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 #define CTDB_UPDATE_STAT(ctdb, counter, value) \
282 if (value > ctdb->statistics.counter) { \
283 ctdb->statistics.counter = c->hopcount; \
285 if (value > ctdb->statistics_current.counter) { \
286 ctdb->statistics_current.counter = c->hopcount; \
290 #define CTDB_INCREMENT_STAT(ctdb, counter) \
292 ctdb->statistics.counter++; \
293 ctdb->statistics_current.counter++; \
296 #define CTDB_DECREMENT_STAT(ctdb, counter) \
298 if (ctdb->statistics.counter > 0) \
299 ctdb->statistics.counter--; \
300 if (ctdb->statistics_current.counter > 0) \
301 ctdb->statistics_current.counter--; \
304 #define CTDB_UPDATE_RECLOCK_LATENCY(ctdb, name, counter, value) \
306 if (value > ctdb->statistics.counter) \
307 ctdb->statistics.counter = value; \
308 if (value > ctdb->statistics_current.counter) \
309 ctdb->statistics_current.counter = value; \
311 if (ctdb->tunable.reclock_latency_ms != 0) { \
312 if (value*1000 > ctdb->tunable.reclock_latency_ms) { \
313 DEBUG(DEBUG_ERR, ("High RECLOCK latency %fs for operation %s\n", value, name)); \
319 #define CTDB_UPDATE_LATENCY(ctdb, db, operation, counter, t) \
321 double l = timeval_elapsed(&t); \
322 if (l > ctdb->statistics.counter) \
323 ctdb->statistics.counter = l; \
324 if (l > ctdb->statistics_current.counter) \
325 ctdb->statistics_current.counter = l; \
327 if (ctdb->tunable.log_latency_ms !=0) { \
328 if (l*1000 > ctdb->tunable.log_latency_ms) { \
329 DEBUG(DEBUG_WARNING, ("High latency %.6fs for operation %s on database %s\n", l, operation, db->db_name));\
338 ctdb statistics information
340 struct ctdb_statistics {
341 uint32_t num_clients;
344 uint32_t client_packets_sent;
345 uint32_t client_packets_recv;
346 uint32_t node_packets_sent;
347 uint32_t node_packets_recv;
348 uint32_t keepalive_packets_sent;
349 uint32_t keepalive_packets_recv;
353 uint32_t req_dmaster;
354 uint32_t reply_dmaster;
355 uint32_t reply_error;
356 uint32_t req_message;
357 uint32_t req_control;
358 uint32_t reply_control;
362 uint32_t req_message;
363 uint32_t req_control;
374 uint32_t total_calls;
375 uint32_t pending_calls;
376 uint32_t lockwait_calls;
377 uint32_t pending_lockwait_calls;
378 uint32_t childwrite_calls;
379 uint32_t pending_childwrite_calls;
380 uint32_t memory_used;
381 uint32_t __last_counter; /* hack for control_statistics_all */
382 uint32_t max_hop_count;
383 double max_call_latency;
384 double max_lockwait_latency;
385 double max_childwrite_latency;
386 uint32_t num_recoveries;
387 struct timeval statistics_start_time;
388 struct timeval statistics_current_time;
392 #define INVALID_GENERATION 1
393 /* table that contains the mapping between a hash value and lmaster
395 struct ctdb_vnn_map {
402 a wire representation of the vnn map
404 struct ctdb_vnn_map_wire {
410 /* a structure that contains the elements required for the write record
413 struct ctdb_write_record {
417 unsigned char blob[1];
420 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
422 #define CTDB_MONITORING_ACTIVE 0
423 #define CTDB_MONITORING_DISABLED 1
425 /* The different capabilities of the ctdb daemon. */
426 #define CTDB_CAP_RECMASTER 0x00000001
427 #define CTDB_CAP_LMASTER 0x00000002
428 /* This capability is set if CTDB_LVS_PUBLIC_IP is set */
429 #define CTDB_CAP_LVS 0x00000004
430 /* This capability is set if NATGW is enabled */
431 #define CTDB_CAP_NATGW 0x00000008
433 #define NUM_DB_PRIORITIES 3
434 /* main state of the ctdb daemon */
435 struct ctdb_context {
436 struct tevent_context *ev;
437 struct timeval ctdbd_start_time;
438 struct timeval last_recovery_started;
439 struct timeval last_recovery_finished;
440 uint32_t recovery_mode;
441 TALLOC_CTX *tickle_update_context;
442 TALLOC_CTX *keepalive_ctx;
443 struct ctdb_tunable tunable;
444 enum ctdb_freeze_mode freeze_mode[NUM_DB_PRIORITIES+1];
445 struct ctdb_freeze_handle *freeze_handles[NUM_DB_PRIORITIES+1];
446 bool freeze_transaction_started;
447 uint32_t freeze_transaction_id;
448 struct ctdb_address address;
450 const char *db_directory;
451 const char *db_directory_persistent;
452 const char *db_directory_state;
453 struct tdb_wrap *db_persistent_health;
454 uint32_t db_persistent_startup_generation;
455 uint64_t db_persistent_check_errors;
456 uint64_t max_persistent_check_errors;
457 const char *transport;
458 char *recovery_lock_file;
459 int recovery_lock_fd;
460 uint32_t pnn; /* our own pnn */
462 uint32_t num_connected;
464 uint32_t capabilities;
465 struct idr_context *idr;
467 struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
468 struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
469 struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
470 struct ctdb_iface *ifaces; /* list of local interfaces */
472 const struct ctdb_methods *methods; /* transport methods */
473 const struct ctdb_upcalls *upcalls; /* transport upcalls */
474 void *private_data; /* private to transport */
475 struct ctdb_db_context *db_list;
476 struct ctdb_message_list *message_list;
477 struct ctdb_daemon_data daemon;
478 struct ctdb_statistics statistics;
479 struct ctdb_statistics statistics_current;
480 struct ctdb_vnn_map *vnn_map;
481 uint32_t num_clients;
482 uint32_t recovery_master;
483 struct ctdb_call_state *pending_calls;
484 struct ctdb_client_ip *client_ip_list;
485 bool do_checkpublicip;
486 struct trbt_tree *server_ids;
487 const char *event_script_dir;
488 const char *notification_script;
489 const char *default_public_interface;
495 struct ctdb_monitor_state *monitor;
496 struct ctdb_log_state *log;
497 int start_as_disabled;
498 int start_as_stopped;
500 uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
501 uint32_t *recd_ping_count;
502 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
504 TALLOC_CTX *event_script_ctx;
506 struct ctdb_event_script_state *current_monitor;
507 struct ctdb_scripts_wire *last_status[CTDB_EVENT_MAX];
509 TALLOC_CTX *banning_ctx;
511 struct ctdb_vacuum_child_context *vacuumers;
513 /* mapping from pid to ctdb_client * */
514 struct ctdb_client_pid_list *client_pids;
516 /* used in the recovery daemon to remember the ip allocation */
517 struct trbt_tree *ip_tree;
520 struct ctdb_db_context {
521 struct ctdb_db_context *next, *prev;
522 struct ctdb_context *ctdb;
528 struct tdb_wrap *ltdb;
529 struct ctdb_registered_call *calls; /* list of registered calls */
531 struct timed_event *seqnum_update;
532 struct ctdb_traverse_local_handle *traverse;
533 bool transaction_active;
534 struct ctdb_vacuum_handle *vacuum_handle;
535 char *unhealthy_reason;
539 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
540 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
541 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
542 return -1; }} while (0)
544 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
545 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
546 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
549 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
550 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
551 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
552 return NULL; }} while (0)
554 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
555 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
556 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
560 structure passed in set_call control
562 struct ctdb_control_set_call {
569 struct for kill_tcp control
571 struct ctdb_control_killtcp {
572 ctdb_sock_addr src_addr;
573 ctdb_sock_addr dst_addr;
577 struct holding a ctdb_sock_addr and an interface name,
578 used to add/remove public addresses
580 struct ctdb_control_ip_iface {
588 struct holding a ctdb_sock_addr and an interface name,
589 used for send_gratious_arp
591 struct ctdb_control_gratious_arp {
599 persistent store control - update this record on all other nodes
601 struct ctdb_control_persistent_store {
608 structure used for CTDB_SRVID_NODE_FLAGS_CHANGED
610 struct ctdb_node_flag_change {
617 struct for admin setting a ban
619 struct ctdb_ban_info {
624 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
626 #define CTDB_LMASTER_ANY 0xffffffff
629 state of a in-progress ctdb call
631 struct ctdb_call_state {
632 struct ctdb_call_state *next, *prev;
633 enum call_state state;
635 struct ctdb_req_call *c;
636 struct ctdb_db_context *ctdb_db;
638 struct ctdb_call *call;
641 void (*fn)(struct ctdb_call_state *);
647 /* used for fetch_lock */
648 struct ctdb_fetch_handle {
649 struct ctdb_db_context *ctdb_db;
652 struct ctdb_ltdb_header header;
655 /* internal prototypes */
656 void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
657 void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
658 bool ctdb_same_address(struct ctdb_address *a1, struct ctdb_address *a2);
659 int ctdb_parse_address(struct ctdb_context *ctdb,
660 TALLOC_CTX *mem_ctx, const char *str,
661 struct ctdb_address *address);
662 bool ctdb_same_ip(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
663 bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
664 uint32_t ctdb_hash(const TDB_DATA *key);
665 uint32_t ctdb_hash_string(const char *str);
666 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
667 void ctdb_request_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
668 void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
669 void ctdb_reply_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
670 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
671 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
673 uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
674 int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
675 TDB_DATA key, struct ctdb_ltdb_header *header,
676 TALLOC_CTX *mem_ctx, TDB_DATA *data);
677 int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
678 struct ctdb_ltdb_header *header, TDB_DATA data);
679 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
680 struct ctdb_req_control *c,
682 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
683 struct ctdb_req_control *c,
685 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
686 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb, struct ctdb_req_header *hdr, unsigned opcode);
687 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
688 TDB_DATA key, struct ctdb_req_header *hdr,
689 void (*recv_pkt)(void *, struct ctdb_req_header *),
690 void *recv_context, bool ignore_generation);
691 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
692 TDB_DATA key, struct ctdb_ltdb_header *header,
693 struct ctdb_req_header *hdr, TDB_DATA *data,
694 void (*recv_pkt)(void *, struct ctdb_req_header *),
695 void *recv_context, bool ignore_generation);
696 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
698 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
699 struct ctdb_call *call,
700 struct ctdb_ltdb_header *header,
704 int ctdbd_start(struct ctdb_context *ctdb);
705 struct ctdb_call_state *ctdbd_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
706 int ctdbd_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
709 queue a packet for sending
711 int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
714 setup the fd used by the queue
716 int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
719 setup a packet queue on a socket
721 struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
722 TALLOC_CTX *mem_ctx, int fd, int alignment,
724 ctdb_queue_cb_fn_t callback,
725 void *private_data, const char *fmt, ...)
726 PRINTF_ATTRIBUTE(7,8);
729 allocate a packet for use in client<->daemon communication
731 struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
733 enum ctdb_operation operation,
734 size_t length, size_t slength,
736 #define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
737 (type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, sizeof(type), #type)
739 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
741 enum ctdb_operation operation,
742 size_t length, size_t slength,
744 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
745 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, sizeof(type), #type)
747 int ctdb_queue_length(struct ctdb_queue *queue);
750 lock a record in the ltdb, given a key
752 int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
755 unlock a record in the ltdb, given a key
757 int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
761 make a ctdb call to the local daemon - async send. Called from client context.
763 This constructs a ctdb_call request and queues it for processing.
764 This call never blocks.
766 struct ctdb_call_state *ctdb_client_call_send(struct ctdb_db_context *ctdb_db,
767 struct ctdb_call *call);
770 make a recv call to the local ctdb daemon - called from client context
772 This is called when the program wants to wait for a ctdb_call to complete and get the
773 results. This call will block unless the call has already completed.
775 int ctdb_client_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
777 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t vnn,
778 uint64_t srvid, TDB_DATA data);
783 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
784 uint64_t srvid, TDB_DATA data);
787 struct lockwait_handle *ctdb_lockwait(struct ctdb_db_context *ctdb_db,
789 void (*callback)(void *), void *private_data);
791 struct ctdb_call_state *ctdb_daemon_call_send(struct ctdb_db_context *ctdb_db,
792 struct ctdb_call *call);
794 int ctdb_daemon_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
796 struct ctdb_call_state *ctdb_daemon_call_send_remote(struct ctdb_db_context *ctdb_db,
797 struct ctdb_call *call,
798 struct ctdb_ltdb_header *header);
800 int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
801 struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx, TDB_DATA *data,
804 #define ctdb_reqid_find(ctdb, reqid, type) (type *)_ctdb_reqid_find(ctdb, reqid, #type, __location__)
806 void ctdb_recv_raw_pkt(void *p, uint8_t *data, uint32_t length);
808 int ctdb_socket_connect(struct ctdb_context *ctdb);
810 #define CTDB_BAD_REQID ((uint32_t)-1)
811 uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
812 void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
813 void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
815 void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
816 void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
818 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
819 uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
821 ctdb_control_callback_fn_t callback,
824 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
825 TDB_DATA *outdata, uint64_t tdb_flags, bool persistent);
827 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
828 ctdb_fn_t fn, int id);
830 int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
831 uint32_t opcode, uint32_t flags, TDB_DATA data,
832 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
833 struct timeval *timeout, char **errormsg);
834 int ctdb_control_recv(struct ctdb_context *ctdb,
835 struct ctdb_client_control_state *state,
837 TDB_DATA *outdata, int32_t *status, char **errormsg);
839 struct ctdb_client_control_state *
840 ctdb_control_send(struct ctdb_context *ctdb,
841 uint32_t destnode, uint64_t srvid,
842 uint32_t opcode, uint32_t flags, TDB_DATA data,
844 struct timeval *timeout,
850 #define CHECK_CONTROL_DATA_SIZE(size) do { \
851 if (indata.dsize != size) { \
852 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
853 opcode, (unsigned)indata.dsize, (unsigned)size)); \
858 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
859 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
860 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
861 int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
862 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
863 int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
866 struct ctdb_traverse_start {
873 structure used to pass record data between the child and parent
875 struct ctdb_rec_data {
884 /* structure used for pulldb control */
885 struct ctdb_control_pulldb {
890 /* structure used for sending lists of records */
891 struct ctdb_marshall_buffer {
897 /* set dmaster control structure */
898 struct ctdb_control_set_dmaster {
904 structure for setting a tunable
906 struct ctdb_control_set_tunable {
913 structure for getting a tunable
915 struct ctdb_control_get_tunable {
921 structure for listing tunables
923 struct ctdb_control_list_tunable {
925 /* returns a : separated list of tunable names */
930 struct ctdb_node_and_flagsv4 {
933 struct sockaddr_in sin;
936 struct ctdb_node_mapv4 {
938 struct ctdb_node_and_flagsv4 nodes[1];
941 struct ctdb_control_wipe_database {
943 uint32_t transaction_id;
947 state of a in-progress ctdb call in client
949 struct ctdb_client_call_state {
950 enum call_state state;
952 struct ctdb_db_context *ctdb_db;
953 struct ctdb_call *call;
955 void (*fn)(struct ctdb_client_call_state *);
961 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
962 TDB_DATA *outdata, uint32_t srcnode, uint32_t client_id);
963 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
964 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
965 int32_t ctdb_control_traverse_kill(struct ctdb_context *ctdb, TDB_DATA indata,
966 TDB_DATA *outdata, uint32_t srcnode);
968 int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
970 int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
971 int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
972 int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
974 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
975 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
977 struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
978 TDB_DATA key, struct ctdb_ltdb_header *, TDB_DATA data);
980 struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m, struct ctdb_rec_data *r,
982 struct ctdb_ltdb_header *header,
983 TDB_DATA *key, TDB_DATA *data);
985 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
986 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
987 int32_t ctdb_control_set_dmaster(struct ctdb_context *ctdb, TDB_DATA indata);
989 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
990 struct ctdb_req_control *c,
991 TDB_DATA indata, bool *async_reply,
992 const char **errormsg);
993 void ctdb_request_control_reply(struct ctdb_context *ctdb, struct ctdb_req_control *c,
994 TDB_DATA *outdata, int32_t status, const char *errormsg);
996 int32_t ctdb_control_freeze(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
997 int32_t ctdb_control_thaw(struct ctdb_context *ctdb, uint32_t priority);
999 int ctdb_start_recoverd(struct ctdb_context *ctdb);
1000 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
1002 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
1004 void ctdb_disable_monitoring(struct ctdb_context *ctdb);
1005 void ctdb_enable_monitoring(struct ctdb_context *ctdb);
1006 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
1007 void ctdb_start_monitoring(struct ctdb_context *ctdb);
1008 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
1009 void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
1010 void ctdb_start_keepalive(struct ctdb_context *ctdb);
1011 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
1012 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA data, bool *async_reply);
1015 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node);
1016 void ctdb_call_resend_all(struct ctdb_context *ctdb);
1017 void ctdb_node_dead(struct ctdb_node *node);
1018 void ctdb_node_connected(struct ctdb_node *node);
1019 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
1020 void ctdb_high_priority(struct ctdb_context *ctdb);
1021 void ctdb_reduce_priority(struct ctdb_context *ctdb);
1022 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
1023 struct ctdb_req_control *c,
1026 int32_t ctdb_control_takeover_ipv4(struct ctdb_context *ctdb,
1027 struct ctdb_req_control *c,
1030 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
1031 struct ctdb_req_control *c,
1034 int32_t ctdb_control_release_ipv4(struct ctdb_context *ctdb,
1035 struct ctdb_req_control *c,
1038 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
1039 struct ctdb_req_control *c,
1041 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
1042 struct ctdb_req_control *c,
1045 struct ctdb_public_ipv4 {
1047 struct sockaddr_in sin;
1050 int ctdb_ctrl_takeover_ip(struct ctdb_context *ctdb, struct timeval timeout,
1051 uint32_t destnode, struct ctdb_public_ip *ip);
1052 int ctdb_ctrl_release_ip(struct ctdb_context *ctdb, struct timeval timeout,
1053 uint32_t destnode, struct ctdb_public_ip *ip);
1055 struct ctdb_all_public_ipsv4 {
1057 struct ctdb_public_ipv4 ips[1];
1060 int32_t ctdb_control_get_public_ipsv4(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1061 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1062 int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
1063 struct timeval timeout,
1065 TALLOC_CTX *mem_ctx,
1066 struct ctdb_all_public_ips **ips);
1067 #define CTDB_PUBLIC_IP_FLAGS_ONLY_AVAILABLE 0x00010000
1068 int ctdb_ctrl_get_public_ips_flags(struct ctdb_context *ctdb,
1069 struct timeval timeout, uint32_t destnode,
1070 TALLOC_CTX *mem_ctx,
1072 struct ctdb_all_public_ips **ips);
1073 int ctdb_ctrl_get_public_ipsv4(struct ctdb_context *ctdb,
1074 struct timeval timeout, uint32_t destnode,
1075 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1078 #define CTDB_IFACE_SIZE IFNAMSIZ
1080 #define CTDB_IFACE_SIZE 16
1083 struct ctdb_control_iface_info {
1084 char name[CTDB_IFACE_SIZE+2];
1085 uint16_t link_state;
1086 uint32_t references;
1089 struct ctdb_control_public_ip_info {
1090 struct ctdb_public_ip ip;
1091 uint32_t active_idx;
1093 struct ctdb_control_iface_info ifaces[1];
1096 struct ctdb_control_get_ifaces {
1098 struct ctdb_control_iface_info ifaces[1];
1101 int32_t ctdb_control_get_public_ip_info(struct ctdb_context *ctdb,
1102 struct ctdb_req_control *c,
1105 int32_t ctdb_control_get_ifaces(struct ctdb_context *ctdb,
1106 struct ctdb_req_control *c,
1108 int32_t ctdb_control_set_iface_link(struct ctdb_context *ctdb,
1109 struct ctdb_req_control *c,
1111 int ctdb_ctrl_get_public_ip_info(struct ctdb_context *ctdb,
1112 struct timeval timeout, uint32_t destnode,
1113 TALLOC_CTX *mem_ctx,
1114 const ctdb_sock_addr *addr,
1115 struct ctdb_control_public_ip_info **info);
1116 int ctdb_ctrl_get_ifaces(struct ctdb_context *ctdb,
1117 struct timeval timeout, uint32_t destnode,
1118 TALLOC_CTX *mem_ctx,
1119 struct ctdb_control_get_ifaces **ifaces);
1120 int ctdb_ctrl_set_iface_link(struct ctdb_context *ctdb,
1121 struct timeval timeout, uint32_t destnode,
1122 TALLOC_CTX *mem_ctx,
1123 const struct ctdb_control_iface_info *info);
1125 /* from takeover/system.c */
1126 uint32_t uint16_checksum(uint16_t *data, size_t n);
1127 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
1128 bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
1129 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
1130 const ctdb_sock_addr *src,
1131 uint32_t seq, uint32_t ack, int rst);
1133 int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
1134 int ctdb_set_single_public_ip(struct ctdb_context *ctdb,
1137 int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
1138 int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
1139 int ctdb_set_notification_script(struct ctdb_context *ctdb, const char *script);
1140 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
1142 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
1144 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata, bool tcp_update_needed);
1145 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
1146 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
1147 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1148 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
1149 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1150 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
1152 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
1153 int ctdb_event_script(struct ctdb_context *ctdb, enum ctdb_eventscript_call call);
1154 int ctdb_event_script_args(struct ctdb_context *ctdb, enum ctdb_eventscript_call call,
1155 const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
1156 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1157 TALLOC_CTX *mem_ctx,
1158 void (*callback)(struct ctdb_context *, int, void *),
1161 enum ctdb_eventscript_call call,
1162 const char *fmt, ...) PRINTF_ATTRIBUTE(7,8);
1163 void ctdb_release_all_ips(struct ctdb_context *ctdb);
1165 void set_nonblocking(int fd);
1166 void set_close_on_exec(int fd);
1168 bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
1170 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
1172 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1174 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1175 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
1176 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1177 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1178 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1180 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1182 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
1184 int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
1185 struct timeval timeout,
1187 struct ctdb_tunable *tunables);
1189 int ctdb_start_freeze(struct ctdb_context *ctdb, uint32_t priority);
1191 bool parse_ip_mask(const char *s, const char *iface, ctdb_sock_addr *addr, unsigned *mask);
1192 bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
1193 bool parse_ip(const char *s, const char *iface, unsigned port, ctdb_sock_addr *addr);
1194 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
1197 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
1198 int ctdb_sys_close_capture_socket(void *private_data);
1199 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);
1201 int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
1202 struct timeval timeout,
1204 struct ctdb_control_killtcp *killtcp);
1206 int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
1207 struct timeval timeout,
1209 struct ctdb_control_ip_iface *pub);
1211 int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
1212 struct timeval timeout,
1214 struct ctdb_control_ip_iface *pub);
1216 int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
1217 struct timeval timeout,
1219 ctdb_sock_addr *addr,
1220 const char *ifname);
1222 int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
1223 struct timeval timeout,
1225 TALLOC_CTX *mem_ctx,
1226 ctdb_sock_addr *addr,
1227 struct ctdb_control_tcp_tickle_list **list);
1230 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
1233 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
1235 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
1237 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
1239 int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
1242 int ctdb_attach_databases(struct ctdb_context *ctdb);
1244 int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
1245 struct ctdb_req_control *c,
1246 TDB_DATA recdata, bool *async_reply);
1247 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1248 struct ctdb_req_control *c, TDB_DATA recdata,
1250 int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
1251 struct ctdb_req_control *c,
1252 TDB_DATA recdata, bool *async_reply);
1254 int32_t ctdb_control_trans3_commit(struct ctdb_context *ctdb,
1255 struct ctdb_req_control *c,
1256 TDB_DATA recdata, bool *async_reply);
1258 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
1259 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
1260 int32_t ctdb_control_transaction_cancel(struct ctdb_context *ctdb);
1261 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
1262 int32_t ctdb_control_db_set_healthy(struct ctdb_context *ctdb, TDB_DATA indata);
1263 int32_t ctdb_control_db_get_health(struct ctdb_context *ctdb,
1268 int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
1269 int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
1271 void ctdb_block_signal(int signum);
1272 void ctdb_unblock_signal(int signum);
1273 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
1274 int ctdb_set_child_logging(struct ctdb_context *ctdb);
1275 void ctdb_lockdown_memory(struct ctdb_context *ctdb);
1277 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
1279 struct client_async_data {
1280 enum ctdb_controls opcode;
1281 bool dont_log_errors;
1283 uint32_t fail_count;
1284 client_async_callback callback;
1285 client_async_callback fail_callback;
1286 void *callback_data;
1288 void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
1289 int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
1290 int ctdb_client_async_control(struct ctdb_context *ctdb,
1291 enum ctdb_controls opcode,
1294 struct timeval timeout,
1295 bool dont_log_errors,
1297 client_async_callback client_callback,
1298 client_async_callback fail_callback,
1299 void *callback_data);
1301 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
1303 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
1305 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
1306 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
1308 int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
1309 struct ctdb_req_control *c);
1310 int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
1311 struct ctdb_req_control *c);
1312 int32_t ctdb_control_trans2_active(struct ctdb_context *ctdb,
1313 struct ctdb_req_control *c,
1316 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
1317 unsigned ctdb_addr_to_port(ctdb_sock_addr *addr);
1318 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
1320 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
1321 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
1323 extern int script_log_level;
1324 extern bool fast_start;
1326 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb,
1330 int ctdb_log_event_script_output(struct ctdb_context *ctdb, char *str, uint16_t len);
1331 int ctdb_ctrl_report_recd_lock_latency(struct ctdb_context *ctdb, struct timeval timeout, double latency);
1333 int32_t ctdb_control_stop_node(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1334 int32_t ctdb_control_continue_node(struct ctdb_context *ctdb);
1336 void ctdb_stop_vacuuming(struct ctdb_context *ctdb);
1337 int ctdb_vacuum_init(struct ctdb_db_context *ctdb_db);
1339 int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1340 int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1342 int32_t ctdb_control_set_ban_state(struct ctdb_context *ctdb, TDB_DATA indata);
1343 int32_t ctdb_control_get_ban_state(struct ctdb_context *ctdb, TDB_DATA *outdata);
1344 int32_t ctdb_control_set_db_priority(struct ctdb_context *ctdb, TDB_DATA indata);
1345 void ctdb_ban_self(struct ctdb_context *ctdb);
1347 int32_t ctdb_control_register_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
1349 int32_t ctdb_control_deregister_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
1351 int start_syslog_daemon(struct ctdb_context *ctdb);
1353 /* Where to send the log messages back to */
1354 struct ctdb_get_log_addr {
1360 extern int log_ringbuf_size;
1362 int32_t ctdb_control_get_log(struct ctdb_context *ctdb, TDB_DATA addr);
1363 int32_t ctdb_control_clear_log(struct ctdb_context *ctdb);
1366 struct ctdb_log_state *ctdb_fork_with_logging(TALLOC_CTX *mem_ctx,
1367 struct ctdb_context *ctdb,
1368 void (*logfn)(const char *, uint16_t, void *),
1369 void *logfn_private, pid_t *pid);
1371 int32_t ctdb_control_process_exists(struct ctdb_context *ctdb, pid_t pid);
1372 struct ctdb_client *ctdb_find_client_by_pid(struct ctdb_context *ctdb, pid_t pid);
1374 int32_t ctdb_control_get_db_seqnum(struct ctdb_context *ctdb,
1378 int ctdb_load_persistent_health(struct ctdb_context *ctdb,
1379 struct ctdb_db_context *ctdb_db);
1380 int ctdb_update_persistent_health(struct ctdb_context *ctdb,
1381 struct ctdb_db_context *ctdb_db,
1382 const char *reason,/* NULL means healthy */
1383 int num_healthy_nodes);
1384 int ctdb_recheck_persistent_health(struct ctdb_context *ctdb);
1386 void ctdb_run_notification_script(struct ctdb_context *ctdb, const char *event);
1388 void ctdb_fault_setup(void);
1390 int verify_remote_ip_allocation(struct ctdb_context *ctdb,
1391 struct ctdb_all_public_ips *ips);
1392 int update_ip_assignment_tree(struct ctdb_context *ctdb,
1393 struct ctdb_public_ip *ip);
1395 int ctdb_init_tevent_logging(struct ctdb_context *ctdb);
1397 int ctdb_update_stat_counter(struct ctdb_context *ctdb, uint32_t *counter, uint32_t value);