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 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;
123 an installed ctdb remote call
125 struct ctdb_registered_call {
126 struct ctdb_registered_call *next, *prev;
132 this address structure might need to be generalised later for some
135 struct ctdb_address {
141 check that a pnn is valid
143 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
146 /* called from the queue code when a packet comes in. Called with data==NULL
148 typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
151 /* used for callbacks in ctdb_control requests */
152 typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
153 int32_t status, TDB_DATA data,
154 const char *errormsg,
157 structure describing a connected client in the daemon
160 struct ctdb_context *ctdb;
162 struct ctdb_queue *queue;
165 struct ctdb_tcp_list *tcp_list;
167 uint32_t num_persistent_updates;
168 struct ctdb_client_notify_list *notify;
173 /* state associated with a public ip address */
175 struct ctdb_vnn *prev, *next;
177 struct ctdb_iface *iface;
179 ctdb_sock_addr public_address;
180 uint8_t public_netmask_bits;
182 /* the node number that is serving this public address, if any.
183 If no node serves this ip it is set to -1 */
186 /* List of clients to tickle for this public address */
187 struct ctdb_tcp_array *tcp_array;
189 /* whether we need to update the other nodes with changes to our list
190 of connected clients */
191 bool tcp_update_needed;
193 /* a context to hang sending gratious arp events off */
194 TALLOC_CTX *takeover_ctx;
196 struct ctdb_kill_tcp *killtcp;
200 state associated with one node
203 struct ctdb_context *ctdb;
204 struct ctdb_address address;
205 const char *name; /* for debug messages */
206 void *private_data; /* private to transport */
210 /* used by the dead node monitoring */
215 /* used to track node capabilities, is only valid/tracked inside the
218 uint32_t capabilities;
220 /* a list of controls pending to this node, so we can time them out quickly
221 if the node becomes disconnected */
222 struct daemon_control_state *pending_controls;
224 /* used by the recovery daemon when distributing ip addresses
225 across the nodes. it needs to know which public ip's can be handled
228 struct ctdb_all_public_ips *known_public_ips;
229 struct ctdb_all_public_ips *available_public_ips;
230 /* used by the recovery dameon to track when a node should be banned */
231 struct ctdb_banning_state *ban_state;
235 transport specific methods
237 struct ctdb_methods {
238 int (*initialise)(struct ctdb_context *); /* initialise transport structures */
239 int (*start)(struct ctdb_context *); /* start the transport */
240 int (*add_node)(struct ctdb_node *); /* setup a new node */
241 int (*connect_node)(struct ctdb_node *); /* connect to node */
242 int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
243 void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
244 void (*shutdown)(struct ctdb_context *); /* shutdown transport */
245 void (*restart)(struct ctdb_node *); /* stop and restart the connection */
249 transport calls up to the ctdb layer
251 struct ctdb_upcalls {
252 /* recv_pkt is called when a packet comes in */
253 void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
255 /* node_dead is called when an attempt to send to a node fails */
256 void (*node_dead)(struct ctdb_node *);
258 /* node_connected is called when a connection to a node is established */
259 void (*node_connected)(struct ctdb_node *);
262 /* list of message handlers - needs to be changed to a more efficient data
263 structure so we can find a message handler given a srvid quickly */
264 struct ctdb_message_list {
265 struct ctdb_context *ctdb;
266 struct ctdb_message_list *next, *prev;
268 ctdb_msg_fn_t message_handler;
269 void *message_private;
272 /* additional data required for the daemon mode */
273 struct ctdb_daemon_data {
276 struct ctdb_queue *queue;
280 ctdb status information
282 struct ctdb_statistics {
283 uint32_t num_clients;
286 uint32_t client_packets_sent;
287 uint32_t client_packets_recv;
288 uint32_t node_packets_sent;
289 uint32_t node_packets_recv;
290 uint32_t keepalive_packets_sent;
291 uint32_t keepalive_packets_recv;
295 uint32_t req_dmaster;
296 uint32_t reply_dmaster;
297 uint32_t reply_error;
298 uint32_t req_message;
299 uint32_t req_control;
300 uint32_t reply_control;
304 uint32_t req_message;
305 uint32_t req_control;
316 uint32_t total_calls;
317 uint32_t pending_calls;
318 uint32_t lockwait_calls;
319 uint32_t pending_lockwait_calls;
320 uint32_t childwrite_calls;
321 uint32_t pending_childwrite_calls;
322 uint32_t memory_used;
323 uint32_t __last_counter; /* hack for control_statistics_all */
324 uint32_t max_hop_count;
325 double max_call_latency;
326 double max_lockwait_latency;
327 double max_childwrite_latency;
328 uint32_t num_recoveries;
329 struct timeval statistics_start_time;
330 struct timeval statistics_current_time;
334 #define INVALID_GENERATION 1
335 /* table that contains the mapping between a hash value and lmaster
337 struct ctdb_vnn_map {
344 a wire representation of the vnn map
346 struct ctdb_vnn_map_wire {
352 /* a structure that contains the elements required for the write record
355 struct ctdb_write_record {
359 unsigned char blob[1];
362 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
364 #define CTDB_MONITORING_ACTIVE 0
365 #define CTDB_MONITORING_DISABLED 1
367 /* The different capabilities of the ctdb daemon. */
368 #define CTDB_CAP_RECMASTER 0x00000001
369 #define CTDB_CAP_LMASTER 0x00000002
370 /* This capability is set if CTDB_LVS_PUBLIC_IP is set */
371 #define CTDB_CAP_LVS 0x00000004
372 /* This capability is set if NATGW is enabled */
373 #define CTDB_CAP_NATGW 0x00000008
375 #define NUM_DB_PRIORITIES 3
376 /* main state of the ctdb daemon */
377 struct ctdb_context {
378 struct tevent_context *ev;
379 struct timeval ctdbd_start_time;
380 struct timeval last_recovery_started;
381 struct timeval last_recovery_finished;
382 uint32_t recovery_mode;
383 TALLOC_CTX *tickle_update_context;
384 TALLOC_CTX *keepalive_ctx;
385 struct ctdb_tunable tunable;
386 enum ctdb_freeze_mode freeze_mode[NUM_DB_PRIORITIES+1];
387 struct ctdb_freeze_handle *freeze_handles[NUM_DB_PRIORITIES+1];
388 bool freeze_transaction_started;
389 uint32_t freeze_transaction_id;
390 struct ctdb_address address;
392 const char *db_directory;
393 const char *db_directory_persistent;
394 const char *db_directory_state;
395 struct tdb_wrap *db_persistent_health;
396 uint32_t db_persistent_startup_generation;
397 uint64_t db_persistent_check_errors;
398 uint64_t max_persistent_check_errors;
399 const char *transport;
400 char *recovery_lock_file;
401 int recovery_lock_fd;
402 uint32_t pnn; /* our own pnn */
404 uint32_t num_connected;
406 uint32_t capabilities;
407 struct idr_context *idr;
409 struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
410 struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
411 struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
412 struct ctdb_iface *ifaces; /* list of local interfaces */
414 const struct ctdb_methods *methods; /* transport methods */
415 const struct ctdb_upcalls *upcalls; /* transport upcalls */
416 void *private_data; /* private to transport */
417 struct ctdb_db_context *db_list;
418 struct ctdb_message_list *message_list;
419 struct ctdb_daemon_data daemon;
420 struct ctdb_statistics statistics;
421 struct ctdb_vnn_map *vnn_map;
422 uint32_t num_clients;
423 uint32_t recovery_master;
424 struct ctdb_call_state *pending_calls;
425 struct ctdb_client_ip *client_ip_list;
426 bool do_checkpublicip;
427 struct trbt_tree *server_ids;
428 const char *event_script_dir;
429 const char *notification_script;
430 const char *default_public_interface;
436 struct ctdb_monitor_state *monitor;
437 struct ctdb_log_state *log;
438 int start_as_disabled;
439 int start_as_stopped;
441 uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
442 uint32_t *recd_ping_count;
443 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
445 TALLOC_CTX *event_script_ctx;
447 struct ctdb_event_script_state *current_monitor;
448 struct ctdb_scripts_wire *last_status[CTDB_EVENT_MAX];
450 TALLOC_CTX *banning_ctx;
452 struct ctdb_vacuum_child_context *vacuumers;
454 /* mapping from pid to ctdb_client * */
455 struct ctdb_client_pid_list *client_pids;
457 /* used in the recovery daemon to remember the ip allocation */
458 struct trbt_tree *ip_tree;
461 struct ctdb_db_context {
462 struct ctdb_db_context *next, *prev;
463 struct ctdb_context *ctdb;
469 struct tdb_wrap *ltdb;
470 struct ctdb_registered_call *calls; /* list of registered calls */
472 struct timed_event *seqnum_update;
473 struct ctdb_traverse_local_handle *traverse;
474 bool transaction_active;
475 struct ctdb_vacuum_handle *vacuum_handle;
476 char *unhealthy_reason;
480 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
481 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
482 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
483 return -1; }} while (0)
485 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
486 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
487 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
490 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
491 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
492 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
493 return NULL; }} while (0)
495 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
496 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
497 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
501 structure passed in set_call control
503 struct ctdb_control_set_call {
510 struct for kill_tcp control
512 struct ctdb_control_killtcp {
513 ctdb_sock_addr src_addr;
514 ctdb_sock_addr dst_addr;
518 struct holding a ctdb_sock_addr and an interface name,
519 used to add/remove public addresses
521 struct ctdb_control_ip_iface {
529 struct holding a ctdb_sock_addr and an interface name,
530 used for send_gratious_arp
532 struct ctdb_control_gratious_arp {
540 persistent store control - update this record on all other nodes
542 struct ctdb_control_persistent_store {
549 structure used for CTDB_SRVID_NODE_FLAGS_CHANGED
551 struct ctdb_node_flag_change {
558 struct for admin setting a ban
560 struct ctdb_ban_info {
565 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
567 #define CTDB_LMASTER_ANY 0xffffffff
570 state of a in-progress ctdb call
572 struct ctdb_call_state {
573 struct ctdb_call_state *next, *prev;
574 enum call_state state;
576 struct ctdb_req_call *c;
577 struct ctdb_db_context *ctdb_db;
579 struct ctdb_call *call;
582 void (*fn)(struct ctdb_call_state *);
588 /* used for fetch_lock */
589 struct ctdb_fetch_handle {
590 struct ctdb_db_context *ctdb_db;
593 struct ctdb_ltdb_header header;
596 /* internal prototypes */
597 void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
598 void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
599 bool ctdb_same_address(struct ctdb_address *a1, struct ctdb_address *a2);
600 int ctdb_parse_address(struct ctdb_context *ctdb,
601 TALLOC_CTX *mem_ctx, const char *str,
602 struct ctdb_address *address);
603 bool ctdb_same_ip(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
604 bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
605 uint32_t ctdb_hash(const TDB_DATA *key);
606 uint32_t ctdb_hash_string(const char *str);
607 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
608 void ctdb_request_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
609 void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
610 void ctdb_reply_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
611 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
612 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
614 uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
615 int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
616 TDB_DATA key, struct ctdb_ltdb_header *header,
617 TALLOC_CTX *mem_ctx, TDB_DATA *data);
618 int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
619 struct ctdb_ltdb_header *header, TDB_DATA data);
620 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
621 struct ctdb_req_control *c,
623 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
624 struct ctdb_req_control *c,
626 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
627 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb, struct ctdb_req_header *hdr, unsigned opcode);
628 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
629 TDB_DATA key, struct ctdb_req_header *hdr,
630 void (*recv_pkt)(void *, struct ctdb_req_header *),
631 void *recv_context, bool ignore_generation);
632 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
633 TDB_DATA key, struct ctdb_ltdb_header *header,
634 struct ctdb_req_header *hdr, TDB_DATA *data,
635 void (*recv_pkt)(void *, struct ctdb_req_header *),
636 void *recv_context, bool ignore_generation);
637 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
639 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
640 struct ctdb_call *call,
641 struct ctdb_ltdb_header *header,
645 int ctdbd_start(struct ctdb_context *ctdb);
646 struct ctdb_call_state *ctdbd_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
647 int ctdbd_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
650 queue a packet for sending
652 int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
655 setup the fd used by the queue
657 int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
660 setup a packet queue on a socket
662 struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
663 TALLOC_CTX *mem_ctx, int fd, int alignment,
665 ctdb_queue_cb_fn_t callback,
666 void *private_data, const char *fmt, ...)
667 PRINTF_ATTRIBUTE(7,8);
670 allocate a packet for use in client<->daemon communication
672 struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
674 enum ctdb_operation operation,
675 size_t length, size_t slength,
677 #define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
678 (type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, sizeof(type), #type)
680 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
682 enum ctdb_operation operation,
683 size_t length, size_t slength,
685 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
686 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, sizeof(type), #type)
688 int ctdb_queue_length(struct ctdb_queue *queue);
691 lock a record in the ltdb, given a key
693 int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
696 unlock a record in the ltdb, given a key
698 int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
702 make a ctdb call to the local daemon - async send. Called from client context.
704 This constructs a ctdb_call request and queues it for processing.
705 This call never blocks.
707 struct ctdb_call_state *ctdb_client_call_send(struct ctdb_db_context *ctdb_db,
708 struct ctdb_call *call);
711 make a recv call to the local ctdb daemon - called from client context
713 This is called when the program wants to wait for a ctdb_call to complete and get the
714 results. This call will block unless the call has already completed.
716 int ctdb_client_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
718 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t vnn,
719 uint64_t srvid, TDB_DATA data);
724 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
725 uint64_t srvid, TDB_DATA data);
728 struct lockwait_handle *ctdb_lockwait(struct ctdb_db_context *ctdb_db,
730 void (*callback)(void *), void *private_data);
732 struct ctdb_call_state *ctdb_daemon_call_send(struct ctdb_db_context *ctdb_db,
733 struct ctdb_call *call);
735 int ctdb_daemon_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
737 struct ctdb_call_state *ctdb_daemon_call_send_remote(struct ctdb_db_context *ctdb_db,
738 struct ctdb_call *call,
739 struct ctdb_ltdb_header *header);
741 int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
742 struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx, TDB_DATA *data,
745 #define ctdb_reqid_find(ctdb, reqid, type) (type *)_ctdb_reqid_find(ctdb, reqid, #type, __location__)
747 void ctdb_recv_raw_pkt(void *p, uint8_t *data, uint32_t length);
749 int ctdb_socket_connect(struct ctdb_context *ctdb);
751 void ctdb_latency(struct ctdb_db_context *ctdb_db, const char *name, double *latency, struct timeval t);
752 void ctdb_reclock_latency(struct ctdb_context *ctdb, const char *name, double *latency, double l);
754 #define CTDB_BAD_REQID ((uint32_t)-1)
755 uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
756 void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
757 void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
759 void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
760 void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
762 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
763 uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
765 ctdb_control_callback_fn_t callback,
768 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
769 TDB_DATA *outdata, uint64_t tdb_flags, bool persistent);
771 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
772 ctdb_fn_t fn, int id);
774 int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
775 uint32_t opcode, uint32_t flags, TDB_DATA data,
776 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
777 struct timeval *timeout, char **errormsg);
778 int ctdb_control_recv(struct ctdb_context *ctdb,
779 struct ctdb_client_control_state *state,
781 TDB_DATA *outdata, int32_t *status, char **errormsg);
783 struct ctdb_client_control_state *
784 ctdb_control_send(struct ctdb_context *ctdb,
785 uint32_t destnode, uint64_t srvid,
786 uint32_t opcode, uint32_t flags, TDB_DATA data,
788 struct timeval *timeout,
794 #define CHECK_CONTROL_DATA_SIZE(size) do { \
795 if (indata.dsize != size) { \
796 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
797 opcode, (unsigned)indata.dsize, (unsigned)size)); \
802 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
803 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
804 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
805 int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
806 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
807 int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
810 struct ctdb_traverse_start {
817 structure used to pass record data between the child and parent
819 struct ctdb_rec_data {
828 /* structure used for pulldb control */
829 struct ctdb_control_pulldb {
834 /* structure used for sending lists of records */
835 struct ctdb_marshall_buffer {
841 /* set dmaster control structure */
842 struct ctdb_control_set_dmaster {
848 structure for setting a tunable
850 struct ctdb_control_set_tunable {
857 structure for getting a tunable
859 struct ctdb_control_get_tunable {
865 structure for listing tunables
867 struct ctdb_control_list_tunable {
869 /* returns a : separated list of tunable names */
874 struct ctdb_node_and_flagsv4 {
877 struct sockaddr_in sin;
880 struct ctdb_node_mapv4 {
882 struct ctdb_node_and_flagsv4 nodes[1];
885 struct ctdb_control_wipe_database {
887 uint32_t transaction_id;
891 state of a in-progress ctdb call in client
893 struct ctdb_client_call_state {
894 enum call_state state;
896 struct ctdb_db_context *ctdb_db;
897 struct ctdb_call *call;
899 void (*fn)(struct ctdb_client_call_state *);
905 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
906 TDB_DATA *outdata, uint32_t srcnode, uint32_t client_id);
907 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
908 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
909 int32_t ctdb_control_traverse_kill(struct ctdb_context *ctdb, TDB_DATA indata,
910 TDB_DATA *outdata, uint32_t srcnode);
912 int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
914 int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
915 int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
916 int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
918 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
919 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
921 struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
922 TDB_DATA key, struct ctdb_ltdb_header *, TDB_DATA data);
924 struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m, struct ctdb_rec_data *r,
926 struct ctdb_ltdb_header *header,
927 TDB_DATA *key, TDB_DATA *data);
929 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
930 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
931 int32_t ctdb_control_set_dmaster(struct ctdb_context *ctdb, TDB_DATA indata);
933 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
934 struct ctdb_req_control *c,
935 TDB_DATA indata, bool *async_reply,
936 const char **errormsg);
937 void ctdb_request_control_reply(struct ctdb_context *ctdb, struct ctdb_req_control *c,
938 TDB_DATA *outdata, int32_t status, const char *errormsg);
940 int32_t ctdb_control_freeze(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
941 int32_t ctdb_control_thaw(struct ctdb_context *ctdb, uint32_t priority);
943 int ctdb_start_recoverd(struct ctdb_context *ctdb);
944 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
946 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
948 void ctdb_disable_monitoring(struct ctdb_context *ctdb);
949 void ctdb_enable_monitoring(struct ctdb_context *ctdb);
950 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
951 void ctdb_start_monitoring(struct ctdb_context *ctdb);
952 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
953 void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
954 void ctdb_start_keepalive(struct ctdb_context *ctdb);
955 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
956 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA data, bool *async_reply);
959 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node);
960 void ctdb_call_resend_all(struct ctdb_context *ctdb);
961 void ctdb_node_dead(struct ctdb_node *node);
962 void ctdb_node_connected(struct ctdb_node *node);
963 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
964 void ctdb_high_priority(struct ctdb_context *ctdb);
965 void ctdb_reduce_priority(struct ctdb_context *ctdb);
966 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
967 struct ctdb_req_control *c,
970 int32_t ctdb_control_takeover_ipv4(struct ctdb_context *ctdb,
971 struct ctdb_req_control *c,
974 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
975 struct ctdb_req_control *c,
978 int32_t ctdb_control_release_ipv4(struct ctdb_context *ctdb,
979 struct ctdb_req_control *c,
982 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
983 struct ctdb_req_control *c,
985 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
986 struct ctdb_req_control *c,
989 struct ctdb_public_ipv4 {
991 struct sockaddr_in sin;
994 int ctdb_ctrl_takeover_ip(struct ctdb_context *ctdb, struct timeval timeout,
995 uint32_t destnode, struct ctdb_public_ip *ip);
996 int ctdb_ctrl_release_ip(struct ctdb_context *ctdb, struct timeval timeout,
997 uint32_t destnode, struct ctdb_public_ip *ip);
999 struct ctdb_all_public_ipsv4 {
1001 struct ctdb_public_ipv4 ips[1];
1004 int32_t ctdb_control_get_public_ipsv4(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1005 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1006 int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
1007 struct timeval timeout,
1009 TALLOC_CTX *mem_ctx,
1010 struct ctdb_all_public_ips **ips);
1011 #define CTDB_PUBLIC_IP_FLAGS_ONLY_AVAILABLE 0x00010000
1012 int ctdb_ctrl_get_public_ips_flags(struct ctdb_context *ctdb,
1013 struct timeval timeout, uint32_t destnode,
1014 TALLOC_CTX *mem_ctx,
1016 struct ctdb_all_public_ips **ips);
1017 int ctdb_ctrl_get_public_ipsv4(struct ctdb_context *ctdb,
1018 struct timeval timeout, uint32_t destnode,
1019 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1022 #define CTDB_IFACE_SIZE IFNAMSIZ
1024 #define CTDB_IFACE_SIZE 16
1027 struct ctdb_control_iface_info {
1028 char name[CTDB_IFACE_SIZE+2];
1029 uint16_t link_state;
1030 uint32_t references;
1033 struct ctdb_control_public_ip_info {
1034 struct ctdb_public_ip ip;
1035 uint32_t active_idx;
1037 struct ctdb_control_iface_info ifaces[1];
1040 struct ctdb_control_get_ifaces {
1042 struct ctdb_control_iface_info ifaces[1];
1045 int32_t ctdb_control_get_public_ip_info(struct ctdb_context *ctdb,
1046 struct ctdb_req_control *c,
1049 int32_t ctdb_control_get_ifaces(struct ctdb_context *ctdb,
1050 struct ctdb_req_control *c,
1052 int32_t ctdb_control_set_iface_link(struct ctdb_context *ctdb,
1053 struct ctdb_req_control *c,
1055 int ctdb_ctrl_get_public_ip_info(struct ctdb_context *ctdb,
1056 struct timeval timeout, uint32_t destnode,
1057 TALLOC_CTX *mem_ctx,
1058 const ctdb_sock_addr *addr,
1059 struct ctdb_control_public_ip_info **info);
1060 int ctdb_ctrl_get_ifaces(struct ctdb_context *ctdb,
1061 struct timeval timeout, uint32_t destnode,
1062 TALLOC_CTX *mem_ctx,
1063 struct ctdb_control_get_ifaces **ifaces);
1064 int ctdb_ctrl_set_iface_link(struct ctdb_context *ctdb,
1065 struct timeval timeout, uint32_t destnode,
1066 TALLOC_CTX *mem_ctx,
1067 const struct ctdb_control_iface_info *info);
1069 /* from takeover/system.c */
1070 uint32_t uint16_checksum(uint16_t *data, size_t n);
1071 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
1072 bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
1073 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
1074 const ctdb_sock_addr *src,
1075 uint32_t seq, uint32_t ack, int rst);
1077 int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
1078 int ctdb_set_single_public_ip(struct ctdb_context *ctdb,
1081 int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
1082 int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
1083 int ctdb_set_notification_script(struct ctdb_context *ctdb, const char *script);
1084 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
1086 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
1088 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata, bool tcp_update_needed);
1089 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
1090 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
1091 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1092 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
1093 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1094 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
1096 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
1097 int ctdb_event_script(struct ctdb_context *ctdb, enum ctdb_eventscript_call call);
1098 int ctdb_event_script_args(struct ctdb_context *ctdb, enum ctdb_eventscript_call call,
1099 const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
1100 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1101 TALLOC_CTX *mem_ctx,
1102 void (*callback)(struct ctdb_context *, int, void *),
1105 enum ctdb_eventscript_call call,
1106 const char *fmt, ...) PRINTF_ATTRIBUTE(7,8);
1107 void ctdb_release_all_ips(struct ctdb_context *ctdb);
1109 void set_nonblocking(int fd);
1110 void set_close_on_exec(int fd);
1112 bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
1114 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
1116 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1118 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1119 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
1120 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1121 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1122 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1124 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1126 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
1128 int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
1129 struct timeval timeout,
1131 struct ctdb_tunable *tunables);
1133 int ctdb_start_freeze(struct ctdb_context *ctdb, uint32_t priority);
1135 bool parse_ip_mask(const char *s, const char *iface, ctdb_sock_addr *addr, unsigned *mask);
1136 bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
1137 bool parse_ip(const char *s, const char *iface, unsigned port, ctdb_sock_addr *addr);
1138 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
1141 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
1142 int ctdb_sys_close_capture_socket(void *private_data);
1143 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);
1145 int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
1146 struct timeval timeout,
1148 struct ctdb_control_killtcp *killtcp);
1150 int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
1151 struct timeval timeout,
1153 struct ctdb_control_ip_iface *pub);
1155 int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
1156 struct timeval timeout,
1158 struct ctdb_control_ip_iface *pub);
1160 int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
1161 struct timeval timeout,
1163 ctdb_sock_addr *addr,
1164 const char *ifname);
1166 int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
1167 struct timeval timeout,
1169 TALLOC_CTX *mem_ctx,
1170 ctdb_sock_addr *addr,
1171 struct ctdb_control_tcp_tickle_list **list);
1174 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
1177 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
1179 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
1181 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
1183 int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
1186 int ctdb_attach_databases(struct ctdb_context *ctdb);
1188 int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
1189 struct ctdb_req_control *c,
1190 TDB_DATA recdata, bool *async_reply);
1191 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1192 struct ctdb_req_control *c, TDB_DATA recdata,
1194 int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
1195 struct ctdb_req_control *c,
1196 TDB_DATA recdata, bool *async_reply);
1198 int32_t ctdb_control_trans3_commit(struct ctdb_context *ctdb,
1199 struct ctdb_req_control *c,
1200 TDB_DATA recdata, bool *async_reply);
1202 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
1203 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
1204 int32_t ctdb_control_transaction_cancel(struct ctdb_context *ctdb);
1205 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
1206 int32_t ctdb_control_db_set_healthy(struct ctdb_context *ctdb, TDB_DATA indata);
1207 int32_t ctdb_control_db_get_health(struct ctdb_context *ctdb,
1212 int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
1213 int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
1215 void ctdb_block_signal(int signum);
1216 void ctdb_unblock_signal(int signum);
1217 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
1218 int ctdb_set_child_logging(struct ctdb_context *ctdb);
1219 void ctdb_lockdown_memory(struct ctdb_context *ctdb);
1221 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
1223 struct client_async_data {
1224 enum ctdb_controls opcode;
1225 bool dont_log_errors;
1227 uint32_t fail_count;
1228 client_async_callback callback;
1229 client_async_callback fail_callback;
1230 void *callback_data;
1232 void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
1233 int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
1234 int ctdb_client_async_control(struct ctdb_context *ctdb,
1235 enum ctdb_controls opcode,
1238 struct timeval timeout,
1239 bool dont_log_errors,
1241 client_async_callback client_callback,
1242 client_async_callback fail_callback,
1243 void *callback_data);
1245 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
1247 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
1249 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
1250 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
1252 int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
1253 struct ctdb_req_control *c);
1254 int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
1255 struct ctdb_req_control *c);
1256 int32_t ctdb_control_trans2_active(struct ctdb_context *ctdb,
1257 struct ctdb_req_control *c,
1260 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
1261 unsigned ctdb_addr_to_port(ctdb_sock_addr *addr);
1262 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
1264 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
1265 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
1267 extern int script_log_level;
1268 extern bool fast_start;
1270 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb,
1274 int ctdb_log_event_script_output(struct ctdb_context *ctdb, char *str, uint16_t len);
1275 int ctdb_ctrl_report_recd_lock_latency(struct ctdb_context *ctdb, struct timeval timeout, double latency);
1277 int32_t ctdb_control_stop_node(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1278 int32_t ctdb_control_continue_node(struct ctdb_context *ctdb);
1280 void ctdb_stop_vacuuming(struct ctdb_context *ctdb);
1281 int ctdb_vacuum_init(struct ctdb_db_context *ctdb_db);
1283 int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1284 int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1286 int32_t ctdb_local_node_got_banned(struct ctdb_context *ctdb);
1287 int32_t ctdb_control_set_ban_state(struct ctdb_context *ctdb, TDB_DATA indata);
1288 int32_t ctdb_control_get_ban_state(struct ctdb_context *ctdb, TDB_DATA *outdata);
1289 int32_t ctdb_control_set_db_priority(struct ctdb_context *ctdb, TDB_DATA indata);
1290 void ctdb_ban_self(struct ctdb_context *ctdb);
1292 int32_t ctdb_control_register_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
1294 int32_t ctdb_control_deregister_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
1296 int start_syslog_daemon(struct ctdb_context *ctdb);
1298 /* Where to send the log messages back to */
1299 struct ctdb_get_log_addr {
1305 extern int log_ringbuf_size;
1307 int32_t ctdb_control_get_log(struct ctdb_context *ctdb, TDB_DATA addr);
1308 int32_t ctdb_control_clear_log(struct ctdb_context *ctdb);
1311 struct ctdb_log_state *ctdb_fork_with_logging(TALLOC_CTX *mem_ctx,
1312 struct ctdb_context *ctdb,
1313 void (*logfn)(const char *, uint16_t, void *),
1314 void *logfn_private, pid_t *pid);
1316 int32_t ctdb_control_process_exists(struct ctdb_context *ctdb, pid_t pid);
1317 struct ctdb_client *ctdb_find_client_by_pid(struct ctdb_context *ctdb, pid_t pid);
1319 int32_t ctdb_control_get_db_seqnum(struct ctdb_context *ctdb,
1323 int ctdb_load_persistent_health(struct ctdb_context *ctdb,
1324 struct ctdb_db_context *ctdb_db);
1325 int ctdb_update_persistent_health(struct ctdb_context *ctdb,
1326 struct ctdb_db_context *ctdb_db,
1327 const char *reason,/* NULL means healthy */
1328 int num_healthy_nodes);
1329 int ctdb_recheck_persistent_health(struct ctdb_context *ctdb);
1331 void ctdb_run_notification_script(struct ctdb_context *ctdb, const char *event);
1333 void ctdb_fault_setup(void);
1335 int verify_remote_ip_allocation(struct ctdb_context *ctdb,
1336 struct ctdb_all_public_ips *ips);
1337 int update_ip_assignment_tree(struct ctdb_context *ctdb,
1338 struct ctdb_public_ip *ip);
1340 int ctdb_init_tevent_logging(struct ctdb_context *ctdb);