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 description for a TAKEOVER_RUN message reply address
51 struct takeover_run_reply {
57 * pid of the ctdbd daemon
59 extern pid_t ctdbd_pid;
62 a tcp connection description
64 struct ctdb_tcp_connection {
65 ctdb_sock_addr src_addr;
66 ctdb_sock_addr dst_addr;
69 /* the wire representation for a tcp tickle array */
70 struct ctdb_tcp_wire_array {
72 struct ctdb_tcp_connection connections[1];
75 /* the list of tcp tickles used by get/set tcp tickle list */
76 struct ctdb_control_tcp_tickle_list {
78 struct ctdb_tcp_wire_array tickles;
82 array of tcp connections
84 struct ctdb_tcp_array {
86 struct ctdb_tcp_connection *connections;
90 /* all tunable variables go in here */
92 uint32_t max_redirect_count;
93 uint32_t seqnum_interval; /* unit is ms */
94 uint32_t control_timeout;
95 uint32_t traverse_timeout;
96 uint32_t keepalive_interval;
97 uint32_t keepalive_limit;
99 uint32_t recover_timeout;
100 uint32_t recover_interval;
101 uint32_t election_timeout;
102 uint32_t takeover_timeout;
103 uint32_t monitor_interval;
104 uint32_t tickle_update_interval;
105 uint32_t script_timeout;
106 uint32_t script_ban_count; /* ban after this many consec timeouts*/
107 uint32_t script_unhealthy_on_timeout; /* don't ban on timeout; set node unhealthy */
108 uint32_t recovery_grace_period;
109 uint32_t recovery_ban_period;
110 uint32_t database_hash_size;
111 uint32_t database_max_dead;
112 uint32_t rerecovery_timeout;
113 uint32_t enable_bans;
114 uint32_t deterministic_public_ips;
115 uint32_t reclock_ping_period;
116 uint32_t no_ip_failback;
117 uint32_t verbose_memory_names;
118 uint32_t recd_ping_timeout;
119 uint32_t recd_ping_failcount;
120 uint32_t log_latency_ms;
121 uint32_t reclock_latency_ms;
122 uint32_t recovery_drop_all_ips;
123 uint32_t verify_recovery_lock;
124 uint32_t vacuum_default_interval;
125 uint32_t vacuum_max_run_time;
126 uint32_t repack_limit;
127 uint32_t vacuum_limit;
128 uint32_t vacuum_min_interval;
129 uint32_t vacuum_max_interval;
130 uint32_t max_queue_depth_drop_msg;
131 uint32_t use_status_events_for_monitoring;
135 an installed ctdb remote call
137 struct ctdb_registered_call {
138 struct ctdb_registered_call *next, *prev;
144 this address structure might need to be generalised later for some
147 struct ctdb_address {
153 check that a pnn is valid
155 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
158 /* called from the queue code when a packet comes in. Called with data==NULL
160 typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
163 /* used for callbacks in ctdb_control requests */
164 typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
165 int32_t status, TDB_DATA data,
166 const char *errormsg,
169 structure describing a connected client in the daemon
172 struct ctdb_context *ctdb;
174 struct ctdb_queue *queue;
177 struct ctdb_tcp_list *tcp_list;
179 uint32_t num_persistent_updates;
180 struct ctdb_client_notify_list *notify;
184 /* state associated with a public ip address */
186 struct ctdb_vnn *prev, *next;
189 ctdb_sock_addr public_address;
190 uint8_t public_netmask_bits;
192 /* the node number that is serving this public address, if any.
193 If no node serves this ip it is set to -1 */
196 /* List of clients to tickle for this public address */
197 struct ctdb_tcp_array *tcp_array;
199 /* whether we need to update the other nodes with changes to our list
200 of connected clients */
201 bool tcp_update_needed;
203 /* a context to hang sending gratious arp events off */
204 TALLOC_CTX *takeover_ctx;
206 struct ctdb_kill_tcp *killtcp;
210 state associated with one node
213 struct ctdb_context *ctdb;
214 struct ctdb_address address;
215 const char *name; /* for debug messages */
216 void *private_data; /* private to transport */
218 #define NODE_FLAGS_DISCONNECTED 0x00000001 /* node isn't connected */
219 #define NODE_FLAGS_UNHEALTHY 0x00000002 /* monitoring says node is unhealthy */
220 #define NODE_FLAGS_PERMANENTLY_DISABLED 0x00000004 /* administrator has disabled node */
221 #define NODE_FLAGS_BANNED 0x00000008 /* recovery daemon has banned the node */
222 #define NODE_FLAGS_DELETED 0x00000010 /* this node has been deleted */
223 #define NODE_FLAGS_STOPPED 0x00000020 /* this node has been stopped */
224 #define NODE_FLAGS_DISABLED (NODE_FLAGS_UNHEALTHY|NODE_FLAGS_PERMANENTLY_DISABLED)
225 #define NODE_FLAGS_INACTIVE (NODE_FLAGS_DELETED|NODE_FLAGS_DISCONNECTED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)
228 /* used by the dead node monitoring */
233 /* used to track node capabilities, is only valid/tracked inside the
236 uint32_t capabilities;
238 /* a list of controls pending to this node, so we can time them out quickly
239 if the node becomes disconnected */
240 struct daemon_control_state *pending_controls;
242 /* used by the recovery daemon when distributing ip addresses
243 across the nodes. it needs to know which public ip's can be handled
246 struct ctdb_all_public_ips *public_ips;
247 /* used by the recovery dameon to track when a node should be banned */
248 struct ctdb_banning_state *ban_state;
252 transport specific methods
254 struct ctdb_methods {
255 int (*initialise)(struct ctdb_context *); /* initialise transport structures */
256 int (*start)(struct ctdb_context *); /* start the transport */
257 int (*add_node)(struct ctdb_node *); /* setup a new node */
258 int (*connect_node)(struct ctdb_node *); /* connect to node */
259 int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
260 void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
261 void (*shutdown)(struct ctdb_context *); /* shutdown transport */
262 void (*restart)(struct ctdb_node *); /* stop and restart the connection */
266 transport calls up to the ctdb layer
268 struct ctdb_upcalls {
269 /* recv_pkt is called when a packet comes in */
270 void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
272 /* node_dead is called when an attempt to send to a node fails */
273 void (*node_dead)(struct ctdb_node *);
275 /* node_connected is called when a connection to a node is established */
276 void (*node_connected)(struct ctdb_node *);
279 /* list of message handlers - needs to be changed to a more efficient data
280 structure so we can find a message handler given a srvid quickly */
281 struct ctdb_message_list {
282 struct ctdb_context *ctdb;
283 struct ctdb_message_list *next, *prev;
285 ctdb_message_fn_t message_handler;
286 void *message_private;
289 /* additional data required for the daemon mode */
290 struct ctdb_daemon_data {
293 struct ctdb_queue *queue;
297 ctdb status information
299 struct ctdb_statistics {
300 uint32_t num_clients;
303 uint32_t client_packets_sent;
304 uint32_t client_packets_recv;
305 uint32_t node_packets_sent;
306 uint32_t node_packets_recv;
307 uint32_t keepalive_packets_sent;
308 uint32_t keepalive_packets_recv;
312 uint32_t req_dmaster;
313 uint32_t reply_dmaster;
314 uint32_t reply_error;
315 uint32_t req_message;
316 uint32_t req_control;
317 uint32_t reply_control;
321 uint32_t req_message;
322 uint32_t req_control;
333 uint32_t total_calls;
334 uint32_t pending_calls;
335 uint32_t lockwait_calls;
336 uint32_t pending_lockwait_calls;
337 uint32_t childwrite_calls;
338 uint32_t pending_childwrite_calls;
339 uint32_t memory_used;
340 uint32_t __last_counter; /* hack for control_statistics_all */
341 uint32_t max_hop_count;
342 double max_call_latency;
343 double max_lockwait_latency;
344 double max_childwrite_latency;
348 #define INVALID_GENERATION 1
349 /* table that contains the mapping between a hash value and lmaster
351 struct ctdb_vnn_map {
358 a wire representation of the vnn map
360 struct ctdb_vnn_map_wire {
366 /* a structure that contains the elements required for the write record
369 struct ctdb_write_record {
373 unsigned char blob[1];
376 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
378 #define CTDB_MONITORING_ACTIVE 0
379 #define CTDB_MONITORING_DISABLED 1
381 /* The different capabilities of the ctdb daemon. */
382 #define CTDB_CAP_RECMASTER 0x00000001
383 #define CTDB_CAP_LMASTER 0x00000002
384 /* This capability is set if CTDB_LVS_PUBLIC_IP is set */
385 #define CTDB_CAP_LVS 0x00000004
386 /* This capability is set if NATGW is enabled */
387 #define CTDB_CAP_NATGW 0x00000008
389 #define NUM_DB_PRIORITIES 3
390 /* main state of the ctdb daemon */
391 struct ctdb_context {
392 struct event_context *ev;
393 struct timeval ctdbd_start_time;
394 struct timeval last_recovery_started;
395 struct timeval last_recovery_finished;
396 uint32_t recovery_mode;
397 TALLOC_CTX *tickle_update_context;
398 TALLOC_CTX *keepalive_ctx;
399 struct ctdb_tunable tunable;
400 enum ctdb_freeze_mode freeze_mode[NUM_DB_PRIORITIES+1];
401 struct ctdb_freeze_handle *freeze_handles[NUM_DB_PRIORITIES+1];
402 bool freeze_transaction_started;
403 uint32_t freeze_transaction_id;
404 struct ctdb_address address;
406 const char *db_directory;
407 const char *db_directory_persistent;
408 const char *transport;
409 char *recovery_lock_file;
410 int recovery_lock_fd;
411 uint32_t pnn; /* our own pnn */
413 uint32_t num_connected;
415 uint32_t capabilities;
416 struct idr_context *idr;
418 struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
419 struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
420 struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
422 const struct ctdb_methods *methods; /* transport methods */
423 const struct ctdb_upcalls *upcalls; /* transport upcalls */
424 void *private_data; /* private to transport */
425 struct ctdb_db_context *db_list;
426 struct ctdb_message_list *message_list;
427 struct ctdb_daemon_data daemon;
428 struct ctdb_statistics statistics;
429 struct ctdb_vnn_map *vnn_map;
430 uint32_t num_clients;
431 uint32_t recovery_master;
432 struct ctdb_call_state *pending_calls;
433 struct ctdb_client_ip *client_ip_list;
435 bool do_checkpublicip;
436 void *saved_scheduler_param;
437 struct _trbt_tree_t *server_ids;
438 const char *event_script_dir;
439 const char *notification_script;
440 const char *default_public_interface;
446 struct ctdb_monitor_state *monitor;
447 struct ctdb_log_state *log;
448 int start_as_disabled;
449 int start_as_stopped;
450 uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
451 uint32_t *recd_ping_count;
452 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
454 TALLOC_CTX *event_script_ctx;
456 struct ctdb_event_script_state *current_monitor;
457 struct ctdb_scripts_wire *last_status[CTDB_EVENT_MAX];
459 TALLOC_CTX *banning_ctx;
461 /* mapping from pid to ctdb_client * */
462 struct ctdb_client_pid_list *client_pids;
465 struct ctdb_db_context {
466 struct ctdb_db_context *next, *prev;
467 struct ctdb_context *ctdb;
473 struct tdb_wrap *ltdb;
474 struct ctdb_registered_call *calls; /* list of registered calls */
476 struct timed_event *te;
477 struct ctdb_traverse_local_handle *traverse;
478 bool transaction_active;
479 struct ctdb_vacuum_handle *vacuum_handle;
483 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
484 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
485 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
486 return -1; }} while (0)
488 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
489 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
490 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
493 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
494 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
495 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
496 return NULL; }} while (0)
498 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
499 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
500 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
504 the extended header for records in the ltdb
506 struct ctdb_ltdb_header {
513 enum ctdb_controls {CTDB_CONTROL_PROCESS_EXISTS = 0,
514 CTDB_CONTROL_STATISTICS = 1,
516 CTDB_CONTROL_PING = 3,
517 CTDB_CONTROL_GETDBPATH = 4,
518 CTDB_CONTROL_GETVNNMAP = 5,
519 CTDB_CONTROL_SETVNNMAP = 6,
520 CTDB_CONTROL_GET_DEBUG = 7,
521 CTDB_CONTROL_SET_DEBUG = 8,
522 CTDB_CONTROL_GET_DBMAP = 9,
523 CTDB_CONTROL_GET_NODEMAPv4 = 10, /* obsolete */
524 CTDB_CONTROL_SET_DMASTER = 11,
526 CTDB_CONTROL_PULL_DB = 13,
527 CTDB_CONTROL_PUSH_DB = 14,
528 CTDB_CONTROL_GET_RECMODE = 15,
529 CTDB_CONTROL_SET_RECMODE = 16,
530 CTDB_CONTROL_STATISTICS_RESET = 17,
531 CTDB_CONTROL_DB_ATTACH = 18,
532 CTDB_CONTROL_SET_CALL = 19,
533 CTDB_CONTROL_TRAVERSE_START = 20,
534 CTDB_CONTROL_TRAVERSE_ALL = 21,
535 CTDB_CONTROL_TRAVERSE_DATA = 22,
536 CTDB_CONTROL_REGISTER_SRVID = 23,
537 CTDB_CONTROL_DEREGISTER_SRVID = 24,
538 CTDB_CONTROL_GET_DBNAME = 25,
539 CTDB_CONTROL_ENABLE_SEQNUM = 26,
540 CTDB_CONTROL_UPDATE_SEQNUM = 27,
542 CTDB_CONTROL_DUMP_MEMORY = 29,
543 CTDB_CONTROL_GET_PID = 30,
544 CTDB_CONTROL_GET_RECMASTER = 31,
545 CTDB_CONTROL_SET_RECMASTER = 32,
546 CTDB_CONTROL_FREEZE = 33,
547 CTDB_CONTROL_THAW = 34,
548 CTDB_CONTROL_GET_PNN = 35,
549 CTDB_CONTROL_SHUTDOWN = 36,
550 CTDB_CONTROL_GET_MONMODE = 37,
555 CTDB_CONTROL_TAKEOVER_IPv4 = 42, /* obsolete */
556 CTDB_CONTROL_RELEASE_IPv4 = 43, /* obsolete */
557 CTDB_CONTROL_TCP_CLIENT = 44,
558 CTDB_CONTROL_TCP_ADD = 45,
559 CTDB_CONTROL_TCP_REMOVE = 46,
560 CTDB_CONTROL_STARTUP = 47,
561 CTDB_CONTROL_SET_TUNABLE = 48,
562 CTDB_CONTROL_GET_TUNABLE = 49,
563 CTDB_CONTROL_LIST_TUNABLES = 50,
564 CTDB_CONTROL_GET_PUBLIC_IPSv4 = 51, /* obsolete */
565 CTDB_CONTROL_MODIFY_FLAGS = 52,
566 CTDB_CONTROL_GET_ALL_TUNABLES = 53,
567 CTDB_CONTROL_KILL_TCP = 54,
568 CTDB_CONTROL_GET_TCP_TICKLE_LIST = 55,
569 CTDB_CONTROL_SET_TCP_TICKLE_LIST = 56,
570 CTDB_CONTROL_REGISTER_SERVER_ID = 57,
571 CTDB_CONTROL_UNREGISTER_SERVER_ID = 58,
572 CTDB_CONTROL_CHECK_SERVER_ID = 59,
573 CTDB_CONTROL_GET_SERVER_ID_LIST = 60,
574 CTDB_CONTROL_DB_ATTACH_PERSISTENT = 61,
575 CTDB_CONTROL_PERSISTENT_STORE = 62,
576 CTDB_CONTROL_UPDATE_RECORD = 63,
577 CTDB_CONTROL_SEND_GRATIOUS_ARP = 64,
578 CTDB_CONTROL_TRANSACTION_START = 65,
579 CTDB_CONTROL_TRANSACTION_COMMIT = 66,
580 CTDB_CONTROL_WIPE_DATABASE = 67,
582 CTDB_CONTROL_UPTIME = 69,
583 CTDB_CONTROL_START_RECOVERY = 70,
584 CTDB_CONTROL_END_RECOVERY = 71,
585 CTDB_CONTROL_RELOAD_NODES_FILE = 72,
587 CTDB_CONTROL_TRY_DELETE_RECORDS = 74,
588 CTDB_CONTROL_ENABLE_MONITOR = 75,
589 CTDB_CONTROL_DISABLE_MONITOR = 76,
590 CTDB_CONTROL_ADD_PUBLIC_IP = 77,
591 CTDB_CONTROL_DEL_PUBLIC_IP = 78,
592 CTDB_CONTROL_RUN_EVENTSCRIPTS = 79,
593 CTDB_CONTROL_GET_CAPABILITIES = 80,
594 CTDB_CONTROL_START_PERSISTENT_UPDATE = 81,
595 CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE= 82,
596 CTDB_CONTROL_TRANS2_COMMIT = 83,
597 CTDB_CONTROL_TRANS2_FINISHED = 84,
598 CTDB_CONTROL_TRANS2_ERROR = 85,
599 CTDB_CONTROL_TRANS2_COMMIT_RETRY = 86,
600 CTDB_CONTROL_RECD_PING = 87,
601 CTDB_CONTROL_RELEASE_IP = 88,
602 CTDB_CONTROL_TAKEOVER_IP = 89,
603 CTDB_CONTROL_GET_PUBLIC_IPS = 90,
604 CTDB_CONTROL_GET_NODEMAP = 91,
605 CTDB_CONTROL_GET_EVENT_SCRIPT_STATUS = 96,
606 CTDB_CONTROL_TRAVERSE_KILL = 97,
607 CTDB_CONTROL_RECD_RECLOCK_LATENCY = 98,
608 CTDB_CONTROL_GET_RECLOCK_FILE = 99,
609 CTDB_CONTROL_SET_RECLOCK_FILE = 100,
610 CTDB_CONTROL_STOP_NODE = 101,
611 CTDB_CONTROL_CONTINUE_NODE = 102,
612 CTDB_CONTROL_SET_NATGWSTATE = 103,
613 CTDB_CONTROL_SET_LMASTERROLE = 104,
614 CTDB_CONTROL_SET_RECMASTERROLE = 105,
615 CTDB_CONTROL_ENABLE_SCRIPT = 107,
616 CTDB_CONTROL_DISABLE_SCRIPT = 108,
617 CTDB_CONTROL_SET_BAN_STATE = 109,
618 CTDB_CONTROL_GET_BAN_STATE = 110,
619 CTDB_CONTROL_SET_DB_PRIORITY = 111,
620 CTDB_CONTROL_GET_DB_PRIORITY = 112,
621 CTDB_CONTROL_TRANSACTION_CANCEL = 113,
622 CTDB_CONTROL_REGISTER_NOTIFY = 114,
623 CTDB_CONTROL_DEREGISTER_NOTIFY = 115,
624 CTDB_CONTROL_TRANS2_ACTIVE = 116,
625 CTDB_CONTROL_GET_LOG = 117,
626 CTDB_CONTROL_CLEAR_LOG = 118,
630 structure passed in set_call control
632 struct ctdb_control_set_call {
639 struct for kill_tcp control
641 struct ctdb_control_killtcp {
642 ctdb_sock_addr src_addr;
643 ctdb_sock_addr dst_addr;
647 struct holding a ctdb_sock_addr and an interface name,
648 used to add/remove public addresses
650 struct ctdb_control_ip_iface {
658 struct holding a ctdb_sock_addr and an interface name,
659 used for send_gratious_arp
661 struct ctdb_control_gratious_arp {
669 struct for tcp_add and tcp_remove controls
671 struct ctdb_control_tcp_vnn {
677 persistent store control - update this record on all other nodes
679 struct ctdb_control_persistent_store {
686 structure used for CTDB_SRVID_NODE_FLAGS_CHANGED
688 struct ctdb_node_flag_change {
695 struct for admin setting a ban
697 struct ctdb_ban_info {
702 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
704 #define CTDB_LMASTER_ANY 0xffffffff
707 state of a in-progress ctdb call
709 struct ctdb_call_state {
710 struct ctdb_call_state *next, *prev;
711 enum call_state state;
713 struct ctdb_req_call *c;
714 struct ctdb_db_context *ctdb_db;
716 struct ctdb_call *call;
719 void (*fn)(struct ctdb_call_state *);
725 /* used for fetch_lock */
726 struct ctdb_fetch_handle {
727 struct ctdb_db_context *ctdb_db;
730 struct ctdb_ltdb_header header;
736 enum ctdb_operation {
739 CTDB_REQ_DMASTER = 2,
740 CTDB_REPLY_DMASTER = 3,
741 CTDB_REPLY_ERROR = 4,
742 CTDB_REQ_MESSAGE = 5,
744 CTDB_REQ_CONTROL = 7,
745 CTDB_REPLY_CONTROL = 8,
746 CTDB_REQ_KEEPALIVE = 9,
749 #define CTDB_MAGIC 0x43544442 /* CTDB */
750 #define CTDB_VERSION 1
755 struct ctdb_req_header {
758 uint32_t ctdb_version;
766 struct ctdb_req_call {
767 struct ctdb_req_header hdr;
773 uint32_t calldatalen;
774 uint8_t data[1]; /* key[] followed by calldata[] */
777 struct ctdb_reply_call {
778 struct ctdb_req_header hdr;
784 struct ctdb_reply_error {
785 struct ctdb_req_header hdr;
791 struct ctdb_req_dmaster {
792 struct ctdb_req_header hdr;
801 struct ctdb_reply_dmaster {
802 struct ctdb_req_header hdr;
810 struct ctdb_req_message {
811 struct ctdb_req_header hdr;
817 struct ctdb_req_getdbpath {
818 struct ctdb_req_header hdr;
822 struct ctdb_reply_getdbpath {
823 struct ctdb_req_header hdr;
828 struct ctdb_req_control {
829 struct ctdb_req_header hdr;
833 #define CTDB_CTRL_FLAG_NOREPLY 1
839 struct ctdb_reply_control {
840 struct ctdb_req_header hdr;
847 struct ctdb_req_keepalive {
848 struct ctdb_req_header hdr;
852 /* types of failures possible from TRANS2_COMMIT */
853 enum ctdb_trans2_commit_error {
854 CTDB_TRANS2_COMMIT_SUCCESS=0, /* all nodes committed successfully */
855 CTDB_TRANS2_COMMIT_TIMEOUT=1, /* at least one node timed out */
856 CTDB_TRANS2_COMMIT_ALLFAIL=2, /* all nodes failed the commit */
857 CTDB_TRANS2_COMMIT_SOMEFAIL=3 /* some nodes failed the commit, some allowed it */
860 /* internal prototypes */
861 void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
862 void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
863 bool ctdb_same_address(struct ctdb_address *a1, struct ctdb_address *a2);
864 int ctdb_parse_address(struct ctdb_context *ctdb,
865 TALLOC_CTX *mem_ctx, const char *str,
866 struct ctdb_address *address);
867 bool ctdb_same_ip(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
868 bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
869 uint32_t ctdb_hash(const TDB_DATA *key);
870 uint32_t ctdb_hash_string(const char *str);
871 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
872 void ctdb_request_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
873 void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
874 void ctdb_reply_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
875 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
876 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
878 uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
879 int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
880 TDB_DATA key, struct ctdb_ltdb_header *header,
881 TALLOC_CTX *mem_ctx, TDB_DATA *data);
882 int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
883 struct ctdb_ltdb_header *header, TDB_DATA data);
884 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
885 struct ctdb_req_control *c,
887 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
888 struct ctdb_req_control *c,
890 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
891 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb, struct ctdb_req_header *hdr, unsigned opcode);
892 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
893 TDB_DATA key, struct ctdb_req_header *hdr,
894 void (*recv_pkt)(void *, struct ctdb_req_header *),
895 void *recv_context, bool ignore_generation);
896 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
897 TDB_DATA key, struct ctdb_ltdb_header *header,
898 struct ctdb_req_header *hdr, TDB_DATA *data,
899 void (*recv_pkt)(void *, struct ctdb_req_header *),
900 void *recv_context, bool ignore_generation);
901 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
903 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
904 struct ctdb_call *call,
905 struct ctdb_ltdb_header *header,
909 int ctdbd_start(struct ctdb_context *ctdb);
910 struct ctdb_call_state *ctdbd_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
911 int ctdbd_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
914 queue a packet for sending
916 int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
919 setup the fd used by the queue
921 int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
924 setup a packet queue on a socket
926 struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
927 TALLOC_CTX *mem_ctx, int fd, int alignment,
929 ctdb_queue_cb_fn_t callback,
933 allocate a packet for use in client<->daemon communication
935 struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
937 enum ctdb_operation operation,
938 size_t length, size_t slength,
940 #define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
941 (type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, sizeof(type), #type)
943 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
945 enum ctdb_operation operation,
946 size_t length, size_t slength,
948 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
949 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, sizeof(type), #type)
951 int ctdb_queue_length(struct ctdb_queue *queue);
954 lock a record in the ltdb, given a key
956 int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
959 unlock a record in the ltdb, given a key
961 int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
965 make a ctdb call to the local daemon - async send. Called from client context.
967 This constructs a ctdb_call request and queues it for processing.
968 This call never blocks.
970 struct ctdb_call_state *ctdb_client_call_send(struct ctdb_db_context *ctdb_db,
971 struct ctdb_call *call);
974 make a recv call to the local ctdb daemon - called from client context
976 This is called when the program wants to wait for a ctdb_call to complete and get the
977 results. This call will block unless the call has already completed.
979 int ctdb_client_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
981 int ctdb_daemon_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
982 ctdb_message_fn_t handler,
985 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t vnn,
986 uint64_t srvid, TDB_DATA data);
991 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
992 uint64_t srvid, TDB_DATA data);
995 struct lockwait_handle *ctdb_lockwait(struct ctdb_db_context *ctdb_db,
997 void (*callback)(void *), void *private_data);
999 struct ctdb_call_state *ctdb_daemon_call_send(struct ctdb_db_context *ctdb_db,
1000 struct ctdb_call *call);
1002 int ctdb_daemon_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
1004 struct ctdb_call_state *ctdb_daemon_call_send_remote(struct ctdb_db_context *ctdb_db,
1005 struct ctdb_call *call,
1006 struct ctdb_ltdb_header *header);
1008 int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
1009 struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx, TDB_DATA *data,
1012 #define ctdb_reqid_find(ctdb, reqid, type) (type *)_ctdb_reqid_find(ctdb, reqid, #type, __location__)
1014 void ctdb_recv_raw_pkt(void *p, uint8_t *data, uint32_t length);
1016 int ctdb_socket_connect(struct ctdb_context *ctdb);
1018 void ctdb_latency(struct ctdb_db_context *ctdb_db, const char *name, double *latency, struct timeval t);
1019 void ctdb_reclock_latency(struct ctdb_context *ctdb, const char *name, double *latency, double l);
1021 uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
1022 void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
1023 void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
1025 void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
1026 void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
1028 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
1029 uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
1031 ctdb_control_callback_fn_t callback,
1032 void *private_data);
1034 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
1035 TDB_DATA *outdata, uint64_t tdb_flags, bool persistent);
1037 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
1038 ctdb_fn_t fn, int id);
1040 int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
1041 uint32_t opcode, uint32_t flags, TDB_DATA data,
1042 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
1043 struct timeval *timeout, char **errormsg);
1044 int ctdb_control_recv(struct ctdb_context *ctdb,
1045 struct ctdb_client_control_state *state,
1046 TALLOC_CTX *mem_ctx,
1047 TDB_DATA *outdata, int32_t *status, char **errormsg);
1049 struct ctdb_client_control_state *
1050 ctdb_control_send(struct ctdb_context *ctdb,
1051 uint32_t destnode, uint64_t srvid,
1052 uint32_t opcode, uint32_t flags, TDB_DATA data,
1053 TALLOC_CTX *mem_ctx,
1054 struct timeval *timeout,
1060 #define CHECK_CONTROL_DATA_SIZE(size) do { \
1061 if (indata.dsize != size) { \
1062 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
1063 opcode, (unsigned)indata.dsize, (unsigned)size)); \
1068 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1069 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1070 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1071 int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1072 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1073 int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1076 struct ctdb_traverse_start {
1083 structure used to pass record data between the child and parent
1085 struct ctdb_rec_data {
1094 /* structure used for pulldb control */
1095 struct ctdb_control_pulldb {
1100 /* structure used for sending lists of records */
1101 struct ctdb_marshall_buffer {
1107 /* set dmaster control structure */
1108 struct ctdb_control_set_dmaster {
1114 structure for setting a tunable
1116 struct ctdb_control_set_tunable {
1123 structure for getting a tunable
1125 struct ctdb_control_get_tunable {
1131 structure for listing tunables
1133 struct ctdb_control_list_tunable {
1135 /* returns a : separated list of tunable names */
1140 /* table that contains a list of all nodes a ctdb knows about and their
1143 struct ctdb_node_and_flags {
1146 ctdb_sock_addr addr;
1149 struct ctdb_node_map {
1151 struct ctdb_node_and_flags nodes[1];
1154 struct ctdb_node_and_flagsv4 {
1157 struct sockaddr_in sin;
1160 struct ctdb_node_mapv4 {
1162 struct ctdb_node_and_flagsv4 nodes[1];
1165 struct ctdb_control_wipe_database {
1167 uint32_t transaction_id;
1171 state of a in-progress ctdb call in client
1173 struct ctdb_client_call_state {
1174 enum call_state state;
1176 struct ctdb_db_context *ctdb_db;
1177 struct ctdb_call *call;
1179 void (*fn)(struct ctdb_client_call_state *);
1185 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
1186 TDB_DATA *outdata, uint32_t srcnode, uint32_t client_id);
1187 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1188 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1189 int32_t ctdb_control_traverse_kill(struct ctdb_context *ctdb, TDB_DATA indata,
1190 TDB_DATA *outdata, uint32_t srcnode);
1192 int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
1194 int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1195 int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
1196 int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1198 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
1199 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
1201 struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
1202 TDB_DATA key, struct ctdb_ltdb_header *, TDB_DATA data);
1204 struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m, struct ctdb_rec_data *r,
1206 struct ctdb_ltdb_header *header,
1207 TDB_DATA *key, TDB_DATA *data);
1209 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1210 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
1211 int32_t ctdb_control_set_dmaster(struct ctdb_context *ctdb, TDB_DATA indata);
1213 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
1214 struct ctdb_req_control *c,
1215 TDB_DATA indata, bool *async_reply,
1216 const char **errormsg);
1217 void ctdb_request_control_reply(struct ctdb_context *ctdb, struct ctdb_req_control *c,
1218 TDB_DATA *outdata, int32_t status, const char *errormsg);
1220 int32_t ctdb_control_freeze(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1221 int32_t ctdb_control_thaw(struct ctdb_context *ctdb, uint32_t priority);
1223 int ctdb_start_recoverd(struct ctdb_context *ctdb);
1224 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
1226 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
1228 void ctdb_disable_monitoring(struct ctdb_context *ctdb);
1229 void ctdb_enable_monitoring(struct ctdb_context *ctdb);
1230 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
1231 void ctdb_start_monitoring(struct ctdb_context *ctdb);
1232 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
1233 void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
1234 void ctdb_start_keepalive(struct ctdb_context *ctdb);
1235 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
1236 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA data, bool *async_reply);
1239 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node);
1240 void ctdb_call_resend_all(struct ctdb_context *ctdb);
1241 void ctdb_node_dead(struct ctdb_node *node);
1242 void ctdb_node_connected(struct ctdb_node *node);
1243 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
1244 void ctdb_set_scheduler(struct ctdb_context *ctdb);
1245 void ctdb_restore_scheduler(struct ctdb_context *ctdb);
1246 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
1247 struct ctdb_req_control *c,
1250 int32_t ctdb_control_takeover_ipv4(struct ctdb_context *ctdb,
1251 struct ctdb_req_control *c,
1254 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
1255 struct ctdb_req_control *c,
1258 int32_t ctdb_control_release_ipv4(struct ctdb_context *ctdb,
1259 struct ctdb_req_control *c,
1262 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
1263 struct ctdb_req_control *c,
1265 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
1266 struct ctdb_req_control *c,
1269 struct ctdb_public_ipv4 {
1271 struct sockaddr_in sin;
1274 struct ctdb_public_ip {
1276 ctdb_sock_addr addr;
1278 int ctdb_ctrl_takeover_ip(struct ctdb_context *ctdb, struct timeval timeout,
1279 uint32_t destnode, struct ctdb_public_ip *ip);
1280 int ctdb_ctrl_release_ip(struct ctdb_context *ctdb, struct timeval timeout,
1281 uint32_t destnode, struct ctdb_public_ip *ip);
1283 struct ctdb_all_public_ipsv4 {
1285 struct ctdb_public_ipv4 ips[1];
1288 struct ctdb_all_public_ips {
1290 struct ctdb_public_ip ips[1];
1292 int32_t ctdb_control_get_public_ipsv4(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1293 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1294 int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
1295 struct timeval timeout, uint32_t destnode,
1296 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1297 int ctdb_ctrl_get_public_ipsv4(struct ctdb_context *ctdb,
1298 struct timeval timeout, uint32_t destnode,
1299 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1302 /* from takeover/system.c */
1303 uint32_t uint16_checksum(uint16_t *data, size_t n);
1304 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
1305 bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
1306 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
1307 const ctdb_sock_addr *src,
1308 uint32_t seq, uint32_t ack, int rst);
1310 int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
1311 int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
1312 int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
1313 int ctdb_set_notification_script(struct ctdb_context *ctdb, const char *script);
1314 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
1316 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
1318 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata);
1319 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
1320 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
1321 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1322 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
1323 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1324 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
1326 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
1327 int ctdb_event_script(struct ctdb_context *ctdb, enum ctdb_eventscript_call call);
1328 int ctdb_event_script_args(struct ctdb_context *ctdb, enum ctdb_eventscript_call call,
1329 const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
1330 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1331 TALLOC_CTX *mem_ctx,
1332 void (*callback)(struct ctdb_context *, int, void *),
1335 enum ctdb_eventscript_call call,
1336 const char *fmt, ...) PRINTF_ATTRIBUTE(7,8);
1337 void ctdb_release_all_ips(struct ctdb_context *ctdb);
1339 void set_nonblocking(int fd);
1340 void set_close_on_exec(int fd);
1342 bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
1344 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
1346 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1348 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1349 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
1350 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1351 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1352 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1354 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1356 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
1358 int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
1359 struct timeval timeout,
1361 struct ctdb_tunable *tunables);
1363 int ctdb_start_freeze(struct ctdb_context *ctdb, uint32_t priority);
1365 bool parse_ip_mask(const char *s, const char *iface, ctdb_sock_addr *addr, unsigned *mask);
1366 bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
1367 bool parse_ip(const char *s, const char *iface, unsigned port, ctdb_sock_addr *addr);
1368 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
1371 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
1372 int ctdb_sys_close_capture_socket(void *private_data);
1373 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);
1375 int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
1376 struct timeval timeout,
1378 struct ctdb_control_killtcp *killtcp);
1380 int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
1381 struct timeval timeout,
1383 struct ctdb_control_ip_iface *pub);
1385 int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
1386 struct timeval timeout,
1388 struct ctdb_control_ip_iface *pub);
1390 int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
1391 struct timeval timeout,
1393 ctdb_sock_addr *addr,
1394 const char *ifname);
1396 int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
1397 struct timeval timeout,
1399 TALLOC_CTX *mem_ctx,
1400 ctdb_sock_addr *addr,
1401 struct ctdb_control_tcp_tickle_list **list);
1404 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
1407 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
1409 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
1411 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
1413 int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
1416 int ctdb_attach_persistent(struct ctdb_context *ctdb);
1418 int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
1419 struct ctdb_req_control *c,
1420 TDB_DATA recdata, bool *async_reply);
1421 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1422 struct ctdb_req_control *c, TDB_DATA recdata,
1424 int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
1425 struct ctdb_req_control *c,
1426 TDB_DATA recdata, bool *async_reply);
1428 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
1429 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
1430 int32_t ctdb_control_transaction_cancel(struct ctdb_context *ctdb);
1431 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
1434 int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
1435 int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
1437 void ctdb_block_signal(int signum);
1438 void ctdb_unblock_signal(int signum);
1439 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
1440 int ctdb_set_child_logging(struct ctdb_context *ctdb);
1443 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
1445 struct client_async_data {
1446 enum ctdb_controls opcode;
1447 bool dont_log_errors;
1449 uint32_t fail_count;
1450 client_async_callback callback;
1451 client_async_callback fail_callback;
1452 void *callback_data;
1454 void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
1455 int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
1456 int ctdb_client_async_control(struct ctdb_context *ctdb,
1457 enum ctdb_controls opcode,
1460 struct timeval timeout,
1461 bool dont_log_errors,
1463 client_async_callback client_callback,
1464 client_async_callback fail_callback,
1465 void *callback_data);
1467 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
1469 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
1471 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
1472 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
1474 int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
1475 struct ctdb_req_control *c);
1476 int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
1477 struct ctdb_req_control *c);
1478 int32_t ctdb_control_trans2_active(struct ctdb_context *ctdb,
1479 struct ctdb_req_control *c,
1482 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
1483 unsigned ctdb_addr_to_port(ctdb_sock_addr *addr);
1484 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
1486 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
1487 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
1489 extern int script_log_level;
1491 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb,
1495 int ctdb_log_event_script_output(struct ctdb_context *ctdb, char *str, uint16_t len);
1496 int ctdb_ctrl_report_recd_lock_latency(struct ctdb_context *ctdb, struct timeval timeout, double latency);
1498 int32_t ctdb_control_stop_node(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1499 int32_t ctdb_control_continue_node(struct ctdb_context *ctdb);
1501 int ctdb_vacuum_init(struct ctdb_db_context *ctdb_db);
1503 int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1504 int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1506 int32_t ctdb_control_set_ban_state(struct ctdb_context *ctdb, TDB_DATA indata);
1507 int32_t ctdb_control_get_ban_state(struct ctdb_context *ctdb, TDB_DATA *outdata);
1508 int32_t ctdb_control_set_db_priority(struct ctdb_context *ctdb, TDB_DATA indata);
1509 void ctdb_ban_self(struct ctdb_context *ctdb);
1511 int32_t ctdb_control_register_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
1513 int32_t ctdb_control_deregister_notify(struct ctdb_context *ctdb, uint32_t client_id, TDB_DATA indata);
1515 int start_syslog_daemon(struct ctdb_context *ctdb);
1517 /* Where to send the log messages back to */
1518 struct ctdb_get_log_addr {
1524 int32_t ctdb_control_get_log(struct ctdb_context *ctdb, TDB_DATA addr);
1525 int32_t ctdb_control_clear_log(struct ctdb_context *ctdb);
1526 struct ctdb_log_state *ctdb_fork_with_logging(TALLOC_CTX *mem_ctx,
1527 struct ctdb_context *ctdb,
1528 void (*logfn)(const char *, uint16_t, void *),
1529 void *logfn_private, pid_t *pid);
1531 int32_t ctdb_control_process_exists(struct ctdb_context *ctdb, pid_t pid);
1532 struct ctdb_client *ctdb_find_client_by_pid(struct ctdb_context *ctdb, pid_t pid);