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/>.
20 #ifndef _CTDB_PRIVATE_H
21 #define _CTDB_PRIVATE_H
23 #include "ctdb_client.h"
24 #include <sys/socket.h>
26 #include "common/db_hash.h"
29 array of tcp connections
31 struct ctdb_tcp_array {
33 struct ctdb_connection *connections;
37 an installed ctdb remote call
39 struct ctdb_registered_call {
40 struct ctdb_registered_call *next, *prev;
46 check that a pnn is valid
48 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
50 /* used for callbacks in ctdb_control requests */
51 typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
52 int32_t status, TDB_DATA data,
56 structure describing a connected client in the daemon
59 struct ctdb_context *ctdb;
61 struct ctdb_queue *queue;
64 struct ctdb_tcp_list *tcp_list;
66 uint32_t num_persistent_updates;
67 struct ctdb_client_notify_list *notify;
71 state associated with one node
74 struct ctdb_context *ctdb;
75 ctdb_sock_addr address;
76 const char *name; /* for debug messages */
77 void *private_data; /* private to transport */
81 /* used by the dead node monitoring */
86 /* a list of controls pending to this node, so we can time them out quickly
87 if the node becomes disconnected */
88 struct daemon_control_state *pending_controls;
90 /* used by the recovery dameon to track when a node should be banned */
91 struct ctdb_banning_state *ban_state;
95 transport specific methods
98 int (*initialise)(struct ctdb_context *); /* initialise transport structures */
99 int (*start)(struct ctdb_context *); /* start the transport */
100 int (*add_node)(struct ctdb_node *); /* setup a new node */
101 int (*connect_node)(struct ctdb_node *); /* connect to node */
102 int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
103 void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
104 void (*shutdown)(struct ctdb_context *); /* shutdown transport */
105 void (*restart)(struct ctdb_node *); /* stop and restart the connection */
109 transport calls up to the ctdb layer
111 struct ctdb_upcalls {
112 /* recv_pkt is called when a packet comes in */
113 void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
115 /* node_dead is called when an attempt to send to a node fails */
116 void (*node_dead)(struct ctdb_node *);
118 /* node_connected is called when a connection to a node is established */
119 void (*node_connected)(struct ctdb_node *);
122 /* additional data required for the daemon mode */
123 struct ctdb_daemon_data {
126 struct ctdb_queue *queue;
130 #define CTDB_UPDATE_STAT(ctdb, counter, value) \
132 if (value > ctdb->statistics.counter) { \
133 ctdb->statistics.counter = value; \
135 if (value > ctdb->statistics_current.counter) { \
136 ctdb->statistics_current.counter = value; \
140 #define CTDB_INCREMENT_STAT(ctdb, counter) \
142 ctdb->statistics.counter++; \
143 ctdb->statistics_current.counter++; \
146 #define CTDB_DECREMENT_STAT(ctdb, counter) \
148 if (ctdb->statistics.counter > 0) \
149 ctdb->statistics.counter--; \
150 if (ctdb->statistics_current.counter > 0) \
151 ctdb->statistics_current.counter--; \
154 #define CTDB_INCREMENT_DB_STAT(ctdb_db, counter) \
156 ctdb_db->statistics.counter++; \
159 #define CTDB_DECREMENT_DB_STAT(ctdb_db, counter) \
161 if (ctdb_db->statistics.counter > 0) \
162 ctdb_db->statistics.counter--; \
165 #define CTDB_UPDATE_RECLOCK_LATENCY(ctdb, name, counter, value) \
167 if (value > ctdb->statistics.counter.max) \
168 ctdb->statistics.counter.max = value; \
169 if (value > ctdb->statistics_current.counter.max) \
170 ctdb->statistics_current.counter.max = value; \
172 if (ctdb->statistics.counter.num == 0 || \
173 value < ctdb->statistics.counter.min) \
174 ctdb->statistics.counter.min = value; \
175 if (ctdb->statistics_current.counter.num == 0 || \
176 value < ctdb->statistics_current.counter.min) \
177 ctdb->statistics_current.counter.min = value; \
179 ctdb->statistics.counter.total += value; \
180 ctdb->statistics_current.counter.total += value; \
182 ctdb->statistics.counter.num++; \
183 ctdb->statistics_current.counter.num++; \
185 if (ctdb->tunable.reclock_latency_ms != 0) { \
186 if (value*1000 > ctdb->tunable.reclock_latency_ms) { \
188 ("High RECLOCK latency %fs for operation %s\n", \
194 #define CTDB_UPDATE_DB_LATENCY(ctdb_db, operation, counter, value) \
196 if (value > ctdb_db->statistics.counter.max) \
197 ctdb_db->statistics.counter.max = value; \
198 if (ctdb_db->statistics.counter.num == 0 || \
199 value < ctdb_db->statistics.counter.min) \
200 ctdb_db->statistics.counter.min = value; \
202 ctdb_db->statistics.counter.total += value; \
203 ctdb_db->statistics.counter.num++; \
205 if (ctdb_db->ctdb->tunable.log_latency_ms != 0) { \
206 if (value*1000 > ctdb_db->ctdb->tunable.log_latency_ms) { \
208 ("High latency %.6fs for operation %s on database %s\n",\
209 value, operation, ctdb_db->db_name)); \
214 #define CTDB_UPDATE_LATENCY(ctdb, db, operation, counter, t) \
216 double l = timeval_elapsed(&t); \
218 if (l > ctdb->statistics.counter.max) \
219 ctdb->statistics.counter.max = l; \
220 if (l > ctdb->statistics_current.counter.max) \
221 ctdb->statistics_current.counter.max = l; \
223 if (ctdb->statistics.counter.num == 0 || \
224 l < ctdb->statistics.counter.min) \
225 ctdb->statistics.counter.min = l; \
226 if (ctdb->statistics_current.counter.num == 0 || \
227 l < ctdb->statistics_current.counter.min) \
228 ctdb->statistics_current.counter.min = l; \
230 ctdb->statistics.counter.total += l; \
231 ctdb->statistics_current.counter.total += l; \
233 ctdb->statistics.counter.num++; \
234 ctdb->statistics_current.counter.num++; \
236 if (ctdb->tunable.log_latency_ms != 0) { \
237 if (l*1000 > ctdb->tunable.log_latency_ms) { \
238 DEBUG(DEBUG_WARNING, \
239 ("High latency %.6fs for operation %s on database %s\n",\
240 l, operation, db->db_name)); \
246 struct ctdb_cluster_mutex_handle;
247 struct eventd_context;
249 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
251 /* main state of the ctdb daemon */
252 struct ctdb_context {
253 struct tevent_context *ev;
254 struct timeval ctdbd_start_time;
255 struct timeval last_recovery_started;
256 struct timeval last_recovery_finished;
257 uint32_t recovery_mode;
258 TALLOC_CTX *tickle_update_context;
259 TALLOC_CTX *keepalive_ctx;
260 TALLOC_CTX *check_public_ifaces_ctx;
261 struct ctdb_tunable_list tunable;
262 enum ctdb_freeze_mode freeze_mode;
263 struct ctdb_freeze_handle *freeze_handle;
264 bool freeze_transaction_started;
265 uint32_t freeze_transaction_id;
266 ctdb_sock_addr *address;
268 const char *db_directory;
269 const char *db_directory_persistent;
270 const char *db_directory_state;
271 struct tdb_wrap *db_persistent_health;
272 uint32_t db_persistent_startup_generation;
273 uint64_t db_persistent_check_errors;
274 uint64_t max_persistent_check_errors;
275 const char *transport;
276 const char *recovery_lock;
277 uint32_t pnn; /* our own pnn */
279 uint32_t num_connected;
281 uint32_t capabilities;
282 struct reqid_context *idr;
283 struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
284 struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
285 struct ctdb_interface *ifaces; /* list of local interfaces */
287 const struct ctdb_methods *methods; /* transport methods */
288 const struct ctdb_upcalls *upcalls; /* transport upcalls */
289 void *private_data; /* private to transport */
290 struct ctdb_db_context *db_list;
291 struct srvid_context *srv;
292 struct srvid_context *tunnels;
293 struct ctdb_daemon_data daemon;
294 struct ctdb_statistics statistics;
295 struct ctdb_statistics statistics_current;
296 #define MAX_STAT_HISTORY 100
297 struct ctdb_statistics statistics_history[MAX_STAT_HISTORY];
298 struct ctdb_vnn_map *vnn_map;
299 uint32_t num_clients;
300 uint32_t recovery_master;
301 struct ctdb_client_ip *client_ip_list;
302 bool do_checkpublicip;
304 const char *event_script_dir;
305 const char *notification_script;
308 enum ctdb_runstate runstate;
309 struct ctdb_monitor_state *monitor;
310 int start_as_disabled;
311 int start_as_stopped;
313 uint32_t *recd_ping_count;
314 TALLOC_CTX *recd_ctx; /* a context used to track recoverd monitoring events */
315 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
317 struct eventd_context *ectx;
319 TALLOC_CTX *banning_ctx;
321 struct ctdb_vacuum_child_context *vacuumers;
323 /* mapping from pid to ctdb_client * */
324 struct ctdb_client_pid_list *client_pids;
326 /* Used to defer db attach requests while in recovery mode */
327 struct ctdb_deferred_attach_context *deferred_attach;
329 /* if we are a child process, do we have a domain socket to send controls on */
330 bool can_send_controls;
332 struct ctdb_reloadips_handle *reload_ips;
334 const char *nodes_file;
335 const char *public_addresses_file;
336 struct trbt_tree *child_processes;
338 /* Used for locking record/db/alldb */
339 struct lock_context *lock_current;
340 struct lock_context *lock_pending;
343 struct ctdb_db_context {
344 struct ctdb_db_context *next, *prev;
345 struct ctdb_context *ctdb;
350 struct tdb_wrap *ltdb;
351 struct tdb_context *rottdb; /* ReadOnly tracking TDB */
352 struct ctdb_registered_call *calls; /* list of registered calls */
354 struct tevent_timer *seqnum_update;
355 struct ctdb_traverse_local_handle *traverse;
356 struct ctdb_vacuum_handle *vacuum_handle;
357 char *unhealthy_reason;
358 int pending_requests;
359 struct revokechild_handle *revokechild_active;
360 struct ctdb_persistent_state *persistent_state;
361 struct trbt_tree *delete_queue;
362 struct trbt_tree *sticky_records;
363 int (*ctdb_ltdb_store_fn)(struct ctdb_db_context *ctdb_db,
365 struct ctdb_ltdb_header *header,
368 /* used to track which records we are currently fetching
369 so we can avoid sending duplicate fetch requests
371 struct trbt_tree *deferred_fetch;
372 struct trbt_tree *defer_dmaster;
374 struct ctdb_db_statistics_old statistics;
376 struct lock_context *lock_current;
377 struct lock_context *lock_pending;
378 int lock_num_current;
379 struct db_hash_context *lock_log;
381 struct ctdb_call_state *pending_calls;
383 enum ctdb_freeze_mode freeze_mode;
384 struct ctdb_db_freeze_handle *freeze_handle;
385 bool freeze_transaction_started;
386 uint32_t freeze_transaction_id;
389 bool invalid_records;
393 struct hash_count_context *migratedb;
397 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
398 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
399 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
400 return -1; }} while (0)
402 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
403 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
404 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
407 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
408 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
409 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
410 return NULL; }} while (0)
412 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
413 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
414 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
418 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
421 state of a in-progress ctdb call
423 struct ctdb_call_state {
424 struct ctdb_call_state *next, *prev;
425 enum call_state state;
427 struct ctdb_req_call_old *c;
428 struct ctdb_db_context *ctdb_db;
430 struct ctdb_call *call;
433 void (*fn)(struct ctdb_call_state *);
438 /* internal prototypes */
440 #define CHECK_CONTROL_DATA_SIZE(size) do { \
441 if (indata.dsize != size) { \
442 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
443 opcode, (unsigned)indata.dsize, (unsigned)size)); \
448 #define CHECK_CONTROL_MIN_DATA_SIZE(size) do { \
449 if (indata.dsize < size) { \
450 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected >= %u\n", \
451 opcode, (unsigned)indata.dsize, (unsigned)size)); \
457 state of a in-progress ctdb call in client
459 struct ctdb_client_call_state {
460 enum call_state state;
462 struct ctdb_db_context *ctdb_db;
463 struct ctdb_call *call;
465 void (*fn)(struct ctdb_client_call_state *);
470 extern int script_log_level;
471 extern bool fast_start;
472 extern const char *ctdbd_pidfile;
474 typedef void (*deferred_requeue_fn)(void *call_context, struct ctdb_req_header *hdr);
477 /* from tcp/ and ib/ */
479 int ctdb_tcp_init(struct ctdb_context *ctdb);
480 int ctdb_ibw_init(struct ctdb_context *ctdb);
482 /* from ctdb_banning.c */
484 void ctdb_local_node_got_banned(struct ctdb_context *ctdb);
485 int32_t ctdb_control_set_ban_state(struct ctdb_context *ctdb, TDB_DATA indata);
486 int32_t ctdb_control_get_ban_state(struct ctdb_context *ctdb, TDB_DATA *outdata);
487 void ctdb_ban_self(struct ctdb_context *ctdb);
489 /* from ctdb_call.c */
491 struct ctdb_db_context *find_ctdb_db(struct ctdb_context *ctdb, uint32_t id);
493 void ctdb_request_dmaster(struct ctdb_context *ctdb,
494 struct ctdb_req_header *hdr);
495 void ctdb_reply_dmaster(struct ctdb_context *ctdb,
496 struct ctdb_req_header *hdr);
497 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
498 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
499 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
501 void ctdb_call_resend_db(struct ctdb_db_context *ctdb);
502 void ctdb_call_resend_all(struct ctdb_context *ctdb);
504 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
505 struct ctdb_call *call,
506 struct ctdb_ltdb_header *header,
509 struct ctdb_call_state *ctdb_daemon_call_send_remote(
510 struct ctdb_db_context *ctdb_db,
511 struct ctdb_call *call,
512 struct ctdb_ltdb_header *header);
513 int ctdb_daemon_call_recv(struct ctdb_call_state *state,
514 struct ctdb_call *call);
516 int ctdb_start_revoke_ro_record(struct ctdb_context *ctdb,
517 struct ctdb_db_context *ctdb_db,
518 TDB_DATA key, struct ctdb_ltdb_header *header,
521 int ctdb_add_revoke_deferred_call(struct ctdb_context *ctdb,
522 struct ctdb_db_context *ctdb_db,
523 TDB_DATA key, struct ctdb_req_header *hdr,
524 deferred_requeue_fn fn, void *call_context);
526 int ctdb_migration_init(struct ctdb_db_context *ctdb_db);
528 /* from server/ctdb_control.c */
530 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
532 void ctdb_request_control_reply(struct ctdb_context *ctdb,
533 struct ctdb_req_control_old *c,
534 TDB_DATA *outdata, int32_t status,
535 const char *errormsg);
537 void ctdb_request_control(struct ctdb_context *ctdb,
538 struct ctdb_req_header *hdr);
539 void ctdb_reply_control(struct ctdb_context *ctdb,
540 struct ctdb_req_header *hdr);
542 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
543 uint64_t srvid, uint32_t opcode,
544 uint32_t client_id, uint32_t flags,
546 ctdb_control_callback_fn_t callback,
549 /* from server/ctdb_daemon.c */
551 int daemon_register_message_handler(struct ctdb_context *ctdb,
552 uint32_t client_id, uint64_t srvid);
553 int daemon_deregister_message_handler(struct ctdb_context *ctdb,
554 uint32_t client_id, uint64_t srvid);
556 void daemon_tunnel_handler(uint64_t tunnel_id, TDB_DATA data,
559 int ctdb_start_daemon(struct ctdb_context *ctdb, bool do_fork);
561 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
563 enum ctdb_operation operation,
564 size_t length, size_t slength,
567 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
568 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, \
571 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb,
572 struct ctdb_node *node);
574 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
575 ctdb_fn_t fn, int id);
577 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
578 uint64_t srvid, TDB_DATA data);
580 int32_t ctdb_control_register_notify(struct ctdb_context *ctdb,
581 uint32_t client_id, TDB_DATA indata);
582 int32_t ctdb_control_deregister_notify(struct ctdb_context *ctdb,
583 uint32_t client_id, TDB_DATA indata);
585 struct ctdb_client *ctdb_find_client_by_pid(struct ctdb_context *ctdb,
588 int32_t ctdb_control_process_exists(struct ctdb_context *ctdb, pid_t pid);
589 int32_t ctdb_control_check_pid_srvid(struct ctdb_context *ctdb,
592 int ctdb_control_getnodesfile(struct ctdb_context *ctdb, uint32_t opcode,
593 TDB_DATA indata, TDB_DATA *outdata);
595 void ctdb_shutdown_sequence(struct ctdb_context *ctdb, int exit_code);
597 int switch_from_server_to_client(struct ctdb_context *ctdb);
599 /* From server/ctdb_fork.c */
601 void ctdb_track_child(struct ctdb_context *ctdb, pid_t pid);
603 pid_t ctdb_fork(struct ctdb_context *ctdb);
604 pid_t ctdb_vfork_exec(TALLOC_CTX *mem_ctx, struct ctdb_context *ctdb,
605 const char *helper, int helper_argc,
606 const char **helper_argv);
608 struct tevent_signal *ctdb_init_sigchld(struct ctdb_context *ctdb);
610 int ctdb_kill(struct ctdb_context *ctdb, pid_t pid, int signum);
612 /* from server/ctdb_freeze.c */
614 int32_t ctdb_control_db_freeze(struct ctdb_context *ctdb,
615 struct ctdb_req_control_old *c,
616 uint32_t db_id, bool *async_reply);
617 int32_t ctdb_control_db_thaw(struct ctdb_context *ctdb, uint32_t db_id);
619 int32_t ctdb_control_freeze(struct ctdb_context *ctdb,
620 struct ctdb_req_control_old *c, bool *async_reply);
621 int32_t ctdb_control_thaw(struct ctdb_context *ctdb, bool check_recmode);
623 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
625 int32_t ctdb_control_db_transaction_start(struct ctdb_context *ctdb,
627 int32_t ctdb_control_db_transaction_cancel(struct ctdb_context *ctdb,
629 int32_t ctdb_control_db_transaction_commit(struct ctdb_context *ctdb,
632 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
634 bool ctdb_db_frozen(struct ctdb_db_context *ctdb_db);
635 bool ctdb_db_all_frozen(struct ctdb_context *ctdb);
636 bool ctdb_db_allow_access(struct ctdb_db_context *ctdb_db);
638 /* from server/ctdb_keepalive.c */
640 void ctdb_start_keepalive(struct ctdb_context *ctdb);
641 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
643 void ctdb_request_keepalive(struct ctdb_context *ctdb,
644 struct ctdb_req_header *hdr);
646 /* from server/ctdb_lock.c */
650 typedef int (*ctdb_db_handler_t)(struct ctdb_db_context *ctdb_db,
653 int ctdb_db_iterator(struct ctdb_context *ctdb, ctdb_db_handler_t handler,
656 int ctdb_lockdb_mark(struct ctdb_db_context *ctdb_db);
658 int ctdb_lockdb_unmark(struct ctdb_db_context *ctdb_db);
660 struct lock_request *ctdb_lock_record(TALLOC_CTX *mem_ctx,
661 struct ctdb_db_context *ctdb_db,
664 void (*callback)(void *, bool),
667 struct lock_request *ctdb_lock_db(TALLOC_CTX *mem_ctx,
668 struct ctdb_db_context *ctdb_db,
670 void (*callback)(void *, bool),
673 /* from ctdb_logging.c */
675 bool ctdb_logging_init(TALLOC_CTX *mem_ctx, const char *logging,
676 const char *debug_level);
678 struct ctdb_log_state *ctdb_vfork_with_logging(TALLOC_CTX *mem_ctx,
679 struct ctdb_context *ctdb,
680 const char *log_prefix,
683 const char **helper_argv,
684 void (*logfn)(const char *,
686 void *logfn_private, pid_t *pid);
688 int ctdb_set_child_logging(struct ctdb_context *ctdb);
690 /* from ctdb_logging_file.c */
692 void ctdb_log_init_file(void);
694 /* from ctdb_logging_syslog.c */
696 void ctdb_log_init_syslog(void);
698 /* from ctdb_ltdb_server.c */
700 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
701 TDB_DATA key, struct ctdb_req_header *hdr,
702 void (*recv_pkt)(void *, struct ctdb_req_header *),
703 void *recv_context, bool ignore_generation);
705 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
706 TDB_DATA key, struct ctdb_ltdb_header *header,
707 struct ctdb_req_header *hdr, TDB_DATA *data,
708 void (*recv_pkt)(void *, struct ctdb_req_header *),
709 void *recv_context, bool ignore_generation);
711 int ctdb_load_persistent_health(struct ctdb_context *ctdb,
712 struct ctdb_db_context *ctdb_db);
713 int ctdb_update_persistent_health(struct ctdb_context *ctdb,
714 struct ctdb_db_context *ctdb_db,
715 const char *reason,/* NULL means healthy */
716 int num_healthy_nodes);
717 int ctdb_recheck_persistent_health(struct ctdb_context *ctdb);
719 int32_t ctdb_control_db_set_healthy(struct ctdb_context *ctdb,
721 int32_t ctdb_control_db_get_health(struct ctdb_context *ctdb,
722 TDB_DATA indata, TDB_DATA *outdata);
724 int ctdb_set_db_readonly(struct ctdb_context *ctdb,
725 struct ctdb_db_context *ctdb_db);
727 int ctdb_process_deferred_attach(struct ctdb_context *ctdb);
729 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb,
735 struct ctdb_req_control_old *c,
737 int32_t ctdb_control_db_detach(struct ctdb_context *ctdb, TDB_DATA indata,
740 int ctdb_attach_databases(struct ctdb_context *ctdb);
742 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id,
744 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
746 int ctdb_set_db_sticky(struct ctdb_context *ctdb,
747 struct ctdb_db_context *ctdb_db);
749 void ctdb_db_statistics_reset(struct ctdb_db_context *ctdb_db);
751 int32_t ctdb_control_get_db_statistics(struct ctdb_context *ctdb,
752 uint32_t db_id, TDB_DATA *outdata);
754 /* from ctdb_monitor.c */
756 void ctdb_run_notification_script(struct ctdb_context *ctdb, const char *event);
758 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
760 void ctdb_wait_for_first_recovery(struct ctdb_context *ctdb);
762 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
764 /* from ctdb_persistent.c */
766 void ctdb_persistent_finish_trans3_commits(struct ctdb_context *ctdb);
768 int32_t ctdb_control_trans3_commit(struct ctdb_context *ctdb,
769 struct ctdb_req_control_old *c,
770 TDB_DATA recdata, bool *async_reply);
772 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
773 struct ctdb_req_control_old *c,
775 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
776 struct ctdb_req_control_old *c,
779 int32_t ctdb_control_get_db_seqnum(struct ctdb_context *ctdb,
780 TDB_DATA indata, TDB_DATA *outdata);
782 /* from ctdb_recover.c */
784 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode,
785 TDB_DATA indata, TDB_DATA *outdata);
786 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode,
787 TDB_DATA indata, TDB_DATA *outdata);
789 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode,
790 TDB_DATA indata, TDB_DATA *outdata);
791 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode,
792 TDB_DATA indata, TDB_DATA *outdata);
794 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
796 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata,
798 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
800 int32_t ctdb_control_db_pull(struct ctdb_context *ctdb,
801 struct ctdb_req_control_old *c,
802 TDB_DATA indata, TDB_DATA *outdata);
803 int32_t ctdb_control_db_push_start(struct ctdb_context *ctdb,
805 int32_t ctdb_control_db_push_confirm(struct ctdb_context *ctdb,
806 TDB_DATA indata, TDB_DATA *outdata);
808 int ctdb_deferred_drop_all_ips(struct ctdb_context *ctdb);
810 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
811 struct ctdb_req_control_old *c,
812 TDB_DATA indata, bool *async_reply,
813 const char **errormsg);
815 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
816 struct ctdb_req_control_old *c,
818 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
819 struct ctdb_req_control_old *c,
822 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb,
823 TDB_DATA indata, TDB_DATA *outdata);
825 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb,
828 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
829 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb,
830 uint32_t opcode, TDB_DATA indata);
832 int32_t ctdb_control_stop_node(struct ctdb_context *ctdb);
833 int32_t ctdb_control_continue_node(struct ctdb_context *ctdb);
835 /* from ctdb_recoverd.c */
837 int ctdb_start_recoverd(struct ctdb_context *ctdb);
838 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
840 /* from ctdb_server.c */
842 int ctdb_set_transport(struct ctdb_context *ctdb, const char *transport);
844 int ctdb_ip_to_nodeid(struct ctdb_context *ctdb, const ctdb_sock_addr *nodeip);
846 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
848 int ctdb_set_address(struct ctdb_context *ctdb, const char *address);
850 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
852 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
854 void ctdb_node_dead(struct ctdb_node *node);
855 void ctdb_node_connected(struct ctdb_node *node);
857 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
858 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb,
859 struct ctdb_req_header *hdr, unsigned opcode);
861 /* from ctdb_serverids.c */
863 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
864 uint32_t client_id, TDB_DATA indata);
865 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
867 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
869 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
872 /* from ctdb_statistics.c */
874 int ctdb_statistics_init(struct ctdb_context *ctdb);
876 int32_t ctdb_control_get_stat_history(struct ctdb_context *ctdb,
877 struct ctdb_req_control_old *c,
880 /* from ctdb_takeover.c */
882 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
883 struct ctdb_req_control_old *c,
886 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
887 struct ctdb_req_control_old *c,
890 int32_t ctdb_control_ipreallocated(struct ctdb_context *ctdb,
891 struct ctdb_req_control_old *c,
894 int ctdb_set_public_addresses(struct ctdb_context *ctdb, bool check_addresses);
896 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
898 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata,
899 bool tcp_update_needed);
900 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
901 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
903 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
905 void ctdb_release_all_ips(struct ctdb_context *ctdb);
907 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb,
908 struct ctdb_req_control_old *c,
910 int32_t ctdb_control_get_public_ip_info(struct ctdb_context *ctdb,
911 struct ctdb_req_control_old *c,
912 TDB_DATA indata, TDB_DATA *outdata);
914 int32_t ctdb_control_get_ifaces(struct ctdb_context *ctdb,
915 struct ctdb_req_control_old *c,
917 int32_t ctdb_control_set_iface_link(struct ctdb_context *ctdb,
918 struct ctdb_req_control_old *c,
921 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb,
923 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb,
924 TDB_DATA indata, TDB_DATA *outdata);
926 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
928 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb,
931 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb,
933 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb,
936 int32_t ctdb_control_reload_public_ips(struct ctdb_context *ctdb,
937 struct ctdb_req_control_old *c,
940 /* from ctdb_traverse.c */
942 int32_t ctdb_control_traverse_all_ext(struct ctdb_context *ctdb,
943 TDB_DATA data, TDB_DATA *outdata);
944 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb,
945 TDB_DATA data, TDB_DATA *outdata);
946 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb,
947 TDB_DATA data, TDB_DATA *outdata);
948 int32_t ctdb_control_traverse_kill(struct ctdb_context *ctdb, TDB_DATA indata,
949 TDB_DATA *outdata, uint32_t srcnode);
951 int32_t ctdb_control_traverse_start_ext(struct ctdb_context *ctdb,
952 TDB_DATA indata, TDB_DATA *outdata,
953 uint32_t srcnode, uint32_t client_id);
954 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb,
955 TDB_DATA indata, TDB_DATA *outdata,
956 uint32_t srcnode, uint32_t client_id);
958 /* from ctdb_tunables.c */
960 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
962 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
964 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
965 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb,
968 /* from ctdb_tunnel.c */
970 int32_t ctdb_control_tunnel_register(struct ctdb_context *ctdb,
971 uint32_t client_id, uint64_t tunnel_id);
972 int32_t ctdb_control_tunnel_deregister(struct ctdb_context *ctdb,
973 uint32_t client_id, uint64_t tunnel_id);
975 int ctdb_daemon_send_tunnel(struct ctdb_context *ctdb, uint32_t destnode,
976 uint64_t tunnel_id, uint32_t client_id,
979 void ctdb_request_tunnel(struct ctdb_context *ctdb,
980 struct ctdb_req_header *hdr);
982 /* from ctdb_update_record.c */
984 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
985 struct ctdb_req_control_old *c,
986 TDB_DATA recdata, bool *async_reply);
988 /* from ctdb_uptime.c */
990 int32_t ctdb_control_uptime(struct ctdb_context *ctdb, TDB_DATA *outdata);
992 /* from ctdb_vacuum.c */
994 void ctdb_stop_vacuuming(struct ctdb_context *ctdb);
995 int ctdb_vacuum_init(struct ctdb_db_context *ctdb_db);
997 int32_t ctdb_control_schedule_for_deletion(struct ctdb_context *ctdb,
999 int32_t ctdb_local_schedule_for_deletion(struct ctdb_db_context *ctdb_db,
1000 const struct ctdb_ltdb_header *hdr,
1003 void ctdb_local_remove_from_delete_queue(struct ctdb_db_context *ctdb_db,
1004 const struct ctdb_ltdb_header *hdr,
1005 const TDB_DATA key);
1007 /* from eventscript.c */
1009 int ctdb_start_eventd(struct ctdb_context *ctdb);
1010 void ctdb_stop_eventd(struct ctdb_context *ctdb);
1012 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1013 TALLOC_CTX *mem_ctx,
1014 void (*callback)(struct ctdb_context *,
1017 enum ctdb_event call,
1018 const char *fmt, ...) PRINTF_ATTRIBUTE(6,7);
1020 int ctdb_event_script_args(struct ctdb_context *ctdb,
1021 enum ctdb_event call,
1022 const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
1024 int ctdb_event_script(struct ctdb_context *ctdb,
1025 enum ctdb_event call);