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