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Diffstat (limited to '')
| -rw-r--r-- | ctdb/common/common.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/ctdb/common/common.h b/ctdb/common/common.h new file mode 100644 index 0000000..9a73bec --- /dev/null +++ b/ctdb/common/common.h @@ -0,0 +1,160 @@ +/* + ctdb database library + + 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_COMMON_H__ +#define __CTDB_COMMON_H__ + +#include "lib/util/attr.h" + +/* From common/ctdb_io.c */ + +typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length, + void *private_data); + +uint32_t ctdb_queue_length(struct ctdb_queue *queue); + +int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length); + +int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd); + +struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb, + TALLOC_CTX *mem_ctx, int fd, int alignment, + ctdb_queue_cb_fn_t callback, + void *private_data, const char *fmt, ...) + PRINTF_ATTRIBUTE(7,8); + +/* From common/ctdb_ltdb.c */ + +int ctdb_db_tdb_flags(uint8_t db_flags, bool with_valgrind, bool with_mutex); + +struct ctdb_db_context *ctdb_db_handle(struct ctdb_context *ctdb, + const char *name); + +bool ctdb_db_persistent(struct ctdb_db_context *ctdb_db); +bool ctdb_db_replicated(struct ctdb_db_context *ctdb_db); +bool ctdb_db_volatile(struct ctdb_db_context *ctdb_db); + +bool ctdb_db_readonly(struct ctdb_db_context *ctdb_db); +void ctdb_db_set_readonly(struct ctdb_db_context *ctdb_db); +void ctdb_db_reset_readonly(struct ctdb_db_context *ctdb_db); + +bool ctdb_db_sticky(struct ctdb_db_context *ctdb_db); +void ctdb_db_set_sticky(struct ctdb_db_context *ctdb_db); + +uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key); + +int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db, + TDB_DATA key, struct ctdb_ltdb_header *header, + TALLOC_CTX *mem_ctx, TDB_DATA *data); + +int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key, + struct ctdb_ltdb_header *header, TDB_DATA data); + +int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key); + +int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key); + +int ctdb_ltdb_delete(struct ctdb_db_context *ctdb_db, TDB_DATA key); + +int ctdb_trackingdb_add_pnn(struct ctdb_context *ctdb, TDB_DATA *data, uint32_t pnn); + +typedef void (*ctdb_trackingdb_cb)(struct ctdb_context *ctdb, uint32_t pnn, + void *private_data); + +void ctdb_trackingdb_traverse(struct ctdb_context *ctdb, TDB_DATA data, + ctdb_trackingdb_cb cb, void *private_data); + +int ctdb_null_func(struct ctdb_call_info *call); + +int ctdb_fetch_func(struct ctdb_call_info *call); + +int ctdb_fetch_with_header_func(struct ctdb_call_info *call); + +/* from common/ctdb_util.c */ + +const char *ctdb_errstr(struct ctdb_context *ctdb); + +void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) + PRINTF_ATTRIBUTE(2,3); + +void ctdb_fatal(struct ctdb_context *ctdb, const char *msg) _NORETURN_; + +void ctdb_die(struct ctdb_context *ctdb, const char *msg) _NORETURN_; + +bool ctdb_set_helper(const char *type, char *helper, size_t size, + const char *envvar, + const char *dir, const char *file); + +int ctdb_parse_address(TALLOC_CTX *mem_ctx, const char *str, + ctdb_sock_addr *address); + +bool ctdb_same_address(ctdb_sock_addr *a1, ctdb_sock_addr *a2); + +uint32_t ctdb_hash(const TDB_DATA *key); + +struct ctdb_rec_data_old *ctdb_marshall_record(TALLOC_CTX *mem_ctx, + uint32_t reqid, + TDB_DATA key, + struct ctdb_ltdb_header *header, + TDB_DATA data); + +struct ctdb_marshall_buffer *ctdb_marshall_add(TALLOC_CTX *mem_ctx, + struct ctdb_marshall_buffer *m, + uint32_t db_id, + uint32_t reqid, + TDB_DATA key, + struct ctdb_ltdb_header *header, + TDB_DATA data); + +TDB_DATA ctdb_marshall_finish(struct ctdb_marshall_buffer *m); + +struct ctdb_rec_data_old *ctdb_marshall_loop_next( + struct ctdb_marshall_buffer *m, + struct ctdb_rec_data_old *r, + uint32_t *reqid, + struct ctdb_ltdb_header *header, + TDB_DATA *key, TDB_DATA *data); + +void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip); +void ctdb_canonicalize_ip_inplace(ctdb_sock_addr *ip); + +bool ctdb_same_ip(const ctdb_sock_addr *tip1, const ctdb_sock_addr *tip2); + +bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2); + +char *ctdb_addr_to_str(ctdb_sock_addr *addr); + +unsigned ctdb_addr_to_port(ctdb_sock_addr *addr); + +struct ctdb_node_map_old *ctdb_read_nodes_file(TALLOC_CTX *mem_ctx, + const char *nlist); + +struct ctdb_node_map_old *ctdb_node_list_to_map(struct ctdb_node **nodes, + uint32_t num_nodes, + TALLOC_CTX *mem_ctx); + +const char *runstate_to_string(enum ctdb_runstate runstate); + +enum ctdb_runstate runstate_from_string(const char *label); + +void ctdb_set_runstate(struct ctdb_context *ctdb, enum ctdb_runstate runstate); + +uint32_t *ctdb_key_to_idkey(TALLOC_CTX *mem_ctx, TDB_DATA key); + +#endif /* __CTDB_COMMON_H__ */ |