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>
25 #include <netinet/in.h>
27 /* location of daemon socket */
28 #define CTDB_PATH "/tmp/ctdb.socket"
30 /* default ctdb port number */
31 #define CTDB_PORT 4379
33 /* we must align packets to ensure ctdb works on all architectures (eg. sparc) */
34 #define CTDB_DS_ALIGNMENT 8
37 #define CTDB_NULL_FUNC 0xFF000001
38 #define CTDB_FETCH_FUNC 0xFF000002
42 recovery daemon memdump reply address
44 struct rd_memdump_reply {
50 definitions for different socket structures
52 typedef struct sockaddr_in ctdb_addr_in;
53 typedef struct sockaddr_in6 ctdb_addr_in6;
61 a tcp connection description
63 struct ctdb_tcp_connection {
64 ctdb_sock_addr src_addr;
65 ctdb_sock_addr dst_addr;
68 /* the wire representation for a tcp tickle array */
69 struct ctdb_tcp_wire_array {
71 struct ctdb_tcp_connection connections[1];
74 /* the list of tcp tickles used by get/set tcp tickle list */
75 struct ctdb_control_tcp_tickle_list {
77 struct ctdb_tcp_wire_array tickles;
81 array of tcp connections
83 struct ctdb_tcp_array {
85 struct ctdb_tcp_connection *connections;
89 /* all tunable variables go in here */
91 uint32_t max_redirect_count;
92 uint32_t seqnum_frequency;
93 uint32_t control_timeout;
94 uint32_t traverse_timeout;
95 uint32_t keepalive_interval;
96 uint32_t keepalive_limit;
98 uint32_t recover_timeout;
99 uint32_t recover_interval;
100 uint32_t election_timeout;
101 uint32_t takeover_timeout;
102 uint32_t monitor_interval;
103 uint32_t tickle_update_interval;
104 uint32_t script_timeout;
105 uint32_t script_ban_count; /* ban after this many consec timeouts*/
106 uint32_t recovery_grace_period;
107 uint32_t recovery_ban_period;
108 uint32_t database_hash_size;
109 uint32_t database_max_dead;
110 uint32_t rerecovery_timeout;
111 uint32_t enable_bans;
112 uint32_t deterministic_public_ips;
113 uint32_t disable_when_unhealthy;
114 uint32_t reclock_ping_period;
115 uint32_t no_ip_failback;
116 uint32_t verbose_memory_names;
117 uint32_t recd_ping_timeout;
118 uint32_t recd_ping_failcount;
119 uint32_t log_latency_ms;
120 uint32_t recovery_drop_all_ips;
121 uint32_t verify_recovery_lock;
125 an installed ctdb remote call
127 struct ctdb_registered_call {
128 struct ctdb_registered_call *next, *prev;
134 this address structure might need to be generalised later for some
137 struct ctdb_address {
143 check that a pnn is valid
145 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
148 /* called from the queue code when a packet comes in. Called with data==NULL
150 typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
153 /* used for callbacks in ctdb_control requests */
154 typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
155 int32_t status, TDB_DATA data,
156 const char *errormsg,
160 structure describing a connected client in the daemon
163 struct ctdb_context *ctdb;
165 struct ctdb_queue *queue;
168 struct ctdb_tcp_list *tcp_list;
169 uint32_t num_persistent_updates;
173 /* state associated with a public ip address */
175 struct ctdb_vnn *prev, *next;
178 ctdb_sock_addr public_address;
179 uint8_t public_netmask_bits;
181 /* the node number that is serving this public address, if any.
182 If no node serves this ip it is set to -1 */
185 /* List of clients to tickle for this public address */
186 struct ctdb_tcp_array *tcp_array;
188 /* whether we need to update the other nodes with changes to our list
189 of connected clients */
190 bool tcp_update_needed;
192 /* a context to hang sending gratious arp events off */
193 TALLOC_CTX *takeover_ctx;
195 struct ctdb_kill_tcp *killtcp;
199 state associated with one node
202 struct ctdb_context *ctdb;
203 struct ctdb_address address;
204 const char *name; /* for debug messages */
205 void *private_data; /* private to transport */
207 #define NODE_FLAGS_DISCONNECTED 0x00000001 /* node isn't connected */
208 #define NODE_FLAGS_UNHEALTHY 0x00000002 /* monitoring says node is unhealthy */
209 #define NODE_FLAGS_PERMANENTLY_DISABLED 0x00000004 /* administrator has disabled node */
210 #define NODE_FLAGS_BANNED 0x00000008 /* recovery daemon has banned the node */
211 #define NODE_FLAGS_DISABLED (NODE_FLAGS_UNHEALTHY|NODE_FLAGS_PERMANENTLY_DISABLED)
212 #define NODE_FLAGS_INACTIVE (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_BANNED)
215 /* used by the dead node monitoring */
220 /* used to track node capabilities, is only valid/tracked inside the
223 uint32_t capabilities;
225 /* a list of controls pending to this node, so we can time them out quickly
226 if the node becomes disconnected */
227 struct daemon_control_state *pending_controls;
229 /* used by the recovery daemon when distributing ip addresses
230 across the nodes. it needs to know which public ip's can be handled
233 struct ctdb_all_public_ips *public_ips;
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;
314 uint32_t total_calls;
315 uint32_t pending_calls;
316 uint32_t lockwait_calls;
317 uint32_t pending_lockwait_calls;
318 uint32_t childwrite_calls;
319 uint32_t pending_childwrite_calls;
320 uint32_t memory_used;
321 uint32_t __last_counter; /* hack for control_statistics_all */
322 uint32_t max_hop_count;
323 double max_call_latency;
324 double max_lockwait_latency;
325 double max_childwrite_latency;
329 #define INVALID_GENERATION 1
330 /* table that contains the mapping between a hash value and lmaster
332 struct ctdb_vnn_map {
339 a wire representation of the vnn map
341 struct ctdb_vnn_map_wire {
347 /* a structure that contains the elements required for the write record
350 struct ctdb_write_record {
354 unsigned char blob[1];
357 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
359 #define CTDB_MONITORING_ACTIVE 0
360 #define CTDB_MONITORING_DISABLED 1
362 /* The different capabilities of the ctdb daemon. */
363 #define CTDB_CAP_RECMASTER 0x00000001
364 #define CTDB_CAP_LMASTER 0x00000002
365 /* This capability is set if CTDB_LVS_PUBLIC_IP is set */
366 #define CTDB_CAP_LVS 0x00000004
368 /* main state of the ctdb daemon */
369 struct ctdb_context {
370 struct event_context *ev;
371 struct timeval ctdbd_start_time;
372 struct timeval last_recovery_started;
373 struct timeval last_recovery_finished;
374 uint32_t recovery_mode;
375 TALLOC_CTX *tickle_update_context;
376 TALLOC_CTX *keepalive_ctx;
377 struct ctdb_tunable tunable;
378 enum ctdb_freeze_mode freeze_mode;
379 struct ctdb_freeze_handle *freeze_handle;
380 struct ctdb_address address;
382 const char *db_directory;
383 const char *db_directory_persistent;
384 const char *transport;
386 char *node_list_file;
387 char *recovery_lock_file;
388 int recovery_lock_fd;
389 uint32_t pnn; /* our own pnn */
391 uint32_t num_connected;
393 uint32_t capabilities;
394 struct idr_context *idr;
396 struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
397 struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
398 struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
400 const struct ctdb_methods *methods; /* transport methods */
401 const struct ctdb_upcalls *upcalls; /* transport upcalls */
402 void *private_data; /* private to transport */
403 struct ctdb_db_context *db_list;
404 struct ctdb_message_list *message_list;
405 struct ctdb_daemon_data daemon;
406 struct ctdb_statistics statistics;
407 struct ctdb_vnn_map *vnn_map;
408 uint32_t num_clients;
409 uint32_t recovery_master;
410 struct ctdb_call_state *pending_calls;
411 struct ctdb_client_ip *client_ip_list;
413 bool do_checkpublicip;
414 void *saved_scheduler_param;
415 struct _trbt_tree_t *server_ids;
416 const char *event_script_dir;
417 const char *default_public_interface;
422 struct ctdb_monitor_state *monitor;
423 struct ctdb_log_state *log;
424 int start_as_disabled;
425 uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
426 TALLOC_CTX *eventscripts_ctx; /* a context to hold data for the RUN_EVENTSCRIPTS control */
427 uint32_t *recd_ping_count;
428 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
431 struct ctdb_db_context {
432 struct ctdb_db_context *next, *prev;
433 struct ctdb_context *ctdb;
438 struct tdb_wrap *ltdb;
439 struct ctdb_registered_call *calls; /* list of registered calls */
441 struct timed_event *te;
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,
570 structure passed in set_call control
572 struct ctdb_control_set_call {
579 struct for tcp_client control
580 used by samba can not modify
582 struct ctdb_control_tcp {
583 struct sockaddr_in src; // samba uses this
584 struct sockaddr_in dest;// samba uses this
588 struct for kill_tcp control
590 struct ctdb_control_killtcp {
591 ctdb_sock_addr src_addr;
592 ctdb_sock_addr dst_addr;
596 struct holding a ctdb_sock_addr and an interface name,
597 used to add/remove public addresses
599 struct ctdb_control_ip_iface {
607 struct holding a ctdb_sock_addr and an interface name,
608 used for send_gratious_arp
610 struct ctdb_control_gratious_arp {
618 struct for tcp_add and tcp_remove controls
620 struct ctdb_control_tcp_vnn {
626 persistent store control - update this record on all other nodes
628 struct ctdb_control_persistent_store {
635 structure used for CTDB_SRVID_NODE_FLAGS_CHANGED
637 struct ctdb_node_flag_change {
644 struct for admin setting a ban
646 struct ctdb_ban_info {
651 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
653 #define CTDB_LMASTER_ANY 0xffffffff
656 state of a in-progress ctdb call
658 struct ctdb_call_state {
659 struct ctdb_call_state *next, *prev;
660 enum call_state state;
662 struct ctdb_req_call *c;
663 struct ctdb_db_context *ctdb_db;
665 struct ctdb_call *call;
668 void (*fn)(struct ctdb_call_state *);
674 /* used for fetch_lock */
675 struct ctdb_fetch_handle {
676 struct ctdb_db_context *ctdb_db;
679 struct ctdb_ltdb_header header;
685 enum ctdb_operation {
688 CTDB_REQ_DMASTER = 2,
689 CTDB_REPLY_DMASTER = 3,
690 CTDB_REPLY_ERROR = 4,
691 CTDB_REQ_MESSAGE = 5,
693 CTDB_REQ_CONTROL = 7,
694 CTDB_REPLY_CONTROL = 8,
695 CTDB_REQ_KEEPALIVE = 9,
698 #define CTDB_MAGIC 0x43544442 /* CTDB */
699 #define CTDB_VERSION 1
704 struct ctdb_req_header {
707 uint32_t ctdb_version;
715 struct ctdb_req_call {
716 struct ctdb_req_header hdr;
722 uint32_t calldatalen;
723 uint8_t data[1]; /* key[] followed by calldata[] */
726 struct ctdb_reply_call {
727 struct ctdb_req_header hdr;
733 struct ctdb_reply_error {
734 struct ctdb_req_header hdr;
740 struct ctdb_req_dmaster {
741 struct ctdb_req_header hdr;
750 struct ctdb_reply_dmaster {
751 struct ctdb_req_header hdr;
759 struct ctdb_req_message {
760 struct ctdb_req_header hdr;
766 struct ctdb_req_getdbpath {
767 struct ctdb_req_header hdr;
771 struct ctdb_reply_getdbpath {
772 struct ctdb_req_header hdr;
777 struct ctdb_req_control {
778 struct ctdb_req_header hdr;
782 #define CTDB_CTRL_FLAG_NOREPLY 1
788 struct ctdb_reply_control {
789 struct ctdb_req_header hdr;
796 struct ctdb_req_keepalive {
797 struct ctdb_req_header hdr;
801 /* types of failures possible from TRANS2_COMMIT */
802 enum ctdb_trans2_commit_error {
803 CTDB_TRANS2_COMMIT_SUCCESS=0, /* all nodes committed successfully */
804 CTDB_TRANS2_COMMIT_TIMEOUT=1, /* at least one node timed out */
805 CTDB_TRANS2_COMMIT_ALLFAIL=2, /* all nodes failed the commit */
806 CTDB_TRANS2_COMMIT_SOMEFAIL=3 /* some nodes failed the commit, some allowed it */
810 /* internal prototypes */
811 void ctdb_set_error(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
812 void ctdb_fatal(struct ctdb_context *ctdb, const char *msg);
813 bool ctdb_same_address(struct ctdb_address *a1, struct ctdb_address *a2);
814 int ctdb_parse_address(struct ctdb_context *ctdb,
815 TALLOC_CTX *mem_ctx, const char *str,
816 struct ctdb_address *address);
817 bool ctdb_same_ip(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
818 bool ctdb_same_sockaddr(const ctdb_sock_addr *ip1, const ctdb_sock_addr *ip2);
819 uint32_t ctdb_hash(const TDB_DATA *key);
820 uint32_t ctdb_hash_string(const char *str);
821 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
822 void ctdb_request_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
823 void ctdb_request_message(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
824 void ctdb_reply_dmaster(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
825 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
826 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
828 uint32_t ctdb_lmaster(struct ctdb_context *ctdb, const TDB_DATA *key);
829 int ctdb_ltdb_fetch(struct ctdb_db_context *ctdb_db,
830 TDB_DATA key, struct ctdb_ltdb_header *header,
831 TALLOC_CTX *mem_ctx, TDB_DATA *data);
832 int ctdb_ltdb_store(struct ctdb_db_context *ctdb_db, TDB_DATA key,
833 struct ctdb_ltdb_header *header, TDB_DATA data);
834 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
835 struct ctdb_req_control *c,
837 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
838 struct ctdb_req_control *c,
840 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
841 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb, struct ctdb_req_header *hdr, unsigned opcode);
842 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
843 TDB_DATA key, struct ctdb_req_header *hdr,
844 void (*recv_pkt)(void *, struct ctdb_req_header *),
845 void *recv_context, bool ignore_generation);
846 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
847 TDB_DATA key, struct ctdb_ltdb_header *header,
848 struct ctdb_req_header *hdr, TDB_DATA *data,
849 void (*recv_pkt)(void *, struct ctdb_req_header *),
850 void *recv_context, bool ignore_generation);
851 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
853 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
854 struct ctdb_call *call,
855 struct ctdb_ltdb_header *header,
859 int ctdbd_start(struct ctdb_context *ctdb);
860 struct ctdb_call_state *ctdbd_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
861 int ctdbd_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
864 queue a packet for sending
866 int ctdb_queue_send(struct ctdb_queue *queue, uint8_t *data, uint32_t length);
869 setup the fd used by the queue
871 int ctdb_queue_set_fd(struct ctdb_queue *queue, int fd);
874 setup a packet queue on a socket
876 struct ctdb_queue *ctdb_queue_setup(struct ctdb_context *ctdb,
877 TALLOC_CTX *mem_ctx, int fd, int alignment,
879 ctdb_queue_cb_fn_t callback,
883 allocate a packet for use in client<->daemon communication
885 struct ctdb_req_header *_ctdbd_allocate_pkt(struct ctdb_context *ctdb,
887 enum ctdb_operation operation,
888 size_t length, size_t slength,
890 #define ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, type) \
891 (type *)_ctdbd_allocate_pkt(ctdb, mem_ctx, operation, length, sizeof(type), #type)
893 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
895 enum ctdb_operation operation,
896 size_t length, size_t slength,
898 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
899 (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, sizeof(type), #type)
903 lock a record in the ltdb, given a key
905 int ctdb_ltdb_lock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
908 unlock a record in the ltdb, given a key
910 int ctdb_ltdb_unlock(struct ctdb_db_context *ctdb_db, TDB_DATA key);
914 make a ctdb call to the local daemon - async send. Called from client context.
916 This constructs a ctdb_call request and queues it for processing.
917 This call never blocks.
919 struct ctdb_call_state *ctdb_client_call_send(struct ctdb_db_context *ctdb_db,
920 struct ctdb_call *call);
923 make a recv call to the local ctdb daemon - called from client context
925 This is called when the program wants to wait for a ctdb_call to complete and get the
926 results. This call will block unless the call has already completed.
928 int ctdb_client_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
930 int ctdb_daemon_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
931 ctdb_message_fn_t handler,
934 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t vnn,
935 uint64_t srvid, TDB_DATA data);
940 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
941 uint64_t srvid, TDB_DATA data);
944 struct lockwait_handle *ctdb_lockwait(struct ctdb_db_context *ctdb_db,
946 void (*callback)(void *), void *private_data);
948 struct ctdb_call_state *ctdb_daemon_call_send(struct ctdb_db_context *ctdb_db,
949 struct ctdb_call *call);
951 int ctdb_daemon_call_recv(struct ctdb_call_state *state, struct ctdb_call *call);
953 struct ctdb_call_state *ctdb_daemon_call_send_remote(struct ctdb_db_context *ctdb_db,
954 struct ctdb_call *call,
955 struct ctdb_ltdb_header *header);
957 int ctdb_call_local(struct ctdb_db_context *ctdb_db, struct ctdb_call *call,
958 struct ctdb_ltdb_header *header, TALLOC_CTX *mem_ctx, TDB_DATA *data,
961 #define ctdb_reqid_find(ctdb, reqid, type) (type *)_ctdb_reqid_find(ctdb, reqid, #type, __location__)
963 void ctdb_recv_raw_pkt(void *p, uint8_t *data, uint32_t length);
965 int ctdb_socket_connect(struct ctdb_context *ctdb);
967 void ctdb_latency(struct ctdb_db_context *ctdb_db, const char *name, double *latency, struct timeval t);
969 uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
970 void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
971 void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
973 void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
974 void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
976 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
977 uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
979 ctdb_control_callback_fn_t callback,
982 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
983 TDB_DATA *outdata, uint64_t tdb_flags, bool persistent);
985 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
986 ctdb_fn_t fn, int id);
988 int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
989 uint32_t opcode, uint32_t flags, TDB_DATA data,
990 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
991 struct timeval *timeout, char **errormsg);
992 int ctdb_control_recv(struct ctdb_context *ctdb,
993 struct ctdb_client_control_state *state,
995 TDB_DATA *outdata, int32_t *status, char **errormsg);
997 struct ctdb_client_control_state *
998 ctdb_control_send(struct ctdb_context *ctdb,
999 uint32_t destnode, uint64_t srvid,
1000 uint32_t opcode, uint32_t flags, TDB_DATA data,
1001 TALLOC_CTX *mem_ctx,
1002 struct timeval *timeout,
1008 #define CHECK_CONTROL_DATA_SIZE(size) do { \
1009 if (indata.dsize != size) { \
1010 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
1011 opcode, (unsigned)indata.dsize, (unsigned)size)); \
1016 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1017 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1018 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1019 int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1020 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1021 int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1024 struct ctdb_traverse_start {
1031 structure used to pass record data between the child and parent
1033 struct ctdb_rec_data {
1042 /* structure used for pulldb control */
1043 struct ctdb_control_pulldb {
1048 /* structure used for sending lists of records */
1049 struct ctdb_marshall_buffer {
1055 /* set dmaster control structure */
1056 struct ctdb_control_set_dmaster {
1062 structure for setting a tunable
1064 struct ctdb_control_set_tunable {
1071 structure for getting a tunable
1073 struct ctdb_control_get_tunable {
1079 structure for listing tunables
1081 struct ctdb_control_list_tunable {
1083 /* returns a : separated list of tunable names */
1088 /* table that contains a list of all nodes a ctdb knows about and their
1091 struct ctdb_node_and_flags {
1094 ctdb_sock_addr addr;
1097 struct ctdb_node_map {
1099 struct ctdb_node_and_flags nodes[1];
1102 struct ctdb_node_and_flagsv4 {
1105 struct sockaddr_in sin;
1108 struct ctdb_node_mapv4 {
1110 struct ctdb_node_and_flagsv4 nodes[1];
1113 struct ctdb_control_wipe_database {
1115 uint32_t transaction_id;
1119 state of a in-progress ctdb call in client
1121 struct ctdb_client_call_state {
1122 enum call_state state;
1124 struct ctdb_db_context *ctdb_db;
1125 struct ctdb_call *call;
1127 void (*fn)(struct ctdb_client_call_state *);
1133 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
1134 TDB_DATA *outdata, uint32_t srcnode);
1135 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1136 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1138 int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
1140 int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1141 int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
1142 int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1144 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
1145 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
1146 int32_t ctdb_ltdb_set_seqnum_frequency(struct ctdb_context *ctdb, uint32_t frequency);
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 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
1251 bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
1252 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
1253 const ctdb_sock_addr *src,
1254 uint32_t seq, uint32_t ack, int rst);
1256 int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
1257 int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
1258 int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
1259 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
1261 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
1263 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata);
1264 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
1265 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
1266 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1267 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
1268 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1269 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
1271 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
1272 int ctdb_event_script(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
1273 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1274 struct timeval timeout,
1275 TALLOC_CTX *mem_ctx,
1276 void (*callback)(struct ctdb_context *, int, void *),
1278 const char *fmt, ...) PRINTF_ATTRIBUTE(6,7);
1279 void ctdb_release_all_ips(struct ctdb_context *ctdb);
1281 void set_nonblocking(int fd);
1282 void set_close_on_exec(int fd);
1284 bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
1286 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
1288 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1290 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1291 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
1292 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1293 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1294 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1296 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1298 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
1300 int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
1301 struct timeval timeout,
1303 struct ctdb_tunable *tunables);
1305 void ctdb_start_freeze(struct ctdb_context *ctdb);
1307 bool parse_ip_mask(const char *s, ctdb_sock_addr *addr, unsigned *mask);
1308 bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
1309 bool parse_ip(const char *s, ctdb_sock_addr *addr);
1310 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
1313 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
1314 int ctdb_sys_close_capture_socket(void *private_data);
1315 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);
1317 int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
1318 struct timeval timeout,
1320 struct ctdb_control_killtcp *killtcp);
1322 int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
1323 struct timeval timeout,
1325 struct ctdb_control_ip_iface *pub);
1327 int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
1328 struct timeval timeout,
1330 struct ctdb_control_ip_iface *pub);
1332 int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
1333 struct timeval timeout,
1335 ctdb_sock_addr *addr,
1336 const char *ifname);
1338 int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
1339 struct timeval timeout,
1341 TALLOC_CTX *mem_ctx,
1342 ctdb_sock_addr *addr,
1343 struct ctdb_control_tcp_tickle_list **list);
1346 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
1349 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
1351 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
1353 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
1355 int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
1358 int ctdb_attach_persistent(struct ctdb_context *ctdb);
1360 int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
1361 struct ctdb_req_control *c,
1362 TDB_DATA recdata, bool *async_reply);
1363 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1364 struct ctdb_req_control *c, TDB_DATA recdata,
1366 int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
1367 struct ctdb_req_control *c,
1368 TDB_DATA recdata, bool *async_reply);
1370 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
1371 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
1372 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
1375 int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
1376 int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
1378 void ctdb_block_signal(int signum);
1379 void ctdb_unblock_signal(int signum);
1380 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
1381 int ctdb_set_child_logging(struct ctdb_context *ctdb);
1384 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
1386 struct client_async_data {
1387 enum ctdb_controls opcode;
1388 bool dont_log_errors;
1390 uint32_t fail_count;
1391 client_async_callback callback;
1392 client_async_callback fail_callback;
1393 void *callback_data;
1395 void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
1396 int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
1397 int ctdb_client_async_control(struct ctdb_context *ctdb,
1398 enum ctdb_controls opcode,
1400 struct timeval timeout,
1401 bool dont_log_errors,
1403 client_async_callback client_callback,
1404 client_async_callback fail_callback,
1405 void *callback_data);
1407 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
1409 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
1411 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
1412 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
1414 int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
1415 struct ctdb_req_control *c);
1416 int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
1417 struct ctdb_req_control *c);
1419 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
1420 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
1422 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
1423 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
1425 extern int script_log_level;