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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /ctdb/include/ctdb_protocol.h
parentInitial commit. (diff)
downloadsamba-upstream.tar.xz
samba-upstream.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ctdb/include/ctdb_protocol.h')
-rw-r--r--ctdb/include/ctdb_protocol.h301
1 files changed, 301 insertions, 0 deletions
diff --git a/ctdb/include/ctdb_protocol.h b/ctdb/include/ctdb_protocol.h
new file mode 100644
index 0000000..7b6014f
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+++ b/ctdb/include/ctdb_protocol.h
@@ -0,0 +1,301 @@
+/*
+ ctdb database library
+
+ Copyright (C) Andrew Tridgell 2006
+
+ 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 <sys/socket.h>
+#include "protocol/protocol.h"
+
+/* define ctdb port number */
+#define CTDB_PORT 4379
+
+/* we must align packets to ensure ctdb works on all architectures (eg. sparc) */
+#define CTDB_DS_ALIGNMENT 8
+
+/*
+ structure passed to a ctdb call backend function
+*/
+struct ctdb_call_info {
+ TDB_DATA key; /* record key */
+ struct ctdb_ltdb_header *header;
+ TDB_DATA record_data; /* current data in the record */
+ TDB_DATA *new_data; /* optionally updated record data */
+ TDB_DATA *call_data; /* optionally passed from caller */
+ TDB_DATA *reply_data; /* optionally returned by function */
+ uint32_t status; /* optional reply status - defaults to zero */
+};
+
+/*
+ ctdb flags
+*/
+#define CTDB_FLAG_TORTURE (1<<1)
+
+struct ctdb_script_list_old {
+ uint32_t num_scripts;
+ struct ctdb_script scripts[1];
+};
+
+/* Mapping from enum to names. */
+extern const char *ctdb_eventscript_call_names[];
+
+/*
+ packet structures
+*/
+struct ctdb_req_call_old {
+ struct ctdb_req_header hdr;
+ uint32_t flags;
+ uint32_t db_id;
+ uint32_t callid;
+ uint32_t hopcount;
+ uint32_t keylen;
+ uint32_t calldatalen;
+ uint8_t data[1]; /* key[] followed by calldata[] */
+};
+
+struct ctdb_reply_call_old {
+ struct ctdb_req_header hdr;
+ uint32_t status;
+ uint32_t datalen;
+ uint8_t data[1];
+};
+
+struct ctdb_reply_error_old {
+ struct ctdb_req_header hdr;
+ uint32_t status;
+ uint32_t msglen;
+ uint8_t msg[1];
+};
+
+struct ctdb_req_dmaster_old {
+ struct ctdb_req_header hdr;
+ uint32_t db_id;
+ uint64_t rsn;
+ uint32_t dmaster;
+ uint32_t keylen;
+ uint32_t datalen;
+ uint8_t data[1];
+};
+
+struct ctdb_reply_dmaster_old {
+ struct ctdb_req_header hdr;
+ uint32_t db_id;
+ uint64_t rsn;
+ uint32_t keylen;
+ uint32_t datalen;
+ uint8_t data[1];
+};
+
+struct ctdb_req_message_old {
+ struct ctdb_req_header hdr;
+ uint64_t srvid;
+ uint32_t datalen;
+ uint8_t data[1];
+};
+
+struct ctdb_req_control_old {
+ struct ctdb_req_header hdr;
+ uint32_t opcode;
+ uint32_t pad;
+ uint64_t srvid;
+ uint32_t client_id;
+ uint32_t flags;
+ uint32_t datalen;
+ uint8_t data[1];
+};
+
+struct ctdb_reply_control_old {
+ struct ctdb_req_header hdr;
+ int32_t status;
+ uint32_t datalen;
+ uint32_t errorlen;
+ uint8_t data[1];
+};
+
+struct ctdb_req_keepalive_old {
+ struct ctdb_req_header hdr;
+ uint32_t version;
+ uint32_t uptime;
+};
+
+struct ctdb_req_tunnel_old {
+ struct ctdb_req_header hdr;
+ uint64_t tunnel_id;
+ uint32_t flags;
+ uint32_t datalen;
+ uint8_t data[1];
+};
+
+/*
+ Structure used for a nodemap.
+ The nodemap is the structure containing a list of all nodes
+ known to the cluster and their associated flags.
+*/
+struct ctdb_node_map_old {
+ uint32_t num;
+ struct ctdb_node_and_flags nodes[1];
+};
+
+struct ctdb_public_ip_list_old {
+ uint32_t num;
+ struct ctdb_public_ip ips[1];
+};
+
+/*
+ structure used to pass record data between the child and parent
+ */
+struct ctdb_rec_data_old {
+ uint32_t length;
+ uint32_t reqid;
+ uint32_t keylen;
+ uint32_t datalen;
+ uint8_t data[1];
+};
+
+/*
+ * wire format for statistics history
+ */
+struct ctdb_statistics_list_old {
+ uint32_t num;
+ struct ctdb_statistics stats[1];
+};
+
+/*
+ * db statistics
+ */
+struct ctdb_db_statistics_old {
+ 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];
+ char hot_keys_wire[1];
+};
+
+/*
+ a wire representation of the vnn map
+ */
+struct ctdb_vnn_map_wire {
+ uint32_t generation;
+ uint32_t size;
+ uint32_t map[1];
+};
+
+struct ctdb_notify_data_old {
+ uint64_t srvid;
+ uint32_t len;
+ uint8_t notify_data[1];
+};
+
+/* table that contains a list of all dbids on a node
+ */
+struct ctdb_dbid_map_old {
+ uint32_t num;
+ struct ctdb_dbid dbs[1];
+};
+
+/* the list of tcp tickles used by get/set tcp tickle list */
+struct ctdb_tickle_list_old {
+ ctdb_sock_addr addr;
+ uint32_t num;
+ struct ctdb_connection connections[1];
+};
+
+/*
+ struct holding a ctdb_sock_addr and an interface name,
+ used to add/remove public addresses and grat arp
+ */
+struct ctdb_addr_info_old {
+ ctdb_sock_addr addr;
+ uint32_t mask;
+ uint32_t len;
+ char iface[1];
+};
+
+/* structure used for sending lists of records */
+struct ctdb_marshall_buffer {
+ uint32_t db_id;
+ uint32_t count;
+ uint8_t data[1];
+};
+
+/*
+ structure for setting a tunable
+ */
+struct ctdb_tunable_old {
+ uint32_t value;
+ uint32_t length;
+ uint8_t name[1];
+};
+
+/*
+ structure for getting a tunable
+ */
+struct ctdb_control_get_tunable {
+ uint32_t length;
+ uint8_t name[1];
+};
+
+/*
+ structure for listing tunables
+ */
+struct ctdb_control_list_tunable {
+ uint32_t length;
+ /* returns a : separated list of tunable names */
+ uint8_t data[1];
+};
+
+
+struct ctdb_public_ip_info_old {
+ struct ctdb_public_ip ip;
+ uint32_t active_idx;
+ uint32_t num;
+ struct ctdb_iface ifaces[1];
+};
+
+struct ctdb_iface_list_old {
+ uint32_t num;
+ struct ctdb_iface ifaces[1];
+};
+
+/**
+ * structure to pass to a schedule_for_deletion_control
+ */
+struct ctdb_control_schedule_for_deletion {
+ uint32_t db_id;
+ struct ctdb_ltdb_header hdr;
+ uint32_t keylen;
+ uint8_t key[1]; /* key[] */
+};
+
+#endif