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 ctdb_daemon_data daemon
;
293 struct ctdb_statistics statistics
;
294 struct ctdb_statistics statistics_current
;
295 #define MAX_STAT_HISTORY 100
296 struct ctdb_statistics statistics_history
[MAX_STAT_HISTORY
];
297 struct ctdb_vnn_map
*vnn_map
;
298 uint32_t num_clients
;
299 uint32_t recovery_master
;
300 struct ctdb_client_ip
*client_ip_list
;
301 bool do_checkpublicip
;
303 const char *event_script_dir
;
304 const char *notification_script
;
305 const char *default_public_interface
;
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
;
392 struct hash_count_context
*migratedb
;
396 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
397 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
398 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
399 return -1; }} while (0)
401 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
402 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
403 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
406 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
407 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
408 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
409 return NULL; }} while (0)
411 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
412 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
413 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
417 enum call_state
{CTDB_CALL_WAIT
, CTDB_CALL_DONE
, CTDB_CALL_ERROR
};
420 state of a in-progress ctdb call
422 struct ctdb_call_state
{
423 struct ctdb_call_state
*next
, *prev
;
424 enum call_state state
;
426 struct ctdb_req_call_old
*c
;
427 struct ctdb_db_context
*ctdb_db
;
429 struct ctdb_call
*call
;
432 void (*fn
)(struct ctdb_call_state
*);
437 /* internal prototypes */
439 #define CHECK_CONTROL_DATA_SIZE(size) do { \
440 if (indata.dsize != size) { \
441 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
442 opcode, (unsigned)indata.dsize, (unsigned)size)); \
447 #define CHECK_CONTROL_MIN_DATA_SIZE(size) do { \
448 if (indata.dsize < size) { \
449 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected >= %u\n", \
450 opcode, (unsigned)indata.dsize, (unsigned)size)); \
456 state of a in-progress ctdb call in client
458 struct ctdb_client_call_state
{
459 enum call_state state
;
461 struct ctdb_db_context
*ctdb_db
;
462 struct ctdb_call
*call
;
464 void (*fn
)(struct ctdb_client_call_state
*);
469 extern int script_log_level
;
470 extern bool fast_start
;
471 extern const char *ctdbd_pidfile
;
473 typedef void (*deferred_requeue_fn
)(void *call_context
, struct ctdb_req_header
*hdr
);
476 /* from tcp/ and ib/ */
478 int ctdb_tcp_init(struct ctdb_context
*ctdb
);
479 int ctdb_ibw_init(struct ctdb_context
*ctdb
);
481 /* from ctdb_banning.c */
483 void ctdb_local_node_got_banned(struct ctdb_context
*ctdb
);
484 int32_t ctdb_control_set_ban_state(struct ctdb_context
*ctdb
, TDB_DATA indata
);
485 int32_t ctdb_control_get_ban_state(struct ctdb_context
*ctdb
, TDB_DATA
*outdata
);
486 void ctdb_ban_self(struct ctdb_context
*ctdb
);
488 /* from ctdb_call.c */
490 struct ctdb_db_context
*find_ctdb_db(struct ctdb_context
*ctdb
, uint32_t id
);
492 void ctdb_request_dmaster(struct ctdb_context
*ctdb
,
493 struct ctdb_req_header
*hdr
);
494 void ctdb_reply_dmaster(struct ctdb_context
*ctdb
,
495 struct ctdb_req_header
*hdr
);
496 void ctdb_request_call(struct ctdb_context
*ctdb
, struct ctdb_req_header
*hdr
);
497 void ctdb_reply_call(struct ctdb_context
*ctdb
, struct ctdb_req_header
*hdr
);
498 void ctdb_reply_error(struct ctdb_context
*ctdb
, struct ctdb_req_header
*hdr
);
500 void ctdb_call_resend_db(struct ctdb_db_context
*ctdb
);
501 void ctdb_call_resend_all(struct ctdb_context
*ctdb
);
503 struct ctdb_call_state
*ctdb_call_local_send(struct ctdb_db_context
*ctdb_db
,
504 struct ctdb_call
*call
,
505 struct ctdb_ltdb_header
*header
,
508 struct ctdb_call_state
*ctdb_daemon_call_send_remote(
509 struct ctdb_db_context
*ctdb_db
,
510 struct ctdb_call
*call
,
511 struct ctdb_ltdb_header
*header
);
512 int ctdb_daemon_call_recv(struct ctdb_call_state
*state
,
513 struct ctdb_call
*call
);
515 int ctdb_start_revoke_ro_record(struct ctdb_context
*ctdb
,
516 struct ctdb_db_context
*ctdb_db
,
517 TDB_DATA key
, struct ctdb_ltdb_header
*header
,
520 int ctdb_add_revoke_deferred_call(struct ctdb_context
*ctdb
,
521 struct ctdb_db_context
*ctdb_db
,
522 TDB_DATA key
, struct ctdb_req_header
*hdr
,
523 deferred_requeue_fn fn
, void *call_context
);
525 int ctdb_migration_init(struct ctdb_db_context
*ctdb_db
);
527 /* from server/ctdb_control.c */
529 int32_t ctdb_dump_memory(struct ctdb_context
*ctdb
, TDB_DATA
*outdata
);
531 void ctdb_request_control_reply(struct ctdb_context
*ctdb
,
532 struct ctdb_req_control_old
*c
,
533 TDB_DATA
*outdata
, int32_t status
,
534 const char *errormsg
);
536 void ctdb_request_control(struct ctdb_context
*ctdb
,
537 struct ctdb_req_header
*hdr
);
538 void ctdb_reply_control(struct ctdb_context
*ctdb
,
539 struct ctdb_req_header
*hdr
);
541 int ctdb_daemon_send_control(struct ctdb_context
*ctdb
, uint32_t destnode
,
542 uint64_t srvid
, uint32_t opcode
,
543 uint32_t client_id
, uint32_t flags
,
545 ctdb_control_callback_fn_t callback
,
548 /* from server/ctdb_daemon.c */
550 int daemon_register_message_handler(struct ctdb_context
*ctdb
,
551 uint32_t client_id
, uint64_t srvid
);
552 int daemon_deregister_message_handler(struct ctdb_context
*ctdb
,
553 uint32_t client_id
, uint64_t srvid
);
554 int daemon_check_srvids(struct ctdb_context
*ctdb
, TDB_DATA indata
,
557 int ctdb_start_daemon(struct ctdb_context
*ctdb
, bool do_fork
);
559 struct ctdb_req_header
*_ctdb_transport_allocate(struct ctdb_context
*ctdb
,
561 enum ctdb_operation operation
,
562 size_t length
, size_t slength
,
565 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
566 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, \
569 void ctdb_daemon_cancel_controls(struct ctdb_context
*ctdb
,
570 struct ctdb_node
*node
);
572 int ctdb_daemon_set_call(struct ctdb_context
*ctdb
, uint32_t db_id
,
573 ctdb_fn_t fn
, int id
);
575 int ctdb_daemon_send_message(struct ctdb_context
*ctdb
, uint32_t pnn
,
576 uint64_t srvid
, TDB_DATA data
);
578 int32_t ctdb_control_register_notify(struct ctdb_context
*ctdb
,
579 uint32_t client_id
, TDB_DATA indata
);
580 int32_t ctdb_control_deregister_notify(struct ctdb_context
*ctdb
,
581 uint32_t client_id
, TDB_DATA indata
);
583 struct ctdb_client
*ctdb_find_client_by_pid(struct ctdb_context
*ctdb
,
586 int32_t ctdb_control_process_exists(struct ctdb_context
*ctdb
, pid_t pid
);
588 int ctdb_control_getnodesfile(struct ctdb_context
*ctdb
, uint32_t opcode
,
589 TDB_DATA indata
, TDB_DATA
*outdata
);
591 void ctdb_shutdown_sequence(struct ctdb_context
*ctdb
, int exit_code
);
593 int switch_from_server_to_client(struct ctdb_context
*ctdb
);
595 /* From server/ctdb_fork.c */
597 void ctdb_track_child(struct ctdb_context
*ctdb
, pid_t pid
);
599 pid_t
ctdb_fork(struct ctdb_context
*ctdb
);
600 pid_t
ctdb_vfork_exec(TALLOC_CTX
*mem_ctx
, struct ctdb_context
*ctdb
,
601 const char *helper
, int helper_argc
,
602 const char **helper_argv
);
604 struct tevent_signal
*ctdb_init_sigchld(struct ctdb_context
*ctdb
);
606 int ctdb_kill(struct ctdb_context
*ctdb
, pid_t pid
, int signum
);
608 /* from server/ctdb_freeze.c */
610 int32_t ctdb_control_db_freeze(struct ctdb_context
*ctdb
,
611 struct ctdb_req_control_old
*c
,
612 uint32_t db_id
, bool *async_reply
);
613 int32_t ctdb_control_db_thaw(struct ctdb_context
*ctdb
, uint32_t db_id
);
615 int32_t ctdb_control_freeze(struct ctdb_context
*ctdb
,
616 struct ctdb_req_control_old
*c
, bool *async_reply
);
617 int32_t ctdb_control_thaw(struct ctdb_context
*ctdb
, bool check_recmode
);
619 bool ctdb_blocking_freeze(struct ctdb_context
*ctdb
);
621 int32_t ctdb_control_db_transaction_start(struct ctdb_context
*ctdb
,
623 int32_t ctdb_control_db_transaction_cancel(struct ctdb_context
*ctdb
,
625 int32_t ctdb_control_db_transaction_commit(struct ctdb_context
*ctdb
,
628 int32_t ctdb_control_wipe_database(struct ctdb_context
*ctdb
, TDB_DATA indata
);
630 bool ctdb_db_frozen(struct ctdb_db_context
*ctdb_db
);
631 bool ctdb_db_all_frozen(struct ctdb_context
*ctdb
);
633 /* from server/ctdb_keepalive.c */
635 void ctdb_start_keepalive(struct ctdb_context
*ctdb
);
636 void ctdb_stop_keepalive(struct ctdb_context
*ctdb
);
638 void ctdb_request_keepalive(struct ctdb_context
*ctdb
,
639 struct ctdb_req_header
*hdr
);
641 /* from server/ctdb_lock.c */
645 typedef int (*ctdb_db_handler_t
)(struct ctdb_db_context
*ctdb_db
,
648 int ctdb_db_iterator(struct ctdb_context
*ctdb
, ctdb_db_handler_t handler
,
651 int ctdb_lockdb_mark(struct ctdb_db_context
*ctdb_db
);
653 int ctdb_lockdb_unmark(struct ctdb_db_context
*ctdb_db
);
655 struct lock_request
*ctdb_lock_record(TALLOC_CTX
*mem_ctx
,
656 struct ctdb_db_context
*ctdb_db
,
659 void (*callback
)(void *, bool),
662 struct lock_request
*ctdb_lock_db(TALLOC_CTX
*mem_ctx
,
663 struct ctdb_db_context
*ctdb_db
,
665 void (*callback
)(void *, bool),
668 /* from ctdb_logging.c */
670 bool ctdb_logging_init(TALLOC_CTX
*mem_ctx
, const char *logging
,
671 const char *debug_level
);
673 struct ctdb_log_state
*ctdb_vfork_with_logging(TALLOC_CTX
*mem_ctx
,
674 struct ctdb_context
*ctdb
,
675 const char *log_prefix
,
678 const char **helper_argv
,
679 void (*logfn
)(const char *,
681 void *logfn_private
, pid_t
*pid
);
683 int ctdb_set_child_logging(struct ctdb_context
*ctdb
);
685 /* from ctdb_logging_file.c */
687 void ctdb_log_init_file(void);
689 /* from ctdb_logging_syslog.c */
691 void ctdb_log_init_syslog(void);
693 /* from ctdb_ltdb_server.c */
695 int ctdb_ltdb_lock_requeue(struct ctdb_db_context
*ctdb_db
,
696 TDB_DATA key
, struct ctdb_req_header
*hdr
,
697 void (*recv_pkt
)(void *, struct ctdb_req_header
*),
698 void *recv_context
, bool ignore_generation
);
700 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context
*ctdb_db
,
701 TDB_DATA key
, struct ctdb_ltdb_header
*header
,
702 struct ctdb_req_header
*hdr
, TDB_DATA
*data
,
703 void (*recv_pkt
)(void *, struct ctdb_req_header
*),
704 void *recv_context
, bool ignore_generation
);
706 int ctdb_load_persistent_health(struct ctdb_context
*ctdb
,
707 struct ctdb_db_context
*ctdb_db
);
708 int ctdb_update_persistent_health(struct ctdb_context
*ctdb
,
709 struct ctdb_db_context
*ctdb_db
,
710 const char *reason
,/* NULL means healthy */
711 int num_healthy_nodes
);
712 int ctdb_recheck_persistent_health(struct ctdb_context
*ctdb
);
714 int32_t ctdb_control_db_set_healthy(struct ctdb_context
*ctdb
,
716 int32_t ctdb_control_db_get_health(struct ctdb_context
*ctdb
,
717 TDB_DATA indata
, TDB_DATA
*outdata
);
719 int ctdb_set_db_readonly(struct ctdb_context
*ctdb
,
720 struct ctdb_db_context
*ctdb_db
);
722 int ctdb_process_deferred_attach(struct ctdb_context
*ctdb
);
724 int32_t ctdb_control_db_attach(struct ctdb_context
*ctdb
, TDB_DATA indata
,
726 uint8_t db_flags
, uint32_t client_id
,
727 struct ctdb_req_control_old
*c
,
729 int32_t ctdb_control_db_detach(struct ctdb_context
*ctdb
, TDB_DATA indata
,
732 int ctdb_attach_databases(struct ctdb_context
*ctdb
);
734 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context
*ctdb
, uint32_t db_id
,
736 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context
*ctdb
, uint32_t db_id
);
738 int ctdb_set_db_sticky(struct ctdb_context
*ctdb
,
739 struct ctdb_db_context
*ctdb_db
);
741 void ctdb_db_statistics_reset(struct ctdb_db_context
*ctdb_db
);
743 int32_t ctdb_control_get_db_statistics(struct ctdb_context
*ctdb
,
744 uint32_t db_id
, TDB_DATA
*outdata
);
746 /* from ctdb_monitor.c */
748 int ctdb_set_notification_script(struct ctdb_context
*ctdb
, const char *script
);
749 void ctdb_run_notification_script(struct ctdb_context
*ctdb
, const char *event
);
751 void ctdb_disable_monitoring(struct ctdb_context
*ctdb
);
752 void ctdb_enable_monitoring(struct ctdb_context
*ctdb
);
753 void ctdb_stop_monitoring(struct ctdb_context
*ctdb
);
755 void ctdb_wait_for_first_recovery(struct ctdb_context
*ctdb
);
757 int32_t ctdb_control_modflags(struct ctdb_context
*ctdb
, TDB_DATA indata
);
759 int32_t ctdb_monitoring_mode(struct ctdb_context
*ctdb
);
760 bool ctdb_stopped_monitoring(struct ctdb_context
*ctdb
);
762 /* from ctdb_persistent.c */
764 void ctdb_persistent_finish_trans3_commits(struct ctdb_context
*ctdb
);
766 int32_t ctdb_control_trans3_commit(struct ctdb_context
*ctdb
,
767 struct ctdb_req_control_old
*c
,
768 TDB_DATA recdata
, bool *async_reply
);
770 int32_t ctdb_control_start_persistent_update(struct ctdb_context
*ctdb
,
771 struct ctdb_req_control_old
*c
,
773 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context
*ctdb
,
774 struct ctdb_req_control_old
*c
,
777 int32_t ctdb_control_get_db_seqnum(struct ctdb_context
*ctdb
,
778 TDB_DATA indata
, TDB_DATA
*outdata
);
780 /* from ctdb_recover.c */
782 int ctdb_control_getvnnmap(struct ctdb_context
*ctdb
, uint32_t opcode
,
783 TDB_DATA indata
, TDB_DATA
*outdata
);
784 int ctdb_control_setvnnmap(struct ctdb_context
*ctdb
, uint32_t opcode
,
785 TDB_DATA indata
, TDB_DATA
*outdata
);
787 int ctdb_control_getdbmap(struct ctdb_context
*ctdb
, uint32_t opcode
,
788 TDB_DATA indata
, TDB_DATA
*outdata
);
789 int ctdb_control_getnodemap(struct ctdb_context
*ctdb
, uint32_t opcode
,
790 TDB_DATA indata
, TDB_DATA
*outdata
);
792 int ctdb_control_reload_nodes_file(struct ctdb_context
*ctdb
, uint32_t opcode
);
794 int32_t ctdb_control_pull_db(struct ctdb_context
*ctdb
, TDB_DATA indata
,
796 int32_t ctdb_control_push_db(struct ctdb_context
*ctdb
, TDB_DATA indata
);
798 int32_t ctdb_control_db_pull(struct ctdb_context
*ctdb
,
799 struct ctdb_req_control_old
*c
,
800 TDB_DATA indata
, TDB_DATA
*outdata
);
801 int32_t ctdb_control_db_push_start(struct ctdb_context
*ctdb
,
803 int32_t ctdb_control_db_push_confirm(struct ctdb_context
*ctdb
,
804 TDB_DATA indata
, TDB_DATA
*outdata
);
806 int ctdb_deferred_drop_all_ips(struct ctdb_context
*ctdb
);
808 int32_t ctdb_control_set_recmode(struct ctdb_context
*ctdb
,
809 struct ctdb_req_control_old
*c
,
810 TDB_DATA indata
, bool *async_reply
,
811 const char **errormsg
);
813 int32_t ctdb_control_end_recovery(struct ctdb_context
*ctdb
,
814 struct ctdb_req_control_old
*c
,
816 int32_t ctdb_control_start_recovery(struct ctdb_context
*ctdb
,
817 struct ctdb_req_control_old
*c
,
820 int32_t ctdb_control_try_delete_records(struct ctdb_context
*ctdb
,
821 TDB_DATA indata
, TDB_DATA
*outdata
);
822 int32_t ctdb_control_receive_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_update_record.c */
970 int32_t ctdb_control_update_record(struct ctdb_context
*ctdb
,
971 struct ctdb_req_control_old
*c
,
972 TDB_DATA recdata
, bool *async_reply
);
974 /* from ctdb_uptime.c */
976 int32_t ctdb_control_uptime(struct ctdb_context
*ctdb
, TDB_DATA
*outdata
);
978 /* from ctdb_vacuum.c */
980 void ctdb_stop_vacuuming(struct ctdb_context
*ctdb
);
981 int ctdb_vacuum_init(struct ctdb_db_context
*ctdb_db
);
983 int32_t ctdb_control_schedule_for_deletion(struct ctdb_context
*ctdb
,
985 int32_t ctdb_local_schedule_for_deletion(struct ctdb_db_context
*ctdb_db
,
986 const struct ctdb_ltdb_header
*hdr
,
989 void ctdb_local_remove_from_delete_queue(struct ctdb_db_context
*ctdb_db
,
990 const struct ctdb_ltdb_header
*hdr
,
993 /* from eventscript.c */
995 int ctdb_start_eventd(struct ctdb_context
*ctdb
);
996 void ctdb_stop_eventd(struct ctdb_context
*ctdb
);
998 int ctdb_event_script_callback(struct ctdb_context
*ctdb
,
1000 void (*callback
)(struct ctdb_context
*,
1003 enum ctdb_event call
,
1004 const char *fmt
, ...) PRINTF_ATTRIBUTE(6,7);
1006 int ctdb_event_script_args(struct ctdb_context
*ctdb
,
1007 enum ctdb_event call
,
1008 const char *fmt
, ...) PRINTF_ATTRIBUTE(3,4);
1010 int ctdb_event_script(struct ctdb_context
*ctdb
,
1011 enum ctdb_event call
);