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;
85 uint32_t recover_timeout;
86 uint32_t recover_interval;
87 uint32_t election_timeout;
88 uint32_t takeover_timeout;
89 uint32_t monitor_interval;
90 uint32_t tickle_update_interval;
91 uint32_t script_timeout;
92 uint32_t script_timeout_count; /* allow dodgy scripts to hang this many times in a row before we mark the node unhealthy */
93 uint32_t script_unhealthy_on_timeout; /* obsolete */
94 uint32_t recovery_grace_period;
95 uint32_t recovery_ban_period;
96 uint32_t database_hash_size;
97 uint32_t database_max_dead;
98 uint32_t rerecovery_timeout;
100 uint32_t deterministic_public_ips;
101 uint32_t reclock_ping_period;
102 uint32_t no_ip_failback;
103 uint32_t disable_ip_failover;
104 uint32_t verbose_memory_names;
105 uint32_t recd_ping_timeout;
106 uint32_t recd_ping_failcount;
107 uint32_t log_latency_ms;
108 uint32_t reclock_latency_ms;
109 uint32_t recovery_drop_all_ips;
110 uint32_t verify_recovery_lock;
111 uint32_t vacuum_default_interval;
112 uint32_t vacuum_max_run_time;
113 uint32_t repack_limit;
114 uint32_t vacuum_limit;
115 uint32_t vacuum_min_interval;
116 uint32_t vacuum_max_interval;
117 uint32_t max_queue_depth_drop_msg;
118 uint32_t use_status_events_for_monitoring;
119 uint32_t allow_unhealthy_db_read;
120 uint32_t stat_history_interval;
121 uint32_t deferred_attach_timeout;
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;
460 void *saved_scheduler_param;
461 const char *event_script_dir;
462 const char *notification_script;
463 const char *default_public_interface;
469 struct ctdb_monitor_state *monitor;
470 struct ctdb_log_state *log;
471 int start_as_disabled;
472 int start_as_stopped;
474 uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
475 uint32_t *recd_ping_count;
476 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
478 TALLOC_CTX *event_script_ctx;
480 struct ctdb_event_script_state *current_monitor;
481 struct ctdb_scripts_wire *last_status[CTDB_EVENT_MAX];
483 TALLOC_CTX *banning_ctx;
485 struct ctdb_vacuum_child_context *vacuumers;
487 /* mapping from pid to ctdb_client * */
488 struct ctdb_client_pid_list *client_pids;
490 /* used in the recovery daemon to remember the ip allocation */
491 struct trbt_tree *ip_tree;
493 /* Used to defer db attach requests while in recovery mode */
494 struct ctdb_deferred_attach_context *deferred_attach;
497 struct ctdb_db_context {
498 struct ctdb_db_context *next, *prev;
499 struct ctdb_context *ctdb;
505 struct tdb_wrap *ltdb;
506 struct ctdb_registered_call *calls; /* list of registered calls */
508 struct timed_event *seqnum_update;
509 struct ctdb_traverse_local_handle *traverse;
510 bool transaction_active;
511 struct ctdb_vacuum_handle *vacuum_handle;
512 char *unhealthy_reason;
513 int pending_requests;
514 struct lockwait_handle *lockwait_active;
515 struct lockwait_handle *lockwait_overflow;
516 struct ctdb_persistent_state *persistent_state;
517 struct trbt_tree *delete_queue;
521 #define CTDB_NO_MEMORY(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 -1; }} while (0)
526 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
527 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
528 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
531 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
532 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
533 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
534 return NULL; }} while (0)
536 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
537 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
538 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
542 structure passed in set_call control
544 struct ctdb_control_set_call {
551 struct for kill_tcp control
553 struct ctdb_control_killtcp {
554 ctdb_sock_addr src_addr;
555 ctdb_sock_addr dst_addr;
559 struct holding a ctdb_sock_addr and an interface name,
560 used to add/remove public addresses
562 struct ctdb_control_ip_iface {
570 struct holding a ctdb_sock_addr and an interface name,
571 used for send_gratious_arp
573 struct ctdb_control_gratious_arp {
581 persistent store control - update this record on all other nodes
583 struct ctdb_control_persistent_store {
590 structure used for CTDB_SRVID_NODE_FLAGS_CHANGED
592 struct ctdb_node_flag_change {
599 struct for admin setting a ban
601 struct ctdb_ban_info {
606 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
608 #define CTDB_LMASTER_ANY 0xffffffff
611 state of a in-progress ctdb call
613 struct ctdb_call_state {
614 struct ctdb_call_state *next, *prev;
615 enum call_state state;
617 struct ctdb_req_call *c;
618 struct ctdb_db_context *ctdb_db;
620 struct ctdb_call *call;
623 void (*fn)(struct ctdb_call_state *);
629 /* used for fetch_lock */
630 struct ctdb_fetch_handle {
631 struct ctdb_db_context *ctdb_db;
634 struct ctdb_ltdb_header header;
637 /* internal prototypes */
638 void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
639 void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
640 bool ctdb_same_address(struct ctdb_address *a1, struct ctdb_address *a2);
641 int ctdb_parse_address(struct ctdb_context *ctdb,
642 TALLOC_CTX *mem_ctx, const char *str,
643 struct ctdb_address *address);
644 bool ctdb_same_ip(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
645 bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
646 uint32_t ctdb_hash(const TDB_DATA *key);
647 uint32_t ctdb_hash_string(const char *str);
648 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
649 void ctdb_request_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
650 void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
651 void ctdb_reply_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
652 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
653 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
655 uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
656 int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
657 TDB_DATA key, struct ctdb_ltdb_header *header,
658 TALLOC_CTX *mem_ctx, TDB_DATA *data);
659 int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
660 struct ctdb_ltdb_header *header, TDB_DATA data);
661 int ctdb_ltdb_delete(struct ctdb_db_context *ctdb_db, TDB_DATA key);
662 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
663 struct ctdb_req_control *c,
665 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
666 struct ctdb_req_control *c,
668 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
669 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb, struct ctdb_req_header *hdr, unsigned opcode);
670 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
671 TDB_DATA key, struct ctdb_req_header *hdr,
672 void (*recv_pkt)(void *, struct ctdb_req_header *),
673 void *recv_context, bool ignore_generation);
674 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
675 TDB_DATA key, struct ctdb_ltdb_header *header,
676 struct ctdb_req_header *hdr, TDB_DATA *data,
677 void (*recv_pkt)(void *, struct ctdb_req_header *),
678 void *recv_context, bool ignore_generation);
679 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
681 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
682 struct ctdb_call *call,
683 struct ctdb_ltdb_header *header,
687 int ctdbd_start(struct ctdb_context *ctdb);
688 struct ctdb_call_state *ctdbd_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
689 int ctdbd_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
692 queue a packet for sending
694 int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
697 setup the fd used by the queue
699 int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
702 setup a packet queue on a socket
704 struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
705 TALLOC_CTX *mem_ctx, int fd, int alignment,
707 ctdb_queue_cb_fn_t callback,
708 void *private_data, const char *fmt, ...)
709 PRINTF_ATTRIBUTE(7,8);
712 allocate a packet for use in client<->daemon communication
714 struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
716 enum ctdb_operation operation,
717 size_t length, size_t slength,
719 #define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
720 (type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, sizeof(type), #type)
722 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
724 enum ctdb_operation operation,
725 size_t length, size_t slength,
727 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
728 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, sizeof(type), #type)
730 int ctdb_queue_length(struct ctdb_queue *queue);
733 lock a record in the ltdb, given a key
735 int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
738 unlock a record in the ltdb, given a key
740 int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
744 make a ctdb call to the local daemon - async send. Called from client context.
746 This constructs a ctdb_call request and queues it for processing.
747 This call never blocks.
749 struct ctdb_call_state *ctdb_client_call_send(struct ctdb_db_context *ctdb_db,
750 struct ctdb_call *call);
753 make a recv call to the local ctdb daemon - called from client context
755 This is called when the program wants to wait for a ctdb_call to complete and get the
756 results. This call will block unless the call has already completed.
758 int ctdb_client_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
760 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t vnn,
761 uint64_t srvid, TDB_DATA data);
766 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
767 uint64_t srvid, TDB_DATA data);
770 struct lockwait_handle *ctdb_lockwait(struct ctdb_db_context *ctdb_db,
772 void (*callback)(void *), void *private_data);
774 struct ctdb_call_state *ctdb_daemon_call_send(struct ctdb_db_context *ctdb_db,
775 struct ctdb_call *call);
777 int ctdb_daemon_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
779 struct ctdb_call_state *ctdb_daemon_call_send_remote(struct ctdb_db_context *ctdb_db,
780 struct ctdb_call *call,
781 struct ctdb_ltdb_header *header);
783 int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
784 struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx,
787 #define ctdb_reqid_find(ctdb, reqid, type) (type *)_ctdb_reqid_find(ctdb, reqid, #type, __location__)
789 void ctdb_recv_raw_pkt(void *p, uint8_t *data, uint32_t length);
791 int ctdb_socket_connect(struct ctdb_context *ctdb);
793 #define CTDB_BAD_REQID ((uint32_t)-1)
794 uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
795 void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
796 void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
798 void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
799 void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
801 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
802 uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
804 ctdb_control_callback_fn_t callback,
807 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
808 TDB_DATA *outdata, uint64_t tdb_flags,
809 bool persistent, uint32_t client_id,
810 struct ctdb_req_control *c,
813 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
814 ctdb_fn_t fn, int id);
816 int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
817 uint32_t opcode, uint32_t flags, TDB_DATA data,
818 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
819 struct timeval *timeout, char **errormsg);
820 int ctdb_control_recv(struct ctdb_context *ctdb,
821 struct ctdb_client_control_state *state,
823 TDB_DATA *outdata, int32_t *status, char **errormsg);
825 struct ctdb_client_control_state *
826 ctdb_control_send(struct ctdb_context *ctdb,
827 uint32_t destnode, uint64_t srvid,
828 uint32_t opcode, uint32_t flags, TDB_DATA data,
830 struct timeval *timeout,
836 #define CHECK_CONTROL_DATA_SIZE(size) do { \
837 if (indata.dsize != size) { \
838 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
839 opcode, (unsigned)indata.dsize, (unsigned)size)); \
844 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
845 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
846 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
847 int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
848 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
849 int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
852 /* structure used for pulldb control */
853 struct ctdb_control_pulldb {
858 /* structure used for sending lists of records */
859 struct ctdb_marshall_buffer {
865 /* set dmaster control structure */
866 struct ctdb_control_set_dmaster {
872 structure for setting a tunable
874 struct ctdb_control_set_tunable {
881 structure for getting a tunable
883 struct ctdb_control_get_tunable {
889 structure for listing tunables
891 struct ctdb_control_list_tunable {
893 /* returns a : separated list of tunable names */
898 struct ctdb_node_and_flagsv4 {
901 struct sockaddr_in sin;
904 struct ctdb_node_mapv4 {
906 struct ctdb_node_and_flagsv4 nodes[1];
909 struct ctdb_control_wipe_database {
911 uint32_t transaction_id;
915 state of a in-progress ctdb call in client
917 struct ctdb_client_call_state {
918 enum call_state state;
920 struct ctdb_db_context *ctdb_db;
921 struct ctdb_call *call;
923 void (*fn)(struct ctdb_client_call_state *);
929 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
930 TDB_DATA *outdata, uint32_t srcnode, uint32_t client_id);
931 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
932 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
933 int32_t ctdb_control_traverse_kill(struct ctdb_context *ctdb, TDB_DATA indata,
934 TDB_DATA *outdata, uint32_t srcnode);
936 int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
938 int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
939 int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
940 int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
942 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
943 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
945 struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
946 TDB_DATA key, struct ctdb_ltdb_header *, TDB_DATA data);
948 struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m, struct ctdb_rec_data *r,
950 struct ctdb_ltdb_header *header,
951 TDB_DATA *key, TDB_DATA *data);
953 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
954 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
955 int32_t ctdb_control_set_dmaster(struct ctdb_context *ctdb, TDB_DATA indata);
957 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
958 struct ctdb_req_control *c,
959 TDB_DATA indata, bool *async_reply,
960 const char **errormsg);
961 void ctdb_request_control_reply(struct ctdb_context *ctdb, struct ctdb_req_control *c,
962 TDB_DATA *outdata, int32_t status, const char *errormsg);
964 int32_t ctdb_control_freeze(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
965 int32_t ctdb_control_thaw(struct ctdb_context *ctdb, uint32_t priority);
967 int ctdb_start_recoverd(struct ctdb_context *ctdb);
968 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
970 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
972 void ctdb_disable_monitoring(struct ctdb_context *ctdb);
973 void ctdb_enable_monitoring(struct ctdb_context *ctdb);
974 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
975 void ctdb_start_monitoring(struct ctdb_context *ctdb);
976 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
977 void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
978 void ctdb_start_keepalive(struct ctdb_context *ctdb);
979 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
980 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA data, bool *async_reply);
983 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node);
984 void ctdb_call_resend_all(struct ctdb_context *ctdb);
985 void ctdb_node_dead(struct ctdb_node *node);
986 void ctdb_node_connected(struct ctdb_node *node);
987 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
988 void ctdb_set_scheduler(struct ctdb_context *ctdb);
989 void ctdb_restore_scheduler(struct ctdb_context *ctdb);
990 pid_t ctdb_fork(struct ctdb_context *ctdb);
991 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
992 struct ctdb_req_control *c,
995 int32_t ctdb_control_takeover_ipv4(struct ctdb_context *ctdb,
996 struct ctdb_req_control *c,
999 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
1000 struct ctdb_req_control *c,
1003 int32_t ctdb_control_release_ipv4(struct ctdb_context *ctdb,
1004 struct ctdb_req_control *c,
1007 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
1008 struct ctdb_req_control *c,
1010 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
1011 struct ctdb_req_control *c,
1014 struct ctdb_public_ipv4 {
1016 struct sockaddr_in sin;
1019 int ctdb_ctrl_takeover_ip(struct ctdb_context *ctdb, struct timeval timeout,
1020 uint32_t destnode, struct ctdb_public_ip *ip);
1021 int ctdb_ctrl_release_ip(struct ctdb_context *ctdb, struct timeval timeout,
1022 uint32_t destnode, struct ctdb_public_ip *ip);
1024 struct ctdb_all_public_ipsv4 {
1026 struct ctdb_public_ipv4 ips[1];
1029 int32_t ctdb_control_get_public_ipsv4(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1030 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1031 int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
1032 struct timeval timeout,
1034 TALLOC_CTX *mem_ctx,
1035 struct ctdb_all_public_ips **ips);
1036 #define CTDB_PUBLIC_IP_FLAGS_ONLY_AVAILABLE 0x00010000
1037 int ctdb_ctrl_get_public_ips_flags(struct ctdb_context *ctdb,
1038 struct timeval timeout, uint32_t destnode,
1039 TALLOC_CTX *mem_ctx,
1041 struct ctdb_all_public_ips **ips);
1042 int ctdb_ctrl_get_public_ipsv4(struct ctdb_context *ctdb,
1043 struct timeval timeout, uint32_t destnode,
1044 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1047 #define CTDB_IFACE_SIZE IFNAMSIZ
1049 #define CTDB_IFACE_SIZE 16
1052 struct ctdb_control_iface_info {
1053 char name[CTDB_IFACE_SIZE+2];
1054 uint16_t link_state;
1055 uint32_t references;
1058 struct ctdb_control_public_ip_info {
1059 struct ctdb_public_ip ip;
1060 uint32_t active_idx;
1062 struct ctdb_control_iface_info ifaces[1];
1065 struct ctdb_control_get_ifaces {
1067 struct ctdb_control_iface_info ifaces[1];
1070 int32_t ctdb_control_get_public_ip_info(struct ctdb_context *ctdb,
1071 struct ctdb_req_control *c,
1074 int32_t ctdb_control_get_ifaces(struct ctdb_context *ctdb,
1075 struct ctdb_req_control *c,
1077 int32_t ctdb_control_set_iface_link(struct ctdb_context *ctdb,
1078 struct ctdb_req_control *c,
1080 int ctdb_ctrl_get_public_ip_info(struct ctdb_context *ctdb,
1081 struct timeval timeout, uint32_t destnode,
1082 TALLOC_CTX *mem_ctx,
1083 const ctdb_sock_addr *addr,
1084 struct ctdb_control_public_ip_info **info);
1085 int ctdb_ctrl_get_ifaces(struct ctdb_context *ctdb,
1086 struct timeval timeout, uint32_t destnode,
1087 TALLOC_CTX *mem_ctx,
1088 struct ctdb_control_get_ifaces **ifaces);
1089 int ctdb_ctrl_set_iface_link(struct ctdb_context *ctdb,
1090 struct timeval timeout, uint32_t destnode,
1091 TALLOC_CTX *mem_ctx,
1092 const struct ctdb_control_iface_info *info);
1094 /* from takeover/system.c */
1095 uint32_t uint16_checksum(uint16_t *data, size_t n);
1096 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
1097 bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
1098 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
1099 const ctdb_sock_addr *src,
1100 uint32_t seq, uint32_t ack, int rst);
1102 int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
1103 int ctdb_set_single_public_ip(struct ctdb_context *ctdb,
1106 int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
1107 int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
1108 int ctdb_set_notification_script(struct ctdb_context *ctdb, const char *script);
1109 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
1111 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
1113 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata, bool tcp_update_needed);
1114 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
1115 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
1116 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1117 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
1118 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1119 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
1121 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
1122 int ctdb_event_script(struct ctdb_context *ctdb, enum ctdb_eventscript_call call);
1123 int ctdb_event_script_args(struct ctdb_context *ctdb, enum ctdb_eventscript_call call,
1124 const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
1125 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1126 TALLOC_CTX *mem_ctx,
1127 void (*callback)(struct ctdb_context *, int, void *),
1130 enum ctdb_eventscript_call call,
1131 const char *fmt, ...) PRINTF_ATTRIBUTE(7,8);
1132 void ctdb_release_all_ips(struct ctdb_context *ctdb);
1134 void set_nonblocking(int fd);
1135 void set_close_on_exec(int fd);
1137 bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
1139 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
1141 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1143 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1144 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
1145 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1146 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1147 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1149 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1151 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
1153 int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
1154 struct timeval timeout,
1156 struct ctdb_tunable *tunables);
1158 int ctdb_start_freeze(struct ctdb_context *ctdb, uint32_t priority);
1160 bool parse_ip_mask(const char *s, const char *iface, ctdb_sock_addr *addr, unsigned *mask);
1161 bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
1162 bool parse_ip(const char *s, const char *iface, unsigned port, ctdb_sock_addr *addr);
1163 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
1166 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
1167 int ctdb_sys_close_capture_socket(void *private_data);
1168 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);
1170 int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
1171 struct timeval timeout,
1173 struct ctdb_control_killtcp *killtcp);
1175 int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
1176 struct timeval timeout,
1178 struct ctdb_control_ip_iface *pub);
1180 int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
1181 struct timeval timeout,
1183 struct ctdb_control_ip_iface *pub);
1185 int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
1186 struct timeval timeout,
1188 ctdb_sock_addr *addr,
1189 const char *ifname);
1191 int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
1192 struct timeval timeout,
1194 TALLOC_CTX *mem_ctx,
1195 ctdb_sock_addr *addr,
1196 struct ctdb_control_tcp_tickle_list **list);
1199 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
1202 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
1204 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
1206 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
1208 int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
1211 int ctdb_attach_databases(struct ctdb_context *ctdb);
1213 int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
1214 struct ctdb_req_control *c,
1215 TDB_DATA recdata, bool *async_reply);
1216 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1217 struct ctdb_req_control *c, TDB_DATA recdata,
1219 int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
1220 struct ctdb_req_control *c,
1221 TDB_DATA recdata, bool *async_reply);
1223 int32_t ctdb_control_trans3_commit(struct ctdb_context *ctdb,
1224 struct ctdb_req_control *c,
1225 TDB_DATA recdata, bool *async_reply);
1227 void ctdb_persistent_finish_trans3_commits(struct ctdb_context *ctdb);
1229 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
1230 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
1231 int32_t ctdb_control_transaction_cancel(struct ctdb_context *ctdb);
1232 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
1233 int32_t ctdb_control_db_set_healthy(struct ctdb_context *ctdb, TDB_DATA indata);
1234 int32_t ctdb_control_db_get_health(struct ctdb_context *ctdb,
1239 int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
1240 int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
1242 void ctdb_block_signal(int signum);
1243 void ctdb_unblock_signal(int signum);
1244 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
1245 int ctdb_set_child_logging(struct ctdb_context *ctdb);
1246 void ctdb_lockdown_memory(struct ctdb_context *ctdb);
1248 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
1250 struct client_async_data {
1251 enum ctdb_controls opcode;
1252 bool dont_log_errors;
1254 uint32_t fail_count;
1255 client_async_callback callback;
1256 client_async_callback fail_callback;
1257 void *callback_data;
1259 void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
1260 int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
1261 int ctdb_client_async_control(struct ctdb_context *ctdb,
1262 enum ctdb_controls opcode,
1265 struct timeval timeout,
1266 bool dont_log_errors,
1268 client_async_callback client_callback,
1269 client_async_callback fail_callback,
1270 void *callback_data);
1272 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
1274 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
1276 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
1277 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
1279 int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
1280 struct ctdb_req_control *c);
1281 int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
1282 struct ctdb_req_control *c);
1283 int32_t ctdb_control_trans2_active(struct ctdb_context *ctdb,
1284 struct ctdb_req_control *c,
1287 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
1288 unsigned ctdb_addr_to_port(ctdb_sock_addr *addr);
1289 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
1291 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
1292 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
1294 extern int script_log_level;
1295 extern bool fast_start;
1297 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb,
1301 int ctdb_log_event_script_output(struct ctdb_context *ctdb, char *str, uint16_t len);
1302 int ctdb_ctrl_report_recd_lock_latency(struct ctdb_context *ctdb, struct timeval timeout, double latency);
1304 int32_t ctdb_control_stop_node(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1305 int32_t ctdb_control_continue_node(struct ctdb_context *ctdb);
1307 void ctdb_stop_vacuuming(struct ctdb_context *ctdb);
1308 int ctdb_vacuum_init(struct ctdb_db_context *ctdb_db);
1310 int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1311 int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1313 int32_t ctdb_control_set_ban_state(struct ctdb_context *ctdb, TDB_DATA indata);
1314 int32_t ctdb_control_get_ban_state(struct ctdb_context *ctdb, TDB_DATA *outdata);
1315 int32_t ctdb_control_set_db_priority(struct ctdb_context *ctdb, TDB_DATA indata);
1316 void ctdb_ban_self(struct ctdb_context *ctdb);
1318 int32_t ctdb_control_register_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
1320 int32_t ctdb_control_deregister_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
1322 int start_syslog_daemon(struct ctdb_context *ctdb);
1324 /* Where to send the log messages back to */
1325 struct ctdb_get_log_addr {
1331 extern int log_ringbuf_size;
1333 int32_t ctdb_control_get_log(struct ctdb_context *ctdb, TDB_DATA addr);
1334 int32_t ctdb_control_clear_log(struct ctdb_context *ctdb);
1337 struct ctdb_log_state *ctdb_fork_with_logging(TALLOC_CTX *mem_ctx,
1338 struct ctdb_context *ctdb,
1339 void (*logfn)(const char *, uint16_t, void *),
1340 void *logfn_private, pid_t *pid);
1342 int32_t ctdb_control_process_exists(struct ctdb_context *ctdb, pid_t pid);
1343 struct ctdb_client *ctdb_find_client_by_pid(struct ctdb_context *ctdb, pid_t pid);
1345 int32_t ctdb_control_get_db_seqnum(struct ctdb_context *ctdb,
1349 int ctdb_load_persistent_health(struct ctdb_context *ctdb,
1350 struct ctdb_db_context *ctdb_db);
1351 int ctdb_update_persistent_health(struct ctdb_context *ctdb,
1352 struct ctdb_db_context *ctdb_db,
1353 const char *reason,/* NULL means healthy */
1354 int num_healthy_nodes);
1355 int ctdb_recheck_persistent_health(struct ctdb_context *ctdb);
1357 void ctdb_run_notification_script(struct ctdb_context *ctdb, const char *event);
1359 void ctdb_fault_setup(void);
1361 int verify_remote_ip_allocation(struct ctdb_context *ctdb,
1362 struct ctdb_all_public_ips *ips);
1363 int update_ip_assignment_tree(struct ctdb_context *ctdb,
1364 struct ctdb_public_ip *ip);
1366 int ctdb_init_tevent_logging(struct ctdb_context *ctdb);
1368 int ctdb_statistics_init(struct ctdb_context *ctdb);
1370 int32_t ctdb_control_get_stat_history(struct ctdb_context *ctdb,
1371 struct ctdb_req_control *c,
1374 int ctdb_deferred_drop_all_ips(struct ctdb_context *ctdb);
1376 int ctdb_process_deferred_attach(struct ctdb_context *ctdb);