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 /* used on the domain socket, send a pdu to the local daemon */
110 #define CTDB_CURRENT_NODE 0xF0000001
111 /* send a broadcast to all nodes in the cluster, active or not */
112 #define CTDB_BROADCAST_ALL 0xF0000002
113 /* send a broadcast to all nodes in the current vnn map */
114 #define CTDB_BROADCAST_VNNMAP 0xF0000003
115 /* send a broadcast to all connected nodes */
116 #define CTDB_BROADCAST_CONNECTED 0xF0000004
118 /* the key used for transaction locking on persistent databases */
119 #define CTDB_TRANSACTION_LOCK_KEY "__transaction_lock__"
121 enum control_state {CTDB_CONTROL_WAIT, CTDB_CONTROL_DONE, CTDB_CONTROL_ERROR, CTDB_CONTROL_TIMEOUT};
123 struct ctdb_client_control_state {
124 struct ctdb_context *ctdb;
128 enum control_state state;
130 struct ctdb_req_control *c;
132 /* if we have a callback registered for the completion (or failure) of
134 if a callback is used, it MUST talloc_free the cb_data passed to it
137 void (*fn)(struct ctdb_client_control_state *);
143 struct event_context;
146 initialise ctdb subsystem
148 struct ctdb_context *ctdb_init(struct event_context *ev);
153 int ctdb_set_transport(struct ctdb_context *ctdb, const char *transport);
156 set the directory for the local databases
158 int ctdb_set_tdb_dir(struct ctdb_context *ctdb, const char *dir);
159 int ctdb_set_tdb_dir_persistent(struct ctdb_context *ctdb, const char *dir);
164 void ctdb_set_flags(struct ctdb_context *ctdb, unsigned flags);
167 set max acess count before a dmaster migration
169 void ctdb_set_max_lacount(struct ctdb_context *ctdb, unsigned count);
172 tell ctdb what address to listen on, in transport specific format
174 int ctdb_set_address(struct ctdb_context *ctdb, const char *address);
176 int ctdb_set_socketname(struct ctdb_context *ctdb, const char *socketname);
179 tell ctdb what nodes are available. This takes a filename, which will contain
180 1 node address per line, in a transport specific format
182 int ctdb_set_nlist(struct ctdb_context *ctdb, const char *nlist);
185 Check that a specific ip address exists in the node list and returns
186 the id for the node or -1
188 int ctdb_ip_to_nodeid(struct ctdb_context *ctdb, const char *nodeip);
191 start the ctdb protocol
193 int ctdb_start(struct ctdb_context *ctdb);
194 int ctdb_start_daemon(struct ctdb_context *ctdb, bool do_fork);
197 attach to a ctdb database
199 struct ctdb_db_context *ctdb_attach(struct ctdb_context *ctdb, const char *name, bool persistent, uint32_t tdb_flags);
202 find an attached ctdb_db handle given a name
204 struct ctdb_db_context *ctdb_db_handle(struct ctdb_context *ctdb, const char *name);
207 error string for last ctdb error
209 const char *ctdb_errstr(struct ctdb_context *);
211 /* a ctdb call function */
212 typedef int (*ctdb_fn_t)(struct ctdb_call_info *);
215 setup a ctdb call function
217 int ctdb_set_call(struct ctdb_db_context *ctdb_db, ctdb_fn_t fn, uint32_t id);
222 make a ctdb call. The associated ctdb call function will be called on the DMASTER
225 int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
228 initiate an ordered ctdb cluster shutdown
229 this function will never return
231 void ctdb_shutdown(struct ctdb_context *ctdb);
233 /* return pnn of this node */
234 uint32_t ctdb_get_pnn(struct ctdb_context *ctdb);
237 return the number of nodes
239 uint32_t ctdb_get_num_nodes(struct ctdb_context *ctdb);
241 /* setup a handler for ctdb messages */
242 typedef void (*ctdb_message_fn_t)(struct ctdb_context *, uint64_t srvid,
243 TDB_DATA data, void *);
244 int ctdb_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
245 ctdb_message_fn_t handler,
249 int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
250 struct ctdb_client_call_state *ctdb_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
251 int ctdb_call_recv(struct ctdb_client_call_state *state, struct ctdb_call *call);
253 /* send a ctdb message */
254 int ctdb_send_message(struct ctdb_context *ctdb, uint32_t pnn,
255 uint64_t srvid, TDB_DATA data);
259 Fetch a ctdb record from a remote node
260 . Underneath this will force the
261 dmaster for the record to be moved to the local node.
263 struct ctdb_record_handle *ctdb_fetch_lock(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx,
264 TDB_DATA key, TDB_DATA *data);
266 int ctdb_record_store(struct ctdb_record_handle *h, TDB_DATA data);
268 int ctdb_fetch(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx,
269 TDB_DATA key, TDB_DATA *data);
271 int ctdb_register_message_handler(struct ctdb_context *ctdb,
274 ctdb_message_fn_t handler,
277 struct ctdb_db_context *find_ctdb_db(struct ctdb_context *ctdb, uint32_t id);
280 struct ctdb_context *ctdb_cmdline_client(struct event_context *ev);
282 struct ctdb_statistics;
283 int ctdb_ctrl_statistics(struct ctdb_context *ctdb, uint32_t destnode, struct ctdb_statistics *status);
285 int ctdb_ctrl_shutdown(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
288 int ctdb_ctrl_getvnnmap(struct ctdb_context *ctdb,
289 struct timeval timeout, uint32_t destnode,
290 TALLOC_CTX *mem_ctx, struct ctdb_vnn_map **vnnmap);
291 int ctdb_ctrl_setvnnmap(struct ctdb_context *ctdb,
292 struct timeval timeout, uint32_t destnode,
293 TALLOC_CTX *mem_ctx, struct ctdb_vnn_map *vnnmap);
295 /* table that contains a list of all dbids on a node
297 struct ctdb_dbid_map {
304 int ctdb_ctrl_getdbmap(struct ctdb_context *ctdb,
305 struct timeval timeout, uint32_t destnode,
306 TALLOC_CTX *mem_ctx, struct ctdb_dbid_map **dbmap);
309 struct ctdb_node_map;
311 int ctdb_ctrl_getnodemap(struct ctdb_context *ctdb,
312 struct timeval timeout, uint32_t destnode,
313 TALLOC_CTX *mem_ctx, struct ctdb_node_map **nodemap);
315 int ctdb_ctrl_getnodemapv4(struct ctdb_context *ctdb,
316 struct timeval timeout, uint32_t destnode,
317 TALLOC_CTX *mem_ctx, struct ctdb_node_map **nodemap);
319 int ctdb_ctrl_reload_nodes_file(struct ctdb_context *ctdb,
320 struct timeval timeout, uint32_t destnode);
322 struct ctdb_key_list {
326 struct ctdb_ltdb_header *headers;
330 int ctdb_ctrl_pulldb(
331 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
332 uint32_t lmaster, TALLOC_CTX *mem_ctx,
333 struct timeval timeout, TDB_DATA *outdata);
335 struct ctdb_client_control_state *ctdb_ctrl_pulldb_send(
336 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
337 uint32_t lmaster, TALLOC_CTX *mem_ctx, struct timeval timeout);
339 int ctdb_ctrl_pulldb_recv(
340 struct ctdb_context *ctdb,
341 TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state,
344 int ctdb_ctrl_pushdb(
345 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
347 struct timeval timeout, TDB_DATA indata);
349 struct ctdb_client_control_state *ctdb_ctrl_pushdb_send(
350 struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
351 TALLOC_CTX *mem_ctx, struct timeval timeout,
354 int ctdb_ctrl_pushdb_recv(
355 struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
356 struct ctdb_client_control_state *state);
359 int ctdb_ctrl_copydb(struct ctdb_context *ctdb,
360 struct timeval timeout, uint32_t sourcenode,
361 uint32_t destnode, uint32_t dbid, uint32_t lmaster,
362 TALLOC_CTX *mem_ctx);
364 int ctdb_ctrl_getdbpath(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **path);
365 int ctdb_ctrl_getdbname(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **name);
366 int ctdb_ctrl_createdb(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, const char *name, bool persistent);
368 int ctdb_ctrl_process_exists(struct ctdb_context *ctdb, uint32_t destnode, pid_t pid);
370 int ctdb_ctrl_ping(struct ctdb_context *ctdb, uint32_t destnode);
372 int ctdb_ctrl_get_config(struct ctdb_context *ctdb);
374 int ctdb_ctrl_get_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t *level);
375 int ctdb_ctrl_set_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t level);
378 change dmaster for all keys in the database to the new value
380 int ctdb_ctrl_setdmaster(struct ctdb_context *ctdb,
381 struct timeval timeout, uint32_t destnode,
382 TALLOC_CTX *mem_ctx, uint32_t dbid, uint32_t dmaster);
385 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)
387 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);
389 #define CTDB_RECOVERY_NORMAL 0
390 #define CTDB_RECOVERY_ACTIVE 1
393 get the recovery mode of a remote node
395 int ctdb_ctrl_getrecmode(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, uint32_t *recmode);
397 struct ctdb_client_control_state *ctdb_ctrl_getrecmode_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
399 int ctdb_ctrl_getrecmode_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *recmode);
403 set the recovery mode of a remote node
405 int ctdb_ctrl_setrecmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmode);
407 get the monitoring mode of a remote node
409 int ctdb_ctrl_getmonmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *monmode);
412 set the monitoring mode of a remote node to active
414 int ctdb_ctrl_enable_monmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
417 set the monitoring mode of a remote node to disabled
419 int ctdb_ctrl_disable_monmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
423 get the recovery master of a remote node
425 int ctdb_ctrl_getrecmaster(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, uint32_t *recmaster);
427 struct ctdb_client_control_state *ctdb_ctrl_getrecmaster_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
429 int ctdb_ctrl_getrecmaster_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *recmaster);
434 set the recovery master of a remote node
436 int ctdb_ctrl_setrecmaster(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmaster);
438 uint32_t *ctdb_get_connected_nodes(struct ctdb_context *ctdb,
439 struct timeval timeout,
441 uint32_t *num_nodes);
443 int ctdb_statistics_reset(struct ctdb_context *ctdb, uint32_t destnode);
445 int ctdb_set_logfile(struct ctdb_context *ctdb, const char *logfile, bool use_syslog);
447 typedef int (*ctdb_traverse_func)(struct ctdb_context *, TDB_DATA, TDB_DATA, void *);
448 int ctdb_traverse(struct ctdb_db_context *ctdb_db, ctdb_traverse_func fn, void *private_data);
450 int ctdb_dump_db(struct ctdb_db_context *ctdb_db, FILE *f);
453 get the pid of a ctdb daemon
455 int ctdb_ctrl_getpid(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *pid);
457 int ctdb_ctrl_freeze(struct ctdb_context *ctdb, struct timeval timeout,
460 struct ctdb_client_control_state *
461 ctdb_ctrl_freeze_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
462 struct timeval timeout, uint32_t destnode);
464 int ctdb_ctrl_freeze_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
465 struct ctdb_client_control_state *state);
467 int ctdb_ctrl_thaw(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
469 int ctdb_ctrl_getpnn(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
471 int ctdb_ctrl_get_tunable(struct ctdb_context *ctdb,
472 struct timeval timeout,
474 const char *name, uint32_t *value);
476 int ctdb_ctrl_set_tunable(struct ctdb_context *ctdb,
477 struct timeval timeout,
479 const char *name, uint32_t value);
481 int ctdb_ctrl_list_tunables(struct ctdb_context *ctdb,
482 struct timeval timeout,
485 const char ***list, uint32_t *count);
487 int ctdb_ctrl_modflags(struct ctdb_context *ctdb,
488 struct timeval timeout,
490 uint32_t set, uint32_t clear);
492 enum ctdb_server_id_type { SERVER_TYPE_SAMBA=1 };
494 struct ctdb_server_id {
495 enum ctdb_server_id_type type;
500 struct ctdb_server_id_list {
502 struct ctdb_server_id server_ids[1];
506 int ctdb_ctrl_register_server_id(struct ctdb_context *ctdb,
507 struct timeval timeout,
508 struct ctdb_server_id *id);
509 int ctdb_ctrl_unregister_server_id(struct ctdb_context *ctdb,
510 struct timeval timeout,
511 struct ctdb_server_id *id);
512 int ctdb_ctrl_check_server_id(struct ctdb_context *ctdb,
513 struct timeval timeout, uint32_t destnode,
514 struct ctdb_server_id *id, uint32_t *status);
515 int ctdb_ctrl_get_server_id_list(struct ctdb_context *ctdb,
517 struct timeval timeout, uint32_t destnode,
518 struct ctdb_server_id_list **svid_list);
521 struct timeval current_time;
522 struct timeval ctdbd_start_time;
523 struct timeval last_recovery_started;
524 struct timeval last_recovery_finished;
528 definitions for different socket structures
530 typedef struct sockaddr_in ctdb_addr_in;
531 typedef struct sockaddr_in6 ctdb_addr_in6;
539 struct for tcp_client control
540 this is an ipv4 only version of this structure used by samba
541 samba will later be migrated over to use the
542 ctdb_control_tcp_addr structure instead
544 struct ctdb_control_tcp {
545 struct sockaddr_in src; // samba uses this
546 struct sockaddr_in dest;// samba uses this
548 /* new style structure */
549 struct ctdb_control_tcp_addr {
554 int ctdb_socket_connect(struct ctdb_context *ctdb);
557 get the uptime of a remote node
559 int ctdb_ctrl_uptime(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, struct ctdb_uptime **uptime);
561 struct ctdb_client_control_state *ctdb_ctrl_uptime_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
563 int ctdb_ctrl_uptime_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, struct ctdb_uptime **uptime);
565 int ctdb_ctrl_end_recovery(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
567 int ctdb_ctrl_getreclock(struct ctdb_context *ctdb,
568 struct timeval timeout, uint32_t destnode,
569 TALLOC_CTX *mem_ctx, const char **reclock);
570 int ctdb_ctrl_setreclock(struct ctdb_context *ctdb,
571 struct timeval timeout, uint32_t destnode,
572 const char *reclock);
575 uint32_t *list_of_connected_nodes(struct ctdb_context *ctdb,
576 struct ctdb_node_map *node_map,
579 uint32_t *list_of_active_nodes(struct ctdb_context *ctdb,
580 struct ctdb_node_map *node_map,
583 uint32_t *list_of_vnnmap_nodes(struct ctdb_context *ctdb,
584 struct ctdb_vnn_map *vnn_map,
587 uint32_t *list_of_active_nodes_except_pnn(struct ctdb_context *ctdb,
588 struct ctdb_node_map *node_map,
592 int ctdb_read_pnn_lock(int fd, int32_t pnn);
595 get capabilities of a remote node
597 int ctdb_ctrl_getcapabilities(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *capabilities);
599 struct ctdb_client_control_state *ctdb_ctrl_getcapabilities_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
601 int ctdb_ctrl_getcapabilities_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *capabilities);
603 struct ctdb_marshall_buffer *ctdb_marshall_add(TALLOC_CTX *mem_ctx,
604 struct ctdb_marshall_buffer *m,
608 struct ctdb_ltdb_header *header,
610 TDB_DATA ctdb_marshall_finish(struct ctdb_marshall_buffer *m);
612 struct ctdb_transaction_handle *ctdb_transaction_start(struct ctdb_db_context *ctdb_db,
613 TALLOC_CTX *mem_ctx);
614 int ctdb_transaction_fetch(struct ctdb_transaction_handle *h,
616 TDB_DATA key, TDB_DATA *data);
617 int ctdb_transaction_store(struct ctdb_transaction_handle *h,
618 TDB_DATA key, TDB_DATA data);
619 int ctdb_transaction_commit(struct ctdb_transaction_handle *h);
621 int ctdb_ctrl_recd_ping(struct ctdb_context *ctdb);
623 int switch_from_server_to_client(struct ctdb_context *ctdb);
625 #define MONITOR_SCRIPT_OK 0
626 #define MONITOR_SCRIPT_TIMEOUT 1
628 #define MAX_SCRIPT_NAME 31
629 #define MAX_SCRIPT_OUTPUT 511
630 struct ctdb_monitoring_script_wire {
631 char name[MAX_SCRIPT_NAME+1];
632 struct timeval start;
633 struct timeval finished;
637 char output[MAX_SCRIPT_OUTPUT+1];
640 struct ctdb_monitoring_wire {
641 uint32_t num_scripts;
642 struct ctdb_monitoring_script_wire scripts[1];
645 int ctdb_ctrl_getscriptstatus(struct ctdb_context *ctdb,
646 struct timeval timeout, uint32_t destnode,
647 TALLOC_CTX *mem_ctx, struct ctdb_monitoring_wire **script_status);
650 struct debug_levels {
652 const char *description;
654 extern struct debug_levels debug_levels[];
656 const char *get_debug_by_level(int32_t level);
657 int32_t get_debug_by_desc(const char *desc);
659 int ctdb_ctrl_stop_node(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
660 int ctdb_ctrl_continue_node(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
662 int ctdb_ctrl_setnatgwstate(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t natgwstate);
663 int ctdb_ctrl_setlmasterrole(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t lmasterrole);
664 int ctdb_ctrl_setrecmasterrole(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmasterrole);
666 int ctdb_ctrl_enablescript(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, const char *script);
667 int ctdb_ctrl_disablescript(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, const char *script);
669 struct ctdb_ban_time {
674 int ctdb_ctrl_set_ban(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, struct ctdb_ban_time *bantime);
675 int ctdb_ctrl_get_ban(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, struct ctdb_ban_time **bantime);