ctdb/protocol/protocol_api.h

   1 /*
   2    CTDB protocol marshalling
   3
   4    Copyright (C) Amitay Isaacs  2015
   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_PROTOCOL_API_H__
  21 #define __CTDB_PROTOCOL_API_H__
  22
  23 #include <talloc.h>
  24
  25 #include "protocol/protocol.h"
  26
  27 /* From protocol/protocol_types.c */
  28
  29 size_t ctdb_ltdb_header_len(struct ctdb_ltdb_header *in);
  30 void ctdb_ltdb_header_push(struct ctdb_ltdb_header *in, uint8_t *buf,
  31                            size_t *npush);
  32 int ctdb_ltdb_header_pull(uint8_t *buf, size_t buflen,
  33                           struct ctdb_ltdb_header *out, size_t *npull);
  34
  35 int ctdb_ltdb_header_extract(TDB_DATA *data, struct ctdb_ltdb_header *header);
  36
  37 size_t ctdb_rec_data_len(struct ctdb_rec_data *in);
  38 void ctdb_rec_data_push(struct ctdb_rec_data *in, uint8_t *buf, size_t *npush);
  39 int ctdb_rec_data_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx,
  40                        struct ctdb_rec_data **out, size_t *npull);
  41
  42 size_t ctdb_rec_buffer_len(struct ctdb_rec_buffer *in);
  43 void ctdb_rec_buffer_push(struct ctdb_rec_buffer *in, uint8_t *buf,
  44                           size_t *npush);
  45 int ctdb_rec_buffer_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx,
  46                          struct ctdb_rec_buffer **out, size_t *npull);
  47
  48 struct ctdb_rec_buffer *ctdb_rec_buffer_init(TALLOC_CTX *mem_ctx,
  49                                              uint32_t db_id);
  50 int ctdb_rec_buffer_add(TALLOC_CTX *mem_ctx, struct ctdb_rec_buffer *recbuf,
  51                         uint32_t reqid, struct ctdb_ltdb_header *header,
  52                         TDB_DATA key, TDB_DATA data);
  53 int ctdb_rec_buffer_traverse(struct ctdb_rec_buffer *recbuf,
  54                              ctdb_rec_parser_func_t func,
  55                              void *private_data);
  56
  57 int ctdb_rec_buffer_write(struct ctdb_rec_buffer *recbuf, int fd);
  58 int ctdb_rec_buffer_read(int fd, TALLOC_CTX *mem_ctx,
  59                          struct ctdb_rec_buffer **out);
  60
  61 size_t ctdb_server_id_len(struct ctdb_server_id *in);
  62 void ctdb_server_id_push(struct ctdb_server_id *in, uint8_t *buf,
  63                          size_t *npush);
  64 int ctdb_server_id_pull(uint8_t *buf, size_t buflen,
  65                         struct ctdb_server_id *out, size_t *npull);
  66
  67 size_t ctdb_g_lock_len(struct ctdb_g_lock *in);
  68 void ctdb_g_lock_push(struct ctdb_g_lock *in, uint8_t *buf, size_t *npush);
  69 int ctdb_g_lock_pull(uint8_t *buf, size_t buflen, struct ctdb_g_lock *out,
  70                      size_t *npull);
  71
  72 size_t ctdb_g_lock_list_len(struct ctdb_g_lock_list *in);
  73 void ctdb_g_lock_list_push(struct ctdb_g_lock_list *in, uint8_t *buf,
  74                            size_t *npush);
  75 int ctdb_g_lock_list_pull(uint8_t *buf, size_t buflen, TALLOC_CTX *mem_ctx,
  76                           struct ctdb_g_lock_list **out, size_t *npull);
  77
  78 /* From protocol/protocol_header.c */
  79
  80 void ctdb_req_header_fill(struct ctdb_req_header *h, uint32_t generation,
  81                           uint32_t operation, uint32_t destnode,
  82                           uint32_t srcnode, uint32_t reqid);
  83
  84 size_t ctdb_req_header_len(struct ctdb_req_header *in);
  85 void ctdb_req_header_push(struct ctdb_req_header *in, uint8_t *buf,
  86                           size_t *npush);
  87 int ctdb_req_header_pull(uint8_t *buf, size_t buflen,
  88                          struct ctdb_req_header *out, size_t *npull);
  89
  90 int ctdb_req_header_verify(struct ctdb_req_header *h, uint32_t operation);
  91
  92 /* From protocol/protocol_call.c */
  93
  94 size_t ctdb_req_call_len(struct ctdb_req_header *h,
  95                          struct ctdb_req_call *c);
  96
  97 int ctdb_req_call_push(struct ctdb_req_header *h,
  98                        struct ctdb_req_call *c,
  99                        uint8_t *buf, size_t *buflen);
 100
 101 int ctdb_req_call_pull(uint8_t *buf, size_t buflen,
 102                        struct ctdb_req_header *h,
 103                        TALLOC_CTX *mem_ctx,
 104                        struct ctdb_req_call *c);
 105
 106 size_t ctdb_reply_call_len(struct ctdb_req_header *h,
 107                            struct ctdb_reply_call *c);
 108
 109 int ctdb_reply_call_push(struct ctdb_req_header *h,
 110                          struct ctdb_reply_call *c,
 111                          uint8_t *buf, size_t *buflen);
 112
 113 int ctdb_reply_call_pull(uint8_t *buf, size_t buflen,
 114                          struct ctdb_req_header *h,
 115                          TALLOC_CTX *mem_ctx,
 116                          struct ctdb_reply_call *c);
 117
 118 size_t ctdb_reply_error_len(struct ctdb_req_header *h,
 119                             struct ctdb_reply_error *c);
 120
 121 int ctdb_reply_error_push(struct ctdb_req_header *h,
 122                           struct ctdb_reply_error *c,
 123                           uint8_t *buf, size_t *buflen);
 124
 125 int ctdb_reply_error_pull(uint8_t *buf, size_t buflen,
 126                           struct ctdb_req_header *h,
 127                           TALLOC_CTX *mem_ctx,
 128                           struct ctdb_reply_error *c);
 129
 130 size_t ctdb_req_dmaster_len(struct ctdb_req_header *h,
 131                             struct ctdb_req_dmaster *c);
 132
 133 int ctdb_req_dmaster_push(struct ctdb_req_header *h,
 134                           struct ctdb_req_dmaster *c,
 135                           uint8_t *buf, size_t *buflen);
 136
 137 int ctdb_req_dmaster_pull(uint8_t *buf, size_t buflen,
 138                           struct ctdb_req_header *h,
 139                           TALLOC_CTX *mem_ctx,
 140                           struct ctdb_req_dmaster *c);
 141
 142 size_t ctdb_reply_dmaster_len(struct ctdb_req_header *h,
 143                               struct ctdb_reply_dmaster *c);
 144
 145 int ctdb_reply_dmaster_push(struct ctdb_req_header *h,
 146                             struct ctdb_reply_dmaster *c,
 147                             uint8_t *buf, size_t *buflen);
 148
 149 int ctdb_reply_dmaster_pull(uint8_t *buf, size_t buflen,
 150                             struct ctdb_req_header *h,
 151                             TALLOC_CTX *mem_ctx,
 152                             struct ctdb_reply_dmaster *c);
 153
 154 /* From protocol/protocol_control.c */
 155
 156 size_t ctdb_req_control_len(struct ctdb_req_header *h,
 157                             struct ctdb_req_control *c);
 158
 159 int ctdb_req_control_push(struct ctdb_req_header *h,
 160                           struct ctdb_req_control *c,
 161                           uint8_t *buf, size_t *buflen);
 162
 163 int ctdb_req_control_pull(uint8_t *buf, size_t buflen,
 164                           struct ctdb_req_header *h,
 165                           TALLOC_CTX *mem_ctx,
 166                           struct ctdb_req_control *c);
 167
 168 size_t ctdb_reply_control_len(struct ctdb_req_header *h,
 169                               struct ctdb_reply_control *c);
 170
 171 int ctdb_reply_control_push(struct ctdb_req_header *h,
 172                             struct ctdb_reply_control *c,
 173                             uint8_t *buf, size_t *buflen);
 174
 175 int ctdb_reply_control_pull(uint8_t *buf, size_t buflen, uint32_t opcode,
 176                             struct ctdb_req_header *h,
 177                             TALLOC_CTX *mem_ctx,
 178                             struct ctdb_reply_control *c);
 179
 180 /* From protocol/protocol_client.c */
 181
 182 void ctdb_req_control_process_exists(struct ctdb_req_control *request,
 183                                      pid_t pid);
 184 int ctdb_reply_control_process_exists(struct ctdb_reply_control *reply,
 185                                       int *status);
 186
 187 void ctdb_req_control_statistics(struct ctdb_req_control *request);
 188
 189 int ctdb_reply_control_statistics(struct ctdb_reply_control *reply,
 190                                   TALLOC_CTX *mem_ctx,
 191                                   struct ctdb_statistics **stats);
 192
 193 void ctdb_req_control_ping(struct ctdb_req_control *request);
 194 int ctdb_reply_control_ping(struct ctdb_reply_control *reply,
 195                             int *num_clients);
 196
 197 void ctdb_req_control_getdbpath(struct ctdb_req_control *request,
 198                                 uint32_t db_id);
 199 int ctdb_reply_control_getdbpath(struct ctdb_reply_control *reply,
 200                                  TALLOC_CTX *mem_ctx, const char **db_path);
 201
 202 void ctdb_req_control_getvnnmap(struct ctdb_req_control *request);
 203 int ctdb_reply_control_getvnnmap(struct ctdb_reply_control *reply,
 204                                  TALLOC_CTX *mem_ctx,
 205                                  struct ctdb_vnn_map **vnnmap);
 206
 207 void ctdb_req_control_setvnnmap(struct ctdb_req_control *request,
 208                                 struct ctdb_vnn_map *vnnmap);
 209 int ctdb_reply_control_setvnnmap(struct ctdb_reply_control *reply);
 210
 211 void ctdb_req_control_get_debug(struct ctdb_req_control *request);
 212 int ctdb_reply_control_get_debug(struct ctdb_reply_control *reply,
 213                                  int *debug_level);
 214
 215 void ctdb_req_control_set_debug(struct ctdb_req_control *request,
 216                                 int debug_level);
 217 int ctdb_reply_control_set_debug(struct ctdb_reply_control *reply);
 218
 219 void ctdb_req_control_get_dbmap(struct ctdb_req_control *request);
 220 int ctdb_reply_control_get_dbmap(struct ctdb_reply_control *reply,
 221                                  TALLOC_CTX *mem_ctx,
 222                                  struct ctdb_dbid_map **dbmap);
 223
 224 void ctdb_req_control_pull_db(struct ctdb_req_control *request,
 225                               struct ctdb_pulldb *pulldb);
 226 int ctdb_reply_control_pull_db(struct ctdb_reply_control *reply,
 227                                TALLOC_CTX *mem_ctx,
 228                                struct ctdb_rec_buffer **recbuf);
 229
 230 void ctdb_req_control_push_db(struct ctdb_req_control *request,
 231                               struct ctdb_rec_buffer *recbuf);
 232 int ctdb_reply_control_push_db(struct ctdb_reply_control *reply);
 233
 234 void ctdb_req_control_get_recmode(struct ctdb_req_control *request);
 235 int ctdb_reply_control_get_recmode(struct ctdb_reply_control *reply,
 236                                    int *recmode);
 237
 238 void ctdb_req_control_set_recmode(struct ctdb_req_control *request,
 239                                   int recmode);
 240 int ctdb_reply_control_set_recmode(struct ctdb_reply_control *reply);
 241
 242 void ctdb_req_control_statistics_reset(struct ctdb_req_control *request);
 243 int ctdb_reply_control_statistics_reset(struct ctdb_reply_control *reply);
 244
 245 void ctdb_req_control_db_attach(struct ctdb_req_control *request,
 246                                 const char *db_name);
 247 int ctdb_reply_control_db_attach(struct ctdb_reply_control *reply,
 248                                  uint32_t *db_id);
 249
 250 void ctdb_req_control_traverse_start(struct ctdb_req_control *request,
 251                                      struct ctdb_traverse_start *traverse);
 252 int ctdb_reply_control_traverse_start(struct ctdb_reply_control *reply);
 253
 254 void ctdb_req_control_register_srvid(struct ctdb_req_control *request,
 255                                      uint64_t srvid);
 256 int ctdb_reply_control_register_srvid(struct ctdb_reply_control *reply);
 257
 258 void ctdb_req_control_deregister_srvid(struct ctdb_req_control *request,
 259                                        uint64_t srvid);
 260 int ctdb_reply_control_deregister_srvid(struct ctdb_reply_control *reply);
 261
 262 void ctdb_req_control_get_dbname(struct ctdb_req_control *request,
 263                                  uint32_t db_id);
 264 int ctdb_reply_control_get_dbname(struct ctdb_reply_control *reply,
 265                                   TALLOC_CTX *mem_ctx, const char **db_name);
 266
 267 void ctdb_req_control_enable_seqnum(struct ctdb_req_control *request,
 268                                     uint32_t db_id);
 269 int ctdb_reply_control_enable_seqnum(struct ctdb_reply_control *reply);
 270
 271 void ctdb_req_control_update_seqnum(struct ctdb_req_control *request,
 272                                     uint32_t db_id);
 273 int ctdb_reply_control_update_seqnum(struct ctdb_reply_control *reply);
 274
 275 void ctdb_req_control_dump_memory(struct ctdb_req_control *request);
 276 int ctdb_reply_control_dump_memory(struct ctdb_reply_control *reply,
 277                                    TALLOC_CTX *mem_ctx, const char **mem_str);
 278
 279 void ctdb_req_control_get_pid(struct ctdb_req_control *request);
 280 int ctdb_reply_control_get_pid(struct ctdb_reply_control *reply,
 281                                pid_t *pid);
 282
 283 void ctdb_req_control_get_recmaster(struct ctdb_req_control *request);
 284 int ctdb_reply_control_get_recmaster(struct ctdb_reply_control *reply,
 285                                      uint32_t *recmaster);
 286
 287 void ctdb_req_control_set_recmaster(struct ctdb_req_control *request,
 288                                     int recmaster);
 289 int ctdb_reply_control_set_recmaster(struct ctdb_reply_control *reply);
 290
 291 void ctdb_req_control_freeze(struct ctdb_req_control *request,
 292                              uint32_t priority);
 293 int ctdb_reply_control_freeze(struct ctdb_reply_control *reply);
 294
 295 void ctdb_req_control_get_pnn(struct ctdb_req_control *request);
 296 int ctdb_reply_control_get_pnn(struct ctdb_reply_control *reply,
 297                                uint32_t *pnn);
 298
 299 void ctdb_req_control_shutdown(struct ctdb_req_control *request);
 300 int ctdb_reply_control_shutdown(struct ctdb_reply_control *reply);
 301
 302 void ctdb_req_control_get_monmode(struct ctdb_req_control *request);
 303 int ctdb_reply_control_get_monmode(struct ctdb_reply_control *reply,
 304                                    int *mon_mode);
 305
 306 void ctdb_req_control_tcp_client(struct ctdb_req_control *request,
 307                                  struct ctdb_connection *conn);
 308 int ctdb_reply_control_tcp_client(struct ctdb_reply_control *reply);
 309
 310 void ctdb_req_control_tcp_add(struct ctdb_req_control *request,
 311                               struct ctdb_connection *conn);
 312 int ctdb_reply_control_tcp_add(struct ctdb_reply_control *reply);
 313
 314 void ctdb_req_control_tcp_remove(struct ctdb_req_control *request,
 315                                  struct ctdb_connection *conn);
 316 int ctdb_reply_control_tcp_remove(struct ctdb_reply_control *reply);
 317
 318 void ctdb_req_control_startup(struct ctdb_req_control *request);
 319 int ctdb_reply_control_startup(struct ctdb_reply_control *reply);
 320
 321 void ctdb_req_control_set_tunable(struct ctdb_req_control *request,
 322                                   struct ctdb_tunable *tunable);
 323 int ctdb_reply_control_set_tunable(struct ctdb_reply_control *reply);
 324
 325 void ctdb_req_control_get_tunable(struct ctdb_req_control *request,
 326                                   const char *name);
 327 int ctdb_reply_control_get_tunable(struct ctdb_reply_control *reply,
 328                                    uint32_t *value);
 329
 330 void ctdb_req_control_list_tunables(struct ctdb_req_control *request);
 331 int ctdb_reply_control_list_tunables(struct ctdb_reply_control *reply,
 332                                      TALLOC_CTX *mem_ctx,
 333                                      struct ctdb_var_list **tun_var_list);
 334
 335 void ctdb_req_control_modify_flags(struct ctdb_req_control *request,
 336                                    struct ctdb_node_flag_change *flag_change);
 337 int ctdb_reply_control_modify_flags(struct ctdb_reply_control *reply);
 338
 339 void ctdb_req_control_get_all_tunables(struct ctdb_req_control *request);
 340 int ctdb_reply_control_get_all_tunables(struct ctdb_reply_control *reply,
 341                                         TALLOC_CTX *mem_ctx,
 342                                         struct ctdb_tunable_list **tun_list);
 343
 344 void ctdb_req_control_get_tcp_tickle_list(struct ctdb_req_control *request,
 345                                           ctdb_sock_addr *addr);
 346 int ctdb_reply_control_get_tcp_tickle_list(struct ctdb_reply_control *reply,
 347                                            TALLOC_CTX *mem_ctx,
 348                                            struct ctdb_tickle_list **tickles);
 349
 350 void ctdb_req_control_set_tcp_tickle_list(struct ctdb_req_control *request,
 351                                           struct ctdb_tickle_list *tickles);
 352 int ctdb_reply_control_set_tcp_tickle_list(struct ctdb_reply_control *reply);
 353
 354 void ctdb_req_control_db_attach_persistent(struct ctdb_req_control *request,
 355                                            const char *name);
 356 int ctdb_reply_control_db_attach_persistent(struct ctdb_reply_control *reply,
 357                                             uint32_t *db_id);
 358
 359 void ctdb_req_control_update_record(struct ctdb_req_control *request,
 360                                     struct ctdb_rec_buffer *recbuf);
 361 int ctdb_reply_control_update_record(struct ctdb_reply_control *reply);
 362
 363 void ctdb_req_control_send_gratuitous_arp(struct ctdb_req_control *request,
 364                                           struct ctdb_addr_info *addr_info);
 365 int ctdb_reply_control_send_gratuitous_arp(struct ctdb_reply_control *reply);
 366
 367 void ctdb_req_control_wipe_database(struct ctdb_req_control *request,
 368                                     struct ctdb_transdb *transdb);
 369 int ctdb_reply_control_wipe_database(struct ctdb_reply_control *reply);
 370
 371 void ctdb_req_control_uptime(struct ctdb_req_control *request);
 372 int ctdb_reply_control_uptime(struct ctdb_reply_control *reply,
 373                               TALLOC_CTX *mem_ctx,
 374                               struct ctdb_uptime **uptime);
 375
 376 void ctdb_req_control_start_recovery(struct ctdb_req_control *request);
 377 int ctdb_reply_control_start_recovery(struct ctdb_reply_control *reply);
 378
 379 void ctdb_req_control_end_recovery(struct ctdb_req_control *request);
 380 int ctdb_reply_control_end_recovery(struct ctdb_reply_control *reply);
 381
 382 void ctdb_req_control_reload_nodes_file(struct ctdb_req_control *request);
 383 int ctdb_reply_control_reload_nodes_file(struct ctdb_reply_control *reply);
 384
 385 void ctdb_req_control_try_delete_records(struct ctdb_req_control *request,
 386                                          struct ctdb_rec_buffer *recbuf);
 387 int ctdb_reply_control_try_delete_records(struct ctdb_reply_control *reply,
 388                                           TALLOC_CTX *mem_ctx,
 389                                           struct ctdb_rec_buffer **recbuf);
 390
 391 void ctdb_req_control_enable_monitor(struct ctdb_req_control *request);
 392 int ctdb_reply_control_enable_monitor(struct ctdb_reply_control *reply);
 393
 394 void ctdb_req_control_disable_monitor(struct ctdb_req_control *request);
 395 int ctdb_reply_control_disable_monitor(struct ctdb_reply_control *reply);
 396
 397 void ctdb_req_control_add_public_ip(struct ctdb_req_control *request,
 398                                     struct ctdb_addr_info *addr_info);
 399 int ctdb_reply_control_add_public_ip(struct ctdb_reply_control *reply);
 400
 401 void ctdb_req_control_del_public_ip(struct ctdb_req_control *request,
 402                                     struct ctdb_addr_info *addr_info);
 403 int ctdb_reply_control_del_public_ip(struct ctdb_reply_control *reply);
 404
 405 void ctdb_req_control_get_capabilities(struct ctdb_req_control *request);
 406 int ctdb_reply_control_get_capabilities(struct ctdb_reply_control *reply,
 407                                         uint32_t *caps);
 408
 409 void ctdb_req_control_recd_ping(struct ctdb_req_control *request);
 410 int ctdb_reply_control_recd_ping(struct ctdb_reply_control *reply);
 411
 412 void ctdb_req_control_release_ip(struct ctdb_req_control *request,
 413                                  struct ctdb_public_ip *pubip);
 414 int ctdb_reply_control_release_ip(struct ctdb_reply_control *reply);
 415
 416 void ctdb_req_control_takeover_ip(struct ctdb_req_control *request,
 417                                   struct ctdb_public_ip *pubip);
 418 int ctdb_reply_control_takeover_ip(struct ctdb_reply_control *reply);
 419
 420 void ctdb_req_control_get_public_ips(struct ctdb_req_control *request,
 421                                      bool available_only);
 422 int ctdb_reply_control_get_public_ips(struct ctdb_reply_control *reply,
 423                                       TALLOC_CTX *mem_ctx,
 424                                       struct ctdb_public_ip_list **pubip_list);
 425
 426 void ctdb_req_control_get_nodemap(struct ctdb_req_control *request);
 427 int ctdb_reply_control_get_nodemap(struct ctdb_reply_control *reply,
 428                                    TALLOC_CTX *mem_ctx,
 429                                    struct ctdb_node_map **nodemap);
 430
 431 void ctdb_req_control_traverse_kill(struct ctdb_req_control *request,
 432                                     struct ctdb_traverse_start *traverse);
 433 int ctdb_reply_control_traverse_kill(struct ctdb_reply_control *reply);
 434
 435 void ctdb_req_control_recd_reclock_latency(struct ctdb_req_control *request,
 436                                            double reclock_latency);
 437 int ctdb_reply_control_recd_reclock_latency(struct ctdb_reply_control *reply);
 438
 439 void ctdb_req_control_get_reclock_file(struct ctdb_req_control *request);
 440 int ctdb_reply_control_get_reclock_file(struct ctdb_reply_control *reply,
 441                                         TALLOC_CTX *mem_ctx,
 442                                         const char **reclock_file);
 443
 444 void ctdb_req_control_stop_node(struct ctdb_req_control *request);
 445 int ctdb_reply_control_stop_node(struct ctdb_reply_control *reply);
 446
 447 void ctdb_req_control_continue_node(struct ctdb_req_control *request);
 448 int ctdb_reply_control_continue_node(struct ctdb_reply_control *reply);
 449
 450 void ctdb_req_control_set_lmasterrole(struct ctdb_req_control *request,
 451                                       uint32_t lmaster_role);
 452 int ctdb_reply_control_set_lmasterrole(struct ctdb_reply_control *reply);
 453
 454 void ctdb_req_control_set_recmasterrole(struct ctdb_req_control *request,
 455                                         uint32_t recmaster_role);
 456 int ctdb_reply_control_set_recmasterrole(struct ctdb_reply_control *reply);
 457
 458 void ctdb_req_control_set_ban_state(struct ctdb_req_control *request,
 459                                     struct ctdb_ban_state *ban_state);
 460 int ctdb_reply_control_set_ban_state(struct ctdb_reply_control *reply);
 461
 462 void ctdb_req_control_get_ban_state(struct ctdb_req_control *request);
 463 int ctdb_reply_control_get_ban_state(struct ctdb_reply_control *reply,
 464                                      TALLOC_CTX *mem_ctx,
 465                                      struct ctdb_ban_state **ban_state);
 466
 467 void ctdb_req_control_register_notify(struct ctdb_req_control *request,
 468                                       struct ctdb_notify_data *notify);
 469 int ctdb_reply_control_register_notify(struct ctdb_reply_control *reply);
 470
 471 void ctdb_req_control_deregister_notify(struct ctdb_req_control *request,
 472                                         uint64_t srvid);
 473 int ctdb_reply_control_deregister_notify(struct ctdb_reply_control *reply);
 474
 475 void ctdb_req_control_trans3_commit(struct ctdb_req_control *request,
 476                                     struct ctdb_rec_buffer *recbuf);
 477 int ctdb_reply_control_trans3_commit(struct ctdb_reply_control *reply);
 478
 479 void ctdb_req_control_get_db_seqnum(struct ctdb_req_control *request,
 480                                     uint32_t db_id);
 481 int ctdb_reply_control_get_db_seqnum(struct ctdb_reply_control *reply,
 482                                      uint64_t *seqnum);
 483
 484 void ctdb_req_control_db_set_healthy(struct ctdb_req_control *request,
 485                                      uint32_t db_id);
 486 int ctdb_reply_control_db_set_healthy(struct ctdb_reply_control *reply);
 487
 488 void ctdb_req_control_db_get_health(struct ctdb_req_control *request,
 489                                     uint32_t db_id);
 490 int ctdb_reply_control_db_get_health(struct ctdb_reply_control *reply,
 491                                      TALLOC_CTX *mem_ctx,
 492                                      const char **reason);
 493
 494 void ctdb_req_control_get_public_ip_info(struct ctdb_req_control *request,
 495                                          ctdb_sock_addr *addr);
 496 int ctdb_reply_control_get_public_ip_info(struct ctdb_reply_control *reply,
 497                                           TALLOC_CTX *mem_ctx,
 498                                           struct ctdb_public_ip_info **ipinfo);
 499
 500 void ctdb_req_control_get_ifaces(struct ctdb_req_control *request);
 501 int ctdb_reply_control_get_ifaces(struct ctdb_reply_control *reply,
 502                                   TALLOC_CTX *mem_ctx,
 503                                   struct ctdb_iface_list **iface_list);
 504
 505 void ctdb_req_control_set_iface_link_state(struct ctdb_req_control *request,
 506                                            struct ctdb_iface *iface);
 507 int ctdb_reply_control_set_iface_link_state(struct ctdb_reply_control *reply);
 508
 509 void ctdb_req_control_tcp_add_delayed_update(struct ctdb_req_control *request,
 510                                              struct ctdb_connection *conn);
 511 int ctdb_reply_control_tcp_add_delayed_update(struct ctdb_reply_control *reply);
 512
 513 void ctdb_req_control_get_stat_history(struct ctdb_req_control *request);
 514 int ctdb_reply_control_get_stat_history(struct ctdb_reply_control *reply,
 515                                         TALLOC_CTX *mem_ctx,
 516                                         struct ctdb_statistics_list **stats_list);
 517
 518 void ctdb_req_control_schedule_for_deletion(struct ctdb_req_control *request,
 519                                             struct ctdb_key_data *key);
 520 int ctdb_reply_control_schedule_for_deletion(struct ctdb_reply_control *reply);
 521
 522 void ctdb_req_control_set_db_readonly(struct ctdb_req_control *request,
 523                                       uint32_t db_id);
 524 int ctdb_reply_control_set_db_readonly(struct ctdb_reply_control *reply);
 525
 526 void ctdb_req_control_traverse_start_ext(struct ctdb_req_control *request,
 527                                          struct ctdb_traverse_start_ext *traverse);
 528 int ctdb_reply_control_traverse_start_ext(struct ctdb_reply_control *reply);
 529
 530 void ctdb_req_control_get_db_statistics(struct ctdb_req_control *request,
 531                                         uint32_t db_id);
 532 int ctdb_reply_control_get_db_statistics(struct ctdb_reply_control *reply,
 533                                          TALLOC_CTX *mem_ctx,
 534                                          struct ctdb_db_statistics **dbstats);
 535
 536 void ctdb_req_control_set_db_sticky(struct ctdb_req_control *request,
 537                                     uint32_t db_id);
 538 int ctdb_reply_control_set_db_sticky(struct ctdb_reply_control *reply);
 539
 540 void ctdb_req_control_reload_public_ips(struct ctdb_req_control *request);
 541 int ctdb_reply_control_reload_public_ips(struct ctdb_reply_control *reply);
 542
 543 void ctdb_req_control_receive_records(struct ctdb_req_control *request,
 544                                       struct ctdb_rec_buffer *recbuf);
 545 int ctdb_reply_control_receive_records(struct ctdb_reply_control *reply,
 546                                        TALLOC_CTX *mem_ctx,
 547                                        struct ctdb_rec_buffer **recbuf);
 548
 549 void ctdb_req_control_ipreallocated(struct ctdb_req_control *request);
 550 int ctdb_reply_control_ipreallocated(struct ctdb_reply_control *reply);
 551
 552 void ctdb_req_control_get_runstate(struct ctdb_req_control *request);
 553 int ctdb_reply_control_get_runstate(struct ctdb_reply_control *reply,
 554                                     enum ctdb_runstate *runstate);
 555
 556 void ctdb_req_control_db_detach(struct ctdb_req_control *request,
 557                                 uint32_t db_id);
 558 int ctdb_reply_control_db_detach(struct ctdb_reply_control *reply);
 559
 560 void ctdb_req_control_get_nodes_file(struct ctdb_req_control *request);
 561 int ctdb_reply_control_get_nodes_file(struct ctdb_reply_control *reply,
 562                                       TALLOC_CTX *mem_ctx,
 563                                       struct ctdb_node_map **nodemap);
 564
 565 void ctdb_req_control_db_freeze(struct ctdb_req_control *request,
 566                                 uint32_t db_id);
 567 int ctdb_reply_control_db_freeze(struct ctdb_reply_control *reply);
 568
 569 void ctdb_req_control_db_thaw(struct ctdb_req_control *request,
 570                               uint32_t db_id);
 571 int ctdb_reply_control_db_thaw(struct ctdb_reply_control *reply);
 572
 573 void ctdb_req_control_db_transaction_start(struct ctdb_req_control *request,
 574                                            struct ctdb_transdb *transdb);
 575 int ctdb_reply_control_db_transaction_start(struct ctdb_reply_control *reply);
 576
 577 void ctdb_req_control_db_transaction_commit(struct ctdb_req_control *request,
 578                                             struct ctdb_transdb *transdb);
 579 int ctdb_reply_control_db_transaction_commit(struct ctdb_reply_control *reply);
 580
 581 void ctdb_req_control_db_transaction_cancel(struct ctdb_req_control *request,
 582                                             uint32_t db_id);
 583 int ctdb_reply_control_db_transaction_cancel(struct ctdb_reply_control *reply);
 584
 585 void ctdb_req_control_db_pull(struct ctdb_req_control *request,
 586                               struct ctdb_pulldb_ext *pulldb_ext);
 587 int ctdb_reply_control_db_pull(struct ctdb_reply_control *reply,
 588                                uint32_t *num_records);
 589
 590 void ctdb_req_control_db_push_start(struct ctdb_req_control *request,
 591                                     struct ctdb_pulldb_ext *pulldb_ext);
 592 int ctdb_reply_control_db_push_start(struct ctdb_reply_control *reply);
 593
 594 void ctdb_req_control_db_push_confirm(struct ctdb_req_control *request,
 595                                       uint32_t db_id);
 596 int ctdb_reply_control_db_push_confirm(struct ctdb_reply_control *reply,
 597                                        uint32_t *num_records);
 598
 599 void ctdb_req_control_db_open_flags(struct ctdb_req_control *request,
 600                                     uint32_t db_id);
 601 int ctdb_reply_control_db_open_flags(struct ctdb_reply_control *reply,
 602                                      int *tdb_flags);
 603
 604 void ctdb_req_control_db_attach_replicated(struct ctdb_req_control *request,
 605                                            const char *db_name);
 606 int ctdb_reply_control_db_attach_replicated(struct ctdb_reply_control *reply,
 607                                             uint32_t *db_id);
 608
 609 /* From protocol/protocol_debug.c */
 610
 611 void ctdb_packet_print(uint8_t *buf, size_t buflen, FILE *fp);
 612
 613 /* From protocol/protocol_message.c */
 614
 615 size_t ctdb_req_message_len(struct ctdb_req_header *h,
 616                             struct ctdb_req_message *c);
 617
 618 int ctdb_req_message_push(struct ctdb_req_header *h,
 619                           struct ctdb_req_message *c,
 620                           uint8_t *buf, size_t *buflen);
 621
 622 int ctdb_req_message_pull(uint8_t *buf, size_t buflen,
 623                           struct ctdb_req_header *h,
 624                           TALLOC_CTX *mem_ctx,
 625                           struct ctdb_req_message *c);
 626
 627 size_t ctdb_req_message_data_len(struct ctdb_req_header *h,
 628                                  struct ctdb_req_message_data *c);
 629
 630 int ctdb_req_message_data_push(struct ctdb_req_header *h,
 631                                struct ctdb_req_message_data *c,
 632                                uint8_t *buf, size_t *buflen);
 633
 634 int ctdb_req_message_data_pull(uint8_t *buf, size_t buflen,
 635                                struct ctdb_req_header *h,
 636                                TALLOC_CTX *mem_ctx,
 637                                struct ctdb_req_message_data *c);
 638
 639 /* From protocol/protocol_keepalive.c */
 640
 641 size_t ctdb_req_keepalive_len(struct ctdb_req_header *h,
 642                               struct ctdb_req_keepalive *c);
 643
 644 int ctdb_req_keepalive_push(struct ctdb_req_header *h,
 645                             struct ctdb_req_keepalive *c,
 646                             uint8_t *buf, size_t *buflen);
 647
 648 int ctdb_req_keepalive_pull(uint8_t *buf, size_t buflen,
 649                             struct ctdb_req_header *h,
 650                             TALLOC_CTX *mem_ctx,
 651                             struct ctdb_req_keepalive *c);
 652
 653 /* From protocol/protocol_event.c */
 654
 655 void ctdb_event_header_fill(struct ctdb_event_header *h, uint32_t reqid);
 656
 657 size_t ctdb_event_request_len(struct ctdb_event_request *in);
 658
 659 int ctdb_event_request_push(struct ctdb_event_request *in,
 660                             uint8_t *buf, size_t *buflen);
 661
 662 int ctdb_event_request_pull(uint8_t *buf, size_t buflen,
 663                             TALLOC_CTX *mem_ctx,
 664                             struct ctdb_event_request *out);
 665
 666 size_t ctdb_event_reply_len(struct ctdb_event_reply *in);
 667
 668 int ctdb_event_reply_push(struct ctdb_event_reply *in,
 669                           uint8_t *buf, size_t *buflen);
 670
 671 int ctdb_event_reply_pull(uint8_t *buf, size_t buflen,
 672                           TALLOC_CTX *mem_ctx,
 673                           struct ctdb_event_reply *out);
 674
 675 /* From protocol/protocol_packet.c */
 676
 677 int ctdb_allocate_pkt(TALLOC_CTX *mem_ctx, size_t datalen,
 678                       uint8_t **buf, size_t *buflen);
 679
 680 /* From protocol/protocol_sock.c */
 681
 682 size_t sock_packet_header_len(struct sock_packet_header *in);
 683 void sock_packet_header_push(struct sock_packet_header *in, uint8_t *buf,
 684                              size_t *npush);
 685 int sock_packet_header_pull(uint8_t *buf, size_t buflen,
 686                             struct sock_packet_header *out, size_t *npull);
 687
 688 void sock_packet_header_set_reqid(struct sock_packet_header *h,
 689                                   uint32_t reqid);
 690 void sock_packet_header_set_length(struct sock_packet_header *h,
 691                                    uint32_t length);
 692
 693 /* From protocol/protocol_util.c */
 694
 695 const char *ctdb_runstate_to_string(enum ctdb_runstate runstate);
 696 enum ctdb_runstate ctdb_runstate_from_string(const char *runstate_str);
 697
 698 const char *ctdb_event_to_string(enum ctdb_event event);
 699 enum ctdb_event ctdb_event_from_string(const char *event_str);
 700
 701 const char *ctdb_sock_addr_to_string(TALLOC_CTX *mem_ctx, ctdb_sock_addr *addr);
 702 int ctdb_sock_addr_cmp_ip(const ctdb_sock_addr *addr1,
 703                           const ctdb_sock_addr *addr2);
 704 int ctdb_sock_addr_cmp(const ctdb_sock_addr *addr1,
 705                        const ctdb_sock_addr *addr2);
 706 bool ctdb_sock_addr_same_ip(const ctdb_sock_addr *addr1,
 707                             const ctdb_sock_addr *addr2);
 708 bool ctdb_sock_addr_same(const ctdb_sock_addr *addr1,
 709                          const ctdb_sock_addr *addr2);
 710
 711 #endif /* __CTDB_PROTOCOL_API_H__ */