4 Copyright (C) Andrew Tridgell 2006
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, see <http://www.gnu.org/licenses/>.
23 #define CTDB_IMMEDIATE_MIGRATION 0x00000001
34 structure passed to a ctdb call backend function
36 struct ctdb_call_info {
37 TDB_DATA key; /* record key */
38 TDB_DATA record_data; /* current data in the record */
39 TDB_DATA *new_data; /* optionally updated record data */
40 TDB_DATA *call_data; /* optionally passed from caller */
41 TDB_DATA *reply_data; /* optionally returned by function */
42 uint32_t status; /* optional reply status - defaults to zero */
45 #define CTDB_ERR_INVALID 1
46 #define CTDB_ERR_NOMEM 2
51 #define CTDB_FLAG_TORTURE (1<<1)
54 a message handler ID meaning "give me all messages"
56 #define CTDB_SRVID_ALL (~(uint64_t)0)
61 #define CTDB_SRVID_RECOVERY 0xF100000000000000LL
64 a message handler ID meaning that the cluster has been reconfigured
66 #define CTDB_SRVID_RECONFIGURE 0xF200000000000000LL
69 a message handler ID meaning that an IP address has been released
71 #define CTDB_SRVID_RELEASE_IP 0xF300000000000000LL
74 a message ID to set the node flags in the recovery daemon
76 #define CTDB_SRVID_SET_NODE_FLAGS 0xF400000000000000LL
79 a message to tell the recovery daemon to fetch a set of records
81 #define CTDB_SRVID_VACUUM_FETCH 0xF700000000000000LL
84 a message to tell the recovery daemon to write a talloc memdump
87 #define CTDB_SRVID_MEM_DUMP 0xF800000000000000LL
90 a message ID to get the recovery daemon to push the node flags out
92 #define CTDB_SRVID_PUSH_NODE_FLAGS 0xF900000000000000LL
95 a message ID to get the recovery daemon to reload the nodes file
97 #define CTDB_SRVID_RELOAD_NODES 0xFA00000000000000LL
100 a message ID to get the recovery daemon to perform a takeover run
102 #define CTDB_SRVID_TAKEOVER_RUN 0xFB00000000000000LL
104 /* A message id to ask the recovery daemon to temporarily disable the
107 #define CTDB_SRVID_DISABLE_IP_CHECK 0xFC00000000000000LL
109 /* A dummy port used for sending back ipreallocate resposnes to the main
112 #define CTDB_SRVID_TAKEOVER_RUN_RESPONSE 0xFD00000000000000LL
114 /* A port reserved for samba (top 32 bits)
116 #define CTDB_SRVID_SAMBA_NOTIFY 0xFE00000000000000LL
118 /* used on the domain socket, send a pdu to the local daemon */
119 #define CTDB_CURRENT_NODE 0xF0000001
120 /* send a broadcast to all nodes in the cluster, active or not */
121 #define CTDB_BROADCAST_ALL 0xF0000002
122 /* send a broadcast to all nodes in the current vnn map */
123 #define CTDB_BROADCAST_VNNMAP 0xF0000003
124 /* send a broadcast to all connected nodes */
125 #define CTDB_BROADCAST_CONNECTED 0xF0000004
127 /* the key used for transaction locking on persistent databases */
128 #define CTDB_TRANSACTION_LOCK_KEY "__transaction_lock__"
130 /* the key used to store persistent db sequence number */
131 #define CTDB_DB_SEQNUM_KEY "__db_sequence_number__"
133 enum control_state {CTDB_CONTROL_WAIT, CTDB_CONTROL_DONE, CTDB_CONTROL_ERROR, CTDB_CONTROL_TIMEOUT};
135 struct ctdb_client_control_state {
136 struct ctdb_context *ctdb;
140 enum control_state state;
142 struct ctdb_req_control *c;
144 /* if we have a callback registered for the completion (or failure) of
146 if a callback is used, it MUST talloc_free the cb_data passed to it
149 void (*fn)(struct ctdb_client_control_state *);
154 struct ctdb_client_notify_register {
157 uint8_t notify_data[1];
160 struct ctdb_client_notify_deregister {
164 struct event_context;
167 initialise ctdb subsystem
169 struct ctdb_context *ctdb_init(struct event_context *ev);
174 int ctdb_set_transport(struct ctdb_context *ctdb, const char *transport);
177 set the directory for the local databases
179 int ctdb_set_tdb_dir(struct ctdb_context *ctdb, const char *dir);
180 int ctdb_set_tdb_dir_persistent(struct ctdb_context *ctdb, const char *dir);
181 int ctdb_set_tdb_dir_state(struct ctdb_context *ctdb, const char *dir);
186 void ctdb_set_flags(struct ctdb_context *ctdb, unsigned flags);
189 set max acess count before a dmaster migration
191 void ctdb_set_max_lacount(struct ctdb_context *ctdb, unsigned count);
194 tell ctdb what address to listen on, in transport specific format
196 int ctdb_set_address(struct ctdb_context *ctdb, const char *address);
198 int ctdb_set_socketname(struct ctdb_context *ctdb, const char *socketname);
201 tell ctdb what nodes are available. This takes a filename, which will contain
202 1 node address per line, in a transport specific format
204 int ctdb_set_nlist(struct ctdb_context *ctdb, const char *nlist);
207 Check that a specific ip address exists in the node list and returns
208 the id for the node or -1
210 int ctdb_ip_to_nodeid(struct ctdb_context *ctdb, const char *nodeip);
213 start the ctdb protocol
215 int ctdb_start(struct ctdb_context *ctdb);
216 int ctdb_start_daemon(struct ctdb_context *ctdb, bool do_fork, bool use_syslog);
219 attach to a ctdb database
221 struct ctdb_db_context *ctdb_attach(struct ctdb_context *ctdb, const char *name, bool persistent, uint32_t tdb_flags);
224 find an attached ctdb_db handle given a name
226 struct ctdb_db_context *ctdb_db_handle(struct ctdb_context *ctdb, const char *name);
229 error string for last ctdb error
231 const char *ctdb_errstr(struct ctdb_context *);
233 /* a ctdb call function */
234 typedef int (*ctdb_fn_t)(struct ctdb_call_info *);
237 setup a ctdb call function
239 int ctdb_set_call(struct ctdb_db_context *ctdb_db, ctdb_fn_t fn, uint32_t id);
244 make a ctdb call. The associated ctdb call function will be called on the DMASTER
247 int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
250 initiate an ordered ctdb cluster shutdown
251 this function will never return
253 void ctdb_shutdown(struct ctdb_context *ctdb);
255 /* return pnn of this node */
256 uint32_t ctdb_get_pnn(struct ctdb_context *ctdb);
259 return the number of nodes
261 uint32_t ctdb_get_num_nodes(struct ctdb_context *ctdb);
263 /* setup a handler for ctdb messages */
264 typedef void (*ctdb_message_fn_t)(struct ctdb_context *, uint64_t srvid,
265 TDB_DATA data, void *);
266 int ctdb_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
267 ctdb_message_fn_t handler,
271 int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
272 struct ctdb_client_call_state *ctdb_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
273 int ctdb_call_recv(struct ctdb_client_call_state *state, struct ctdb_call *call);
275 /* send a ctdb message */
276 int ctdb_send_message(struct ctdb_context *ctdb, uint32_t pnn,
277 uint64_t srvid, TDB_DATA data);
281 Fetch a ctdb record from a remote node
282 . Underneath this will force the
283 dmaster for the record to be moved to the local node.
285 struct ctdb_record_handle *ctdb_fetch_lock(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx,
286 TDB_DATA key, TDB_DATA *data);
288 int ctdb_record_store(struct ctdb_record_handle *h, TDB_DATA data);
290 int ctdb_fetch(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx,
291 TDB_DATA key, TDB_DATA *data);
293 int ctdb_register_message_handler(struct ctdb_context *ctdb,
296 ctdb_message_fn_t handler,
299 struct ctdb_db_context *find_ctdb_db(struct ctdb_context *ctdb, uint32_t id);
302 struct ctdb_context *ctdb_cmdline_client(struct event_context *ev);
304 struct ctdb_statistics;
305 int ctdb_ctrl_statistics(struct ctdb_context *ctdb, uint32_t destnode, struct ctdb_statistics *status);
307 int ctdb_ctrl_shutdown(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
310 int ctdb_ctrl_getvnnmap(struct ctdb_context *ctdb,
311 struct timeval timeout, uint32_t destnode,
312 TALLOC_CTX *mem_ctx, struct ctdb_vnn_map **vnnmap);
313 int ctdb_ctrl_setvnnmap(struct ctdb_context *ctdb,
314 struct timeval timeout, uint32_t destnode,
315 TALLOC_CTX *mem_ctx, struct ctdb_vnn_map *vnnmap);
317 /* table that contains a list of all dbids on a node
319 struct ctdb_dbid_map {
326 int ctdb_ctrl_getdbmap(struct ctdb_context *ctdb,
327 struct timeval timeout, uint32_t destnode,
328 TALLOC_CTX *mem_ctx, struct ctdb_dbid_map **dbmap);
331 struct ctdb_node_map;
333 int ctdb_ctrl_getnodemap(struct ctdb_context *ctdb,
334 struct timeval timeout, uint32_t destnode,
335 TALLOC_CTX *mem_ctx, struct ctdb_node_map **nodemap);
337 int ctdb_ctrl_getnodemapv4(struct ctdb_context *ctdb,
338 struct timeval timeout, uint32_t destnode,
339 TALLOC_CTX *mem_ctx, struct ctdb_node_map **nodemap);
341 int ctdb_ctrl_reload_nodes_file(struct ctdb_context *ctdb,
342 struct timeval timeout, uint32_t destnode);
344 struct ctdb_key_list {
348 struct ctdb_ltdb_header *headers;
352 int ctdb_ctrl_pulldb(
353 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
354 uint32_t lmaster, TALLOC_CTX *mem_ctx,
355 struct timeval timeout, TDB_DATA *outdata);
357 struct ctdb_client_control_state *ctdb_ctrl_pulldb_send(
358 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
359 uint32_t lmaster, TALLOC_CTX *mem_ctx, struct timeval timeout);
361 int ctdb_ctrl_pulldb_recv(
362 struct ctdb_context *ctdb,
363 TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state,
366 int ctdb_ctrl_pushdb(
367 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
369 struct timeval timeout, TDB_DATA indata);
371 struct ctdb_client_control_state *ctdb_ctrl_pushdb_send(
372 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
373 TALLOC_CTX *mem_ctx, struct timeval timeout,
376 int ctdb_ctrl_pushdb_recv(
377 struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
378 struct ctdb_client_control_state *state);
381 int ctdb_ctrl_copydb(struct ctdb_context *ctdb,
382 struct timeval timeout, uint32_t sourcenode,
383 uint32_t destnode, uint32_t dbid, uint32_t lmaster,
384 TALLOC_CTX *mem_ctx);
386 int ctdb_ctrl_getdbpath(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **path);
387 int ctdb_ctrl_getdbname(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **name);
388 int ctdb_ctrl_getdbhealth(struct ctdb_context *ctdb,
389 struct timeval timeout,
391 uint32_t dbid, TALLOC_CTX *mem_ctx,
392 const char **reason);
393 int ctdb_ctrl_createdb(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, const char *name, bool persistent);
395 int ctdb_ctrl_process_exists(struct ctdb_context *ctdb, uint32_t destnode, pid_t pid);
397 int ctdb_ctrl_ping(struct ctdb_context *ctdb, uint32_t destnode);
399 int ctdb_ctrl_get_config(struct ctdb_context *ctdb);
401 int ctdb_ctrl_get_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t *level);
402 int ctdb_ctrl_set_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t level);
405 change dmaster for all keys in the database to the new value
407 int ctdb_ctrl_setdmaster(struct ctdb_context *ctdb,
408 struct timeval timeout, uint32_t destnode,
409 TALLOC_CTX *mem_ctx, uint32_t dbid, uint32_t dmaster);
412 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)
414 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);
416 #define CTDB_RECOVERY_NORMAL 0
417 #define CTDB_RECOVERY_ACTIVE 1
420 get the recovery mode of a remote node
422 int ctdb_ctrl_getrecmode(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, uint32_t *recmode);
424 struct ctdb_client_control_state *ctdb_ctrl_getrecmode_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
426 int ctdb_ctrl_getrecmode_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *recmode);
430 set the recovery mode of a remote node
432 int ctdb_ctrl_setrecmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmode);
434 get the monitoring mode of a remote node
436 int ctdb_ctrl_getmonmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *monmode);
439 set the monitoring mode of a remote node to active
441 int ctdb_ctrl_enable_monmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
444 set the monitoring mode of a remote node to disabled
446 int ctdb_ctrl_disable_monmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
450 get the recovery master of a remote node
452 int ctdb_ctrl_getrecmaster(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, uint32_t *recmaster);
454 struct ctdb_client_control_state *ctdb_ctrl_getrecmaster_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
456 int ctdb_ctrl_getrecmaster_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *recmaster);
461 set the recovery master of a remote node
463 int ctdb_ctrl_setrecmaster(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmaster);
465 uint32_t *ctdb_get_connected_nodes(struct ctdb_context *ctdb,
466 struct timeval timeout,
468 uint32_t *num_nodes);
470 int ctdb_statistics_reset(struct ctdb_context *ctdb, uint32_t destnode);
472 int ctdb_set_logfile(struct ctdb_context *ctdb, const char *logfile, bool use_syslog);
474 typedef int (*ctdb_traverse_func)(struct ctdb_context *, TDB_DATA, TDB_DATA, void *);
475 int ctdb_traverse(struct ctdb_db_context *ctdb_db, ctdb_traverse_func fn, void *private_data);
477 int ctdb_dumpdb_record(struct ctdb_context *ctdb, TDB_DATA key, TDB_DATA data, void *p);
478 int ctdb_dump_db(struct ctdb_db_context *ctdb_db, FILE *f);
481 get the pid of a ctdb daemon
483 int ctdb_ctrl_getpid(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *pid);
485 int ctdb_ctrl_freeze(struct ctdb_context *ctdb, struct timeval timeout,
487 int ctdb_ctrl_freeze_priority(struct ctdb_context *ctdb, struct timeval timeout,
488 uint32_t destnode, uint32_t priority);
490 struct ctdb_client_control_state *
491 ctdb_ctrl_freeze_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
492 struct timeval timeout, uint32_t destnode,
495 int ctdb_ctrl_freeze_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
496 struct ctdb_client_control_state *state);
498 int ctdb_ctrl_thaw_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t priority);
499 int ctdb_ctrl_thaw(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
501 int ctdb_ctrl_getpnn(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
503 int ctdb_ctrl_get_tunable(struct ctdb_context *ctdb,
504 struct timeval timeout,
506 const char *name, uint32_t *value);
508 int ctdb_ctrl_set_tunable(struct ctdb_context *ctdb,
509 struct timeval timeout,
511 const char *name, uint32_t value);
513 int ctdb_ctrl_list_tunables(struct ctdb_context *ctdb,
514 struct timeval timeout,
517 const char ***list, uint32_t *count);
519 int ctdb_ctrl_modflags(struct ctdb_context *ctdb,
520 struct timeval timeout,
522 uint32_t set, uint32_t clear);
524 enum ctdb_server_id_type { SERVER_TYPE_SAMBA=1 };
526 struct ctdb_server_id {
527 enum ctdb_server_id_type type;
532 struct ctdb_server_id_list {
534 struct ctdb_server_id server_ids[1];
538 int ctdb_ctrl_register_server_id(struct ctdb_context *ctdb,
539 struct timeval timeout,
540 struct ctdb_server_id *id);
541 int ctdb_ctrl_unregister_server_id(struct ctdb_context *ctdb,
542 struct timeval timeout,
543 struct ctdb_server_id *id);
544 int ctdb_ctrl_check_server_id(struct ctdb_context *ctdb,
545 struct timeval timeout, uint32_t destnode,
546 struct ctdb_server_id *id, uint32_t *status);
547 int ctdb_ctrl_get_server_id_list(struct ctdb_context *ctdb,
549 struct timeval timeout, uint32_t destnode,
550 struct ctdb_server_id_list **svid_list);
553 struct timeval current_time;
554 struct timeval ctdbd_start_time;
555 struct timeval last_recovery_started;
556 struct timeval last_recovery_finished;
560 definitions for different socket structures
562 typedef struct sockaddr_in ctdb_addr_in;
563 typedef struct sockaddr_in6 ctdb_addr_in6;
571 struct for tcp_client control
572 this is an ipv4 only version of this structure used by samba
573 samba will later be migrated over to use the
574 ctdb_control_tcp_addr structure instead
576 struct ctdb_control_tcp {
577 struct sockaddr_in src; // samba uses this
578 struct sockaddr_in dest;// samba uses this
580 /* new style structure */
581 struct ctdb_control_tcp_addr {
586 int ctdb_socket_connect(struct ctdb_context *ctdb);
589 get the uptime of a remote node
591 int ctdb_ctrl_uptime(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, struct ctdb_uptime **uptime);
593 struct ctdb_client_control_state *ctdb_ctrl_uptime_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
595 int ctdb_ctrl_uptime_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, struct ctdb_uptime **uptime);
597 int ctdb_ctrl_end_recovery(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
599 int ctdb_ctrl_getreclock(struct ctdb_context *ctdb,
600 struct timeval timeout, uint32_t destnode,
601 TALLOC_CTX *mem_ctx, const char **reclock);
602 int ctdb_ctrl_setreclock(struct ctdb_context *ctdb,
603 struct timeval timeout, uint32_t destnode,
604 const char *reclock);
607 uint32_t *list_of_connected_nodes(struct ctdb_context *ctdb,
608 struct ctdb_node_map *node_map,
611 uint32_t *list_of_active_nodes(struct ctdb_context *ctdb,
612 struct ctdb_node_map *node_map,
615 uint32_t *list_of_vnnmap_nodes(struct ctdb_context *ctdb,
616 struct ctdb_vnn_map *vnn_map,
619 uint32_t *list_of_active_nodes_except_pnn(struct ctdb_context *ctdb,
620 struct ctdb_node_map *node_map,
624 int ctdb_read_pnn_lock(int fd, int32_t pnn);
627 get capabilities of a remote node
629 int ctdb_ctrl_getcapabilities(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *capabilities);
631 struct ctdb_client_control_state *ctdb_ctrl_getcapabilities_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
633 int ctdb_ctrl_getcapabilities_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *capabilities);
636 int32_t ctdb_ctrl_transaction_active(struct ctdb_context *ctdb,
640 struct ctdb_marshall_buffer *ctdb_marshall_add(TALLOC_CTX *mem_ctx,
641 struct ctdb_marshall_buffer *m,
645 struct ctdb_ltdb_header *header,
647 TDB_DATA ctdb_marshall_finish(struct ctdb_marshall_buffer *m);
649 struct ctdb_transaction_handle *ctdb_transaction_start(struct ctdb_db_context *ctdb_db,
650 TALLOC_CTX *mem_ctx);
651 int ctdb_transaction_fetch(struct ctdb_transaction_handle *h,
653 TDB_DATA key, TDB_DATA *data);
654 int ctdb_transaction_store(struct ctdb_transaction_handle *h,
655 TDB_DATA key, TDB_DATA data);
656 int ctdb_transaction_commit(struct ctdb_transaction_handle *h);
658 int ctdb_ctrl_recd_ping(struct ctdb_context *ctdb);
660 int switch_from_server_to_client(struct ctdb_context *ctdb);
662 #define MONITOR_SCRIPT_OK 0
663 #define MONITOR_SCRIPT_TIMEOUT 1
665 #define MAX_SCRIPT_NAME 31
666 #define MAX_SCRIPT_OUTPUT 511
667 struct ctdb_script_wire {
668 char name[MAX_SCRIPT_NAME+1];
669 struct timeval start;
670 struct timeval finished;
672 char output[MAX_SCRIPT_OUTPUT+1];
675 struct ctdb_scripts_wire {
676 uint32_t num_scripts;
677 struct ctdb_script_wire scripts[1];
680 /* different calls to event scripts. */
681 enum ctdb_eventscript_call {
682 CTDB_EVENT_STARTUP, /* CTDB starting up: no args. */
683 CTDB_EVENT_START_RECOVERY, /* CTDB recovery starting: no args. */
684 CTDB_EVENT_RECOVERED, /* CTDB recovery finished: no args. */
685 CTDB_EVENT_TAKE_IP, /* IP taken: interface, IP address, netmask bits. */
686 CTDB_EVENT_RELEASE_IP, /* IP released: interface, IP address, netmask bits. */
687 CTDB_EVENT_STOPPED, /* This node is stopped: no args. */
688 CTDB_EVENT_MONITOR, /* Please check if service is healthy: no args. */
689 CTDB_EVENT_STATUS, /* Report service status: no args. */
690 CTDB_EVENT_SHUTDOWN, /* CTDB shutting down: no args. */
691 CTDB_EVENT_RELOAD, /* magic */
695 /* Mapping from enum to names. */
696 extern const char *ctdb_eventscript_call_names[];
698 int ctdb_ctrl_getscriptstatus(struct ctdb_context *ctdb,
699 struct timeval timeout, uint32_t destnode,
700 TALLOC_CTX *mem_ctx, enum ctdb_eventscript_call type,
701 struct ctdb_scripts_wire **script_status);
704 struct debug_levels {
706 const char *description;
708 extern struct debug_levels debug_levels[];
710 const char *get_debug_by_level(int32_t level);
711 int32_t get_debug_by_desc(const char *desc);
713 int ctdb_ctrl_stop_node(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
714 int ctdb_ctrl_continue_node(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
716 int ctdb_ctrl_setnatgwstate(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t natgwstate);
717 int ctdb_ctrl_setlmasterrole(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t lmasterrole);
718 int ctdb_ctrl_setrecmasterrole(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmasterrole);
720 int ctdb_ctrl_enablescript(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, const char *script);
721 int ctdb_ctrl_disablescript(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, const char *script);
723 struct ctdb_ban_time {
728 int ctdb_ctrl_set_ban(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, struct ctdb_ban_time *bantime);
729 int ctdb_ctrl_get_ban(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, struct ctdb_ban_time **bantime);
731 struct ctdb_db_priority {
736 int ctdb_ctrl_set_db_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, struct ctdb_db_priority *db_prio);
737 int ctdb_ctrl_get_db_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t db_id, uint32_t *priority);