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;
123 an installed ctdb remote call
125 struct ctdb_registered_call {
126 struct ctdb_registered_call *next, *prev;
132 this address structure might need to be generalised later for some
135 struct ctdb_address {
141 check that a pnn is valid
143 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
146 /* called from the queue code when a packet comes in. Called with data==NULL
148 typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
151 /* used for callbacks in ctdb_control requests */
152 typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
153 int32_t status, TDB_DATA data,
154 const char *errormsg,
158 structure describing a connected client in the daemon
161 struct ctdb_context *ctdb;
163 struct ctdb_queue *queue;
166 struct ctdb_tcp_list *tcp_list;
167 uint32_t num_persistent_updates;
171 /* state associated with a public ip address */
173 struct ctdb_vnn *prev, *next;
176 ctdb_sock_addr public_address;
177 uint8_t public_netmask_bits;
179 /* the node number that is serving this public address, if any.
180 If no node serves this ip it is set to -1 */
183 /* List of clients to tickle for this public address */
184 struct ctdb_tcp_array *tcp_array;
186 /* whether we need to update the other nodes with changes to our list
187 of connected clients */
188 bool tcp_update_needed;
190 /* a context to hang sending gratious arp events off */
191 TALLOC_CTX *takeover_ctx;
193 struct ctdb_kill_tcp *killtcp;
197 state associated with one node
200 struct ctdb_context *ctdb;
201 struct ctdb_address address;
202 const char *name; /* for debug messages */
203 void *private_data; /* private to transport */
205 #define NODE_FLAGS_DISCONNECTED 0x00000001 /* node isn't connected */
206 #define NODE_FLAGS_UNHEALTHY 0x00000002 /* monitoring says node is unhealthy */
207 #define NODE_FLAGS_PERMANENTLY_DISABLED 0x00000004 /* administrator has disabled node */
208 #define NODE_FLAGS_BANNED 0x00000008 /* recovery daemon has banned the node */
209 #define NODE_FLAGS_DISABLED (NODE_FLAGS_UNHEALTHY|NODE_FLAGS_PERMANENTLY_DISABLED)
210 #define NODE_FLAGS_INACTIVE (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_BANNED)
213 /* used by the dead node monitoring */
218 /* used to track node capabilities, is only valid/tracked inside the
221 uint32_t capabilities;
223 /* a list of controls pending to this node, so we can time them out quickly
224 if the node becomes disconnected */
225 struct daemon_control_state *pending_controls;
227 /* used by the recovery daemon when distributing ip addresses
228 across the nodes. it needs to know which public ip's can be handled
231 struct ctdb_all_public_ips *public_ips;
235 transport specific methods
237 struct ctdb_methods {
238 int (*initialise)(struct ctdb_context *); /* initialise transport structures */
239 int (*start)(struct ctdb_context *); /* start the transport */
240 int (*add_node)(struct ctdb_node *); /* setup a new node */
241 int (*connect_node)(struct ctdb_node *); /* connect to node */
242 int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
243 void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
244 void (*shutdown)(struct ctdb_context *); /* shutdown transport */
245 void (*restart)(struct ctdb_node *); /* stop and restart the connection */
249 transport calls up to the ctdb layer
251 struct ctdb_upcalls {
252 /* recv_pkt is called when a packet comes in */
253 void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
255 /* node_dead is called when an attempt to send to a node fails */
256 void (*node_dead)(struct ctdb_node *);
258 /* node_connected is called when a connection to a node is established */
259 void (*node_connected)(struct ctdb_node *);
262 /* list of message handlers - needs to be changed to a more efficient data
263 structure so we can find a message handler given a srvid quickly */
264 struct ctdb_message_list {
265 struct ctdb_context *ctdb;
266 struct ctdb_message_list *next, *prev;
268 ctdb_message_fn_t message_handler;
269 void *message_private;
272 /* additional data required for the daemon mode */
273 struct ctdb_daemon_data {
276 struct ctdb_queue *queue;
280 ctdb status information
282 struct ctdb_statistics {
283 uint32_t num_clients;
286 uint32_t client_packets_sent;
287 uint32_t client_packets_recv;
288 uint32_t node_packets_sent;
289 uint32_t node_packets_recv;
290 uint32_t keepalive_packets_sent;
291 uint32_t keepalive_packets_recv;
295 uint32_t req_dmaster;
296 uint32_t reply_dmaster;
297 uint32_t reply_error;
298 uint32_t req_message;
299 uint32_t req_control;
300 uint32_t reply_control;
304 uint32_t req_message;
305 uint32_t req_control;
312 uint32_t total_calls;
313 uint32_t pending_calls;
314 uint32_t lockwait_calls;
315 uint32_t pending_lockwait_calls;
316 uint32_t childwrite_calls;
317 uint32_t pending_childwrite_calls;
318 uint32_t memory_used;
319 uint32_t __last_counter; /* hack for control_statistics_all */
320 uint32_t max_hop_count;
321 double max_call_latency;
322 double max_lockwait_latency;
323 double max_childwrite_latency;
327 #define INVALID_GENERATION 1
328 /* table that contains the mapping between a hash value and lmaster
330 struct ctdb_vnn_map {
337 a wire representation of the vnn map
339 struct ctdb_vnn_map_wire {
345 /* a structure that contains the elements required for the write record
348 struct ctdb_write_record {
352 unsigned char blob[1];
355 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
357 #define CTDB_MONITORING_ACTIVE 0
358 #define CTDB_MONITORING_DISABLED 1
360 /* The different capabilities of the ctdb daemon. */
361 #define CTDB_CAP_RECMASTER 0x00000001
362 #define CTDB_CAP_LMASTER 0x00000002
363 /* This capability is set if CTDB_LVS_PUBLIC_IP is set */
364 #define CTDB_CAP_LVS 0x00000004
366 /* main state of the ctdb daemon */
367 struct ctdb_context {
368 struct event_context *ev;
369 struct timeval ctdbd_start_time;
370 struct timeval last_recovery_started;
371 struct timeval last_recovery_finished;
372 uint32_t recovery_mode;
373 TALLOC_CTX *tickle_update_context;
374 TALLOC_CTX *keepalive_ctx;
375 struct ctdb_tunable tunable;
376 enum ctdb_freeze_mode freeze_mode;
377 struct ctdb_freeze_handle *freeze_handle;
378 struct ctdb_address address;
380 const char *db_directory;
381 const char *db_directory_persistent;
382 const char *transport;
384 char *node_list_file;
385 char *recovery_lock_file;
386 int recovery_lock_fd;
387 uint32_t pnn; /* our own pnn */
389 uint32_t num_connected;
391 uint32_t capabilities;
392 struct idr_context *idr;
394 struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
395 struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
396 struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
398 const struct ctdb_methods *methods; /* transport methods */
399 const struct ctdb_upcalls *upcalls; /* transport upcalls */
400 void *private_data; /* private to transport */
401 struct ctdb_db_context *db_list;
402 struct ctdb_message_list *message_list;
403 struct ctdb_daemon_data daemon;
404 struct ctdb_statistics statistics;
405 struct ctdb_vnn_map *vnn_map;
406 uint32_t num_clients;
407 uint32_t recovery_master;
408 struct ctdb_call_state *pending_calls;
409 struct ctdb_client_ip *client_ip_list;
411 bool do_checkpublicip;
412 void *saved_scheduler_param;
413 struct _trbt_tree_t *server_ids;
414 const char *event_script_dir;
415 const char *default_public_interface;
420 struct ctdb_monitor_state *monitor;
421 struct ctdb_log_state *log;
422 int start_as_disabled;
423 uint32_t event_script_timeouts; /* counting how many consecutive times an eventscript has timedout */
424 TALLOC_CTX *eventscripts_ctx; /* a context to hold data for the RUN_EVENTSCRIPTS control */
425 uint32_t *recd_ping_count;
426 TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
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;
443 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
444 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
445 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
446 return -1; }} while (0)
448 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
449 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
450 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
453 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
454 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
455 ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
456 return NULL; }} while (0)
458 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
459 DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
460 ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
464 the extended header for records in the ltdb
466 struct ctdb_ltdb_header {
473 enum ctdb_controls {CTDB_CONTROL_PROCESS_EXISTS = 0,
474 CTDB_CONTROL_STATISTICS = 1,
476 CTDB_CONTROL_PING = 3,
477 CTDB_CONTROL_GETDBPATH = 4,
478 CTDB_CONTROL_GETVNNMAP = 5,
479 CTDB_CONTROL_SETVNNMAP = 6,
480 CTDB_CONTROL_GET_DEBUG = 7,
481 CTDB_CONTROL_SET_DEBUG = 8,
482 CTDB_CONTROL_GET_DBMAP = 9,
483 CTDB_CONTROL_GET_NODEMAPv4 = 10, /* obsolete */
484 CTDB_CONTROL_SET_DMASTER = 11,
486 CTDB_CONTROL_PULL_DB = 13,
487 CTDB_CONTROL_PUSH_DB = 14,
488 CTDB_CONTROL_GET_RECMODE = 15,
489 CTDB_CONTROL_SET_RECMODE = 16,
490 CTDB_CONTROL_STATISTICS_RESET = 17,
491 CTDB_CONTROL_DB_ATTACH = 18,
492 CTDB_CONTROL_SET_CALL = 19,
493 CTDB_CONTROL_TRAVERSE_START = 20,
494 CTDB_CONTROL_TRAVERSE_ALL = 21,
495 CTDB_CONTROL_TRAVERSE_DATA = 22,
496 CTDB_CONTROL_REGISTER_SRVID = 23,
497 CTDB_CONTROL_DEREGISTER_SRVID = 24,
498 CTDB_CONTROL_GET_DBNAME = 25,
499 CTDB_CONTROL_ENABLE_SEQNUM = 26,
500 CTDB_CONTROL_UPDATE_SEQNUM = 27,
502 CTDB_CONTROL_DUMP_MEMORY = 29,
503 CTDB_CONTROL_GET_PID = 30,
504 CTDB_CONTROL_GET_RECMASTER = 31,
505 CTDB_CONTROL_SET_RECMASTER = 32,
506 CTDB_CONTROL_FREEZE = 33,
507 CTDB_CONTROL_THAW = 34,
508 CTDB_CONTROL_GET_PNN = 35,
509 CTDB_CONTROL_SHUTDOWN = 36,
510 CTDB_CONTROL_GET_MONMODE = 37,
515 CTDB_CONTROL_TAKEOVER_IPv4 = 42, /* obsolete */
516 CTDB_CONTROL_RELEASE_IPv4 = 43, /* obsolete */
517 CTDB_CONTROL_TCP_CLIENT = 44,
518 CTDB_CONTROL_TCP_ADD = 45,
519 CTDB_CONTROL_TCP_REMOVE = 46,
520 CTDB_CONTROL_STARTUP = 47,
521 CTDB_CONTROL_SET_TUNABLE = 48,
522 CTDB_CONTROL_GET_TUNABLE = 49,
523 CTDB_CONTROL_LIST_TUNABLES = 50,
524 CTDB_CONTROL_GET_PUBLIC_IPSv4 = 51, /* obsolete */
525 CTDB_CONTROL_MODIFY_FLAGS = 52,
526 CTDB_CONTROL_GET_ALL_TUNABLES = 53,
527 CTDB_CONTROL_KILL_TCP = 54,
528 CTDB_CONTROL_GET_TCP_TICKLE_LIST = 55,
529 CTDB_CONTROL_SET_TCP_TICKLE_LIST = 56,
530 CTDB_CONTROL_REGISTER_SERVER_ID = 57,
531 CTDB_CONTROL_UNREGISTER_SERVER_ID = 58,
532 CTDB_CONTROL_CHECK_SERVER_ID = 59,
533 CTDB_CONTROL_GET_SERVER_ID_LIST = 60,
534 CTDB_CONTROL_DB_ATTACH_PERSISTENT = 61,
535 CTDB_CONTROL_PERSISTENT_STORE = 62,
536 CTDB_CONTROL_UPDATE_RECORD = 63,
537 CTDB_CONTROL_SEND_GRATIOUS_ARP = 64,
538 CTDB_CONTROL_TRANSACTION_START = 65,
539 CTDB_CONTROL_TRANSACTION_COMMIT = 66,
540 CTDB_CONTROL_WIPE_DATABASE = 67,
542 CTDB_CONTROL_UPTIME = 69,
543 CTDB_CONTROL_START_RECOVERY = 70,
544 CTDB_CONTROL_END_RECOVERY = 71,
545 CTDB_CONTROL_RELOAD_NODES_FILE = 72,
547 CTDB_CONTROL_TRY_DELETE_RECORDS = 74,
548 CTDB_CONTROL_ENABLE_MONITOR = 75,
549 CTDB_CONTROL_DISABLE_MONITOR = 76,
550 CTDB_CONTROL_ADD_PUBLIC_IP = 77,
551 CTDB_CONTROL_DEL_PUBLIC_IP = 78,
552 CTDB_CONTROL_RUN_EVENTSCRIPTS = 79,
553 CTDB_CONTROL_GET_CAPABILITIES = 80,
554 CTDB_CONTROL_START_PERSISTENT_UPDATE = 81,
555 CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE= 82,
556 CTDB_CONTROL_TRANS2_COMMIT = 83,
557 CTDB_CONTROL_TRANS2_FINISHED = 84,
558 CTDB_CONTROL_TRANS2_ERROR = 85,
559 CTDB_CONTROL_TRANS2_COMMIT_RETRY = 86,
560 CTDB_CONTROL_RECD_PING = 87,
561 CTDB_CONTROL_RELEASE_IP = 88,
562 CTDB_CONTROL_TAKEOVER_IP = 89,
563 CTDB_CONTROL_GET_PUBLIC_IPS = 90,
564 CTDB_CONTROL_GET_NODEMAP = 91,
568 structure passed in set_call control
570 struct ctdb_control_set_call {
577 struct for tcp_client control
578 used by samba can not modify
580 struct ctdb_control_tcp {
581 struct sockaddr_in src; // samba uses this
582 struct sockaddr_in dest;// samba uses this
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);
967 uint32_t ctdb_reqid_new(struct ctdb_context *ctdb, void *state);
968 void *_ctdb_reqid_find(struct ctdb_context *ctdb, uint32_t reqid, const char *type, const char *location);
969 void ctdb_reqid_remove(struct ctdb_context *ctdb, uint32_t reqid);
971 void ctdb_request_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
972 void ctdb_reply_control(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
974 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
975 uint64_t srvid, uint32_t opcode, uint32_t client_id, uint32_t flags,
977 ctdb_control_callback_fn_t callback,
980 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
981 TDB_DATA *outdata, uint64_t tdb_flags, bool persistent);
983 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
984 ctdb_fn_t fn, int id);
986 int ctdb_control(struct ctdb_context *ctdb, uint32_t destnode, uint64_t srvid,
987 uint32_t opcode, uint32_t flags, TDB_DATA data,
988 TALLOC_CTX *mem_ctx, TDB_DATA *outdata, int32_t *status,
989 struct timeval *timeout, char **errormsg);
990 int ctdb_control_recv(struct ctdb_context *ctdb,
991 struct ctdb_client_control_state *state,
993 TDB_DATA *outdata, int32_t *status, char **errormsg);
995 struct ctdb_client_control_state *
996 ctdb_control_send(struct ctdb_context *ctdb,
997 uint32_t destnode, uint64_t srvid,
998 uint32_t opcode, uint32_t flags, TDB_DATA data,
1000 struct timeval *timeout,
1006 #define CHECK_CONTROL_DATA_SIZE(size) do { \
1007 if (indata.dsize != size) { \
1008 DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
1009 opcode, (unsigned)indata.dsize, (unsigned)size)); \
1014 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1015 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1016 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1017 int ctdb_control_getnodemapv4(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1018 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1019 int ctdb_control_writerecord(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata, TDB_DATA *outdata);
1022 struct ctdb_traverse_start {
1029 structure used to pass record data between the child and parent
1031 struct ctdb_rec_data {
1040 /* structure used for pulldb control */
1041 struct ctdb_control_pulldb {
1046 /* structure used for sending lists of records */
1047 struct ctdb_marshall_buffer {
1053 /* set dmaster control structure */
1054 struct ctdb_control_set_dmaster {
1060 structure for setting a tunable
1062 struct ctdb_control_set_tunable {
1069 structure for getting a tunable
1071 struct ctdb_control_get_tunable {
1077 structure for listing tunables
1079 struct ctdb_control_list_tunable {
1081 /* returns a : separated list of tunable names */
1086 /* table that contains a list of all nodes a ctdb knows about and their
1089 struct ctdb_node_and_flags {
1092 ctdb_sock_addr addr;
1095 struct ctdb_node_map {
1097 struct ctdb_node_and_flags nodes[1];
1100 struct ctdb_node_and_flagsv4 {
1103 struct sockaddr_in sin;
1106 struct ctdb_node_mapv4 {
1108 struct ctdb_node_and_flagsv4 nodes[1];
1111 struct ctdb_control_wipe_database {
1113 uint32_t transaction_id;
1117 state of a in-progress ctdb call in client
1119 struct ctdb_client_call_state {
1120 enum call_state state;
1122 struct ctdb_db_context *ctdb_db;
1123 struct ctdb_call *call;
1125 void (*fn)(struct ctdb_client_call_state *);
1131 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb, TDB_DATA indata,
1132 TDB_DATA *outdata, uint32_t srcnode);
1133 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1134 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb, TDB_DATA data, TDB_DATA *outdata);
1136 int ctdb_dispatch_message(struct ctdb_context *ctdb, uint64_t srvid, TDB_DATA data);
1138 int daemon_register_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1139 int ctdb_deregister_message_handler(struct ctdb_context *ctdb, uint64_t srvid, void *private_data);
1140 int daemon_deregister_message_handler(struct ctdb_context *ctdb, uint32_t client_id, uint64_t srvid);
1142 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
1143 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id, uint32_t srcnode);
1144 int32_t ctdb_ltdb_set_seqnum_frequency(struct ctdb_context *ctdb, uint32_t frequency);
1146 struct ctdb_rec_data *ctdb_marshall_record(TALLOC_CTX *mem_ctx, uint32_t reqid,
1147 TDB_DATA key, struct ctdb_ltdb_header *, TDB_DATA data);
1149 struct ctdb_rec_data *ctdb_marshall_loop_next(struct ctdb_marshall_buffer *m, struct ctdb_rec_data *r,
1151 struct ctdb_ltdb_header *header,
1152 TDB_DATA *key, TDB_DATA *data);
1154 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1155 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
1156 int32_t ctdb_control_set_dmaster(struct ctdb_context *ctdb, TDB_DATA indata);
1158 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
1159 struct ctdb_req_control *c,
1160 TDB_DATA indata, bool *async_reply,
1161 const char **errormsg);
1162 void ctdb_request_control_reply(struct ctdb_context *ctdb, struct ctdb_req_control *c,
1163 TDB_DATA *outdata, int32_t status, const char *errormsg);
1165 int32_t ctdb_control_freeze(struct ctdb_context *ctdb, struct ctdb_req_control *c, bool *async_reply);
1166 int32_t ctdb_control_thaw(struct ctdb_context *ctdb);
1168 int ctdb_start_recoverd(struct ctdb_context *ctdb);
1169 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
1171 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
1173 void ctdb_disable_monitoring(struct ctdb_context *ctdb);
1174 void ctdb_enable_monitoring(struct ctdb_context *ctdb);
1175 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
1176 void ctdb_start_monitoring(struct ctdb_context *ctdb);
1177 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
1178 void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
1179 void ctdb_start_keepalive(struct ctdb_context *ctdb);
1180 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
1181 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA data, bool *async_reply);
1184 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb, struct ctdb_node *node);
1185 void ctdb_call_resend_all(struct ctdb_context *ctdb);
1186 void ctdb_node_dead(struct ctdb_node *node);
1187 void ctdb_node_connected(struct ctdb_node *node);
1188 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
1189 void ctdb_set_scheduler(struct ctdb_context *ctdb);
1190 void ctdb_restore_scheduler(struct ctdb_context *ctdb);
1191 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
1192 struct ctdb_req_control *c,
1195 int32_t ctdb_control_takeover_ipv4(struct ctdb_context *ctdb,
1196 struct ctdb_req_control *c,
1199 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
1200 struct ctdb_req_control *c,
1203 int32_t ctdb_control_release_ipv4(struct ctdb_context *ctdb,
1204 struct ctdb_req_control *c,
1207 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
1208 struct ctdb_req_control *c,
1210 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
1211 struct ctdb_req_control *c,
1214 struct ctdb_public_ipv4 {
1216 struct sockaddr_in sin;
1219 struct ctdb_public_ip {
1221 ctdb_sock_addr addr;
1223 int ctdb_ctrl_takeover_ip(struct ctdb_context *ctdb, struct timeval timeout,
1224 uint32_t destnode, struct ctdb_public_ip *ip);
1225 int ctdb_ctrl_release_ip(struct ctdb_context *ctdb, struct timeval timeout,
1226 uint32_t destnode, struct ctdb_public_ip *ip);
1228 struct ctdb_all_public_ipsv4 {
1230 struct ctdb_public_ipv4 ips[1];
1233 struct ctdb_all_public_ips {
1235 struct ctdb_public_ip ips[1];
1237 int32_t ctdb_control_get_public_ipsv4(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1238 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb, struct ctdb_req_control *c, TDB_DATA *outdata);
1239 int ctdb_ctrl_get_public_ips(struct ctdb_context *ctdb,
1240 struct timeval timeout, uint32_t destnode,
1241 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1242 int ctdb_ctrl_get_public_ipsv4(struct ctdb_context *ctdb,
1243 struct timeval timeout, uint32_t destnode,
1244 TALLOC_CTX *mem_ctx, struct ctdb_all_public_ips **ips);
1247 /* from takeover/system.c */
1248 int ctdb_sys_send_arp(const ctdb_sock_addr *addr, const char *iface);
1249 bool ctdb_sys_have_ip(ctdb_sock_addr *addr);
1250 int ctdb_sys_send_tcp(const ctdb_sock_addr *dest,
1251 const ctdb_sock_addr *src,
1252 uint32_t seq, uint32_t ack, int rst);
1254 int ctdb_set_public_addresses(struct ctdb_context *ctdb, const char *alist);
1255 int ctdb_set_event_script(struct ctdb_context *ctdb, const char *script);
1256 int ctdb_set_event_script_dir(struct ctdb_context *ctdb, const char *script_dir);
1257 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map *nodemap);
1259 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
1261 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata);
1262 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
1263 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
1264 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1265 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb, TDB_DATA indata);
1266 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1267 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb, TDB_DATA indata);
1269 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
1270 int ctdb_event_script(struct ctdb_context *ctdb, const char *fmt, ...) PRINTF_ATTRIBUTE(2,3);
1271 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1272 struct timeval timeout,
1273 TALLOC_CTX *mem_ctx,
1274 void (*callback)(struct ctdb_context *, int, void *),
1276 const char *fmt, ...) PRINTF_ATTRIBUTE(6,7);
1277 void ctdb_release_all_ips(struct ctdb_context *ctdb);
1279 void set_nonblocking(int fd);
1280 void set_close_on_exec(int fd);
1282 bool ctdb_recovery_lock(struct ctdb_context *ctdb, bool keep);
1284 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
1286 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1288 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1289 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb, TDB_DATA *outdata);
1290 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb, TDB_DATA indata, TDB_DATA *outdata);
1291 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1292 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb, TDB_DATA indata);
1294 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1296 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
1298 int ctdb_ctrl_get_all_tunables(struct ctdb_context *ctdb,
1299 struct timeval timeout,
1301 struct ctdb_tunable *tunables);
1303 void ctdb_start_freeze(struct ctdb_context *ctdb);
1305 bool parse_ip_mask(const char *s, ctdb_sock_addr *addr, unsigned *mask);
1306 bool parse_ip_port(const char *s, ctdb_sock_addr *addr);
1307 bool parse_ip(const char *s, ctdb_sock_addr *addr);
1308 bool parse_ipv4(const char *s, unsigned port, struct sockaddr_in *sin);
1311 int ctdb_sys_open_capture_socket(const char *iface, void **private_data);
1312 int ctdb_sys_close_capture_socket(void *private_data);
1313 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);
1315 int ctdb_ctrl_killtcp(struct ctdb_context *ctdb,
1316 struct timeval timeout,
1318 struct ctdb_control_killtcp *killtcp);
1320 int ctdb_ctrl_add_public_ip(struct ctdb_context *ctdb,
1321 struct timeval timeout,
1323 struct ctdb_control_ip_iface *pub);
1325 int ctdb_ctrl_del_public_ip(struct ctdb_context *ctdb,
1326 struct timeval timeout,
1328 struct ctdb_control_ip_iface *pub);
1330 int ctdb_ctrl_gratious_arp(struct ctdb_context *ctdb,
1331 struct timeval timeout,
1333 ctdb_sock_addr *addr,
1334 const char *ifname);
1336 int ctdb_ctrl_get_tcp_tickles(struct ctdb_context *ctdb,
1337 struct timeval timeout,
1339 TALLOC_CTX *mem_ctx,
1340 ctdb_sock_addr *addr,
1341 struct ctdb_control_tcp_tickle_list **list);
1344 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
1347 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
1349 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
1351 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
1353 int32_t ctdb_control_uptime(struct ctdb_context *ctdb,
1356 int ctdb_attach_persistent(struct ctdb_context *ctdb);
1358 int32_t ctdb_control_persistent_store(struct ctdb_context *ctdb,
1359 struct ctdb_req_control *c,
1360 TDB_DATA recdata, bool *async_reply);
1361 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1362 struct ctdb_req_control *c, TDB_DATA recdata,
1364 int32_t ctdb_control_trans2_commit(struct ctdb_context *ctdb,
1365 struct ctdb_req_control *c,
1366 TDB_DATA recdata, bool *async_reply);
1368 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
1369 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
1370 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
1373 int ctdb_vacuum(struct ctdb_context *ctdb, int argc, const char **argv);
1374 int ctdb_repack(struct ctdb_context *ctdb, int argc, const char **argv);
1376 void ctdb_block_signal(int signum);
1377 void ctdb_unblock_signal(int signum);
1378 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
1379 int ctdb_set_child_logging(struct ctdb_context *ctdb);
1382 typedef void (*client_async_callback)(struct ctdb_context *ctdb, uint32_t node_pnn, int32_t res, TDB_DATA outdata, void *callback_data);
1384 struct client_async_data {
1385 enum ctdb_controls opcode;
1386 bool dont_log_errors;
1388 uint32_t fail_count;
1389 client_async_callback callback;
1390 client_async_callback fail_callback;
1391 void *callback_data;
1393 void ctdb_client_async_add(struct client_async_data *data, struct ctdb_client_control_state *state);
1394 int ctdb_client_async_wait(struct ctdb_context *ctdb, struct client_async_data *data);
1395 int ctdb_client_async_control(struct ctdb_context *ctdb,
1396 enum ctdb_controls opcode,
1398 struct timeval timeout,
1399 bool dont_log_errors,
1401 client_async_callback client_callback,
1402 client_async_callback fail_callback,
1403 void *callback_data);
1405 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
1407 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
1409 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
1410 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb, TDB_DATA *outdata);
1412 int32_t ctdb_control_trans2_finished(struct ctdb_context *ctdb,
1413 struct ctdb_req_control *c);
1414 int32_t ctdb_control_trans2_error(struct ctdb_context *ctdb,
1415 struct ctdb_req_control *c);
1417 char *ctdb_addr_to_str(ctdb_sock_addr *addr);
1418 void ctdb_canonicalize_ip(const ctdb_sock_addr *ip, ctdb_sock_addr *cip);
1420 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
1421 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb, uint32_t opcode, TDB_DATA indata);
1423 extern int script_log_level;