, + size_t *npush); +int ctdb_pulldb_ext_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_pulldb_ext **out, size_t *npull); + +size_t ctdb_db_vacuum_len(struct ctdb_db_vacuum *in); +void ctdb_db_vacuum_push(struct ctdb_db_vacuum *in, + uint8_t *buf, + size_t *npush); +int ctdb_db_vacuum_pull(uint8_t *buf, + size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_db_vacuum **out, + size_t *npull); + +size_t ctdb_echo_data_len(struct ctdb_echo_data *in); +void ctdb_echo_data_push(struct ctdb_echo_data *in, + uint8_t *buf, + size_t *npush); +int ctdb_echo_data_pull(uint8_t *buf, + size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_echo_data **out, + size_t *npull); + +size_t ctdb_traverse_start_len(struct ctdb_traverse_start *in); +void ctdb_traverse_start_push(struct ctdb_traverse_start *in, uint8_t *buf, + size_t *npush); +int ctdb_traverse_start_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_traverse_start **out, size_t *npull); + +size_t ctdb_traverse_all_len(struct ctdb_traverse_all *in); +void ctdb_traverse_all_push(struct ctdb_traverse_all *in, uint8_t *buf, + size_t *npush); +int ctdb_traverse_all_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_traverse_all **out, size_t *npull); + +size_t ctdb_traverse_start_ext_len(struct ctdb_traverse_start_ext *in); +void ctdb_traverse_start_ext_push(struct ctdb_traverse_start_ext *in, + uint8_t *buf, size_t *npush); +int ctdb_traverse_start_ext_pull(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_traverse_start_ext **out, + size_t *npull); + +size_t ctdb_traverse_all_ext_len(struct ctdb_traverse_all_ext *in); +void ctdb_traverse_all_ext_push(struct ctdb_traverse_all_ext *in, + uint8_t *buf, size_t *npush); +int ctdb_traverse_all_ext_pull(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_traverse_all_ext **out, + size_t *npull); + +size_t ctdb_sock_addr_len(ctdb_sock_addr *in); +void ctdb_sock_addr_push(ctdb_sock_addr *in, uint8_t *buf, size_t *npush); +int ctdb_sock_addr_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, ctdb_sock_addr *out, + size_t *npull); +int ctdb_sock_addr_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + ctdb_sock_addr **out, size_t *npull); + +size_t ctdb_connection_len(struct ctdb_connection *in); +void ctdb_connection_push(struct ctdb_connection *in, uint8_t *buf, + size_t *npush); +int ctdb_connection_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_connection **out, size_t *npull); + +size_t ctdb_connection_list_len(struct ctdb_connection_list *in); +void ctdb_connection_list_push(struct ctdb_connection_list *in, uint8_t *buf, + size_t *npush); +int ctdb_connection_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_connection_list **out, size_t *npull); + +size_t ctdb_tunable_len(struct ctdb_tunable *in); +void ctdb_tunable_push(struct ctdb_tunable *in, uint8_t *buf, size_t *npush); +int ctdb_tunable_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_tunable **out, size_t *npull); + +size_t ctdb_node_flag_change_len(struct ctdb_node_flag_change *in); +void ctdb_node_flag_change_push(struct ctdb_node_flag_change *in, + uint8_t *buf, size_t *npush); +int ctdb_node_flag_change_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_node_flag_change **out, + size_t *npull); + +size_t ctdb_var_list_len(struct ctdb_var_list *in); +void ctdb_var_list_push(struct ctdb_var_list *in, uint8_t *buf, size_t *npush); +int ctdb_var_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_var_list **out, size_t *npull); + +size_t ctdb_tunable_list_len(struct ctdb_tunable_list *in); +void ctdb_tunable_list_push(struct ctdb_tunable_list *in, uint8_t *buf, + size_t *npush); +int ctdb_tunable_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_tunable_list **out, size_t *npull); + +size_t ctdb_tickle_list_len(struct ctdb_tickle_list *in); +void ctdb_tickle_list_push(struct ctdb_tickle_list *in, uint8_t *buf, + size_t *npush); +int ctdb_tickle_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_tickle_list **out, size_t *npull); + +size_t ctdb_addr_info_len(struct ctdb_addr_info *in); +void ctdb_addr_info_push(struct ctdb_addr_info *in, uint8_t *buf, + size_t *npush); +int ctdb_addr_info_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_addr_info **out, size_t *npull); + +size_t ctdb_transdb_len(struct ctdb_transdb *in); +void ctdb_transdb_push(struct ctdb_transdb *in, uint8_t *buf, size_t *npush); +int ctdb_transdb_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_transdb **out, size_t *npull); + +size_t ctdb_uptime_len(struct ctdb_uptime *in); +void ctdb_uptime_push(struct ctdb_uptime *in, uint8_t *buf, size_t *npush); +int ctdb_uptime_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_uptime **out, size_t *npull); + +size_t ctdb_public_ip_len(struct ctdb_public_ip *in); +void ctdb_public_ip_push(struct ctdb_public_ip *in, uint8_t *buf, + size_t *npush); +int ctdb_public_ip_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_public_ip **out, size_t *npull); + +size_t ctdb_public_ip_list_len(struct ctdb_public_ip_list *in); +void ctdb_public_ip_list_push(struct ctdb_public_ip_list *in, uint8_t *buf, + size_t *npush); +int ctdb_public_ip_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_public_ip_list **out, size_t *npull); + +size_t ctdb_node_and_flags_len(struct ctdb_node_and_flags *in); +void ctdb_node_and_flags_push(struct ctdb_node_and_flags *in, uint8_t *buf, + size_t *npush); +int ctdb_node_and_flags_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_node_and_flags **out, size_t *npull); + +size_t ctdb_node_map_len(struct ctdb_node_map *in); +void ctdb_node_map_push(struct ctdb_node_map *in, uint8_t *buf, size_t *npush); +int ctdb_node_map_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_node_map **out, size_t *npull); + +size_t ctdb_script_len(struct ctdb_script *in); +void ctdb_script_push(struct ctdb_script *in, uint8_t *buf, size_t *npush); +int ctdb_script_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_script **out, size_t *npull); + +size_t ctdb_script_list_len(struct ctdb_script_list *in); +void ctdb_script_list_push(struct ctdb_script_list *in, uint8_t *buf, + size_t *npush); +int ctdb_script_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_script_list **out, size_t *npull); + +size_t ctdb_ban_state_len(struct ctdb_ban_state *in); +void ctdb_ban_state_push(struct ctdb_ban_state *in, uint8_t *buf, + size_t *npush); +int ctdb_ban_state_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_ban_state **out, size_t *npull); + +size_t ctdb_notify_data_len(struct ctdb_notify_data *in); +void ctdb_notify_data_push(struct ctdb_notify_data *in, uint8_t *buf, + size_t *npush); +int ctdb_notify_data_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_notify_data **out, size_t *npull); + +size_t ctdb_iface_len(struct ctdb_iface *in); +void ctdb_iface_push(struct ctdb_iface *in, uint8_t *buf, size_t *npush); +int ctdb_iface_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_iface **out, size_t *npull); + +size_t ctdb_iface_list_len(struct ctdb_iface_list *in); +void ctdb_iface_list_push(struct ctdb_iface_list *in, uint8_t *buf, + size_t *npush); +int ctdb_iface_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_iface_list **out, size_t *npull); + +size_t ctdb_public_ip_info_len(struct ctdb_public_ip_info *in); +void ctdb_public_ip_info_push(struct ctdb_public_ip_info *in, uint8_t *buf, + size_t *npush); +int ctdb_public_ip_info_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_public_ip_info **out, size_t *npull); + +size_t ctdb_key_data_len(struct ctdb_key_data *in); +void ctdb_key_data_push(struct ctdb_key_data *in, uint8_t *buf, size_t *npush); +int ctdb_key_data_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_key_data **out, size_t *npull); + +size_t ctdb_db_statistics_len(struct ctdb_db_statistics *in); +void ctdb_db_statistics_push(struct ctdb_db_statistics *in, uint8_t *buf, + size_t *npush); +int ctdb_db_statistics_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_db_statistics **out, size_t *npull); + +size_t ctdb_pid_srvid_len(struct ctdb_pid_srvid *in); +void ctdb_pid_srvid_push(struct ctdb_pid_srvid *in, uint8_t *buf, + size_t *npush); +int ctdb_pid_srvid_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_pid_srvid **out, size_t *npull); + +size_t ctdb_election_message_len(struct ctdb_election_message *in); +void ctdb_election_message_push(struct ctdb_election_message *in, + uint8_t *buf, size_t *npush); +int ctdb_election_message_pull(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_election_message **out, + size_t *npull); + +size_t ctdb_srvid_message_len(struct ctdb_srvid_message *in); +void ctdb_srvid_message_push(struct ctdb_srvid_message *in, uint8_t *buf, + size_t *npush); +int ctdb_srvid_message_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_srvid_message **out, size_t *npull); + +size_t ctdb_disable_message_len(struct ctdb_disable_message *in); +void ctdb_disable_message_push(struct ctdb_disable_message *in, uint8_t *buf, + size_t *npush); +int ctdb_disable_message_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_disable_message **out, + size_t *npull); + +#endif /* __PROTOCOL_PRIVATE_H__ */ diff --git a/ctdb/protocol/protocol_sock.c b/ctdb/protocol/protocol_sock.c new file mode 100644 index 0000000..e32f087 --- /dev/null +++ b/ctdb/protocol/protocol_sock.c @@ -0,0 +1,81 @@ +/* + CTDB generic sock packet marshalling + + Copyright (C) Amitay Isaacs 2017 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> + +#include "protocol.h" +#include "protocol_private.h" +#include "protocol_api.h" + +size_t sock_packet_header_len(struct sock_packet_header *in) +{ + return ctdb_uint32_len(&in->length) + + ctdb_uint32_len(&in->reqid); +} + +void sock_packet_header_push(struct sock_packet_header *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->length, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->reqid, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int sock_packet_header_pull(uint8_t *buf, size_t buflen, + struct sock_packet_header *out, size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->length, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->reqid, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +void sock_packet_header_set_reqid(struct sock_packet_header *h, + uint32_t reqid) +{ + h->reqid = reqid; +} + +void sock_packet_header_set_length(struct sock_packet_header *h, + uint32_t length) +{ + h->length = length; +} diff --git a/ctdb/protocol/protocol_tunnel.c b/ctdb/protocol/protocol_tunnel.c new file mode 100644 index 0000000..d31d9d5 --- /dev/null +++ b/ctdb/protocol/protocol_tunnel.c @@ -0,0 +1,114 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2017 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> +#include <tdb.h> + +#include "protocol.h" +#include "protocol_api.h" +#include "protocol_private.h" + +size_t ctdb_req_tunnel_len(struct ctdb_req_header *h, + struct ctdb_req_tunnel *c) +{ + return ctdb_req_header_len(h) + + ctdb_uint64_len(&c->tunnel_id) + + ctdb_uint32_len(&c->flags) + + ctdb_tdb_datan_len(&c->data); +} + +int ctdb_req_tunnel_push(struct ctdb_req_header *h, + struct ctdb_req_tunnel *c, + uint8_t *buf, size_t *buflen) +{ + size_t length, offset = 0, np; + + length = ctdb_req_tunnel_len(h, c); + if (*buflen < length) { + *buflen = length; + return EMSGSIZE; + } + + h->length = *buflen; + ctdb_req_header_push(h, buf, &np); + offset += np; + + ctdb_uint64_push(&c->tunnel_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&c->flags, buf+offset, &np); + offset += np; + + ctdb_tdb_datan_push(&c->data, buf+offset, &np); + offset += np; + + if (offset > *buflen) { + return EMSGSIZE; + } + + return 0; +} + +int ctdb_req_tunnel_pull(uint8_t *buf, size_t buflen, + struct ctdb_req_header *h, + TALLOC_CTX *mem_ctx, + struct ctdb_req_tunnel *c) +{ + struct ctdb_req_header header; + size_t offset = 0, np; + int ret; + + ret = ctdb_req_header_pull(buf, buflen, &header, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (h != NULL) { + *h = header; + } + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &c->tunnel_id, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &c->flags, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_tdb_datan_pull(buf+offset, buflen-offset, mem_ctx, + &c->data, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (offset > buflen) { + return EMSGSIZE; + } + + return 0; +} diff --git a/ctdb/protocol/protocol_types.c b/ctdb/protocol/protocol_types.c new file mode 100644 index 0000000..0eb1923 --- /dev/null +++ b/ctdb/protocol/protocol_types.c @@ -0,0 +1,5348 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015-2017 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> +#include <tdb.h> + +#include "protocol.h" +#include "protocol_private.h" +#include "protocol_api.h" + +size_t ctdb_tdb_data_len(TDB_DATA *in) +{ + return in->dsize > UINT32_MAX ? UINT32_MAX : in->dsize; +} + +void ctdb_tdb_data_push(TDB_DATA *in, uint8_t *buf, size_t *npush) +{ + size_t len = ctdb_tdb_data_len(in); + + if (len > 0) { + memcpy(buf, in->dptr, len); + } + + *npush = len; +} + +int ctdb_tdb_data_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + TDB_DATA *out, size_t *npull) +{ + TDB_DATA val; + + if (buflen > UINT32_MAX) { + return EMSGSIZE; + } + + val.dsize = buflen; + if (val.dsize > 0) { + val.dptr = talloc_memdup(mem_ctx, buf, buflen); + if (val.dptr == NULL) { + return ENOMEM; + } + } else { + val.dptr = NULL; + } + + *out = val; + *npull = buflen; + return 0; +} + +size_t ctdb_tdb_datan_len(TDB_DATA *in) +{ + uint32_t u32 = ctdb_tdb_data_len(in); + + return ctdb_uint32_len(&u32) + u32; +} + +void ctdb_tdb_datan_push(TDB_DATA *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + uint32_t u32 = ctdb_tdb_data_len(in); + + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + ctdb_tdb_data_push(in, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_tdb_datan_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + TDB_DATA *out, size_t *npull) +{ + size_t offset = 0, np; + uint32_t u32; + int ret; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (buflen-offset < u32) { + return EMSGSIZE; + } + + ret = ctdb_tdb_data_pull(buf+offset, u32, mem_ctx, out, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +size_t ctdb_latency_counter_len(struct ctdb_latency_counter *in) +{ + return ctdb_int32_len(&in->num) + + ctdb_padding_len(4) + + ctdb_double_len(&in->min) + + ctdb_double_len(&in->max) + + ctdb_double_len(&in->total); +} + +void ctdb_latency_counter_push(struct ctdb_latency_counter *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_int32_push(&in->num, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_double_push(&in->min, buf+offset, &np); + offset += np; + + ctdb_double_push(&in->max, buf+offset, &np); + offset += np; + + ctdb_double_push(&in->total, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_latency_counter_pull(uint8_t *buf, size_t buflen, + struct ctdb_latency_counter *out, size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_int32_pull(buf+offset, buflen-offset, &out->num, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_double_pull(buf+offset, buflen-offset, &out->min, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_double_pull(buf+offset, buflen-offset, &out->max, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_double_pull(buf+offset, buflen-offset, &out->total, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +size_t ctdb_statistics_len(struct ctdb_statistics *in) +{ + return ctdb_uint32_len(&in->num_clients) + + ctdb_uint32_len(&in->frozen) + + ctdb_uint32_len(&in->recovering) + + ctdb_uint32_len(&in->client_packets_sent) + + ctdb_uint32_len(&in->client_packets_recv) + + ctdb_uint32_len(&in->node_packets_sent) + + ctdb_uint32_len(&in->node_packets_recv) + + ctdb_uint32_len(&in->keepalive_packets_sent) + + ctdb_uint32_len(&in->keepalive_packets_recv) + + ctdb_uint32_len(&in->node.req_call) + + ctdb_uint32_len(&in->node.reply_call) + + ctdb_uint32_len(&in->node.req_dmaster) + + ctdb_uint32_len(&in->node.reply_dmaster) + + ctdb_uint32_len(&in->node.reply_error) + + ctdb_uint32_len(&in->node.req_message) + + ctdb_uint32_len(&in->node.req_control) + + ctdb_uint32_len(&in->node.reply_control) + + ctdb_uint32_len(&in->node.req_tunnel) + + ctdb_uint32_len(&in->client.req_call) + + ctdb_uint32_len(&in->client.req_message) + + ctdb_uint32_len(&in->client.req_control) + + ctdb_uint32_len(&in->client.req_tunnel) + + ctdb_uint32_len(&in->timeouts.call) + + ctdb_uint32_len(&in->timeouts.control) + + ctdb_uint32_len(&in->timeouts.traverse) + + ctdb_padding_len(4) + + ctdb_latency_counter_len(&in->reclock.ctdbd) + + ctdb_latency_counter_len(&in->reclock.recd) + + ctdb_uint32_len(&in->locks.num_calls) + + ctdb_uint32_len(&in->locks.num_current) + + ctdb_uint32_len(&in->locks.num_pending) + + ctdb_uint32_len(&in->locks.num_failed) + + ctdb_latency_counter_len(&in->locks.latency) + + MAX_COUNT_BUCKETS * ctdb_uint32_len(&in->locks.buckets[0]) + + ctdb_uint32_len(&in->total_calls) + + ctdb_uint32_len(&in->pending_calls) + + ctdb_uint32_len(&in->childwrite_calls) + + ctdb_uint32_len(&in->pending_childwrite_calls) + + ctdb_uint32_len(&in->memory_used) + + ctdb_uint32_len(&in->__last_counter) + + ctdb_uint32_len(&in->max_hop_count) + + MAX_COUNT_BUCKETS * + ctdb_uint32_len(&in->hop_count_bucket[0]) + + ctdb_padding_len(4) + + ctdb_latency_counter_len(&in->call_latency) + + ctdb_latency_counter_len(&in->childwrite_latency) + + ctdb_uint32_len(&in->num_recoveries) + + ctdb_padding_len(4) + + ctdb_timeval_len(&in->statistics_start_time) + + ctdb_timeval_len(&in->statistics_current_time) + + ctdb_uint32_len(&in->total_ro_delegations) + + ctdb_uint32_len(&in->total_ro_revokes); +} + +void ctdb_statistics_push(struct ctdb_statistics *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + int i; + + ctdb_uint32_push(&in->num_clients, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->frozen, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->recovering, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->client_packets_sent, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->client_packets_recv, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node_packets_sent, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node_packets_recv, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->keepalive_packets_sent, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->keepalive_packets_recv, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node.req_call, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node.reply_call, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node.req_dmaster, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node.reply_dmaster, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node.reply_error, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node.req_message, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node.req_control, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node.reply_control, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node.req_tunnel, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->client.req_call, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->client.req_message, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->client.req_control, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->client.req_tunnel, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->timeouts.call, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->timeouts.control, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->timeouts.traverse, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_latency_counter_push(&in->reclock.ctdbd, buf+offset, &np); + offset += np; + + ctdb_latency_counter_push(&in->reclock.recd, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->locks.num_calls, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->locks.num_current, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->locks.num_pending, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->locks.num_failed, buf+offset, &np); + offset += np; + + ctdb_latency_counter_push(&in->locks.latency, buf+offset, &np); + offset += np; + + for (i=0; i<MAX_COUNT_BUCKETS; i++) { + ctdb_uint32_push(&in->locks.buckets[i], buf+offset, &np); + offset += np; + } + + ctdb_uint32_push(&in->total_calls, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->pending_calls, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->childwrite_calls, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->pending_childwrite_calls, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->memory_used, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->__last_counter, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->max_hop_count, buf+offset, &np); + offset += np; + + for (i=0; i<MAX_COUNT_BUCKETS; i++) { + ctdb_uint32_push(&in->hop_count_bucket[i], buf+offset, &np); + offset += np; + } + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_latency_counter_push(&in->call_latency, buf+offset, &np); + offset += np; + + ctdb_latency_counter_push(&in->childwrite_latency, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->num_recoveries, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_timeval_push(&in->statistics_start_time, buf+offset, &np); + offset += np; + + ctdb_timeval_push(&in->statistics_current_time, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->total_ro_delegations, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->total_ro_revokes, buf+offset, &np); + offset += np; + + *npush = offset; +} + +static int ctdb_statistics_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_statistics *out, + size_t *npull) +{ + size_t offset = 0, np; + int ret, i; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->num_clients, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->frozen, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->recovering, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->client_packets_sent, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->client_packets_recv, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node_packets_sent, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node_packets_recv, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->keepalive_packets_sent, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->keepalive_packets_recv, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node.req_call, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node.reply_call, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node.req_dmaster, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node.reply_dmaster, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node.reply_error, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node.req_message, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node.req_control, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node.reply_control, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->node.req_tunnel, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->client.req_call, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->client.req_message, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->client.req_control, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->client.req_tunnel, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->timeouts.call, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->timeouts.control, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->timeouts.traverse, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_latency_counter_pull(buf+offset, buflen-offset, + &out->reclock.ctdbd, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_latency_counter_pull(buf+offset, buflen-offset, + &out->reclock.recd, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->locks.num_calls, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->locks.num_current, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->locks.num_pending, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->locks.num_failed, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_latency_counter_pull(buf+offset, buflen-offset, + &out->locks.latency, &np); + if (ret != 0) { + return ret; + } + offset += np; + + for (i=0; i<MAX_COUNT_BUCKETS; i++) { + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->locks.buckets[i], &np); + if (ret != 0) { + return ret; + } + offset += np; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->total_calls, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->pending_calls, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->childwrite_calls, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->pending_childwrite_calls, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->memory_used, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->__last_counter, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->max_hop_count, &np); + if (ret != 0) { + return ret; + } + offset += np; + + for (i=0; i<MAX_COUNT_BUCKETS; i++) { + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->hop_count_bucket[i], &np); + if (ret != 0) { + return ret; + } + offset += np; + } + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_latency_counter_pull(buf+offset, buflen-offset, + &out->call_latency, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_latency_counter_pull(buf+offset, buflen-offset, + &out->childwrite_latency, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->num_recoveries, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_timeval_pull(buf+offset, buflen-offset, + &out->statistics_start_time, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_timeval_pull(buf+offset, buflen-offset, + &out->statistics_current_time, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->total_ro_delegations, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->total_ro_revokes, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +int ctdb_statistics_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_statistics **out, size_t *npull) +{ + struct ctdb_statistics *val; + size_t np; + int ret; + + val = talloc(mem_ctx, struct ctdb_statistics); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_statistics_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + talloc_free(val); + return ret; + } + + *out = val; + *npull = np; + return 0; +} + +size_t ctdb_statistics_list_len(struct ctdb_statistics_list *in) +{ + size_t len; + + len = ctdb_int32_len(&in->num) + ctdb_padding_len(4); + if (in->num > 0) { + len += in->num * ctdb_statistics_len(&in->stats[0]); + } + + return len; +} + +void ctdb_statistics_list_push(struct ctdb_statistics_list *in, + uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + int i; + + ctdb_int32_push(&in->num, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + for (i=0; i<in->num; i++) { + ctdb_statistics_push(&in->stats[i], buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +int ctdb_statistics_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_statistics_list **out, + size_t *npull) +{ + struct ctdb_statistics_list *val; + size_t offset = 0, np; + int ret, i; + + val = talloc(mem_ctx, struct ctdb_statistics_list); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_int32_pull(buf+offset, buflen-offset, &val->num, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + if (val->num == 0) { + val->stats = NULL; + goto done; + } + + val->stats = talloc_array(val, struct ctdb_statistics, val->num); + if (val->stats == NULL) { + ret = ENOMEM; + goto fail; + } + + for (i=0; i<val->num; i++) { + ret = ctdb_statistics_pull_elems(buf+offset, buflen-offset, + val, &val->stats[i], &np); + if (ret != 0) { + goto fail; + } + offset += np; + } + +done: + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_vnn_map_len(struct ctdb_vnn_map *in) +{ + size_t len; + + len = ctdb_uint32_len(&in->generation) + ctdb_uint32_len(&in->size); + if (in->size > 0) { + len += in->size * ctdb_uint32_len(&in->map[0]); + } + + return len; +} + +void ctdb_vnn_map_push(struct ctdb_vnn_map *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + uint32_t i; + + ctdb_uint32_push(&in->generation, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->size, buf+offset, &np); + offset += np; + + for (i=0; i<in->size; i++) { + ctdb_uint32_push(&in->map[i], buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +int ctdb_vnn_map_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_vnn_map **out, size_t *npull) +{ + struct ctdb_vnn_map *val; + size_t offset = 0, np; + uint32_t i; + int ret; + + val = talloc(mem_ctx, struct ctdb_vnn_map); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->generation, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->size, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + if (val->size == 0) { + val->map = NULL; + goto done; + } + + val->map = talloc_array(val, uint32_t, val->size); + if (val->map == NULL) { + ret = ENOMEM; + goto fail; + } + + for (i=0; i<val->size; i++) { + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &val->map[i], &np); + if (ret != 0) { + goto fail; + } + offset += np; + } + +done: + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_dbid_len(struct ctdb_dbid *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_uint8_len(&in->flags) + + ctdb_padding_len(3); +} + +void ctdb_dbid_push(struct ctdb_dbid *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_uint8_push(&in->flags, buf+offset, &np); + offset += np; + + ctdb_padding_push(3, buf+offset, &np); + offset += np; + + *npush = offset; +} + +static int ctdb_dbid_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, struct ctdb_dbid *out, + size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->db_id, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint8_pull(buf+offset, buflen-offset, &out->flags, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 3, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +int ctdb_dbid_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_dbid **out, size_t *npull) +{ + struct ctdb_dbid *val; + size_t np; + int ret; + + val = talloc(mem_ctx, struct ctdb_dbid); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_dbid_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + talloc_free(val); + return ret; + } + + *out = val; + *npull = np; + return 0; +} + +size_t ctdb_dbid_map_len(struct ctdb_dbid_map *in) +{ + size_t len; + + len = ctdb_uint32_len(&in->num); + if (in->num > 0) { + len += in->num * ctdb_dbid_len(&in->dbs[0]); + } + + return len; +} + +void ctdb_dbid_map_push(struct ctdb_dbid_map *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + uint32_t i; + + ctdb_uint32_push(&in->num, buf+offset, &np); + offset += np; + + for (i=0; i<in->num; i++) { + ctdb_dbid_push(&in->dbs[i], buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +int ctdb_dbid_map_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_dbid_map **out, size_t *npull) +{ + struct ctdb_dbid_map *val; + size_t offset = 0, np; + uint32_t i; + int ret; + + val = talloc(mem_ctx, struct ctdb_dbid_map); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->num, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + if (val->num == 0) { + val->dbs = NULL; + goto done; + } + + val->dbs = talloc_array(val, struct ctdb_dbid, val->num); + if (val->dbs == NULL) { + ret = ENOMEM; + goto fail; + } + + for (i=0; i<val->num; i++) { + ret = ctdb_dbid_pull_elems(buf+offset, buflen-offset, val, + &val->dbs[i], &np); + if (ret != 0) { + goto fail; + } + offset += np; + } + +done: + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_pulldb_len(struct ctdb_pulldb *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_uint32_len(&in->lmaster); +} + +void ctdb_pulldb_push(struct ctdb_pulldb *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->lmaster, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_pulldb_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_pulldb **out, size_t *npull) +{ + struct ctdb_pulldb *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_pulldb); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->db_id, &np); + if (ret != 0) { + talloc_free(val); + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->lmaster, &np); + if (ret != 0) { + talloc_free(val); + return ret; + } + offset += np; + + *out = val; + *npull = offset; + return 0; +} + +size_t ctdb_pulldb_ext_len(struct ctdb_pulldb_ext *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_uint32_len(&in->lmaster) + + ctdb_uint64_len(&in->srvid); +} + +void ctdb_pulldb_ext_push(struct ctdb_pulldb_ext *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->lmaster, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&in->srvid, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_pulldb_ext_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_pulldb_ext **out, size_t *npull) +{ + struct ctdb_pulldb_ext *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_pulldb_ext); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->db_id, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->lmaster, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &val->srvid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_db_vacuum_len(struct ctdb_db_vacuum *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_bool_len(&in->full_vacuum_run); +} + +void ctdb_db_vacuum_push(struct ctdb_db_vacuum *in, + uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_bool_push(&in->full_vacuum_run, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_db_vacuum_pull(uint8_t *buf, + size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_db_vacuum **out, + size_t *npull) +{ + struct ctdb_db_vacuum *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_db_vacuum); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, + buflen-offset, + &val->db_id, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_bool_pull(buf+offset, + buflen-offset, + &val->full_vacuum_run, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_echo_data_len(struct ctdb_echo_data *in) +{ + /* + * No overflow check, none of the routines in this file do it + * and there's no way to report it anyway. + */ + return ctdb_uint32_len(&in->timeout) + ctdb_tdb_datan_len(&in->buf); +} + +void ctdb_echo_data_push(struct ctdb_echo_data *in, + uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + /* + * No overflow check, none of the routines in this file do it + * and there's no way to report it anyway. + */ + + ctdb_uint32_push(&in->timeout, buf+offset, &np); + offset += np; + + ctdb_tdb_datan_push(&in->buf, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_echo_data_pull(uint8_t *buf, + size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_echo_data **out, + size_t *npull) +{ + struct ctdb_echo_data *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_echo_data); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, + buflen-offset, + &val->timeout, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_tdb_datan_pull(buf+offset, + buflen-offset, + val, + &val->buf, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_ltdb_header_len(struct ctdb_ltdb_header *in) +{ + return ctdb_uint64_len(&in->rsn) + + ctdb_uint32_len(&in->dmaster) + + ctdb_uint32_len(&in->reserved1) + + ctdb_uint32_len(&in->flags) + + ctdb_padding_len(4); +} + +void ctdb_ltdb_header_push(struct ctdb_ltdb_header *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint64_push(&in->rsn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->dmaster, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->reserved1, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->flags, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_ltdb_header_pull(uint8_t *buf, size_t buflen, + struct ctdb_ltdb_header *out, size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &out->rsn, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->dmaster, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->reserved1, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->flags, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +int ctdb_ltdb_header_extract(TDB_DATA *data, struct ctdb_ltdb_header *header) +{ + size_t np; + int ret; + + ret = ctdb_ltdb_header_pull(data->dptr, data->dsize, header, &np); + if (ret != 0) { + return ret; + } + + data->dptr += np; + data->dsize -= np; + + return 0; +} + +size_t ctdb_rec_data_len(struct ctdb_rec_data *in) +{ + uint32_t u32; + + u32 = ctdb_uint32_len(&in->reqid) + + ctdb_tdb_datan_len(&in->key) + + ctdb_tdb_datan_len(&in->data); + + if (in->header != NULL) { + u32 += ctdb_ltdb_header_len(in->header); + } + + return ctdb_uint32_len(&u32) + u32; +} + +void ctdb_rec_data_push(struct ctdb_rec_data *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + uint32_t u32; + + u32 = ctdb_rec_data_len(in); + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->reqid, buf+offset, &np); + offset += np; + + u32 = ctdb_tdb_data_len(&in->key); + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + u32 = ctdb_tdb_data_len(&in->data); + if (in->header != NULL) { + u32 += ctdb_ltdb_header_len(in->header); + } + + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + ctdb_tdb_data_push(&in->key, buf+offset, &np); + offset += np; + + /* If ltdb header is not NULL, then it is pushed as part of the data */ + if (in->header != NULL) { + ctdb_ltdb_header_push(in->header, buf+offset, &np); + offset += np; + } + ctdb_tdb_data_push(&in->data, buf+offset, &np); + offset += np; + + *npush = offset; +} + +static int ctdb_rec_data_pull_data(uint8_t *buf, size_t buflen, + uint32_t *reqid, + TDB_DATA *key, TDB_DATA *data, + size_t *npull) +{ + size_t offset = 0, np; + size_t len; + uint32_t u32; + int ret; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (buflen < u32) { + return EMSGSIZE; + } + len = u32; + + ret = ctdb_uint32_pull(buf+offset, len-offset, reqid, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, len-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + key->dsize = u32; + + ret = ctdb_uint32_pull(buf+offset, len-offset, &u32, &np); + if (ret != 0) { + return ret; + } + offset += np; + data->dsize = u32; + + if (len-offset < key->dsize) { + return EMSGSIZE; + } + + key->dptr = buf+offset; + offset += key->dsize; + + if (len-offset < data->dsize) { + return EMSGSIZE; + } + + data->dptr = buf+offset; + offset += data->dsize; + + *npull = offset; + return 0; +} + +static int ctdb_rec_data_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_rec_data *out, + size_t *npull) +{ + uint32_t reqid; + TDB_DATA key, data; + size_t np; + int ret; + + ret = ctdb_rec_data_pull_data(buf, buflen, &reqid, &key, &data, &np); + if (ret != 0) { + return ret; + } + + out->reqid = reqid; + + /* Always set header to NULL. If it is required, extract it using + * ctdb_rec_data_extract_header() + */ + out->header = NULL; + + out->key.dsize = key.dsize; + if (key.dsize > 0) { + out->key.dptr = talloc_memdup(mem_ctx, key.dptr, key.dsize); + if (out->key.dptr == NULL) { + return ENOMEM; + } + } + + out->data.dsize = data.dsize; + if (data.dsize > 0) { + out->data.dptr = talloc_memdup(mem_ctx, data.dptr, data.dsize); + if (out->data.dptr == NULL) { + return ENOMEM; + } + } + + *npull = np; + return 0; +} + +int ctdb_rec_data_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_rec_data **out, size_t *npull) +{ + struct ctdb_rec_data *val; + size_t np; + int ret; + + val = talloc(mem_ctx, struct ctdb_rec_data); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_rec_data_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + TALLOC_FREE(val); + return ret; + } + + *out = val; + *npull = np; + return ret; +} + +size_t ctdb_rec_buffer_len(struct ctdb_rec_buffer *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_uint32_len(&in->count) + + in->buflen; +} + +void ctdb_rec_buffer_push(struct ctdb_rec_buffer *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->count, buf+offset, &np); + offset += np; + + memcpy(buf+offset, in->buf, in->buflen); + offset += in->buflen; + + *npush = offset; +} + +int ctdb_rec_buffer_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_rec_buffer **out, size_t *npull) +{ + struct ctdb_rec_buffer *val; + size_t offset = 0, np; + size_t length; + int ret; + + val = talloc(mem_ctx, struct ctdb_rec_buffer); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->db_id, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->count, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + /* Since there is no buflen provided, walk the records to + * validate the length of the buffer. + */ + val->buf = buf+offset; + val->buflen = buflen-offset; + + length = 0; + ret = ctdb_rec_buffer_traverse(val, NULL, &length); + if (ret != 0) { + goto fail; + } + + if (length > buflen-offset) { + ret = EMSGSIZE; + goto fail; + } + + val->buf = talloc_memdup(val, buf+offset, length); + if (val->buf == NULL) { + ret = ENOMEM; + goto fail; + } + val->buflen = length; + offset += length; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +struct ctdb_rec_buffer *ctdb_rec_buffer_init(TALLOC_CTX *mem_ctx, + uint32_t db_id) +{ + struct ctdb_rec_buffer *recbuf; + + recbuf = talloc_zero(mem_ctx, struct ctdb_rec_buffer); + if (recbuf == NULL) { + return recbuf; + } + + recbuf->db_id = db_id; + + return recbuf; +} + +int ctdb_rec_buffer_add(TALLOC_CTX *mem_ctx, struct ctdb_rec_buffer *recbuf, + uint32_t reqid, struct ctdb_ltdb_header *header, + TDB_DATA key, TDB_DATA data) +{ + struct ctdb_rec_data recdata; + size_t len, np; + uint8_t *ptr; + + recdata.reqid = reqid; + recdata.header = header; + recdata.key = key; + recdata.data = data; + + len = ctdb_rec_data_len(&recdata); + + ptr = talloc_realloc(mem_ctx, recbuf->buf, uint8_t, + recbuf->buflen + len); + if (ptr == NULL) { + return ENOMEM; + } + + ctdb_rec_data_push(&recdata, &ptr[recbuf->buflen], &np); + + recbuf->count++; + recbuf->buf = ptr; + recbuf->buflen += np; + return 0; +} + +int ctdb_rec_buffer_traverse(struct ctdb_rec_buffer *recbuf, + ctdb_rec_parser_func_t func, + void *private_data) +{ + TDB_DATA key, data; + uint32_t reqid; + size_t offset, reclen; + unsigned int i; + int ret = 0; + + offset = 0; + for (i=0; i<recbuf->count; i++) { + ret = ctdb_rec_data_pull_data(&recbuf->buf[offset], + recbuf->buflen - offset, + &reqid, &key, &data, &reclen); + if (ret != 0) { + return ret; + } + + if (func != NULL) { + ret = func(reqid, NULL, key, data, private_data); + if (ret != 0) { + break; + } + } + + offset += reclen; + } + + if (ret != 0) { + return ret; + } + + if (func == NULL) { + size_t *length = (size_t *)private_data; + + *length = offset; + } + + return 0; +} + +int ctdb_rec_buffer_write(struct ctdb_rec_buffer *recbuf, int fd) +{ + ssize_t n; + + n = write(fd, &recbuf->db_id, sizeof(uint32_t)); + if (n == -1 || (size_t)n != sizeof(uint32_t)) { + return (errno != 0 ? errno : EIO); + } + n = write(fd, &recbuf->count, sizeof(uint32_t)); + if (n == -1 || (size_t)n != sizeof(uint32_t)) { + return (errno != 0 ? errno : EIO); + } + n = write(fd, &recbuf->buflen, sizeof(size_t)); + if (n == -1 || (size_t)n != sizeof(size_t)) { + return (errno != 0 ? errno : EIO); + } + n = write(fd, recbuf->buf, recbuf->buflen); + if (n == -1 || (size_t)n != recbuf->buflen) { + return (errno != 0 ? errno : EIO); + } + + return 0; +} + +int ctdb_rec_buffer_read(int fd, TALLOC_CTX *mem_ctx, + struct ctdb_rec_buffer **out) +{ + struct ctdb_rec_buffer *recbuf; + ssize_t n; + + recbuf = talloc(mem_ctx, struct ctdb_rec_buffer); + if (recbuf == NULL) { + return ENOMEM; + } + + n = read(fd, &recbuf->db_id, sizeof(uint32_t)); + if (n == -1 || (size_t)n != sizeof(uint32_t)) { + return (errno != 0 ? errno : EIO); + } + n = read(fd, &recbuf->count, sizeof(uint32_t)); + if (n == -1 || (size_t)n != sizeof(uint32_t)) { + return (errno != 0 ? errno : EIO); + } + n = read(fd, &recbuf->buflen, sizeof(size_t)); + if (n == -1 || (size_t)n != sizeof(size_t)) { + return (errno != 0 ? errno : EIO); + } + + recbuf->buf = talloc_size(recbuf, recbuf->buflen); + if (recbuf->buf == NULL) { + return ENOMEM; + } + + n = read(fd, recbuf->buf, recbuf->buflen); + if (n == -1 || (size_t)n != recbuf->buflen) { + return (errno != 0 ? errno : EIO); + } + + *out = recbuf; + return 0; +} + +size_t ctdb_traverse_start_len(struct ctdb_traverse_start *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_uint32_len(&in->reqid) + + ctdb_uint64_len(&in->srvid); +} + +void ctdb_traverse_start_push(struct ctdb_traverse_start *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->reqid, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&in->srvid, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_traverse_start_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_traverse_start **out, size_t *npull) +{ + struct ctdb_traverse_start *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_traverse_start); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->db_id, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->reqid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &val->srvid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_traverse_all_len(struct ctdb_traverse_all *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_uint32_len(&in->reqid) + + ctdb_uint32_len(&in->pnn) + + ctdb_uint32_len(&in->client_reqid) + + ctdb_uint64_len(&in->srvid); +} + +void ctdb_traverse_all_push(struct ctdb_traverse_all *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->reqid, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->pnn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->client_reqid, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&in->srvid, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_traverse_all_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_traverse_all **out, size_t *npull) +{ + struct ctdb_traverse_all *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_traverse_all); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->db_id, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->reqid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->pnn, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->client_reqid, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &val->srvid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_traverse_start_ext_len(struct ctdb_traverse_start_ext *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_uint32_len(&in->reqid) + + ctdb_uint64_len(&in->srvid) + + ctdb_bool_len(&in->withemptyrecords) + + ctdb_padding_len(7); +} + +void ctdb_traverse_start_ext_push(struct ctdb_traverse_start_ext *in, + uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->reqid, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&in->srvid, buf+offset, &np); + offset += np; + + ctdb_bool_push(&in->withemptyrecords, buf+offset, &np); + offset += np; + + ctdb_padding_push(7, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_traverse_start_ext_pull(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_traverse_start_ext **out, + size_t *npull) +{ + struct ctdb_traverse_start_ext *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_traverse_start_ext); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->db_id, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->reqid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &val->srvid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_bool_pull(buf+offset, buflen-offset, + &val->withemptyrecords, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 7, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_traverse_all_ext_len(struct ctdb_traverse_all_ext *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_uint32_len(&in->reqid) + + ctdb_uint32_len(&in->pnn) + + ctdb_uint32_len(&in->client_reqid) + + ctdb_uint64_len(&in->srvid) + + ctdb_bool_len(&in->withemptyrecords) + + ctdb_padding_len(7); +} + +void ctdb_traverse_all_ext_push(struct ctdb_traverse_all_ext *in, + uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->reqid, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->pnn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->client_reqid, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&in->srvid, buf+offset, &np); + offset += np; + + ctdb_bool_push(&in->withemptyrecords, buf+offset, &np); + offset += np; + + ctdb_padding_push(7, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_traverse_all_ext_pull(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_traverse_all_ext **out, + size_t *npull) +{ + struct ctdb_traverse_all_ext *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_traverse_all_ext); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->db_id, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->reqid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->pnn, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->client_reqid, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &val->srvid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_bool_pull(buf+offset, buflen-offset, + &val->withemptyrecords, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 7, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_sock_addr_len(ctdb_sock_addr *in) +{ + return sizeof(ctdb_sock_addr); +} + +void ctdb_sock_addr_push(ctdb_sock_addr *in, uint8_t *buf, size_t *npush) +{ + memcpy(buf, in, sizeof(ctdb_sock_addr)); + *npush = sizeof(ctdb_sock_addr); +} + +int ctdb_sock_addr_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, ctdb_sock_addr *out, + size_t *npull) +{ + if (buflen < sizeof(ctdb_sock_addr)) { + return EMSGSIZE; + } + + memcpy(out, buf, sizeof(ctdb_sock_addr)); + *npull = sizeof(ctdb_sock_addr); + + return 0; +} + +int ctdb_sock_addr_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + ctdb_sock_addr **out, size_t *npull) +{ + ctdb_sock_addr *val; + size_t np; + int ret; + + val = talloc(mem_ctx, ctdb_sock_addr); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_sock_addr_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + talloc_free(val); + return ret; + } + + *out = val; + *npull = np; + return ret; +} + +size_t ctdb_connection_len(struct ctdb_connection *in) +{ + return ctdb_sock_addr_len(&in->src) + + ctdb_sock_addr_len(&in->dst); +} + +void ctdb_connection_push(struct ctdb_connection *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_sock_addr_push(&in->src, buf+offset, &np); + offset += np; + + ctdb_sock_addr_push(&in->dst, buf+offset, &np); + offset += np; + + *npush = offset; +} + +static int ctdb_connection_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_connection *out, + size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_sock_addr_pull_elems(buf+offset, buflen-offset, + mem_ctx, &out->src, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_sock_addr_pull_elems(buf+offset, buflen-offset, + mem_ctx, &out->dst, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +int ctdb_connection_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_connection **out, size_t *npull) +{ + struct ctdb_connection *val; + size_t np; + int ret; + + val = talloc(mem_ctx, struct ctdb_connection); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_connection_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + talloc_free(val); + return ret; + } + + *out = val; + *npull = np; + return ret; +} + +size_t ctdb_connection_list_len(struct ctdb_connection_list *in) +{ + size_t len; + + len = ctdb_uint32_len(&in->num); + if (in->num > 0) { + len += in->num * ctdb_connection_len(&in->conn[0]); + } + + return len; +} + +void ctdb_connection_list_push(struct ctdb_connection_list *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + uint32_t i; + + ctdb_uint32_push(&in->num, buf+offset, &np); + offset += np; + + for (i=0; i<in->num; i++) { + ctdb_connection_push(&in->conn[i], buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +int ctdb_connection_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_connection_list **out, size_t *npull) +{ + struct ctdb_connection_list *val; + size_t offset = 0, np; + uint32_t i; + int ret; + + val = talloc(mem_ctx, struct ctdb_connection_list); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->num, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + if (val->num == 0) { + val->conn = NULL; + goto done; + } + + val->conn = talloc_array(val, struct ctdb_connection, val->num); + if (val->conn == NULL) { + ret = ENOMEM; + goto fail; + } + + for (i=0; i<val->num; i++) { + ret = ctdb_connection_pull_elems(buf+offset, buflen-offset, + val, &val->conn[i], &np); + if (ret != 0) { + goto fail; + } + offset += np; + } + +done: + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_tunable_len(struct ctdb_tunable *in) +{ + return ctdb_uint32_len(&in->value) + + ctdb_stringn_len(&in->name); +} + +void ctdb_tunable_push(struct ctdb_tunable *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->value, buf+offset, &np); + offset += np; + + ctdb_stringn_push(&in->name, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_tunable_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_tunable **out, size_t *npull) +{ + struct ctdb_tunable *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_tunable); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->value, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_stringn_pull(buf+offset, buflen-offset, mem_ctx, + &val->name, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_node_flag_change_len(struct ctdb_node_flag_change *in) +{ + return ctdb_uint32_len(&in->pnn) + + ctdb_uint32_len(&in->new_flags) + + ctdb_uint32_len(&in->old_flags); +} + +void ctdb_node_flag_change_push(struct ctdb_node_flag_change *in, + uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->pnn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->new_flags, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->old_flags, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_node_flag_change_pull(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_node_flag_change **out, + size_t *npull) +{ + struct ctdb_node_flag_change *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_node_flag_change); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->pnn, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->new_flags, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->old_flags, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_var_list_len(struct ctdb_var_list *in) +{ + uint32_t u32 = 0; + int i; + + for (i=0; i<in->count; i++) { + u32 += ctdb_string_len(&in->var[i]); + } + + return ctdb_uint32_len(&u32) + u32; +} + +void ctdb_var_list_push(struct ctdb_var_list *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + uint32_t u32; + int i; + uint8_t sep = ':'; + + /* The length only corresponds to the payload size */ + u32 = ctdb_var_list_len(in); + u32 -= ctdb_uint32_len(&u32); + + ctdb_uint32_push(&u32, buf+offset, &np); + offset += np; + + /* The variables are separated by ':' and the complete string is null + * terminated. + */ + for (i=0; i<in->count; i++) { + ctdb_string_push(&in->var[i], buf+offset, &np); + offset += np; + + if (i < in->count - 1) { + /* Replace '\0' with ':' */ + ctdb_uint8_push(&sep, buf+offset-1, &np); + } + } + + *npush = offset; +} + +int ctdb_var_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_var_list **out, size_t *npull) +{ + struct ctdb_var_list *val; + const char *str, **list; + char *s, *tok, *ptr = NULL; + size_t offset = 0, np; + uint32_t u32; + int ret; + + val = talloc_zero(mem_ctx, struct ctdb_var_list); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + if (buflen-offset < u32) { + ret = EMSGSIZE; + goto fail; + } + + ret = ctdb_string_pull(buf+offset, u32, val, &str, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + s = discard_const(str); + while ((tok = strtok_r(s, ":", &ptr)) != NULL) { + list = talloc_realloc(val, val->var, const char *, + val->count+1); + if (list == NULL) { + ret = ENOMEM; + goto fail; + } + + val->var = list; + + s = talloc_strdup(val, tok); + if (s == NULL) { + ret = ENOMEM; + goto fail; + } + + val->var[val->count] = s; + val->count += 1; + s = NULL; + } + + talloc_free(discard_const(str)); + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_tunable_list_len(struct ctdb_tunable_list *in) +{ + return ctdb_uint32_len(&in->max_redirect_count) + + ctdb_uint32_len(&in->seqnum_interval) + + ctdb_uint32_len(&in->control_timeout) + + ctdb_uint32_len(&in->traverse_timeout) + + ctdb_uint32_len(&in->keepalive_interval) + + ctdb_uint32_len(&in->keepalive_limit) + + ctdb_uint32_len(&in->recover_timeout) + + ctdb_uint32_len(&in->recover_interval) + + ctdb_uint32_len(&in->election_timeout) + + ctdb_uint32_len(&in->takeover_timeout) + + ctdb_uint32_len(&in->monitor_interval) + + ctdb_uint32_len(&in->tickle_update_interval) + + ctdb_uint32_len(&in->script_timeout) + + ctdb_uint32_len(&in->monitor_timeout_count) + + ctdb_uint32_len(&in->script_unhealthy_on_timeout) + + ctdb_uint32_len(&in->recovery_grace_period) + + ctdb_uint32_len(&in->recovery_ban_period) + + ctdb_uint32_len(&in->database_hash_size) + + ctdb_uint32_len(&in->database_max_dead) + + ctdb_uint32_len(&in->rerecovery_timeout) + + ctdb_uint32_len(&in->enable_bans) + + ctdb_uint32_len(&in->deterministic_public_ips) + + ctdb_uint32_len(&in->reclock_ping_period) + + ctdb_uint32_len(&in->no_ip_failback) + + ctdb_uint32_len(&in->disable_ip_failover) + + ctdb_uint32_len(&in->verbose_memory_names) + + ctdb_uint32_len(&in->recd_ping_timeout) + + ctdb_uint32_len(&in->recd_ping_failcount) + + ctdb_uint32_len(&in->log_latency_ms) + + ctdb_uint32_len(&in->reclock_latency_ms) + + ctdb_uint32_len(&in->recovery_drop_all_ips) + + ctdb_uint32_len(&in->verify_recovery_lock) + + ctdb_uint32_len(&in->vacuum_interval) + + ctdb_uint32_len(&in->vacuum_max_run_time) + + ctdb_uint32_len(&in->repack_limit) + + ctdb_uint32_len(&in->vacuum_limit) + + ctdb_uint32_len(&in->max_queue_depth_drop_msg) + + ctdb_uint32_len(&in->allow_unhealthy_db_read) + + ctdb_uint32_len(&in->stat_history_interval) + + ctdb_uint32_len(&in->deferred_attach_timeout) + + ctdb_uint32_len(&in->vacuum_fast_path_count) + + ctdb_uint32_len(&in->lcp2_public_ip_assignment) + + ctdb_uint32_len(&in->allow_client_db_attach) + + ctdb_uint32_len(&in->recover_pdb_by_seqnum) + + ctdb_uint32_len(&in->deferred_rebalance_on_node_add) + + ctdb_uint32_len(&in->fetch_collapse) + + ctdb_uint32_len(&in->hopcount_make_sticky) + + ctdb_uint32_len(&in->sticky_duration) + + ctdb_uint32_len(&in->sticky_pindown) + + ctdb_uint32_len(&in->no_ip_takeover) + + ctdb_uint32_len(&in->db_record_count_warn) + + ctdb_uint32_len(&in->db_record_size_warn) + + ctdb_uint32_len(&in->db_size_warn) + + ctdb_uint32_len(&in->pulldb_preallocation_size) + + ctdb_uint32_len(&in->no_ip_host_on_all_disabled) + + ctdb_uint32_len(&in->samba3_hack) + + ctdb_uint32_len(&in->mutex_enabled) + + ctdb_uint32_len(&in->lock_processes_per_db) + + ctdb_uint32_len(&in->rec_buffer_size_limit) + + ctdb_uint32_len(&in->queue_buffer_size) + + ctdb_uint32_len(&in->ip_alloc_algorithm) + + ctdb_uint32_len(&in->allow_mixed_versions); +} + +void ctdb_tunable_list_push(struct ctdb_tunable_list *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->max_redirect_count, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->seqnum_interval, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->control_timeout, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->traverse_timeout, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->keepalive_interval, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->keepalive_limit, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->recover_timeout, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->recover_interval, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->election_timeout, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->takeover_timeout, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->monitor_interval, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->tickle_update_interval, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->script_timeout, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->monitor_timeout_count, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->script_unhealthy_on_timeout, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->recovery_grace_period, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->recovery_ban_period, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->database_hash_size, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->database_max_dead, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->rerecovery_timeout, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->enable_bans, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->deterministic_public_ips, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->reclock_ping_period, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->no_ip_failback, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->disable_ip_failover, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->verbose_memory_names, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->recd_ping_timeout, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->recd_ping_failcount, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->log_latency_ms, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->reclock_latency_ms, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->recovery_drop_all_ips, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->verify_recovery_lock, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->vacuum_interval, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->vacuum_max_run_time, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->repack_limit, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->vacuum_limit, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->max_queue_depth_drop_msg, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->allow_unhealthy_db_read, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->stat_history_interval, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->deferred_attach_timeout, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->vacuum_fast_path_count, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->lcp2_public_ip_assignment, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->allow_client_db_attach, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->recover_pdb_by_seqnum, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->deferred_rebalance_on_node_add, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->fetch_collapse, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->hopcount_make_sticky, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->sticky_duration, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->sticky_pindown, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->no_ip_takeover, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->db_record_count_warn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->db_record_size_warn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->db_size_warn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->pulldb_preallocation_size, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->no_ip_host_on_all_disabled, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->samba3_hack, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->mutex_enabled, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->lock_processes_per_db, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->rec_buffer_size_limit, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->queue_buffer_size, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->ip_alloc_algorithm, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->allow_mixed_versions, buf+offset, &np); + offset += np; + + *npush = offset; +} + +static int ctdb_tunable_list_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_tunable_list *out, + size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->max_redirect_count, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->seqnum_interval, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->control_timeout, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->traverse_timeout, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->keepalive_interval, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->keepalive_limit, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->recover_timeout, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->recover_interval, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->election_timeout, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->takeover_timeout, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->monitor_interval, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->tickle_update_interval, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->script_timeout, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->monitor_timeout_count, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->script_unhealthy_on_timeout, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->recovery_grace_period, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->recovery_ban_period, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->database_hash_size, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->database_max_dead, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->rerecovery_timeout, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->enable_bans, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->deterministic_public_ips, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->reclock_ping_period, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->no_ip_failback, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->disable_ip_failover, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->verbose_memory_names, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->recd_ping_timeout, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->recd_ping_failcount, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->log_latency_ms, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->reclock_latency_ms, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->recovery_drop_all_ips, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->verify_recovery_lock, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->vacuum_interval, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->vacuum_max_run_time, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->repack_limit, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->vacuum_limit, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->max_queue_depth_drop_msg, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->allow_unhealthy_db_read, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->stat_history_interval, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->deferred_attach_timeout, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->vacuum_fast_path_count, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->lcp2_public_ip_assignment, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->allow_client_db_attach, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->recover_pdb_by_seqnum, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->deferred_rebalance_on_node_add, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->fetch_collapse, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->hopcount_make_sticky, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->sticky_duration, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->sticky_pindown, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->no_ip_takeover, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->db_record_count_warn, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->db_record_size_warn, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->db_size_warn, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->pulldb_preallocation_size, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->no_ip_host_on_all_disabled, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->samba3_hack, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->mutex_enabled, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->lock_processes_per_db, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->rec_buffer_size_limit, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->queue_buffer_size, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->ip_alloc_algorithm, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->allow_mixed_versions, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +int ctdb_tunable_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_tunable_list **out, size_t *npull) +{ + struct ctdb_tunable_list *val; + size_t np; + int ret; + + val = talloc(mem_ctx, struct ctdb_tunable_list); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_tunable_list_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + talloc_free(val); + return ret; + } + + *out = val; + *npull = np; + return 0; +} + +size_t ctdb_tickle_list_len(struct ctdb_tickle_list *in) +{ + size_t len; + + len = ctdb_sock_addr_len(&in->addr) + + ctdb_uint32_len(&in->num); + if (in->num > 0) { + len += in->num * ctdb_connection_len(&in->conn[0]); + } + + return len; +} + +void ctdb_tickle_list_push(struct ctdb_tickle_list *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + uint32_t i; + + ctdb_sock_addr_push(&in->addr, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->num, buf+offset, &np); + offset += np; + + for (i=0; i<in->num; i++) { + ctdb_connection_push(&in->conn[i], buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +int ctdb_tickle_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_tickle_list **out, size_t *npull) +{ + struct ctdb_tickle_list *val; + size_t offset = 0, np; + uint32_t i; + int ret; + + val = talloc(mem_ctx, struct ctdb_tickle_list); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_sock_addr_pull_elems(buf+offset, buflen-offset, val, + &val->addr, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->num, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + if (val->num == 0) { + val->conn = NULL; + goto done; + } + + val->conn = talloc_array(val, struct ctdb_connection, val->num); + if (val->conn == NULL) { + ret = ENOMEM; + goto fail; + } + + for (i=0; i<val->num; i++) { + ret = ctdb_connection_pull_elems(buf+offset, buflen-offset, + val, &val->conn[i], &np); + if (ret != 0) { + goto fail; + } + offset += np; + } + +done: + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_addr_info_len(struct ctdb_addr_info *in) +{ + return ctdb_sock_addr_len(&in->addr) + + ctdb_uint32_len(&in->mask) + + ctdb_stringn_len(&in->iface); +} + +void ctdb_addr_info_push(struct ctdb_addr_info *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_sock_addr_push(&in->addr, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->mask, buf+offset, &np); + offset += np; + + ctdb_stringn_push(&in->iface, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_addr_info_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_addr_info **out, size_t *npull) +{ + struct ctdb_addr_info *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_addr_info); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_sock_addr_pull_elems(buf+offset, buflen-offset, val, + &val->addr, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->mask, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_stringn_pull(buf+offset, buflen-offset, val, &val->iface, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_transdb_len(struct ctdb_transdb *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_uint32_len(&in->tid); +} + +void ctdb_transdb_push(struct ctdb_transdb *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->tid, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_transdb_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_transdb **out, size_t *npull) +{ + struct ctdb_transdb *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_transdb); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->db_id, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->tid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_uptime_len(struct ctdb_uptime *in) +{ + return ctdb_timeval_len(&in->current_time) + + ctdb_timeval_len(&in->ctdbd_start_time) + + ctdb_timeval_len(&in->last_recovery_started) + + ctdb_timeval_len(&in->last_recovery_finished); +} + +void ctdb_uptime_push(struct ctdb_uptime *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_timeval_push(&in->current_time, buf+offset, &np); + offset += np; + + ctdb_timeval_push(&in->ctdbd_start_time, buf+offset, &np); + offset += np; + + ctdb_timeval_push(&in->last_recovery_started, buf+offset, &np); + offset += np; + + ctdb_timeval_push(&in->last_recovery_finished, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_uptime_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_uptime **out, size_t *npull) +{ + struct ctdb_uptime *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_uptime); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_timeval_pull(buf+offset, buflen-offset, &val->current_time, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_timeval_pull(buf+offset, buflen-offset, + &val->ctdbd_start_time, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_timeval_pull(buf+offset, buflen-offset, + &val->last_recovery_started, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_timeval_pull(buf+offset, buflen-offset, + &val->last_recovery_finished, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_public_ip_len(struct ctdb_public_ip *in) +{ + return ctdb_uint32_len(&in->pnn) + + ctdb_sock_addr_len(&in->addr); +} + +void ctdb_public_ip_push(struct ctdb_public_ip *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->pnn, buf+offset, &np); + offset += np; + + ctdb_sock_addr_push(&in->addr, buf+offset, &np); + offset += np; + + *npush = offset; +} + +static int ctdb_public_ip_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_public_ip *out, size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->pnn, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_sock_addr_pull_elems(buf+offset, buflen-offset, mem_ctx, + &out->addr, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +int ctdb_public_ip_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_public_ip **out, size_t *npull) +{ + struct ctdb_public_ip *val; + size_t np; + int ret; + + val = talloc(mem_ctx, struct ctdb_public_ip); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_public_ip_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + TALLOC_FREE(val); + return ret; + } + + *out = val; + *npull = np; + return ret; +} + +size_t ctdb_public_ip_list_len(struct ctdb_public_ip_list *in) +{ + size_t len; + + len = ctdb_uint32_len(&in->num); + if (in->num > 0) { + len += in->num * ctdb_public_ip_len(&in->ip[0]); + } + + return len; +} + +void ctdb_public_ip_list_push(struct ctdb_public_ip_list *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + uint32_t i; + + ctdb_uint32_push(&in->num, buf+offset, &np); + offset += np; + + for (i=0; i<in->num; i++) { + ctdb_public_ip_push(&in->ip[i], buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +int ctdb_public_ip_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_public_ip_list **out, size_t *npull) +{ + struct ctdb_public_ip_list *val; + size_t offset = 0, np; + uint32_t i; + int ret; + + val = talloc(mem_ctx, struct ctdb_public_ip_list); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->num, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + if (val->num == 0) { + val->ip = NULL; + goto done; + } + + val->ip = talloc_array(val, struct ctdb_public_ip, val->num); + if (val->ip == NULL) { + ret = ENOMEM; + goto fail; + } + + for (i=0; i<val->num; i++) { + ret = ctdb_public_ip_pull_elems(buf+offset, buflen-offset, + val->ip, &val->ip[i], &np); + if (ret != 0) { + goto fail; + } + offset += np; + } + +done: + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_node_and_flags_len(struct ctdb_node_and_flags *in) +{ + return ctdb_uint32_len(&in->pnn) + + ctdb_uint32_len(&in->flags) + + ctdb_sock_addr_len(&in->addr); +} + +void ctdb_node_and_flags_push(struct ctdb_node_and_flags *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->pnn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->flags, buf+offset, &np); + offset += np; + + ctdb_sock_addr_push(&in->addr, buf+offset, &np); + offset += np; + + *npush = offset; +} + +static int ctdb_node_and_flags_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_node_and_flags *out, + size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->pnn, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->flags, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_sock_addr_pull_elems(buf+offset, buflen-offset, mem_ctx, + &out->addr, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +int ctdb_node_and_flags_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_node_and_flags **out, size_t *npull) +{ + struct ctdb_node_and_flags *val; + size_t np; + int ret; + + val = talloc(mem_ctx, struct ctdb_node_and_flags); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_node_and_flags_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + TALLOC_FREE(val); + return ret; + } + + *out = val; + *npull = np; + return ret; +} + +size_t ctdb_node_map_len(struct ctdb_node_map *in) +{ + size_t len; + + len = ctdb_uint32_len(&in->num); + if (in->num > 0) { + len += in->num * ctdb_node_and_flags_len(&in->node[0]); + } + + return len; +} + +void ctdb_node_map_push(struct ctdb_node_map *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + uint32_t i; + + ctdb_uint32_push(&in->num, buf+offset, &np); + offset += np; + + for (i=0; i<in->num; i++) { + ctdb_node_and_flags_push(&in->node[i], buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +int ctdb_node_map_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_node_map **out, size_t *npull) +{ + struct ctdb_node_map *val; + size_t offset = 0, np; + uint32_t i; + int ret; + + val = talloc(mem_ctx, struct ctdb_node_map); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->num, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + if (val->num == 0) { + val->node = NULL; + goto done; + } + + val->node = talloc_array(val, struct ctdb_node_and_flags, val->num); + if (val->node == NULL) { + ret = ENOMEM; + goto fail; + } + + for (i=0; i<val->num; i++) { + ret = ctdb_node_and_flags_pull_elems(buf+offset, + buflen-offset, + val->node, &val->node[i], + &np); + if (ret != 0) { + goto fail; + } + offset += np; + } + +done: + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_script_len(struct ctdb_script *in) +{ + return ctdb_chararray_len(in->name, MAX_SCRIPT_NAME+1) + + ctdb_timeval_len(&in->start) + + ctdb_timeval_len(&in->finished) + + ctdb_int32_len(&in->status) + + ctdb_chararray_len(in->output, MAX_SCRIPT_OUTPUT+1) + + ctdb_padding_len(4); +} + +void ctdb_script_push(struct ctdb_script *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_chararray_push(in->name, MAX_SCRIPT_NAME+1, buf+offset, &np); + offset += np; + + ctdb_timeval_push(&in->start, buf+offset, &np); + offset += np; + + ctdb_timeval_push(&in->finished, buf+offset, &np); + offset += np; + + ctdb_int32_push(&in->status, buf+offset, &np); + offset += np; + + ctdb_chararray_push(in->output, MAX_SCRIPT_OUTPUT+1, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + *npush = offset; +} + +static int ctdb_script_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_script *out, size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_chararray_pull(buf+offset, buflen-offset, + out->name, MAX_SCRIPT_NAME+1, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_timeval_pull(buf+offset, buflen-offset, &out->start, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_timeval_pull(buf+offset, buflen-offset, &out->finished, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_int32_pull(buf+offset, buflen-offset, &out->status, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_chararray_pull(buf+offset, buflen-offset, + out->output, MAX_SCRIPT_OUTPUT+1, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +int ctdb_script_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_script **out, size_t *npull) +{ + struct ctdb_script *val; + size_t np; + int ret; + + val = talloc(mem_ctx, struct ctdb_script); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_script_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + TALLOC_FREE(val); + return ret; + } + + *out = val; + *npull = np; + return ret; +} + +size_t ctdb_script_list_len(struct ctdb_script_list *in) +{ + size_t len; + + if (in == NULL) { + return 0; + } + + len = ctdb_uint32_len(&in->num_scripts) + ctdb_padding_len(4); + if (in->num_scripts > 0) { + len += in->num_scripts * ctdb_script_len(&in->script[0]); + } + + return len; +} + +void ctdb_script_list_push(struct ctdb_script_list *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + uint32_t i; + + if (in == NULL) { + *npush = 0; + return; + } + + ctdb_uint32_push(&in->num_scripts, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + for (i=0; i<in->num_scripts; i++) { + ctdb_script_push(&in->script[i], buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +int ctdb_script_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_script_list **out, size_t *npull) +{ + struct ctdb_script_list *val; + size_t offset = 0, np; + uint32_t i; + int ret; + + /* If event scripts have never been run, the result will be NULL */ + if (buflen == 0) { + val = NULL; + goto done; + } + + val = talloc(mem_ctx, struct ctdb_script_list); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->num_scripts, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + if (val->num_scripts == 0) { + val->script = NULL; + goto done; + } + + val->script = talloc_array(val, struct ctdb_script, val->num_scripts); + if (val->script == NULL) { + ret = ENOMEM; + goto fail; + } + + for (i=0; i<val->num_scripts; i++) { + ret = ctdb_script_pull_elems(buf+offset, buflen-offset, + val, &val->script[i], &np); + if (ret != 0) { + goto fail; + } + offset += np; + } + +done: + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_ban_state_len(struct ctdb_ban_state *in) +{ + return ctdb_uint32_len(&in->pnn) + + ctdb_uint32_len(&in->time); +} + +void ctdb_ban_state_push(struct ctdb_ban_state *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->pnn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->time, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_ban_state_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_ban_state **out, size_t *npull) +{ + struct ctdb_ban_state *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_ban_state); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->pnn, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->time, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_notify_data_len(struct ctdb_notify_data *in) +{ + return ctdb_uint64_len(&in->srvid) + + ctdb_tdb_datan_len(&in->data); +} + +void ctdb_notify_data_push(struct ctdb_notify_data *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint64_push(&in->srvid, buf+offset, &np); + offset += np; + + ctdb_tdb_datan_push(&in->data, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_notify_data_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_notify_data **out, size_t *npull) +{ + struct ctdb_notify_data *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_notify_data); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &val->srvid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_tdb_datan_pull(buf+offset, buflen-offset, val, &val->data, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_iface_len(struct ctdb_iface *in) +{ + return ctdb_chararray_len(in->name, CTDB_IFACE_SIZE+2) + + ctdb_uint16_len(&in->link_state) + + ctdb_uint32_len(&in->references); +} + +void ctdb_iface_push(struct ctdb_iface *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_chararray_push(in->name, CTDB_IFACE_SIZE+2, buf+offset, &np); + offset += np; + + ctdb_uint16_push(&in->link_state, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->references, buf+offset, &np); + offset += np; + + *npush = offset; +} + +static int ctdb_iface_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_iface *out, size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_chararray_pull(buf+offset, buflen-offset, + out->name, CTDB_IFACE_SIZE+2, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint16_pull(buf+offset, buflen-offset, &out->link_state, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->references, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +int ctdb_iface_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_iface **out, size_t *npull) +{ + struct ctdb_iface *val; + size_t np; + int ret; + + val = talloc(mem_ctx, struct ctdb_iface); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_iface_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + talloc_free(val); + return ret; + } + + *out = val; + *npull = np; + return ret; +} + +size_t ctdb_iface_list_len(struct ctdb_iface_list *in) +{ + size_t len; + + len = ctdb_uint32_len(&in->num); + if (in->num > 0) { + len += in->num * ctdb_iface_len(&in->iface[0]); + } + + return len; +} + +void ctdb_iface_list_push(struct ctdb_iface_list *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + uint32_t i; + + ctdb_uint32_push(&in->num, buf+offset, &np); + offset += np; + + for (i=0; i<in->num; i++) { + ctdb_iface_push(&in->iface[i], buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +int ctdb_iface_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_iface_list **out, size_t *npull) +{ + struct ctdb_iface_list *val; + size_t offset = 0, np; + uint32_t i; + int ret; + + val = talloc(mem_ctx, struct ctdb_iface_list); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->num, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + if (val->num == 0) { + val->iface = NULL; + goto done; + } + + val->iface = talloc_array(val, struct ctdb_iface, val->num); + if (val->iface == NULL) { + ret = ENOMEM; + goto fail; + } + + for (i=0; i<val->num; i++) { + ret = ctdb_iface_pull_elems(buf+offset, buflen-offset, + val, &val->iface[i], &np); + if (ret != 0) { + goto fail; + } + offset += np; + } + +done: + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_public_ip_info_len(struct ctdb_public_ip_info *in) +{ + return ctdb_public_ip_len(&in->ip) + + ctdb_uint32_len(&in->active_idx) + + ctdb_iface_list_len(in->ifaces); +} + +void ctdb_public_ip_info_push(struct ctdb_public_ip_info *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_public_ip_push(&in->ip, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->active_idx, buf+offset, &np); + offset += np; + + ctdb_iface_list_push(in->ifaces, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_public_ip_info_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_public_ip_info **out, size_t *npull) +{ + struct ctdb_public_ip_info *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_public_ip_info); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_public_ip_pull_elems(buf+offset, buflen-offset, val, + &val->ip, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->active_idx, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_iface_list_pull(buf+offset, buflen-offset, val, + &val->ifaces, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_key_data_len(struct ctdb_key_data *in) +{ + return ctdb_uint32_len(&in->db_id) + + ctdb_padding_len(4) + + ctdb_ltdb_header_len(&in->header) + + ctdb_tdb_datan_len(&in->key); +} + +void ctdb_key_data_push(struct ctdb_key_data *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->db_id, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_ltdb_header_push(&in->header, buf+offset, &np); + offset += np; + + ctdb_tdb_datan_push(&in->key, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_key_data_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_key_data **out, size_t *npull) +{ + struct ctdb_key_data *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_key_data); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->db_id, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_ltdb_header_pull(buf+offset, buflen-offset, &val->header, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_tdb_datan_pull(buf+offset, buflen-offset, val, &val->key, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +/* In the tdb_data structure marshalling, we are only interested in dsize. + * The dptr value is ignored. The actual tdb_data blob is stored separately. + * + * This is only required for ctdb_db_statistics and will be dropped in future. + */ + +static size_t tdb_data_struct_len(TDB_DATA *data) +{ + return sizeof(void *) + sizeof(size_t); +} + +static void tdb_data_struct_push(TDB_DATA *data, uint8_t *buf, size_t *npush) +{ + size_t offset = 0; + + memcpy(buf+offset, &data->dptr, sizeof(void *)); + offset += sizeof(void *); + + memcpy(buf+offset, &data->dsize, sizeof(size_t)); + offset += sizeof(size_t); + + *npush = offset; +} + +static int tdb_data_struct_pull(uint8_t *buf, size_t buflen, TDB_DATA *data, + size_t *npull) +{ + size_t offset = 0; + void *ptr; + + if (buflen-offset < sizeof(void *)) { + return EMSGSIZE; + } + + memcpy(&ptr, buf+offset, sizeof(void *)); + offset += sizeof(void *); + data->dptr = NULL; + + if (buflen-offset < sizeof(size_t)) { + return EMSGSIZE; + } + + memcpy(&data->dsize, buf+offset, sizeof(size_t)); + offset += sizeof(size_t); + + *npull = offset; + return 0; +} + +size_t ctdb_db_statistics_len(struct ctdb_db_statistics *in) +{ + TDB_DATA data = { 0 }; + size_t len; + uint32_t u32 = 0; + int i; + + len = ctdb_uint32_len(&in->locks.num_calls) + + ctdb_uint32_len(&in->locks.num_current) + + ctdb_uint32_len(&in->locks.num_pending) + + ctdb_uint32_len(&in->locks.num_failed) + + ctdb_latency_counter_len(&in->locks.latency) + + MAX_COUNT_BUCKETS * + ctdb_uint32_len(&in->locks.buckets[0]) + + ctdb_latency_counter_len(&in->vacuum.latency) + + ctdb_uint32_len(&in->db_ro_delegations) + + ctdb_uint32_len(&in->db_ro_revokes) + + MAX_COUNT_BUCKETS * + ctdb_uint32_len(&in->hop_count_bucket[0]) + + ctdb_uint32_len(&in->num_hot_keys) + + ctdb_padding_len(4) + + MAX_HOT_KEYS * + (ctdb_uint32_len(&u32) + ctdb_padding_len(4) + + tdb_data_struct_len(&data)); + + for (i=0; i<MAX_HOT_KEYS; i++) { + len += ctdb_tdb_data_len(&in->hot_keys[i].key); + } + + return len; +} + +void ctdb_db_statistics_push(struct ctdb_db_statistics *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + uint32_t num_hot_keys; + int i; + + ctdb_uint32_push(&in->locks.num_calls, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->locks.num_current, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->locks.num_pending, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->locks.num_failed, buf+offset, &np); + offset += np; + + ctdb_latency_counter_push(&in->locks.latency, buf+offset, &np); + offset += np; + + for (i=0; i<MAX_COUNT_BUCKETS; i++) { + ctdb_uint32_push(&in->locks.buckets[i], buf+offset, &np); + offset += np; + } + + ctdb_latency_counter_push(&in->vacuum.latency, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->db_ro_delegations, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->db_ro_revokes, buf+offset, &np); + offset += np; + + for (i=0; i<MAX_COUNT_BUCKETS; i++) { + ctdb_uint32_push(&in->hop_count_bucket[i], buf+offset, &np); + offset += np; + } + + num_hot_keys = MAX_HOT_KEYS; + ctdb_uint32_push(&num_hot_keys, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + for (i=0; i<MAX_HOT_KEYS; i++) { + ctdb_uint32_push(&in->hot_keys[i].count, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + tdb_data_struct_push(&in->hot_keys[i].key, buf+offset, &np); + offset += np; + } + + for (i=0; i<MAX_HOT_KEYS; i++) { + ctdb_tdb_data_push(&in->hot_keys[i].key, buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +static int ctdb_db_statistics_pull_elems(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_db_statistics *out, + size_t *npull) +{ + size_t offset = 0, np; + int ret, i; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->locks.num_calls, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->locks.num_current, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->locks.num_pending, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->locks.num_failed, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_latency_counter_pull(buf+offset, buflen-offset, + &out->locks.latency, &np); + if (ret != 0) { + return ret; + } + offset += np; + + for (i=0; i<MAX_COUNT_BUCKETS; i++) { + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->locks.buckets[i], &np); + if (ret != 0) { + return ret; + } + offset += np; + } + + ret = ctdb_latency_counter_pull(buf+offset, buflen-offset, + &out->vacuum.latency, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->db_ro_delegations, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->db_ro_revokes, &np); + if (ret != 0) { + return ret; + } + offset += np; + + for (i=0; i<MAX_COUNT_BUCKETS; i++) { + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->hop_count_bucket[i], &np); + if (ret != 0) { + return ret; + } + offset += np; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->num_hot_keys, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + for (i=0; i<MAX_HOT_KEYS; i++) { + ret = ctdb_uint32_pull(buf+offset, buflen-offset, + &out->hot_keys[i].count, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = tdb_data_struct_pull(buf+offset, buflen-offset, + &out->hot_keys[i].key, &np); + if (ret != 0) { + return ret; + } + offset += np; + } + + for (i=0; i<MAX_HOT_KEYS; i++) { + ret = ctdb_tdb_data_pull(buf+offset, + out->hot_keys[i].key.dsize, + out, &out->hot_keys[i].key, &np); + if (ret != 0) { + return ret; + } + offset += np; + } + + *npull = offset; + return 0; +} + +int ctdb_db_statistics_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_db_statistics **out, size_t *npull) +{ + struct ctdb_db_statistics *val; + size_t np; + int ret; + + val = talloc(mem_ctx, struct ctdb_db_statistics); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_db_statistics_pull_elems(buf, buflen, val, val, &np); + if (ret != 0) { + talloc_free(val); + return ret; + } + + *out = val; + *npull = np; + return 0; +} + +size_t ctdb_pid_srvid_len(struct ctdb_pid_srvid *in) +{ + return ctdb_pid_len(&in->pid) + + ctdb_uint64_len(&in->srvid); +} + +void ctdb_pid_srvid_push(struct ctdb_pid_srvid *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_pid_push(&in->pid, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&in->srvid, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_pid_srvid_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_pid_srvid **out, size_t *npull) +{ + struct ctdb_pid_srvid *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_pid_srvid); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_pid_pull(buf+offset, buflen-offset, &val->pid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &val->srvid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_election_message_len(struct ctdb_election_message *in) +{ + return ctdb_uint32_len(&in->num_connected) + + ctdb_padding_len(4) + + ctdb_timeval_len(&in->priority_time) + + ctdb_uint32_len(&in->pnn) + + ctdb_uint32_len(&in->node_flags); +} + +void ctdb_election_message_push(struct ctdb_election_message *in, + uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->num_connected, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_timeval_push(&in->priority_time, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->pnn, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->node_flags, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_election_message_pull(uint8_t *buf, size_t buflen, + TALLOC_CTX *mem_ctx, + struct ctdb_election_message **out, + size_t *npull) +{ + struct ctdb_election_message *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_election_message); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->num_connected, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_timeval_pull(buf+offset, buflen-offset, + &val->priority_time, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->pnn, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->node_flags, + &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_srvid_message_len(struct ctdb_srvid_message *in) +{ + return ctdb_uint32_len(&in->pnn) + + ctdb_padding_len(4) + + ctdb_uint64_len(&in->srvid); +} + +void ctdb_srvid_message_push(struct ctdb_srvid_message *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->pnn, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&in->srvid, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_srvid_message_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_srvid_message **out, size_t *npull) +{ + struct ctdb_srvid_message *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_srvid_message); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->pnn, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &val->srvid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_disable_message_len(struct ctdb_disable_message *in) +{ + return ctdb_uint32_len(&in->pnn) + + ctdb_padding_len(4) + + ctdb_uint64_len(&in->srvid) + + ctdb_uint32_len(&in->timeout) + + ctdb_padding_len(4); +} + +void ctdb_disable_message_push(struct ctdb_disable_message *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint32_push(&in->pnn, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&in->srvid, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->timeout, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_disable_message_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_disable_message **out, + size_t *npull) +{ + struct ctdb_disable_message *val; + size_t offset = 0, np; + int ret; + + val = talloc(mem_ctx, struct ctdb_disable_message); + if (val == NULL) { + return ENOMEM; + } + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->pnn, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &val->srvid, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &val->timeout, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + goto fail; + } + offset += np; + + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} + +size_t ctdb_server_id_len(struct ctdb_server_id *in) +{ + return ctdb_uint64_len(&in->pid) + + ctdb_uint32_len(&in->task_id) + + ctdb_uint32_len(&in->vnn) + + ctdb_uint64_len(&in->unique_id); +} + +void ctdb_server_id_push(struct ctdb_server_id *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + + ctdb_uint64_push(&in->pid, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->task_id, buf+offset, &np); + offset += np; + + ctdb_uint32_push(&in->vnn, buf+offset, &np); + offset += np; + + ctdb_uint64_push(&in->unique_id, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_server_id_pull(uint8_t *buf, size_t buflen, + struct ctdb_server_id *out, size_t *npull) +{ + size_t offset = 0, np; + int ret; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &out->pid, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->task_id, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &out->vnn, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_uint64_pull(buf+offset, buflen-offset, &out->unique_id, + &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +size_t ctdb_g_lock_len(struct ctdb_g_lock *in) +{ + return ctdb_uint32_len(&in->type) + + ctdb_padding_len(4) + + ctdb_server_id_len(&in->sid); +} + +void ctdb_g_lock_push(struct ctdb_g_lock *in, uint8_t *buf, size_t *npush) +{ + size_t offset = 0, np; + uint32_t type; + + type = in->type; + ctdb_uint32_push(&type, buf+offset, &np); + offset += np; + + ctdb_padding_push(4, buf+offset, &np); + offset += np; + + ctdb_server_id_push(&in->sid, buf+offset, &np); + offset += np; + + *npush = offset; +} + +int ctdb_g_lock_pull(uint8_t *buf, size_t buflen, struct ctdb_g_lock *out, + size_t *npull) +{ + size_t offset = 0, np; + int ret; + uint32_t type; + + ret = ctdb_uint32_pull(buf+offset, buflen-offset, &type, &np); + if (ret != 0) { + return ret; + } + offset += np; + + if (type == 0) { + out->type = CTDB_G_LOCK_READ; + } else if (type == 1) { + out->type = CTDB_G_LOCK_WRITE; + } else { + return EPROTO; + } + + ret = ctdb_padding_pull(buf+offset, buflen-offset, 4, &np); + if (ret != 0) { + return ret; + } + offset += np; + + ret = ctdb_server_id_pull(buf+offset, buflen-offset, &out->sid, &np); + if (ret != 0) { + return ret; + } + offset += np; + + *npull = offset; + return 0; +} + +size_t ctdb_g_lock_list_len(struct ctdb_g_lock_list *in) +{ + size_t len = 0; + + if (in->num > 0) { + len += in->num * ctdb_g_lock_len(&in->lock[0]); + } + + return len; +} + +void ctdb_g_lock_list_push(struct ctdb_g_lock_list *in, uint8_t *buf, + size_t *npush) +{ + size_t offset = 0, np; + uint32_t i; + + for (i=0; i<in->num; i++) { + ctdb_g_lock_push(&in->lock[i], buf+offset, &np); + offset += np; + } + + *npush = offset; +} + +int ctdb_g_lock_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx, + struct ctdb_g_lock_list **out, size_t *npull) +{ + struct ctdb_g_lock_list *val; + struct ctdb_g_lock lock = { 0 }; + size_t offset = 0, np; + uint32_t i; + int ret; + + val = talloc(mem_ctx, struct ctdb_g_lock_list); + if (val == NULL) { + return ENOMEM; + } + + if (buflen == 0) { + val->lock = NULL; + val->num = 0; + goto done; + } + + val->num = buflen / ctdb_g_lock_len(&lock); + + val->lock = talloc_array(val, struct ctdb_g_lock, val->num); + if (val->lock == NULL) { + ret = ENOMEM; + goto fail; + } + + for (i=0; i<val->num; i++) { + ret = ctdb_g_lock_pull(buf+offset, buflen-offset, + &val->lock[i], &np); + if (ret != 0) { + goto fail; + } + offset += np; + } + +done: + *out = val; + *npull = offset; + return 0; + +fail: + talloc_free(val); + return ret; +} diff --git a/ctdb/protocol/protocol_util.c b/ctdb/protocol/protocol_util.c new file mode 100644 index 0000000..87ecc87 --- /dev/null +++ b/ctdb/protocol/protocol_util.c @@ -0,0 +1,773 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include "replace.h" +#include "system/network.h" + +#include <talloc.h> + +#include "common/line.h" + +#include "protocol.h" +#include "protocol_util.h" +#include "lib/util/util.h" +#include "lib/util/smb_strtox.h" + +static struct { + enum ctdb_runstate runstate; + const char * label; +} runstate_map[] = { + { CTDB_RUNSTATE_UNKNOWN, "UNKNOWN" }, + { CTDB_RUNSTATE_INIT, "INIT" }, + { CTDB_RUNSTATE_SETUP, "SETUP" }, + { CTDB_RUNSTATE_FIRST_RECOVERY, "FIRST_RECOVERY" }, + { CTDB_RUNSTATE_STARTUP, "STARTUP" }, + { CTDB_RUNSTATE_RUNNING, "RUNNING" }, + { CTDB_RUNSTATE_SHUTDOWN, "SHUTDOWN" }, + { -1, NULL }, +}; + +const char *ctdb_runstate_to_string(enum ctdb_runstate runstate) +{ + int i; + + for (i=0; runstate_map[i].label != NULL; i++) { + if (runstate_map[i].runstate == runstate) { + return runstate_map[i].label; + } + } + + return runstate_map[0].label; +} + +enum ctdb_runstate ctdb_runstate_from_string(const char *runstate_str) +{ + int i; + + for (i=0; runstate_map[i].label != NULL; i++) { + if (strcasecmp(runstate_map[i].label, + runstate_str) == 0) { + return runstate_map[i].runstate; + } + } + + return CTDB_RUNSTATE_UNKNOWN; +} + +static struct { + enum ctdb_event event; + const char *label; +} event_map[] = { + { CTDB_EVENT_INIT, "init" }, + { CTDB_EVENT_SETUP, "setup" }, + { CTDB_EVENT_STARTUP, "startup" }, + { CTDB_EVENT_START_RECOVERY, "startrecovery" }, + { CTDB_EVENT_RECOVERED, "recovered" }, + { CTDB_EVENT_TAKE_IP, "takeip" }, + { CTDB_EVENT_RELEASE_IP, "releaseip" }, + { CTDB_EVENT_MONITOR, "monitor" }, + { CTDB_EVENT_SHUTDOWN, "shutdown" }, + { CTDB_EVENT_UPDATE_IP, "updateip" }, + { CTDB_EVENT_IPREALLOCATED, "ipreallocated" }, + { CTDB_EVENT_MAX, "all" }, + { -1, NULL }, +}; + +const char *ctdb_event_to_string(enum ctdb_event event) +{ + int i; + + for (i=0; event_map[i].label != NULL; i++) { + if (event_map[i].event == event) { + return event_map[i].label; + } + } + + return "unknown"; +} + +enum ctdb_event ctdb_event_from_string(const char *event_str) +{ + int i; + + for (i=0; event_map[i].label != NULL; i++) { + if (strcmp(event_map[i].label, event_str) == 0) { + return event_map[i].event; + } + } + + return CTDB_EVENT_MAX; +} + +int ctdb_sock_addr_to_buf(char *buf, socklen_t buflen, + ctdb_sock_addr *addr, bool with_port) +{ + const char *t; + size_t len = 0; + + switch (addr->sa.sa_family) { + case AF_INET: + t = inet_ntop(addr->ip.sin_family, &addr->ip.sin_addr, + buf, buflen); + if (t == NULL) { + return errno; + } + if (with_port) { + len = strlen(buf); + } + break; + + case AF_INET6: { + char tmp[INET6_ADDRSTRLEN]; + + t = inet_ntop(addr->ip6.sin6_family, + &addr->ip6.sin6_addr, + tmp, + sizeof(tmp)); + if (t == NULL) { + return errno; + } + + if (with_port) { + int ret = snprintf(buf, buflen, "[%s]", tmp); + if (ret < 0) { + return ENOSPC; + } + len = (size_t)ret; + } else { + len = strlcpy(buf, tmp, buflen); + } + if (len >= buflen){ + return ENOSPC; + } + break; + } + + default: + return EAFNOSUPPORT; + break; + } + + if (with_port) { + int ret; + + ret = snprintf(buf+len, buflen-len, + ":%u", ctdb_sock_addr_port(addr)); + if (ret < 0 || (size_t)ret >= buflen-len) { + return ENOSPC; + } + } + + return 0; +} + +char *ctdb_sock_addr_to_string(TALLOC_CTX *mem_ctx, + ctdb_sock_addr *addr, + bool with_port) +{ + size_t len = 64; + char *cip; + int ret; + + cip = talloc_size(mem_ctx, len); + + if (cip == NULL) { + return NULL; + } + + ret = ctdb_sock_addr_to_buf(cip, len, addr, with_port); + if (ret != 0) { + talloc_free(cip); + return NULL; + } + + return cip; +} + +static int ipv4_from_string(const char *str, struct sockaddr_in *ip) +{ + int ret; + + *ip = (struct sockaddr_in) { + .sin_family = AF_INET, + }; + + ret = inet_pton(AF_INET, str, &ip->sin_addr); + if (ret != 1) { + return EINVAL; + } + +#ifdef HAVE_SOCK_SIN_LEN + ip->sin_len = sizeof(*ip); +#endif + return 0; +} + +static int ipv6_from_string(const char *str, struct sockaddr_in6 *ip6) +{ + int ret; + + *ip6 = (struct sockaddr_in6) { + .sin6_family = AF_INET6, + }; + + ret = inet_pton(AF_INET6, str, &ip6->sin6_addr); + if (ret != 1) { + return EINVAL; + } + +#ifdef HAVE_SOCK_SIN6_LEN + ip6->sin6_len = sizeof(*ip6); +#endif + return 0; +} + +static int ip_from_string(const char *str, ctdb_sock_addr *addr) +{ + char *p; + int ret; + + if (addr == NULL) { + return EINVAL; + } + + ZERO_STRUCTP(addr); /* valgrind :-) */ + + /* IPv4 or IPv6 address? + * + * Use strrchr() because we need the right-most ':' below for + * IPv4-mapped IPv6 addresses anyway... + */ + p = strrchr(str, ':'); + if (p == NULL) { + ret = ipv4_from_string(str, &addr->ip); + } else { + static const uint8_t ipv4_mapped_prefix[12] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff + }; + size_t len = strlen(str); + char s[64]; + + len = strlcpy(s, str, sizeof(s)); + if (len >= sizeof(s)) { + return EINVAL; + } + + if ((len >= 2) && (s[0] == '[') && (s[len-1] == ']')) { + s[len-1] = '\0'; + str = s+1; + p = strrchr(str, ':'); + } + + ret = ipv6_from_string(str, &addr->ip6); + if (ret != 0) { + return ret; + } + + /* + * Check for IPv4-mapped IPv6 address + * (e.g. ::ffff:192.0.2.128) - reparse as IPv4 if + * necessary + */ + if (memcmp(&addr->ip6.sin6_addr.s6_addr[0], + ipv4_mapped_prefix, + sizeof(ipv4_mapped_prefix)) == 0) { + /* Initialize addr struct to zero before reparsing as IPV4 */ + ZERO_STRUCTP(addr); + + /* Reparse as IPv4 */ + ret = ipv4_from_string(p+1, &addr->ip); + } + } + + return ret; +} + +int ctdb_sock_addr_from_string(const char *str, + ctdb_sock_addr *addr, bool with_port) +{ + char *p; + char s[64]; /* Much longer than INET6_ADDRSTRLEN */ + unsigned port; + size_t len; + int ret; + + if (! with_port) { + ret = ip_from_string(str, addr); + return ret; + } + + /* Parse out port number and then IP address */ + + len = strlcpy(s, str, sizeof(s)); + if (len >= sizeof(s)) { + return EINVAL; + } + + p = strrchr(s, ':'); + if (p == NULL) { + return EINVAL; + } + + port = smb_strtoul(p+1, NULL, 10, &ret, SMB_STR_FULL_STR_CONV); + if (ret != 0) { + /* Empty string or trailing garbage */ + return EINVAL; + } + + *p = '\0'; + ret = ip_from_string(s, addr); + + ctdb_sock_addr_set_port(addr, port); + + return ret; +} + +int ctdb_sock_addr_mask_from_string(const char *str, + ctdb_sock_addr *addr, + unsigned int *mask) +{ + char *p; + char s[64]; /* Much longer than INET6_ADDRSTRLEN */ + unsigned int m; + size_t len; + int ret = 0; + + if (addr == NULL || mask == NULL) { + return EINVAL; + } + + len = strlcpy(s, str, sizeof(s)); + if (len >= sizeof(s)) { + return EINVAL; + } + + p = strrchr(s, '/'); + if (p == NULL) { + return EINVAL; + } + + m = smb_strtoul(p+1, NULL, 10, &ret, SMB_STR_FULL_STR_CONV); + if (ret != 0) { + /* Empty string or trailing garbage */ + return EINVAL; + } + + *p = '\0'; + ret = ip_from_string(s, addr); + + if (ret == 0) { + *mask = m; + } + + return ret; +} + +unsigned int ctdb_sock_addr_port(ctdb_sock_addr *addr) +{ + switch (addr->sa.sa_family) { + case AF_INET: + return ntohs(addr->ip.sin_port); + break; + case AF_INET6: + return ntohs(addr->ip6.sin6_port); + break; + default: + return 0; + } +} + +void ctdb_sock_addr_set_port(ctdb_sock_addr *addr, unsigned int port) +{ + switch (addr->sa.sa_family) { + case AF_INET: + addr->ip.sin_port = htons(port); + break; + case AF_INET6: + addr->ip6.sin6_port = htons(port); + break; + default: + break; + } +} + +static int ctdb_sock_addr_cmp_family(const ctdb_sock_addr *addr1, + const ctdb_sock_addr *addr2) +{ + /* This is somewhat arbitrary. However, when used for sorting + * it just needs to be consistent. + */ + if (addr1->sa.sa_family < addr2->sa.sa_family) { + return -1; + } + if (addr1->sa.sa_family > addr2->sa.sa_family) { + return 1; + } + + return 0; +} + +int ctdb_sock_addr_cmp_ip(const ctdb_sock_addr *addr1, + const ctdb_sock_addr *addr2) +{ + int ret; + + ret = ctdb_sock_addr_cmp_family(addr1, addr2); + if (ret != 0) { + return ret; + } + + switch (addr1->sa.sa_family) { + case AF_INET: + ret = memcmp(&addr1->ip.sin_addr.s_addr, + &addr2->ip.sin_addr.s_addr, 4); + break; + + case AF_INET6: + ret = memcmp(addr1->ip6.sin6_addr.s6_addr, + addr2->ip6.sin6_addr.s6_addr, 16); + break; + + default: + ret = -1; + } + + return ret; +} + +int ctdb_sock_addr_cmp(const ctdb_sock_addr *addr1, + const ctdb_sock_addr *addr2) +{ + int ret = 0; + + ret = ctdb_sock_addr_cmp_ip(addr1, addr2); + if (ret != 0) { + return ret; + } + + switch (addr1->sa.sa_family) { + case AF_INET: + if (addr1->ip.sin_port < addr2->ip.sin_port) { + ret = -1; + } else if (addr1->ip.sin_port > addr2->ip.sin_port) { + ret = 1; + } + break; + + case AF_INET6: + if (addr1->ip6.sin6_port < addr2->ip6.sin6_port) { + ret = -1; + } else if (addr1->ip6.sin6_port > addr2->ip6.sin6_port) { + ret = 1; + } + break; + + default: + ret = -1; + } + + return ret; +} + +bool ctdb_sock_addr_same_ip(const ctdb_sock_addr *addr1, + const ctdb_sock_addr *addr2) +{ + return (ctdb_sock_addr_cmp_ip(addr1, addr2) == 0); +} + +bool ctdb_sock_addr_same(const ctdb_sock_addr *addr1, + const ctdb_sock_addr *addr2) +{ + return (ctdb_sock_addr_cmp(addr1, addr2) == 0); +} + +bool ctdb_connection_same(const struct ctdb_connection *conn1, + const struct ctdb_connection *conn2) +{ + bool same; + + same = ctdb_sock_addr_same(&conn1->src, &conn2->src); + if (!same) { + return false; + } + + same = ctdb_sock_addr_same(&conn1->dst, &conn2->dst); + if (!same) { + return false; + } + + return true; +} + +int ctdb_connection_to_buf(char *buf, + size_t buflen, + struct ctdb_connection *conn, + bool client_first, + const char *sep) +{ + char server[64], client[64]; + int ret; + + ret = ctdb_sock_addr_to_buf(server, sizeof(server), + &conn->server, true); + if (ret != 0) { + return ret; + } + + ret = ctdb_sock_addr_to_buf(client, sizeof(client), + &conn->client, true); + if (ret != 0) { + return ret; + } + + if (! client_first) { + ret = snprintf(buf, buflen, "%s%s%s", server, sep, client); + } else { + ret = snprintf(buf, buflen, "%s%s%s", client, sep, server); + } + if (ret < 0 || (size_t)ret >= buflen) { + return ENOSPC; + } + + return 0; +} + +char *ctdb_connection_to_string(TALLOC_CTX *mem_ctx, + struct ctdb_connection *conn, + bool client_first) +{ + const size_t len = 128; + char *out; + int ret; + + out = talloc_size(mem_ctx, len); + if (out == NULL) { + return NULL; + } + + ret = ctdb_connection_to_buf(out, len, conn, client_first, " "); + if (ret != 0) { + talloc_free(out); + return NULL; + } + + return out; +} + +int ctdb_connection_from_string(const char *str, bool client_first, + struct ctdb_connection *conn) +{ + char s[128]; + char *t1 = NULL, *t2 = NULL; + size_t len; + ctdb_sock_addr *first = (client_first ? &conn->client : &conn->server); + ctdb_sock_addr *second = (client_first ? &conn->server : &conn->client); + int ret; + + len = strlcpy(s, str, sizeof(s)); + if (len >= sizeof(s)) { + return EINVAL; + } + + t1 = strtok(s, " \t\n"); + if (t1 == NULL) { + return EINVAL; + } + + t2 = strtok(NULL, " \t\n\0"); + if (t2 == NULL) { + return EINVAL; + } + + ret = ctdb_sock_addr_from_string(t1, first, true); + if (ret != 0) { + return ret; + } + + ret = ctdb_sock_addr_from_string(t2, second, true); + if (ret != 0) { + return ret; + } + + ret = ctdb_sock_addr_cmp_family(first, second); + if (ret != 0) { + return EINVAL; + } + + return 0; +} + +int ctdb_connection_list_add(struct ctdb_connection_list *conn_list, + struct ctdb_connection *conn) +{ + uint32_t len; + + if (conn_list == NULL) { + return EINVAL; + } + + /* Ensure array is big enough */ + len = talloc_array_length(conn_list->conn); + if (conn_list->num == len) { + conn_list->conn = talloc_realloc(conn_list, conn_list->conn, + struct ctdb_connection, + len+128); + if (conn_list->conn == NULL) { + return ENOMEM; + } + } + + conn_list->conn[conn_list->num] = *conn; + conn_list->num++; + + return 0; +} + +static int connection_cmp(const void *a, const void *b) +{ + const struct ctdb_connection *conn_a = a; + const struct ctdb_connection *conn_b = b; + int ret; + + ret = ctdb_sock_addr_cmp(&conn_a->server, &conn_b->server); + if (ret == 0) { + ret = ctdb_sock_addr_cmp(&conn_a->client, &conn_b->client); + } + + return ret; +} + +int ctdb_connection_list_sort(struct ctdb_connection_list *conn_list) +{ + if (conn_list == NULL) { + return EINVAL; + } + + if (conn_list->num > 0) { + qsort(conn_list->conn, conn_list->num, + sizeof(struct ctdb_connection), connection_cmp); + } + + return 0; +} + +char *ctdb_connection_list_to_string( + TALLOC_CTX *mem_ctx, + struct ctdb_connection_list *conn_list, bool client_first) +{ + uint32_t i; + char *out; + + out = talloc_strdup(mem_ctx, ""); + if (out == NULL) { + return NULL; + } + + if (conn_list == NULL || conn_list->num == 0) { + return out; + } + + for (i = 0; i < conn_list->num; i++) { + char buf[128]; + int ret; + + ret = ctdb_connection_to_buf(buf, + sizeof(buf), + &conn_list->conn[i], + client_first, + " "); + if (ret != 0) { + talloc_free(out); + return NULL; + } + + out = talloc_asprintf_append(out, "%s\n", buf); + if (out == NULL) { + return NULL; + } + } + + return out; +} + +struct ctdb_connection_list_read_state { + struct ctdb_connection_list *list; + bool client_first; +}; + +static int ctdb_connection_list_read_line(char *line, void *private_data) +{ + struct ctdb_connection_list_read_state *state = + (struct ctdb_connection_list_read_state *)private_data; + struct ctdb_connection conn; + int ret; + + /* Skip empty lines */ + if (line[0] == '\0') { + return 0; + } + + /* Comment */ + if (line[0] == '#') { + return 0; + } + + ret = ctdb_connection_from_string(line, state->client_first, &conn); + if (ret != 0) { + return ret; + } + + ret = ctdb_connection_list_add(state->list, &conn); + if (ret != 0) { + return ret; + } + + return 0; +} + +int ctdb_connection_list_read(TALLOC_CTX *mem_ctx, + int fd, + bool client_first, + struct ctdb_connection_list **conn_list) +{ + struct ctdb_connection_list_read_state state; + int ret; + + if (conn_list == NULL) { + return EINVAL; + } + + state.list = talloc_zero(mem_ctx, struct ctdb_connection_list); + if (state.list == NULL) { + return ENOMEM; + } + + state.client_first = client_first; + + ret = line_read(fd, + 128, + mem_ctx, + ctdb_connection_list_read_line, + &state, + NULL); + + *conn_list = state.list; + + return ret; +} diff --git a/ctdb/protocol/protocol_util.h b/ctdb/protocol/protocol_util.h new file mode 100644 index 0000000..70f35d1 --- /dev/null +++ b/ctdb/protocol/protocol_util.h @@ -0,0 +1,83 @@ +/* + CTDB protocol marshalling + + Copyright (C) Amitay Isaacs 2015 + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#ifndef __CTDB_PROTOCOL_UTIL_H__ +#define __CTDB_PROTOCOL_UTIL_H__ + +#include <talloc.h> + +#include "protocol/protocol.h" + +const char *ctdb_runstate_to_string(enum ctdb_runstate runstate); +enum ctdb_runstate ctdb_runstate_from_string(const char *runstate_str); + +const char *ctdb_event_to_string(enum ctdb_event event); +enum ctdb_event ctdb_event_from_string(const char *event_str); + +/* + * buflen must be long enough to hold the longest possible "address:port". + * For example, 1122:3344:5566:7788:99aa:bbcc:ddee:ff00:12345. + * 64 is sane value for buflen. + */ +int ctdb_sock_addr_to_buf(char *buf, socklen_t buflen, + ctdb_sock_addr *addr, bool with_port); +char *ctdb_sock_addr_to_string(TALLOC_CTX *mem_ctx, + ctdb_sock_addr *addr, bool with_port); +int ctdb_sock_addr_from_string(const char *str, + ctdb_sock_addr *addr, bool with_port); +int ctdb_sock_addr_mask_from_string(const char *str, + ctdb_sock_addr *addr, + unsigned int *mask); +unsigned int ctdb_sock_addr_port(ctdb_sock_addr *addr); +void ctdb_sock_addr_set_port(ctdb_sock_addr *addr, unsigned int port); +int ctdb_sock_addr_cmp_ip(const ctdb_sock_addr *addr1, + const ctdb_sock_addr *addr2); +int ctdb_sock_addr_cmp(const ctdb_sock_addr *addr1, + const ctdb_sock_addr *addr2); +bool ctdb_sock_addr_same_ip(const ctdb_sock_addr *addr1, + const ctdb_sock_addr *addr2); +bool ctdb_sock_addr_same(const ctdb_sock_addr *addr1, + const ctdb_sock_addr *addr2); + +bool ctdb_connection_same(const struct ctdb_connection *conn1, + const struct ctdb_connection *conn2); + +int ctdb_connection_to_buf(char *buf, + size_t buflen, + struct ctdb_connection * conn, + bool client_first, + const char *sep); +char *ctdb_connection_to_string(TALLOC_CTX *mem_ctx, + struct ctdb_connection * conn, + bool client_first); +int ctdb_connection_from_string(const char *str, bool client_first, + struct ctdb_connection *conn); + +int ctdb_connection_list_add(struct ctdb_connection_list *conn_list, + struct ctdb_connection *conn); +int ctdb_connection_list_sort(struct ctdb_connection_list *conn_list); +char *ctdb_connection_list_to_string( + TALLOC_CTX *mem_ctx, + struct ctdb_connection_list *conn_list, bool client_first); +int ctdb_connection_list_read(TALLOC_CTX *mem_ctx, + int fd, + bool client_first, + struct ctdb_connection_list **conn_list); + +#endif /* __CTDB_PROTOCOL_UTIL_H__ */ |