ctdb/include/ctdb_client.h

   1 /*
   2    ctdb database library: old client interface
   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_CLIENT_H
  21 #define _CTDB_CLIENT_H
  22 #include "ctdb_protocol.h"
  23
  24 enum control_state {CTDB_CONTROL_WAIT, CTDB_CONTROL_DONE, CTDB_CONTROL_ERROR, CTDB_CONTROL_TIMEOUT};
  25
  26 struct ctdb_client_control_state {
  27         struct ctdb_context *ctdb;
  28         uint32_t reqid;
  29         int32_t status;
  30         TDB_DATA outdata;
  31         enum control_state state;
  32         char *errormsg;
  33         struct ctdb_req_control *c;
  34
  35         /* if we have a callback registered for the completion (or failure) of
  36            this control
  37            if a callback is used, it MUST talloc_free the cb_data passed to it
  38         */
  39         struct {
  40                 void (*fn)(struct ctdb_client_control_state *);
  41                 void *private_data;
  42         } async;
  43 };
  44
  45 struct ctdb_client_notify_register {
  46         uint64_t srvid;
  47         uint32_t len;
  48         uint8_t notify_data[1];
  49 };
  50
  51 struct ctdb_client_notify_deregister {
  52         uint64_t srvid;
  53 };
  54
  55 struct tevent_context;
  56
  57 /*
  58   initialise ctdb subsystem
  59 */
  60 struct ctdb_context *ctdb_init(struct tevent_context *ev);
  61
  62 /*
  63   choose the transport
  64 */
  65 int ctdb_set_transport(struct ctdb_context *ctdb, const char *transport);
  66
  67 /*
  68   set some flags
  69 */
  70 void ctdb_set_flags(struct ctdb_context *ctdb, unsigned flags);
  71
  72 /*
  73   tell ctdb what address to listen on, in transport specific format
  74 */
  75 int ctdb_set_address(struct ctdb_context *ctdb, const char *address);
  76
  77 int ctdb_set_socketname(struct ctdb_context *ctdb, const char *socketname);
  78 const char *ctdb_get_socketname(struct ctdb_context *ctdb);
  79
  80 /*
  81   Check that a specific ip address exists in the node list and returns
  82   the id for the node or -1
  83 */
  84 int ctdb_ip_to_nodeid(struct ctdb_context *ctdb, const ctdb_sock_addr *nodeip);
  85
  86 /*
  87   attach to a ctdb database
  88 */
  89 struct ctdb_db_context *ctdb_attach(struct ctdb_context *ctdb,
  90                                     struct timeval timeout,
  91                                     const char *name,
  92                                     bool persistent,
  93                                     uint32_t tdb_flags);
  94
  95 int ctdb_detach(struct ctdb_context *ctdb, uint32_t db_id);
  96
  97 /*
  98   find an attached ctdb_db handle given a name
  99  */
 100 struct ctdb_db_context *ctdb_db_handle(struct ctdb_context *ctdb, const char *name);
 101
 102 /*
 103   error string for last ctdb error
 104 */
 105 const char *ctdb_errstr(struct ctdb_context *);
 106
 107 /* a ctdb call function */
 108 typedef int (*ctdb_fn_t)(struct ctdb_call_info *);
 109
 110 /*
 111   setup a ctdb call function
 112 */
 113 int ctdb_set_call(struct ctdb_db_context *ctdb_db, ctdb_fn_t fn, uint32_t id);
 114
 115
 116
 117 /*
 118   make a ctdb call. The associated ctdb call function will be called on the DMASTER
 119   for the given record
 120 */
 121 int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
 122
 123 /* return pnn of this node */
 124 uint32_t ctdb_get_pnn(struct ctdb_context *ctdb);
 125
 126 /* setup a handler for ctdb messages */
 127 typedef void (*ctdb_msg_fn_t)(struct ctdb_context *, uint64_t srvid,
 128                                   TDB_DATA data, void *);
 129 int ctdb_client_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
 130                              ctdb_msg_fn_t handler,
 131                              void *private_data);
 132 int ctdb_client_remove_message_handler(struct ctdb_context *ctdb,
 133                                        uint64_t srvid, void *private_data);
 134 int ctdb_client_check_message_handlers(struct ctdb_context *ctdb,
 135                                        uint64_t *ids, uint32_t num,
 136                                        uint8_t *result);
 137
 138 int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
 139 struct ctdb_client_call_state *ctdb_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
 140 int ctdb_call_recv(struct ctdb_client_call_state *state, struct ctdb_call *call);
 141
 142 /* send a ctdb message */
 143 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t pnn,
 144                       uint64_t srvid, TDB_DATA data);
 145
 146
 147 /*
 148    Fetch a ctdb record from a remote node
 149  . Underneath this will force the
 150    dmaster for the record to be moved to the local node.
 151 */
 152 struct ctdb_record_handle *ctdb_fetch_lock(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx,
 153                                            TDB_DATA key, TDB_DATA *data);
 154
 155 struct ctdb_record_handle *ctdb_fetch_readonly_lock(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx, TDB_DATA key, TDB_DATA *data, int read_only);
 156
 157 int ctdb_record_store(struct ctdb_record_handle *h, TDB_DATA data);
 158
 159 int ctdb_fetch(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx,
 160                TDB_DATA key, TDB_DATA *data);
 161
 162 int ctdb_register_message_handler(struct ctdb_context *ctdb,
 163                                   TALLOC_CTX *mem_ctx,
 164                                   uint64_t srvid,
 165                                   ctdb_msg_fn_t handler,
 166                                   void *private_data);
 167
 168 struct ctdb_db_context *find_ctdb_db(struct ctdb_context *ctdb, uint32_t id);
 169
 170
 171 struct ctdb_context *ctdb_cmdline_client(struct tevent_context *ev,
 172                                          struct timeval req_timeout);
 173
 174 struct ctdb_statistics;
 175 int ctdb_ctrl_statistics(struct ctdb_context *ctdb, uint32_t destnode, struct ctdb_statistics *status);
 176 int ctdb_ctrl_dbstatistics(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
 177                            TALLOC_CTX *mem_ctx, struct ctdb_db_statistics **dbstat);
 178
 179 int ctdb_ctrl_shutdown(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 180
 181 struct ctdb_vnn_map;
 182 int ctdb_ctrl_getvnnmap(struct ctdb_context *ctdb,
 183                 struct timeval timeout, uint32_t destnode,
 184                 TALLOC_CTX *mem_ctx, struct ctdb_vnn_map **vnnmap);
 185 int ctdb_ctrl_setvnnmap(struct ctdb_context *ctdb,
 186                 struct timeval timeout, uint32_t destnode,
 187                 TALLOC_CTX *mem_ctx, struct ctdb_vnn_map *vnnmap);
 188
 189 /* table that contains a list of all dbids on a node
 190  */
 191 struct ctdb_dbid_map {
 192         uint32_t num;
 193         struct ctdb_dbid {
 194                 uint32_t dbid;
 195 #define CTDB_DB_FLAGS_PERSISTENT        0x01
 196 #define CTDB_DB_FLAGS_READONLY          0x02
 197 #define CTDB_DB_FLAGS_STICKY            0x04
 198                 uint8_t flags;
 199         } dbs[1];
 200 };
 201 int ctdb_ctrl_getdbmap(struct ctdb_context *ctdb,
 202         struct timeval timeout, uint32_t destnode,
 203         TALLOC_CTX *mem_ctx, struct ctdb_dbid_map **dbmap);
 204
 205
 206 struct ctdb_node_map;
 207
 208 int ctdb_ctrl_getnodemap(struct ctdb_context *ctdb,
 209                     struct timeval timeout, uint32_t destnode,
 210                     TALLOC_CTX *mem_ctx, struct ctdb_node_map **nodemap);
 211
 212 int ctdb_ctrl_getnodesfile(struct ctdb_context *ctdb,
 213                            struct timeval timeout, uint32_t destnode,
 214                            TALLOC_CTX *mem_ctx, struct ctdb_node_map **nodemap);
 215
 216 int ctdb_ctrl_reload_nodes_file(struct ctdb_context *ctdb,
 217                     struct timeval timeout, uint32_t destnode);
 218
 219 struct ctdb_key_list {
 220         uint32_t dbid;
 221         uint32_t num;
 222         TDB_DATA *keys;
 223         struct ctdb_ltdb_header *headers;
 224         TDB_DATA *data;
 225 };
 226
 227 int ctdb_ctrl_pulldb(
 228        struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
 229        uint32_t lmaster, TALLOC_CTX *mem_ctx,
 230        struct timeval timeout, TDB_DATA *outdata);
 231
 232 struct ctdb_client_control_state *ctdb_ctrl_pulldb_send(
 233        struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
 234        uint32_t lmaster, TALLOC_CTX *mem_ctx, struct timeval timeout);
 235
 236 int ctdb_ctrl_pulldb_recv(
 237        struct ctdb_context *ctdb,
 238        TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state,
 239        TDB_DATA *outdata);
 240
 241 int ctdb_ctrl_getdbpath(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **path);
 242 int ctdb_ctrl_getdbname(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **name);
 243 int ctdb_ctrl_getdbhealth(struct ctdb_context *ctdb,
 244                           struct timeval timeout,
 245                           uint32_t destnode,
 246                           uint32_t dbid, TALLOC_CTX *mem_ctx,
 247                           const char **reason);
 248 int ctdb_ctrl_getdbseqnum(struct ctdb_context *ctdb, struct timeval timeout,
 249                           uint32_t destnode, uint32_t dbid, uint64_t *seqnum);
 250 int ctdb_ctrl_createdb(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, const char *name, bool persistent);
 251
 252 int ctdb_ctrl_process_exists(struct ctdb_context *ctdb, uint32_t destnode, pid_t pid);
 253
 254 int ctdb_ctrl_ping(struct ctdb_context *ctdb, uint32_t destnode);
 255
 256 int ctdb_ctrl_get_runstate(struct ctdb_context *ctdb,
 257                            struct timeval timeout,
 258                            uint32_t destnode,
 259                            uint32_t *runstate);
 260
 261 int ctdb_ctrl_get_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t *level);
 262 int ctdb_ctrl_set_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t level);
 263
 264 /*
 265   change dmaster for all keys in the database to the new value
 266  */
 267 int ctdb_ctrl_setdmaster(struct ctdb_context *ctdb,
 268         struct timeval timeout, uint32_t destnode,
 269         TALLOC_CTX *mem_ctx, uint32_t dbid, uint32_t dmaster);
 270
 271 #define CTDB_RECOVERY_NORMAL            0
 272 #define CTDB_RECOVERY_ACTIVE            1
 273
 274 /*
 275   get the recovery mode of a remote node
 276  */
 277 int ctdb_ctrl_getrecmode(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, uint32_t *recmode);
 278
 279 struct ctdb_client_control_state *ctdb_ctrl_getrecmode_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
 280
 281 int ctdb_ctrl_getrecmode_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *recmode);
 282
 283
 284 /*
 285   set the recovery mode of a remote node
 286  */
 287 int ctdb_ctrl_setrecmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmode);
 288 /*
 289   get the monitoring mode of a remote node
 290  */
 291 int ctdb_ctrl_getmonmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *monmode);
 292
 293 /*
 294   set the monitoring mode of a remote node to active
 295  */
 296 int ctdb_ctrl_enable_monmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 297
 298 /*
 299   set the monitoring mode of a remote node to disabled
 300  */
 301 int ctdb_ctrl_disable_monmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 302
 303
 304 /*
 305   get the recovery master of a remote node
 306  */
 307 int ctdb_ctrl_getrecmaster(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, uint32_t *recmaster);
 308
 309 struct ctdb_client_control_state *ctdb_ctrl_getrecmaster_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
 310
 311 int ctdb_ctrl_getrecmaster_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *recmaster);
 312
 313
 314
 315 /*
 316   set the recovery master of a remote node
 317  */
 318 int ctdb_ctrl_setrecmaster(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmaster);
 319
 320 uint32_t *ctdb_get_connected_nodes(struct ctdb_context *ctdb,
 321                                    struct timeval timeout,
 322                                    TALLOC_CTX *mem_ctx,
 323                                    uint32_t *num_nodes);
 324
 325 int ctdb_statistics_reset(struct ctdb_context *ctdb, uint32_t destnode);
 326
 327 typedef int (*ctdb_traverse_func)(struct ctdb_context *, TDB_DATA, TDB_DATA, void *);
 328 int ctdb_traverse(struct ctdb_db_context *ctdb_db, ctdb_traverse_func fn, void *private_data);
 329
 330 struct ctdb_dump_db_context {
 331         FILE *f;
 332         bool printemptyrecords;
 333         bool printdatasize;
 334         bool printlmaster;
 335         bool printhash;
 336         bool printrecordflags;
 337 };
 338
 339 int ctdb_dumpdb_record(struct ctdb_context *ctdb, TDB_DATA key, TDB_DATA data, void *p);
 340 int ctdb_dump_db(struct ctdb_db_context *ctdb_db,
 341                  struct ctdb_dump_db_context *ctx);
 342
 343 /*
 344   get the pid of a ctdb daemon
 345  */
 346 int ctdb_ctrl_getpid(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *pid);
 347
 348 int ctdb_ctrl_freeze(struct ctdb_context *ctdb, struct timeval timeout,
 349                         uint32_t destnode);
 350 int ctdb_ctrl_freeze_priority(struct ctdb_context *ctdb, struct timeval timeout,
 351                               uint32_t destnode, uint32_t priority);
 352
 353 struct ctdb_client_control_state *
 354 ctdb_ctrl_freeze_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
 355                       struct timeval timeout, uint32_t destnode,
 356                       uint32_t priority);
 357
 358 int ctdb_ctrl_freeze_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
 359                         struct ctdb_client_control_state *state);
 360
 361 int ctdb_ctrl_thaw_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t priority);
 362 int ctdb_ctrl_thaw(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 363
 364 int ctdb_ctrl_getpnn(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 365
 366 int ctdb_ctrl_get_tunable(struct ctdb_context *ctdb,
 367                           struct timeval timeout,
 368                           uint32_t destnode,
 369                           const char *name, uint32_t *value);
 370
 371 int ctdb_ctrl_set_tunable(struct ctdb_context *ctdb,
 372                           struct timeval timeout,
 373                           uint32_t destnode,
 374                           const char *name, uint32_t value);
 375
 376 int ctdb_ctrl_list_tunables(struct ctdb_context *ctdb,
 377                             struct timeval timeout,
 378                             uint32_t destnode,
 379                             TALLOC_CTX *mem_ctx,
 380                             const char ***list, uint32_t *count);
 381
 382 int ctdb_ctrl_modflags(struct ctdb_context *ctdb,
 383                        struct timeval timeout,
 384                        uint32_t destnode,
 385                        uint32_t set, uint32_t clear);
 386
 387 enum ctdb_server_id_type {
 388         SERVER_TYPE_SAMBA=1,
 389         SERVER_TYPE_NFSD=2,
 390         SERVER_TYPE_ISCSID=3
 391 };
 392
 393 struct ctdb_server_id {
 394         enum ctdb_server_id_type type;
 395         uint32_t pnn;
 396         uint32_t server_id;
 397 };
 398
 399 struct ctdb_server_id_list {
 400         uint32_t num;
 401         struct ctdb_server_id server_ids[1];
 402 };
 403
 404
 405 int ctdb_ctrl_register_server_id(struct ctdb_context *ctdb,
 406                 struct timeval timeout,
 407                 struct ctdb_server_id *id);
 408 int ctdb_ctrl_unregister_server_id(struct ctdb_context *ctdb,
 409                 struct timeval timeout,
 410                 struct ctdb_server_id *id);
 411 int ctdb_ctrl_check_server_id(struct ctdb_context *ctdb,
 412                 struct timeval timeout, uint32_t destnode,
 413                 struct ctdb_server_id *id, uint32_t *status);
 414 int ctdb_ctrl_get_server_id_list(struct ctdb_context *ctdb,
 415                 TALLOC_CTX *mem_ctx,
 416                 struct timeval timeout, uint32_t destnode,
 417                 struct ctdb_server_id_list **svid_list);
 418
 419 struct ctdb_uptime {
 420         struct timeval current_time;
 421         struct timeval ctdbd_start_time;
 422         struct timeval last_recovery_started;
 423         struct timeval last_recovery_finished;
 424 };
 425
 426 struct ctdb_control_tcp_addr {
 427         ctdb_sock_addr src;
 428         ctdb_sock_addr dest;
 429 };
 430
 431 int ctdb_socket_connect(struct ctdb_context *ctdb);
 432
 433 /*
 434   get the uptime of a remote node
 435  */
 436 int ctdb_ctrl_uptime(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, struct ctdb_uptime **uptime);
 437
 438 struct ctdb_client_control_state *ctdb_ctrl_uptime_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
 439
 440 int ctdb_ctrl_uptime_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, struct ctdb_uptime **uptime);
 441
 442 int ctdb_ctrl_end_recovery(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 443
 444 int ctdb_ctrl_getreclock(struct ctdb_context *ctdb,
 445         struct timeval timeout, uint32_t destnode,
 446         TALLOC_CTX *mem_ctx, const char **reclock);
 447 int ctdb_ctrl_setreclock(struct ctdb_context *ctdb,
 448         struct timeval timeout, uint32_t destnode,
 449         const char *reclock);
 450
 451 struct ctdb_node_capabilities {
 452         bool retrieved;
 453         uint32_t capabilities;
 454 };
 455
 456 /* Retrieve capabilities for all connected nodes.  The length of the
 457  * returned array can be calculated using talloc_array_length(). */
 458 struct ctdb_node_capabilities *
 459 ctdb_get_capabilities(struct ctdb_context *ctdb,
 460                       TALLOC_CTX *mem_ctx,
 461                       struct timeval timeout,
 462                       struct ctdb_node_map *nodemap);
 463
 464 /* Get capabilities for specified node, NULL if not found */
 465 uint32_t *
 466 ctdb_get_node_capabilities(struct ctdb_node_capabilities *caps,
 467                            uint32_t pnn);
 468
 469 /* True if the given node has all of the required capabilities */
 470 bool ctdb_node_has_capabilities(struct ctdb_node_capabilities *caps,
 471                                 uint32_t pnn,
 472                                 uint32_t capabilities_required);
 473
 474 uint32_t *list_of_nodes(struct ctdb_context *ctdb,
 475                         struct ctdb_node_map *node_map,
 476                         TALLOC_CTX *mem_ctx,
 477                         uint32_t mask,
 478                         int exclude_pnn);
 479 uint32_t *list_of_connected_nodes(struct ctdb_context *ctdb,
 480                                 struct ctdb_node_map *node_map,
 481                                 TALLOC_CTX *mem_ctx,
 482                                 bool include_self);
 483 uint32_t *list_of_active_nodes(struct ctdb_context *ctdb,
 484                                 struct ctdb_node_map *node_map,
 485                                 TALLOC_CTX *mem_ctx,
 486                                 bool include_self);
 487 uint32_t *list_of_vnnmap_nodes(struct ctdb_context *ctdb,
 488                                 struct ctdb_vnn_map *vnn_map,
 489                                 TALLOC_CTX *mem_ctx,
 490                                 bool include_self);
 491
 492 int ctdb_read_pnn_lock(int fd, int32_t pnn);
 493
 494 /*
 495   get capabilities of a remote node
 496  */
 497 int ctdb_ctrl_getcapabilities(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *capabilities);
 498
 499 struct ctdb_client_control_state *ctdb_ctrl_getcapabilities_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
 500
 501 int ctdb_ctrl_getcapabilities_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *capabilities);
 502
 503 struct ctdb_marshall_buffer *ctdb_marshall_add(TALLOC_CTX *mem_ctx,
 504                                                struct ctdb_marshall_buffer *m,
 505                                                uint64_t db_id,
 506                                                uint32_t reqid,
 507                                                TDB_DATA key,
 508                                                struct ctdb_ltdb_header *header,
 509                                                TDB_DATA data);
 510 TDB_DATA ctdb_marshall_finish(struct ctdb_marshall_buffer *m);
 511
 512 struct ctdb_transaction_handle *ctdb_transaction_start(struct ctdb_db_context *ctdb_db,
 513                                                        TALLOC_CTX *mem_ctx);
 514 int ctdb_transaction_fetch(struct ctdb_transaction_handle *h,
 515                            TALLOC_CTX *mem_ctx,
 516                            TDB_DATA key, TDB_DATA *data);
 517 int ctdb_transaction_store(struct ctdb_transaction_handle *h,
 518                            TDB_DATA key, TDB_DATA data);
 519 int ctdb_transaction_commit(struct ctdb_transaction_handle *h);
 520 int ctdb_transaction_cancel(struct ctdb_transaction_handle *h);
 521
 522 int ctdb_ctrl_recd_ping(struct ctdb_context *ctdb);
 523
 524 int switch_from_server_to_client(struct ctdb_context *ctdb, const char *fmt,
 525                                  ...);
 526
 527 int ctdb_ctrl_getscriptstatus(struct ctdb_context *ctdb,
 528                     struct timeval timeout, uint32_t destnode,
 529                     TALLOC_CTX *mem_ctx, enum ctdb_eventscript_call type,
 530                     struct ctdb_scripts_wire **script_status);
 531
 532
 533 int ctdb_ctrl_stop_node(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 534 int ctdb_ctrl_continue_node(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 535
 536 int ctdb_ctrl_setnatgwstate(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t natgwstate);
 537 int ctdb_ctrl_setlmasterrole(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t lmasterrole);
 538 int ctdb_ctrl_setrecmasterrole(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmasterrole);
 539
 540 int ctdb_ctrl_enablescript(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, const char *script);
 541 int ctdb_ctrl_disablescript(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, const char *script);
 542
 543 struct ctdb_ban_time {
 544         uint32_t pnn;
 545         uint32_t time;
 546 };
 547
 548 int ctdb_ctrl_set_ban(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, struct ctdb_ban_time *bantime);
 549 int ctdb_ctrl_get_ban(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, struct ctdb_ban_time **bantime);
 550
 551 struct ctdb_db_priority {
 552         uint32_t db_id;
 553         uint32_t priority;
 554 };
 555
 556 int ctdb_ctrl_set_db_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, struct ctdb_db_priority *db_prio);
 557 int ctdb_ctrl_get_db_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t db_id, uint32_t *priority);
 558
 559 int ctdb_ctrl_getstathistory(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, struct ctdb_statistics_wire **stats);
 560
 561
 562
 563 struct ctdb_client_control_state *
 564 ctdb_ctrl_updaterecord_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, struct ctdb_db_context *ctdb_db, TDB_DATA key, struct ctdb_ltdb_header *header, TDB_DATA data);
 565
 566 int ctdb_ctrl_updaterecord_recv(struct ctdb_context *ctdb, struct ctdb_client_control_state *state);
 567
 568 int
 569 ctdb_ctrl_updaterecord(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, struct ctdb_db_context *ctdb_db, TDB_DATA key, struct ctdb_ltdb_header *header, TDB_DATA data);
 570
 571
 572 struct ctdb_client_control_state *
 573 ctdb_ctrl_set_db_readonly_send(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid);
 574 int ctdb_ctrl_set_db_readonly_recv(struct ctdb_context *ctdb, struct ctdb_client_control_state *state);
 575 int ctdb_ctrl_set_db_readonly(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid);
 576
 577 struct ctdb_client_control_state *
 578 ctdb_ctrl_set_db_sticky_send(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid);
 579 int ctdb_ctrl_set_db_sticky_recv(struct ctdb_context *ctdb, struct ctdb_client_control_state *state);
 580 int ctdb_ctrl_set_db_sticky(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid);
 581
 582 #endif /* _CTDB_CLIENT_H */