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 typedef int (*ctdb_fn_t
)(struct ctdb_call_info
*);
41 struct ctdb_registered_call
{
42 struct ctdb_registered_call
*next
, *prev
;
48 check that a pnn is valid
50 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
52 /* used for callbacks in ctdb_control requests */
53 typedef void (*ctdb_control_callback_fn_t
)(struct ctdb_context
*,
54 int32_t status
, TDB_DATA data
,
58 structure describing a connected client in the daemon
61 struct ctdb_context
*ctdb
;
63 struct ctdb_queue
*queue
;
66 struct ctdb_tcp_list
*tcp_list
;
68 uint32_t num_persistent_updates
;
69 struct ctdb_client_notify_list
*notify
;
73 state associated with one node
76 struct ctdb_context
*ctdb
;
77 ctdb_sock_addr address
;
78 const char *name
; /* for debug messages */
79 void *transport_data
; /* private to transport */
83 /* used by the dead node monitoring */
88 /* a list of controls pending to this node, so we can time them out quickly
89 if the node becomes disconnected */
90 struct daemon_control_state
*pending_controls
;
94 transport specific methods
97 int (*initialise
)(struct ctdb_context
*); /* initialise transport structures */
98 int (*start
)(struct ctdb_context
*); /* start the transport */
99 int (*add_node
)(struct ctdb_node
*); /* setup a new node */
100 int (*connect_node
)(struct ctdb_node
*); /* connect to node */
101 int (*queue_pkt
)(struct ctdb_node
*, uint8_t *data
, uint32_t length
);
102 void *(*allocate_pkt
)(TALLOC_CTX
*mem_ctx
, size_t );
103 void (*shutdown
)(struct ctdb_context
*); /* shutdown transport */
104 void (*restart
)(struct ctdb_node
*); /* stop and restart the connection */
108 transport calls up to the ctdb layer
110 struct ctdb_upcalls
{
111 /* recv_pkt is called when a packet comes in */
112 void (*recv_pkt
)(struct ctdb_context
*, uint8_t *data
, uint32_t length
);
114 /* node_dead is called when an attempt to send to a node fails */
115 void (*node_dead
)(struct ctdb_node
*);
117 /* node_connected is called when a connection to a node is established */
118 void (*node_connected
)(struct ctdb_node
*);
121 /* additional data required for the daemon mode */
122 struct ctdb_daemon_data
{
125 struct ctdb_queue
*queue
;
129 #define CTDB_UPDATE_STAT(ctdb, counter, value) \
131 if (value > ctdb->statistics.counter) { \
132 ctdb->statistics.counter = value; \
134 if (value > ctdb->statistics_current.counter) { \
135 ctdb->statistics_current.counter = value; \
139 #define CTDB_INCREMENT_STAT(ctdb, counter) \
141 ctdb->statistics.counter++; \
142 ctdb->statistics_current.counter++; \
145 #define CTDB_DECREMENT_STAT(ctdb, counter) \
147 if (ctdb->statistics.counter > 0) \
148 ctdb->statistics.counter--; \
149 if (ctdb->statistics_current.counter > 0) \
150 ctdb->statistics_current.counter--; \
153 #define CTDB_INCREMENT_DB_STAT(ctdb_db, counter) \
155 ctdb_db->statistics.counter++; \
158 #define CTDB_DECREMENT_DB_STAT(ctdb_db, counter) \
160 if (ctdb_db->statistics.counter > 0) \
161 ctdb_db->statistics.counter--; \
164 #define CTDB_UPDATE_RECLOCK_LATENCY(ctdb, name, counter, value) \
166 if (value > ctdb->statistics.counter.max) \
167 ctdb->statistics.counter.max = value; \
168 if (value > ctdb->statistics_current.counter.max) \
169 ctdb->statistics_current.counter.max = value; \
171 if (ctdb->statistics.counter.num == 0 || \
172 value < ctdb->statistics.counter.min) \
173 ctdb->statistics.counter.min = value; \
174 if (ctdb->statistics_current.counter.num == 0 || \
175 value < ctdb->statistics_current.counter.min) \
176 ctdb->statistics_current.counter.min = value; \
178 ctdb->statistics.counter.total += value; \
179 ctdb->statistics_current.counter.total += value; \
181 ctdb->statistics.counter.num++; \
182 ctdb->statistics_current.counter.num++; \
184 if (ctdb->tunable.reclock_latency_ms != 0) { \
185 if (value*1000 > ctdb->tunable.reclock_latency_ms) { \
187 ("High RECLOCK latency %fs for operation %s\n", \
193 #define CTDB_UPDATE_DB_LATENCY(ctdb_db, operation, counter, value) \
195 if (value > ctdb_db->statistics.counter.max) \
196 ctdb_db->statistics.counter.max = value; \
197 if (ctdb_db->statistics.counter.num == 0 || \
198 value < ctdb_db->statistics.counter.min) \
199 ctdb_db->statistics.counter.min = value; \
201 ctdb_db->statistics.counter.total += value; \
202 ctdb_db->statistics.counter.num++; \
204 if (ctdb_db->ctdb->tunable.log_latency_ms != 0) { \
205 if (value*1000 > ctdb_db->ctdb->tunable.log_latency_ms) { \
207 ("High latency %.6fs for operation %s on database %s\n",\
208 value, operation, ctdb_db->db_name)); \
213 #define CTDB_UPDATE_LATENCY(ctdb, db, operation, counter, t) \
215 double l = timeval_elapsed(&t); \
217 if (l > ctdb->statistics.counter.max) \
218 ctdb->statistics.counter.max = l; \
219 if (l > ctdb->statistics_current.counter.max) \
220 ctdb->statistics_current.counter.max = l; \
222 if (ctdb->statistics.counter.num == 0 || \
223 l < ctdb->statistics.counter.min) \
224 ctdb->statistics.counter.min = l; \
225 if (ctdb->statistics_current.counter.num == 0 || \
226 l < ctdb->statistics_current.counter.min) \
227 ctdb->statistics_current.counter.min = l; \
229 ctdb->statistics.counter.total += l; \
230 ctdb->statistics_current.counter.total += l; \
232 ctdb->statistics.counter.num++; \
233 ctdb->statistics_current.counter.num++; \
235 if (ctdb->tunable.log_latency_ms != 0) { \
236 if (l*1000 > ctdb->tunable.log_latency_ms) { \
237 DEBUG(DEBUG_WARNING, \
238 ("High latency %.6fs for operation %s on database %s\n",\
239 l, operation, db->db_name)); \
245 struct ctdb_cluster_mutex_handle
;
246 struct eventd_context
;
248 enum ctdb_freeze_mode
{CTDB_FREEZE_NONE
, CTDB_FREEZE_PENDING
, CTDB_FREEZE_FROZEN
};
250 /* main state of the ctdb daemon */
251 struct ctdb_context
{
252 struct tevent_context
*ev
;
253 struct timeval ctdbd_start_time
;
254 struct timeval last_recovery_started
;
255 struct timeval last_recovery_finished
;
256 uint32_t recovery_mode
;
257 TALLOC_CTX
*tickle_update_context
;
258 TALLOC_CTX
*keepalive_ctx
;
259 TALLOC_CTX
*check_public_ifaces_ctx
;
260 struct ctdb_tunable_list tunable
;
261 enum ctdb_freeze_mode freeze_mode
;
262 struct ctdb_freeze_handle
*freeze_handle
;
263 bool freeze_transaction_started
;
264 uint32_t freeze_transaction_id
;
265 ctdb_sock_addr
*address
;
267 const char *db_directory
;
268 const char *db_directory_persistent
;
269 const char *db_directory_state
;
270 struct tdb_wrap
*db_persistent_health
;
271 uint32_t db_persistent_startup_generation
;
272 uint64_t db_persistent_check_errors
;
273 uint64_t max_persistent_check_errors
;
274 const char *transport
;
275 const char *recovery_lock
;
276 uint32_t pnn
; /* our own pnn */
278 uint32_t num_connected
;
280 uint32_t capabilities
;
281 struct reqid_context
*idr
;
282 struct ctdb_node
**nodes
; /* array of nodes in the cluster - indexed by vnn */
283 struct ctdb_vnn
*vnn
; /* list of public ip addresses and interfaces */
284 struct ctdb_interface
*ifaces
; /* list of local interfaces */
286 const struct ctdb_methods
*methods
; /* transport methods */
287 const struct ctdb_upcalls
*upcalls
; /* transport upcalls */
288 void *transport_data
; /* private to transport */
289 struct ctdb_db_context
*db_list
;
290 struct srvid_context
*srv
;
291 struct srvid_context
*tunnels
;
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 bool do_checkpublicip
;
301 const char *event_script_dir
;
302 const char *notification_script
;
305 enum ctdb_runstate runstate
;
306 struct ctdb_monitor_state
*monitor
;
307 int start_as_disabled
;
308 int start_as_stopped
;
310 uint32_t *recd_ping_count
;
311 TALLOC_CTX
*recd_ctx
; /* a context used to track recoverd monitoring events */
312 TALLOC_CTX
*release_ips_ctx
; /* a context used to automatically drop all IPs if we fail to recover the node */
314 struct eventd_context
*ectx
;
316 TALLOC_CTX
*banning_ctx
;
318 struct ctdb_vacuum_child_context
*vacuumer
;
320 /* mapping from pid to ctdb_client * */
321 struct ctdb_client_pid_list
*client_pids
;
323 /* Used to defer db attach requests while in recovery mode */
324 struct ctdb_deferred_attach_context
*deferred_attach
;
326 /* if we are a child process, do we have a domain socket to send controls on */
327 bool can_send_controls
;
329 struct ctdb_reloadips_handle
*reload_ips
;
331 const char *nodes_file
;
332 const char *public_addresses_file
;
333 struct trbt_tree
*child_processes
;
335 /* Used for locking record/db/alldb */
336 struct lock_context
*lock_current
;
337 struct lock_context
*lock_pending
;
340 struct ctdb_db_hot_key
{
343 uint32_t last_logged_count
;
346 struct ctdb_db_context
{
347 struct ctdb_db_context
*next
, *prev
;
348 struct ctdb_context
*ctdb
;
353 struct tdb_wrap
*ltdb
;
354 struct tdb_context
*rottdb
; /* ReadOnly tracking TDB */
355 struct ctdb_registered_call
*calls
; /* list of registered calls */
357 struct tevent_timer
*seqnum_update
;
358 struct ctdb_traverse_local_handle
*traverse
;
359 struct ctdb_vacuum_handle
*vacuum_handle
;
360 char *unhealthy_reason
;
361 int pending_requests
;
362 struct revokechild_handle
*revokechild_active
;
363 struct ctdb_persistent_state
*persistent_state
;
364 struct trbt_tree
*delete_queue
;
365 struct trbt_tree
*fetch_queue
;
366 struct trbt_tree
*sticky_records
;
367 int (*ctdb_ltdb_store_fn
)(struct ctdb_db_context
*ctdb_db
,
369 struct ctdb_ltdb_header
*header
,
372 /* used to track which records we are currently fetching
373 so we can avoid sending duplicate fetch requests
375 struct trbt_tree
*deferred_fetch
;
376 struct trbt_tree
*defer_dmaster
;
378 struct ctdb_db_statistics_old statistics
;
379 struct ctdb_db_hot_key hot_keys
[MAX_HOT_KEYS
];
381 struct lock_context
*lock_current
;
382 struct lock_context
*lock_pending
;
383 unsigned int lock_num_current
;
384 struct db_hash_context
*lock_log
;
386 struct ctdb_call_state
*pending_calls
;
388 enum ctdb_freeze_mode freeze_mode
;
389 struct ctdb_db_freeze_handle
*freeze_handle
;
390 bool freeze_transaction_started
;
391 uint32_t freeze_transaction_id
;
394 bool invalid_records
;
398 struct hash_count_context
*migratedb
;
402 #define CTDB_NO_MEMORY(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__); \
405 return -1; }} while (0)
407 #define CTDB_NO_MEMORY_VOID(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__); \
412 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
413 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
414 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
415 return NULL; }} while (0)
417 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
418 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
419 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
423 enum call_state
{CTDB_CALL_WAIT
, CTDB_CALL_DONE
, CTDB_CALL_ERROR
};
426 state of a in-progress ctdb call
428 struct ctdb_call_state
{
429 struct ctdb_call_state
*next
, *prev
;
430 enum call_state state
;
432 struct ctdb_req_call_old
*c
;
433 struct ctdb_db_context
*ctdb_db
;
435 struct ctdb_call
*call
;
438 void (*fn
)(struct ctdb_call_state
*);
443 /* internal prototypes */
445 #define CHECK_CONTROL_DATA_SIZE(size) do { \
446 if (indata.dsize != size) { \
447 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
448 opcode, (unsigned)indata.dsize, (unsigned)size)); \
453 #define CHECK_CONTROL_MIN_DATA_SIZE(size) do { \
454 if (indata.dsize < size) { \
455 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected >= %u\n", \
456 opcode, (unsigned)indata.dsize, (unsigned)size)); \
462 state of a in-progress ctdb call in client
464 struct ctdb_client_call_state
{
465 enum call_state state
;
467 struct ctdb_db_context
*ctdb_db
;
468 struct ctdb_call
*call
;
470 void (*fn
)(struct ctdb_client_call_state
*);
475 extern int script_log_level
;
476 extern bool fast_start
;
477 extern const char *ctdbd_pidfile
;
479 typedef void (*deferred_requeue_fn
)(void *call_context
, struct ctdb_req_header
*hdr
);
482 /* from tcp/ and ib/ */
484 int ctdb_tcp_init(struct ctdb_context
*ctdb
);
485 int ctdb_ibw_init(struct ctdb_context
*ctdb
);
487 /* from ctdb_banning.c */
489 int32_t ctdb_control_set_ban_state(struct ctdb_context
*ctdb
, TDB_DATA indata
);
490 int32_t ctdb_control_get_ban_state(struct ctdb_context
*ctdb
, TDB_DATA
*outdata
);
491 void ctdb_ban_self(struct ctdb_context
*ctdb
);
493 /* from ctdb_call.c */
495 struct ctdb_db_context
*find_ctdb_db(struct ctdb_context
*ctdb
, uint32_t id
);
497 void ctdb_request_dmaster(struct ctdb_context
*ctdb
,
498 struct ctdb_req_header
*hdr
);
499 void ctdb_reply_dmaster(struct ctdb_context
*ctdb
,
500 struct ctdb_req_header
*hdr
);
501 void ctdb_request_call(struct ctdb_context
*ctdb
, struct ctdb_req_header
*hdr
);
502 void ctdb_reply_call(struct ctdb_context
*ctdb
, struct ctdb_req_header
*hdr
);
503 void ctdb_reply_error(struct ctdb_context
*ctdb
, struct ctdb_req_header
*hdr
);
505 void ctdb_call_resend_db(struct ctdb_db_context
*ctdb
);
506 void ctdb_call_resend_all(struct ctdb_context
*ctdb
);
508 struct ctdb_call_state
*ctdb_call_local_send(struct ctdb_db_context
*ctdb_db
,
509 struct ctdb_call
*call
,
510 struct ctdb_ltdb_header
*header
,
513 struct ctdb_call_state
*ctdb_daemon_call_send_remote(
514 struct ctdb_db_context
*ctdb_db
,
515 struct ctdb_call
*call
,
516 struct ctdb_ltdb_header
*header
);
517 int ctdb_daemon_call_recv(struct ctdb_call_state
*state
,
518 struct ctdb_call
*call
);
520 int ctdb_start_revoke_ro_record(struct ctdb_context
*ctdb
,
521 struct ctdb_db_context
*ctdb_db
,
522 TDB_DATA key
, struct ctdb_ltdb_header
*header
,
525 int ctdb_add_revoke_deferred_call(struct ctdb_context
*ctdb
,
526 struct ctdb_db_context
*ctdb_db
,
527 TDB_DATA key
, struct ctdb_req_header
*hdr
,
528 deferred_requeue_fn fn
, void *call_context
);
530 int ctdb_migration_init(struct ctdb_db_context
*ctdb_db
);
532 /* from server/ctdb_control.c */
534 int32_t ctdb_dump_memory(struct ctdb_context
*ctdb
, TDB_DATA
*outdata
);
536 void ctdb_request_control_reply(struct ctdb_context
*ctdb
,
537 struct ctdb_req_control_old
*c
,
538 TDB_DATA
*outdata
, int32_t status
,
539 const char *errormsg
);
541 void ctdb_request_control(struct ctdb_context
*ctdb
,
542 struct ctdb_req_header
*hdr
);
543 void ctdb_reply_control(struct ctdb_context
*ctdb
,
544 struct ctdb_req_header
*hdr
);
546 int ctdb_daemon_send_control(struct ctdb_context
*ctdb
, uint32_t destnode
,
547 uint64_t srvid
, uint32_t opcode
,
548 uint32_t client_id
, uint32_t flags
,
550 ctdb_control_callback_fn_t callback
,
553 /* from server/ctdb_daemon.c */
555 int daemon_register_message_handler(struct ctdb_context
*ctdb
,
556 uint32_t client_id
, uint64_t srvid
);
557 int daemon_deregister_message_handler(struct ctdb_context
*ctdb
,
558 uint32_t client_id
, uint64_t srvid
);
560 void daemon_tunnel_handler(uint64_t tunnel_id
, TDB_DATA data
,
563 struct ctdb_node
*ctdb_find_node(struct ctdb_context
*ctdb
, uint32_t pnn
);
565 int ctdb_start_daemon(struct ctdb_context
*ctdb
,
567 bool test_mode_enabled
);
569 struct ctdb_req_header
*_ctdb_transport_allocate(struct ctdb_context
*ctdb
,
571 enum ctdb_operation operation
,
572 size_t length
, size_t slength
,
575 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
576 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, \
579 void ctdb_daemon_cancel_controls(struct ctdb_context
*ctdb
,
580 struct ctdb_node
*node
);
582 int ctdb_daemon_set_call(struct ctdb_context
*ctdb
, uint32_t db_id
,
583 ctdb_fn_t fn
, int id
);
585 int ctdb_daemon_send_message(struct ctdb_context
*ctdb
, uint32_t pnn
,
586 uint64_t srvid
, TDB_DATA data
);
588 int32_t ctdb_control_register_notify(struct ctdb_context
*ctdb
,
589 uint32_t client_id
, TDB_DATA indata
);
590 int32_t ctdb_control_deregister_notify(struct ctdb_context
*ctdb
,
591 uint32_t client_id
, TDB_DATA indata
);
593 struct ctdb_client
*ctdb_find_client_by_pid(struct ctdb_context
*ctdb
,
596 int32_t ctdb_control_process_exists(struct ctdb_context
*ctdb
, pid_t pid
);
597 int32_t ctdb_control_check_pid_srvid(struct ctdb_context
*ctdb
,
600 int ctdb_control_getnodesfile(struct ctdb_context
*ctdb
, uint32_t opcode
,
601 TDB_DATA indata
, TDB_DATA
*outdata
);
603 void ctdb_shutdown_sequence(struct ctdb_context
*ctdb
, int exit_code
);
605 int switch_from_server_to_client(struct ctdb_context
*ctdb
);
607 /* From server/ctdb_fork.c */
609 void ctdb_track_child(struct ctdb_context
*ctdb
, pid_t pid
);
611 pid_t
ctdb_fork(struct ctdb_context
*ctdb
);
612 pid_t
ctdb_vfork_exec(TALLOC_CTX
*mem_ctx
, struct ctdb_context
*ctdb
,
613 const char *helper
, int helper_argc
,
614 const char **helper_argv
);
616 struct tevent_signal
*ctdb_init_sigchld(struct ctdb_context
*ctdb
);
618 int ctdb_kill(struct ctdb_context
*ctdb
, pid_t pid
, int signum
);
620 /* from server/ctdb_freeze.c */
622 int32_t ctdb_control_db_freeze(struct ctdb_context
*ctdb
,
623 struct ctdb_req_control_old
*c
,
624 uint32_t db_id
, bool *async_reply
);
625 int32_t ctdb_control_db_thaw(struct ctdb_context
*ctdb
, uint32_t db_id
);
627 int32_t ctdb_control_freeze(struct ctdb_context
*ctdb
,
628 struct ctdb_req_control_old
*c
, bool *async_reply
);
629 int32_t ctdb_control_thaw(struct ctdb_context
*ctdb
, bool check_recmode
);
631 bool ctdb_blocking_freeze(struct ctdb_context
*ctdb
);
633 int32_t ctdb_control_db_transaction_start(struct ctdb_context
*ctdb
,
635 int32_t ctdb_control_db_transaction_cancel(struct ctdb_context
*ctdb
,
637 int32_t ctdb_control_db_transaction_commit(struct ctdb_context
*ctdb
,
640 int32_t ctdb_control_wipe_database(struct ctdb_context
*ctdb
, TDB_DATA indata
);
642 bool ctdb_db_frozen(struct ctdb_db_context
*ctdb_db
);
643 bool ctdb_db_all_frozen(struct ctdb_context
*ctdb
);
644 bool ctdb_db_allow_access(struct ctdb_db_context
*ctdb_db
);
646 /* from server/ctdb_keepalive.c */
648 void ctdb_start_keepalive(struct ctdb_context
*ctdb
);
649 void ctdb_stop_keepalive(struct ctdb_context
*ctdb
);
651 void ctdb_request_keepalive(struct ctdb_context
*ctdb
,
652 struct ctdb_req_header
*hdr
);
654 /* from server/ctdb_lock.c */
658 typedef int (*ctdb_db_handler_t
)(struct ctdb_db_context
*ctdb_db
,
661 int ctdb_db_iterator(struct ctdb_context
*ctdb
, ctdb_db_handler_t handler
,
664 int ctdb_lockdb_mark(struct ctdb_db_context
*ctdb_db
);
666 int ctdb_lockdb_unmark(struct ctdb_db_context
*ctdb_db
);
668 struct lock_request
*ctdb_lock_record(TALLOC_CTX
*mem_ctx
,
669 struct ctdb_db_context
*ctdb_db
,
672 void (*callback
)(void *, bool),
675 struct lock_request
*ctdb_lock_db(TALLOC_CTX
*mem_ctx
,
676 struct ctdb_db_context
*ctdb_db
,
678 void (*callback
)(void *, bool),
681 /* from ctdb_logging.c */
683 bool ctdb_logging_init(TALLOC_CTX
*mem_ctx
, const char *logging
,
684 const char *debug_level
);
686 int ctdb_set_child_logging(struct ctdb_context
*ctdb
);
688 /* from ctdb_logging_file.c */
690 void ctdb_log_init_file(void);
692 /* from ctdb_logging_syslog.c */
694 void ctdb_log_init_syslog(void);
696 /* from ctdb_ltdb_server.c */
698 int ctdb_ltdb_lock_requeue(struct ctdb_db_context
*ctdb_db
,
699 TDB_DATA key
, struct ctdb_req_header
*hdr
,
700 void (*recv_pkt
)(void *, struct ctdb_req_header
*),
701 void *recv_context
, bool ignore_generation
);
703 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context
*ctdb_db
,
704 TDB_DATA key
, struct ctdb_ltdb_header
*header
,
705 struct ctdb_req_header
*hdr
, TDB_DATA
*data
,
706 void (*recv_pkt
)(void *, struct ctdb_req_header
*),
707 void *recv_context
, bool ignore_generation
);
709 int ctdb_load_persistent_health(struct ctdb_context
*ctdb
,
710 struct ctdb_db_context
*ctdb_db
);
711 int ctdb_update_persistent_health(struct ctdb_context
*ctdb
,
712 struct ctdb_db_context
*ctdb_db
,
713 const char *reason
,/* NULL means healthy */
714 unsigned int num_healthy_nodes
);
715 int ctdb_recheck_persistent_health(struct ctdb_context
*ctdb
);
717 int32_t ctdb_control_db_set_healthy(struct ctdb_context
*ctdb
,
719 int32_t ctdb_control_db_get_health(struct ctdb_context
*ctdb
,
720 TDB_DATA indata
, TDB_DATA
*outdata
);
722 int ctdb_set_db_readonly(struct ctdb_context
*ctdb
,
723 struct ctdb_db_context
*ctdb_db
);
725 int ctdb_process_deferred_attach(struct ctdb_context
*ctdb
);
727 int32_t ctdb_control_db_attach(struct ctdb_context
*ctdb
,
733 struct ctdb_req_control_old
*c
,
735 int32_t ctdb_control_db_detach(struct ctdb_context
*ctdb
, TDB_DATA indata
,
738 int ctdb_attach_databases(struct ctdb_context
*ctdb
);
740 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context
*ctdb
, uint32_t db_id
,
742 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context
*ctdb
, uint32_t db_id
);
744 int ctdb_set_db_sticky(struct ctdb_context
*ctdb
,
745 struct ctdb_db_context
*ctdb_db
);
747 void ctdb_db_statistics_reset(struct ctdb_db_context
*ctdb_db
);
749 int32_t ctdb_control_get_db_statistics(struct ctdb_context
*ctdb
,
750 uint32_t db_id
, TDB_DATA
*outdata
);
752 /* from ctdb_monitor.c */
754 void ctdb_run_notification_script(struct ctdb_context
*ctdb
, const char *event
);
756 void ctdb_stop_monitoring(struct ctdb_context
*ctdb
);
758 void ctdb_wait_for_first_recovery(struct ctdb_context
*ctdb
);
760 int32_t ctdb_control_modflags(struct ctdb_context
*ctdb
, TDB_DATA indata
);
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_db_pull(struct ctdb_context
*ctdb
,
795 struct ctdb_req_control_old
*c
,
796 TDB_DATA indata
, TDB_DATA
*outdata
);
797 int32_t ctdb_control_db_push_start(struct ctdb_context
*ctdb
,
799 int32_t ctdb_control_db_push_confirm(struct ctdb_context
*ctdb
,
800 TDB_DATA indata
, TDB_DATA
*outdata
);
802 int ctdb_deferred_drop_all_ips(struct ctdb_context
*ctdb
);
804 int32_t ctdb_control_set_recmode(struct ctdb_context
*ctdb
,
805 struct ctdb_req_control_old
*c
,
806 TDB_DATA indata
, bool *async_reply
,
807 const char **errormsg
);
809 int32_t ctdb_control_end_recovery(struct ctdb_context
*ctdb
,
810 struct ctdb_req_control_old
*c
,
812 int32_t ctdb_control_start_recovery(struct ctdb_context
*ctdb
,
813 struct ctdb_req_control_old
*c
,
816 int32_t ctdb_control_try_delete_records(struct ctdb_context
*ctdb
,
817 TDB_DATA indata
, TDB_DATA
*outdata
);
819 int32_t ctdb_control_get_capabilities(struct ctdb_context
*ctdb
,
822 int32_t ctdb_control_recd_ping(struct ctdb_context
*ctdb
);
824 void ctdb_node_become_inactive(struct ctdb_context
*ctdb
);
826 int32_t ctdb_control_stop_node(struct ctdb_context
*ctdb
);
827 int32_t ctdb_control_continue_node(struct ctdb_context
*ctdb
);
829 /* from ctdb_recoverd.c */
831 int ctdb_start_recoverd(struct ctdb_context
*ctdb
);
832 void ctdb_stop_recoverd(struct ctdb_context
*ctdb
);
834 /* from ctdb_server.c */
836 int ctdb_set_transport(struct ctdb_context
*ctdb
, const char *transport
);
838 struct ctdb_node
*ctdb_ip_to_node(struct ctdb_context
*ctdb
,
839 const ctdb_sock_addr
*nodeip
);
840 uint32_t ctdb_ip_to_pnn(struct ctdb_context
*ctdb
,
841 const ctdb_sock_addr
*nodeip
);
843 void ctdb_load_nodes_file(struct ctdb_context
*ctdb
);
845 int ctdb_set_address(struct ctdb_context
*ctdb
, const char *address
);
847 uint32_t ctdb_get_num_active_nodes(struct ctdb_context
*ctdb
);
849 void ctdb_input_pkt(struct ctdb_context
*ctdb
, struct ctdb_req_header
*);
851 void ctdb_node_dead(struct ctdb_node
*node
);
852 void ctdb_node_connected(struct ctdb_node
*node
);
854 void ctdb_queue_packet(struct ctdb_context
*ctdb
, struct ctdb_req_header
*hdr
);
855 void ctdb_queue_packet_opcode(struct ctdb_context
*ctdb
,
856 struct ctdb_req_header
*hdr
, unsigned opcode
);
858 /* from ctdb_serverids.c */
860 int32_t ctdb_control_register_server_id(struct ctdb_context
*ctdb
,
861 uint32_t client_id
, TDB_DATA indata
);
862 int32_t ctdb_control_check_server_id(struct ctdb_context
*ctdb
,
864 int32_t ctdb_control_unregister_server_id(struct ctdb_context
*ctdb
,
866 int32_t ctdb_control_get_server_id_list(struct ctdb_context
*ctdb
,
869 /* from ctdb_statistics.c */
871 int ctdb_statistics_init(struct ctdb_context
*ctdb
);
873 int32_t ctdb_control_get_stat_history(struct ctdb_context
*ctdb
,
874 struct ctdb_req_control_old
*c
,
877 /* from ctdb_takeover.c */
879 int32_t ctdb_control_takeover_ip(struct ctdb_context
*ctdb
,
880 struct ctdb_req_control_old
*c
,
883 int32_t ctdb_control_release_ip(struct ctdb_context
*ctdb
,
884 struct ctdb_req_control_old
*c
,
887 int32_t ctdb_control_ipreallocated(struct ctdb_context
*ctdb
,
888 struct ctdb_req_control_old
*c
,
890 int32_t ctdb_control_start_ipreallocate(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_client_disconnected(struct ctdb_context
*ctdb
,
901 int32_t ctdb_control_tcp_client_passed(struct ctdb_context
*ctdb
,
904 int32_t ctdb_control_tcp_add(struct ctdb_context
*ctdb
, TDB_DATA indata
,
905 bool tcp_update_needed
);
906 int32_t ctdb_control_tcp_remove(struct ctdb_context
*ctdb
, TDB_DATA indata
);
907 int32_t ctdb_control_startup(struct ctdb_context
*ctdb
, uint32_t vnn
);
909 void ctdb_takeover_client_destructor_hook(struct ctdb_client
*client
);
911 void ctdb_release_all_ips(struct ctdb_context
*ctdb
);
913 int32_t ctdb_control_get_public_ips(struct ctdb_context
*ctdb
,
914 struct ctdb_req_control_old
*c
,
916 int32_t ctdb_control_get_public_ip_info(struct ctdb_context
*ctdb
,
917 struct ctdb_req_control_old
*c
,
918 TDB_DATA indata
, TDB_DATA
*outdata
);
920 int32_t ctdb_control_get_ifaces(struct ctdb_context
*ctdb
,
921 struct ctdb_req_control_old
*c
,
923 int32_t ctdb_control_set_iface_link(struct ctdb_context
*ctdb
,
924 struct ctdb_req_control_old
*c
,
927 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context
*ctdb
,
929 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context
*ctdb
,
930 TDB_DATA indata
, TDB_DATA
*outdata
);
932 void ctdb_start_tcp_tickle_update(struct ctdb_context
*ctdb
);
934 int32_t ctdb_control_send_gratious_arp(struct ctdb_context
*ctdb
,
937 int32_t ctdb_control_add_public_address(struct ctdb_context
*ctdb
,
939 int32_t ctdb_control_del_public_address(struct ctdb_context
*ctdb
,
942 int32_t ctdb_control_reload_public_ips(struct ctdb_context
*ctdb
,
943 struct ctdb_req_control_old
*c
,
946 /* from ctdb_traverse.c */
948 int32_t ctdb_control_traverse_all_ext(struct ctdb_context
*ctdb
,
949 TDB_DATA data
, TDB_DATA
*outdata
);
950 int32_t ctdb_control_traverse_all(struct ctdb_context
*ctdb
,
951 TDB_DATA data
, TDB_DATA
*outdata
);
952 int32_t ctdb_control_traverse_data(struct ctdb_context
*ctdb
,
953 TDB_DATA data
, TDB_DATA
*outdata
);
954 int32_t ctdb_control_traverse_kill(struct ctdb_context
*ctdb
, TDB_DATA indata
,
955 TDB_DATA
*outdata
, uint32_t srcnode
);
957 int32_t ctdb_control_traverse_start_ext(struct ctdb_context
*ctdb
,
958 TDB_DATA indata
, TDB_DATA
*outdata
,
959 uint32_t srcnode
, uint32_t client_id
);
960 int32_t ctdb_control_traverse_start(struct ctdb_context
*ctdb
,
961 TDB_DATA indata
, TDB_DATA
*outdata
,
962 uint32_t srcnode
, uint32_t client_id
);
964 /* from ctdb_tunables.c */
966 void ctdb_tunables_set_defaults(struct ctdb_context
*ctdb
);
968 int32_t ctdb_control_get_tunable(struct ctdb_context
*ctdb
, TDB_DATA indata
,
970 int32_t ctdb_control_set_tunable(struct ctdb_context
*ctdb
, TDB_DATA indata
);
971 int32_t ctdb_control_list_tunables(struct ctdb_context
*ctdb
,
973 bool ctdb_tunables_load(struct ctdb_context
*ctdb
);
975 /* from ctdb_tunnel.c */
977 int32_t ctdb_control_tunnel_register(struct ctdb_context
*ctdb
,
978 uint32_t client_id
, uint64_t tunnel_id
);
979 int32_t ctdb_control_tunnel_deregister(struct ctdb_context
*ctdb
,
980 uint32_t client_id
, uint64_t tunnel_id
);
982 int ctdb_daemon_send_tunnel(struct ctdb_context
*ctdb
, uint32_t destnode
,
983 uint64_t tunnel_id
, uint32_t client_id
,
986 void ctdb_request_tunnel(struct ctdb_context
*ctdb
,
987 struct ctdb_req_header
*hdr
);
989 /* from ctdb_update_record.c */
991 int32_t ctdb_control_update_record(struct ctdb_context
*ctdb
,
992 struct ctdb_req_control_old
*c
,
993 TDB_DATA recdata
, bool *async_reply
);
995 /* from ctdb_uptime.c */
997 int32_t ctdb_control_uptime(struct ctdb_context
*ctdb
, TDB_DATA
*outdata
);
999 /* from ctdb_vacuum.c */
1001 int32_t ctdb_control_db_vacuum(struct ctdb_context
*ctdb
,
1002 struct ctdb_req_control_old
*c
,
1006 void ctdb_stop_vacuuming(struct ctdb_context
*ctdb
);
1007 int ctdb_vacuum_init(struct ctdb_db_context
*ctdb_db
);
1009 int32_t ctdb_control_schedule_for_deletion(struct ctdb_context
*ctdb
,
1011 int32_t ctdb_local_schedule_for_deletion(struct ctdb_db_context
*ctdb_db
,
1012 const struct ctdb_ltdb_header
*hdr
,
1015 void ctdb_local_remove_from_delete_queue(struct ctdb_db_context
*ctdb_db
,
1016 const struct ctdb_ltdb_header
*hdr
,
1017 const TDB_DATA key
);
1019 int32_t ctdb_control_vacuum_fetch(struct ctdb_context
*ctdb
, TDB_DATA indata
);
1021 /* from eventscript.c */
1023 int ctdb_start_eventd(struct ctdb_context
*ctdb
);
1024 void ctdb_stop_eventd(struct ctdb_context
*ctdb
);
1026 int ctdb_event_script_callback(struct ctdb_context
*ctdb
,
1027 TALLOC_CTX
*mem_ctx
,
1028 void (*callback
)(struct ctdb_context
*,
1031 enum ctdb_event call
,
1032 const char *fmt
, ...) PRINTF_ATTRIBUTE(6,7);
1034 int ctdb_event_script_args(struct ctdb_context
*ctdb
,
1035 enum ctdb_event call
,
1036 const char *fmt
, ...) PRINTF_ATTRIBUTE(3,4);
1038 int ctdb_event_script(struct ctdb_context
*ctdb
,
1039 enum ctdb_event call
);
1041 void ctdb_event_reopen_logs(struct ctdb_context
*ctdb
);