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Diffstat (limited to 'source4/cluster/ctdb/include/ctdb.h')
| -rw-r--r-- | source4/cluster/ctdb/include/ctdb.h | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/source4/cluster/ctdb/include/ctdb.h b/source4/cluster/ctdb/include/ctdb.h deleted file mode 100644 index 04339b0666..0000000000 --- a/source4/cluster/ctdb/include/ctdb.h +++ /dev/null @@ -1,375 +0,0 @@ -/* - 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_H -#define _CTDB_H - -#define CTDB_IMMEDIATE_MIGRATION 0x00000001 -struct ctdb_call { - int call_id; - TDB_DATA key; - TDB_DATA call_data; - TDB_DATA reply_data; - uint32_t status; - uint32_t flags; -}; - -/* - structure passed to a ctdb call backend function -*/ -struct ctdb_call_info { - TDB_DATA key; /* record key */ - 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 */ -}; - -#define CTDB_ERR_INVALID 1 -#define CTDB_ERR_NOMEM 2 - -/* - ctdb flags -*/ -#define CTDB_FLAG_TORTURE (1<<1) - -/* - a message handler ID meaning "give me all messages" - */ -#define CTDB_SRVID_ALL (~(uint64_t)0) - -/* - srvid type : RECOVERY -*/ -#define CTDB_SRVID_RECOVERY 0xF100000000000000LL - -/* - a message handler ID meaning that the cluster has been reconfigured - */ -#define CTDB_SRVID_RECONFIGURE 0xF200000000000000LL - -/* - a message handler ID meaning that an IP address has been released - */ -#define CTDB_SRVID_RELEASE_IP 0xF300000000000000LL - -/* - a message ID meaning that a nodes flags have changed - */ -#define CTDB_SRVID_NODE_FLAGS_CHANGED 0xF400000000000000LL - -/* - a message ID meaning that a node should be banned - */ -#define CTDB_SRVID_BAN_NODE 0xF500000000000000LL - -/* - a message ID meaning that a node should be unbanned - */ -#define CTDB_SRVID_UNBAN_NODE 0xF600000000000000LL - - -/* 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_VNNMAP 0xF0000003 -/* send a broadcast to all connected nodes */ -#define CTDB_BROADCAST_CONNECTED 0xF0000004 - - -struct event_context; - -/* - initialise ctdb subsystem -*/ -struct ctdb_context *ctdb_init(struct event_context *ev); - -/* - choose the transport -*/ -int ctdb_set_transport(struct ctdb_context *ctdb, const char *transport); - -/* - set the directory for the local databases -*/ -int ctdb_set_tdb_dir(struct ctdb_context *ctdb, const char *dir); - -/* - set some flags -*/ -void ctdb_set_flags(struct ctdb_context *ctdb, unsigned flags); - -/* - set max acess count before a dmaster migration -*/ -void ctdb_set_max_lacount(struct ctdb_context *ctdb, unsigned count); - -/* - tell ctdb what address to listen on, in transport specific format -*/ -int ctdb_set_address(struct ctdb_context *ctdb, const char *address); - -int ctdb_set_socketname(struct ctdb_context *ctdb, const char *socketname); - -/* - tell ctdb what nodes are available. This takes a filename, which will contain - 1 node address per line, in a transport specific format -*/ -int ctdb_set_nlist(struct ctdb_context *ctdb, const char *nlist); - -/* - start the ctdb protocol -*/ -int ctdb_start(struct ctdb_context *ctdb); -int ctdb_start_daemon(struct ctdb_context *ctdb, bool do_fork); - -/* - attach to a ctdb database -*/ -struct ctdb_db_context *ctdb_attach(struct ctdb_context *ctdb, const char *name); - -/* - find an attached ctdb_db handle given a name - */ -struct ctdb_db_context *ctdb_db_handle(struct ctdb_context *ctdb, const char *name); - -/* - error string for last ctdb error -*/ -const char *ctdb_errstr(struct ctdb_context *); - -/* a ctdb call function */ -typedef int (*ctdb_fn_t)(struct ctdb_call_info *); - -/* - setup a ctdb call function -*/ -int ctdb_set_call(struct ctdb_db_context *ctdb_db, ctdb_fn_t fn, uint32_t id); - - - -/* - make a ctdb call. The associated ctdb call function will be called on the DMASTER - for the given record -*/ -int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call); - -/* - initiate an ordered ctdb cluster shutdown - this function will never return -*/ -void ctdb_shutdown(struct ctdb_context *ctdb); - -/* return vnn of this node */ -uint32_t ctdb_get_vnn(struct ctdb_context *ctdb); - -/* - return the number of nodes -*/ -uint32_t ctdb_get_num_nodes(struct ctdb_context *ctdb); - -/* setup a handler for ctdb messages */ -typedef void (*ctdb_message_fn_t)(struct ctdb_context *, uint64_t srvid, - TDB_DATA data, void *); -int ctdb_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid, - ctdb_message_fn_t handler, - void *private_data); - - -int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call); -struct ctdb_client_call_state *ctdb_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call); -int ctdb_call_recv(struct ctdb_client_call_state *state, struct ctdb_call *call); - -/* send a ctdb message */ -int ctdb_send_message(struct ctdb_context *ctdb, uint32_t vnn, - uint64_t srvid, TDB_DATA data); - - -/* - Fetch a ctdb record from a remote node - . Underneath this will force the - dmaster for the record to be moved to the local node. -*/ -struct ctdb_record_handle *ctdb_fetch_lock(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx, - TDB_DATA key, TDB_DATA *data); - -int ctdb_record_store(struct ctdb_record_handle *h, TDB_DATA data); - -int ctdb_fetch(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx, - TDB_DATA key, TDB_DATA *data); - -int ctdb_register_message_handler(struct ctdb_context *ctdb, - TALLOC_CTX *mem_ctx, - uint64_t srvid, - ctdb_message_fn_t handler, - void *private_data); - -struct ctdb_db_context *find_ctdb_db(struct ctdb_context *ctdb, uint32_t id); - - -struct ctdb_context *ctdb_cmdline_client(struct event_context *ev); - -struct ctdb_statistics; -int ctdb_ctrl_statistics(struct ctdb_context *ctdb, uint32_t destnode, struct ctdb_statistics *status); - -int ctdb_ctrl_shutdown(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode); - -struct ctdb_vnn_map; -int ctdb_ctrl_getvnnmap(struct ctdb_context *ctdb, - struct timeval timeout, uint32_t destnode, - TALLOC_CTX *mem_ctx, struct ctdb_vnn_map **vnnmap); -int ctdb_ctrl_setvnnmap(struct ctdb_context *ctdb, - struct timeval timeout, uint32_t destnode, - TALLOC_CTX *mem_ctx, struct ctdb_vnn_map *vnnmap); - -/* table that contains a list of all dbids on a node - */ -struct ctdb_dbid_map { - uint32_t num; - uint32_t dbids[1]; -}; -int ctdb_ctrl_getdbmap(struct ctdb_context *ctdb, - struct timeval timeout, uint32_t destnode, - TALLOC_CTX *mem_ctx, struct ctdb_dbid_map **dbmap); - - -struct ctdb_node_map; - -int ctdb_ctrl_getnodemap(struct ctdb_context *ctdb, - struct timeval timeout, uint32_t destnode, - TALLOC_CTX *mem_ctx, struct ctdb_node_map **nodemap); - -struct ctdb_key_list { - uint32_t dbid; - uint32_t num; - TDB_DATA *keys; - struct ctdb_ltdb_header *headers; - TDB_DATA *data; -}; -int ctdb_ctrl_pulldb(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid, uint32_t lmaster, TALLOC_CTX *mem_ctx, struct ctdb_key_list *keys); -int ctdb_ctrl_copydb(struct ctdb_context *ctdb, - struct timeval timeout, uint32_t sourcenode, - uint32_t destnode, uint32_t dbid, uint32_t lmaster, - TALLOC_CTX *mem_ctx); - -int ctdb_ctrl_getdbpath(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **path); -int ctdb_ctrl_getdbname(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **name); -int ctdb_ctrl_createdb(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, const char *name); - -int ctdb_ctrl_process_exists(struct ctdb_context *ctdb, uint32_t destnode, pid_t pid); - -int ctdb_ctrl_ping(struct ctdb_context *ctdb, uint32_t destnode); - -int ctdb_ctrl_get_config(struct ctdb_context *ctdb); - -int ctdb_ctrl_get_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, uint32_t *level); -int ctdb_ctrl_set_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, uint32_t level); - -/* - change dmaster for all keys in the database to the new value - */ -int ctdb_ctrl_setdmaster(struct ctdb_context *ctdb, - struct timeval timeout, uint32_t destnode, - TALLOC_CTX *mem_ctx, uint32_t dbid, uint32_t dmaster); - -/* - write a record on a specific db (this implicitely updates dmaster of the record to locally be the vnn of the node where the control is executed on) - */ -int ctdb_ctrl_write_record(struct ctdb_context *ctdb, uint32_t destnode, TALLOC_CTX *mem_ctx, uint32_t dbid, TDB_DATA key, TDB_DATA data); - -#define CTDB_RECOVERY_NORMAL 0 -#define CTDB_RECOVERY_ACTIVE 1 - -/* - get the recovery mode of a remote node - */ -int ctdb_ctrl_getrecmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *recmode); -/* - set the recovery mode of a remote node - */ -int ctdb_ctrl_setrecmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmode); -/* - get the monitoring mode of a remote node - */ -int ctdb_ctrl_getmonmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *monmode); -/* - set the monitoringmode of a remote node - */ -int ctdb_ctrl_setmonmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t monmode); - -/* - get the recovery master of a remote node - */ -int ctdb_ctrl_getrecmaster(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *recmaster); -/* - set the recovery master of a remote node - */ -int ctdb_ctrl_setrecmaster(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmaster); - -uint32_t *ctdb_get_connected_nodes(struct ctdb_context *ctdb, - struct timeval timeout, - TALLOC_CTX *mem_ctx, - uint32_t *num_nodes); - -int ctdb_statistics_reset(struct ctdb_context *ctdb, uint32_t destnode); - -int ctdb_set_logfile(struct ctdb_context *ctdb, const char *logfile); - -typedef int (*ctdb_traverse_func)(struct ctdb_context *, TDB_DATA, TDB_DATA, void *); -int ctdb_traverse(struct ctdb_db_context *ctdb_db, ctdb_traverse_func fn, void *private_data); - -int ctdb_dump_db(struct ctdb_db_context *ctdb_db, FILE *f); - -/* - get the pid of a ctdb daemon - */ -int ctdb_ctrl_getpid(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *pid); - -int ctdb_ctrl_freeze(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode); -int ctdb_ctrl_thaw(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode); - -int ctdb_ctrl_getvnn(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode); - -int ctdb_ctrl_get_tunable(struct ctdb_context *ctdb, - struct timeval timeout, - uint32_t destnode, - const char *name, uint32_t *value); - -int ctdb_ctrl_set_tunable(struct ctdb_context *ctdb, - struct timeval timeout, - uint32_t destnode, - const char *name, uint32_t value); - -int ctdb_ctrl_list_tunables(struct ctdb_context *ctdb, - struct timeval timeout, - uint32_t destnode, - TALLOC_CTX *mem_ctx, - const char ***list, uint32_t *count); - -int ctdb_ctrl_modflags(struct ctdb_context *ctdb, - struct timeval timeout, - uint32_t destnode, - uint32_t set, uint32_t clear); - -int ctdb_socket_connect(struct ctdb_context *ctdb); - -#endif |