2 CTDB protocol marshalling
4 Copyright (C) Amitay Isaacs 2015
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_PROTOCOL_H__
21 #define __CTDB_PROTOCOL_H__
25 #define CTDB_MAGIC 0x43544442 /* CTDB */
26 #define CTDB_PROTOCOL 1
32 CTDB_REPLY_DMASTER
= 3,
37 CTDB_REPLY_CONTROL
= 8,
38 CTDB_REQ_KEEPALIVE
= 9,
42 /* used on the domain socket, send a pdu to the local daemon */
43 #define CTDB_CURRENT_NODE 0xF0000001
44 /* send a broadcast to all nodes in the cluster, active or not */
45 #define CTDB_BROADCAST_ALL 0xF0000002
46 /* send a broadcast to all nodes in the current vnn map */
47 #define CTDB_BROADCAST_ACTIVE 0xF0000003
48 /* send a broadcast to all connected nodes */
49 #define CTDB_BROADCAST_CONNECTED 0xF0000004
50 /* send a broadcast to selected connected nodes */
51 #define CTDB_MULTICAST 0xF0000005
53 #define CTDB_UNKNOWN_PNN 0xFFFFFFFF
55 /* the key used to store persistent db sequence number */
56 #define CTDB_DB_SEQNUM_KEY "__db_sequence_number__"
58 struct ctdb_req_header
{
61 uint32_t ctdb_version
;
69 struct ctdb_req_call
{
78 struct ctdb_reply_call
{
83 struct ctdb_reply_error
{
88 struct ctdb_req_dmaster
{
96 struct ctdb_reply_dmaster
{
103 #define CTDB_NULL_FUNC 0xFF000001
104 #define CTDB_FETCH_FUNC 0xFF000002
105 #define CTDB_FETCH_WITH_HEADER_FUNC 0xFF000003
113 #define CTDB_IMMEDIATE_MIGRATION 0x00000001
114 #define CTDB_CALL_FLAG_VACUUM_MIGRATION 0x00000002
115 #define CTDB_WANT_READONLY 0x00000004
119 /* SRVID to catch all messages */
120 #define CTDB_SRVID_ALL (~(uint64_t)0)
122 /* SRVID prefix used during recovery for pulling and pushing databases */
123 #define CTDB_SRVID_RECOVERY 0xF001000000000000LL
125 /* SRVID to assign of banning credits */
126 #define CTDB_SRVID_BANNING 0xF002000000000000LL
128 /* SRVID to inform of election data */
129 #define CTDB_SRVID_ELECTION 0xF100000000000000LL
131 /* SRVID for broadcasting leader */
132 #define CTDB_SRVID_LEADER 0xF101000000000000LL
134 /* SRVID to inform clients that the cluster has been reconfigured */
135 #define CTDB_SRVID_RECONFIGURE 0xF200000000000000LL
137 /* SRVID to inform clients an IP address has been released */
138 #define CTDB_SRVID_RELEASE_IP 0xF300000000000000LL
140 /* SRVID to inform clients that an IP address has been taken over */
141 #define CTDB_SRVID_TAKE_IP 0xF301000000000000LL
143 /* SRVID to inform recovery daemon of the node flags - OBSOLETE */
144 #define CTDB_SRVID_SET_NODE_FLAGS 0xF400000000000000LL
146 /* SRVID to inform recovery daemon to update public ip assignment */
147 #define CTDB_SRVID_RECD_UPDATE_IP 0xF500000000000000LL
149 /* SRVID to inform recovery daemon to migrate a set of records */
150 #define CTDB_SRVID_VACUUM_FETCH 0xF700000000000000LL
152 /* SRVID to inform recovery daemon to detach a database */
153 #define CTDB_SRVID_DETACH_DATABASE 0xF701000000000000LL
155 /* SRVID to inform recovery daemon to dump talloc memdump to the log */
156 #define CTDB_SRVID_MEM_DUMP 0xF800000000000000LL
158 /* SRVID to inform recovery daemon to send logs */
159 #define CTDB_SRVID_GETLOG 0xF801000000000000LL
161 /* SRVID to inform recovery daemon to clear logs */
162 #define CTDB_SRVID_CLEARLOG 0xF802000000000000LL
164 /* SRVID to inform recovery daemon to push the node flags to other nodes */
165 #define CTDB_SRVID_PUSH_NODE_FLAGS 0xF900000000000000LL
167 /* SRVID to inform recovery daemon to reload the nodes file */
168 #define CTDB_SRVID_RELOAD_NODES 0xFA00000000000000LL
170 /* SRVID to inform recovery daemon to perform a takeover run */
171 #define CTDB_SRVID_TAKEOVER_RUN 0xFB00000000000000LL
173 /* SRVID to inform recovery daemon to rebalance ips for a node. */
174 #define CTDB_SRVID_REBALANCE_NODE 0xFB01000000000000LL
176 /* SRVID to inform recovery daemon to stop takeover runs from occurring */
177 #define CTDB_SRVID_DISABLE_TAKEOVER_RUNS 0xFB03000000000000LL
179 /* SRVID to inform recovery daemon to stop recoveries from occurring */
180 #define CTDB_SRVID_DISABLE_RECOVERIES 0xFB04000000000000LL
182 /* SRVID to inform recovery daemon to disable the public ip checks */
183 #define CTDB_SRVID_DISABLE_IP_CHECK 0xFC00000000000000LL
185 /* A range of ports reserved for registering a PID (top 8 bits)
186 * All ports matching the 8 top bits are reserved for exclusive use by
187 * registering a SRVID that matches the process-id of the requesting process
189 #define CTDB_SRVID_PID_RANGE 0x0000000000000000LL
191 /* A range of ports reserved for samba (top 8 bits)
192 * All ports matching the 8 top bits are reserved for exclusive use by
195 #define CTDB_SRVID_SAMBA_NOTIFY 0xFE00000000000000LL
196 #define CTDB_SRVID_SAMBA_RANGE 0xFE00000000000000LL
198 /* A range of ports reserved for a CTDB NFS server (top 8 bits)
199 * All ports matching the 8 top bits are reserved for exclusive use by
202 #define CTDB_SRVID_NFSD_RANGE 0xEE00000000000000LL
204 /* A range of ports reserved for a CTDB ISCSI server (top 8 bits)
205 * All ports matching the 8 top bits are reserved for exclusive use by
208 #define CTDB_SRVID_ISCSID_RANGE 0xDE00000000000000LL
210 /* A range of ports reserved for CTDB tool (top 8 bits)
211 * All ports matching the 8 top bits are reserved for exclusive use by
214 #define CTDB_SRVID_TOOL_RANGE 0xCE00000000000000LL
216 /* A range of ports reserved by client (top 8 bits)
217 * All ports matching the 8 top bits are reserved for exclusive use by
220 #define CTDB_SRVID_CLIENT_RANGE 0xBE00000000000000LL
222 /* Range of ports reserved for test applications (top 8 bits)
223 * All ports matching the 8 top bits are reserved for exclusive use by
226 #define CTDB_SRVID_TEST_RANGE 0xAE00000000000000LL
229 enum ctdb_controls
{CTDB_CONTROL_PROCESS_EXISTS
= 0,
230 CTDB_CONTROL_STATISTICS
= 1,
232 CTDB_CONTROL_PING
= 3,
233 CTDB_CONTROL_GETDBPATH
= 4,
234 CTDB_CONTROL_GETVNNMAP
= 5,
235 CTDB_CONTROL_SETVNNMAP
= 6,
236 CTDB_CONTROL_GET_DEBUG
= 7,
237 CTDB_CONTROL_SET_DEBUG
= 8,
238 CTDB_CONTROL_GET_DBMAP
= 9,
239 CTDB_CONTROL_GET_NODEMAPv4
= 10, /* obsolete */
240 CTDB_CONTROL_SET_DMASTER
= 11, /* obsolete */
242 CTDB_CONTROL_PULL_DB
= 13, /* obsolete */
243 CTDB_CONTROL_PUSH_DB
= 14, /* obsolete */
244 CTDB_CONTROL_GET_RECMODE
= 15,
245 CTDB_CONTROL_SET_RECMODE
= 16,
246 CTDB_CONTROL_STATISTICS_RESET
= 17,
247 CTDB_CONTROL_DB_ATTACH
= 18,
248 CTDB_CONTROL_SET_CALL
= 19, /* obsolete */
249 CTDB_CONTROL_TRAVERSE_START
= 20,
250 CTDB_CONTROL_TRAVERSE_ALL
= 21,
251 CTDB_CONTROL_TRAVERSE_DATA
= 22,
252 CTDB_CONTROL_REGISTER_SRVID
= 23,
253 CTDB_CONTROL_DEREGISTER_SRVID
= 24,
254 CTDB_CONTROL_GET_DBNAME
= 25,
255 CTDB_CONTROL_ENABLE_SEQNUM
= 26,
256 CTDB_CONTROL_UPDATE_SEQNUM
= 27,
258 CTDB_CONTROL_DUMP_MEMORY
= 29,
259 CTDB_CONTROL_GET_PID
= 30,
260 CTDB_CONTROL_GET_RECMASTER
= 31, /* obsolete */
261 CTDB_CONTROL_SET_RECMASTER
= 32, /* obsolete */
262 CTDB_CONTROL_FREEZE
= 33,
263 CTDB_CONTROL_THAW
= 34, /* obsolete */
264 CTDB_CONTROL_GET_PNN
= 35,
265 CTDB_CONTROL_SHUTDOWN
= 36,
266 CTDB_CONTROL_GET_MONMODE
= 37, /* obsolete */
271 CTDB_CONTROL_TAKEOVER_IPv4
= 42, /* obsolete */
272 CTDB_CONTROL_RELEASE_IPv4
= 43, /* obsolete */
273 CTDB_CONTROL_TCP_CLIENT
= 44,
274 CTDB_CONTROL_TCP_ADD
= 45,
275 CTDB_CONTROL_TCP_REMOVE
= 46,
276 CTDB_CONTROL_STARTUP
= 47,
277 CTDB_CONTROL_SET_TUNABLE
= 48,
278 CTDB_CONTROL_GET_TUNABLE
= 49,
279 CTDB_CONTROL_LIST_TUNABLES
= 50,
280 CTDB_CONTROL_GET_PUBLIC_IPSv4
= 51, /* obsolete */
281 CTDB_CONTROL_MODIFY_FLAGS
= 52,
282 CTDB_CONTROL_GET_ALL_TUNABLES
= 53,
283 CTDB_CONTROL_KILL_TCP
= 54, /* obsolete */
284 CTDB_CONTROL_GET_TCP_TICKLE_LIST
= 55,
285 CTDB_CONTROL_SET_TCP_TICKLE_LIST
= 56,
286 CTDB_CONTROL_REGISTER_SERVER_ID
= 57, /* obsolete */
287 CTDB_CONTROL_UNREGISTER_SERVER_ID
= 58, /* obsolete */
288 CTDB_CONTROL_CHECK_SERVER_ID
= 59, /* obsolete */
289 CTDB_CONTROL_GET_SERVER_ID_LIST
= 60, /* obsolete */
290 CTDB_CONTROL_DB_ATTACH_PERSISTENT
= 61,
291 CTDB_CONTROL_PERSISTENT_STORE
= 62, /* obsolete */
292 CTDB_CONTROL_UPDATE_RECORD
= 63,
293 CTDB_CONTROL_SEND_GRATUITOUS_ARP
= 64,
294 CTDB_CONTROL_TRANSACTION_START
= 65, /* obsolete */
295 CTDB_CONTROL_TRANSACTION_COMMIT
= 66, /* obsolete */
296 CTDB_CONTROL_WIPE_DATABASE
= 67,
298 CTDB_CONTROL_UPTIME
= 69,
299 CTDB_CONTROL_START_RECOVERY
= 70,
300 CTDB_CONTROL_END_RECOVERY
= 71,
301 CTDB_CONTROL_RELOAD_NODES_FILE
= 72,
303 CTDB_CONTROL_TRY_DELETE_RECORDS
= 74,
304 CTDB_CONTROL_ENABLE_MONITOR
= 75, /* obsolete */
305 CTDB_CONTROL_DISABLE_MONITOR
= 76, /* obsolete */
306 CTDB_CONTROL_ADD_PUBLIC_IP
= 77,
307 CTDB_CONTROL_DEL_PUBLIC_IP
= 78,
308 CTDB_CONTROL_RUN_EVENTSCRIPTS
= 79, /* obsolete */
309 CTDB_CONTROL_GET_CAPABILITIES
= 80,
310 CTDB_CONTROL_START_PERSISTENT_UPDATE
= 81, /* obsolete */
311 CTDB_CONTROL_CANCEL_PERSISTENT_UPDATE
= 82, /* obsolete */
312 CTDB_CONTROL_TRANS2_COMMIT
= 83, /* obsolete */
313 CTDB_CONTROL_TRANS2_FINISHED
= 84, /* obsolete */
314 CTDB_CONTROL_TRANS2_ERROR
= 85, /* obsolete */
315 CTDB_CONTROL_TRANS2_COMMIT_RETRY
= 86, /* obsolete */
316 CTDB_CONTROL_RECD_PING
= 87,
317 CTDB_CONTROL_RELEASE_IP
= 88,
318 CTDB_CONTROL_TAKEOVER_IP
= 89,
319 CTDB_CONTROL_GET_PUBLIC_IPS
= 90,
320 CTDB_CONTROL_GET_NODEMAP
= 91,
322 CTDB_CONTROL_GET_EVENT_SCRIPT_STATUS
= 96, /* obsolete */
323 CTDB_CONTROL_TRAVERSE_KILL
= 97,
324 CTDB_CONTROL_RECD_RECLOCK_LATENCY
= 98,
325 CTDB_CONTROL_GET_RECLOCK_FILE
= 99,
326 CTDB_CONTROL_SET_RECLOCK_FILE
= 100, /* obsolete */
327 CTDB_CONTROL_STOP_NODE
= 101,
328 CTDB_CONTROL_CONTINUE_NODE
= 102,
329 CTDB_CONTROL_SET_NATGWSTATE
= 103, /* obsolete */
330 CTDB_CONTROL_SET_LMASTERROLE
= 104,
331 CTDB_CONTROL_SET_RECMASTERROLE
= 105,
332 CTDB_CONTROL_ENABLE_SCRIPT
= 107, /* obsolete */
333 CTDB_CONTROL_DISABLE_SCRIPT
= 108, /* obsolete */
334 CTDB_CONTROL_SET_BAN_STATE
= 109,
335 CTDB_CONTROL_GET_BAN_STATE
= 110,
336 CTDB_CONTROL_SET_DB_PRIORITY
= 111, /* obsolete */
337 CTDB_CONTROL_GET_DB_PRIORITY
= 112, /* obsolete */
338 CTDB_CONTROL_TRANSACTION_CANCEL
= 113, /* obsolete */
339 CTDB_CONTROL_REGISTER_NOTIFY
= 114,
340 CTDB_CONTROL_DEREGISTER_NOTIFY
= 115,
341 CTDB_CONTROL_TRANS2_ACTIVE
= 116, /* obsolete */
342 CTDB_CONTROL_GET_LOG
= 117, /* obsolete */
343 CTDB_CONTROL_CLEAR_LOG
= 118, /* obsolete */
344 CTDB_CONTROL_TRANS3_COMMIT
= 119,
345 CTDB_CONTROL_GET_DB_SEQNUM
= 120,
346 CTDB_CONTROL_DB_SET_HEALTHY
= 121,
347 CTDB_CONTROL_DB_GET_HEALTH
= 122,
348 CTDB_CONTROL_GET_PUBLIC_IP_INFO
= 123,
349 CTDB_CONTROL_GET_IFACES
= 124,
350 CTDB_CONTROL_SET_IFACE_LINK_STATE
= 125,
351 CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE
= 126,
352 CTDB_CONTROL_GET_STAT_HISTORY
= 127,
353 CTDB_CONTROL_SCHEDULE_FOR_DELETION
= 128,
354 CTDB_CONTROL_SET_DB_READONLY
= 129,
355 CTDB_CONTROL_CHECK_SRVIDS
= 130, /* obsolete */
356 CTDB_CONTROL_TRAVERSE_START_EXT
= 131,
357 CTDB_CONTROL_GET_DB_STATISTICS
= 132,
358 CTDB_CONTROL_SET_DB_STICKY
= 133,
359 CTDB_CONTROL_RELOAD_PUBLIC_IPS
= 134,
360 CTDB_CONTROL_TRAVERSE_ALL_EXT
= 135,
361 CTDB_CONTROL_RECEIVE_RECORDS
= 136, /* obsolete */
362 CTDB_CONTROL_IPREALLOCATED
= 137,
363 CTDB_CONTROL_GET_RUNSTATE
= 138,
364 CTDB_CONTROL_DB_DETACH
= 139,
365 CTDB_CONTROL_GET_NODES_FILE
= 140,
366 CTDB_CONTROL_DB_FREEZE
= 141,
367 CTDB_CONTROL_DB_THAW
= 142,
368 CTDB_CONTROL_DB_TRANSACTION_START
= 143,
369 CTDB_CONTROL_DB_TRANSACTION_COMMIT
= 144,
370 CTDB_CONTROL_DB_TRANSACTION_CANCEL
= 145,
371 CTDB_CONTROL_DB_PULL
= 146,
372 CTDB_CONTROL_DB_PUSH_START
= 147,
373 CTDB_CONTROL_DB_PUSH_CONFIRM
= 148,
374 CTDB_CONTROL_DB_OPEN_FLAGS
= 149,
375 CTDB_CONTROL_DB_ATTACH_REPLICATED
= 150,
376 CTDB_CONTROL_CHECK_PID_SRVID
= 151,
377 CTDB_CONTROL_TUNNEL_REGISTER
= 152,
378 CTDB_CONTROL_TUNNEL_DEREGISTER
= 153,
379 CTDB_CONTROL_VACUUM_FETCH
= 154,
380 CTDB_CONTROL_DB_VACUUM
= 155,
381 CTDB_CONTROL_ECHO_DATA
= 156,
382 CTDB_CONTROL_DISABLE_NODE
= 157,
383 CTDB_CONTROL_ENABLE_NODE
= 158,
386 #define MAX_COUNT_BUCKETS 16
387 #define MAX_HOT_KEYS 10
389 struct ctdb_latency_counter
{
396 struct ctdb_statistics
{
397 uint32_t num_clients
;
400 uint32_t client_packets_sent
;
401 uint32_t client_packets_recv
;
402 uint32_t node_packets_sent
;
403 uint32_t node_packets_recv
;
404 uint32_t keepalive_packets_sent
;
405 uint32_t keepalive_packets_recv
;
409 uint32_t req_dmaster
;
410 uint32_t reply_dmaster
;
411 uint32_t reply_error
;
412 uint32_t req_message
;
413 uint32_t req_control
;
414 uint32_t reply_control
;
419 uint32_t req_message
;
420 uint32_t req_control
;
429 struct ctdb_latency_counter ctdbd
;
430 struct ctdb_latency_counter recd
;
434 uint32_t num_current
;
435 uint32_t num_pending
;
437 struct ctdb_latency_counter latency
;
438 uint32_t buckets
[MAX_COUNT_BUCKETS
];
440 uint32_t total_calls
;
441 uint32_t pending_calls
;
442 uint32_t childwrite_calls
;
443 uint32_t pending_childwrite_calls
;
444 uint32_t memory_used
;
445 uint32_t __last_counter
; /* hack */
446 uint32_t max_hop_count
;
447 uint32_t hop_count_bucket
[MAX_COUNT_BUCKETS
];
448 struct ctdb_latency_counter call_latency
;
449 struct ctdb_latency_counter childwrite_latency
;
450 uint32_t num_recoveries
;
451 struct timeval statistics_start_time
;
452 struct timeval statistics_current_time
;
453 uint32_t total_ro_delegations
;
454 uint32_t total_ro_revokes
;
457 #define INVALID_GENERATION 1
458 /* table that contains the mapping between a hash value and lmaster
460 struct ctdb_vnn_map
{
468 #define CTDB_DB_FLAGS_PERSISTENT 0x01
469 #define CTDB_DB_FLAGS_READONLY 0x02
470 #define CTDB_DB_FLAGS_STICKY 0x04
471 #define CTDB_DB_FLAGS_REPLICATED 0x08
475 struct ctdb_dbid_map
{
477 struct ctdb_dbid
*dbs
;
482 #define CTDB_LMASTER_ANY 0xffffffff
486 struct ctdb_pulldb_ext
{
492 #define CTDB_RECOVERY_NORMAL 0
493 #define CTDB_RECOVERY_ACTIVE 1
496 the extended header for records in the ltdb
498 struct ctdb_ltdb_header
{
502 #define CTDB_REC_FLAG_DEFAULT 0x00000000
503 #define CTDB_REC_FLAG_MIGRATED_WITH_DATA 0x00010000
504 #define CTDB_REC_FLAG_VACUUM_MIGRATED 0x00020000
505 #define CTDB_REC_FLAG_AUTOMATIC 0x00040000
506 #define CTDB_REC_RO_HAVE_DELEGATIONS 0x01000000
507 #define CTDB_REC_RO_HAVE_READONLY 0x02000000
508 #define CTDB_REC_RO_REVOKING_READONLY 0x04000000
509 #define CTDB_REC_RO_REVOKE_COMPLETE 0x08000000
510 #define CTDB_REC_RO_FLAGS (CTDB_REC_RO_HAVE_DELEGATIONS|\
511 CTDB_REC_RO_HAVE_READONLY|\
512 CTDB_REC_RO_REVOKING_READONLY|\
513 CTDB_REC_RO_REVOKE_COMPLETE)
517 struct ctdb_rec_data
{
519 struct ctdb_ltdb_header
*header
;
523 struct ctdb_rec_buffer
{
530 typedef int (*ctdb_rec_parser_func_t
)(uint32_t reqid
,
531 struct ctdb_ltdb_header
*header
,
532 TDB_DATA key
, TDB_DATA data
,
535 struct ctdb_traverse_start
{
541 struct ctdb_traverse_all
{
545 uint32_t client_reqid
;
549 struct ctdb_traverse_start_ext
{
553 bool withemptyrecords
;
556 struct ctdb_traverse_all_ext
{
560 uint32_t client_reqid
;
562 bool withemptyrecords
;
567 struct sockaddr_in ip
;
568 struct sockaddr_in6 ip6
;
571 struct ctdb_connection
{
574 ctdb_sock_addr server
;
578 ctdb_sock_addr client
;
582 struct ctdb_connection_list
{
584 struct ctdb_connection
*conn
;
587 struct ctdb_tunable
{
592 struct ctdb_var_list
{
597 struct ctdb_node_flag_change
{
603 /* all tunable variables go in here */
604 struct ctdb_tunable_list
{
605 uint32_t max_redirect_count
;
606 uint32_t seqnum_interval
; /* unit is ms */
607 uint32_t control_timeout
;
608 uint32_t traverse_timeout
;
609 uint32_t keepalive_interval
;
610 uint32_t keepalive_limit
;
611 uint32_t recover_timeout
;
612 uint32_t recover_interval
;
613 uint32_t election_timeout
;
614 uint32_t takeover_timeout
;
615 uint32_t monitor_interval
;
616 uint32_t tickle_update_interval
;
617 uint32_t script_timeout
;
618 uint32_t monitor_timeout_count
; /* allow dodgy scripts to hang this many times in a row before we mark the node unhealthy */
619 uint32_t script_unhealthy_on_timeout
; /* obsolete */
620 uint32_t recovery_grace_period
;
621 uint32_t recovery_ban_period
;
622 uint32_t database_hash_size
;
623 uint32_t database_max_dead
;
624 uint32_t rerecovery_timeout
;
625 uint32_t enable_bans
;
626 uint32_t deterministic_public_ips
;
627 uint32_t reclock_ping_period
;
628 uint32_t no_ip_failback
;
629 uint32_t disable_ip_failover
;
630 uint32_t verbose_memory_names
;
631 uint32_t recd_ping_timeout
;
632 uint32_t recd_ping_failcount
;
633 uint32_t log_latency_ms
;
634 uint32_t reclock_latency_ms
;
635 uint32_t recovery_drop_all_ips
;
636 uint32_t verify_recovery_lock
;
637 uint32_t vacuum_interval
;
638 uint32_t vacuum_max_run_time
;
639 uint32_t repack_limit
;
640 uint32_t vacuum_limit
;
641 uint32_t max_queue_depth_drop_msg
;
642 uint32_t allow_unhealthy_db_read
;
643 uint32_t stat_history_interval
;
644 uint32_t deferred_attach_timeout
;
645 uint32_t vacuum_fast_path_count
;
646 uint32_t lcp2_public_ip_assignment
;
647 uint32_t allow_client_db_attach
;
648 uint32_t recover_pdb_by_seqnum
;
649 uint32_t deferred_rebalance_on_node_add
;
650 uint32_t fetch_collapse
;
651 uint32_t hopcount_make_sticky
;
652 uint32_t sticky_duration
;
653 uint32_t sticky_pindown
;
654 uint32_t no_ip_takeover
;
655 uint32_t db_record_count_warn
;
656 uint32_t db_record_size_warn
;
657 uint32_t db_size_warn
;
658 uint32_t pulldb_preallocation_size
;
659 uint32_t no_ip_host_on_all_disabled
;
660 uint32_t samba3_hack
;
661 uint32_t mutex_enabled
;
662 uint32_t lock_processes_per_db
;
663 uint32_t rec_buffer_size_limit
;
664 uint32_t queue_buffer_size
;
665 uint32_t ip_alloc_algorithm
;
666 uint32_t allow_mixed_versions
;
669 struct ctdb_tickle_list
{
672 struct ctdb_connection
*conn
;
675 struct ctdb_addr_info
{
681 struct ctdb_transdb
{
687 struct timeval current_time
;
688 struct timeval ctdbd_start_time
;
689 struct timeval last_recovery_started
;
690 struct timeval last_recovery_finished
;
693 struct ctdb_public_ip
{
698 struct ctdb_public_ip_list
{
700 struct ctdb_public_ip
*ip
;
706 #define NODE_FLAGS_DISCONNECTED 0x00000001 /* node isn't connected */
707 #define NODE_FLAGS_UNHEALTHY 0x00000002 /* monitoring says node is unhealthy */
708 #define NODE_FLAGS_PERMANENTLY_DISABLED 0x00000004 /* administrator has disabled node */
709 #define NODE_FLAGS_BANNED 0x00000008 /* recovery daemon has banned the node */
710 #define NODE_FLAGS_DELETED 0x00000010 /* this node has been deleted */
711 #define NODE_FLAGS_STOPPED 0x00000020 /* this node has been stopped */
712 #define NODE_FLAGS_DISABLED (NODE_FLAGS_UNHEALTHY|NODE_FLAGS_PERMANENTLY_DISABLED)
713 #define NODE_FLAGS_INACTIVE (NODE_FLAGS_DELETED|NODE_FLAGS_DISCONNECTED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)
718 #define CTDB_CAP_RECMASTER 0x00000001
719 #define CTDB_CAP_LMASTER 0x00000002
720 #define CTDB_CAP_LVS 0x00000004 /* obsolete */
721 #define CTDB_CAP_NATGW 0x00000008 /* obsolete */
726 #define CTDB_CAP_PARALLEL_RECOVERY 0x00010000
727 #define CTDB_CAP_FRAGMENTED_CONTROLS 0x00020000
729 #define CTDB_CAP_FEATURES (CTDB_CAP_PARALLEL_RECOVERY | \
730 CTDB_CAP_FRAGMENTED_CONTROLS)
732 #define CTDB_CAP_DEFAULT (CTDB_CAP_RECMASTER | \
736 struct ctdb_node_and_flags
{
742 struct ctdb_node_map
{
744 struct ctdb_node_and_flags
*node
;
748 CTDB_EVENT_INIT
, /* CTDB starting up: no args */
749 CTDB_EVENT_SETUP
, /* CTDB starting up after transport is readdy: no args. */
750 CTDB_EVENT_STARTUP
, /* CTDB starting up after initial recovery: no args. */
751 CTDB_EVENT_START_RECOVERY
, /* CTDB recovery starting: no args. */
752 CTDB_EVENT_RECOVERED
, /* CTDB recovery finished: no args. */
753 CTDB_EVENT_TAKE_IP
, /* IP taken: interface, IP address, netmask bits. */
754 CTDB_EVENT_RELEASE_IP
, /* IP released: interface, IP address, netmask bits. */
755 CTDB_EVENT_STOPPED
, /* Deprecated, do not use. */
756 CTDB_EVENT_MONITOR
, /* Please check if service is healthy: no args. */
757 CTDB_EVENT_STATUS
, /* Deprecated, do not use. */
758 CTDB_EVENT_SHUTDOWN
, /* CTDB shutting down: no args. */
759 CTDB_EVENT_RELOAD
, /* Deprecated, do not use */
760 CTDB_EVENT_UPDATE_IP
, /* IP updating: old interface, new interface, IP address, netmask bits. */
761 CTDB_EVENT_IPREALLOCATED
, /* when a takeover_run() completes */
765 #define MAX_SCRIPT_NAME 31
766 #define MAX_SCRIPT_OUTPUT 511
769 char name
[MAX_SCRIPT_NAME
+1];
770 struct timeval start
;
771 struct timeval finished
;
773 char output
[MAX_SCRIPT_OUTPUT
+1];
776 struct ctdb_script_list
{
777 uint32_t num_scripts
;
778 struct ctdb_script
*script
;
781 struct ctdb_ban_state
{
786 struct ctdb_notify_data
{
792 #define CTDB_IFACE_SIZE IFNAMSIZ
794 #define CTDB_IFACE_SIZE 16
798 char name
[CTDB_IFACE_SIZE
+2];
803 struct ctdb_iface_list
{
805 struct ctdb_iface
*iface
;
808 struct ctdb_public_ip_info
{
809 struct ctdb_public_ip ip
;
811 struct ctdb_iface_list
*ifaces
;
814 struct ctdb_statistics_list
{
816 struct ctdb_statistics
*stats
;
819 struct ctdb_key_data
{
821 struct ctdb_ltdb_header header
;
825 struct ctdb_db_statistics
{
828 uint32_t num_current
;
829 uint32_t num_pending
;
831 struct ctdb_latency_counter latency
;
832 uint32_t buckets
[MAX_COUNT_BUCKETS
];
835 struct ctdb_latency_counter latency
;
837 uint32_t db_ro_delegations
;
838 uint32_t db_ro_revokes
;
839 uint32_t hop_count_bucket
[MAX_COUNT_BUCKETS
];
840 uint32_t num_hot_keys
;
844 } hot_keys
[MAX_HOT_KEYS
];
848 CTDB_RUNSTATE_UNKNOWN
,
851 CTDB_RUNSTATE_FIRST_RECOVERY
,
852 CTDB_RUNSTATE_STARTUP
,
853 CTDB_RUNSTATE_RUNNING
,
854 CTDB_RUNSTATE_SHUTDOWN
,
857 struct ctdb_pid_srvid
{
862 struct ctdb_db_vacuum
{
864 bool full_vacuum_run
;
868 struct ctdb_echo_data
{
873 struct ctdb_req_control_data
{
878 struct ctdb_vnn_map
*vnnmap
;
880 struct ctdb_pulldb
*pulldb
;
881 struct ctdb_pulldb_ext
*pulldb_ext
;
882 struct ctdb_rec_buffer
*recbuf
;
885 struct ctdb_traverse_start
*traverse_start
;
886 struct ctdb_traverse_all
*traverse_all
;
887 struct ctdb_rec_data
*rec_data
;
889 struct ctdb_connection
*conn
;
890 struct ctdb_tunable
*tunable
;
892 struct ctdb_node_flag_change
*flag_change
;
893 ctdb_sock_addr
*addr
;
894 struct ctdb_tickle_list
*tickles
;
895 struct ctdb_client_id
*cid
;
896 struct ctdb_addr_info
*addr_info
;
897 struct ctdb_transdb
*transdb
;
898 struct ctdb_public_ip
*pubip
;
899 enum ctdb_event event
;
900 double reclock_latency
;
902 struct ctdb_ban_state
*ban_state
;
903 struct ctdb_notify_data
*notify
;
905 struct ctdb_iface
*iface
;
906 struct ctdb_key_data
*key
;
907 struct ctdb_traverse_start_ext
*traverse_start_ext
;
908 struct ctdb_traverse_all_ext
*traverse_all_ext
;
909 struct ctdb_pid_srvid
*pid_srvid
;
910 struct ctdb_db_vacuum
*db_vacuum
;
911 struct ctdb_echo_data
*echo_data
;
915 struct ctdb_reply_control_data
{
918 struct ctdb_statistics
*stats
;
920 struct ctdb_vnn_map
*vnnmap
;
922 struct ctdb_dbid_map
*dbmap
;
923 struct ctdb_rec_buffer
*recbuf
;
928 struct ctdb_var_list
*tun_var_list
;
929 struct ctdb_tunable_list
*tun_list
;
930 struct ctdb_tickle_list
*tickles
;
931 struct ctdb_client_id_map
*cid_map
;
932 struct ctdb_uptime
*uptime
;
934 struct ctdb_public_ip_list
*pubip_list
;
935 struct ctdb_node_map
*nodemap
;
936 const char *reclock_file
;
937 struct ctdb_ban_state
*ban_state
;
940 struct ctdb_public_ip_info
*ipinfo
;
941 struct ctdb_iface_list
*iface_list
;
942 struct ctdb_statistics_list
*stats_list
;
943 struct ctdb_db_statistics
*dbstats
;
944 enum ctdb_runstate runstate
;
945 uint32_t num_records
;
947 struct ctdb_echo_data
*echo_data
;
951 struct ctdb_req_control
{
956 #define CTDB_CTRL_FLAG_NOREPLY 1
957 #define CTDB_CTRL_FLAG_OPCODE_SPECIFIC 0xFFFF0000
958 /* Ugly overloading of this field... */
959 #define CTDB_PUBLIC_IP_FLAGS_ONLY_AVAILABLE 0x00010000
960 #define CTDB_CTRL_FLAG_ATTACH_RECOVERY 0x00020000
962 struct ctdb_req_control_data rdata
;
965 struct ctdb_reply_control
{
968 struct ctdb_reply_control_data rdata
;
971 struct ctdb_election_message
{
972 uint32_t num_connected
;
973 struct timeval priority_time
;
978 struct ctdb_srvid_message
{
983 struct ctdb_disable_message
{
989 union ctdb_message_data
{
991 struct ctdb_election_message
*election
;
992 /* SRVID_RELEASE_IP, SRVID_TAKE_IP */
994 /* SRVID_SET_NODE_FLAGS, SERVID_PUSH_NODE_FLAGS */
995 struct ctdb_node_flag_change
*flag_change
;
996 /* SRVID_RECD_UPDATE_IP */
997 struct ctdb_public_ip
*pubip
;
998 /* SRVID_VACUUM_FETCH */
999 struct ctdb_rec_buffer
*recbuf
;
1000 /* SRVID_DETACH_DATABASE */
1002 /* SRVID_MEM_DUMP, SRVID_TAKEOVER_RUN */
1003 struct ctdb_srvid_message
*msg
;
1004 /* SRVID_BANNING, SRVID_REBALANCE_NODE, SRVID_LEADER */
1006 /* SRVID_DISABLE_TAKEOVER_RUNS, SRVID_DISABLE_RECOVERIES */
1007 struct ctdb_disable_message
*disable
;
1008 /* SRVID_DISABLE_IP_CHECK */
1014 struct ctdb_req_message
{
1016 union ctdb_message_data data
;
1019 struct ctdb_req_message_data
{
1024 struct ctdb_req_keepalive
{
1029 #define CTDB_TUNNEL_TEST 0xffffffff00000000
1031 #define CTDB_TUNNEL_FLAG_REQUEST 0x00000001
1032 #define CTDB_TUNNEL_FLAG_REPLY 0x00000002
1033 #define CTDB_TUNNEL_FLAG_NOREPLY 0x00000010
1035 struct ctdb_req_tunnel
{
1042 /* This is equivalent to server_id */
1043 struct ctdb_server_id
{
1050 enum ctdb_g_lock_type
{
1051 CTDB_G_LOCK_READ
= 0,
1052 CTDB_G_LOCK_WRITE
= 1,
1055 struct ctdb_g_lock
{
1056 enum ctdb_g_lock_type type
;
1057 struct ctdb_server_id sid
;
1060 struct ctdb_g_lock_list
{
1062 struct ctdb_g_lock
*lock
;
1066 * Generic packet header
1069 struct sock_packet_header
{
1074 #endif /* __CTDB_PROTOCOL_H__ */