ctdb/include/ctdb_private.h

   1 /*
   2    ctdb database library
   3
   4    Copyright (C) Andrew Tridgell  2006
   5
   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.
  10
  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.
  15
  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/>.
  18 */
  19
  20 #ifndef _CTDB_PRIVATE_H
  21 #define _CTDB_PRIVATE_H
  22
  23 #include "ctdb_client.h"
  24 #include <sys/socket.h>
  25
  26 /*
  27   array of tcp connections
  28  */
  29 struct ctdb_tcp_array {
  30         uint32_t num;
  31         struct ctdb_connection *connections;
  32 };
  33
  34 /*
  35   an installed ctdb remote call
  36 */
  37 struct ctdb_registered_call {
  38         struct ctdb_registered_call *next, *prev;
  39         uint32_t id;
  40         ctdb_fn_t fn;
  41 };
  42
  43 /*
  44   check that a pnn is valid
  45  */
  46 #define ctdb_validate_pnn(ctdb, pnn) (((uint32_t)(pnn)) < (ctdb)->num_nodes)
  47
  48
  49 /* called from the queue code when a packet comes in. Called with data==NULL
  50    on error */
  51 typedef void (*ctdb_queue_cb_fn_t)(uint8_t *data, size_t length,
  52                                    void *private_data);
  53
  54 /* used for callbacks in ctdb_control requests */
  55 typedef void (*ctdb_control_callback_fn_t)(struct ctdb_context *,
  56                                            int32_t status, TDB_DATA data,
  57                                            const char *errormsg,
  58                                            void *private_data);
  59 /*
  60   structure describing a connected client in the daemon
  61  */
  62 struct ctdb_client {
  63         struct ctdb_context *ctdb;
  64         int fd;
  65         struct ctdb_queue *queue;
  66         uint32_t client_id;
  67         pid_t pid;
  68         struct ctdb_tcp_list *tcp_list;
  69         uint32_t db_id;
  70         uint32_t num_persistent_updates;
  71         struct ctdb_client_notify_list *notify;
  72 };
  73
  74 /* state associated with a public ip address */
  75 struct ctdb_vnn {
  76         struct ctdb_vnn *prev, *next;
  77
  78         struct ctdb_interface *iface;
  79         const char **ifaces;
  80         ctdb_sock_addr public_address;
  81         uint8_t public_netmask_bits;
  82
  83         /* the node number that is serving this public address, if any.
  84            If no node serves this ip it is set to -1 */
  85         int32_t pnn;
  86
  87         /* List of clients to tickle for this public address */
  88         struct ctdb_tcp_array *tcp_array;
  89
  90         /* whether we need to update the other nodes with changes to our list
  91            of connected clients */
  92         bool tcp_update_needed;
  93
  94         /* a context to hang sending gratious arp events off */
  95         TALLOC_CTX *takeover_ctx;
  96
  97         struct ctdb_kill_tcp *killtcp;
  98
  99         /* Set to true any time an update to this VNN is in flight.
 100            This helps to avoid races. */
 101         bool update_in_flight;
 102
 103         /* If CTDB_CONTROL_DEL_PUBLIC_IP is received for this IP
 104          * address then this flag is set.  It will be deleted in the
 105          * release IP callback. */
 106         bool delete_pending;
 107 };
 108
 109 /*
 110   state associated with one node
 111 */
 112 struct ctdb_node {
 113         struct ctdb_context *ctdb;
 114         ctdb_sock_addr address;
 115         const char *name; /* for debug messages */
 116         void *private_data; /* private to transport */
 117         uint32_t pnn;
 118         uint32_t flags;
 119
 120         /* used by the dead node monitoring */
 121         uint32_t dead_count;
 122         uint32_t rx_cnt;
 123         uint32_t tx_cnt;
 124
 125         /* a list of controls pending to this node, so we can time them out quickly
 126            if the node becomes disconnected */
 127         struct daemon_control_state *pending_controls;
 128
 129         /* used by the recovery dameon to track when a node should be banned */
 130         struct ctdb_banning_state *ban_state;
 131 };
 132
 133 /*
 134   transport specific methods
 135 */
 136 struct ctdb_methods {
 137         int (*initialise)(struct ctdb_context *); /* initialise transport structures */
 138         int (*start)(struct ctdb_context *); /* start the transport */
 139         int (*add_node)(struct ctdb_node *); /* setup a new node */
 140         int (*connect_node)(struct ctdb_node *); /* connect to node */
 141         int (*queue_pkt)(struct ctdb_node *, uint8_t *data, uint32_t length);
 142         void *(*allocate_pkt)(TALLOC_CTX *mem_ctx, size_t );
 143         void (*shutdown)(struct ctdb_context *); /* shutdown transport */
 144         void (*restart)(struct ctdb_node *); /* stop and restart the connection */
 145 };
 146
 147 /*
 148   transport calls up to the ctdb layer
 149 */
 150 struct ctdb_upcalls {
 151         /* recv_pkt is called when a packet comes in */
 152         void (*recv_pkt)(struct ctdb_context *, uint8_t *data, uint32_t length);
 153
 154         /* node_dead is called when an attempt to send to a node fails */
 155         void (*node_dead)(struct ctdb_node *);
 156
 157         /* node_connected is called when a connection to a node is established */
 158         void (*node_connected)(struct ctdb_node *);
 159 };
 160
 161 /* additional data required for the daemon mode */
 162 struct ctdb_daemon_data {
 163         int sd;
 164         char *name;
 165         struct ctdb_queue *queue;
 166 };
 167
 168
 169 #define CTDB_UPDATE_STAT(ctdb, counter, value) \
 170         {                                                                               \
 171                 if (value > ctdb->statistics.counter) {                                 \
 172                         ctdb->statistics.counter = c->hopcount;                         \
 173                 }                                                                       \
 174                 if (value > ctdb->statistics_current.counter) {                         \
 175                         ctdb->statistics_current.counter = c->hopcount;                 \
 176                 }                                                                       \
 177         }
 178
 179 #define CTDB_INCREMENT_STAT(ctdb, counter) \
 180         {                                                                               \
 181                 ctdb->statistics.counter++;                                             \
 182                 ctdb->statistics_current.counter++;                                     \
 183         }
 184
 185 #define CTDB_DECREMENT_STAT(ctdb, counter) \
 186         {                                                                               \
 187                 if (ctdb->statistics.counter > 0)                                       \
 188                         ctdb->statistics.counter--;                                     \
 189                 if (ctdb->statistics_current.counter > 0)                               \
 190                         ctdb->statistics_current.counter--;                             \
 191         }
 192
 193 #define CTDB_INCREMENT_DB_STAT(ctdb_db, counter) \
 194         {                                                                               \
 195                 ctdb_db->statistics.counter++;                                          \
 196         }
 197
 198 #define CTDB_DECREMENT_DB_STAT(ctdb_db, counter) \
 199         {                                                                               \
 200                 if (ctdb_db->statistics.counter > 0)                                    \
 201                         ctdb_db->statistics.counter--;                                  \
 202         }
 203
 204 #define CTDB_UPDATE_RECLOCK_LATENCY(ctdb, name, counter, value) \
 205         {                                                                               \
 206                 if (value > ctdb->statistics.counter.max)                               \
 207                         ctdb->statistics.counter.max = value;                           \
 208                 if (value > ctdb->statistics_current.counter.max)                       \
 209                         ctdb->statistics_current.counter.max = value;                   \
 210                                                                                         \
 211                 if (ctdb->statistics.counter.num == 0 ||                                \
 212                     value < ctdb->statistics.counter.min)                               \
 213                         ctdb->statistics.counter.min = value;                           \
 214                 if (ctdb->statistics_current.counter.num == 0 ||                        \
 215                     value < ctdb->statistics_current.counter.min)                       \
 216                         ctdb->statistics_current.counter.min = value;                   \
 217                                                                                         \
 218                 ctdb->statistics.counter.total += value;                                \
 219                 ctdb->statistics_current.counter.total += value;                        \
 220                                                                                         \
 221                 ctdb->statistics.counter.num++;                                         \
 222                 ctdb->statistics_current.counter.num++;                                 \
 223                                                                                         \
 224                 if (ctdb->tunable.reclock_latency_ms != 0) {                            \
 225                         if (value*1000 > ctdb->tunable.reclock_latency_ms) {            \
 226                                 DEBUG(DEBUG_ERR,                                        \
 227                                       ("High RECLOCK latency %fs for operation %s\n",   \
 228                                        value, name));                                   \
 229                         }                                                               \
 230                 }                                                                       \
 231         }
 232
 233 #define CTDB_UPDATE_DB_LATENCY(ctdb_db, operation, counter, value)                      \
 234         {                                                                               \
 235                 if (value > ctdb_db->statistics.counter.max)                            \
 236                         ctdb_db->statistics.counter.max = value;                        \
 237                 if (ctdb_db->statistics.counter.num == 0 ||                             \
 238                     value < ctdb_db->statistics.counter.min)                            \
 239                         ctdb_db->statistics.counter.min = value;                        \
 240                                                                                         \
 241                 ctdb_db->statistics.counter.total += value;                             \
 242                 ctdb_db->statistics.counter.num++;                                      \
 243                                                                                         \
 244                 if (ctdb_db->ctdb->tunable.log_latency_ms != 0) {                       \
 245                         if (value*1000 > ctdb_db->ctdb->tunable.log_latency_ms) {       \
 246                                 DEBUG(DEBUG_ERR,                                        \
 247                                       ("High latency %.6fs for operation %s on database %s\n",\
 248                                        value, operation, ctdb_db->db_name));            \
 249                         }                                                               \
 250                 }                                                                       \
 251         }
 252
 253 #define CTDB_UPDATE_LATENCY(ctdb, db, operation, counter, t) \
 254         {                                                                               \
 255                 double l = timeval_elapsed(&t);                                         \
 256                                                                                         \
 257                 if (l > ctdb->statistics.counter.max)                                   \
 258                         ctdb->statistics.counter.max = l;                               \
 259                 if (l > ctdb->statistics_current.counter.max)                           \
 260                         ctdb->statistics_current.counter.max = l;                       \
 261                                                                                         \
 262                 if (ctdb->statistics.counter.num == 0 ||                                \
 263                     l < ctdb->statistics.counter.min)                                   \
 264                         ctdb->statistics.counter.min = l;                               \
 265                 if (ctdb->statistics_current.counter.num == 0 ||                        \
 266                     l < ctdb->statistics_current.counter.min)                           \
 267                         ctdb->statistics_current.counter.min = l;                       \
 268                                                                                         \
 269                 ctdb->statistics.counter.total += l;                                    \
 270                 ctdb->statistics_current.counter.total += l;                            \
 271                                                                                         \
 272                 ctdb->statistics.counter.num++;                                         \
 273                 ctdb->statistics_current.counter.num++;                                 \
 274                                                                                         \
 275                 if (ctdb->tunable.log_latency_ms != 0) {                                \
 276                         if (l*1000 > ctdb->tunable.log_latency_ms) {                    \
 277                                 DEBUG(DEBUG_WARNING,                                    \
 278                                       ("High latency %.6fs for operation %s on database %s\n",\
 279                                        l, operation, db->db_name));                     \
 280                         }                                                               \
 281                 }                                                                       \
 282         }
 283
 284
 285 enum ctdb_freeze_mode {CTDB_FREEZE_NONE, CTDB_FREEZE_PENDING, CTDB_FREEZE_FROZEN};
 286
 287 #define NUM_DB_PRIORITIES 3
 288 /* main state of the ctdb daemon */
 289 struct ctdb_context {
 290         struct tevent_context *ev;
 291         struct timeval ctdbd_start_time;
 292         struct timeval last_recovery_started;
 293         struct timeval last_recovery_finished;
 294         uint32_t recovery_mode;
 295         TALLOC_CTX *tickle_update_context;
 296         TALLOC_CTX *keepalive_ctx;
 297         TALLOC_CTX *check_public_ifaces_ctx;
 298         struct ctdb_tunable_list tunable;
 299         enum ctdb_freeze_mode freeze_mode[NUM_DB_PRIORITIES+1];
 300         struct ctdb_freeze_handle *freeze_handles[NUM_DB_PRIORITIES+1];
 301         bool freeze_transaction_started;
 302         uint32_t freeze_transaction_id;
 303         ctdb_sock_addr *address;
 304         const char *name;
 305         const char *db_directory;
 306         const char *db_directory_persistent;
 307         const char *db_directory_state;
 308         struct tdb_wrap *db_persistent_health;
 309         uint32_t db_persistent_startup_generation;
 310         uint64_t db_persistent_check_errors;
 311         uint64_t max_persistent_check_errors;
 312         const char *transport;
 313         char *recovery_lock_file;
 314         int recovery_lock_fd;
 315         uint32_t pnn; /* our own pnn */
 316         uint32_t num_nodes;
 317         uint32_t num_connected;
 318         unsigned flags;
 319         uint32_t capabilities;
 320         struct reqid_context *idr;
 321         struct ctdb_node **nodes; /* array of nodes in the cluster - indexed by vnn */
 322         struct ctdb_vnn *vnn; /* list of public ip addresses and interfaces */
 323         struct ctdb_vnn *single_ip_vnn; /* a structure for the single ip */
 324         struct ctdb_interface *ifaces; /* list of local interfaces */
 325         char *err_msg;
 326         const struct ctdb_methods *methods; /* transport methods */
 327         const struct ctdb_upcalls *upcalls; /* transport upcalls */
 328         void *private_data; /* private to transport */
 329         struct ctdb_db_context *db_list;
 330         struct srvid_context *srv;
 331         struct ctdb_daemon_data daemon;
 332         struct ctdb_statistics statistics;
 333         struct ctdb_statistics statistics_current;
 334 #define MAX_STAT_HISTORY 100
 335         struct ctdb_statistics statistics_history[MAX_STAT_HISTORY];
 336         struct ctdb_vnn_map *vnn_map;
 337         uint32_t num_clients;
 338         uint32_t recovery_master;
 339         struct ctdb_client_ip *client_ip_list;
 340         bool do_checkpublicip;
 341         struct trbt_tree *server_ids;
 342         bool do_setsched;
 343         const char *event_script_dir;
 344         const char *notification_script;
 345         const char *default_public_interface;
 346         pid_t ctdbd_pid;
 347         pid_t recoverd_pid;
 348         enum ctdb_runstate runstate;
 349         struct ctdb_monitor_state *monitor;
 350         int start_as_disabled;
 351         int start_as_stopped;
 352         bool valgrinding;
 353         uint32_t *recd_ping_count;
 354         TALLOC_CTX *recd_ctx; /* a context used to track recoverd monitoring events */
 355         TALLOC_CTX *release_ips_ctx; /* a context used to automatically drop all IPs if we fail to recover the node */
 356
 357         TALLOC_CTX *event_script_ctx;
 358         int active_events;
 359
 360         struct ctdb_event_script_state *current_monitor;
 361         struct ctdb_script_list_old *last_status[CTDB_EVENT_MAX];
 362
 363         TALLOC_CTX *banning_ctx;
 364
 365         struct ctdb_vacuum_child_context *vacuumers;
 366
 367         /* mapping from pid to ctdb_client * */
 368         struct ctdb_client_pid_list *client_pids;
 369
 370         /* Temporarily used by IP takeover code to make changes easier
 371          * to review */
 372         struct ipalloc_state *ipalloc_state;
 373
 374         /* used in the recovery daemon to remember the ip allocation */
 375         struct trbt_tree *ip_tree;
 376
 377         /* Used to defer db attach requests while in recovery mode */
 378         struct ctdb_deferred_attach_context *deferred_attach;
 379
 380         /* if we are a child process, do we have a domain socket to send controls on */
 381         bool can_send_controls;
 382
 383         /* list of event script callback functions that are active */
 384         struct event_script_callback *script_callbacks;
 385
 386         struct ctdb_reloadips_handle *reload_ips;
 387
 388         const char *nodes_file;
 389         const char *public_addresses_file;
 390         struct trbt_tree *child_processes;
 391
 392         /* Used for locking record/db/alldb */
 393         struct lock_context *lock_current;
 394         struct lock_context *lock_pending;
 395 };
 396
 397 struct ctdb_db_context {
 398         struct ctdb_db_context *next, *prev;
 399         struct ctdb_context *ctdb;
 400         uint32_t db_id;
 401         uint32_t priority;
 402         bool persistent;
 403         bool readonly; /* Do we support read-only delegations ? */
 404         bool sticky; /* Do we support sticky records ? */
 405         const char *db_name;
 406         const char *db_path;
 407         struct tdb_wrap *ltdb;
 408         struct tdb_context *rottdb; /* ReadOnly tracking TDB */
 409         struct ctdb_registered_call *calls; /* list of registered calls */
 410         uint32_t seqnum;
 411         struct tevent_timer *seqnum_update;
 412         struct ctdb_traverse_local_handle *traverse;
 413         struct ctdb_vacuum_handle *vacuum_handle;
 414         char *unhealthy_reason;
 415         int pending_requests;
 416         struct revokechild_handle *revokechild_active;
 417         struct ctdb_persistent_state *persistent_state;
 418         struct trbt_tree *delete_queue;
 419         struct trbt_tree *sticky_records;
 420         int (*ctdb_ltdb_store_fn)(struct ctdb_db_context *ctdb_db,
 421                                   TDB_DATA key,
 422                                   struct ctdb_ltdb_header *header,
 423                                   TDB_DATA data);
 424
 425         /* used to track which records we are currently fetching
 426            so we can avoid sending duplicate fetch requests
 427         */
 428         struct trbt_tree *deferred_fetch;
 429         struct trbt_tree *defer_dmaster;
 430
 431         struct ctdb_db_statistics_old statistics;
 432
 433         struct lock_context *lock_current;
 434         struct lock_context *lock_pending;
 435         int lock_num_current;
 436
 437         struct ctdb_call_state *pending_calls;
 438
 439         enum ctdb_freeze_mode freeze_mode;
 440         struct ctdb_db_freeze_handle *freeze_handle;
 441         bool freeze_transaction_started;
 442         uint32_t freeze_transaction_id;
 443         uint32_t generation;
 444 };
 445
 446
 447 #define CTDB_NO_MEMORY(ctdb, p) do { if (!(p)) { \
 448           DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
 449           ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
 450           return -1; }} while (0)
 451
 452 #define CTDB_NO_MEMORY_VOID(ctdb, p) do { if (!(p)) { \
 453           DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
 454           ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
 455           return; }} while (0)
 456
 457 #define CTDB_NO_MEMORY_NULL(ctdb, p) do { if (!(p)) { \
 458           DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
 459           ctdb_set_error(ctdb, "Out of memory at %s:%d", __FILE__, __LINE__); \
 460           return NULL; }} while (0)
 461
 462 #define CTDB_NO_MEMORY_FATAL(ctdb, p) do { if (!(p)) { \
 463           DEBUG(0,("Out of memory for %s at %s\n", #p, __location__)); \
 464           ctdb_fatal(ctdb, "Out of memory in " __location__ ); \
 465           }} while (0)
 466
 467
 468 enum call_state {CTDB_CALL_WAIT, CTDB_CALL_DONE, CTDB_CALL_ERROR};
 469
 470 /*
 471   state of a in-progress ctdb call
 472 */
 473 struct ctdb_call_state {
 474         struct ctdb_call_state *next, *prev;
 475         enum call_state state;
 476         uint32_t reqid;
 477         struct ctdb_req_call_old *c;
 478         struct ctdb_db_context *ctdb_db;
 479         const char *errmsg;
 480         struct ctdb_call *call;
 481         uint32_t generation;
 482         struct {
 483                 void (*fn)(struct ctdb_call_state *);
 484                 void *private_data;
 485         } async;
 486 };
 487
 488 /* internal prototypes */
 489
 490 #define CHECK_CONTROL_DATA_SIZE(size) do { \
 491  if (indata.dsize != size) { \
 492          DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected %u\n", \
 493                   opcode, (unsigned)indata.dsize, (unsigned)size));     \
 494          return -1; \
 495  } \
 496  } while (0)
 497
 498 #define CHECK_CONTROL_MIN_DATA_SIZE(size) do { \
 499  if (indata.dsize < size) { \
 500          DEBUG(0,(__location__ " Invalid data size in opcode %u. Got %u expected >= %u\n", \
 501                   opcode, (unsigned)indata.dsize, (unsigned)size));     \
 502          return -1; \
 503  } \
 504  } while (0)
 505
 506 /*
 507   state of a in-progress ctdb call in client
 508 */
 509 struct ctdb_client_call_state {
 510         enum call_state state;
 511         uint32_t reqid;
 512         struct ctdb_db_context *ctdb_db;
 513         struct ctdb_call *call;
 514         struct {
 515                 void (*fn)(struct ctdb_client_call_state *);
 516                 void *private_data;
 517         } async;
 518 };
 519
 520 extern int script_log_level;
 521 extern bool fast_start;
 522 extern const char *ctdbd_pidfile;
 523
 524 typedef void (*deferred_requeue_fn)(void *call_context, struct ctdb_req_header *hdr);
 525
 526
 527 /* from tcp/ and ib/ */
 528
 529 int ctdb_tcp_init(struct ctdb_context *ctdb);
 530 int ctdb_ibw_init(struct ctdb_context *ctdb);
 531
 532 /* from ctdb_banning.c */
 533
 534 void ctdb_local_node_got_banned(struct ctdb_context *ctdb);
 535 int32_t ctdb_control_set_ban_state(struct ctdb_context *ctdb, TDB_DATA indata);
 536 int32_t ctdb_control_get_ban_state(struct ctdb_context *ctdb, TDB_DATA *outdata);
 537 void ctdb_ban_self(struct ctdb_context *ctdb);
 538
 539 /* from ctdb_call.c */
 540
 541 struct ctdb_db_context *find_ctdb_db(struct ctdb_context *ctdb, uint32_t id);
 542
 543 void ctdb_request_dmaster(struct ctdb_context *ctdb,
 544                           struct ctdb_req_header *hdr);
 545 void ctdb_reply_dmaster(struct ctdb_context *ctdb,
 546                         struct ctdb_req_header *hdr);
 547 void ctdb_request_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
 548 void ctdb_reply_call(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
 549 void ctdb_reply_error(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
 550
 551 void ctdb_call_resend_db(struct ctdb_db_context *ctdb);
 552 void ctdb_call_resend_all(struct ctdb_context *ctdb);
 553
 554 struct ctdb_call_state *ctdb_call_local_send(struct ctdb_db_context *ctdb_db,
 555                                              struct ctdb_call *call,
 556                                              struct ctdb_ltdb_header *header,
 557                                              TDB_DATA *data);
 558
 559 struct ctdb_call_state *ctdb_daemon_call_send_remote(
 560                                         struct ctdb_db_context *ctdb_db,
 561                                         struct ctdb_call *call,
 562                                         struct ctdb_ltdb_header *header);
 563 int ctdb_daemon_call_recv(struct ctdb_call_state *state,
 564                           struct ctdb_call *call);
 565
 566 void ctdb_send_keepalive(struct ctdb_context *ctdb, uint32_t destnode);
 567
 568 int ctdb_start_revoke_ro_record(struct ctdb_context *ctdb,
 569                                 struct ctdb_db_context *ctdb_db,
 570                                 TDB_DATA key, struct ctdb_ltdb_header *header,
 571                                 TDB_DATA data);
 572
 573 int ctdb_add_revoke_deferred_call(struct ctdb_context *ctdb,
 574                                   struct ctdb_db_context *ctdb_db,
 575                                   TDB_DATA key, struct ctdb_req_header *hdr,
 576                                   deferred_requeue_fn fn, void *call_context);
 577
 578 /* from server/ctdb_control.c */
 579
 580 int32_t ctdb_dump_memory(struct ctdb_context *ctdb, TDB_DATA *outdata);
 581
 582 void ctdb_request_control_reply(struct ctdb_context *ctdb,
 583                                 struct ctdb_req_control_old *c,
 584                                 TDB_DATA *outdata, int32_t status,
 585                                 const char *errormsg);
 586
 587 void ctdb_request_control(struct ctdb_context *ctdb,
 588                           struct ctdb_req_header *hdr);
 589 void ctdb_reply_control(struct ctdb_context *ctdb,
 590                         struct ctdb_req_header *hdr);
 591
 592 int ctdb_daemon_send_control(struct ctdb_context *ctdb, uint32_t destnode,
 593                              uint64_t srvid, uint32_t opcode,
 594                              uint32_t client_id, uint32_t flags,
 595                              TDB_DATA data,
 596                              ctdb_control_callback_fn_t callback,
 597                              void *private_data);
 598
 599 /* from server/ctdb_daemon.c */
 600
 601 int daemon_register_message_handler(struct ctdb_context *ctdb,
 602                                     uint32_t client_id, uint64_t srvid);
 603 int daemon_deregister_message_handler(struct ctdb_context *ctdb,
 604                                       uint32_t client_id, uint64_t srvid);
 605 int daemon_check_srvids(struct ctdb_context *ctdb, TDB_DATA indata,
 606                         TDB_DATA *outdata);
 607
 608 int ctdb_start_daemon(struct ctdb_context *ctdb, bool do_fork);
 609
 610 struct ctdb_req_header *_ctdb_transport_allocate(struct ctdb_context *ctdb,
 611                                                  TALLOC_CTX *mem_ctx,
 612                                                  enum ctdb_operation operation,
 613                                                  size_t length, size_t slength,
 614                                                  const char *type);
 615
 616 #define ctdb_transport_allocate(ctdb, mem_ctx, operation, length, type) \
 617         (type *)_ctdb_transport_allocate(ctdb, mem_ctx, operation, length, \
 618                                          sizeof(type), #type)
 619
 620 void ctdb_daemon_cancel_controls(struct ctdb_context *ctdb,
 621                                  struct ctdb_node *node);
 622
 623 int ctdb_daemon_set_call(struct ctdb_context *ctdb, uint32_t db_id,
 624                          ctdb_fn_t fn, int id);
 625
 626 int ctdb_daemon_send_message(struct ctdb_context *ctdb, uint32_t pnn,
 627                              uint64_t srvid, TDB_DATA data);
 628
 629 int32_t ctdb_control_register_notify(struct ctdb_context *ctdb,
 630                                      uint32_t client_id, TDB_DATA indata);
 631 int32_t ctdb_control_deregister_notify(struct ctdb_context *ctdb,
 632                                        uint32_t client_id, TDB_DATA indata);
 633
 634 struct ctdb_client *ctdb_find_client_by_pid(struct ctdb_context *ctdb,
 635                                             pid_t pid);
 636
 637 int32_t ctdb_control_process_exists(struct ctdb_context *ctdb, pid_t pid);
 638
 639 int ctdb_control_getnodesfile(struct ctdb_context *ctdb, uint32_t opcode,
 640                               TDB_DATA indata, TDB_DATA *outdata);
 641
 642 void ctdb_shutdown_sequence(struct ctdb_context *ctdb, int exit_code);
 643
 644 int switch_from_server_to_client(struct ctdb_context *ctdb,
 645                                  const char *fmt, ...);
 646
 647 /* From server/ctdb_fork.c */
 648
 649 void ctdb_set_child_info(TALLOC_CTX *mem_ctx, const char *child_name_fmt, ...);
 650
 651 void ctdb_track_child(struct ctdb_context *ctdb, pid_t pid);
 652
 653 pid_t ctdb_fork(struct ctdb_context *ctdb);
 654
 655 struct tevent_signal *ctdb_init_sigchld(struct ctdb_context *ctdb);
 656
 657 int ctdb_kill(struct ctdb_context *ctdb, pid_t pid, int signum);
 658
 659 /* from server/ctdb_freeze.c */
 660
 661 int32_t ctdb_control_db_freeze(struct ctdb_context *ctdb,
 662                                struct ctdb_req_control_old *c,
 663                                uint32_t db_id, bool *async_reply);
 664 int32_t ctdb_control_db_thaw(struct ctdb_context *ctdb, uint32_t db_id);
 665
 666 int32_t ctdb_control_freeze(struct ctdb_context *ctdb,
 667                             struct ctdb_req_control_old *c, bool *async_reply);
 668 int32_t ctdb_control_thaw(struct ctdb_context *ctdb, uint32_t priority,
 669                           bool check_recmode);
 670
 671 bool ctdb_blocking_freeze(struct ctdb_context *ctdb);
 672
 673 int32_t ctdb_control_db_transaction_start(struct ctdb_context *ctdb,
 674                                           TDB_DATA indata);
 675 int32_t ctdb_control_db_transaction_cancel(struct ctdb_context *ctdb,
 676                                            TDB_DATA indata);
 677 int32_t ctdb_control_db_transaction_commit(struct ctdb_context *ctdb,
 678                                            TDB_DATA indata);
 679
 680 int32_t ctdb_control_transaction_start(struct ctdb_context *ctdb, uint32_t id);
 681 int32_t ctdb_control_transaction_cancel(struct ctdb_context *ctdb);
 682 int32_t ctdb_control_transaction_commit(struct ctdb_context *ctdb, uint32_t id);
 683
 684 int32_t ctdb_control_wipe_database(struct ctdb_context *ctdb, TDB_DATA indata);
 685
 686 bool ctdb_db_frozen(struct ctdb_db_context *ctdb_db);
 687 bool ctdb_db_prio_frozen(struct ctdb_context *ctdb, uint32_t priority);
 688 bool ctdb_db_all_frozen(struct ctdb_context *ctdb);
 689
 690 /* from server/ctdb_keepalive.c */
 691
 692 void ctdb_start_keepalive(struct ctdb_context *ctdb);
 693 void ctdb_stop_keepalive(struct ctdb_context *ctdb);
 694
 695 /* from server/ctdb_lock.c */
 696
 697 struct lock_request;
 698
 699 typedef int (*ctdb_db_handler_t)(struct ctdb_db_context *ctdb_db,
 700                                  void *private_data);
 701
 702 int ctdb_db_prio_iterator(struct ctdb_context *ctdb, uint32_t priority,
 703                           ctdb_db_handler_t handler, void *private_data);
 704 int ctdb_db_iterator(struct ctdb_context *ctdb, ctdb_db_handler_t handler,
 705                      void *private_data);
 706
 707 int ctdb_lockdb_mark(struct ctdb_db_context *ctdb_db);
 708 int ctdb_lockall_mark_prio(struct ctdb_context *ctdb, uint32_t priority);
 709
 710 int ctdb_lockdb_unmark(struct ctdb_db_context *ctdb_db);
 711 int ctdb_lockall_unmark_prio(struct ctdb_context *ctdb, uint32_t priority);
 712
 713 struct lock_request *ctdb_lock_record(TALLOC_CTX *mem_ctx,
 714                                       struct ctdb_db_context *ctdb_db,
 715                                       TDB_DATA key,
 716                                       bool auto_mark,
 717                                       void (*callback)(void *, bool),
 718                                       void *private_data);
 719
 720 struct lock_request *ctdb_lock_db(TALLOC_CTX *mem_ctx,
 721                                   struct ctdb_db_context *ctdb_db,
 722                                   bool auto_mark,
 723                                   void (*callback)(void *, bool),
 724                                   void *private_data);
 725
 726 struct lock_request *ctdb_lock_alldb_prio(TALLOC_CTX *mem_ctx,
 727                                           struct ctdb_context *ctdb,
 728                                           uint32_t priority,
 729                                           bool auto_mark,
 730                                           void (*callback)(void *, bool),
 731                                           void *private_data);
 732
 733 struct lock_request *ctdb_lock_alldb(TALLOC_CTX *mem_ctx,
 734                                      struct ctdb_context *ctdb,
 735                                      bool auto_mark,
 736                                      void (*callback)(void *, bool),
 737                                      void *private_data);
 738
 739 /* from ctdb_logging.c */
 740
 741 extern const char *debug_extra;
 742
 743 typedef int (*ctdb_log_setup_fn_t)(TALLOC_CTX *mem_ctx,
 744                                    const char *logging,
 745                                    const char *app_name);
 746
 747 void ctdb_log_register_backend(const char *prefix, ctdb_log_setup_fn_t init);
 748
 749 bool ctdb_logging_init(TALLOC_CTX *mem_ctx, const char *logging);
 750
 751 struct ctdb_log_state *ctdb_vfork_with_logging(TALLOC_CTX *mem_ctx,
 752                                                struct ctdb_context *ctdb,
 753                                                const char *log_prefix,
 754                                                const char *helper,
 755                                                int helper_argc,
 756                                                const char **helper_argv,
 757                                                void (*logfn)(const char *,
 758                                                              uint16_t, void *),
 759                                                void *logfn_private, pid_t *pid);
 760
 761 int ctdb_set_child_logging(struct ctdb_context *ctdb);
 762 int ctdb_init_tevent_logging(struct ctdb_context *ctdb);
 763
 764 /* from ctdb_logging_file.c */
 765
 766 void ctdb_log_init_file(void);
 767
 768 /* from ctdb_logging_syslog.c */
 769
 770 void ctdb_log_init_syslog(void);
 771
 772 /* from ctdb_ltdb_server.c */
 773
 774 int ctdb_ltdb_lock_requeue(struct ctdb_db_context *ctdb_db,
 775                            TDB_DATA key, struct ctdb_req_header *hdr,
 776                            void (*recv_pkt)(void *, struct ctdb_req_header *),
 777                            void *recv_context, bool ignore_generation);
 778
 779 int ctdb_ltdb_lock_fetch_requeue(struct ctdb_db_context *ctdb_db,
 780                                  TDB_DATA key, struct ctdb_ltdb_header *header,
 781                                  struct ctdb_req_header *hdr, TDB_DATA *data,
 782                                  void (*recv_pkt)(void *, struct ctdb_req_header *),
 783                                  void *recv_context, bool ignore_generation);
 784
 785 int ctdb_load_persistent_health(struct ctdb_context *ctdb,
 786                                 struct ctdb_db_context *ctdb_db);
 787 int ctdb_update_persistent_health(struct ctdb_context *ctdb,
 788                                   struct ctdb_db_context *ctdb_db,
 789                                   const char *reason,/* NULL means healthy */
 790                                   int num_healthy_nodes);
 791 int ctdb_recheck_persistent_health(struct ctdb_context *ctdb);
 792
 793 int32_t ctdb_control_db_set_healthy(struct ctdb_context *ctdb,
 794                                     TDB_DATA indata);
 795 int32_t ctdb_control_db_get_health(struct ctdb_context *ctdb,
 796                                    TDB_DATA indata, TDB_DATA *outdata);
 797
 798 int ctdb_set_db_readonly(struct ctdb_context *ctdb,
 799                          struct ctdb_db_context *ctdb_db);
 800
 801 int ctdb_process_deferred_attach(struct ctdb_context *ctdb);
 802
 803 int32_t ctdb_control_db_attach(struct ctdb_context *ctdb, TDB_DATA indata,
 804                                TDB_DATA *outdata, uint64_t tdb_flags,
 805                                bool persistent, uint32_t client_id,
 806                                struct ctdb_req_control_old *c,
 807                                bool *async_reply);
 808 int32_t ctdb_control_db_detach(struct ctdb_context *ctdb, TDB_DATA indata,
 809                                uint32_t client_id);
 810
 811 int ctdb_attach_databases(struct ctdb_context *ctdb);
 812
 813 int32_t ctdb_ltdb_update_seqnum(struct ctdb_context *ctdb, uint32_t db_id,
 814                                 uint32_t srcnode);
 815 int32_t ctdb_ltdb_enable_seqnum(struct ctdb_context *ctdb, uint32_t db_id);
 816
 817 int32_t ctdb_control_set_db_priority(struct ctdb_context *ctdb, TDB_DATA indata,
 818                                      uint32_t client_id);
 819
 820 int ctdb_set_db_sticky(struct ctdb_context *ctdb,
 821                        struct ctdb_db_context *ctdb_db);
 822
 823 void ctdb_db_statistics_reset(struct ctdb_db_context *ctdb_db);
 824
 825 int32_t ctdb_control_get_db_statistics(struct ctdb_context *ctdb,
 826                                        uint32_t db_id, TDB_DATA *outdata);
 827
 828 /* from ctdb_monitor.c */
 829
 830 int ctdb_set_notification_script(struct ctdb_context *ctdb, const char *script);
 831 void ctdb_run_notification_script(struct ctdb_context *ctdb, const char *event);
 832
 833 void ctdb_disable_monitoring(struct ctdb_context *ctdb);
 834 void ctdb_enable_monitoring(struct ctdb_context *ctdb);
 835 void ctdb_stop_monitoring(struct ctdb_context *ctdb);
 836
 837 void ctdb_wait_for_first_recovery(struct ctdb_context *ctdb);
 838
 839 int32_t ctdb_control_modflags(struct ctdb_context *ctdb, TDB_DATA indata);
 840
 841 int32_t ctdb_monitoring_mode(struct ctdb_context *ctdb);
 842 bool ctdb_stopped_monitoring(struct ctdb_context *ctdb);
 843
 844 /* from ctdb_persistent.c */
 845
 846 void ctdb_persistent_finish_trans3_commits(struct ctdb_context *ctdb);
 847
 848 int32_t ctdb_control_trans3_commit(struct ctdb_context *ctdb,
 849                                    struct ctdb_req_control_old *c,
 850                                    TDB_DATA recdata, bool *async_reply);
 851
 852 int32_t ctdb_control_start_persistent_update(struct ctdb_context *ctdb,
 853                                              struct ctdb_req_control_old *c,
 854                                              TDB_DATA recdata);
 855 int32_t ctdb_control_cancel_persistent_update(struct ctdb_context *ctdb,
 856                                               struct ctdb_req_control_old *c,
 857                                               TDB_DATA recdata);
 858
 859 int32_t ctdb_control_get_db_seqnum(struct ctdb_context *ctdb,
 860                                    TDB_DATA indata, TDB_DATA *outdata);
 861
 862 /* from ctdb_recover.c */
 863
 864 int ctdb_control_getvnnmap(struct ctdb_context *ctdb, uint32_t opcode,
 865                            TDB_DATA indata, TDB_DATA *outdata);
 866 int ctdb_control_setvnnmap(struct ctdb_context *ctdb, uint32_t opcode,
 867                            TDB_DATA indata, TDB_DATA *outdata);
 868
 869 int ctdb_control_getdbmap(struct ctdb_context *ctdb, uint32_t opcode,
 870                           TDB_DATA indata, TDB_DATA *outdata);
 871 int ctdb_control_getnodemap(struct ctdb_context *ctdb, uint32_t opcode,
 872                             TDB_DATA indata, TDB_DATA *outdata);
 873
 874 int ctdb_control_reload_nodes_file(struct ctdb_context *ctdb, uint32_t opcode);
 875
 876 int32_t ctdb_control_pull_db(struct ctdb_context *ctdb, TDB_DATA indata,
 877                              TDB_DATA *outdata);
 878 int32_t ctdb_control_push_db(struct ctdb_context *ctdb, TDB_DATA indata);
 879
 880 int ctdb_deferred_drop_all_ips(struct ctdb_context *ctdb);
 881
 882 int32_t ctdb_control_set_recmode(struct ctdb_context *ctdb,
 883                                  struct ctdb_req_control_old *c,
 884                                  TDB_DATA indata, bool *async_reply,
 885                                  const char **errormsg);
 886
 887 bool ctdb_recovery_have_lock(struct ctdb_context *ctdb);
 888 bool ctdb_recovery_lock(struct ctdb_context *ctdb);
 889 void ctdb_recovery_unlock(struct ctdb_context *ctdb);
 890
 891 int32_t ctdb_control_end_recovery(struct ctdb_context *ctdb,
 892                                  struct ctdb_req_control_old *c,
 893                                  bool *async_reply);
 894 int32_t ctdb_control_start_recovery(struct ctdb_context *ctdb,
 895                                  struct ctdb_req_control_old *c,
 896                                  bool *async_reply);
 897
 898 int32_t ctdb_control_try_delete_records(struct ctdb_context *ctdb,
 899                                         TDB_DATA indata, TDB_DATA *outdata);
 900 int32_t ctdb_control_receive_records(struct ctdb_context *ctdb,
 901                                      TDB_DATA indata, TDB_DATA *outdata);
 902
 903 int32_t ctdb_control_get_capabilities(struct ctdb_context *ctdb,
 904                                       TDB_DATA *outdata);
 905
 906 int32_t ctdb_control_recd_ping(struct ctdb_context *ctdb);
 907 int32_t ctdb_control_set_recmaster(struct ctdb_context *ctdb,
 908                                    uint32_t opcode, TDB_DATA indata);
 909
 910 int32_t ctdb_control_stop_node(struct ctdb_context *ctdb);
 911 int32_t ctdb_control_continue_node(struct ctdb_context *ctdb);
 912
 913 /* from ctdb_recoverd.c */
 914
 915 int ctdb_start_recoverd(struct ctdb_context *ctdb);
 916 void ctdb_stop_recoverd(struct ctdb_context *ctdb);
 917
 918 /* from ctdb_server.c */
 919
 920 int ctdb_set_transport(struct ctdb_context *ctdb, const char *transport);
 921
 922 int ctdb_ip_to_nodeid(struct ctdb_context *ctdb, const ctdb_sock_addr *nodeip);
 923
 924 int ctdb_set_recovery_lock_file(struct ctdb_context *ctdb, const char *file);
 925
 926 void ctdb_load_nodes_file(struct ctdb_context *ctdb);
 927
 928 int ctdb_set_address(struct ctdb_context *ctdb, const char *address);
 929
 930 uint32_t ctdb_get_num_active_nodes(struct ctdb_context *ctdb);
 931
 932 void ctdb_input_pkt(struct ctdb_context *ctdb, struct ctdb_req_header *);
 933
 934 void ctdb_node_dead(struct ctdb_node *node);
 935 void ctdb_node_connected(struct ctdb_node *node);
 936
 937 void ctdb_queue_packet(struct ctdb_context *ctdb, struct ctdb_req_header *hdr);
 938 void ctdb_queue_packet_opcode(struct ctdb_context *ctdb,
 939                               struct ctdb_req_header *hdr, unsigned opcode);
 940
 941 /* from ctdb_serverids.c */
 942
 943 int32_t ctdb_control_register_server_id(struct ctdb_context *ctdb,
 944                                         uint32_t client_id, TDB_DATA indata);
 945 int32_t ctdb_control_check_server_id(struct ctdb_context *ctdb,
 946                                      TDB_DATA indata);
 947 int32_t ctdb_control_unregister_server_id(struct ctdb_context *ctdb,
 948                                           TDB_DATA indata);
 949 int32_t ctdb_control_get_server_id_list(struct ctdb_context *ctdb,
 950                                         TDB_DATA *outdata);
 951
 952 /* from ctdb_statistics.c */
 953
 954 int ctdb_statistics_init(struct ctdb_context *ctdb);
 955
 956 int32_t ctdb_control_get_stat_history(struct ctdb_context *ctdb,
 957                                       struct ctdb_req_control_old *c,
 958                                       TDB_DATA *outdata);
 959
 960 /* from ctdb_takeover.c */
 961
 962 int32_t ctdb_control_takeover_ip(struct ctdb_context *ctdb,
 963                                  struct ctdb_req_control_old *c,
 964                                  TDB_DATA indata,
 965                                  bool *async_reply);
 966 int32_t ctdb_control_release_ip(struct ctdb_context *ctdb,
 967                                  struct ctdb_req_control_old *c,
 968                                  TDB_DATA indata,
 969                                  bool *async_reply);
 970 int32_t ctdb_control_ipreallocated(struct ctdb_context *ctdb,
 971                                  struct ctdb_req_control_old *c,
 972                                  bool *async_reply);
 973
 974 int ctdb_set_public_addresses(struct ctdb_context *ctdb, bool check_addresses);
 975 int ctdb_set_single_public_ip(struct ctdb_context *ctdb, const char *iface,
 976                               const char *ip);
 977
 978 int ctdb_takeover_run(struct ctdb_context *ctdb, struct ctdb_node_map_old *nodemap,
 979                       uint32_t *force_rebalance_nodes,
 980                       client_async_callback fail_callback, void *callback_data);
 981
 982 int32_t ctdb_control_tcp_client(struct ctdb_context *ctdb, uint32_t client_id,
 983                                 TDB_DATA indata);
 984 int32_t ctdb_control_tcp_add(struct ctdb_context *ctdb, TDB_DATA indata,
 985                              bool tcp_update_needed);
 986 int32_t ctdb_control_tcp_remove(struct ctdb_context *ctdb, TDB_DATA indata);
 987 int32_t ctdb_control_startup(struct ctdb_context *ctdb, uint32_t vnn);
 988
 989 void ctdb_takeover_client_destructor_hook(struct ctdb_client *client);
 990
 991 void ctdb_release_all_ips(struct ctdb_context *ctdb);
 992
 993 int32_t ctdb_control_get_public_ips(struct ctdb_context *ctdb,
 994                                     struct ctdb_req_control_old *c,
 995                                     TDB_DATA *outdata);
 996 int32_t ctdb_control_get_public_ip_info(struct ctdb_context *ctdb,
 997                                         struct ctdb_req_control_old *c,
 998                                         TDB_DATA indata, TDB_DATA *outdata);
 999
1000 int32_t ctdb_control_get_ifaces(struct ctdb_context *ctdb,
1001                                 struct ctdb_req_control_old *c,
1002                                 TDB_DATA *outdata);
1003 int32_t ctdb_control_set_iface_link(struct ctdb_context *ctdb,
1004                                     struct ctdb_req_control_old *c,
1005                                     TDB_DATA indata);
1006
1007 int32_t ctdb_control_kill_tcp(struct ctdb_context *ctdb, TDB_DATA indata);
1008 int32_t ctdb_control_set_tcp_tickle_list(struct ctdb_context *ctdb,
1009                                          TDB_DATA indata);
1010 int32_t ctdb_control_get_tcp_tickle_list(struct ctdb_context *ctdb,
1011                                          TDB_DATA indata, TDB_DATA *outdata);
1012
1013 void ctdb_start_tcp_tickle_update(struct ctdb_context *ctdb);
1014
1015 int32_t ctdb_control_send_gratious_arp(struct ctdb_context *ctdb,
1016                                        TDB_DATA indata);
1017
1018 int32_t ctdb_control_add_public_address(struct ctdb_context *ctdb,
1019                                         TDB_DATA indata);
1020 int32_t ctdb_control_del_public_address(struct ctdb_context *ctdb,
1021                                         struct ctdb_req_control_old *c,
1022                                         TDB_DATA recdata, bool *async_reply);
1023
1024 int update_ip_assignment_tree(struct ctdb_context *ctdb,
1025                                 struct ctdb_public_ip *ip);
1026 void clear_ip_assignment_tree(struct ctdb_context *ctdb);
1027
1028 int32_t ctdb_control_reload_public_ips(struct ctdb_context *ctdb,
1029                                        struct ctdb_req_control_old *c,
1030                                        bool *async_reply);
1031
1032 /* from ctdb_traverse.c */
1033
1034 int32_t ctdb_control_traverse_all_ext(struct ctdb_context *ctdb,
1035                                       TDB_DATA data, TDB_DATA *outdata);
1036 int32_t ctdb_control_traverse_all(struct ctdb_context *ctdb,
1037                                   TDB_DATA data, TDB_DATA *outdata);
1038 int32_t ctdb_control_traverse_data(struct ctdb_context *ctdb,
1039                                    TDB_DATA data, TDB_DATA *outdata);
1040 int32_t ctdb_control_traverse_kill(struct ctdb_context *ctdb, TDB_DATA indata,
1041                                     TDB_DATA *outdata, uint32_t srcnode);
1042
1043 int32_t ctdb_control_traverse_start_ext(struct ctdb_context *ctdb,
1044                                         TDB_DATA indata, TDB_DATA *outdata,
1045                                         uint32_t srcnode, uint32_t client_id);
1046 int32_t ctdb_control_traverse_start(struct ctdb_context *ctdb,
1047                                     TDB_DATA indata, TDB_DATA *outdata,
1048                                     uint32_t srcnode, uint32_t client_id);
1049
1050 /* from ctdb_tunables.c */
1051
1052 void ctdb_tunables_set_defaults(struct ctdb_context *ctdb);
1053
1054 int32_t ctdb_control_get_tunable(struct ctdb_context *ctdb, TDB_DATA indata,
1055                                  TDB_DATA *outdata);
1056 int32_t ctdb_control_set_tunable(struct ctdb_context *ctdb, TDB_DATA indata);
1057 int32_t ctdb_control_list_tunables(struct ctdb_context *ctdb,
1058                                    TDB_DATA *outdata);
1059
1060 /* from ctdb_update_record.c */
1061
1062 int32_t ctdb_control_update_record(struct ctdb_context *ctdb,
1063                                    struct ctdb_req_control_old *c,
1064                                    TDB_DATA recdata, bool *async_reply);
1065
1066 /* from ctdb_uptime.c */
1067
1068 int32_t ctdb_control_uptime(struct ctdb_context *ctdb, TDB_DATA *outdata);
1069
1070 /* from ctdb_vacuum.c */
1071
1072 void ctdb_stop_vacuuming(struct ctdb_context *ctdb);
1073 int ctdb_vacuum_init(struct ctdb_db_context *ctdb_db);
1074
1075 int32_t ctdb_control_schedule_for_deletion(struct ctdb_context *ctdb,
1076                                            TDB_DATA indata);
1077 int32_t ctdb_local_schedule_for_deletion(struct ctdb_db_context *ctdb_db,
1078                                          const struct ctdb_ltdb_header *hdr,
1079                                          TDB_DATA key);
1080
1081 void ctdb_local_remove_from_delete_queue(struct ctdb_db_context *ctdb_db,
1082                                          const struct ctdb_ltdb_header *hdr,
1083                                          const TDB_DATA key);
1084
1085 /* from eventscript.c */
1086
1087 int32_t ctdb_control_get_event_script_status(struct ctdb_context *ctdb,
1088                                              uint32_t call_type,
1089                                              TDB_DATA *outdata);
1090
1091 int ctdb_event_script_callback(struct ctdb_context *ctdb,
1092                                TALLOC_CTX *mem_ctx,
1093                                void (*callback)(struct ctdb_context *,
1094                                                 int, void *),
1095                                void *private_data,
1096                                enum ctdb_event call,
1097                                const char *fmt, ...) PRINTF_ATTRIBUTE(6,7);
1098
1099 int ctdb_event_script_args(struct ctdb_context *ctdb,
1100                            enum ctdb_event call,
1101                            const char *fmt, ...) PRINTF_ATTRIBUTE(3,4);
1102
1103 int ctdb_event_script(struct ctdb_context *ctdb,
1104                       enum ctdb_event call);
1105
1106 int32_t ctdb_run_eventscripts(struct ctdb_context *ctdb,
1107                               struct ctdb_req_control_old *c,
1108                               TDB_DATA data, bool *async_reply);
1109
1110 int32_t ctdb_control_enable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1111 int32_t ctdb_control_disable_script(struct ctdb_context *ctdb, TDB_DATA indata);
1112
1113 #endif