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>
27 recovery daemon memdump reply address
29 struct rd_memdump_reply {
35 description for a TAKEOVER_RUN message reply address
37 struct takeover_run_reply {
43 * pid of the ctdbd daemon
45 extern pid_t ctdbd_pid;
48 a tcp connection description
49 also used by tcp_add and tcp_remove controls
51 struct ctdb_tcp_connection {
52 ctdb_sock_addr src_addr;
53 ctdb_sock_addr dst_addr;
56 /* the wire representation for a tcp tickle array */
57 struct ctdb_tcp_wire_array {
59 struct ctdb_tcp_connection connections[1];
62 /* the list of tcp tickles used by get/set tcp tickle list */
63 struct ctdb_control_tcp_tickle_list {
65 struct ctdb_tcp_wire_array tickles;
69 array of tcp connections
71 struct ctdb_tcp_array {
73 struct ctdb_tcp_connection *connections;
77 /* all tunable variables go in here */
79 uint32_t max_redirect_count;
80 uint32_t seqnum_interval; /* unit is ms */
81 uint32_t control_timeout;
82 uint32_t traverse_timeout;
83 uint32_t keepalive_interval;
84 uint32_t keepalive_limit;
86 uint32_t recover_timeout;
87 uint32_t recover_interval;
88 uint32_t election_timeout;
89 uint32_t takeover_timeout;
90 uint32_t monitor_interval;
91 uint32_t tickle_update_interval;
92 uint32_t script_timeout;
93 uint32_t script_timeout_count; /* allow dodgy scripts to hang this many times in a row before we mark the node unhealthy */
94 uint32_t script_unhealthy_on_timeout; /* obsolete */
95 uint32_t recovery_grace_period;
96 uint32_t recovery_ban_period;
97 uint32_t database_hash_size;
98 uint32_t database_max_dead;
99 uint32_t rerecovery_timeout;
100 uint32_t enable_bans;
101 uint32_t deterministic_public_ips;
102 uint32_t reclock_ping_period;
103 uint32_t no_ip_failback;
104 uint32_t disable_ip_failover;
105 uint32_t verbose_memory_names;
106 uint32_t recd_ping_timeout;
107 uint32_t recd_ping_failcount;
108 uint32_t log_latency_ms;
109 uint32_t reclock_latency_ms;
110 uint32_t recovery_drop_all_ips;
111 uint32_t verify_recovery_lock;
112 uint32_t vacuum_default_interval;
113 uint32_t vacuum_max_run_time;
114 uint32_t repack_limit;
115 uint32_t vacuum_limit;
116 uint32_t vacuum_min_interval;
117 uint32_t vacuum_max_interval;
118 uint32_t max_queue_depth_drop_msg;
119 uint32_t use_status_events_for_monitoring;
120 uint32_t allow_unhealthy_db_read;
121 uint32_t stat_history_interval;
125 an installed ctdb remote call
127 struct ctdb_registered_call {
128 struct ctdb_registered_call *next, *prev;
134 this address structure might need to be generalised later for some
137 struct ctdb_address {
143 check that a pnn is valid
145 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
148 /* called from the queue code when a packet comes in. Called with data==NULL
150 typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
153 /* used for callbacks in ctdb_control requests */
154 typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
155 int32_t status, TDB_DATA data,
156 const char *errormsg,
159 structure describing a connected client in the daemon
162 struct ctdb_context *ctdb;
164 struct ctdb_queue *queue;
167 struct ctdb_tcp_list *tcp_list;
169 uint32_t num_persistent_updates;
170 struct ctdb_client_notify_list *notify;
175 /* state associated with a public ip address */
177 struct ctdb_vnn *prev, *next;
179 struct ctdb_iface *iface;
181 ctdb_sock_addr public_address;
182 uint8_t public_netmask_bits;
184 /* the node number that is serving this public address, if any.
185 If no node serves this ip it is set to -1 */
188 /* List of clients to tickle for this public address */
189 struct ctdb_tcp_array *tcp_array;
191 /* whether we need to update the other nodes with changes to our list
192 of connected clients */
193 bool tcp_update_needed;
195 /* a context to hang sending gratious arp events off */
196 TALLOC_CTX *takeover_ctx;
198 struct ctdb_kill_tcp *killtcp;
202 state associated with one node
205 struct ctdb_context *ctdb;
206 struct ctdb_address address;
207 const char *name; /* for debug messages */
208 void *private_data; /* private to transport */
212 /* used by the dead node monitoring */
217 /* used to track node capabilities, is only valid/tracked inside the
220 uint32_t capabilities;
222 /* a list of controls pending to this node, so we can time them out quickly
223 if the node becomes disconnected */
224 struct daemon_control_state *pending_controls;
226 /* used by the recovery daemon when distributing ip addresses
227 across the nodes. it needs to know which public ip's can be handled
230 struct ctdb_all_public_ips *known_public_ips;
231 struct ctdb_all_public_ips *available_public_ips;
232 /* used by the recovery dameon to track when a node should be banned */
233 struct ctdb_banning_state *ban_state;
237 transport specific methods
239 struct ctdb_methods {
240 int (*initialise)(struct ctdb_context *); /* initialise transport structures */
241 int (*start)(struct ctdb_context *); /* start the transport */
242 int (*add_node)(struct ctdb_node *); /* setup a new node */
243 int (*connect_node)(struct ctdb_node *); /* connect to node */
244 int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
245 void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
246 void (*shutdown)(struct ctdb_context *); /* shutdown transport */
247 void (*restart)(struct ctdb_node *); /* stop and restart the connection */
251 transport calls up to the ctdb layer
253 struct ctdb_upcalls {
254 /* recv_pkt is called when a packet comes in */
255 void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
257 /* node_dead is called when an attempt to send to a node fails */
258 void (*node_dead)(struct ctdb_node *);
260 /* node_connected is called when a connection to a node is established */
261 void (*node_connected)(struct ctdb_node *);
264 /* list of message handlers - needs to be changed to a more efficient data
265 structure so we can find a message handler given a srvid quickly */
266 struct ctdb_message_list {
267 struct ctdb_context *ctdb;
268 struct ctdb_message_list *next, *prev;
270 ctdb_msg_fn_t message_handler;
271 void *message_private;
274 /* additional data required for the daemon mode */
275 struct ctdb_daemon_data {
278 struct ctdb_queue *queue;
282 #define CTDB_UPDATE_STAT(ctdb, counter, value) \
284 if (value > ctdb->statistics.counter) { \
285 ctdb->statistics.counter = c->hopcount; \
287 if (value > ctdb->statistics_current.counter) { \
288 ctdb->statistics_current.counter = c->hopcount; \
292 #define CTDB_INCREMENT_STAT(ctdb, counter) \
294 ctdb->statistics.counter++; \
295 ctdb->statistics_current.counter++; \
298 #define CTDB_DECREMENT_STAT(ctdb, counter) \
300 if (ctdb->statistics.counter > 0) \
301 ctdb->statistics.counter--; \
302 if (ctdb->statistics_current.counter > 0) \
303 ctdb->statistics_current.counter--; \
306 #define CTDB_UPDATE_RECLOCK_LATENCY(ctdb, name, counter, value) \
308 if (value > ctdb->statistics.counter.max) \
309 ctdb->statistics.counter.max = value; \
310 if (value > ctdb->statistics_current.counter.max) \
311 ctdb->statistics_current.counter.max = value; \
313 if (ctdb->statistics.counter.num == 0 || value < ctdb->statistics.counter.min) \
314 ctdb->statistics.counter.min = value; \
315 if (ctdb->statistics_current.counter.num == 0 || value < ctdb->statistics_current.counter.min) \
316 ctdb->statistics_current.counter.min = value; \
318 ctdb->statistics.counter.total += value; \
319 ctdb->statistics_current.counter.total += value; \
321 ctdb->statistics.counter.num++; \
322 ctdb->statistics_current.counter.num++; \
324 if (ctdb->tunable.reclock_latency_ms != 0) { \
325 if (value*1000 > ctdb->tunable.reclock_latency_ms) { \
326 DEBUG(DEBUG_ERR, ("High RECLOCK latency %fs for operation %s\n", value, name)); \
332 #define CTDB_UPDATE_LATENCY(ctdb, db, operation, counter, t) \
334 double l = timeval_elapsed(&t); \
336 if (l > ctdb->statistics.counter.max) \
337 ctdb->statistics.counter.max = l; \
338 if (l > ctdb->statistics_current.counter.max) \
339 ctdb->statistics_current.counter.max = l; \
341 if (ctdb->statistics.counter.num == 0 || l < ctdb->statistics.counter.min) \
342 ctdb->statistics.counter.min = l; \
343 if (ctdb->statistics_current.counter.num == 0 || l < ctdb->statistics_current.counter.min) \
344 ctdb->statistics_current.counter.min = l; \
346 ctdb->statistics.counter.total += l; \
347 ctdb->statistics_current.counter.total += l; \
349 ctdb->statistics.counter.num++; \
350 ctdb->statistics_current.counter.num++; \
352 if (ctdb->tunable.log_latency_ms !=0) { \
353 if (l*1000 > ctdb->tunable.log_latency_ms) { \
354 DEBUG(DEBUG_WARNING, ("High latency %.6fs for operation %s on database %s\n", l, operation, db->db_name));\
363 #define INVALID_GENERATION 1
364 /* table that contains the mapping between a hash value and lmaster
366 struct ctdb_vnn_map {
373 a wire representation of the vnn map
375 struct ctdb_vnn_map_wire {
381 /* a structure that contains the elements required for the write record
384 struct ctdb_write_record {
388 unsigned char blob[1];
391 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
393 #define CTDB_MONITORING_ACTIVE 0
394 #define CTDB_MONITORING_DISABLED 1
396 /* The different capabilities of the ctdb daemon. */
397 #define CTDB_CAP_RECMASTER 0x00000001
398 #define CTDB_CAP_LMASTER 0x00000002
399 /* This capability is set if CTDB_LVS_PUBLIC_IP is set */
400 #define CTDB_CAP_LVS 0x00000004
401 /* This capability is set if NATGW is enabled */
402 #define CTDB_CAP_NATGW 0x00000008
404 #define NUM_DB_PRIORITIES 3
405 /* main state of the ctdb daemon */
406 struct ctdb_context {
407 struct tevent_context *ev;
408 struct timeval ctdbd_start_time;
409 struct timeval last_recovery_started;
410 struct timeval last_recovery_finished;
411 uint32_t recovery_mode;
412 TALLOC_CTX *tickle_update_context;
413 TALLOC_CTX *keepalive_ctx;
414 struct ctdb_tunable tunable;
415 enum ctdb_freeze_mode freeze_mode[NUM_DB_PRIORITIES+1];
416 struct ctdb_freeze_handle *freeze_handles[NUM_DB_PRIORITIES+1];
417 bool freeze_transaction_started;
418 uint32_t freeze_transaction_id;
419 struct ctdb_address address;
421 const char *db_directory;
422 const char *db_directory_persistent;
423 const char *db_directory_state;
424 struct tdb_wrap *db_persistent_health;
425 uint32_t db_persistent_startup_generation;
426 uint64_t db_persistent_check_errors;
427 uint64_t max_persistent_check_errors;
428 const char *transport;
429 char *recovery_lock_file;
430 int recovery_lock_fd;
431 uint32_t pnn; /* our own pnn */
433 uint32_t num_connected;
435 uint32_t capabilities;
436 struct idr_context *idr;
438 struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
439 struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
440 struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
441 struct ctdb_iface *ifaces; /* list of local interfaces */
443 const struct ctdb_methods *methods; /* transport methods */
444 const struct ctdb_upcalls *upcalls; /* transport upcalls */
445 void *private_data; /* private to transport */
446 struct ctdb_db_context *db_list;
447 struct ctdb_message_list *message_list;
448 struct ctdb_daemon_data daemon;
449 struct ctdb_statistics statistics;
450 struct ctdb_statistics statistics_current;
451 #define MAX_STAT_HISTORY 100
452 struct ctdb_statistics statistics_history[MAX_STAT_HISTORY];
453 struct ctdb_vnn_map *vnn_map;
454 uint32_t num_clients;
455 uint32_t recovery_master;
456 struct ctdb_call_state *pending_calls;
457 struct ctdb_client_ip *client_ip_list;
458 struct trbt_tree *server_ids;
459 const char *event_script_dir;
460 const char *notification_script;
461 const char *default_public_interface;
467 struct ctdb_monitor_state *monitor;
468 struct ctdb_log_state *log;
469 int start_as_disabled;
470 int start_as_stopped;
472 uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
473 uint32_t *recd_ping_count;
474 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
476 TALLOC_CTX *event_script_ctx;
478 struct ctdb_event_script_state *current_monitor;
479 struct ctdb_scripts_wire *last_status[CTDB_EVENT_MAX];
481 TALLOC_CTX *banning_ctx;
483 struct ctdb_vacuum_child_context *vacuumers;
485 /* mapping from pid to ctdb_client * */
486 struct ctdb_client_pid_list *client_pids;
488 /* used in the recovery daemon to remember the ip allocation */
489 struct trbt_tree *ip_tree;
492 struct ctdb_db_context {
493 struct ctdb_db_context *next, *prev;
494 struct ctdb_context *ctdb;
500 struct tdb_wrap *ltdb;
501 struct ctdb_registered_call *calls; /* list of registered calls */
503 struct timed_event *seqnum_update;
504 struct ctdb_traverse_local_handle *traverse;
505 bool transaction_active;
506 struct ctdb_vacuum_handle *vacuum_handle;
507 char *unhealthy_reason;
511 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
512 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
513 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
514 return -1; }} while (0)
516 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
517 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
518 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
521 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
522 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
523 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
524 return NULL; }} while (0)
526 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
527 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
528 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
532 structure passed in set_call control
534 struct ctdb_control_set_call {
541 struct for kill_tcp control
543 struct ctdb_control_killtcp {
544 ctdb_sock_addr src_addr;
545 ctdb_sock_addr dst_addr;
549 struct holding a ctdb_sock_addr and an interface name,
550 used to add/remove public addresses
552 struct ctdb_control_ip_iface {
560 struct holding a ctdb_sock_addr and an interface name,
561 used for send_gratious_arp
563 struct ctdb_control_gratious_arp {
571 persistent store control - update this record on all other nodes
573 struct ctdb_control_persistent_store {
580 structure used for CTDB_SRVID_NODE_FLAGS_CHANGED
582 struct ctdb_node_flag_change {
589 struct for admin setting a ban
591 struct ctdb_ban_info {
596 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
598 #define CTDB_LMASTER_ANY 0xffffffff
601 state of a in-progress ctdb call
603 struct ctdb_call_state {
604 struct ctdb_call_state *next, *prev;
605 enum call_state state;
607 struct ctdb_req_call *c;
608 struct ctdb_db_context *ctdb_db;
610 struct ctdb_call *call;
613 void (*fn)(struct ctdb_call_state *);
619 /* used for fetch_lock */
620 struct ctdb_fetch_handle {
621 struct ctdb_db_context *ctdb_db;
624 struct ctdb_ltdb_header header;
627 /* internal prototypes */
628 void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
629 void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
630 bool ctdb_same_address(struct ctdb_address *a1, struct ctdb_address *a2);
631 int ctdb_parse_address(struct ctdb_context *ctdb,
632 TALLOC_CTX *mem_ctx, const char *str,
633 struct ctdb_address *address);
634 bool ctdb_same_ip(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
635 bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
636 uint32_t ctdb_hash(const TDB_DATA *key);
637 uint32_t ctdb_hash_string(const char *str);
638 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
639 void ctdb_request_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
640 void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
641 void ctdb_reply_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
642 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
643 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
645 uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
646 int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
647 TDB_DATA key, struct ctdb_ltdb_header *header,
648 TALLOC_CTX *mem_ctx, TDB_DATA *data);
649 int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
650 struct ctdb_ltdb_header *header, TDB_DATA data);
651 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
652 struct ctdb_req_control *c,
654 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
655 struct ctdb_req_control *c,
657 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
658 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb, struct ctdb_req_header *hdr, unsigned opcode);
659 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
660 TDB_DATA key, struct ctdb_req_header *hdr,
661 void (*recv_pkt)(void *, struct ctdb_req_header *),
662 void *recv_context, bool ignore_generation);
663 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
664 TDB_DATA key, struct ctdb_ltdb_header *header,
665 struct ctdb_req_header *hdr, TDB_DATA *data,
666 void (*recv_pkt)(void *, struct ctdb_req_header *),
667 void *recv_context, bool ignore_generation);
668 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
670 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
671 struct ctdb_call *call,
672 struct ctdb_ltdb_header *header,
676 int ctdbd_start(struct ctdb_context *ctdb);
677 struct ctdb_call_state *ctdbd_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
678 int ctdbd_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
681 queue a packet for sending
683 int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
686 setup the fd used by the queue
688 int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
691 setup a packet queue on a socket
693 struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
694 TALLOC_CTX *mem_ctx, int fd, int alignment,
696 ctdb_queue_cb_fn_t callback,
697 void *private_data, const char *fmt, ...)
698 PRINTF_ATTRIBUTE(7,8);
701 allocate a packet for use in client<->daemon communication
703 struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
705 enum ctdb_operation operation,
706 size_t length, size_t slength,
708 #define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
709 (type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, sizeof(type), #type)
711 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
713 enum ctdb_operation operation,
714 size_t length, size_t slength,
716 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
717 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, sizeof(type), #type)
719 int ctdb_queue_length(struct ctdb_queue *queue);
722 lock a record in the ltdb, given a key
724 int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
727 unlock a record in the ltdb, given a key
729 int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
733 make a ctdb call to the local daemon - async send. Called from client context.
735 This constructs a ctdb_call request and queues it for processing.
736 This call never blocks.
738 struct ctdb_call_state *ctdb_client_call_send(struct ctdb_db_context *ctdb_db,
739 struct ctdb_call *call);
742 make a recv call to the local ctdb daemon - called from client context
744 This is called when the program wants to wait for a ctdb_call to complete and get the
745 results. This call will block unless the call has already completed.
747 int ctdb_client_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
749 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t vnn,
750 uint64_t srvid, TDB_DATA data);
755 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
756 uint64_t srvid, TDB_DATA data);
759 struct lockwait_handle *ctdb_lockwait(struct ctdb_db_context *ctdb_db,
761 void (*callback)(void *), void *private_data);
763 struct ctdb_call_state *ctdb_daemon_call_send(struct ctdb_db_context *ctdb_db,
764 struct ctdb_call *call);
766 int ctdb_daemon_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
768 struct ctdb_call_state *ctdb_daemon_call_send_remote(struct ctdb_db_context *ctdb_db,
769 struct ctdb_call *call,
770 struct ctdb_ltdb_header *header);
772 int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
773 struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx, TDB_DATA *data,
776 #define ctdb_reqid_find(ctdb, reqid, type) (type *)_ctdb_reqid_find(ctdb, reqid, #type, __location__)
778 void ctdb_recv_raw_pkt(void *p, uint8_t *data, uint32_t length);
780 int ctdb_socket_connect(struct ctdb_context *ctdb);
782 #define CTDB_BAD_REQID ((uint32_t)-1)
783 uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
784 void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
785 void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
787 void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
788 void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
790 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
791 uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
793 ctdb_control_callback_fn_t callback,
796 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
797 TDB_DATA *outdata, uint64_t tdb_flags, bool persistent);
799 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
800 ctdb_fn_t fn, int id);
802 int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
803 uint32_t opcode, uint32_t flags, TDB_DATA data,
804 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
805 struct timeval *timeout, char **errormsg);
806 int ctdb_control_recv(struct ctdb_context *ctdb,
807 struct ctdb_client_control_state *state,
809 TDB_DATA *outdata, int32_t *status, char **errormsg);
811 struct ctdb_client_control_state *
812 ctdb_control_send(struct ctdb_context *ctdb,
813 uint32_t destnode, uint64_t srvid,
814 uint32_t opcode, uint32_t flags, TDB_DATA data,
816 struct timeval *timeout,
822 #define CHECK_CONTROL_DATA_SIZE(size) do { \
823 if (indata.dsize != size) { \
824 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
825 opcode, (unsigned)indata.dsize, (unsigned)size)); \
830 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
831 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
832 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
833 int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
834 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
835 int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
838 struct ctdb_traverse_start {
845 structure used to pass record data between the child and parent
847 struct ctdb_rec_data {
856 /* structure used for pulldb control */
857 struct ctdb_control_pulldb {
862 /* structure used for sending lists of records */
863 struct ctdb_marshall_buffer {
869 /* set dmaster control structure */
870 struct ctdb_control_set_dmaster {
876 structure for setting a tunable
878 struct ctdb_control_set_tunable {
885 structure for getting a tunable
887 struct ctdb_control_get_tunable {
893 structure for listing tunables
895 struct ctdb_control_list_tunable {
897 /* returns a : separated list of tunable names */
902 struct ctdb_node_and_flagsv4 {
905 struct sockaddr_in sin;
908 struct ctdb_node_mapv4 {
910 struct ctdb_node_and_flagsv4 nodes[1];
913 struct ctdb_control_wipe_database {
915 uint32_t transaction_id;
919 state of a in-progress ctdb call in client
921 struct ctdb_client_call_state {
922 enum call_state state;
924 struct ctdb_db_context *ctdb_db;
925 struct ctdb_call *call;
927 void (*fn)(struct ctdb_client_call_state *);
933 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
934 TDB_DATA *outdata, uint32_t srcnode, uint32_t client_id);
935 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
936 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
937 int32_t ctdb_control_traverse_kill(struct ctdb_context *ctdb, TDB_DATA indata,
938 TDB_DATA *outdata, uint32_t srcnode);
940 int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
942 int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
943 int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
944 int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
946 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
947 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
949 struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
950 TDB_DATA key, struct ctdb_ltdb_header *, TDB_DATA data);
952 struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m, struct ctdb_rec_data *r,
954 struct ctdb_ltdb_header *header,
955 TDB_DATA *key, TDB_DATA *data);
957 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
958 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
959 int32_t ctdb_control_set_dmaster(struct ctdb_context *ctdb, TDB_DATA indata);
961 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
962 struct ctdb_req_control *c,
963 TDB_DATA indata, bool *async_reply,
964 const char **errormsg);
965 void ctdb_request_control_reply(struct ctdb_context *ctdb, struct ctdb_req_control *c,
966 TDB_DATA *outdata, int32_t status, const char *errormsg);
968 int32_t ctdb_control_freeze(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
969 int32_t ctdb_control_thaw(struct ctdb_context *ctdb, uint32_t priority);
971 int ctdb_start_recoverd(struct ctdb_context *ctdb);
972 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
974 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
976 void ctdb_disable_monitoring(struct ctdb_context *ctdb);
977 void ctdb_enable_monitoring(struct ctdb_context *ctdb);
978 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
979 void ctdb_start_monitoring(struct ctdb_context *ctdb);
980 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
981 void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
982 void ctdb_start_keepalive(struct ctdb_context *ctdb);
983 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
984 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA data, bool *async_reply);
987 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node);
988 void ctdb_call_resend_all(struct ctdb_context *ctdb);
989 void ctdb_node_dead(struct ctdb_node *node);
990 void ctdb_node_connected(struct ctdb_node *node);
991 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
992 void ctdb_high_priority(struct ctdb_context *ctdb);
993 void ctdb_reduce_priority(struct ctdb_context *ctdb);
994 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
995 struct ctdb_req_control *c,
998 int32_t ctdb_control_takeover_ipv4(struct ctdb_context *ctdb,
999 struct ctdb_req_control *c,
1002 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
1003 struct ctdb_req_control *c,
1006 int32_t ctdb_control_release_ipv4(struct ctdb_context *ctdb,
1007 struct ctdb_req_control *c,
1010 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
1011 struct ctdb_req_control *c,
1013 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
1014 struct ctdb_req_control *c,
1017 struct ctdb_public_ipv4 {
1019 struct sockaddr_in sin;
1022 int ctdb_ctrl_takeover_ip(struct ctdb_context *ctdb, struct timeval timeout,
1023 uint32_t destnode, struct ctdb_public_ip *ip);
1024 int ctdb_ctrl_release_ip(struct ctdb_context *ctdb, struct timeval timeout,
1025 uint32_t destnode, struct ctdb_public_ip *ip);
1027 struct ctdb_all_public_ipsv4 {
1029 struct ctdb_public_ipv4 ips[1];
1032 int32_t ctdb_control_get_public_ipsv4(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1033 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1034 int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
1035 struct timeval timeout,
1037 TALLOC_CTX *mem_ctx,
1038 struct ctdb_all_public_ips **ips);
1039 #define CTDB_PUBLIC_IP_FLAGS_ONLY_AVAILABLE 0x00010000
1040 int ctdb_ctrl_get_public_ips_flags(struct ctdb_context *ctdb,
1041 struct timeval timeout, uint32_t destnode,
1042 TALLOC_CTX *mem_ctx,
1044 struct ctdb_all_public_ips **ips);
1045 int ctdb_ctrl_get_public_ipsv4(struct ctdb_context *ctdb,
1046 struct timeval timeout, uint32_t destnode,
1047 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1050 #define CTDB_IFACE_SIZE IFNAMSIZ
1052 #define CTDB_IFACE_SIZE 16
1055 struct ctdb_control_iface_info {
1056 char name[CTDB_IFACE_SIZE+2];
1057 uint16_t link_state;
1058 uint32_t references;
1061 struct ctdb_control_public_ip_info {
1062 struct ctdb_public_ip ip;
1063 uint32_t active_idx;
1065 struct ctdb_control_iface_info ifaces[1];
1068 struct ctdb_control_get_ifaces {
1070 struct ctdb_control_iface_info ifaces[1];
1073 int32_t ctdb_control_get_public_ip_info(struct ctdb_context *ctdb,
1074 struct ctdb_req_control *c,
1077 int32_t ctdb_control_get_ifaces(struct ctdb_context *ctdb,
1078 struct ctdb_req_control *c,
1080 int32_t ctdb_control_set_iface_link(struct ctdb_context *ctdb,
1081 struct ctdb_req_control *c,
1083 int ctdb_ctrl_get_public_ip_info(struct ctdb_context *ctdb,
1084 struct timeval timeout, uint32_t destnode,
1085 TALLOC_CTX *mem_ctx,
1086 const ctdb_sock_addr *addr,
1087 struct ctdb_control_public_ip_info **info);
1088 int ctdb_ctrl_get_ifaces(struct ctdb_context *ctdb,
1089 struct timeval timeout, uint32_t destnode,
1090 TALLOC_CTX *mem_ctx,
1091 struct ctdb_control_get_ifaces **ifaces);
1092 int ctdb_ctrl_set_iface_link(struct ctdb_context *ctdb,
1093 struct timeval timeout, uint32_t destnode,
1094 TALLOC_CTX *mem_ctx,
1095 const struct ctdb_control_iface_info *info);
1097 /* from takeover/system.c */
1098 uint32_t uint16_checksum(uint16_t *data, size_t n);
1099 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
1100 bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
1101 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
1102 const ctdb_sock_addr *src,
1103 uint32_t seq, uint32_t ack, int rst);
1105 int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
1106 int ctdb_set_single_public_ip(struct ctdb_context *ctdb,
1109 int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
1110 int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
1111 int ctdb_set_notification_script(struct ctdb_context *ctdb, const char *script);
1112 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
1114 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
1116 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata, bool tcp_update_needed);
1117 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
1118 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
1119 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1120 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
1121 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1122 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
1124 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
1125 int ctdb_event_script(struct ctdb_context *ctdb, enum ctdb_eventscript_call call);
1126 int ctdb_event_script_args(struct ctdb_context *ctdb, enum ctdb_eventscript_call call,
1127 const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
1128 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1129 TALLOC_CTX *mem_ctx,
1130 void (*callback)(struct ctdb_context *, int, void *),
1133 enum ctdb_eventscript_call call,
1134 const char *fmt, ...) PRINTF_ATTRIBUTE(7,8);
1135 void ctdb_release_all_ips(struct ctdb_context *ctdb);
1137 void set_nonblocking(int fd);
1138 void set_close_on_exec(int fd);
1140 bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
1142 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
1144 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1146 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1147 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
1148 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1149 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1150 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1152 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1154 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
1156 int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
1157 struct timeval timeout,
1159 struct ctdb_tunable *tunables);
1161 int ctdb_start_freeze(struct ctdb_context *ctdb, uint32_t priority);
1163 bool parse_ip_mask(const char *s, const char *iface, ctdb_sock_addr *addr, unsigned *mask);
1164 bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
1165 bool parse_ip(const char *s, const char *iface, unsigned port, ctdb_sock_addr *addr);
1166 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
1169 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
1170 int ctdb_sys_close_capture_socket(void *private_data);
1171 int ctdb_sys_read_tcp_packet(int s, void *private_data, ctdb_sock_addr *src, ctdb_sock_addr *dst, uint32_t *ack_seq, uint32_t *seq);
1173 int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
1174 struct timeval timeout,
1176 struct ctdb_control_killtcp *killtcp);
1178 int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
1179 struct timeval timeout,
1181 struct ctdb_control_ip_iface *pub);
1183 int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
1184 struct timeval timeout,
1186 struct ctdb_control_ip_iface *pub);
1188 int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
1189 struct timeval timeout,
1191 ctdb_sock_addr *addr,
1192 const char *ifname);
1194 int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
1195 struct timeval timeout,
1197 TALLOC_CTX *mem_ctx,
1198 ctdb_sock_addr *addr,
1199 struct ctdb_control_tcp_tickle_list **list);
1202 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
1205 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
1207 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
1209 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
1211 int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
1214 int ctdb_attach_databases(struct ctdb_context *ctdb);
1216 int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
1217 struct ctdb_req_control *c,
1218 TDB_DATA recdata, bool *async_reply);
1219 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1220 struct ctdb_req_control *c, TDB_DATA recdata,
1222 int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
1223 struct ctdb_req_control *c,
1224 TDB_DATA recdata, bool *async_reply);
1226 int32_t ctdb_control_trans3_commit(struct ctdb_context *ctdb,
1227 struct ctdb_req_control *c,
1228 TDB_DATA recdata, bool *async_reply);
1230 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
1231 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
1232 int32_t ctdb_control_transaction_cancel(struct ctdb_context *ctdb);
1233 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
1234 int32_t ctdb_control_db_set_healthy(struct ctdb_context *ctdb, TDB_DATA indata);
1235 int32_t ctdb_control_db_get_health(struct ctdb_context *ctdb,
1240 int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
1241 int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
1243 void ctdb_block_signal(int signum);
1244 void ctdb_unblock_signal(int signum);
1245 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
1246 int ctdb_set_child_logging(struct ctdb_context *ctdb);
1247 void ctdb_lockdown_memory(struct ctdb_context *ctdb);
1249 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
1251 struct client_async_data {
1252 enum ctdb_controls opcode;
1253 bool dont_log_errors;
1255 uint32_t fail_count;
1256 client_async_callback callback;
1257 client_async_callback fail_callback;
1258 void *callback_data;
1260 void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
1261 int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
1262 int ctdb_client_async_control(struct ctdb_context *ctdb,
1263 enum ctdb_controls opcode,
1266 struct timeval timeout,
1267 bool dont_log_errors,
1269 client_async_callback client_callback,
1270 client_async_callback fail_callback,
1271 void *callback_data);
1273 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
1275 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
1277 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
1278 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
1280 int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
1281 struct ctdb_req_control *c);
1282 int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
1283 struct ctdb_req_control *c);
1284 int32_t ctdb_control_trans2_active(struct ctdb_context *ctdb,
1285 struct ctdb_req_control *c,
1288 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
1289 unsigned ctdb_addr_to_port(ctdb_sock_addr *addr);
1290 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
1292 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
1293 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
1295 extern int script_log_level;
1296 extern bool fast_start;
1298 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb,
1302 int ctdb_log_event_script_output(struct ctdb_context *ctdb, char *str, uint16_t len);
1303 int ctdb_ctrl_report_recd_lock_latency(struct ctdb_context *ctdb, struct timeval timeout, double latency);
1305 int32_t ctdb_control_stop_node(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1306 int32_t ctdb_control_continue_node(struct ctdb_context *ctdb);
1308 void ctdb_stop_vacuuming(struct ctdb_context *ctdb);
1309 int ctdb_vacuum_init(struct ctdb_db_context *ctdb_db);
1311 int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1312 int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1314 int32_t ctdb_control_set_ban_state(struct ctdb_context *ctdb, TDB_DATA indata);
1315 int32_t ctdb_control_get_ban_state(struct ctdb_context *ctdb, TDB_DATA *outdata);
1316 int32_t ctdb_control_set_db_priority(struct ctdb_context *ctdb, TDB_DATA indata);
1317 void ctdb_ban_self(struct ctdb_context *ctdb);
1319 int32_t ctdb_control_register_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
1321 int32_t ctdb_control_deregister_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
1323 int start_syslog_daemon(struct ctdb_context *ctdb);
1325 /* Where to send the log messages back to */
1326 struct ctdb_get_log_addr {
1332 extern int log_ringbuf_size;
1334 int32_t ctdb_control_get_log(struct ctdb_context *ctdb, TDB_DATA addr);
1335 int32_t ctdb_control_clear_log(struct ctdb_context *ctdb);
1338 struct ctdb_log_state *ctdb_fork_with_logging(TALLOC_CTX *mem_ctx,
1339 struct ctdb_context *ctdb,
1340 void (*logfn)(const char *, uint16_t, void *),
1341 void *logfn_private, pid_t *pid);
1343 int32_t ctdb_control_process_exists(struct ctdb_context *ctdb, pid_t pid);
1344 struct ctdb_client *ctdb_find_client_by_pid(struct ctdb_context *ctdb, pid_t pid);
1346 int32_t ctdb_control_get_db_seqnum(struct ctdb_context *ctdb,
1350 int ctdb_load_persistent_health(struct ctdb_context *ctdb,
1351 struct ctdb_db_context *ctdb_db);
1352 int ctdb_update_persistent_health(struct ctdb_context *ctdb,
1353 struct ctdb_db_context *ctdb_db,
1354 const char *reason,/* NULL means healthy */
1355 int num_healthy_nodes);
1356 int ctdb_recheck_persistent_health(struct ctdb_context *ctdb);
1358 void ctdb_run_notification_script(struct ctdb_context *ctdb, const char *event);
1360 void ctdb_fault_setup(void);
1362 int verify_remote_ip_allocation(struct ctdb_context *ctdb,
1363 struct ctdb_all_public_ips *ips);
1364 int update_ip_assignment_tree(struct ctdb_context *ctdb,
1365 struct ctdb_public_ip *ip);
1367 int ctdb_init_tevent_logging(struct ctdb_context *ctdb);
1369 int ctdb_statistics_init(struct ctdb_context *ctdb);
1371 int32_t ctdb_control_get_stat_history(struct ctdb_context *ctdb,
1372 struct ctdb_req_control *c,
1375 int ctdb_deferred_drop_all_ips(struct ctdb_context *ctdb);