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_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_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;
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;
120 an installed ctdb remote call
122 struct ctdb_registered_call {
123 struct ctdb_registered_call *next, *prev;
129 this address structure might need to be generalised later for some
132 struct ctdb_address {
138 check that a pnn is valid
140 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
143 /* called from the queue code when a packet comes in. Called with data==NULL
145 typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
148 /* used for callbacks in ctdb_control requests */
149 typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
150 int32_t status, TDB_DATA data,
151 const char *errormsg,
155 structure describing a connected client in the daemon
158 struct ctdb_context *ctdb;
160 struct ctdb_queue *queue;
163 struct ctdb_tcp_list *tcp_list;
165 uint32_t num_persistent_updates;
169 /* state associated with a public ip address */
171 struct ctdb_vnn *prev, *next;
174 ctdb_sock_addr public_address;
175 uint8_t public_netmask_bits;
177 /* the node number that is serving this public address, if any.
178 If no node serves this ip it is set to -1 */
181 /* List of clients to tickle for this public address */
182 struct ctdb_tcp_array *tcp_array;
184 /* whether we need to update the other nodes with changes to our list
185 of connected clients */
186 bool tcp_update_needed;
188 /* a context to hang sending gratious arp events off */
189 TALLOC_CTX *takeover_ctx;
191 struct ctdb_kill_tcp *killtcp;
195 state associated with one node
198 struct ctdb_context *ctdb;
199 struct ctdb_address address;
200 const char *name; /* for debug messages */
201 void *private_data; /* private to transport */
203 #define NODE_FLAGS_DISCONNECTED 0x00000001 /* node isn't connected */
204 #define NODE_FLAGS_UNHEALTHY 0x00000002 /* monitoring says node is unhealthy */
205 #define NODE_FLAGS_PERMANENTLY_DISABLED 0x00000004 /* administrator has disabled node */
206 #define NODE_FLAGS_BANNED 0x00000008 /* recovery daemon has banned the node */
207 #define NODE_FLAGS_DELETED 0x00000010 /* this node has been deleted */
208 #define NODE_FLAGS_STOPPED 0x00000020 /* this node has been stopped */
209 #define NODE_FLAGS_DISABLED (NODE_FLAGS_UNHEALTHY|NODE_FLAGS_PERMANENTLY_DISABLED)
210 #define NODE_FLAGS_INACTIVE (NODE_FLAGS_DELETED|NODE_FLAGS_DISCONNECTED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)
213 /* used by the dead node monitoring */
218 /* used to track node capabilities, is only valid/tracked inside the
221 uint32_t capabilities;
223 /* a list of controls pending to this node, so we can time them out quickly
224 if the node becomes disconnected */
225 struct daemon_control_state *pending_controls;
227 /* used by the recovery daemon when distributing ip addresses
228 across the nodes. it needs to know which public ip's can be handled
231 struct ctdb_all_public_ips *public_ips;
232 /* used by the recovery dameon to track when a node should be banned */
233 struct ctdb_banning_state *ban_state;
237 transport specific methods
239 struct ctdb_methods {
240 int (*initialise)(struct ctdb_context *); /* initialise transport structures */
241 int (*start)(struct ctdb_context *); /* start the transport */
242 int (*add_node)(struct ctdb_node *); /* setup a new node */
243 int (*connect_node)(struct ctdb_node *); /* connect to node */
244 int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
245 void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
246 void (*shutdown)(struct ctdb_context *); /* shutdown transport */
247 void (*restart)(struct ctdb_node *); /* stop and restart the connection */
251 transport calls up to the ctdb layer
253 struct ctdb_upcalls {
254 /* recv_pkt is called when a packet comes in */
255 void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
257 /* node_dead is called when an attempt to send to a node fails */
258 void (*node_dead)(struct ctdb_node *);
260 /* node_connected is called when a connection to a node is established */
261 void (*node_connected)(struct ctdb_node *);
264 /* list of message handlers - needs to be changed to a more efficient data
265 structure so we can find a message handler given a srvid quickly */
266 struct ctdb_message_list {
267 struct ctdb_context *ctdb;
268 struct ctdb_message_list *next, *prev;
270 ctdb_message_fn_t message_handler;
271 void *message_private;
274 /* additional data required for the daemon mode */
275 struct ctdb_daemon_data {
278 struct ctdb_queue *queue;
282 ctdb status information
284 struct ctdb_statistics {
285 uint32_t num_clients;
288 uint32_t client_packets_sent;
289 uint32_t client_packets_recv;
290 uint32_t node_packets_sent;
291 uint32_t node_packets_recv;
292 uint32_t keepalive_packets_sent;
293 uint32_t keepalive_packets_recv;
297 uint32_t req_dmaster;
298 uint32_t reply_dmaster;
299 uint32_t reply_error;
300 uint32_t req_message;
301 uint32_t req_control;
302 uint32_t reply_control;
306 uint32_t req_message;
307 uint32_t req_control;
318 uint32_t total_calls;
319 uint32_t pending_calls;
320 uint32_t lockwait_calls;
321 uint32_t pending_lockwait_calls;
322 uint32_t childwrite_calls;
323 uint32_t pending_childwrite_calls;
324 uint32_t memory_used;
325 uint32_t __last_counter; /* hack for control_statistics_all */
326 uint32_t max_hop_count;
327 double max_call_latency;
328 double max_lockwait_latency;
329 double max_childwrite_latency;
333 #define INVALID_GENERATION 1
334 /* table that contains the mapping between a hash value and lmaster
336 struct ctdb_vnn_map {
343 a wire representation of the vnn map
345 struct ctdb_vnn_map_wire {
351 /* a structure that contains the elements required for the write record
354 struct ctdb_write_record {
358 unsigned char blob[1];
361 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
363 #define CTDB_MONITORING_ACTIVE 0
364 #define CTDB_MONITORING_DISABLED 1
366 /* The different capabilities of the ctdb daemon. */
367 #define CTDB_CAP_RECMASTER 0x00000001
368 #define CTDB_CAP_LMASTER 0x00000002
369 /* This capability is set if CTDB_LVS_PUBLIC_IP is set */
370 #define CTDB_CAP_LVS 0x00000004
371 /* This capability is set if NATGW is enabled */
372 #define CTDB_CAP_NATGW 0x00000008
374 #define NUM_DB_PRIORITIES 3
375 /* main state of the ctdb daemon */
376 struct ctdb_context {
377 struct event_context *ev;
378 struct timeval ctdbd_start_time;
379 struct timeval last_recovery_started;
380 struct timeval last_recovery_finished;
381 uint32_t recovery_mode;
382 TALLOC_CTX *tickle_update_context;
383 TALLOC_CTX *keepalive_ctx;
384 struct ctdb_tunable tunable;
385 enum ctdb_freeze_mode freeze_mode[NUM_DB_PRIORITIES+1];
386 struct ctdb_freeze_handle *freeze_handles[NUM_DB_PRIORITIES+1];
387 bool freeze_transaction_started;
388 uint32_t freeze_transaction_id;
389 struct ctdb_address address;
391 const char *db_directory;
392 const char *db_directory_persistent;
393 const char *transport;
394 char *recovery_lock_file;
395 int recovery_lock_fd;
396 uint32_t pnn; /* our own pnn */
398 uint32_t num_connected;
400 uint32_t capabilities;
401 struct idr_context *idr;
403 struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
404 struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
405 struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
407 const struct ctdb_methods *methods; /* transport methods */
408 const struct ctdb_upcalls *upcalls; /* transport upcalls */
409 void *private_data; /* private to transport */
410 struct ctdb_db_context *db_list;
411 struct ctdb_message_list *message_list;
412 struct ctdb_daemon_data daemon;
413 struct ctdb_statistics statistics;
414 struct ctdb_vnn_map *vnn_map;
415 uint32_t num_clients;
416 uint32_t recovery_master;
417 struct ctdb_call_state *pending_calls;
418 struct ctdb_client_ip *client_ip_list;
420 bool do_checkpublicip;
421 void *saved_scheduler_param;
422 struct _trbt_tree_t *server_ids;
423 const char *event_script_dir;
424 const char *notification_script;
425 const char *default_public_interface;
430 struct ctdb_monitor_state *monitor;
431 struct ctdb_log_state *log;
432 int start_as_disabled;
433 int start_as_stopped;
434 uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
435 TALLOC_CTX *eventscripts_ctx; /* a context to hold data for the RUN_EVENTSCRIPTS control */
436 uint32_t *recd_ping_count;
437 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
438 TALLOC_CTX *script_monitoring_ctx; /* a context where we store results while running the monitor event */
439 TALLOC_CTX *last_monitoring_ctx;
440 TALLOC_CTX *banning_ctx;
443 struct ctdb_db_context {
444 struct ctdb_db_context *next, *prev;
445 struct ctdb_context *ctdb;
451 struct tdb_wrap *ltdb;
452 struct ctdb_registered_call *calls; /* list of registered calls */
454 struct timed_event *te;
455 struct ctdb_traverse_local_handle *traverse;
456 bool transaction_active;
457 struct ctdb_vacuum_handle *vacuum_handle;
461 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
462 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
463 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
464 return -1; }} while (0)
466 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
467 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
468 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
471 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
472 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
473 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
474 return NULL; }} while (0)
476 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
477 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
478 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
482 the extended header for records in the ltdb
484 struct ctdb_ltdb_header {
491 enum ctdb_controls {CTDB_CONTROL_PROCESS_EXISTS = 0,
492 CTDB_CONTROL_STATISTICS = 1,
494 CTDB_CONTROL_PING = 3,
495 CTDB_CONTROL_GETDBPATH = 4,
496 CTDB_CONTROL_GETVNNMAP = 5,
497 CTDB_CONTROL_SETVNNMAP = 6,
498 CTDB_CONTROL_GET_DEBUG = 7,
499 CTDB_CONTROL_SET_DEBUG = 8,
500 CTDB_CONTROL_GET_DBMAP = 9,
501 CTDB_CONTROL_GET_NODEMAPv4 = 10, /* obsolete */
502 CTDB_CONTROL_SET_DMASTER = 11,
504 CTDB_CONTROL_PULL_DB = 13,
505 CTDB_CONTROL_PUSH_DB = 14,
506 CTDB_CONTROL_GET_RECMODE = 15,
507 CTDB_CONTROL_SET_RECMODE = 16,
508 CTDB_CONTROL_STATISTICS_RESET = 17,
509 CTDB_CONTROL_DB_ATTACH = 18,
510 CTDB_CONTROL_SET_CALL = 19,
511 CTDB_CONTROL_TRAVERSE_START = 20,
512 CTDB_CONTROL_TRAVERSE_ALL = 21,
513 CTDB_CONTROL_TRAVERSE_DATA = 22,
514 CTDB_CONTROL_REGISTER_SRVID = 23,
515 CTDB_CONTROL_DEREGISTER_SRVID = 24,
516 CTDB_CONTROL_GET_DBNAME = 25,
517 CTDB_CONTROL_ENABLE_SEQNUM = 26,
518 CTDB_CONTROL_UPDATE_SEQNUM = 27,
520 CTDB_CONTROL_DUMP_MEMORY = 29,
521 CTDB_CONTROL_GET_PID = 30,
522 CTDB_CONTROL_GET_RECMASTER = 31,
523 CTDB_CONTROL_SET_RECMASTER = 32,
524 CTDB_CONTROL_FREEZE = 33,
525 CTDB_CONTROL_THAW = 34,
526 CTDB_CONTROL_GET_PNN = 35,
527 CTDB_CONTROL_SHUTDOWN = 36,
528 CTDB_CONTROL_GET_MONMODE = 37,
533 CTDB_CONTROL_TAKEOVER_IPv4 = 42, /* obsolete */
534 CTDB_CONTROL_RELEASE_IPv4 = 43, /* obsolete */
535 CTDB_CONTROL_TCP_CLIENT = 44,
536 CTDB_CONTROL_TCP_ADD = 45,
537 CTDB_CONTROL_TCP_REMOVE = 46,
538 CTDB_CONTROL_STARTUP = 47,
539 CTDB_CONTROL_SET_TUNABLE = 48,
540 CTDB_CONTROL_GET_TUNABLE = 49,
541 CTDB_CONTROL_LIST_TUNABLES = 50,
542 CTDB_CONTROL_GET_PUBLIC_IPSv4 = 51, /* obsolete */
543 CTDB_CONTROL_MODIFY_FLAGS = 52,
544 CTDB_CONTROL_GET_ALL_TUNABLES = 53,
545 CTDB_CONTROL_KILL_TCP = 54,
546 CTDB_CONTROL_GET_TCP_TICKLE_LIST = 55,
547 CTDB_CONTROL_SET_TCP_TICKLE_LIST = 56,
548 CTDB_CONTROL_REGISTER_SERVER_ID = 57,
549 CTDB_CONTROL_UNREGISTER_SERVER_ID = 58,
550 CTDB_CONTROL_CHECK_SERVER_ID = 59,
551 CTDB_CONTROL_GET_SERVER_ID_LIST = 60,
552 CTDB_CONTROL_DB_ATTACH_PERSISTENT = 61,
553 CTDB_CONTROL_PERSISTENT_STORE = 62,
554 CTDB_CONTROL_UPDATE_RECORD = 63,
555 CTDB_CONTROL_SEND_GRATIOUS_ARP = 64,
556 CTDB_CONTROL_TRANSACTION_START = 65,
557 CTDB_CONTROL_TRANSACTION_COMMIT = 66,
558 CTDB_CONTROL_WIPE_DATABASE = 67,
560 CTDB_CONTROL_UPTIME = 69,
561 CTDB_CONTROL_START_RECOVERY = 70,
562 CTDB_CONTROL_END_RECOVERY = 71,
563 CTDB_CONTROL_RELOAD_NODES_FILE = 72,
565 CTDB_CONTROL_TRY_DELETE_RECORDS = 74,
566 CTDB_CONTROL_ENABLE_MONITOR = 75,
567 CTDB_CONTROL_DISABLE_MONITOR = 76,
568 CTDB_CONTROL_ADD_PUBLIC_IP = 77,
569 CTDB_CONTROL_DEL_PUBLIC_IP = 78,
570 CTDB_CONTROL_RUN_EVENTSCRIPTS = 79,
571 CTDB_CONTROL_GET_CAPABILITIES = 80,
572 CTDB_CONTROL_START_PERSISTENT_UPDATE = 81,
573 CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE= 82,
574 CTDB_CONTROL_TRANS2_COMMIT = 83,
575 CTDB_CONTROL_TRANS2_FINISHED = 84,
576 CTDB_CONTROL_TRANS2_ERROR = 85,
577 CTDB_CONTROL_TRANS2_COMMIT_RETRY = 86,
578 CTDB_CONTROL_RECD_PING = 87,
579 CTDB_CONTROL_RELEASE_IP = 88,
580 CTDB_CONTROL_TAKEOVER_IP = 89,
581 CTDB_CONTROL_GET_PUBLIC_IPS = 90,
582 CTDB_CONTROL_GET_NODEMAP = 91,
583 CTDB_CONTROL_EVENT_SCRIPT_INIT = 92,
584 CTDB_CONTROL_EVENT_SCRIPT_START = 93,
585 CTDB_CONTROL_EVENT_SCRIPT_STOP = 94,
586 CTDB_CONTROL_EVENT_SCRIPT_FINISHED = 95,
587 CTDB_CONTROL_GET_EVENT_SCRIPT_STATUS = 96,
588 CTDB_CONTROL_TRAVERSE_KILL = 97,
589 CTDB_CONTROL_RECD_RECLOCK_LATENCY = 98,
590 CTDB_CONTROL_GET_RECLOCK_FILE = 99,
591 CTDB_CONTROL_SET_RECLOCK_FILE = 100,
592 CTDB_CONTROL_STOP_NODE = 101,
593 CTDB_CONTROL_CONTINUE_NODE = 102,
594 CTDB_CONTROL_SET_NATGWSTATE = 103,
595 CTDB_CONTROL_SET_LMASTERROLE = 104,
596 CTDB_CONTROL_SET_RECMASTERROLE = 105,
597 CTDB_CONTROL_EVENT_SCRIPT_DISABLED = 106,
598 CTDB_CONTROL_ENABLE_SCRIPT = 107,
599 CTDB_CONTROL_DISABLE_SCRIPT = 108,
600 CTDB_CONTROL_SET_BAN_STATE = 109,
601 CTDB_CONTROL_GET_BAN_STATE = 110,
602 CTDB_CONTROL_SET_DB_PRIORITY = 111,
603 CTDB_CONTROL_GET_DB_PRIORITY = 112,
607 structure passed in set_call control
609 struct ctdb_control_set_call {
616 struct for kill_tcp control
618 struct ctdb_control_killtcp {
619 ctdb_sock_addr src_addr;
620 ctdb_sock_addr dst_addr;
624 struct holding a ctdb_sock_addr and an interface name,
625 used to add/remove public addresses
627 struct ctdb_control_ip_iface {
635 struct holding a ctdb_sock_addr and an interface name,
636 used for send_gratious_arp
638 struct ctdb_control_gratious_arp {
646 struct for tcp_add and tcp_remove controls
648 struct ctdb_control_tcp_vnn {
654 persistent store control - update this record on all other nodes
656 struct ctdb_control_persistent_store {
663 structure used for CTDB_SRVID_NODE_FLAGS_CHANGED
665 struct ctdb_node_flag_change {
672 struct for admin setting a ban
674 struct ctdb_ban_info {
679 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
681 #define CTDB_LMASTER_ANY 0xffffffff
684 state of a in-progress ctdb call
686 struct ctdb_call_state {
687 struct ctdb_call_state *next, *prev;
688 enum call_state state;
690 struct ctdb_req_call *c;
691 struct ctdb_db_context *ctdb_db;
693 struct ctdb_call *call;
696 void (*fn)(struct ctdb_call_state *);
702 /* used for fetch_lock */
703 struct ctdb_fetch_handle {
704 struct ctdb_db_context *ctdb_db;
707 struct ctdb_ltdb_header header;
713 enum ctdb_operation {
716 CTDB_REQ_DMASTER = 2,
717 CTDB_REPLY_DMASTER = 3,
718 CTDB_REPLY_ERROR = 4,
719 CTDB_REQ_MESSAGE = 5,
721 CTDB_REQ_CONTROL = 7,
722 CTDB_REPLY_CONTROL = 8,
723 CTDB_REQ_KEEPALIVE = 9,
726 #define CTDB_MAGIC 0x43544442 /* CTDB */
727 #define CTDB_VERSION 1
732 struct ctdb_req_header {
735 uint32_t ctdb_version;
743 struct ctdb_req_call {
744 struct ctdb_req_header hdr;
750 uint32_t calldatalen;
751 uint8_t data[1]; /* key[] followed by calldata[] */
754 struct ctdb_reply_call {
755 struct ctdb_req_header hdr;
761 struct ctdb_reply_error {
762 struct ctdb_req_header hdr;
768 struct ctdb_req_dmaster {
769 struct ctdb_req_header hdr;
778 struct ctdb_reply_dmaster {
779 struct ctdb_req_header hdr;
787 struct ctdb_req_message {
788 struct ctdb_req_header hdr;
794 struct ctdb_req_getdbpath {
795 struct ctdb_req_header hdr;
799 struct ctdb_reply_getdbpath {
800 struct ctdb_req_header hdr;
805 struct ctdb_req_control {
806 struct ctdb_req_header hdr;
810 #define CTDB_CTRL_FLAG_NOREPLY 1
816 struct ctdb_reply_control {
817 struct ctdb_req_header hdr;
824 struct ctdb_req_keepalive {
825 struct ctdb_req_header hdr;
829 /* types of failures possible from TRANS2_COMMIT */
830 enum ctdb_trans2_commit_error {
831 CTDB_TRANS2_COMMIT_SUCCESS=0, /* all nodes committed successfully */
832 CTDB_TRANS2_COMMIT_TIMEOUT=1, /* at least one node timed out */
833 CTDB_TRANS2_COMMIT_ALLFAIL=2, /* all nodes failed the commit */
834 CTDB_TRANS2_COMMIT_SOMEFAIL=3 /* some nodes failed the commit, some allowed it */
838 /* internal prototypes */
839 void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
840 void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
841 bool ctdb_same_address(struct ctdb_address *a1, struct ctdb_address *a2);
842 int ctdb_parse_address(struct ctdb_context *ctdb,
843 TALLOC_CTX *mem_ctx, const char *str,
844 struct ctdb_address *address);
845 bool ctdb_same_ip(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
846 bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
847 uint32_t ctdb_hash(const TDB_DATA *key);
848 uint32_t ctdb_hash_string(const char *str);
849 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
850 void ctdb_request_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
851 void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
852 void ctdb_reply_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
853 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
854 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
856 uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
857 int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
858 TDB_DATA key, struct ctdb_ltdb_header *header,
859 TALLOC_CTX *mem_ctx, TDB_DATA *data);
860 int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
861 struct ctdb_ltdb_header *header, TDB_DATA data);
862 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
863 struct ctdb_req_control *c,
865 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
866 struct ctdb_req_control *c,
868 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
869 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb, struct ctdb_req_header *hdr, unsigned opcode);
870 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
871 TDB_DATA key, struct ctdb_req_header *hdr,
872 void (*recv_pkt)(void *, struct ctdb_req_header *),
873 void *recv_context, bool ignore_generation);
874 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
875 TDB_DATA key, struct ctdb_ltdb_header *header,
876 struct ctdb_req_header *hdr, TDB_DATA *data,
877 void (*recv_pkt)(void *, struct ctdb_req_header *),
878 void *recv_context, bool ignore_generation);
879 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
881 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
882 struct ctdb_call *call,
883 struct ctdb_ltdb_header *header,
887 int ctdbd_start(struct ctdb_context *ctdb);
888 struct ctdb_call_state *ctdbd_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
889 int ctdbd_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
892 queue a packet for sending
894 int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
897 setup the fd used by the queue
899 int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
902 setup a packet queue on a socket
904 struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
905 TALLOC_CTX *mem_ctx, int fd, int alignment,
907 ctdb_queue_cb_fn_t callback,
911 allocate a packet for use in client<->daemon communication
913 struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
915 enum ctdb_operation operation,
916 size_t length, size_t slength,
918 #define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
919 (type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, sizeof(type), #type)
921 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
923 enum ctdb_operation operation,
924 size_t length, size_t slength,
926 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
927 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, sizeof(type), #type)
931 lock a record in the ltdb, given a key
933 int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
936 unlock a record in the ltdb, given a key
938 int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
942 make a ctdb call to the local daemon - async send. Called from client context.
944 This constructs a ctdb_call request and queues it for processing.
945 This call never blocks.
947 struct ctdb_call_state *ctdb_client_call_send(struct ctdb_db_context *ctdb_db,
948 struct ctdb_call *call);
951 make a recv call to the local ctdb daemon - called from client context
953 This is called when the program wants to wait for a ctdb_call to complete and get the
954 results. This call will block unless the call has already completed.
956 int ctdb_client_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
958 int ctdb_daemon_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
959 ctdb_message_fn_t handler,
962 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t vnn,
963 uint64_t srvid, TDB_DATA data);
968 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
969 uint64_t srvid, TDB_DATA data);
972 struct lockwait_handle *ctdb_lockwait(struct ctdb_db_context *ctdb_db,
974 void (*callback)(void *), void *private_data);
976 struct ctdb_call_state *ctdb_daemon_call_send(struct ctdb_db_context *ctdb_db,
977 struct ctdb_call *call);
979 int ctdb_daemon_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
981 struct ctdb_call_state *ctdb_daemon_call_send_remote(struct ctdb_db_context *ctdb_db,
982 struct ctdb_call *call,
983 struct ctdb_ltdb_header *header);
985 int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
986 struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx, TDB_DATA *data,
989 #define ctdb_reqid_find(ctdb, reqid, type) (type *)_ctdb_reqid_find(ctdb, reqid, #type, __location__)
991 void ctdb_recv_raw_pkt(void *p, uint8_t *data, uint32_t length);
993 int ctdb_socket_connect(struct ctdb_context *ctdb);
995 void ctdb_latency(struct ctdb_db_context *ctdb_db, const char *name, double *latency, struct timeval t);
996 void ctdb_reclock_latency(struct ctdb_context *ctdb, const char *name, double *latency, double l);
998 uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
999 void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
1000 void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
1002 void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
1003 void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
1005 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
1006 uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
1008 ctdb_control_callback_fn_t callback,
1009 void *private_data);
1011 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
1012 TDB_DATA *outdata, uint64_t tdb_flags, bool persistent);
1014 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
1015 ctdb_fn_t fn, int id);
1017 int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
1018 uint32_t opcode, uint32_t flags, TDB_DATA data,
1019 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
1020 struct timeval *timeout, char **errormsg);
1021 int ctdb_control_recv(struct ctdb_context *ctdb,
1022 struct ctdb_client_control_state *state,
1023 TALLOC_CTX *mem_ctx,
1024 TDB_DATA *outdata, int32_t *status, char **errormsg);
1026 struct ctdb_client_control_state *
1027 ctdb_control_send(struct ctdb_context *ctdb,
1028 uint32_t destnode, uint64_t srvid,
1029 uint32_t opcode, uint32_t flags, TDB_DATA data,
1030 TALLOC_CTX *mem_ctx,
1031 struct timeval *timeout,
1037 #define CHECK_CONTROL_DATA_SIZE(size) do { \
1038 if (indata.dsize != size) { \
1039 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
1040 opcode, (unsigned)indata.dsize, (unsigned)size)); \
1045 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1046 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1047 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1048 int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1049 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1050 int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1053 struct ctdb_traverse_start {
1060 structure used to pass record data between the child and parent
1062 struct ctdb_rec_data {
1071 /* structure used for pulldb control */
1072 struct ctdb_control_pulldb {
1077 /* structure used for sending lists of records */
1078 struct ctdb_marshall_buffer {
1084 /* set dmaster control structure */
1085 struct ctdb_control_set_dmaster {
1091 structure for setting a tunable
1093 struct ctdb_control_set_tunable {
1100 structure for getting a tunable
1102 struct ctdb_control_get_tunable {
1108 structure for listing tunables
1110 struct ctdb_control_list_tunable {
1112 /* returns a : separated list of tunable names */
1117 /* table that contains a list of all nodes a ctdb knows about and their
1120 struct ctdb_node_and_flags {
1123 ctdb_sock_addr addr;
1126 struct ctdb_node_map {
1128 struct ctdb_node_and_flags nodes[1];
1131 struct ctdb_node_and_flagsv4 {
1134 struct sockaddr_in sin;
1137 struct ctdb_node_mapv4 {
1139 struct ctdb_node_and_flagsv4 nodes[1];
1142 struct ctdb_control_wipe_database {
1144 uint32_t transaction_id;
1148 state of a in-progress ctdb call in client
1150 struct ctdb_client_call_state {
1151 enum call_state state;
1153 struct ctdb_db_context *ctdb_db;
1154 struct ctdb_call *call;
1156 void (*fn)(struct ctdb_client_call_state *);
1162 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
1163 TDB_DATA *outdata, uint32_t srcnode, uint32_t client_id);
1164 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1165 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1166 int32_t ctdb_control_traverse_kill(struct ctdb_context *ctdb, TDB_DATA indata,
1167 TDB_DATA *outdata, uint32_t srcnode);
1169 int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
1171 int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1172 int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
1173 int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1175 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
1176 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
1178 struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
1179 TDB_DATA key, struct ctdb_ltdb_header *, TDB_DATA data);
1181 struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m, struct ctdb_rec_data *r,
1183 struct ctdb_ltdb_header *header,
1184 TDB_DATA *key, TDB_DATA *data);
1186 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1187 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
1188 int32_t ctdb_control_set_dmaster(struct ctdb_context *ctdb, TDB_DATA indata);
1190 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
1191 struct ctdb_req_control *c,
1192 TDB_DATA indata, bool *async_reply,
1193 const char **errormsg);
1194 void ctdb_request_control_reply(struct ctdb_context *ctdb, struct ctdb_req_control *c,
1195 TDB_DATA *outdata, int32_t status, const char *errormsg);
1197 int32_t ctdb_control_freeze(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1198 int32_t ctdb_control_thaw(struct ctdb_context *ctdb, uint32_t priority);
1200 int ctdb_start_recoverd(struct ctdb_context *ctdb);
1201 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
1203 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
1205 void ctdb_disable_monitoring(struct ctdb_context *ctdb);
1206 void ctdb_enable_monitoring(struct ctdb_context *ctdb);
1207 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
1208 void ctdb_start_monitoring(struct ctdb_context *ctdb);
1209 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
1210 void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
1211 void ctdb_start_keepalive(struct ctdb_context *ctdb);
1212 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
1213 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA data, bool *async_reply);
1216 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node);
1217 void ctdb_call_resend_all(struct ctdb_context *ctdb);
1218 void ctdb_node_dead(struct ctdb_node *node);
1219 void ctdb_node_connected(struct ctdb_node *node);
1220 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
1221 void ctdb_set_scheduler(struct ctdb_context *ctdb);
1222 void ctdb_restore_scheduler(struct ctdb_context *ctdb);
1223 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
1224 struct ctdb_req_control *c,
1227 int32_t ctdb_control_takeover_ipv4(struct ctdb_context *ctdb,
1228 struct ctdb_req_control *c,
1231 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
1232 struct ctdb_req_control *c,
1235 int32_t ctdb_control_release_ipv4(struct ctdb_context *ctdb,
1236 struct ctdb_req_control *c,
1239 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
1240 struct ctdb_req_control *c,
1242 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
1243 struct ctdb_req_control *c,
1246 struct ctdb_public_ipv4 {
1248 struct sockaddr_in sin;
1251 struct ctdb_public_ip {
1253 ctdb_sock_addr addr;
1255 int ctdb_ctrl_takeover_ip(struct ctdb_context *ctdb, struct timeval timeout,
1256 uint32_t destnode, struct ctdb_public_ip *ip);
1257 int ctdb_ctrl_release_ip(struct ctdb_context *ctdb, struct timeval timeout,
1258 uint32_t destnode, struct ctdb_public_ip *ip);
1260 struct ctdb_all_public_ipsv4 {
1262 struct ctdb_public_ipv4 ips[1];
1265 struct ctdb_all_public_ips {
1267 struct ctdb_public_ip ips[1];
1269 int32_t ctdb_control_get_public_ipsv4(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1270 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1271 int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
1272 struct timeval timeout, uint32_t destnode,
1273 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1274 int ctdb_ctrl_get_public_ipsv4(struct ctdb_context *ctdb,
1275 struct timeval timeout, uint32_t destnode,
1276 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1279 /* from takeover/system.c */
1280 uint32_t uint16_checksum(uint16_t *data, size_t n);
1281 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
1282 bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
1283 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
1284 const ctdb_sock_addr *src,
1285 uint32_t seq, uint32_t ack, int rst);
1287 int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
1288 int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
1289 int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
1290 int ctdb_set_notification_script(struct ctdb_context *ctdb, const char *script);
1291 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
1293 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
1295 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata);
1296 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
1297 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
1298 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1299 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
1300 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1301 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
1303 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
1304 int ctdb_event_script(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
1305 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1306 struct timeval timeout,
1307 TALLOC_CTX *mem_ctx,
1308 void (*callback)(struct ctdb_context *, int, void *),
1310 const char *fmt, ...) PRINTF_ATTRIBUTE(6,7);
1311 void ctdb_release_all_ips(struct ctdb_context *ctdb);
1313 void set_nonblocking(int fd);
1314 void set_close_on_exec(int fd);
1316 bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
1318 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
1320 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1322 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1323 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
1324 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1325 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1326 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1328 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1330 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
1332 int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
1333 struct timeval timeout,
1335 struct ctdb_tunable *tunables);
1337 int ctdb_start_freeze(struct ctdb_context *ctdb, uint32_t priority);
1339 bool parse_ip_mask(const char *s, const char *iface, ctdb_sock_addr *addr, unsigned *mask);
1340 bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
1341 bool parse_ip(const char *s, const char *iface, unsigned port, ctdb_sock_addr *addr);
1342 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
1345 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
1346 int ctdb_sys_close_capture_socket(void *private_data);
1347 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);
1349 int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
1350 struct timeval timeout,
1352 struct ctdb_control_killtcp *killtcp);
1354 int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
1355 struct timeval timeout,
1357 struct ctdb_control_ip_iface *pub);
1359 int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
1360 struct timeval timeout,
1362 struct ctdb_control_ip_iface *pub);
1364 int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
1365 struct timeval timeout,
1367 ctdb_sock_addr *addr,
1368 const char *ifname);
1370 int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
1371 struct timeval timeout,
1373 TALLOC_CTX *mem_ctx,
1374 ctdb_sock_addr *addr,
1375 struct ctdb_control_tcp_tickle_list **list);
1378 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
1381 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
1383 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
1385 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
1387 int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
1390 int ctdb_attach_persistent(struct ctdb_context *ctdb);
1392 int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
1393 struct ctdb_req_control *c,
1394 TDB_DATA recdata, bool *async_reply);
1395 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1396 struct ctdb_req_control *c, TDB_DATA recdata,
1398 int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
1399 struct ctdb_req_control *c,
1400 TDB_DATA recdata, bool *async_reply);
1402 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
1403 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
1404 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
1407 int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
1408 int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
1410 void ctdb_block_signal(int signum);
1411 void ctdb_unblock_signal(int signum);
1412 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
1413 int ctdb_set_child_logging(struct ctdb_context *ctdb);
1416 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
1418 struct client_async_data {
1419 enum ctdb_controls opcode;
1420 bool dont_log_errors;
1422 uint32_t fail_count;
1423 client_async_callback callback;
1424 client_async_callback fail_callback;
1425 void *callback_data;
1427 void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
1428 int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
1429 int ctdb_client_async_control(struct ctdb_context *ctdb,
1430 enum ctdb_controls opcode,
1433 struct timeval timeout,
1434 bool dont_log_errors,
1436 client_async_callback client_callback,
1437 client_async_callback fail_callback,
1438 void *callback_data);
1440 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
1442 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
1444 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
1445 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
1447 int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
1448 struct ctdb_req_control *c);
1449 int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
1450 struct ctdb_req_control *c);
1452 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
1453 unsigned ctdb_addr_to_port(ctdb_sock_addr *addr);
1454 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
1456 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
1457 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
1459 extern int script_log_level;
1461 int ctdb_ctrl_event_script_init(struct ctdb_context *ctdb);
1462 int ctdb_ctrl_event_script_start(struct ctdb_context *ctdb, const char *name);
1463 int ctdb_ctrl_event_script_stop(struct ctdb_context *ctdb, int32_t res);
1464 int ctdb_ctrl_event_script_finished(struct ctdb_context *ctdb);
1465 int ctdb_ctrl_event_script_disabled(struct ctdb_context *ctdb, const char *name);
1467 int32_t ctdb_control_event_script_init(struct ctdb_context *ctdb);
1468 int32_t ctdb_control_event_script_start(struct ctdb_context *ctdb, TDB_DATA indata);
1469 int32_t ctdb_control_event_script_stop(struct ctdb_context *ctdb, TDB_DATA indata);
1470 int32_t ctdb_control_event_script_disabled(struct ctdb_context *ctdb, TDB_DATA indata);
1471 int32_t ctdb_control_event_script_finished(struct ctdb_context *ctdb);
1474 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb, TDB_DATA *outdata);
1476 int ctdb_log_event_script_output(struct ctdb_context *ctdb, char *str, uint16_t len);
1477 int ctdb_ctrl_report_recd_lock_latency(struct ctdb_context *ctdb, struct timeval timeout, double latency);
1479 int32_t ctdb_control_stop_node(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1480 int32_t ctdb_control_continue_node(struct ctdb_context *ctdb);
1482 int ctdb_vacuum_init(struct ctdb_db_context *ctdb_db);
1484 int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1485 int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1487 int32_t ctdb_control_set_ban_state(struct ctdb_context *ctdb, TDB_DATA indata);
1488 int32_t ctdb_control_get_ban_state(struct ctdb_context *ctdb, TDB_DATA *outdata);
1489 int32_t ctdb_control_set_db_priority(struct ctdb_context *ctdb, TDB_DATA indata);