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 enum control_state {CTDB_CONTROL_WAIT, CTDB_CONTROL_DONE, CTDB_CONTROL_ERROR, CTDB_CONTROL_TIMEOUT};
132 struct ctdb_client_control_state {
133 struct ctdb_context *ctdb;
137 enum control_state state;
139 struct ctdb_req_control *c;
141 /* if we have a callback registered for the completion (or failure) of
143 if a callback is used, it MUST talloc_free the cb_data passed to it
146 void (*fn)(struct ctdb_client_control_state *);
151 struct ctdb_client_notify_register {
154 uint8_t notify_data[1];
157 struct ctdb_client_notify_deregister {
161 struct event_context;
164 initialise ctdb subsystem
166 struct ctdb_context *ctdb_init(struct event_context *ev);
171 int ctdb_set_transport(struct ctdb_context *ctdb, const char *transport);
174 set the directory for the local databases
176 int ctdb_set_tdb_dir(struct ctdb_context *ctdb, const char *dir);
177 int ctdb_set_tdb_dir_persistent(struct ctdb_context *ctdb, const char *dir);
182 void ctdb_set_flags(struct ctdb_context *ctdb, unsigned flags);
185 set max acess count before a dmaster migration
187 void ctdb_set_max_lacount(struct ctdb_context *ctdb, unsigned count);
190 tell ctdb what address to listen on, in transport specific format
192 int ctdb_set_address(struct ctdb_context *ctdb, const char *address);
194 int ctdb_set_socketname(struct ctdb_context *ctdb, const char *socketname);
197 tell ctdb what nodes are available. This takes a filename, which will contain
198 1 node address per line, in a transport specific format
200 int ctdb_set_nlist(struct ctdb_context *ctdb, const char *nlist);
203 Check that a specific ip address exists in the node list and returns
204 the id for the node or -1
206 int ctdb_ip_to_nodeid(struct ctdb_context *ctdb, const char *nodeip);
209 start the ctdb protocol
211 int ctdb_start(struct ctdb_context *ctdb);
212 int ctdb_start_daemon(struct ctdb_context *ctdb, bool do_fork, bool use_syslog);
215 attach to a ctdb database
217 struct ctdb_db_context *ctdb_attach(struct ctdb_context *ctdb, const char *name, bool persistent, uint32_t tdb_flags);
220 find an attached ctdb_db handle given a name
222 struct ctdb_db_context *ctdb_db_handle(struct ctdb_context *ctdb, const char *name);
225 error string for last ctdb error
227 const char *ctdb_errstr(struct ctdb_context *);
229 /* a ctdb call function */
230 typedef int (*ctdb_fn_t)(struct ctdb_call_info *);
233 setup a ctdb call function
235 int ctdb_set_call(struct ctdb_db_context *ctdb_db, ctdb_fn_t fn, uint32_t id);
240 make a ctdb call. The associated ctdb call function will be called on the DMASTER
243 int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
246 initiate an ordered ctdb cluster shutdown
247 this function will never return
249 void ctdb_shutdown(struct ctdb_context *ctdb);
251 /* return pnn of this node */
252 uint32_t ctdb_get_pnn(struct ctdb_context *ctdb);
255 return the number of nodes
257 uint32_t ctdb_get_num_nodes(struct ctdb_context *ctdb);
259 /* setup a handler for ctdb messages */
260 typedef void (*ctdb_message_fn_t)(struct ctdb_context *, uint64_t srvid,
261 TDB_DATA data, void *);
262 int ctdb_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
263 ctdb_message_fn_t handler,
267 int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
268 struct ctdb_client_call_state *ctdb_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
269 int ctdb_call_recv(struct ctdb_client_call_state *state, struct ctdb_call *call);
271 /* send a ctdb message */
272 int ctdb_send_message(struct ctdb_context *ctdb, uint32_t pnn,
273 uint64_t srvid, TDB_DATA data);
277 Fetch a ctdb record from a remote node
278 . Underneath this will force the
279 dmaster for the record to be moved to the local node.
281 struct ctdb_record_handle *ctdb_fetch_lock(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx,
282 TDB_DATA key, TDB_DATA *data);
284 int ctdb_record_store(struct ctdb_record_handle *h, TDB_DATA data);
286 int ctdb_fetch(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx,
287 TDB_DATA key, TDB_DATA *data);
289 int ctdb_register_message_handler(struct ctdb_context *ctdb,
292 ctdb_message_fn_t handler,
295 struct ctdb_db_context *find_ctdb_db(struct ctdb_context *ctdb, uint32_t id);
298 struct ctdb_context *ctdb_cmdline_client(struct event_context *ev);
300 struct ctdb_statistics;
301 int ctdb_ctrl_statistics(struct ctdb_context *ctdb, uint32_t destnode, struct ctdb_statistics *status);
303 int ctdb_ctrl_shutdown(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
306 int ctdb_ctrl_getvnnmap(struct ctdb_context *ctdb,
307 struct timeval timeout, uint32_t destnode,
308 TALLOC_CTX *mem_ctx, struct ctdb_vnn_map **vnnmap);
309 int ctdb_ctrl_setvnnmap(struct ctdb_context *ctdb,
310 struct timeval timeout, uint32_t destnode,
311 TALLOC_CTX *mem_ctx, struct ctdb_vnn_map *vnnmap);
313 /* table that contains a list of all dbids on a node
315 struct ctdb_dbid_map {
322 int ctdb_ctrl_getdbmap(struct ctdb_context *ctdb,
323 struct timeval timeout, uint32_t destnode,
324 TALLOC_CTX *mem_ctx, struct ctdb_dbid_map **dbmap);
327 struct ctdb_node_map;
329 int ctdb_ctrl_getnodemap(struct ctdb_context *ctdb,
330 struct timeval timeout, uint32_t destnode,
331 TALLOC_CTX *mem_ctx, struct ctdb_node_map **nodemap);
333 int ctdb_ctrl_getnodemapv4(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_reload_nodes_file(struct ctdb_context *ctdb,
338 struct timeval timeout, uint32_t destnode);
340 struct ctdb_key_list {
344 struct ctdb_ltdb_header *headers;
348 int ctdb_ctrl_pulldb(
349 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
350 uint32_t lmaster, TALLOC_CTX *mem_ctx,
351 struct timeval timeout, TDB_DATA *outdata);
353 struct ctdb_client_control_state *ctdb_ctrl_pulldb_send(
354 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
355 uint32_t lmaster, TALLOC_CTX *mem_ctx, struct timeval timeout);
357 int ctdb_ctrl_pulldb_recv(
358 struct ctdb_context *ctdb,
359 TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state,
362 int ctdb_ctrl_pushdb(
363 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
365 struct timeval timeout, TDB_DATA indata);
367 struct ctdb_client_control_state *ctdb_ctrl_pushdb_send(
368 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
369 TALLOC_CTX *mem_ctx, struct timeval timeout,
372 int ctdb_ctrl_pushdb_recv(
373 struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
374 struct ctdb_client_control_state *state);
377 int ctdb_ctrl_copydb(struct ctdb_context *ctdb,
378 struct timeval timeout, uint32_t sourcenode,
379 uint32_t destnode, uint32_t dbid, uint32_t lmaster,
380 TALLOC_CTX *mem_ctx);
382 int ctdb_ctrl_getdbpath(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **path);
383 int ctdb_ctrl_getdbname(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **name);
384 int ctdb_ctrl_createdb(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, const char *name, bool persistent);
386 int ctdb_ctrl_process_exists(struct ctdb_context *ctdb, uint32_t destnode, pid_t pid);
388 int ctdb_ctrl_ping(struct ctdb_context *ctdb, uint32_t destnode);
390 int ctdb_ctrl_get_config(struct ctdb_context *ctdb);
392 int ctdb_ctrl_get_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t *level);
393 int ctdb_ctrl_set_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t level);
396 change dmaster for all keys in the database to the new value
398 int ctdb_ctrl_setdmaster(struct ctdb_context *ctdb,
399 struct timeval timeout, uint32_t destnode,
400 TALLOC_CTX *mem_ctx, uint32_t dbid, uint32_t dmaster);
403 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)
405 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);
407 #define CTDB_RECOVERY_NORMAL 0
408 #define CTDB_RECOVERY_ACTIVE 1
411 get the recovery mode of a remote node
413 int ctdb_ctrl_getrecmode(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, uint32_t *recmode);
415 struct ctdb_client_control_state *ctdb_ctrl_getrecmode_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
417 int ctdb_ctrl_getrecmode_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *recmode);
421 set the recovery mode of a remote node
423 int ctdb_ctrl_setrecmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmode);
425 get the monitoring mode of a remote node
427 int ctdb_ctrl_getmonmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *monmode);
430 set the monitoring mode of a remote node to active
432 int ctdb_ctrl_enable_monmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
435 set the monitoring mode of a remote node to disabled
437 int ctdb_ctrl_disable_monmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
441 get the recovery master of a remote node
443 int ctdb_ctrl_getrecmaster(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, uint32_t *recmaster);
445 struct ctdb_client_control_state *ctdb_ctrl_getrecmaster_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
447 int ctdb_ctrl_getrecmaster_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *recmaster);
452 set the recovery master of a remote node
454 int ctdb_ctrl_setrecmaster(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmaster);
456 uint32_t *ctdb_get_connected_nodes(struct ctdb_context *ctdb,
457 struct timeval timeout,
459 uint32_t *num_nodes);
461 int ctdb_statistics_reset(struct ctdb_context *ctdb, uint32_t destnode);
463 int ctdb_set_logfile(struct ctdb_context *ctdb, const char *logfile, bool use_syslog);
465 typedef int (*ctdb_traverse_func)(struct ctdb_context *, TDB_DATA, TDB_DATA, void *);
466 int ctdb_traverse(struct ctdb_db_context *ctdb_db, ctdb_traverse_func fn, void *private_data);
468 int ctdb_dump_db(struct ctdb_db_context *ctdb_db, FILE *f);
471 get the pid of a ctdb daemon
473 int ctdb_ctrl_getpid(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *pid);
475 int ctdb_ctrl_freeze(struct ctdb_context *ctdb, struct timeval timeout,
477 int ctdb_ctrl_freeze_priority(struct ctdb_context *ctdb, struct timeval timeout,
478 uint32_t destnode, uint32_t priority);
480 struct ctdb_client_control_state *
481 ctdb_ctrl_freeze_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
482 struct timeval timeout, uint32_t destnode,
485 int ctdb_ctrl_freeze_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
486 struct ctdb_client_control_state *state);
488 int ctdb_ctrl_thaw_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t priority);
489 int ctdb_ctrl_thaw(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
491 int ctdb_ctrl_getpnn(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
493 int ctdb_ctrl_get_tunable(struct ctdb_context *ctdb,
494 struct timeval timeout,
496 const char *name, uint32_t *value);
498 int ctdb_ctrl_set_tunable(struct ctdb_context *ctdb,
499 struct timeval timeout,
501 const char *name, uint32_t value);
503 int ctdb_ctrl_list_tunables(struct ctdb_context *ctdb,
504 struct timeval timeout,
507 const char ***list, uint32_t *count);
509 int ctdb_ctrl_modflags(struct ctdb_context *ctdb,
510 struct timeval timeout,
512 uint32_t set, uint32_t clear);
514 enum ctdb_server_id_type { SERVER_TYPE_SAMBA=1 };
516 struct ctdb_server_id {
517 enum ctdb_server_id_type type;
522 struct ctdb_server_id_list {
524 struct ctdb_server_id server_ids[1];
528 int ctdb_ctrl_register_server_id(struct ctdb_context *ctdb,
529 struct timeval timeout,
530 struct ctdb_server_id *id);
531 int ctdb_ctrl_unregister_server_id(struct ctdb_context *ctdb,
532 struct timeval timeout,
533 struct ctdb_server_id *id);
534 int ctdb_ctrl_check_server_id(struct ctdb_context *ctdb,
535 struct timeval timeout, uint32_t destnode,
536 struct ctdb_server_id *id, uint32_t *status);
537 int ctdb_ctrl_get_server_id_list(struct ctdb_context *ctdb,
539 struct timeval timeout, uint32_t destnode,
540 struct ctdb_server_id_list **svid_list);
543 struct timeval current_time;
544 struct timeval ctdbd_start_time;
545 struct timeval last_recovery_started;
546 struct timeval last_recovery_finished;
550 definitions for different socket structures
552 typedef struct sockaddr_in ctdb_addr_in;
553 typedef struct sockaddr_in6 ctdb_addr_in6;
561 struct for tcp_client control
562 this is an ipv4 only version of this structure used by samba
563 samba will later be migrated over to use the
564 ctdb_control_tcp_addr structure instead
566 struct ctdb_control_tcp {
567 struct sockaddr_in src; // samba uses this
568 struct sockaddr_in dest;// samba uses this
570 /* new style structure */
571 struct ctdb_control_tcp_addr {
576 int ctdb_socket_connect(struct ctdb_context *ctdb);
579 get the uptime of a remote node
581 int ctdb_ctrl_uptime(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, struct ctdb_uptime **uptime);
583 struct ctdb_client_control_state *ctdb_ctrl_uptime_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
585 int ctdb_ctrl_uptime_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, struct ctdb_uptime **uptime);
587 int ctdb_ctrl_end_recovery(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
589 int ctdb_ctrl_getreclock(struct ctdb_context *ctdb,
590 struct timeval timeout, uint32_t destnode,
591 TALLOC_CTX *mem_ctx, const char **reclock);
592 int ctdb_ctrl_setreclock(struct ctdb_context *ctdb,
593 struct timeval timeout, uint32_t destnode,
594 const char *reclock);
597 uint32_t *list_of_connected_nodes(struct ctdb_context *ctdb,
598 struct ctdb_node_map *node_map,
601 uint32_t *list_of_active_nodes(struct ctdb_context *ctdb,
602 struct ctdb_node_map *node_map,
605 uint32_t *list_of_vnnmap_nodes(struct ctdb_context *ctdb,
606 struct ctdb_vnn_map *vnn_map,
609 uint32_t *list_of_active_nodes_except_pnn(struct ctdb_context *ctdb,
610 struct ctdb_node_map *node_map,
614 int ctdb_read_pnn_lock(int fd, int32_t pnn);
617 get capabilities of a remote node
619 int ctdb_ctrl_getcapabilities(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *capabilities);
621 struct ctdb_client_control_state *ctdb_ctrl_getcapabilities_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
623 int ctdb_ctrl_getcapabilities_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *capabilities);
626 int32_t ctdb_ctrl_transaction_active(struct ctdb_context *ctdb,
630 struct ctdb_marshall_buffer *ctdb_marshall_add(TALLOC_CTX *mem_ctx,
631 struct ctdb_marshall_buffer *m,
635 struct ctdb_ltdb_header *header,
637 TDB_DATA ctdb_marshall_finish(struct ctdb_marshall_buffer *m);
639 struct ctdb_transaction_handle *ctdb_transaction_start(struct ctdb_db_context *ctdb_db,
640 TALLOC_CTX *mem_ctx);
641 int ctdb_transaction_fetch(struct ctdb_transaction_handle *h,
643 TDB_DATA key, TDB_DATA *data);
644 int ctdb_transaction_store(struct ctdb_transaction_handle *h,
645 TDB_DATA key, TDB_DATA data);
646 int ctdb_transaction_commit(struct ctdb_transaction_handle *h);
648 int ctdb_ctrl_recd_ping(struct ctdb_context *ctdb);
650 int switch_from_server_to_client(struct ctdb_context *ctdb);
652 #define MONITOR_SCRIPT_OK 0
653 #define MONITOR_SCRIPT_TIMEOUT 1
655 #define MAX_SCRIPT_NAME 31
656 #define MAX_SCRIPT_OUTPUT 511
657 struct ctdb_monitoring_script_wire {
658 char name[MAX_SCRIPT_NAME+1];
659 struct timeval start;
660 struct timeval finished;
662 char output[MAX_SCRIPT_OUTPUT+1];
665 struct ctdb_monitoring_wire {
666 uint32_t num_scripts;
667 struct ctdb_monitoring_script_wire scripts[1];
670 int ctdb_ctrl_getscriptstatus(struct ctdb_context *ctdb,
671 struct timeval timeout, uint32_t destnode,
672 TALLOC_CTX *mem_ctx, struct ctdb_monitoring_wire **script_status);
675 struct debug_levels {
677 const char *description;
679 extern struct debug_levels debug_levels[];
681 const char *get_debug_by_level(int32_t level);
682 int32_t get_debug_by_desc(const char *desc);
684 int ctdb_ctrl_stop_node(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
685 int ctdb_ctrl_continue_node(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
687 int ctdb_ctrl_setnatgwstate(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t natgwstate);
688 int ctdb_ctrl_setlmasterrole(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t lmasterrole);
689 int ctdb_ctrl_setrecmasterrole(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmasterrole);
691 int ctdb_ctrl_enablescript(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, const char *script);
692 int ctdb_ctrl_disablescript(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, const char *script);
694 struct ctdb_ban_time {
699 int ctdb_ctrl_set_ban(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, struct ctdb_ban_time *bantime);
700 int ctdb_ctrl_get_ban(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, struct ctdb_ban_time **bantime);
702 struct ctdb_db_priority {
707 int ctdb_ctrl_set_db_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, struct ctdb_db_priority *db_prio);
708 int ctdb_ctrl_get_db_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t db_id, uint32_t *priority);