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;
116 an installed ctdb remote call
118 struct ctdb_registered_call {
119 struct ctdb_registered_call *next, *prev;
125 this address structure might need to be generalised later for some
128 struct ctdb_address {
134 check that a pnn is valid
136 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
139 /* called from the queue code when a packet comes in. Called with data==NULL
141 typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
144 /* used for callbacks in ctdb_control requests */
145 typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
146 int32_t status, TDB_DATA data,
147 const char *errormsg,
151 structure describing a connected client in the daemon
154 struct ctdb_context *ctdb;
156 struct ctdb_queue *queue;
159 struct ctdb_tcp_list *tcp_list;
160 uint32_t num_persistent_updates;
164 /* state associated with a public ip address */
166 struct ctdb_vnn *prev, *next;
169 ctdb_sock_addr public_address;
170 uint8_t public_netmask_bits;
172 /* the node number that is serving this public address, if any.
173 If no node serves this ip it is set to -1 */
176 /* List of clients to tickle for this public address */
177 struct ctdb_tcp_array *tcp_array;
179 /* whether we need to update the other nodes with changes to our list
180 of connected clients */
181 bool tcp_update_needed;
183 /* a context to hang sending gratious arp events off */
184 TALLOC_CTX *takeover_ctx;
186 struct ctdb_kill_tcp *killtcp;
190 state associated with one node
193 struct ctdb_context *ctdb;
194 struct ctdb_address address;
195 const char *name; /* for debug messages */
196 void *private_data; /* private to transport */
198 #define NODE_FLAGS_DISCONNECTED 0x00000001 /* node isn't connected */
199 #define NODE_FLAGS_UNHEALTHY 0x00000002 /* monitoring says node is unhealthy */
200 #define NODE_FLAGS_PERMANENTLY_DISABLED 0x00000004 /* administrator has disabled node */
201 #define NODE_FLAGS_BANNED 0x00000008 /* recovery daemon has banned the node */
202 #define NODE_FLAGS_DISABLED (NODE_FLAGS_UNHEALTHY|NODE_FLAGS_PERMANENTLY_DISABLED)
203 #define NODE_FLAGS_INACTIVE (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_BANNED)
206 /* used by the dead node monitoring */
211 /* used to track node capabilities, is only valid/tracked inside the
214 uint32_t capabilities;
216 /* a list of controls pending to this node, so we can time them out quickly
217 if the node becomes disconnected */
218 struct daemon_control_state *pending_controls;
220 /* used by the recovery daemon when distributing ip addresses
221 across the nodes. it needs to know which public ip's can be handled
224 struct ctdb_all_public_ips *public_ips;
228 transport specific methods
230 struct ctdb_methods {
231 int (*initialise)(struct ctdb_context *); /* initialise transport structures */
232 int (*start)(struct ctdb_context *); /* start the transport */
233 int (*add_node)(struct ctdb_node *); /* setup a new node */
234 int (*connect_node)(struct ctdb_node *); /* connect to node */
235 int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
236 void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
237 void (*shutdown)(struct ctdb_context *); /* shutdown transport */
238 void (*restart)(struct ctdb_node *); /* stop and restart the connection */
242 transport calls up to the ctdb layer
244 struct ctdb_upcalls {
245 /* recv_pkt is called when a packet comes in */
246 void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
248 /* node_dead is called when an attempt to send to a node fails */
249 void (*node_dead)(struct ctdb_node *);
251 /* node_connected is called when a connection to a node is established */
252 void (*node_connected)(struct ctdb_node *);
255 /* list of message handlers - needs to be changed to a more efficient data
256 structure so we can find a message handler given a srvid quickly */
257 struct ctdb_message_list {
258 struct ctdb_context *ctdb;
259 struct ctdb_message_list *next, *prev;
261 ctdb_message_fn_t message_handler;
262 void *message_private;
265 /* additional data required for the daemon mode */
266 struct ctdb_daemon_data {
269 struct ctdb_queue *queue;
273 ctdb status information
275 struct ctdb_statistics {
276 uint32_t num_clients;
279 uint32_t client_packets_sent;
280 uint32_t client_packets_recv;
281 uint32_t node_packets_sent;
282 uint32_t node_packets_recv;
283 uint32_t keepalive_packets_sent;
284 uint32_t keepalive_packets_recv;
288 uint32_t req_dmaster;
289 uint32_t reply_dmaster;
290 uint32_t reply_error;
291 uint32_t req_message;
292 uint32_t req_control;
293 uint32_t reply_control;
297 uint32_t req_message;
298 uint32_t req_control;
309 uint32_t total_calls;
310 uint32_t pending_calls;
311 uint32_t lockwait_calls;
312 uint32_t pending_lockwait_calls;
313 uint32_t childwrite_calls;
314 uint32_t pending_childwrite_calls;
315 uint32_t memory_used;
316 uint32_t __last_counter; /* hack for control_statistics_all */
317 uint32_t max_hop_count;
318 double max_call_latency;
319 double max_lockwait_latency;
320 double max_childwrite_latency;
324 #define INVALID_GENERATION 1
325 /* table that contains the mapping between a hash value and lmaster
327 struct ctdb_vnn_map {
334 a wire representation of the vnn map
336 struct ctdb_vnn_map_wire {
342 /* a structure that contains the elements required for the write record
345 struct ctdb_write_record {
349 unsigned char blob[1];
352 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
354 #define CTDB_MONITORING_ACTIVE 0
355 #define CTDB_MONITORING_DISABLED 1
357 /* The different capabilities of the ctdb daemon. */
358 #define CTDB_CAP_RECMASTER 0x00000001
359 #define CTDB_CAP_LMASTER 0x00000002
360 /* This capability is set if CTDB_LVS_PUBLIC_IP is set */
361 #define CTDB_CAP_LVS 0x00000004
363 /* main state of the ctdb daemon */
364 struct ctdb_context {
365 struct event_context *ev;
366 struct timeval ctdbd_start_time;
367 struct timeval last_recovery_started;
368 struct timeval last_recovery_finished;
369 uint32_t recovery_mode;
370 TALLOC_CTX *tickle_update_context;
371 TALLOC_CTX *keepalive_ctx;
372 struct ctdb_tunable tunable;
373 enum ctdb_freeze_mode freeze_mode;
374 struct ctdb_freeze_handle *freeze_handle;
375 struct ctdb_address address;
377 const char *db_directory;
378 const char *db_directory_persistent;
379 const char *transport;
381 char *node_list_file;
382 char *recovery_lock_file;
383 int recovery_lock_fd;
384 uint32_t pnn; /* our own pnn */
386 uint32_t num_connected;
388 uint32_t capabilities;
389 struct idr_context *idr;
391 struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
392 struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
393 struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
395 const struct ctdb_methods *methods; /* transport methods */
396 const struct ctdb_upcalls *upcalls; /* transport upcalls */
397 void *private_data; /* private to transport */
398 struct ctdb_db_context *db_list;
399 struct ctdb_message_list *message_list;
400 struct ctdb_daemon_data daemon;
401 struct ctdb_statistics statistics;
402 struct ctdb_vnn_map *vnn_map;
403 uint32_t num_clients;
404 uint32_t recovery_master;
405 struct ctdb_call_state *pending_calls;
406 struct ctdb_client_ip *client_ip_list;
408 bool do_checkpublicip;
409 void *saved_scheduler_param;
410 struct _trbt_tree_t *server_ids;
411 const char *event_script_dir;
412 const char *notification_script;
413 const char *default_public_interface;
418 struct ctdb_monitor_state *monitor;
419 struct ctdb_log_state *log;
420 int start_as_disabled;
421 uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
422 TALLOC_CTX *eventscripts_ctx; /* a context to hold data for the RUN_EVENTSCRIPTS control */
423 uint32_t *recd_ping_count;
424 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
425 TALLOC_CTX *script_monitoring_ctx; /* a context where we store results while running the monitor event */
426 TALLOC_CTX *last_monitoring_ctx;
429 struct ctdb_db_context {
430 struct ctdb_db_context *next, *prev;
431 struct ctdb_context *ctdb;
436 struct tdb_wrap *ltdb;
437 struct ctdb_registered_call *calls; /* list of registered calls */
439 struct timed_event *te;
440 struct ctdb_traverse_local_handle *traverse;
441 struct ctdb_vacuum_handle *vacuum_handle;
445 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
446 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
447 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
448 return -1; }} while (0)
450 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
451 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
452 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
455 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
456 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
457 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
458 return NULL; }} while (0)
460 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
461 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
462 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
466 the extended header for records in the ltdb
468 struct ctdb_ltdb_header {
475 enum ctdb_controls {CTDB_CONTROL_PROCESS_EXISTS = 0,
476 CTDB_CONTROL_STATISTICS = 1,
478 CTDB_CONTROL_PING = 3,
479 CTDB_CONTROL_GETDBPATH = 4,
480 CTDB_CONTROL_GETVNNMAP = 5,
481 CTDB_CONTROL_SETVNNMAP = 6,
482 CTDB_CONTROL_GET_DEBUG = 7,
483 CTDB_CONTROL_SET_DEBUG = 8,
484 CTDB_CONTROL_GET_DBMAP = 9,
485 CTDB_CONTROL_GET_NODEMAPv4 = 10, /* obsolete */
486 CTDB_CONTROL_SET_DMASTER = 11,
488 CTDB_CONTROL_PULL_DB = 13,
489 CTDB_CONTROL_PUSH_DB = 14,
490 CTDB_CONTROL_GET_RECMODE = 15,
491 CTDB_CONTROL_SET_RECMODE = 16,
492 CTDB_CONTROL_STATISTICS_RESET = 17,
493 CTDB_CONTROL_DB_ATTACH = 18,
494 CTDB_CONTROL_SET_CALL = 19,
495 CTDB_CONTROL_TRAVERSE_START = 20,
496 CTDB_CONTROL_TRAVERSE_ALL = 21,
497 CTDB_CONTROL_TRAVERSE_DATA = 22,
498 CTDB_CONTROL_REGISTER_SRVID = 23,
499 CTDB_CONTROL_DEREGISTER_SRVID = 24,
500 CTDB_CONTROL_GET_DBNAME = 25,
501 CTDB_CONTROL_ENABLE_SEQNUM = 26,
502 CTDB_CONTROL_UPDATE_SEQNUM = 27,
504 CTDB_CONTROL_DUMP_MEMORY = 29,
505 CTDB_CONTROL_GET_PID = 30,
506 CTDB_CONTROL_GET_RECMASTER = 31,
507 CTDB_CONTROL_SET_RECMASTER = 32,
508 CTDB_CONTROL_FREEZE = 33,
509 CTDB_CONTROL_THAW = 34,
510 CTDB_CONTROL_GET_PNN = 35,
511 CTDB_CONTROL_SHUTDOWN = 36,
512 CTDB_CONTROL_GET_MONMODE = 37,
517 CTDB_CONTROL_TAKEOVER_IPv4 = 42, /* obsolete */
518 CTDB_CONTROL_RELEASE_IPv4 = 43, /* obsolete */
519 CTDB_CONTROL_TCP_CLIENT = 44,
520 CTDB_CONTROL_TCP_ADD = 45,
521 CTDB_CONTROL_TCP_REMOVE = 46,
522 CTDB_CONTROL_STARTUP = 47,
523 CTDB_CONTROL_SET_TUNABLE = 48,
524 CTDB_CONTROL_GET_TUNABLE = 49,
525 CTDB_CONTROL_LIST_TUNABLES = 50,
526 CTDB_CONTROL_GET_PUBLIC_IPSv4 = 51, /* obsolete */
527 CTDB_CONTROL_MODIFY_FLAGS = 52,
528 CTDB_CONTROL_GET_ALL_TUNABLES = 53,
529 CTDB_CONTROL_KILL_TCP = 54,
530 CTDB_CONTROL_GET_TCP_TICKLE_LIST = 55,
531 CTDB_CONTROL_SET_TCP_TICKLE_LIST = 56,
532 CTDB_CONTROL_REGISTER_SERVER_ID = 57,
533 CTDB_CONTROL_UNREGISTER_SERVER_ID = 58,
534 CTDB_CONTROL_CHECK_SERVER_ID = 59,
535 CTDB_CONTROL_GET_SERVER_ID_LIST = 60,
536 CTDB_CONTROL_DB_ATTACH_PERSISTENT = 61,
537 CTDB_CONTROL_PERSISTENT_STORE = 62,
538 CTDB_CONTROL_UPDATE_RECORD = 63,
539 CTDB_CONTROL_SEND_GRATIOUS_ARP = 64,
540 CTDB_CONTROL_TRANSACTION_START = 65,
541 CTDB_CONTROL_TRANSACTION_COMMIT = 66,
542 CTDB_CONTROL_WIPE_DATABASE = 67,
544 CTDB_CONTROL_UPTIME = 69,
545 CTDB_CONTROL_START_RECOVERY = 70,
546 CTDB_CONTROL_END_RECOVERY = 71,
547 CTDB_CONTROL_RELOAD_NODES_FILE = 72,
549 CTDB_CONTROL_TRY_DELETE_RECORDS = 74,
550 CTDB_CONTROL_ENABLE_MONITOR = 75,
551 CTDB_CONTROL_DISABLE_MONITOR = 76,
552 CTDB_CONTROL_ADD_PUBLIC_IP = 77,
553 CTDB_CONTROL_DEL_PUBLIC_IP = 78,
554 CTDB_CONTROL_RUN_EVENTSCRIPTS = 79,
555 CTDB_CONTROL_GET_CAPABILITIES = 80,
556 CTDB_CONTROL_START_PERSISTENT_UPDATE = 81,
557 CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE= 82,
558 CTDB_CONTROL_TRANS2_COMMIT = 83,
559 CTDB_CONTROL_TRANS2_FINISHED = 84,
560 CTDB_CONTROL_TRANS2_ERROR = 85,
561 CTDB_CONTROL_TRANS2_COMMIT_RETRY = 86,
562 CTDB_CONTROL_RECD_PING = 87,
563 CTDB_CONTROL_RELEASE_IP = 88,
564 CTDB_CONTROL_TAKEOVER_IP = 89,
565 CTDB_CONTROL_GET_PUBLIC_IPS = 90,
566 CTDB_CONTROL_GET_NODEMAP = 91,
567 CTDB_CONTROL_EVENT_SCRIPT_INIT = 92,
568 CTDB_CONTROL_EVENT_SCRIPT_START = 93,
569 CTDB_CONTROL_EVENT_SCRIPT_STOP = 94,
570 CTDB_CONTROL_EVENT_SCRIPT_FINISHED = 95,
571 CTDB_CONTROL_GET_EVENT_SCRIPT_STATUS = 96,
572 CTDB_CONTROL_TRAVERSE_KILL = 97,
573 CTDB_CONTROL_RECD_RECLOCK_LATENCY = 98,
577 structure passed in set_call control
579 struct ctdb_control_set_call {
586 struct for kill_tcp control
588 struct ctdb_control_killtcp {
589 ctdb_sock_addr src_addr;
590 ctdb_sock_addr dst_addr;
594 struct holding a ctdb_sock_addr and an interface name,
595 used to add/remove public addresses
597 struct ctdb_control_ip_iface {
605 struct holding a ctdb_sock_addr and an interface name,
606 used for send_gratious_arp
608 struct ctdb_control_gratious_arp {
616 struct for tcp_add and tcp_remove controls
618 struct ctdb_control_tcp_vnn {
624 persistent store control - update this record on all other nodes
626 struct ctdb_control_persistent_store {
633 structure used for CTDB_SRVID_NODE_FLAGS_CHANGED
635 struct ctdb_node_flag_change {
642 struct for admin setting a ban
644 struct ctdb_ban_info {
649 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
651 #define CTDB_LMASTER_ANY 0xffffffff
654 state of a in-progress ctdb call
656 struct ctdb_call_state {
657 struct ctdb_call_state *next, *prev;
658 enum call_state state;
660 struct ctdb_req_call *c;
661 struct ctdb_db_context *ctdb_db;
663 struct ctdb_call *call;
666 void (*fn)(struct ctdb_call_state *);
672 /* used for fetch_lock */
673 struct ctdb_fetch_handle {
674 struct ctdb_db_context *ctdb_db;
677 struct ctdb_ltdb_header header;
683 enum ctdb_operation {
686 CTDB_REQ_DMASTER = 2,
687 CTDB_REPLY_DMASTER = 3,
688 CTDB_REPLY_ERROR = 4,
689 CTDB_REQ_MESSAGE = 5,
691 CTDB_REQ_CONTROL = 7,
692 CTDB_REPLY_CONTROL = 8,
693 CTDB_REQ_KEEPALIVE = 9,
696 #define CTDB_MAGIC 0x43544442 /* CTDB */
697 #define CTDB_VERSION 1
702 struct ctdb_req_header {
705 uint32_t ctdb_version;
713 struct ctdb_req_call {
714 struct ctdb_req_header hdr;
720 uint32_t calldatalen;
721 uint8_t data[1]; /* key[] followed by calldata[] */
724 struct ctdb_reply_call {
725 struct ctdb_req_header hdr;
731 struct ctdb_reply_error {
732 struct ctdb_req_header hdr;
738 struct ctdb_req_dmaster {
739 struct ctdb_req_header hdr;
748 struct ctdb_reply_dmaster {
749 struct ctdb_req_header hdr;
757 struct ctdb_req_message {
758 struct ctdb_req_header hdr;
764 struct ctdb_req_getdbpath {
765 struct ctdb_req_header hdr;
769 struct ctdb_reply_getdbpath {
770 struct ctdb_req_header hdr;
775 struct ctdb_req_control {
776 struct ctdb_req_header hdr;
780 #define CTDB_CTRL_FLAG_NOREPLY 1
786 struct ctdb_reply_control {
787 struct ctdb_req_header hdr;
794 struct ctdb_req_keepalive {
795 struct ctdb_req_header hdr;
799 /* types of failures possible from TRANS2_COMMIT */
800 enum ctdb_trans2_commit_error {
801 CTDB_TRANS2_COMMIT_SUCCESS=0, /* all nodes committed successfully */
802 CTDB_TRANS2_COMMIT_TIMEOUT=1, /* at least one node timed out */
803 CTDB_TRANS2_COMMIT_ALLFAIL=2, /* all nodes failed the commit */
804 CTDB_TRANS2_COMMIT_SOMEFAIL=3 /* some nodes failed the commit, some allowed it */
808 /* internal prototypes */
809 void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
810 void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
811 bool ctdb_same_address(struct ctdb_address *a1, struct ctdb_address *a2);
812 int ctdb_parse_address(struct ctdb_context *ctdb,
813 TALLOC_CTX *mem_ctx, const char *str,
814 struct ctdb_address *address);
815 bool ctdb_same_ip(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
816 bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
817 uint32_t ctdb_hash(const TDB_DATA *key);
818 uint32_t ctdb_hash_string(const char *str);
819 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
820 void ctdb_request_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
821 void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
822 void ctdb_reply_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
823 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
824 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
826 uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
827 int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
828 TDB_DATA key, struct ctdb_ltdb_header *header,
829 TALLOC_CTX *mem_ctx, TDB_DATA *data);
830 int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
831 struct ctdb_ltdb_header *header, TDB_DATA data);
832 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
833 struct ctdb_req_control *c,
835 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
836 struct ctdb_req_control *c,
838 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
839 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb, struct ctdb_req_header *hdr, unsigned opcode);
840 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
841 TDB_DATA key, struct ctdb_req_header *hdr,
842 void (*recv_pkt)(void *, struct ctdb_req_header *),
843 void *recv_context, bool ignore_generation);
844 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
845 TDB_DATA key, struct ctdb_ltdb_header *header,
846 struct ctdb_req_header *hdr, TDB_DATA *data,
847 void (*recv_pkt)(void *, struct ctdb_req_header *),
848 void *recv_context, bool ignore_generation);
849 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
851 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
852 struct ctdb_call *call,
853 struct ctdb_ltdb_header *header,
857 int ctdbd_start(struct ctdb_context *ctdb);
858 struct ctdb_call_state *ctdbd_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
859 int ctdbd_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
862 queue a packet for sending
864 int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
867 setup the fd used by the queue
869 int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
872 setup a packet queue on a socket
874 struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
875 TALLOC_CTX *mem_ctx, int fd, int alignment,
877 ctdb_queue_cb_fn_t callback,
881 allocate a packet for use in client<->daemon communication
883 struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
885 enum ctdb_operation operation,
886 size_t length, size_t slength,
888 #define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
889 (type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, sizeof(type), #type)
891 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
893 enum ctdb_operation operation,
894 size_t length, size_t slength,
896 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
897 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, sizeof(type), #type)
901 lock a record in the ltdb, given a key
903 int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
906 unlock a record in the ltdb, given a key
908 int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
912 make a ctdb call to the local daemon - async send. Called from client context.
914 This constructs a ctdb_call request and queues it for processing.
915 This call never blocks.
917 struct ctdb_call_state *ctdb_client_call_send(struct ctdb_db_context *ctdb_db,
918 struct ctdb_call *call);
921 make a recv call to the local ctdb daemon - called from client context
923 This is called when the program wants to wait for a ctdb_call to complete and get the
924 results. This call will block unless the call has already completed.
926 int ctdb_client_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
928 int ctdb_daemon_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
929 ctdb_message_fn_t handler,
932 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t vnn,
933 uint64_t srvid, TDB_DATA data);
938 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
939 uint64_t srvid, TDB_DATA data);
942 struct lockwait_handle *ctdb_lockwait(struct ctdb_db_context *ctdb_db,
944 void (*callback)(void *), void *private_data);
946 struct ctdb_call_state *ctdb_daemon_call_send(struct ctdb_db_context *ctdb_db,
947 struct ctdb_call *call);
949 int ctdb_daemon_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
951 struct ctdb_call_state *ctdb_daemon_call_send_remote(struct ctdb_db_context *ctdb_db,
952 struct ctdb_call *call,
953 struct ctdb_ltdb_header *header);
955 int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
956 struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx, TDB_DATA *data,
959 #define ctdb_reqid_find(ctdb, reqid, type) (type *)_ctdb_reqid_find(ctdb, reqid, #type, __location__)
961 void ctdb_recv_raw_pkt(void *p, uint8_t *data, uint32_t length);
963 int ctdb_socket_connect(struct ctdb_context *ctdb);
965 void ctdb_latency(struct ctdb_db_context *ctdb_db, const char *name, double *latency, struct timeval t);
966 void ctdb_reclock_latency(struct ctdb_context *ctdb, const char *name, double *latency, double l);
968 uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
969 void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
970 void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
972 void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
973 void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
975 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
976 uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
978 ctdb_control_callback_fn_t callback,
981 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
982 TDB_DATA *outdata, uint64_t tdb_flags, bool persistent);
984 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
985 ctdb_fn_t fn, int id);
987 int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
988 uint32_t opcode, uint32_t flags, TDB_DATA data,
989 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
990 struct timeval *timeout, char **errormsg);
991 int ctdb_control_recv(struct ctdb_context *ctdb,
992 struct ctdb_client_control_state *state,
994 TDB_DATA *outdata, int32_t *status, char **errormsg);
996 struct ctdb_client_control_state *
997 ctdb_control_send(struct ctdb_context *ctdb,
998 uint32_t destnode, uint64_t srvid,
999 uint32_t opcode, uint32_t flags, TDB_DATA data,
1000 TALLOC_CTX *mem_ctx,
1001 struct timeval *timeout,
1007 #define CHECK_CONTROL_DATA_SIZE(size) do { \
1008 if (indata.dsize != size) { \
1009 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
1010 opcode, (unsigned)indata.dsize, (unsigned)size)); \
1015 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1016 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1017 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1018 int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1019 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1020 int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1023 struct ctdb_traverse_start {
1030 structure used to pass record data between the child and parent
1032 struct ctdb_rec_data {
1041 /* structure used for pulldb control */
1042 struct ctdb_control_pulldb {
1047 /* structure used for sending lists of records */
1048 struct ctdb_marshall_buffer {
1054 /* set dmaster control structure */
1055 struct ctdb_control_set_dmaster {
1061 structure for setting a tunable
1063 struct ctdb_control_set_tunable {
1070 structure for getting a tunable
1072 struct ctdb_control_get_tunable {
1078 structure for listing tunables
1080 struct ctdb_control_list_tunable {
1082 /* returns a : separated list of tunable names */
1087 /* table that contains a list of all nodes a ctdb knows about and their
1090 struct ctdb_node_and_flags {
1093 ctdb_sock_addr addr;
1096 struct ctdb_node_map {
1098 struct ctdb_node_and_flags nodes[1];
1101 struct ctdb_node_and_flagsv4 {
1104 struct sockaddr_in sin;
1107 struct ctdb_node_mapv4 {
1109 struct ctdb_node_and_flagsv4 nodes[1];
1112 struct ctdb_control_wipe_database {
1114 uint32_t transaction_id;
1118 state of a in-progress ctdb call in client
1120 struct ctdb_client_call_state {
1121 enum call_state state;
1123 struct ctdb_db_context *ctdb_db;
1124 struct ctdb_call *call;
1126 void (*fn)(struct ctdb_client_call_state *);
1132 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
1133 TDB_DATA *outdata, uint32_t srcnode, uint32_t client_id);
1134 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1135 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1136 int32_t ctdb_control_traverse_kill(struct ctdb_context *ctdb, TDB_DATA indata,
1137 TDB_DATA *outdata, uint32_t srcnode);
1139 int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
1141 int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1142 int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
1143 int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1145 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
1146 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
1148 struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
1149 TDB_DATA key, struct ctdb_ltdb_header *, TDB_DATA data);
1151 struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m, struct ctdb_rec_data *r,
1153 struct ctdb_ltdb_header *header,
1154 TDB_DATA *key, TDB_DATA *data);
1156 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1157 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
1158 int32_t ctdb_control_set_dmaster(struct ctdb_context *ctdb, TDB_DATA indata);
1160 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
1161 struct ctdb_req_control *c,
1162 TDB_DATA indata, bool *async_reply,
1163 const char **errormsg);
1164 void ctdb_request_control_reply(struct ctdb_context *ctdb, struct ctdb_req_control *c,
1165 TDB_DATA *outdata, int32_t status, const char *errormsg);
1167 int32_t ctdb_control_freeze(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1168 int32_t ctdb_control_thaw(struct ctdb_context *ctdb);
1170 int ctdb_start_recoverd(struct ctdb_context *ctdb);
1171 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
1173 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
1175 void ctdb_disable_monitoring(struct ctdb_context *ctdb);
1176 void ctdb_enable_monitoring(struct ctdb_context *ctdb);
1177 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
1178 void ctdb_start_monitoring(struct ctdb_context *ctdb);
1179 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
1180 void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
1181 void ctdb_start_keepalive(struct ctdb_context *ctdb);
1182 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
1183 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA data, bool *async_reply);
1186 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node);
1187 void ctdb_call_resend_all(struct ctdb_context *ctdb);
1188 void ctdb_node_dead(struct ctdb_node *node);
1189 void ctdb_node_connected(struct ctdb_node *node);
1190 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
1191 void ctdb_set_scheduler(struct ctdb_context *ctdb);
1192 void ctdb_restore_scheduler(struct ctdb_context *ctdb);
1193 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
1194 struct ctdb_req_control *c,
1197 int32_t ctdb_control_takeover_ipv4(struct ctdb_context *ctdb,
1198 struct ctdb_req_control *c,
1201 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
1202 struct ctdb_req_control *c,
1205 int32_t ctdb_control_release_ipv4(struct ctdb_context *ctdb,
1206 struct ctdb_req_control *c,
1209 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
1210 struct ctdb_req_control *c,
1212 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
1213 struct ctdb_req_control *c,
1216 struct ctdb_public_ipv4 {
1218 struct sockaddr_in sin;
1221 struct ctdb_public_ip {
1223 ctdb_sock_addr addr;
1225 int ctdb_ctrl_takeover_ip(struct ctdb_context *ctdb, struct timeval timeout,
1226 uint32_t destnode, struct ctdb_public_ip *ip);
1227 int ctdb_ctrl_release_ip(struct ctdb_context *ctdb, struct timeval timeout,
1228 uint32_t destnode, struct ctdb_public_ip *ip);
1230 struct ctdb_all_public_ipsv4 {
1232 struct ctdb_public_ipv4 ips[1];
1235 struct ctdb_all_public_ips {
1237 struct ctdb_public_ip ips[1];
1239 int32_t ctdb_control_get_public_ipsv4(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1240 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1241 int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
1242 struct timeval timeout, uint32_t destnode,
1243 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1244 int ctdb_ctrl_get_public_ipsv4(struct ctdb_context *ctdb,
1245 struct timeval timeout, uint32_t destnode,
1246 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1249 /* from takeover/system.c */
1250 uint32_t uint16_checksum(uint16_t *data, size_t n);
1251 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
1252 bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
1253 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
1254 const ctdb_sock_addr *src,
1255 uint32_t seq, uint32_t ack, int rst);
1257 int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
1258 int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
1259 int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
1260 int ctdb_set_notification_script(struct ctdb_context *ctdb, const char *script);
1261 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
1263 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
1265 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata);
1266 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
1267 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
1268 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1269 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
1270 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1271 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
1273 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
1274 int ctdb_event_script(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
1275 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1276 struct timeval timeout,
1277 TALLOC_CTX *mem_ctx,
1278 void (*callback)(struct ctdb_context *, int, void *),
1280 const char *fmt, ...) PRINTF_ATTRIBUTE(6,7);
1281 void ctdb_release_all_ips(struct ctdb_context *ctdb);
1283 void set_nonblocking(int fd);
1284 void set_close_on_exec(int fd);
1286 bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
1288 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
1290 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1292 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1293 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
1294 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1295 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1296 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1298 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1300 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
1302 int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
1303 struct timeval timeout,
1305 struct ctdb_tunable *tunables);
1307 void ctdb_start_freeze(struct ctdb_context *ctdb);
1309 bool parse_ip_mask(const char *s, const char *iface, ctdb_sock_addr *addr, unsigned *mask);
1310 bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
1311 bool parse_ip(const char *s, const char *iface, unsigned port, ctdb_sock_addr *addr);
1312 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
1315 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
1316 int ctdb_sys_close_capture_socket(void *private_data);
1317 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);
1319 int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
1320 struct timeval timeout,
1322 struct ctdb_control_killtcp *killtcp);
1324 int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
1325 struct timeval timeout,
1327 struct ctdb_control_ip_iface *pub);
1329 int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
1330 struct timeval timeout,
1332 struct ctdb_control_ip_iface *pub);
1334 int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
1335 struct timeval timeout,
1337 ctdb_sock_addr *addr,
1338 const char *ifname);
1340 int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
1341 struct timeval timeout,
1343 TALLOC_CTX *mem_ctx,
1344 ctdb_sock_addr *addr,
1345 struct ctdb_control_tcp_tickle_list **list);
1348 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
1351 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
1353 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
1355 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
1357 int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
1360 int ctdb_attach_persistent(struct ctdb_context *ctdb);
1362 int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
1363 struct ctdb_req_control *c,
1364 TDB_DATA recdata, bool *async_reply);
1365 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1366 struct ctdb_req_control *c, TDB_DATA recdata,
1368 int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
1369 struct ctdb_req_control *c,
1370 TDB_DATA recdata, bool *async_reply);
1372 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
1373 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
1374 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
1377 int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
1378 int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
1380 void ctdb_block_signal(int signum);
1381 void ctdb_unblock_signal(int signum);
1382 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
1383 int ctdb_set_child_logging(struct ctdb_context *ctdb);
1386 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
1388 struct client_async_data {
1389 enum ctdb_controls opcode;
1390 bool dont_log_errors;
1392 uint32_t fail_count;
1393 client_async_callback callback;
1394 client_async_callback fail_callback;
1395 void *callback_data;
1397 void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
1398 int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
1399 int ctdb_client_async_control(struct ctdb_context *ctdb,
1400 enum ctdb_controls opcode,
1402 struct timeval timeout,
1403 bool dont_log_errors,
1405 client_async_callback client_callback,
1406 client_async_callback fail_callback,
1407 void *callback_data);
1409 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
1411 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
1413 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
1414 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
1416 int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
1417 struct ctdb_req_control *c);
1418 int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
1419 struct ctdb_req_control *c);
1421 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
1422 unsigned ctdb_addr_to_port(ctdb_sock_addr *addr);
1423 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
1425 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
1426 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
1428 extern int script_log_level;
1430 int ctdb_ctrl_event_script_init(struct ctdb_context *ctdb);
1431 int ctdb_ctrl_event_script_start(struct ctdb_context *ctdb, const char *name);
1432 int ctdb_ctrl_event_script_stop(struct ctdb_context *ctdb, int32_t res);
1433 int ctdb_ctrl_event_script_finished(struct ctdb_context *ctdb);
1435 int32_t ctdb_control_event_script_init(struct ctdb_context *ctdb);
1436 int32_t ctdb_control_event_script_start(struct ctdb_context *ctdb, TDB_DATA indata);
1437 int32_t ctdb_control_event_script_stop(struct ctdb_context *ctdb, TDB_DATA indata);
1438 int32_t ctdb_control_event_script_finished(struct ctdb_context *ctdb);
1441 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb, TDB_DATA *outdata);
1443 int ctdb_log_event_script_output(struct ctdb_context *ctdb, char *str, uint16_t len);
1444 int ctdb_ctrl_report_recd_lock_latency(struct ctdb_context *ctdb, struct timeval timeout, double latency);
1446 int ctdb_vacuum_init(struct ctdb_db_context *ctdb_db);