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