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 the directory for the local databases
  69 */
  70 int ctdb_set_tdb_dir(struct ctdb_context *ctdb, const char *dir);
  71 int ctdb_set_tdb_dir_persistent(struct ctdb_context *ctdb, const char *dir);
  72 int ctdb_set_tdb_dir_state(struct ctdb_context *ctdb, const char *dir);
  73
  74 /*
  75   set some flags
  76 */
  77 void ctdb_set_flags(struct ctdb_context *ctdb, unsigned flags);
  78
  79 /*
  80   tell ctdb what address to listen on, in transport specific format
  81 */
  82 int ctdb_set_address(struct ctdb_context *ctdb, const char *address);
  83
  84 int ctdb_set_socketname(struct ctdb_context *ctdb, const char *socketname);
  85 const char *ctdb_get_socketname(struct ctdb_context *ctdb);
  86
  87 /*
  88   tell ctdb what nodes are available. This takes a filename, which will contain
  89   1 node address per line, in a transport specific format
  90 */
  91 int ctdb_set_nlist(struct ctdb_context *ctdb, const char *nlist);
  92
  93 /*
  94   Check that a specific ip address exists in the node list and returns
  95   the id for the node or -1
  96 */
  97 int ctdb_ip_to_nodeid(struct ctdb_context *ctdb, const char *nodeip);
  98
  99 /*
 100   start the ctdb protocol
 101 */
 102 int ctdb_start(struct ctdb_context *ctdb);
 103 int ctdb_start_daemon(struct ctdb_context *ctdb, bool do_fork, bool use_syslog, const char *public_address_list);
 104
 105 /*
 106   attach to a ctdb database
 107 */
 108 struct ctdb_db_context *ctdb_attach(struct ctdb_context *ctdb,
 109                                     struct timeval timeout,
 110                                     const char *name,
 111                                     bool persistent,
 112                                     uint32_t tdb_flags);
 113
 114
 115 /*
 116   find an attached ctdb_db handle given a name
 117  */
 118 struct ctdb_db_context *ctdb_db_handle(struct ctdb_context *ctdb, const char *name);
 119
 120 /*
 121   error string for last ctdb error
 122 */
 123 const char *ctdb_errstr(struct ctdb_context *);
 124
 125 /* a ctdb call function */
 126 typedef int (*ctdb_fn_t)(struct ctdb_call_info *);
 127
 128 /*
 129   setup a ctdb call function
 130 */
 131 int ctdb_set_call(struct ctdb_db_context *ctdb_db, ctdb_fn_t fn, uint32_t id);
 132
 133
 134
 135 /*
 136   make a ctdb call. The associated ctdb call function will be called on the DMASTER
 137   for the given record
 138 */
 139 int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
 140
 141 /*
 142   initiate an ordered ctdb cluster shutdown
 143   this function will never return
 144 */
 145 void ctdb_shutdown(struct ctdb_context *ctdb);
 146
 147 /* return pnn of this node */
 148 uint32_t ctdb_get_pnn(struct ctdb_context *ctdb);
 149
 150 /*
 151   return the number of nodes
 152 */
 153 uint32_t ctdb_get_num_nodes(struct ctdb_context *ctdb);
 154
 155 /* setup a handler for ctdb messages */
 156 typedef void (*ctdb_msg_fn_t)(struct ctdb_context *, uint64_t srvid,
 157                                   TDB_DATA data, void *);
 158 int ctdb_client_set_message_handler(struct ctdb_context *ctdb, uint64_t srvid,
 159                              ctdb_msg_fn_t handler,
 160                              void *private_data);
 161 int ctdb_client_remove_message_handler(struct ctdb_context *ctdb,
 162                                        uint64_t srvid, void *private_data);
 163
 164
 165 int ctdb_call(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
 166 struct ctdb_client_call_state *ctdb_call_send(struct ctdb_db_context *ctdb_db, struct ctdb_call *call);
 167 int ctdb_call_recv(struct ctdb_client_call_state *state, struct ctdb_call *call);
 168
 169 /* send a ctdb message */
 170 int ctdb_client_send_message(struct ctdb_context *ctdb, uint32_t pnn,
 171                       uint64_t srvid, TDB_DATA data);
 172
 173
 174 /*
 175    Fetch a ctdb record from a remote node
 176  . Underneath this will force the
 177    dmaster for the record to be moved to the local node.
 178 */
 179 struct ctdb_record_handle *ctdb_fetch_lock(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx,
 180                                            TDB_DATA key, TDB_DATA *data);
 181
 182 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);
 183
 184 int ctdb_record_store(struct ctdb_record_handle *h, TDB_DATA data);
 185
 186 int ctdb_fetch(struct ctdb_db_context *ctdb_db, TALLOC_CTX *mem_ctx,
 187                TDB_DATA key, TDB_DATA *data);
 188
 189 int ctdb_register_message_handler(struct ctdb_context *ctdb,
 190                                   TALLOC_CTX *mem_ctx,
 191                                   uint64_t srvid,
 192                                   ctdb_msg_fn_t handler,
 193                                   void *private_data);
 194
 195 struct ctdb_db_context *find_ctdb_db(struct ctdb_context *ctdb, uint32_t id);
 196
 197
 198 struct ctdb_context *ctdb_cmdline_client(struct tevent_context *ev,
 199                                          struct timeval req_timeout);
 200
 201 struct ctdb_statistics;
 202 int ctdb_ctrl_statistics(struct ctdb_context *ctdb, uint32_t destnode, struct ctdb_statistics *status);
 203
 204 int ctdb_ctrl_shutdown(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 205
 206 struct ctdb_vnn_map;
 207 int ctdb_ctrl_getvnnmap(struct ctdb_context *ctdb,
 208                 struct timeval timeout, uint32_t destnode,
 209                 TALLOC_CTX *mem_ctx, struct ctdb_vnn_map **vnnmap);
 210 int ctdb_ctrl_setvnnmap(struct ctdb_context *ctdb,
 211                 struct timeval timeout, uint32_t destnode,
 212                 TALLOC_CTX *mem_ctx, struct ctdb_vnn_map *vnnmap);
 213
 214 /* table that contains a list of all dbids on a node
 215  */
 216 struct ctdb_dbid_map {
 217         uint32_t num;
 218         struct ctdb_dbid {
 219                 uint32_t dbid;
 220 #define CTDB_DB_FLAGS_PERSISTENT        0x01
 221 #define CTDB_DB_FLAGS_READONLY          0x02
 222 #define CTDB_DB_FLAGS_STICKY            0x04
 223                 uint8_t flags;
 224         } dbs[1];
 225 };
 226 int ctdb_ctrl_getdbmap(struct ctdb_context *ctdb,
 227         struct timeval timeout, uint32_t destnode,
 228         TALLOC_CTX *mem_ctx, struct ctdb_dbid_map **dbmap);
 229
 230
 231 struct ctdb_node_map;
 232
 233 int ctdb_ctrl_getnodemap(struct ctdb_context *ctdb,
 234                     struct timeval timeout, uint32_t destnode,
 235                     TALLOC_CTX *mem_ctx, struct ctdb_node_map **nodemap);
 236
 237 int ctdb_ctrl_getnodemapv4(struct ctdb_context *ctdb,
 238                     struct timeval timeout, uint32_t destnode,
 239                     TALLOC_CTX *mem_ctx, struct ctdb_node_map **nodemap);
 240
 241 int ctdb_ctrl_reload_nodes_file(struct ctdb_context *ctdb,
 242                     struct timeval timeout, uint32_t destnode);
 243
 244 struct ctdb_key_list {
 245         uint32_t dbid;
 246         uint32_t num;
 247         TDB_DATA *keys;
 248         struct ctdb_ltdb_header *headers;
 249         TDB_DATA *data;
 250 };
 251
 252 int ctdb_ctrl_pulldb(
 253        struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
 254        uint32_t lmaster, TALLOC_CTX *mem_ctx,
 255        struct timeval timeout, TDB_DATA *outdata);
 256
 257 struct ctdb_client_control_state *ctdb_ctrl_pulldb_send(
 258        struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
 259        uint32_t lmaster, TALLOC_CTX *mem_ctx, struct timeval timeout);
 260
 261 int ctdb_ctrl_pulldb_recv(
 262        struct ctdb_context *ctdb,
 263        TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state,
 264        TDB_DATA *outdata);
 265
 266 int ctdb_ctrl_pushdb(
 267        struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
 268        TALLOC_CTX *mem_ctx,
 269        struct timeval timeout, TDB_DATA indata);
 270
 271 struct ctdb_client_control_state *ctdb_ctrl_pushdb_send(
 272        struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid,
 273        TALLOC_CTX *mem_ctx, struct timeval timeout,
 274        TDB_DATA indata);
 275
 276 int ctdb_ctrl_pushdb_recv(
 277        struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
 278        struct ctdb_client_control_state *state);
 279
 280
 281 int ctdb_ctrl_copydb(struct ctdb_context *ctdb,
 282         struct timeval timeout, uint32_t sourcenode,
 283         uint32_t destnode, uint32_t dbid, uint32_t lmaster,
 284         TALLOC_CTX *mem_ctx);
 285
 286 int ctdb_ctrl_getdbpath(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **path);
 287 int ctdb_ctrl_getdbname(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t dbid, TALLOC_CTX *mem_ctx, const char **name);
 288 int ctdb_ctrl_getdbhealth(struct ctdb_context *ctdb,
 289                           struct timeval timeout,
 290                           uint32_t destnode,
 291                           uint32_t dbid, TALLOC_CTX *mem_ctx,
 292                           const char **reason);
 293 int ctdb_ctrl_createdb(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, const char *name, bool persistent);
 294
 295 int ctdb_ctrl_process_exists(struct ctdb_context *ctdb, uint32_t destnode, pid_t pid);
 296
 297 int ctdb_ctrl_ping(struct ctdb_context *ctdb, uint32_t destnode);
 298
 299 int ctdb_ctrl_get_config(struct ctdb_context *ctdb);
 300
 301 int ctdb_ctrl_get_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t *level);
 302 int ctdb_ctrl_set_debuglevel(struct ctdb_context *ctdb, uint32_t destnode, int32_t level);
 303
 304 /*
 305   change dmaster for all keys in the database to the new value
 306  */
 307 int ctdb_ctrl_setdmaster(struct ctdb_context *ctdb,
 308         struct timeval timeout, uint32_t destnode,
 309         TALLOC_CTX *mem_ctx, uint32_t dbid, uint32_t dmaster);
 310
 311 /*
 312   write a record on a specific db (this implicitely updates dmaster of the record to locally be the vnn of the node where the control is executed on)
 313  */
 314 int ctdb_ctrl_write_record(struct ctdb_context *ctdb, uint32_t destnode, TALLOC_CTX *mem_ctx, uint32_t dbid, TDB_DATA key, TDB_DATA data);
 315
 316 #define CTDB_RECOVERY_NORMAL            0
 317 #define CTDB_RECOVERY_ACTIVE            1
 318
 319 /*
 320   get the recovery mode of a remote node
 321  */
 322 int ctdb_ctrl_getrecmode(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, uint32_t *recmode);
 323
 324 struct ctdb_client_control_state *ctdb_ctrl_getrecmode_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
 325
 326 int ctdb_ctrl_getrecmode_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *recmode);
 327
 328
 329 /*
 330   set the recovery mode of a remote node
 331  */
 332 int ctdb_ctrl_setrecmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmode);
 333 /*
 334   get the monitoring mode of a remote node
 335  */
 336 int ctdb_ctrl_getmonmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *monmode);
 337
 338 /*
 339   set the monitoring mode of a remote node to active
 340  */
 341 int ctdb_ctrl_enable_monmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 342
 343 /*
 344   set the monitoring mode of a remote node to disabled
 345  */
 346 int ctdb_ctrl_disable_monmode(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 347
 348
 349 /*
 350   get the recovery master of a remote node
 351  */
 352 int ctdb_ctrl_getrecmaster(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, uint32_t *recmaster);
 353
 354 struct ctdb_client_control_state *ctdb_ctrl_getrecmaster_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
 355
 356 int ctdb_ctrl_getrecmaster_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *recmaster);
 357
 358
 359
 360 /*
 361   set the recovery master of a remote node
 362  */
 363 int ctdb_ctrl_setrecmaster(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmaster);
 364
 365 uint32_t *ctdb_get_connected_nodes(struct ctdb_context *ctdb,
 366                                    struct timeval timeout,
 367                                    TALLOC_CTX *mem_ctx,
 368                                    uint32_t *num_nodes);
 369
 370 int ctdb_statistics_reset(struct ctdb_context *ctdb, uint32_t destnode);
 371
 372 int ctdb_set_logfile(struct ctdb_context *ctdb, const char *logfile, bool use_syslog);
 373
 374 typedef int (*ctdb_traverse_func)(struct ctdb_context *, TDB_DATA, TDB_DATA, void *);
 375 int ctdb_traverse(struct ctdb_db_context *ctdb_db, ctdb_traverse_func fn, void *private_data);
 376
 377 struct ctdb_dump_db_context {
 378         FILE *f;
 379         bool printemptyrecords;
 380         bool printdatasize;
 381         bool printlmaster;
 382         bool printhash;
 383         bool printrecordflags;
 384 };
 385
 386 int ctdb_dumpdb_record(struct ctdb_context *ctdb, TDB_DATA key, TDB_DATA data, void *p);
 387 int ctdb_dump_db(struct ctdb_db_context *ctdb_db,
 388                  struct ctdb_dump_db_context *ctx);
 389
 390 /*
 391   get the pid of a ctdb daemon
 392  */
 393 int ctdb_ctrl_getpid(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *pid);
 394
 395 int ctdb_ctrl_freeze(struct ctdb_context *ctdb, struct timeval timeout,
 396                         uint32_t destnode);
 397 int ctdb_ctrl_freeze_priority(struct ctdb_context *ctdb, struct timeval timeout,
 398                               uint32_t destnode, uint32_t priority);
 399
 400 struct ctdb_client_control_state *
 401 ctdb_ctrl_freeze_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
 402                       struct timeval timeout, uint32_t destnode,
 403                       uint32_t priority);
 404
 405 int ctdb_ctrl_freeze_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx,
 406                         struct ctdb_client_control_state *state);
 407
 408 int ctdb_ctrl_thaw_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t priority);
 409 int ctdb_ctrl_thaw(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 410
 411 int ctdb_ctrl_getpnn(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 412
 413 int ctdb_ctrl_get_tunable(struct ctdb_context *ctdb,
 414                           struct timeval timeout,
 415                           uint32_t destnode,
 416                           const char *name, uint32_t *value);
 417
 418 int ctdb_ctrl_set_tunable(struct ctdb_context *ctdb,
 419                           struct timeval timeout,
 420                           uint32_t destnode,
 421                           const char *name, uint32_t value);
 422
 423 int ctdb_ctrl_list_tunables(struct ctdb_context *ctdb,
 424                             struct timeval timeout,
 425                             uint32_t destnode,
 426                             TALLOC_CTX *mem_ctx,
 427                             const char ***list, uint32_t *count);
 428
 429 int ctdb_ctrl_modflags(struct ctdb_context *ctdb,
 430                        struct timeval timeout,
 431                        uint32_t destnode,
 432                        uint32_t set, uint32_t clear);
 433
 434 enum ctdb_server_id_type {
 435         SERVER_TYPE_SAMBA=1,
 436         SERVER_TYPE_NFSD=2,
 437         SERVER_TYPE_ISCSID=3
 438 };
 439
 440 struct ctdb_server_id {
 441         enum ctdb_server_id_type type;
 442         uint32_t pnn;
 443         uint32_t server_id;
 444 };
 445
 446 struct ctdb_server_id_list {
 447         uint32_t num;
 448         struct ctdb_server_id server_ids[1];
 449 };
 450
 451
 452 int ctdb_ctrl_register_server_id(struct ctdb_context *ctdb,
 453                 struct timeval timeout,
 454                 struct ctdb_server_id *id);
 455 int ctdb_ctrl_unregister_server_id(struct ctdb_context *ctdb,
 456                 struct timeval timeout,
 457                 struct ctdb_server_id *id);
 458 int ctdb_ctrl_check_server_id(struct ctdb_context *ctdb,
 459                 struct timeval timeout, uint32_t destnode,
 460                 struct ctdb_server_id *id, uint32_t *status);
 461 int ctdb_ctrl_get_server_id_list(struct ctdb_context *ctdb,
 462                 TALLOC_CTX *mem_ctx,
 463                 struct timeval timeout, uint32_t destnode,
 464                 struct ctdb_server_id_list **svid_list);
 465
 466 struct ctdb_uptime {
 467         struct timeval current_time;
 468         struct timeval ctdbd_start_time;
 469         struct timeval last_recovery_started;
 470         struct timeval last_recovery_finished;
 471 };
 472
 473 /*
 474   struct for tcp_client control
 475   this is an ipv4 only version of this structure used by samba
 476   samba will later be migrated over to use the
 477   ctdb_control_tcp_addr structure instead
 478  */
 479 struct ctdb_control_tcp {
 480         struct sockaddr_in src; // samba uses this
 481         struct sockaddr_in dest;// samba uses this
 482 };
 483 /* new style structure */
 484 struct ctdb_control_tcp_addr {
 485         ctdb_sock_addr src;
 486         ctdb_sock_addr dest;
 487 };
 488
 489 int ctdb_socket_connect(struct ctdb_context *ctdb);
 490
 491 /*
 492   get the uptime of a remote node
 493  */
 494 int ctdb_ctrl_uptime(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode, struct ctdb_uptime **uptime);
 495
 496 struct ctdb_client_control_state *ctdb_ctrl_uptime_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
 497
 498 int ctdb_ctrl_uptime_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, struct ctdb_uptime **uptime);
 499
 500 int ctdb_ctrl_end_recovery(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 501
 502 int ctdb_ctrl_getreclock(struct ctdb_context *ctdb,
 503         struct timeval timeout, uint32_t destnode,
 504         TALLOC_CTX *mem_ctx, const char **reclock);
 505 int ctdb_ctrl_setreclock(struct ctdb_context *ctdb,
 506         struct timeval timeout, uint32_t destnode,
 507         const char *reclock);
 508
 509
 510 uint32_t *list_of_connected_nodes(struct ctdb_context *ctdb,
 511                                 struct ctdb_node_map *node_map,
 512                                 TALLOC_CTX *mem_ctx,
 513                                 bool include_self);
 514 uint32_t *list_of_active_nodes(struct ctdb_context *ctdb,
 515                                 struct ctdb_node_map *node_map,
 516                                 TALLOC_CTX *mem_ctx,
 517                                 bool include_self);
 518 uint32_t *list_of_vnnmap_nodes(struct ctdb_context *ctdb,
 519                                 struct ctdb_vnn_map *vnn_map,
 520                                 TALLOC_CTX *mem_ctx,
 521                                 bool include_self);
 522 uint32_t *list_of_active_nodes_except_pnn(struct ctdb_context *ctdb,
 523                                 struct ctdb_node_map *node_map,
 524                                 TALLOC_CTX *mem_ctx,
 525                                 uint32_t pnn);
 526
 527 int ctdb_read_pnn_lock(int fd, int32_t pnn);
 528
 529 /*
 530   get capabilities of a remote node
 531  */
 532 int ctdb_ctrl_getcapabilities(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t *capabilities);
 533
 534 struct ctdb_client_control_state *ctdb_ctrl_getcapabilities_send(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct timeval timeout, uint32_t destnode);
 535
 536 int ctdb_ctrl_getcapabilities_recv(struct ctdb_context *ctdb, TALLOC_CTX *mem_ctx, struct ctdb_client_control_state *state, uint32_t *capabilities);
 537
 538
 539 int32_t ctdb_ctrl_transaction_active(struct ctdb_context *ctdb,
 540                                      uint32_t destnode,
 541                                      uint32_t db_id);
 542
 543 struct ctdb_marshall_buffer *ctdb_marshall_add(TALLOC_CTX *mem_ctx,
 544                                                struct ctdb_marshall_buffer *m,
 545                                                uint64_t db_id,
 546                                                uint32_t reqid,
 547                                                TDB_DATA key,
 548                                                struct ctdb_ltdb_header *header,
 549                                                TDB_DATA data);
 550 TDB_DATA ctdb_marshall_finish(struct ctdb_marshall_buffer *m);
 551
 552 struct ctdb_transaction_handle *ctdb_transaction_start(struct ctdb_db_context *ctdb_db,
 553                                                        TALLOC_CTX *mem_ctx);
 554 int ctdb_transaction_fetch(struct ctdb_transaction_handle *h,
 555                            TALLOC_CTX *mem_ctx,
 556                            TDB_DATA key, TDB_DATA *data);
 557 int ctdb_transaction_store(struct ctdb_transaction_handle *h,
 558                            TDB_DATA key, TDB_DATA data);
 559 int ctdb_transaction_commit(struct ctdb_transaction_handle *h);
 560
 561 int ctdb_ctrl_recd_ping(struct ctdb_context *ctdb);
 562
 563 int switch_from_server_to_client(struct ctdb_context *ctdb, const char *fmt,
 564                                  ...);
 565
 566 int ctdb_ctrl_getscriptstatus(struct ctdb_context *ctdb,
 567                     struct timeval timeout, uint32_t destnode,
 568                     TALLOC_CTX *mem_ctx, enum ctdb_eventscript_call type,
 569                     struct ctdb_scripts_wire **script_status);
 570
 571
 572 struct debug_levels {
 573         int32_t level;
 574         const char *description;
 575 };
 576 extern struct debug_levels debug_levels[];
 577
 578 const char *get_debug_by_level(int32_t level);
 579 int32_t get_debug_by_desc(const char *desc);
 580
 581 int ctdb_ctrl_stop_node(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 582 int ctdb_ctrl_continue_node(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode);
 583
 584 int ctdb_ctrl_setnatgwstate(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t natgwstate);
 585 int ctdb_ctrl_setlmasterrole(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t lmasterrole);
 586 int ctdb_ctrl_setrecmasterrole(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t recmasterrole);
 587
 588 int ctdb_ctrl_enablescript(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, const char *script);
 589 int ctdb_ctrl_disablescript(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, const char *script);
 590
 591 struct ctdb_ban_time {
 592         uint32_t pnn;
 593         uint32_t time;
 594 };
 595
 596 int ctdb_ctrl_set_ban(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, struct ctdb_ban_time *bantime);
 597 int ctdb_ctrl_get_ban(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, struct ctdb_ban_time **bantime);
 598
 599 struct ctdb_db_priority {
 600         uint32_t db_id;
 601         uint32_t priority;
 602 };
 603
 604 int ctdb_ctrl_set_db_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, struct ctdb_db_priority *db_prio);
 605 int ctdb_ctrl_get_db_priority(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, uint32_t db_id, uint32_t *priority);
 606
 607 int ctdb_ctrl_getstathistory(struct ctdb_context *ctdb, struct timeval timeout, uint32_t destnode, TALLOC_CTX *mem_ctx, struct ctdb_statistics_wire **stats);
 608
 609
 610
 611 struct ctdb_client_control_state *
 612 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);
 613
 614 int ctdb_ctrl_updaterecord_recv(struct ctdb_context *ctdb, struct ctdb_client_control_state *state);
 615
 616 int
 617 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);
 618
 619
 620 struct ctdb_client_control_state *
 621 ctdb_ctrl_set_db_readonly_send(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid);
 622 int ctdb_ctrl_set_db_readonly_recv(struct ctdb_context *ctdb, struct ctdb_client_control_state *state);
 623 int ctdb_ctrl_set_db_readonly(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid);
 624
 625 struct ctdb_client_control_state *
 626 ctdb_ctrl_set_db_sticky_send(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid);
 627 int ctdb_ctrl_set_db_sticky_recv(struct ctdb_context *ctdb, struct ctdb_client_control_state *state);
 628 int ctdb_ctrl_set_db_sticky(struct ctdb_context *ctdb, uint32_t destnode, uint32_t dbid);
 629
 630 #endif /* _CTDB_CLIENT_H */