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
24 #include <sys/socket.h>
26 /* location of daemon socket */
27 #define CTDB_PATH "/tmp/ctdb.socket"
29 /* default ctdb port number */
30 #define CTDB_PORT 4379
32 /* we must align packets to ensure ctdb works on all architectures (eg. sparc) */
33 #define CTDB_DS_ALIGNMENT 8
36 #define CTDB_NULL_FUNC 0xFF000001
37 #define CTDB_FETCH_FUNC 0xFF000002
41 recovery daemon memdump reply address
43 struct rd_memdump_reply {
49 a tcp connection description
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_frequency;
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_ban_count; /* ban after this many consec timeouts*/
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 disable_when_unhealthy;
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;
111 an installed ctdb remote call
113 struct ctdb_registered_call {
114 struct ctdb_registered_call *next, *prev;
120 this address structure might need to be generalised later for some
123 struct ctdb_address {
129 check that a pnn is valid
131 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
134 /* called from the queue code when a packet comes in. Called with data==NULL
136 typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
139 /* used for callbacks in ctdb_control requests */
140 typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
141 int32_t status, TDB_DATA data,
142 const char *errormsg,
146 structure describing a connected client in the daemon
149 struct ctdb_context *ctdb;
151 struct ctdb_queue *queue;
154 struct ctdb_tcp_list *tcp_list;
155 uint32_t num_persistent_updates;
159 /* state associated with a public ip address */
161 struct ctdb_vnn *prev, *next;
164 ctdb_sock_addr public_address;
165 uint8_t public_netmask_bits;
167 /* the node number that is serving this public address, if any.
168 If no node serves this ip it is set to -1 */
171 /* List of clients to tickle for this public address */
172 struct ctdb_tcp_array *tcp_array;
174 /* whether we need to update the other nodes with changes to our list
175 of connected clients */
176 bool tcp_update_needed;
178 /* a context to hang sending gratious arp events off */
179 TALLOC_CTX *takeover_ctx;
181 struct ctdb_kill_tcp *killtcp;
185 state associated with one node
188 struct ctdb_context *ctdb;
189 struct ctdb_address address;
190 const char *name; /* for debug messages */
191 void *private_data; /* private to transport */
193 #define NODE_FLAGS_DISCONNECTED 0x00000001 /* node isn't connected */
194 #define NODE_FLAGS_UNHEALTHY 0x00000002 /* monitoring says node is unhealthy */
195 #define NODE_FLAGS_PERMANENTLY_DISABLED 0x00000004 /* administrator has disabled node */
196 #define NODE_FLAGS_BANNED 0x00000008 /* recovery daemon has banned the node */
197 #define NODE_FLAGS_DISABLED (NODE_FLAGS_UNHEALTHY|NODE_FLAGS_PERMANENTLY_DISABLED)
198 #define NODE_FLAGS_INACTIVE (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_BANNED)
201 /* used by the dead node monitoring */
206 /* used to track node capabilities, is only valid/tracked inside the
209 uint32_t capabilities;
211 /* a list of controls pending to this node, so we can time them out quickly
212 if the node becomes disconnected */
213 struct daemon_control_state *pending_controls;
215 /* used by the recovery daemon when distributing ip addresses
216 across the nodes. it needs to know which public ip's can be handled
219 struct ctdb_all_public_ips *public_ips;
223 transport specific methods
225 struct ctdb_methods {
226 int (*initialise)(struct ctdb_context *); /* initialise transport structures */
227 int (*start)(struct ctdb_context *); /* start the transport */
228 int (*add_node)(struct ctdb_node *); /* setup a new node */
229 int (*connect_node)(struct ctdb_node *); /* connect to node */
230 int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
231 void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
232 void (*shutdown)(struct ctdb_context *); /* shutdown transport */
233 void (*restart)(struct ctdb_node *); /* stop and restart the connection */
237 transport calls up to the ctdb layer
239 struct ctdb_upcalls {
240 /* recv_pkt is called when a packet comes in */
241 void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
243 /* node_dead is called when an attempt to send to a node fails */
244 void (*node_dead)(struct ctdb_node *);
246 /* node_connected is called when a connection to a node is established */
247 void (*node_connected)(struct ctdb_node *);
250 /* list of message handlers - needs to be changed to a more efficient data
251 structure so we can find a message handler given a srvid quickly */
252 struct ctdb_message_list {
253 struct ctdb_context *ctdb;
254 struct ctdb_message_list *next, *prev;
256 ctdb_message_fn_t message_handler;
257 void *message_private;
260 /* additional data required for the daemon mode */
261 struct ctdb_daemon_data {
264 struct ctdb_queue *queue;
268 ctdb status information
270 struct ctdb_statistics {
271 uint32_t num_clients;
274 uint32_t client_packets_sent;
275 uint32_t client_packets_recv;
276 uint32_t node_packets_sent;
277 uint32_t node_packets_recv;
278 uint32_t keepalive_packets_sent;
279 uint32_t keepalive_packets_recv;
283 uint32_t req_dmaster;
284 uint32_t reply_dmaster;
285 uint32_t reply_error;
286 uint32_t req_message;
287 uint32_t req_control;
288 uint32_t reply_control;
292 uint32_t req_message;
293 uint32_t req_control;
300 uint32_t total_calls;
301 uint32_t pending_calls;
302 uint32_t lockwait_calls;
303 uint32_t pending_lockwait_calls;
304 uint32_t childwrite_calls;
305 uint32_t pending_childwrite_calls;
306 uint32_t memory_used;
307 uint32_t __last_counter; /* hack for control_statistics_all */
308 uint32_t max_hop_count;
309 double max_call_latency;
310 double max_lockwait_latency;
311 double max_childwrite_latency;
315 #define INVALID_GENERATION 1
316 /* table that contains the mapping between a hash value and lmaster
318 struct ctdb_vnn_map {
325 a wire representation of the vnn map
327 struct ctdb_vnn_map_wire {
333 /* a structure that contains the elements required for the write record
336 struct ctdb_write_record {
340 unsigned char blob[1];
343 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
345 #define CTDB_MONITORING_ACTIVE 0
346 #define CTDB_MONITORING_DISABLED 1
348 /* The different capabilities of the ctdb daemon. */
349 #define CTDB_CAP_RECMASTER 0x00000001
350 #define CTDB_CAP_LMASTER 0x00000002
351 /* This capability is set if CTDB_LVS_PUBLIC_IP is set */
352 #define CTDB_CAP_LVS 0x00000004
354 /* main state of the ctdb daemon */
355 struct ctdb_context {
356 struct event_context *ev;
357 struct timeval ctdbd_start_time;
358 struct timeval last_recovery_started;
359 struct timeval last_recovery_finished;
360 uint32_t recovery_mode;
361 TALLOC_CTX *tickle_update_context;
362 TALLOC_CTX *keepalive_ctx;
363 struct ctdb_tunable tunable;
364 enum ctdb_freeze_mode freeze_mode;
365 struct ctdb_freeze_handle *freeze_handle;
366 struct ctdb_address address;
368 const char *db_directory;
369 const char *db_directory_persistent;
370 const char *transport;
372 char *node_list_file;
373 char *recovery_lock_file;
374 int recovery_lock_fd;
375 uint32_t pnn; /* our own pnn */
377 uint32_t num_connected;
379 uint32_t capabilities;
380 struct idr_context *idr;
382 struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
383 struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
384 struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
386 const struct ctdb_methods *methods; /* transport methods */
387 const struct ctdb_upcalls *upcalls; /* transport upcalls */
388 void *private_data; /* private to transport */
389 struct ctdb_db_context *db_list;
390 struct ctdb_message_list *message_list;
391 struct ctdb_daemon_data daemon;
392 struct ctdb_statistics statistics;
393 struct ctdb_vnn_map *vnn_map;
394 uint32_t num_clients;
395 uint32_t recovery_master;
396 struct ctdb_call_state *pending_calls;
397 struct ctdb_client_ip *client_ip_list;
399 bool do_checkpublicip;
400 void *saved_scheduler_param;
401 struct _trbt_tree_t *server_ids;
402 const char *event_script_dir;
403 const char *default_public_interface;
408 struct ctdb_monitor_state *monitor;
409 struct ctdb_log_state *log;
410 int start_as_disabled;
411 uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
412 TALLOC_CTX *eventscripts_ctx; /* a context to hold data for the RUN_EVENTSCRIPTS control */
413 uint32_t *recd_ping_count;
414 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
415 TALLOC_CTX *script_monitoring_ctx; /* a context where we store results while running the monitor event */
416 TALLOC_CTX *last_monitoring_ctx;
419 struct ctdb_db_context {
420 struct ctdb_db_context *next, *prev;
421 struct ctdb_context *ctdb;
426 struct tdb_wrap *ltdb;
427 struct ctdb_registered_call *calls; /* list of registered calls */
429 struct timed_event *te;
433 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
434 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
435 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
436 return -1; }} while (0)
438 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
439 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
440 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
443 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
444 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
445 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
446 return NULL; }} while (0)
448 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
449 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
450 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
454 the extended header for records in the ltdb
456 struct ctdb_ltdb_header {
463 enum ctdb_controls {CTDB_CONTROL_PROCESS_EXISTS = 0,
464 CTDB_CONTROL_STATISTICS = 1,
466 CTDB_CONTROL_PING = 3,
467 CTDB_CONTROL_GETDBPATH = 4,
468 CTDB_CONTROL_GETVNNMAP = 5,
469 CTDB_CONTROL_SETVNNMAP = 6,
470 CTDB_CONTROL_GET_DEBUG = 7,
471 CTDB_CONTROL_SET_DEBUG = 8,
472 CTDB_CONTROL_GET_DBMAP = 9,
473 CTDB_CONTROL_GET_NODEMAPv4 = 10, /* obsolete */
474 CTDB_CONTROL_SET_DMASTER = 11,
476 CTDB_CONTROL_PULL_DB = 13,
477 CTDB_CONTROL_PUSH_DB = 14,
478 CTDB_CONTROL_GET_RECMODE = 15,
479 CTDB_CONTROL_SET_RECMODE = 16,
480 CTDB_CONTROL_STATISTICS_RESET = 17,
481 CTDB_CONTROL_DB_ATTACH = 18,
482 CTDB_CONTROL_SET_CALL = 19,
483 CTDB_CONTROL_TRAVERSE_START = 20,
484 CTDB_CONTROL_TRAVERSE_ALL = 21,
485 CTDB_CONTROL_TRAVERSE_DATA = 22,
486 CTDB_CONTROL_REGISTER_SRVID = 23,
487 CTDB_CONTROL_DEREGISTER_SRVID = 24,
488 CTDB_CONTROL_GET_DBNAME = 25,
489 CTDB_CONTROL_ENABLE_SEQNUM = 26,
490 CTDB_CONTROL_UPDATE_SEQNUM = 27,
492 CTDB_CONTROL_DUMP_MEMORY = 29,
493 CTDB_CONTROL_GET_PID = 30,
494 CTDB_CONTROL_GET_RECMASTER = 31,
495 CTDB_CONTROL_SET_RECMASTER = 32,
496 CTDB_CONTROL_FREEZE = 33,
497 CTDB_CONTROL_THAW = 34,
498 CTDB_CONTROL_GET_PNN = 35,
499 CTDB_CONTROL_SHUTDOWN = 36,
500 CTDB_CONTROL_GET_MONMODE = 37,
505 CTDB_CONTROL_TAKEOVER_IPv4 = 42, /* obsolete */
506 CTDB_CONTROL_RELEASE_IPv4 = 43, /* obsolete */
507 CTDB_CONTROL_TCP_CLIENT = 44,
508 CTDB_CONTROL_TCP_ADD = 45,
509 CTDB_CONTROL_TCP_REMOVE = 46,
510 CTDB_CONTROL_STARTUP = 47,
511 CTDB_CONTROL_SET_TUNABLE = 48,
512 CTDB_CONTROL_GET_TUNABLE = 49,
513 CTDB_CONTROL_LIST_TUNABLES = 50,
514 CTDB_CONTROL_GET_PUBLIC_IPSv4 = 51, /* obsolete */
515 CTDB_CONTROL_MODIFY_FLAGS = 52,
516 CTDB_CONTROL_GET_ALL_TUNABLES = 53,
517 CTDB_CONTROL_KILL_TCP = 54,
518 CTDB_CONTROL_GET_TCP_TICKLE_LIST = 55,
519 CTDB_CONTROL_SET_TCP_TICKLE_LIST = 56,
520 CTDB_CONTROL_REGISTER_SERVER_ID = 57,
521 CTDB_CONTROL_UNREGISTER_SERVER_ID = 58,
522 CTDB_CONTROL_CHECK_SERVER_ID = 59,
523 CTDB_CONTROL_GET_SERVER_ID_LIST = 60,
524 CTDB_CONTROL_DB_ATTACH_PERSISTENT = 61,
525 CTDB_CONTROL_PERSISTENT_STORE = 62,
526 CTDB_CONTROL_UPDATE_RECORD = 63,
527 CTDB_CONTROL_SEND_GRATIOUS_ARP = 64,
528 CTDB_CONTROL_TRANSACTION_START = 65,
529 CTDB_CONTROL_TRANSACTION_COMMIT = 66,
530 CTDB_CONTROL_WIPE_DATABASE = 67,
532 CTDB_CONTROL_UPTIME = 69,
533 CTDB_CONTROL_START_RECOVERY = 70,
534 CTDB_CONTROL_END_RECOVERY = 71,
535 CTDB_CONTROL_RELOAD_NODES_FILE = 72,
537 CTDB_CONTROL_TRY_DELETE_RECORDS = 74,
538 CTDB_CONTROL_ENABLE_MONITOR = 75,
539 CTDB_CONTROL_DISABLE_MONITOR = 76,
540 CTDB_CONTROL_ADD_PUBLIC_IP = 77,
541 CTDB_CONTROL_DEL_PUBLIC_IP = 78,
542 CTDB_CONTROL_RUN_EVENTSCRIPTS = 79,
543 CTDB_CONTROL_GET_CAPABILITIES = 80,
544 CTDB_CONTROL_START_PERSISTENT_UPDATE = 81,
545 CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE= 82,
546 CTDB_CONTROL_TRANS2_COMMIT = 83,
547 CTDB_CONTROL_TRANS2_FINISHED = 84,
548 CTDB_CONTROL_TRANS2_ERROR = 85,
549 CTDB_CONTROL_TRANS2_COMMIT_RETRY = 86,
550 CTDB_CONTROL_RECD_PING = 87,
551 CTDB_CONTROL_RELEASE_IP = 88,
552 CTDB_CONTROL_TAKEOVER_IP = 89,
553 CTDB_CONTROL_GET_PUBLIC_IPS = 90,
554 CTDB_CONTROL_GET_NODEMAP = 91,
555 CTDB_CONTROL_EVENT_SCRIPT_INIT = 92,
556 CTDB_CONTROL_EVENT_SCRIPT_START = 93,
557 CTDB_CONTROL_EVENT_SCRIPT_STOP = 94,
558 CTDB_CONTROL_EVENT_SCRIPT_FINISHED = 95,
559 CTDB_CONTROL_GET_EVENT_SCRIPT_STATUS = 96,
563 structure passed in set_call control
565 struct ctdb_control_set_call {
572 struct for kill_tcp control
574 struct ctdb_control_killtcp {
575 ctdb_sock_addr src_addr;
576 ctdb_sock_addr dst_addr;
580 struct holding a ctdb_sock_addr and an interface name,
581 used to add/remove public addresses
583 struct ctdb_control_ip_iface {
591 struct holding a ctdb_sock_addr and an interface name,
592 used for send_gratious_arp
594 struct ctdb_control_gratious_arp {
602 struct for tcp_add and tcp_remove controls
604 struct ctdb_control_tcp_vnn {
610 persistent store control - update this record on all other nodes
612 struct ctdb_control_persistent_store {
619 structure used for CTDB_SRVID_NODE_FLAGS_CHANGED
621 struct ctdb_node_flag_change {
628 struct for admin setting a ban
630 struct ctdb_ban_info {
635 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
637 #define CTDB_LMASTER_ANY 0xffffffff
640 state of a in-progress ctdb call
642 struct ctdb_call_state {
643 struct ctdb_call_state *next, *prev;
644 enum call_state state;
646 struct ctdb_req_call *c;
647 struct ctdb_db_context *ctdb_db;
649 struct ctdb_call *call;
652 void (*fn)(struct ctdb_call_state *);
658 /* used for fetch_lock */
659 struct ctdb_fetch_handle {
660 struct ctdb_db_context *ctdb_db;
663 struct ctdb_ltdb_header header;
669 enum ctdb_operation {
672 CTDB_REQ_DMASTER = 2,
673 CTDB_REPLY_DMASTER = 3,
674 CTDB_REPLY_ERROR = 4,
675 CTDB_REQ_MESSAGE = 5,
677 CTDB_REQ_CONTROL = 7,
678 CTDB_REPLY_CONTROL = 8,
679 CTDB_REQ_KEEPALIVE = 9,
682 #define CTDB_MAGIC 0x43544442 /* CTDB */
683 #define CTDB_VERSION 1
688 struct ctdb_req_header {
691 uint32_t ctdb_version;
699 struct ctdb_req_call {
700 struct ctdb_req_header hdr;
706 uint32_t calldatalen;
707 uint8_t data[1]; /* key[] followed by calldata[] */
710 struct ctdb_reply_call {
711 struct ctdb_req_header hdr;
717 struct ctdb_reply_error {
718 struct ctdb_req_header hdr;
724 struct ctdb_req_dmaster {
725 struct ctdb_req_header hdr;
734 struct ctdb_reply_dmaster {
735 struct ctdb_req_header hdr;
743 struct ctdb_req_message {
744 struct ctdb_req_header hdr;
750 struct ctdb_req_getdbpath {
751 struct ctdb_req_header hdr;
755 struct ctdb_reply_getdbpath {
756 struct ctdb_req_header hdr;
761 struct ctdb_req_control {
762 struct ctdb_req_header hdr;
766 #define CTDB_CTRL_FLAG_NOREPLY 1
772 struct ctdb_reply_control {
773 struct ctdb_req_header hdr;
780 struct ctdb_req_keepalive {
781 struct ctdb_req_header hdr;
785 /* types of failures possible from TRANS2_COMMIT */
786 enum ctdb_trans2_commit_error {
787 CTDB_TRANS2_COMMIT_SUCCESS=0, /* all nodes committed successfully */
788 CTDB_TRANS2_COMMIT_TIMEOUT=1, /* at least one node timed out */
789 CTDB_TRANS2_COMMIT_ALLFAIL=2, /* all nodes failed the commit */
790 CTDB_TRANS2_COMMIT_SOMEFAIL=3 /* some nodes failed the commit, some allowed it */
794 /* internal prototypes */
795 void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
796 void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
797 bool ctdb_same_address(struct ctdb_address *a1, struct ctdb_address *a2);
798 int ctdb_parse_address(struct ctdb_context *ctdb,
799 TALLOC_CTX *mem_ctx, const char *str,
800 struct ctdb_address *address);
801 bool ctdb_same_ip(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
802 bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
803 uint32_t ctdb_hash(const TDB_DATA *key);
804 uint32_t ctdb_hash_string(const char *str);
805 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
806 void ctdb_request_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
807 void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
808 void ctdb_reply_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
809 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
810 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
812 uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
813 int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
814 TDB_DATA key, struct ctdb_ltdb_header *header,
815 TALLOC_CTX *mem_ctx, TDB_DATA *data);
816 int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
817 struct ctdb_ltdb_header *header, TDB_DATA data);
818 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
819 struct ctdb_req_control *c,
821 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
822 struct ctdb_req_control *c,
824 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
825 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb, struct ctdb_req_header *hdr, unsigned opcode);
826 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
827 TDB_DATA key, struct ctdb_req_header *hdr,
828 void (*recv_pkt)(void *, struct ctdb_req_header *),
829 void *recv_context, bool ignore_generation);
830 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
831 TDB_DATA key, struct ctdb_ltdb_header *header,
832 struct ctdb_req_header *hdr, TDB_DATA *data,
833 void (*recv_pkt)(void *, struct ctdb_req_header *),
834 void *recv_context, bool ignore_generation);
835 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
837 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
838 struct ctdb_call *call,
839 struct ctdb_ltdb_header *header,
843 int ctdbd_start(struct ctdb_context *ctdb);
844 struct ctdb_call_state *ctdbd_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
845 int ctdbd_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
848 queue a packet for sending
850 int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
853 setup the fd used by the queue
855 int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
858 setup a packet queue on a socket
860 struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
861 TALLOC_CTX *mem_ctx, int fd, int alignment,
863 ctdb_queue_cb_fn_t callback,
867 allocate a packet for use in client<->daemon communication
869 struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
871 enum ctdb_operation operation,
872 size_t length, size_t slength,
874 #define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
875 (type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, sizeof(type), #type)
877 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
879 enum ctdb_operation operation,
880 size_t length, size_t slength,
882 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
883 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, sizeof(type), #type)
887 lock a record in the ltdb, given a key
889 int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
892 unlock a record in the ltdb, given a key
894 int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
898 make a ctdb call to the local daemon - async send. Called from client context.
900 This constructs a ctdb_call request and queues it for processing.
901 This call never blocks.
903 struct ctdb_call_state *ctdb_client_call_send(struct ctdb_db_context *ctdb_db,
904 struct ctdb_call *call);
907 make a recv call to the local ctdb daemon - called from client context
909 This is called when the program wants to wait for a ctdb_call to complete and get the
910 results. This call will block unless the call has already completed.
912 int ctdb_client_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
914 int ctdb_daemon_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
915 ctdb_message_fn_t handler,
918 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t vnn,
919 uint64_t srvid, TDB_DATA data);
924 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
925 uint64_t srvid, TDB_DATA data);
928 struct lockwait_handle *ctdb_lockwait(struct ctdb_db_context *ctdb_db,
930 void (*callback)(void *), void *private_data);
932 struct ctdb_call_state *ctdb_daemon_call_send(struct ctdb_db_context *ctdb_db,
933 struct ctdb_call *call);
935 int ctdb_daemon_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
937 struct ctdb_call_state *ctdb_daemon_call_send_remote(struct ctdb_db_context *ctdb_db,
938 struct ctdb_call *call,
939 struct ctdb_ltdb_header *header);
941 int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
942 struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx, TDB_DATA *data,
945 #define ctdb_reqid_find(ctdb, reqid, type) (type *)_ctdb_reqid_find(ctdb, reqid, #type, __location__)
947 void ctdb_recv_raw_pkt(void *p, uint8_t *data, uint32_t length);
949 int ctdb_socket_connect(struct ctdb_context *ctdb);
951 void ctdb_latency(struct ctdb_db_context *ctdb_db, const char *name, double *latency, struct timeval t);
953 uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
954 void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
955 void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
957 void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
958 void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
960 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
961 uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
963 ctdb_control_callback_fn_t callback,
966 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
967 TDB_DATA *outdata, uint64_t tdb_flags, bool persistent);
969 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
970 ctdb_fn_t fn, int id);
972 int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
973 uint32_t opcode, uint32_t flags, TDB_DATA data,
974 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
975 struct timeval *timeout, char **errormsg);
976 int ctdb_control_recv(struct ctdb_context *ctdb,
977 struct ctdb_client_control_state *state,
979 TDB_DATA *outdata, int32_t *status, char **errormsg);
981 struct ctdb_client_control_state *
982 ctdb_control_send(struct ctdb_context *ctdb,
983 uint32_t destnode, uint64_t srvid,
984 uint32_t opcode, uint32_t flags, TDB_DATA data,
986 struct timeval *timeout,
992 #define CHECK_CONTROL_DATA_SIZE(size) do { \
993 if (indata.dsize != size) { \
994 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
995 opcode, (unsigned)indata.dsize, (unsigned)size)); \
1000 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1001 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1002 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1003 int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1004 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1005 int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1008 struct ctdb_traverse_start {
1015 structure used to pass record data between the child and parent
1017 struct ctdb_rec_data {
1026 /* structure used for pulldb control */
1027 struct ctdb_control_pulldb {
1032 /* structure used for sending lists of records */
1033 struct ctdb_marshall_buffer {
1039 /* set dmaster control structure */
1040 struct ctdb_control_set_dmaster {
1046 structure for setting a tunable
1048 struct ctdb_control_set_tunable {
1055 structure for getting a tunable
1057 struct ctdb_control_get_tunable {
1063 structure for listing tunables
1065 struct ctdb_control_list_tunable {
1067 /* returns a : separated list of tunable names */
1072 /* table that contains a list of all nodes a ctdb knows about and their
1075 struct ctdb_node_and_flags {
1078 ctdb_sock_addr addr;
1081 struct ctdb_node_map {
1083 struct ctdb_node_and_flags nodes[1];
1086 struct ctdb_node_and_flagsv4 {
1089 struct sockaddr_in sin;
1092 struct ctdb_node_mapv4 {
1094 struct ctdb_node_and_flagsv4 nodes[1];
1097 struct ctdb_control_wipe_database {
1099 uint32_t transaction_id;
1103 state of a in-progress ctdb call in client
1105 struct ctdb_client_call_state {
1106 enum call_state state;
1108 struct ctdb_db_context *ctdb_db;
1109 struct ctdb_call *call;
1111 void (*fn)(struct ctdb_client_call_state *);
1117 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
1118 TDB_DATA *outdata, uint32_t srcnode);
1119 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1120 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1122 int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
1124 int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1125 int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
1126 int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1128 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
1129 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
1130 int32_t ctdb_ltdb_set_seqnum_frequency(struct ctdb_context *ctdb, uint32_t frequency);
1132 struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
1133 TDB_DATA key, struct ctdb_ltdb_header *, TDB_DATA data);
1135 struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m, struct ctdb_rec_data *r,
1137 struct ctdb_ltdb_header *header,
1138 TDB_DATA *key, TDB_DATA *data);
1140 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1141 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
1142 int32_t ctdb_control_set_dmaster(struct ctdb_context *ctdb, TDB_DATA indata);
1144 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
1145 struct ctdb_req_control *c,
1146 TDB_DATA indata, bool *async_reply,
1147 const char **errormsg);
1148 void ctdb_request_control_reply(struct ctdb_context *ctdb, struct ctdb_req_control *c,
1149 TDB_DATA *outdata, int32_t status, const char *errormsg);
1151 int32_t ctdb_control_freeze(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1152 int32_t ctdb_control_thaw(struct ctdb_context *ctdb);
1154 int ctdb_start_recoverd(struct ctdb_context *ctdb);
1155 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
1157 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
1159 void ctdb_disable_monitoring(struct ctdb_context *ctdb);
1160 void ctdb_enable_monitoring(struct ctdb_context *ctdb);
1161 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
1162 void ctdb_start_monitoring(struct ctdb_context *ctdb);
1163 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
1164 void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
1165 void ctdb_start_keepalive(struct ctdb_context *ctdb);
1166 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
1167 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA data, bool *async_reply);
1170 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node);
1171 void ctdb_call_resend_all(struct ctdb_context *ctdb);
1172 void ctdb_node_dead(struct ctdb_node *node);
1173 void ctdb_node_connected(struct ctdb_node *node);
1174 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
1175 void ctdb_set_scheduler(struct ctdb_context *ctdb);
1176 void ctdb_restore_scheduler(struct ctdb_context *ctdb);
1177 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
1178 struct ctdb_req_control *c,
1181 int32_t ctdb_control_takeover_ipv4(struct ctdb_context *ctdb,
1182 struct ctdb_req_control *c,
1185 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
1186 struct ctdb_req_control *c,
1189 int32_t ctdb_control_release_ipv4(struct ctdb_context *ctdb,
1190 struct ctdb_req_control *c,
1193 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
1194 struct ctdb_req_control *c,
1196 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
1197 struct ctdb_req_control *c,
1200 struct ctdb_public_ipv4 {
1202 struct sockaddr_in sin;
1205 struct ctdb_public_ip {
1207 ctdb_sock_addr addr;
1209 int ctdb_ctrl_takeover_ip(struct ctdb_context *ctdb, struct timeval timeout,
1210 uint32_t destnode, struct ctdb_public_ip *ip);
1211 int ctdb_ctrl_release_ip(struct ctdb_context *ctdb, struct timeval timeout,
1212 uint32_t destnode, struct ctdb_public_ip *ip);
1214 struct ctdb_all_public_ipsv4 {
1216 struct ctdb_public_ipv4 ips[1];
1219 struct ctdb_all_public_ips {
1221 struct ctdb_public_ip ips[1];
1223 int32_t ctdb_control_get_public_ipsv4(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1224 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1225 int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
1226 struct timeval timeout, uint32_t destnode,
1227 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1228 int ctdb_ctrl_get_public_ipsv4(struct ctdb_context *ctdb,
1229 struct timeval timeout, uint32_t destnode,
1230 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1233 /* from takeover/system.c */
1234 uint32_t uint16_checksum(uint16_t *data, size_t n);
1235 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
1236 bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
1237 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
1238 const ctdb_sock_addr *src,
1239 uint32_t seq, uint32_t ack, int rst);
1241 int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
1242 int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
1243 int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
1244 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
1246 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
1248 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata);
1249 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
1250 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
1251 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1252 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
1253 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1254 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
1256 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
1257 int ctdb_event_script(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
1258 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1259 struct timeval timeout,
1260 TALLOC_CTX *mem_ctx,
1261 void (*callback)(struct ctdb_context *, int, void *),
1263 const char *fmt, ...) PRINTF_ATTRIBUTE(6,7);
1264 void ctdb_release_all_ips(struct ctdb_context *ctdb);
1266 void set_nonblocking(int fd);
1267 void set_close_on_exec(int fd);
1269 bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
1271 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
1273 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1275 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1276 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
1277 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1278 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1279 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1281 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1283 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
1285 int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
1286 struct timeval timeout,
1288 struct ctdb_tunable *tunables);
1290 void ctdb_start_freeze(struct ctdb_context *ctdb);
1292 bool parse_ip_mask(const char *s, const char *iface, ctdb_sock_addr *addr, unsigned *mask);
1293 bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
1294 bool parse_ip(const char *s, const char *iface, unsigned port, ctdb_sock_addr *addr);
1295 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
1298 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
1299 int ctdb_sys_close_capture_socket(void *private_data);
1300 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);
1302 int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
1303 struct timeval timeout,
1305 struct ctdb_control_killtcp *killtcp);
1307 int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
1308 struct timeval timeout,
1310 struct ctdb_control_ip_iface *pub);
1312 int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
1313 struct timeval timeout,
1315 struct ctdb_control_ip_iface *pub);
1317 int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
1318 struct timeval timeout,
1320 ctdb_sock_addr *addr,
1321 const char *ifname);
1323 int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
1324 struct timeval timeout,
1326 TALLOC_CTX *mem_ctx,
1327 ctdb_sock_addr *addr,
1328 struct ctdb_control_tcp_tickle_list **list);
1331 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
1334 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
1336 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
1338 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
1340 int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
1343 int ctdb_attach_persistent(struct ctdb_context *ctdb);
1345 int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
1346 struct ctdb_req_control *c,
1347 TDB_DATA recdata, bool *async_reply);
1348 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1349 struct ctdb_req_control *c, TDB_DATA recdata,
1351 int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
1352 struct ctdb_req_control *c,
1353 TDB_DATA recdata, bool *async_reply);
1355 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
1356 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
1357 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
1360 int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
1361 int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
1363 void ctdb_block_signal(int signum);
1364 void ctdb_unblock_signal(int signum);
1365 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
1366 int ctdb_set_child_logging(struct ctdb_context *ctdb);
1369 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
1371 struct client_async_data {
1372 enum ctdb_controls opcode;
1373 bool dont_log_errors;
1375 uint32_t fail_count;
1376 client_async_callback callback;
1377 client_async_callback fail_callback;
1378 void *callback_data;
1380 void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
1381 int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
1382 int ctdb_client_async_control(struct ctdb_context *ctdb,
1383 enum ctdb_controls opcode,
1385 struct timeval timeout,
1386 bool dont_log_errors,
1388 client_async_callback client_callback,
1389 client_async_callback fail_callback,
1390 void *callback_data);
1392 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
1394 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
1396 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
1397 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
1399 int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
1400 struct ctdb_req_control *c);
1401 int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
1402 struct ctdb_req_control *c);
1404 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
1405 unsigned ctdb_addr_to_port(ctdb_sock_addr *addr);
1406 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
1408 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
1409 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
1411 extern int script_log_level;
1413 int ctdb_ctrl_event_script_init(struct ctdb_context *ctdb);
1414 int ctdb_ctrl_event_script_start(struct ctdb_context *ctdb, const char *name);
1415 int ctdb_ctrl_event_script_stop(struct ctdb_context *ctdb, int32_t res);
1416 int ctdb_ctrl_event_script_finished(struct ctdb_context *ctdb);
1418 int32_t ctdb_control_event_script_init(struct ctdb_context *ctdb);
1419 int32_t ctdb_control_event_script_start(struct ctdb_context *ctdb, TDB_DATA indata);
1420 int32_t ctdb_control_event_script_stop(struct ctdb_context *ctdb, TDB_DATA indata);
1421 int32_t ctdb_control_event_script_finished(struct ctdb_context *ctdb);
1424 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb, TDB_DATA *outdata);
1426 int ctdb_log_event_script_output(struct ctdb_context *ctdb, char *str, uint16_t len);