ctdb/protocol/protocol_control.c

   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 #include "replace.h"
  21 #include "system/network.h"
  22
  23 #include <talloc.h>
  24 #include <tdb.h>
  25
  26 #include "protocol.h"
  27 #include "protocol_api.h"
  28 #include "protocol_private.h"
  29
  30 struct ctdb_req_control_wire {
  31         struct ctdb_req_header hdr;
  32         uint32_t opcode;
  33         uint32_t pad;
  34         uint64_t srvid;
  35         uint32_t client_id;
  36         uint32_t flags;
  37         uint32_t datalen;
  38         uint8_t data[1];
  39 };
  40
  41 struct ctdb_reply_control_wire {
  42         struct ctdb_req_header hdr;
  43         int32_t status;
  44         uint32_t datalen;
  45         uint32_t errorlen;
  46         uint8_t data[1];
  47 };
  48
  49 static size_t ctdb_req_control_data_len(struct ctdb_req_control_data *cd)
  50 {
  51         size_t len = 0;
  52         uint32_t u32;
  53
  54         if (cd == NULL) {
  55                 return 0;
  56         }
  57
  58         switch (cd->opcode) {
  59         case CTDB_CONTROL_PROCESS_EXISTS:
  60                 len = ctdb_pid_len(cd->data.pid);
  61                 break;
  62
  63         case CTDB_CONTROL_STATISTICS:
  64                 break;
  65
  66         case CTDB_CONTROL_PING:
  67                 break;
  68
  69         case CTDB_CONTROL_GETDBPATH:
  70                 len = ctdb_uint32_len(&cd->data.db_id);
  71                 break;
  72
  73         case CTDB_CONTROL_GETVNNMAP:
  74                 break;
  75
  76         case CTDB_CONTROL_SETVNNMAP:
  77                 len = ctdb_vnn_map_len(cd->data.vnnmap);
  78                 break;
  79
  80         case CTDB_CONTROL_GET_DEBUG:
  81                 break;
  82
  83         case CTDB_CONTROL_SET_DEBUG:
  84                 len = ctdb_uint32_len(&cd->data.loglevel);
  85                 break;
  86
  87         case CTDB_CONTROL_GET_DBMAP:
  88                 break;
  89
  90         case CTDB_CONTROL_PULL_DB:
  91                 len = ctdb_pulldb_len(cd->data.pulldb);
  92                 break;
  93
  94         case CTDB_CONTROL_PUSH_DB:
  95                 len = ctdb_rec_buffer_len(cd->data.recbuf);
  96                 break;
  97
  98         case CTDB_CONTROL_GET_RECMODE:
  99                 break;
 100
 101         case CTDB_CONTROL_SET_RECMODE:
 102                 len = ctdb_uint32_len(&cd->data.recmode);
 103                 break;
 104
 105         case CTDB_CONTROL_STATISTICS_RESET:
 106                 break;
 107
 108         case CTDB_CONTROL_DB_ATTACH:
 109                 len = ctdb_string_len(&cd->data.db_name);
 110                 break;
 111
 112         case CTDB_CONTROL_SET_CALL:
 113                 break;
 114
 115         case CTDB_CONTROL_TRAVERSE_START:
 116                 len = ctdb_traverse_start_len(cd->data.traverse_start);
 117                 break;
 118
 119         case CTDB_CONTROL_TRAVERSE_ALL:
 120                 len = ctdb_traverse_all_len(cd->data.traverse_all);
 121                 break;
 122
 123         case CTDB_CONTROL_TRAVERSE_DATA:
 124                 len = ctdb_rec_data_len(cd->data.rec_data);
 125                 break;
 126
 127         case CTDB_CONTROL_REGISTER_SRVID:
 128                 break;
 129
 130         case CTDB_CONTROL_DEREGISTER_SRVID:
 131                 break;
 132
 133         case CTDB_CONTROL_GET_DBNAME:
 134                 len = ctdb_uint32_len(&cd->data.db_id);
 135                 break;
 136
 137         case CTDB_CONTROL_ENABLE_SEQNUM:
 138                 len = ctdb_uint32_len(&cd->data.db_id);
 139                 break;
 140
 141         case CTDB_CONTROL_UPDATE_SEQNUM:
 142                 len = ctdb_uint32_len(&cd->data.db_id);
 143                 break;
 144
 145         case CTDB_CONTROL_DUMP_MEMORY:
 146                 break;
 147
 148         case CTDB_CONTROL_GET_PID:
 149                 break;
 150
 151         case CTDB_CONTROL_GET_RECMASTER:
 152                 break;
 153
 154         case CTDB_CONTROL_SET_RECMASTER:
 155                 len = ctdb_uint32_len(&cd->data.recmaster);
 156                 break;
 157
 158         case CTDB_CONTROL_FREEZE:
 159                 break;
 160
 161         case CTDB_CONTROL_GET_PNN:
 162                 break;
 163
 164         case CTDB_CONTROL_SHUTDOWN:
 165                 break;
 166
 167         case CTDB_CONTROL_GET_MONMODE:
 168                 break;
 169
 170         case CTDB_CONTROL_TCP_CLIENT:
 171                 len = ctdb_connection_len(cd->data.conn);
 172                 break;
 173
 174         case CTDB_CONTROL_TCP_ADD:
 175                 len = ctdb_connection_len(cd->data.conn);
 176                 break;
 177
 178         case CTDB_CONTROL_TCP_REMOVE:
 179                 len = ctdb_connection_len(cd->data.conn);
 180                 break;
 181
 182         case CTDB_CONTROL_STARTUP:
 183                 break;
 184
 185         case CTDB_CONTROL_SET_TUNABLE:
 186                 len = ctdb_tunable_len(cd->data.tunable);
 187                 break;
 188
 189         case CTDB_CONTROL_GET_TUNABLE:
 190                 len = ctdb_stringn_len(cd->data.tun_var);
 191                 break;
 192
 193         case CTDB_CONTROL_LIST_TUNABLES:
 194                 break;
 195
 196         case CTDB_CONTROL_MODIFY_FLAGS:
 197                 len = ctdb_node_flag_change_len(cd->data.flag_change);
 198                 break;
 199
 200         case CTDB_CONTROL_GET_ALL_TUNABLES:
 201                 break;
 202
 203         case CTDB_CONTROL_GET_TCP_TICKLE_LIST:
 204                 len = ctdb_sock_addr_len(cd->data.addr);
 205                 break;
 206
 207         case CTDB_CONTROL_SET_TCP_TICKLE_LIST:
 208                 len = ctdb_tickle_list_len(cd->data.tickles);
 209                 break;
 210
 211         case CTDB_CONTROL_DB_ATTACH_PERSISTENT:
 212                 len = ctdb_string_len(&cd->data.db_name);
 213                 break;
 214
 215         case CTDB_CONTROL_UPDATE_RECORD:
 216                 len = ctdb_rec_buffer_len(cd->data.recbuf);
 217                 break;
 218
 219         case CTDB_CONTROL_SEND_GRATUITOUS_ARP:
 220                 len = ctdb_addr_info_len(cd->data.addr_info);
 221                 break;
 222
 223         case CTDB_CONTROL_WIPE_DATABASE:
 224                 len = ctdb_transdb_len(cd->data.transdb);
 225                 break;
 226
 227         case CTDB_CONTROL_UPTIME:
 228                 break;
 229
 230         case CTDB_CONTROL_START_RECOVERY:
 231                 break;
 232
 233         case CTDB_CONTROL_END_RECOVERY:
 234                 break;
 235
 236         case CTDB_CONTROL_RELOAD_NODES_FILE:
 237                 break;
 238
 239         case CTDB_CONTROL_TRY_DELETE_RECORDS:
 240                 len = ctdb_rec_buffer_len(cd->data.recbuf);
 241                 break;
 242
 243         case CTDB_CONTROL_ENABLE_MONITOR:
 244                 break;
 245
 246         case CTDB_CONTROL_DISABLE_MONITOR:
 247                 break;
 248
 249         case CTDB_CONTROL_ADD_PUBLIC_IP:
 250                 len = ctdb_addr_info_len(cd->data.addr_info);
 251                 break;
 252
 253         case CTDB_CONTROL_DEL_PUBLIC_IP:
 254                 len = ctdb_addr_info_len(cd->data.addr_info);
 255                 break;
 256
 257         case CTDB_CONTROL_GET_CAPABILITIES:
 258                 break;
 259
 260         case CTDB_CONTROL_RECD_PING:
 261                 break;
 262
 263         case CTDB_CONTROL_RELEASE_IP:
 264                 len = ctdb_public_ip_len(cd->data.pubip);
 265                 break;
 266
 267         case CTDB_CONTROL_TAKEOVER_IP:
 268                 len = ctdb_public_ip_len(cd->data.pubip);
 269                 break;
 270
 271         case CTDB_CONTROL_GET_PUBLIC_IPS:
 272                 break;
 273
 274         case CTDB_CONTROL_GET_NODEMAP:
 275                 break;
 276
 277         case CTDB_CONTROL_TRAVERSE_KILL:
 278                 len = ctdb_traverse_start_len(cd->data.traverse_start);
 279                 break;
 280
 281         case CTDB_CONTROL_RECD_RECLOCK_LATENCY:
 282                 len = ctdb_double_len(&cd->data.reclock_latency);
 283                 break;
 284
 285         case CTDB_CONTROL_GET_RECLOCK_FILE:
 286                 break;
 287
 288         case CTDB_CONTROL_STOP_NODE:
 289                 break;
 290
 291         case CTDB_CONTROL_CONTINUE_NODE:
 292                 break;
 293
 294         case CTDB_CONTROL_SET_LMASTERROLE:
 295                 len = ctdb_uint32_len(&cd->data.role);
 296                 break;
 297
 298         case CTDB_CONTROL_SET_RECMASTERROLE:
 299                 len = ctdb_uint32_len(&cd->data.role);
 300                 break;
 301
 302         case CTDB_CONTROL_SET_BAN_STATE:
 303                 len = ctdb_ban_state_len(cd->data.ban_state);
 304                 break;
 305
 306         case CTDB_CONTROL_GET_BAN_STATE:
 307                 break;
 308
 309         case CTDB_CONTROL_REGISTER_NOTIFY:
 310                 len = ctdb_notify_data_len(cd->data.notify);
 311                 break;
 312
 313         case CTDB_CONTROL_DEREGISTER_NOTIFY:
 314                 len = ctdb_uint64_len(&cd->data.srvid);
 315                 break;
 316
 317         case CTDB_CONTROL_TRANS3_COMMIT:
 318                 len = ctdb_rec_buffer_len(cd->data.recbuf);
 319                 break;
 320
 321         case CTDB_CONTROL_GET_DB_SEQNUM:
 322                 u32 = 0;
 323                 len = ctdb_uint32_len(&cd->data.db_id) + ctdb_uint32_len(&u32);
 324                 break;
 325
 326         case CTDB_CONTROL_DB_SET_HEALTHY:
 327                 len = ctdb_uint32_len(&cd->data.db_id);
 328                 break;
 329
 330         case CTDB_CONTROL_DB_GET_HEALTH:
 331                 len = ctdb_uint32_len(&cd->data.db_id);
 332                 break;
 333
 334         case CTDB_CONTROL_GET_PUBLIC_IP_INFO:
 335                 len = ctdb_sock_addr_len(cd->data.addr);
 336                 break;
 337
 338         case CTDB_CONTROL_GET_IFACES:
 339                 break;
 340
 341         case CTDB_CONTROL_SET_IFACE_LINK_STATE:
 342                 len = ctdb_iface_len(cd->data.iface);
 343                 break;
 344
 345         case CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE:
 346                 len = ctdb_connection_len(cd->data.conn);
 347                 break;
 348
 349         case CTDB_CONTROL_GET_STAT_HISTORY:
 350                 break;
 351
 352         case CTDB_CONTROL_SCHEDULE_FOR_DELETION:
 353                 len = ctdb_key_data_len(cd->data.key);
 354                 break;
 355
 356         case CTDB_CONTROL_SET_DB_READONLY:
 357                 len = ctdb_uint32_len(&cd->data.db_id);
 358                 break;
 359
 360         case CTDB_CONTROL_CHECK_SRVIDS:
 361                 break;
 362
 363         case CTDB_CONTROL_TRAVERSE_START_EXT:
 364                 len = ctdb_traverse_start_ext_len(cd->data.traverse_start_ext);
 365                 break;
 366
 367         case CTDB_CONTROL_GET_DB_STATISTICS:
 368                 len = ctdb_uint32_len(&cd->data.db_id);
 369                 break;
 370
 371         case CTDB_CONTROL_SET_DB_STICKY:
 372                 len = ctdb_uint32_len(&cd->data.db_id);
 373                 break;
 374
 375         case CTDB_CONTROL_RELOAD_PUBLIC_IPS:
 376                 break;
 377
 378         case CTDB_CONTROL_TRAVERSE_ALL_EXT:
 379                 len = ctdb_traverse_all_ext_len(cd->data.traverse_all_ext);
 380                 break;
 381
 382         case CTDB_CONTROL_RECEIVE_RECORDS:
 383                 len = ctdb_rec_buffer_len(cd->data.recbuf);
 384                 break;
 385
 386         case CTDB_CONTROL_IPREALLOCATED:
 387                 break;
 388
 389         case CTDB_CONTROL_GET_RUNSTATE:
 390                 break;
 391
 392         case CTDB_CONTROL_DB_DETACH:
 393                 len = ctdb_uint32_len(&cd->data.db_id);
 394                 break;
 395
 396         case CTDB_CONTROL_GET_NODES_FILE:
 397                 break;
 398
 399         case CTDB_CONTROL_DB_FREEZE:
 400                 len = ctdb_uint32_len(&cd->data.db_id);
 401                 break;
 402
 403         case CTDB_CONTROL_DB_THAW:
 404                 len = ctdb_uint32_len(&cd->data.db_id);
 405                 break;
 406
 407         case CTDB_CONTROL_DB_TRANSACTION_START:
 408                 len = ctdb_transdb_len(cd->data.transdb);
 409                 break;
 410
 411         case CTDB_CONTROL_DB_TRANSACTION_COMMIT:
 412                 len = ctdb_transdb_len(cd->data.transdb);
 413                 break;
 414
 415         case CTDB_CONTROL_DB_TRANSACTION_CANCEL:
 416                 len = ctdb_uint32_len(&cd->data.db_id);
 417                 break;
 418
 419         case CTDB_CONTROL_DB_PULL:
 420                 len = ctdb_pulldb_ext_len(cd->data.pulldb_ext);
 421                 break;
 422
 423         case CTDB_CONTROL_DB_PUSH_START:
 424                 len = ctdb_pulldb_ext_len(cd->data.pulldb_ext);
 425                 break;
 426
 427         case CTDB_CONTROL_DB_PUSH_CONFIRM:
 428                 len = ctdb_uint32_len(&cd->data.db_id);
 429                 break;
 430
 431         case CTDB_CONTROL_DB_OPEN_FLAGS:
 432                 len = ctdb_uint32_len(&cd->data.db_id);
 433                 break;
 434
 435         case CTDB_CONTROL_DB_ATTACH_REPLICATED:
 436                 len = ctdb_string_len(&cd->data.db_name);
 437                 break;
 438         }
 439
 440         return len;
 441 }
 442
 443 static void ctdb_req_control_data_push(struct ctdb_req_control_data *cd,
 444                                        uint8_t *buf)
 445 {
 446         size_t np, offset;
 447         uint32_t u32;
 448
 449         switch (cd->opcode) {
 450         case CTDB_CONTROL_PROCESS_EXISTS:
 451                 ctdb_pid_push(cd->data.pid, buf);
 452                 break;
 453
 454         case CTDB_CONTROL_GETDBPATH:
 455                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 456                 break;
 457
 458         case CTDB_CONTROL_SETVNNMAP:
 459                 ctdb_vnn_map_push(cd->data.vnnmap, buf);
 460                 break;
 461
 462         case CTDB_CONTROL_SET_DEBUG:
 463                 ctdb_uint32_push(&cd->data.loglevel, buf, &np);
 464                 break;
 465
 466         case CTDB_CONTROL_PULL_DB:
 467                 ctdb_pulldb_push(cd->data.pulldb, buf);
 468                 break;
 469
 470         case CTDB_CONTROL_PUSH_DB:
 471                 ctdb_rec_buffer_push(cd->data.recbuf, buf);
 472                 break;
 473
 474         case CTDB_CONTROL_SET_RECMODE:
 475                 ctdb_uint32_push(&cd->data.recmode, buf, &np);
 476                 break;
 477
 478         case CTDB_CONTROL_DB_ATTACH:
 479                 ctdb_string_push(&cd->data.db_name, buf, &np);
 480                 break;
 481
 482         case CTDB_CONTROL_SET_CALL:
 483                 break;
 484
 485         case CTDB_CONTROL_TRAVERSE_START:
 486                 ctdb_traverse_start_push(cd->data.traverse_start, buf);
 487                 break;
 488
 489         case CTDB_CONTROL_TRAVERSE_ALL:
 490                 ctdb_traverse_all_push(cd->data.traverse_all, buf);
 491                 break;
 492
 493         case CTDB_CONTROL_TRAVERSE_DATA:
 494                 ctdb_rec_data_push(cd->data.rec_data, buf);
 495                 break;
 496
 497         case CTDB_CONTROL_GET_DBNAME:
 498                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 499                 break;
 500
 501         case CTDB_CONTROL_ENABLE_SEQNUM:
 502                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 503                 break;
 504
 505         case CTDB_CONTROL_UPDATE_SEQNUM:
 506                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 507                 break;
 508
 509         case CTDB_CONTROL_SET_RECMASTER:
 510                 ctdb_uint32_push(&cd->data.recmaster, buf, &np);
 511                 break;
 512
 513         case CTDB_CONTROL_TCP_CLIENT:
 514                 ctdb_connection_push(cd->data.conn, buf);
 515                 break;
 516
 517         case CTDB_CONTROL_TCP_ADD:
 518                 ctdb_connection_push(cd->data.conn, buf);
 519                 break;
 520
 521         case CTDB_CONTROL_TCP_REMOVE:
 522                 ctdb_connection_push(cd->data.conn, buf);
 523                 break;
 524
 525         case CTDB_CONTROL_SET_TUNABLE:
 526                 ctdb_tunable_push(cd->data.tunable, buf);
 527                 break;
 528
 529         case CTDB_CONTROL_GET_TUNABLE:
 530                 ctdb_stringn_push(cd->data.tun_var, buf);
 531                 break;
 532
 533         case CTDB_CONTROL_MODIFY_FLAGS:
 534                 ctdb_node_flag_change_push(cd->data.flag_change, buf);
 535                 break;
 536
 537         case CTDB_CONTROL_GET_TCP_TICKLE_LIST:
 538                 ctdb_sock_addr_push(cd->data.addr, buf);
 539                 break;
 540
 541         case CTDB_CONTROL_SET_TCP_TICKLE_LIST:
 542                 ctdb_tickle_list_push(cd->data.tickles, buf);
 543                 break;
 544
 545         case CTDB_CONTROL_DB_ATTACH_PERSISTENT:
 546                 ctdb_string_push(&cd->data.db_name, buf, &np);
 547                 break;
 548
 549         case CTDB_CONTROL_UPDATE_RECORD:
 550                 ctdb_rec_buffer_push(cd->data.recbuf, buf);
 551                 break;
 552
 553         case CTDB_CONTROL_SEND_GRATUITOUS_ARP:
 554                 ctdb_addr_info_push(cd->data.addr_info, buf);
 555                 break;
 556
 557         case CTDB_CONTROL_WIPE_DATABASE:
 558                 ctdb_transdb_push(cd->data.transdb, buf);
 559                 break;
 560
 561         case CTDB_CONTROL_TRY_DELETE_RECORDS:
 562                 ctdb_rec_buffer_push(cd->data.recbuf, buf);
 563                 break;
 564
 565         case CTDB_CONTROL_ADD_PUBLIC_IP:
 566                 ctdb_addr_info_push(cd->data.addr_info, buf);
 567                 break;
 568
 569         case CTDB_CONTROL_DEL_PUBLIC_IP:
 570                 ctdb_addr_info_push(cd->data.addr_info, buf);
 571                 break;
 572
 573         case CTDB_CONTROL_RELEASE_IP:
 574                 ctdb_public_ip_push(cd->data.pubip, buf);
 575                 break;
 576
 577         case CTDB_CONTROL_TAKEOVER_IP:
 578                 ctdb_public_ip_push(cd->data.pubip, buf);
 579                 break;
 580
 581         case CTDB_CONTROL_TRAVERSE_KILL:
 582                 ctdb_traverse_start_push(cd->data.traverse_start, buf);
 583                 break;
 584
 585         case CTDB_CONTROL_RECD_RECLOCK_LATENCY:
 586                 ctdb_double_push(&cd->data.reclock_latency, buf, &np);
 587                 break;
 588
 589         case CTDB_CONTROL_SET_LMASTERROLE:
 590                 ctdb_uint32_push(&cd->data.role, buf, &np);
 591                 break;
 592
 593         case CTDB_CONTROL_SET_RECMASTERROLE:
 594                 ctdb_uint32_push(&cd->data.role, buf, &np);
 595                 break;
 596
 597         case CTDB_CONTROL_SET_BAN_STATE:
 598                 ctdb_ban_state_push(cd->data.ban_state, buf);
 599                 break;
 600
 601         case CTDB_CONTROL_REGISTER_NOTIFY:
 602                 ctdb_notify_data_push(cd->data.notify, buf);
 603                 break;
 604
 605         case CTDB_CONTROL_DEREGISTER_NOTIFY:
 606                 ctdb_uint64_push(&cd->data.srvid, buf, &np);
 607                 break;
 608
 609         case CTDB_CONTROL_TRANS3_COMMIT:
 610                 ctdb_rec_buffer_push(cd->data.recbuf, buf);
 611                 break;
 612
 613         case CTDB_CONTROL_GET_DB_SEQNUM:
 614                 u32 = 0;
 615                 offset = 0;
 616                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 617                 offset += np;
 618                 ctdb_uint32_push(&u32, buf+offset, &np);
 619                 offset += np;
 620                 np = offset;
 621                 break;
 622
 623         case CTDB_CONTROL_DB_SET_HEALTHY:
 624                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 625                 break;
 626
 627         case CTDB_CONTROL_DB_GET_HEALTH:
 628                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 629                 break;
 630
 631         case CTDB_CONTROL_GET_PUBLIC_IP_INFO:
 632                 ctdb_sock_addr_push(cd->data.addr, buf);
 633                 break;
 634
 635         case CTDB_CONTROL_SET_IFACE_LINK_STATE:
 636                 ctdb_iface_push(cd->data.iface, buf);
 637                 break;
 638
 639         case CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE:
 640                 ctdb_connection_push(cd->data.conn, buf);
 641                 break;
 642
 643         case CTDB_CONTROL_SCHEDULE_FOR_DELETION:
 644                 ctdb_key_data_push(cd->data.key, buf);
 645                 break;
 646
 647         case CTDB_CONTROL_SET_DB_READONLY:
 648                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 649                 break;
 650
 651         case CTDB_CONTROL_CHECK_SRVIDS:
 652                 break;
 653
 654         case CTDB_CONTROL_TRAVERSE_START_EXT:
 655                 ctdb_traverse_start_ext_push(cd->data.traverse_start_ext, buf);
 656                 break;
 657
 658         case CTDB_CONTROL_GET_DB_STATISTICS:
 659                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 660                 break;
 661
 662         case CTDB_CONTROL_SET_DB_STICKY:
 663                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 664                 break;
 665
 666         case CTDB_CONTROL_TRAVERSE_ALL_EXT:
 667                 ctdb_traverse_all_ext_push(cd->data.traverse_all_ext, buf);
 668                 break;
 669
 670         case CTDB_CONTROL_RECEIVE_RECORDS:
 671                 ctdb_rec_buffer_push(cd->data.recbuf, buf);
 672                 break;
 673
 674         case CTDB_CONTROL_DB_DETACH:
 675                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 676                 break;
 677
 678         case CTDB_CONTROL_DB_FREEZE:
 679                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 680                 break;
 681
 682         case CTDB_CONTROL_DB_THAW:
 683                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 684                 break;
 685
 686         case CTDB_CONTROL_DB_TRANSACTION_START:
 687                 ctdb_transdb_push(cd->data.transdb, buf);
 688                 break;
 689
 690         case CTDB_CONTROL_DB_TRANSACTION_COMMIT:
 691                 ctdb_transdb_push(cd->data.transdb, buf);
 692                 break;
 693
 694         case CTDB_CONTROL_DB_TRANSACTION_CANCEL:
 695                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 696                 break;
 697
 698         case CTDB_CONTROL_DB_PULL:
 699                 ctdb_pulldb_ext_push(cd->data.pulldb_ext, buf);
 700                 break;
 701
 702         case CTDB_CONTROL_DB_PUSH_START:
 703                 ctdb_pulldb_ext_push(cd->data.pulldb_ext, buf);
 704                 break;
 705
 706         case CTDB_CONTROL_DB_PUSH_CONFIRM:
 707                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 708                 break;
 709
 710         case CTDB_CONTROL_DB_OPEN_FLAGS:
 711                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
 712                 break;
 713
 714         case CTDB_CONTROL_DB_ATTACH_REPLICATED:
 715                 ctdb_string_push(&cd->data.db_name, buf, &np);
 716                 break;
 717         }
 718 }
 719
 720 static int ctdb_req_control_data_pull(uint8_t *buf, size_t buflen,
 721                                       uint32_t opcode,
 722                                       TALLOC_CTX *mem_ctx,
 723                                       struct ctdb_req_control_data *cd)
 724 {
 725         size_t np, offset;
 726         uint32_t u32;
 727         int ret = 0;
 728
 729         cd->opcode = opcode;
 730
 731         switch (opcode) {
 732         case CTDB_CONTROL_PROCESS_EXISTS:
 733                 ret = ctdb_pid_pull(buf, buflen, mem_ctx,
 734                                     &cd->data.pid);
 735                 break;
 736
 737         case CTDB_CONTROL_GETDBPATH:
 738                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 739                 break;
 740
 741         case CTDB_CONTROL_SETVNNMAP:
 742                 ret = ctdb_vnn_map_pull(buf, buflen, mem_ctx,
 743                                         &cd->data.vnnmap);
 744                 break;
 745
 746         case CTDB_CONTROL_SET_DEBUG:
 747                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.loglevel, &np);
 748                 break;
 749
 750         case CTDB_CONTROL_PULL_DB:
 751                 ret = ctdb_pulldb_pull(buf, buflen, mem_ctx,
 752                                        &cd->data.pulldb);
 753                 break;
 754
 755         case CTDB_CONTROL_PUSH_DB:
 756                 ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx,
 757                                            &cd->data.recbuf);
 758                 break;
 759
 760         case CTDB_CONTROL_SET_RECMODE:
 761                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.recmode, &np);
 762                 break;
 763
 764         case CTDB_CONTROL_DB_ATTACH:
 765                 ret = ctdb_string_pull(buf, buflen, mem_ctx,
 766                                        &cd->data.db_name, &np);
 767                 break;
 768
 769         case CTDB_CONTROL_SET_CALL:
 770                 break;
 771
 772         case CTDB_CONTROL_TRAVERSE_START:
 773                 ret = ctdb_traverse_start_pull(buf, buflen, mem_ctx,
 774                                                &cd->data.traverse_start);
 775                 break;
 776
 777         case CTDB_CONTROL_TRAVERSE_ALL:
 778                 ret = ctdb_traverse_all_pull(buf, buflen, mem_ctx,
 779                                              &cd->data.traverse_all);
 780                 break;
 781
 782         case CTDB_CONTROL_TRAVERSE_DATA:
 783                 ret = ctdb_rec_data_pull(buf, buflen, mem_ctx,
 784                                          &cd->data.rec_data);
 785                 break;
 786
 787         case CTDB_CONTROL_GET_DBNAME:
 788                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 789                 break;
 790
 791         case CTDB_CONTROL_ENABLE_SEQNUM:
 792                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 793                 break;
 794
 795         case CTDB_CONTROL_UPDATE_SEQNUM:
 796                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 797                 break;
 798
 799         case CTDB_CONTROL_SET_RECMASTER:
 800                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.recmaster, &np);
 801                 break;
 802
 803         case CTDB_CONTROL_TCP_CLIENT:
 804                 ret = ctdb_connection_pull(buf, buflen, mem_ctx,
 805                                            &cd->data.conn);
 806                 break;
 807
 808         case CTDB_CONTROL_TCP_ADD:
 809                 ret = ctdb_connection_pull(buf, buflen, mem_ctx,
 810                                            &cd->data.conn);
 811                 break;
 812
 813         case CTDB_CONTROL_TCP_REMOVE:
 814                 ret = ctdb_connection_pull(buf, buflen, mem_ctx,
 815                                            &cd->data.conn);
 816                 break;
 817
 818         case CTDB_CONTROL_SET_TUNABLE:
 819                 ret = ctdb_tunable_pull(buf, buflen, mem_ctx,
 820                                         &cd->data.tunable);
 821                 break;
 822
 823         case CTDB_CONTROL_GET_TUNABLE:
 824                 ret = ctdb_stringn_pull(buf, buflen, mem_ctx,
 825                                         &cd->data.tun_var);
 826                 break;
 827
 828         case CTDB_CONTROL_MODIFY_FLAGS:
 829                 ret = ctdb_node_flag_change_pull(buf, buflen, mem_ctx,
 830                                                  &cd->data.flag_change);
 831                 break;
 832
 833         case CTDB_CONTROL_GET_TCP_TICKLE_LIST:
 834                 ret = ctdb_sock_addr_pull(buf, buflen, mem_ctx,
 835                                           &cd->data.addr);
 836                 break;
 837
 838         case CTDB_CONTROL_SET_TCP_TICKLE_LIST:
 839                 ret = ctdb_tickle_list_pull(buf, buflen, mem_ctx,
 840                                             &cd->data.tickles);
 841                 break;
 842
 843         case CTDB_CONTROL_DB_ATTACH_PERSISTENT:
 844                 ret = ctdb_string_pull(buf, buflen, mem_ctx,
 845                                        &cd->data.db_name, &np);
 846                 break;
 847
 848         case CTDB_CONTROL_UPDATE_RECORD:
 849                 ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx,
 850                                            &cd->data.recbuf);
 851                 break;
 852
 853         case CTDB_CONTROL_SEND_GRATUITOUS_ARP:
 854                 ret = ctdb_addr_info_pull(buf, buflen, mem_ctx,
 855                                           &cd->data.addr_info);
 856                 break;
 857
 858         case CTDB_CONTROL_WIPE_DATABASE:
 859                 ret = ctdb_transdb_pull(buf, buflen, mem_ctx,
 860                                        &cd->data.transdb);
 861                 break;
 862
 863         case CTDB_CONTROL_TRY_DELETE_RECORDS:
 864                 ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx,
 865                                            &cd->data.recbuf);
 866                 break;
 867
 868         case CTDB_CONTROL_ADD_PUBLIC_IP:
 869                 ret = ctdb_addr_info_pull(buf, buflen, mem_ctx,
 870                                           &cd->data.addr_info);
 871                 break;
 872
 873         case CTDB_CONTROL_DEL_PUBLIC_IP:
 874                 ret = ctdb_addr_info_pull(buf, buflen, mem_ctx,
 875                                           &cd->data.addr_info);
 876                 break;
 877
 878         case CTDB_CONTROL_RELEASE_IP:
 879                 ret = ctdb_public_ip_pull(buf, buflen, mem_ctx,
 880                                           &cd->data.pubip);
 881                 break;
 882
 883         case CTDB_CONTROL_TAKEOVER_IP:
 884                 ret = ctdb_public_ip_pull(buf, buflen, mem_ctx,
 885                                           &cd->data.pubip);
 886                 break;
 887
 888         case CTDB_CONTROL_TRAVERSE_KILL:
 889                 ret = ctdb_traverse_start_pull(buf, buflen, mem_ctx,
 890                                                &cd->data.traverse_start);
 891                 break;
 892
 893         case CTDB_CONTROL_RECD_RECLOCK_LATENCY:
 894                 ret = ctdb_double_pull(buf, buflen, &cd->data.reclock_latency,
 895                                        &np);
 896                 break;
 897
 898         case CTDB_CONTROL_SET_LMASTERROLE:
 899                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.role, &np);
 900                 break;
 901
 902         case CTDB_CONTROL_SET_RECMASTERROLE:
 903                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.role, &np);
 904                 break;
 905
 906         case CTDB_CONTROL_SET_BAN_STATE:
 907                 ret = ctdb_ban_state_pull(buf, buflen, mem_ctx,
 908                                           &cd->data.ban_state);
 909                 break;
 910
 911         case CTDB_CONTROL_REGISTER_NOTIFY:
 912                 ret = ctdb_notify_data_pull(buf, buflen, mem_ctx,
 913                                             &cd->data.notify);
 914                 break;
 915
 916         case CTDB_CONTROL_DEREGISTER_NOTIFY:
 917                 ctdb_uint64_pull(buf, buflen, &cd->data.srvid, &np);
 918                 break;
 919
 920         case CTDB_CONTROL_TRANS3_COMMIT:
 921                 ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx,
 922                                            &cd->data.recbuf);
 923                 break;
 924
 925         case CTDB_CONTROL_GET_DB_SEQNUM:
 926                 offset = 0;
 927                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 928                 if (ret != 0) {
 929                         break;
 930                 }
 931                 offset += np;
 932                 ret = ctdb_uint32_pull(buf+offset, buflen-offset, &u32, &np);
 933                 offset += np;
 934                 np = offset;
 935                 break;
 936
 937         case CTDB_CONTROL_DB_SET_HEALTHY:
 938                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 939                 break;
 940
 941         case CTDB_CONTROL_DB_GET_HEALTH:
 942                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 943                 break;
 944
 945         case CTDB_CONTROL_GET_PUBLIC_IP_INFO:
 946                 ret = ctdb_sock_addr_pull(buf, buflen, mem_ctx,
 947                                           &cd->data.addr);
 948                 break;
 949
 950         case CTDB_CONTROL_SET_IFACE_LINK_STATE:
 951                 ret = ctdb_iface_pull(buf, buflen, mem_ctx,
 952                                       &cd->data.iface);
 953                 break;
 954
 955         case CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE:
 956                 ret = ctdb_connection_pull(buf, buflen, mem_ctx,
 957                                            &cd->data.conn);
 958                 break;
 959
 960         case CTDB_CONTROL_SCHEDULE_FOR_DELETION:
 961                 ret = ctdb_key_data_pull(buf, buflen, mem_ctx,
 962                                          &cd->data.key);
 963                 break;
 964
 965         case CTDB_CONTROL_SET_DB_READONLY:
 966                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 967                 break;
 968
 969         case CTDB_CONTROL_CHECK_SRVIDS:
 970                 break;
 971
 972         case CTDB_CONTROL_TRAVERSE_START_EXT:
 973                 ret = ctdb_traverse_start_ext_pull(buf, buflen, mem_ctx,
 974                                                    &cd->data.traverse_start_ext);
 975                 break;
 976
 977         case CTDB_CONTROL_GET_DB_STATISTICS:
 978                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 979                 break;
 980
 981         case CTDB_CONTROL_SET_DB_STICKY:
 982                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 983                 break;
 984
 985         case CTDB_CONTROL_TRAVERSE_ALL_EXT:
 986                 ret = ctdb_traverse_all_ext_pull(buf, buflen, mem_ctx,
 987                                                  &cd->data.traverse_all_ext);
 988                 break;
 989
 990         case CTDB_CONTROL_RECEIVE_RECORDS:
 991                 ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx,
 992                                            &cd->data.recbuf);
 993                 break;
 994
 995         case CTDB_CONTROL_DB_DETACH:
 996                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
 997                 break;
 998
 999         case CTDB_CONTROL_DB_FREEZE:
1000                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
1001                 break;
1002
1003         case CTDB_CONTROL_DB_THAW:
1004                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
1005                 break;
1006
1007         case CTDB_CONTROL_DB_TRANSACTION_START:
1008                 ret = ctdb_transdb_pull(buf, buflen, mem_ctx,
1009                                         &cd->data.transdb);
1010                 break;
1011
1012         case CTDB_CONTROL_DB_TRANSACTION_COMMIT:
1013                 ret = ctdb_transdb_pull(buf, buflen, mem_ctx,
1014                                         &cd->data.transdb);
1015                 break;
1016
1017         case CTDB_CONTROL_DB_TRANSACTION_CANCEL:
1018                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
1019                 break;
1020
1021         case CTDB_CONTROL_DB_PULL:
1022                 ret = ctdb_pulldb_ext_pull(buf, buflen, mem_ctx,
1023                                            &cd->data.pulldb_ext);
1024                 break;
1025
1026         case CTDB_CONTROL_DB_PUSH_START:
1027                 ret = ctdb_pulldb_ext_pull(buf, buflen, mem_ctx,
1028                                            &cd->data.pulldb_ext);
1029                 break;
1030
1031         case CTDB_CONTROL_DB_PUSH_CONFIRM:
1032                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
1033                 break;
1034
1035         case CTDB_CONTROL_DB_OPEN_FLAGS:
1036                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
1037                 break;
1038
1039         case CTDB_CONTROL_DB_ATTACH_REPLICATED:
1040                 ret = ctdb_string_pull(buf, buflen, mem_ctx,
1041                                        &cd->data.db_name, &np);
1042                 break;
1043         }
1044
1045         return ret;
1046 }
1047
1048 static size_t ctdb_reply_control_data_len(struct ctdb_reply_control_data *cd)
1049 {
1050         size_t len = 0;
1051
1052         if (cd == NULL) {
1053                 return 0;
1054         }
1055
1056         switch (cd->opcode) {
1057         case CTDB_CONTROL_PROCESS_EXISTS:
1058                 break;
1059
1060         case CTDB_CONTROL_STATISTICS:
1061                 len = ctdb_statistics_len(cd->data.stats);
1062                 break;
1063
1064         case CTDB_CONTROL_PING:
1065                 break;
1066
1067         case CTDB_CONTROL_GETDBPATH:
1068                 len = ctdb_string_len(&cd->data.db_path);
1069                 break;
1070
1071         case CTDB_CONTROL_GETVNNMAP:
1072                 len = ctdb_vnn_map_len(cd->data.vnnmap);
1073                 break;
1074
1075         case CTDB_CONTROL_SETVNNMAP:
1076                 break;
1077
1078         case CTDB_CONTROL_GET_DEBUG:
1079                 len = ctdb_uint32_len(&cd->data.loglevel);
1080                 break;
1081
1082         case CTDB_CONTROL_SET_DEBUG:
1083                 break;
1084
1085         case CTDB_CONTROL_GET_DBMAP:
1086                 len = ctdb_dbid_map_len(cd->data.dbmap);
1087                 break;
1088
1089         case CTDB_CONTROL_PULL_DB:
1090                 len = ctdb_rec_buffer_len(cd->data.recbuf);
1091                 break;
1092
1093         case CTDB_CONTROL_PUSH_DB:
1094                 break;
1095
1096         case CTDB_CONTROL_GET_RECMODE:
1097                 break;
1098
1099         case CTDB_CONTROL_SET_RECMODE:
1100                 break;
1101
1102         case CTDB_CONTROL_STATISTICS_RESET:
1103                 break;
1104
1105         case CTDB_CONTROL_DB_ATTACH:
1106                 len = ctdb_uint32_len(&cd->data.db_id);
1107                 break;
1108
1109         case CTDB_CONTROL_SET_CALL:
1110                 break;
1111
1112         case CTDB_CONTROL_TRAVERSE_START:
1113                 break;
1114
1115         case CTDB_CONTROL_TRAVERSE_ALL:
1116                 break;
1117
1118         case CTDB_CONTROL_TRAVERSE_DATA:
1119                 break;
1120
1121         case CTDB_CONTROL_REGISTER_SRVID:
1122                 break;
1123
1124         case CTDB_CONTROL_DEREGISTER_SRVID:
1125                 break;
1126
1127         case CTDB_CONTROL_GET_DBNAME:
1128                 len = ctdb_string_len(&cd->data.db_name);
1129                 break;
1130
1131         case CTDB_CONTROL_ENABLE_SEQNUM:
1132                 break;
1133
1134         case CTDB_CONTROL_UPDATE_SEQNUM:
1135                 break;
1136
1137         case CTDB_CONTROL_DUMP_MEMORY:
1138                 len = ctdb_string_len(&cd->data.mem_str);
1139                 break;
1140
1141         case CTDB_CONTROL_GET_PID:
1142                 break;
1143
1144         case CTDB_CONTROL_GET_RECMASTER:
1145                 break;
1146
1147         case CTDB_CONTROL_SET_RECMASTER:
1148                 break;
1149
1150         case CTDB_CONTROL_FREEZE:
1151                 break;
1152
1153         case CTDB_CONTROL_GET_PNN:
1154                 break;
1155
1156         case CTDB_CONTROL_SHUTDOWN:
1157                 break;
1158
1159         case CTDB_CONTROL_GET_MONMODE:
1160                 break;
1161
1162         case CTDB_CONTROL_TCP_CLIENT:
1163                 break;
1164
1165         case CTDB_CONTROL_TCP_ADD:
1166                 break;
1167
1168         case CTDB_CONTROL_TCP_REMOVE:
1169                 break;
1170
1171         case CTDB_CONTROL_STARTUP:
1172                 break;
1173
1174         case CTDB_CONTROL_SET_TUNABLE:
1175                 break;
1176
1177         case CTDB_CONTROL_GET_TUNABLE:
1178                 len = ctdb_uint32_len(&cd->data.tun_value);
1179                 break;
1180
1181         case CTDB_CONTROL_LIST_TUNABLES:
1182                 len = ctdb_var_list_len(cd->data.tun_var_list);
1183                 break;
1184
1185         case CTDB_CONTROL_MODIFY_FLAGS:
1186                 break;
1187
1188         case CTDB_CONTROL_GET_ALL_TUNABLES:
1189                 len = ctdb_tunable_list_len(cd->data.tun_list);
1190                 break;
1191
1192         case CTDB_CONTROL_GET_TCP_TICKLE_LIST:
1193                 len = ctdb_tickle_list_len(cd->data.tickles);
1194                 break;
1195
1196         case CTDB_CONTROL_SET_TCP_TICKLE_LIST:
1197                 break;
1198
1199         case CTDB_CONTROL_DB_ATTACH_PERSISTENT:
1200                 len = ctdb_uint32_len(&cd->data.db_id);
1201                 break;
1202
1203         case CTDB_CONTROL_UPDATE_RECORD:
1204                 break;
1205
1206         case CTDB_CONTROL_SEND_GRATUITOUS_ARP:
1207                 break;
1208
1209         case CTDB_CONTROL_WIPE_DATABASE:
1210                 break;
1211
1212         case CTDB_CONTROL_UPTIME:
1213                 len = ctdb_uptime_len(cd->data.uptime);
1214                 break;
1215
1216         case CTDB_CONTROL_START_RECOVERY:
1217                 break;
1218
1219         case CTDB_CONTROL_END_RECOVERY:
1220                 break;
1221
1222         case CTDB_CONTROL_RELOAD_NODES_FILE:
1223                 break;
1224
1225         case CTDB_CONTROL_TRY_DELETE_RECORDS:
1226                 len = ctdb_rec_buffer_len(cd->data.recbuf);
1227                 break;
1228
1229         case CTDB_CONTROL_ENABLE_MONITOR:
1230                 break;
1231
1232         case CTDB_CONTROL_DISABLE_MONITOR:
1233                 break;
1234
1235         case CTDB_CONTROL_ADD_PUBLIC_IP:
1236                 break;
1237
1238         case CTDB_CONTROL_DEL_PUBLIC_IP:
1239                 break;
1240
1241         case CTDB_CONTROL_GET_CAPABILITIES:
1242                 len = ctdb_uint32_len(&cd->data.caps);
1243                 break;
1244
1245         case CTDB_CONTROL_RECD_PING:
1246                 break;
1247
1248         case CTDB_CONTROL_RELEASE_IP:
1249                 break;
1250
1251         case CTDB_CONTROL_TAKEOVER_IP:
1252                 break;
1253
1254         case CTDB_CONTROL_GET_PUBLIC_IPS:
1255                 len = ctdb_public_ip_list_len(cd->data.pubip_list);
1256                 break;
1257
1258         case CTDB_CONTROL_GET_NODEMAP:
1259                 len = ctdb_node_map_len(cd->data.nodemap);
1260                 break;
1261
1262         case CTDB_CONTROL_TRAVERSE_KILL:
1263                 break;
1264
1265         case CTDB_CONTROL_RECD_RECLOCK_LATENCY:
1266                 break;
1267
1268         case CTDB_CONTROL_GET_RECLOCK_FILE:
1269                 len = ctdb_string_len(&cd->data.reclock_file);
1270                 break;
1271
1272         case CTDB_CONTROL_STOP_NODE:
1273                 break;
1274
1275         case CTDB_CONTROL_CONTINUE_NODE:
1276                 break;
1277
1278         case CTDB_CONTROL_SET_LMASTERROLE:
1279                 break;
1280
1281         case CTDB_CONTROL_SET_RECMASTERROLE:
1282                 break;
1283
1284         case CTDB_CONTROL_SET_BAN_STATE:
1285                 break;
1286
1287         case CTDB_CONTROL_GET_BAN_STATE:
1288                 len = ctdb_ban_state_len(cd->data.ban_state);
1289                 break;
1290
1291         case CTDB_CONTROL_SET_DB_PRIORITY:
1292                 break;
1293
1294         case CTDB_CONTROL_GET_DB_PRIORITY:
1295                 break;
1296
1297         case CTDB_CONTROL_REGISTER_NOTIFY:
1298                 break;
1299
1300         case CTDB_CONTROL_DEREGISTER_NOTIFY:
1301                 break;
1302
1303         case CTDB_CONTROL_TRANS3_COMMIT:
1304                 break;
1305
1306         case CTDB_CONTROL_GET_DB_SEQNUM:
1307                 len = ctdb_uint64_len(&cd->data.seqnum);
1308                 break;
1309
1310         case CTDB_CONTROL_DB_SET_HEALTHY:
1311                 break;
1312
1313         case CTDB_CONTROL_DB_GET_HEALTH:
1314                 len = ctdb_string_len(&cd->data.reason);
1315                 break;
1316
1317         case CTDB_CONTROL_GET_PUBLIC_IP_INFO:
1318                 len = ctdb_public_ip_info_len(cd->data.ipinfo);
1319                 break;
1320
1321         case CTDB_CONTROL_GET_IFACES:
1322                 len = ctdb_iface_list_len(cd->data.iface_list);
1323                 break;
1324
1325         case CTDB_CONTROL_SET_IFACE_LINK_STATE:
1326                 break;
1327
1328         case CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE:
1329                 break;
1330
1331         case CTDB_CONTROL_GET_STAT_HISTORY:
1332                 len = ctdb_statistics_list_len(cd->data.stats_list);
1333                 break;
1334
1335         case CTDB_CONTROL_SCHEDULE_FOR_DELETION:
1336                 break;
1337
1338         case CTDB_CONTROL_SET_DB_READONLY:
1339                 break;
1340
1341         case CTDB_CONTROL_CHECK_SRVIDS:
1342                 break;
1343
1344         case CTDB_CONTROL_TRAVERSE_START_EXT:
1345                 break;
1346
1347         case CTDB_CONTROL_GET_DB_STATISTICS:
1348                 len = ctdb_db_statistics_len(cd->data.dbstats);
1349                 break;
1350
1351         case CTDB_CONTROL_SET_DB_STICKY:
1352                 break;
1353
1354         case CTDB_CONTROL_RELOAD_PUBLIC_IPS:
1355                 break;
1356
1357         case CTDB_CONTROL_TRAVERSE_ALL_EXT:
1358                 break;
1359
1360         case CTDB_CONTROL_RECEIVE_RECORDS:
1361                 len = ctdb_rec_buffer_len(cd->data.recbuf);
1362                 break;
1363
1364         case CTDB_CONTROL_IPREALLOCATED:
1365                 break;
1366
1367         case CTDB_CONTROL_GET_RUNSTATE:
1368                 len = ctdb_uint32_len(&cd->data.runstate);
1369                 break;
1370
1371         case CTDB_CONTROL_DB_DETACH:
1372                 break;
1373
1374         case CTDB_CONTROL_GET_NODES_FILE:
1375                 len = ctdb_node_map_len(cd->data.nodemap);
1376                 break;
1377
1378         case CTDB_CONTROL_DB_FREEZE:
1379                 break;
1380
1381         case CTDB_CONTROL_DB_THAW:
1382                 break;
1383
1384         case CTDB_CONTROL_DB_TRANSACTION_START:
1385                 break;
1386
1387         case CTDB_CONTROL_DB_TRANSACTION_COMMIT:
1388                 break;
1389
1390         case CTDB_CONTROL_DB_TRANSACTION_CANCEL:
1391                 break;
1392
1393         case CTDB_CONTROL_DB_PULL:
1394                 len = ctdb_uint32_len(&cd->data.num_records);
1395                 break;
1396
1397         case CTDB_CONTROL_DB_PUSH_START:
1398                 break;
1399
1400         case CTDB_CONTROL_DB_PUSH_CONFIRM:
1401                 len = ctdb_uint32_len(&cd->data.num_records);
1402                 break;
1403
1404         case CTDB_CONTROL_DB_OPEN_FLAGS:
1405                 len = ctdb_int32_len(&cd->data.tdb_flags);
1406                 break;
1407
1408         case CTDB_CONTROL_DB_ATTACH_REPLICATED:
1409                 len = ctdb_uint32_len(&cd->data.db_id);
1410                 break;
1411         }
1412
1413         return len;
1414 }
1415
1416 static void ctdb_reply_control_data_push(struct ctdb_reply_control_data *cd,
1417                                          uint8_t *buf)
1418 {
1419         size_t np;
1420
1421         switch (cd->opcode) {
1422         case CTDB_CONTROL_STATISTICS:
1423                 ctdb_statistics_push(cd->data.stats, buf);
1424                 break;
1425
1426         case CTDB_CONTROL_GETDBPATH:
1427                 ctdb_string_push(&cd->data.db_path, buf, &np);
1428                 break;
1429
1430         case CTDB_CONTROL_GETVNNMAP:
1431                 ctdb_vnn_map_push(cd->data.vnnmap, buf);
1432                 break;
1433
1434         case CTDB_CONTROL_GET_DEBUG:
1435                 ctdb_uint32_push(&cd->data.loglevel, buf, &np);
1436                 break;
1437
1438         case CTDB_CONTROL_GET_DBMAP:
1439                 ctdb_dbid_map_push(cd->data.dbmap, buf);
1440                 break;
1441
1442         case CTDB_CONTROL_PULL_DB:
1443                 ctdb_rec_buffer_push(cd->data.recbuf, buf);
1444                 break;
1445
1446         case CTDB_CONTROL_PUSH_DB:
1447                 break;
1448
1449         case CTDB_CONTROL_DB_ATTACH:
1450                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
1451                 break;
1452
1453         case CTDB_CONTROL_GET_DBNAME:
1454                 ctdb_string_push(&cd->data.db_name, buf, &np);
1455                 break;
1456
1457         case CTDB_CONTROL_DUMP_MEMORY:
1458                 ctdb_string_push(&cd->data.mem_str, buf, &np);
1459                 break;
1460
1461         case CTDB_CONTROL_GET_PID:
1462                 break;
1463
1464         case CTDB_CONTROL_GET_RECMASTER:
1465                 break;
1466
1467         case CTDB_CONTROL_GET_TUNABLE:
1468                 ctdb_uint32_push(&cd->data.tun_value, buf, &np);
1469                 break;
1470
1471         case CTDB_CONTROL_LIST_TUNABLES:
1472                 ctdb_var_list_push(cd->data.tun_var_list, buf);
1473                 break;
1474
1475         case CTDB_CONTROL_GET_ALL_TUNABLES:
1476                 ctdb_tunable_list_push(cd->data.tun_list, buf);
1477                 break;
1478
1479         case CTDB_CONTROL_GET_TCP_TICKLE_LIST:
1480                 ctdb_tickle_list_push(cd->data.tickles, buf);
1481                 break;
1482
1483         case CTDB_CONTROL_DB_ATTACH_PERSISTENT:
1484                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
1485                 break;
1486
1487         case CTDB_CONTROL_UPTIME:
1488                 ctdb_uptime_push(cd->data.uptime, buf);
1489                 break;
1490
1491         case CTDB_CONTROL_TRY_DELETE_RECORDS:
1492                 ctdb_rec_buffer_push(cd->data.recbuf, buf);
1493                 break;
1494
1495         case CTDB_CONTROL_GET_CAPABILITIES:
1496                 ctdb_uint32_push(&cd->data.caps, buf, &np);
1497                 break;
1498
1499         case CTDB_CONTROL_GET_PUBLIC_IPS:
1500                 ctdb_public_ip_list_push(cd->data.pubip_list, buf);
1501                 break;
1502
1503         case CTDB_CONTROL_GET_NODEMAP:
1504                 ctdb_node_map_push(cd->data.nodemap, buf);
1505                 break;
1506
1507         case CTDB_CONTROL_GET_RECLOCK_FILE:
1508                 ctdb_string_push(&cd->data.reclock_file, buf, &np);
1509                 break;
1510
1511         case CTDB_CONTROL_GET_BAN_STATE:
1512                 ctdb_ban_state_push(cd->data.ban_state, buf);
1513                 break;
1514
1515         case CTDB_CONTROL_GET_DB_PRIORITY:
1516                 break;
1517
1518         case CTDB_CONTROL_GET_DB_SEQNUM:
1519                 ctdb_uint64_push(&cd->data.seqnum, buf, &np);
1520                 break;
1521
1522         case CTDB_CONTROL_DB_GET_HEALTH:
1523                 ctdb_string_push(&cd->data.reason, buf, &np);
1524                 break;
1525
1526         case CTDB_CONTROL_GET_PUBLIC_IP_INFO:
1527                 ctdb_public_ip_info_push(cd->data.ipinfo, buf);
1528                 break;
1529
1530         case CTDB_CONTROL_GET_IFACES:
1531                 ctdb_iface_list_push(cd->data.iface_list, buf);
1532                 break;
1533
1534         case CTDB_CONTROL_GET_STAT_HISTORY:
1535                 ctdb_statistics_list_push(cd->data.stats_list, buf);
1536                 break;
1537
1538         case CTDB_CONTROL_CHECK_SRVIDS:
1539                 break;
1540
1541         case CTDB_CONTROL_GET_DB_STATISTICS:
1542                 ctdb_db_statistics_push(cd->data.dbstats, buf);
1543                 break;
1544
1545         case CTDB_CONTROL_RECEIVE_RECORDS:
1546                 ctdb_rec_buffer_push(cd->data.recbuf, buf);
1547                 break;
1548
1549         case CTDB_CONTROL_GET_RUNSTATE:
1550                 ctdb_uint32_push(&cd->data.runstate, buf, &np);
1551                 break;
1552
1553         case CTDB_CONTROL_GET_NODES_FILE:
1554                 ctdb_node_map_push(cd->data.nodemap, buf);
1555                 break;
1556
1557         case CTDB_CONTROL_DB_PULL:
1558                 ctdb_uint32_push(&cd->data.num_records, buf, &np);
1559                 break;
1560
1561         case CTDB_CONTROL_DB_PUSH_CONFIRM:
1562                 ctdb_uint32_push(&cd->data.num_records, buf, &np);
1563                 break;
1564
1565         case CTDB_CONTROL_DB_OPEN_FLAGS:
1566                 ctdb_int32_push(&cd->data.tdb_flags, buf, &np);
1567                 break;
1568
1569         case CTDB_CONTROL_DB_ATTACH_REPLICATED:
1570                 ctdb_uint32_push(&cd->data.db_id, buf, &np);
1571                 break;
1572         }
1573 }
1574
1575 static int ctdb_reply_control_data_pull(uint8_t *buf, size_t buflen,
1576                                         uint32_t opcode, TALLOC_CTX *mem_ctx,
1577                                         struct ctdb_reply_control_data *cd)
1578 {
1579         size_t np;
1580         int ret = 0;
1581
1582         cd->opcode = opcode;
1583
1584         switch (opcode) {
1585         case CTDB_CONTROL_STATISTICS:
1586                 ret = ctdb_statistics_pull(buf, buflen, mem_ctx,
1587                                            &cd->data.stats);
1588                 break;
1589
1590         case CTDB_CONTROL_GETDBPATH:
1591                 ret = ctdb_string_pull(buf, buflen, mem_ctx,
1592                                        &cd->data.db_path, &np);
1593                 break;
1594
1595         case CTDB_CONTROL_GETVNNMAP:
1596                 ret = ctdb_vnn_map_pull(buf, buflen, mem_ctx,
1597                                         &cd->data.vnnmap);
1598                 break;
1599
1600         case CTDB_CONTROL_GET_DEBUG:
1601                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.loglevel, &np);
1602                 break;
1603
1604         case CTDB_CONTROL_GET_DBMAP:
1605                 ret = ctdb_dbid_map_pull(buf, buflen, mem_ctx,
1606                                          &cd->data.dbmap);
1607                 break;
1608
1609         case CTDB_CONTROL_PULL_DB:
1610                 ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx,
1611                                            &cd->data.recbuf);
1612                 break;
1613
1614         case CTDB_CONTROL_PUSH_DB:
1615                 break;
1616
1617         case CTDB_CONTROL_DB_ATTACH:
1618                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
1619                 break;
1620
1621         case CTDB_CONTROL_GET_DBNAME:
1622                 ret = ctdb_string_pull(buf, buflen, mem_ctx,
1623                                        &cd->data.db_name, &np);
1624                 break;
1625
1626         case CTDB_CONTROL_DUMP_MEMORY:
1627                 ret = ctdb_string_pull(buf, buflen, mem_ctx,
1628                                        &cd->data.mem_str, &np);
1629                 break;
1630
1631         case CTDB_CONTROL_GET_PID:
1632                 break;
1633
1634         case CTDB_CONTROL_GET_RECMASTER:
1635                 break;
1636
1637         case CTDB_CONTROL_GET_TUNABLE:
1638                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.tun_value,
1639                                        &np);
1640                 break;
1641
1642         case CTDB_CONTROL_LIST_TUNABLES:
1643                 ret = ctdb_var_list_pull(buf, buflen, mem_ctx,
1644                                          &cd->data.tun_var_list);
1645                 break;
1646
1647         case CTDB_CONTROL_GET_ALL_TUNABLES:
1648                 ret = ctdb_tunable_list_pull(buf, buflen, mem_ctx,
1649                                              &cd->data.tun_list);
1650                 break;
1651
1652         case CTDB_CONTROL_GET_TCP_TICKLE_LIST:
1653                 ret = ctdb_tickle_list_pull(buf, buflen, mem_ctx,
1654                                             &cd->data.tickles);
1655                 break;
1656
1657         case CTDB_CONTROL_DB_ATTACH_PERSISTENT:
1658                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
1659                 break;
1660
1661         case CTDB_CONTROL_UPTIME:
1662                 ret = ctdb_uptime_pull(buf, buflen, mem_ctx,
1663                                        &cd->data.uptime);
1664                 break;
1665
1666         case CTDB_CONTROL_TRY_DELETE_RECORDS:
1667                 ctdb_rec_buffer_pull(buf, buflen, mem_ctx,
1668                                      &cd->data.recbuf);
1669                 break;
1670
1671         case CTDB_CONTROL_GET_CAPABILITIES:
1672                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.caps, &np);
1673                 break;
1674
1675         case CTDB_CONTROL_GET_PUBLIC_IPS:
1676                 ret = ctdb_public_ip_list_pull(buf, buflen, mem_ctx,
1677                                                &cd->data.pubip_list);
1678                 break;
1679
1680         case CTDB_CONTROL_GET_NODEMAP:
1681                 ret = ctdb_node_map_pull(buf, buflen, mem_ctx,
1682                                          &cd->data.nodemap);
1683                 break;
1684
1685         case CTDB_CONTROL_GET_RECLOCK_FILE:
1686                 ret = ctdb_string_pull(buf, buflen, mem_ctx,
1687                                        &cd->data.reclock_file, &np);
1688                 break;
1689
1690         case CTDB_CONTROL_GET_BAN_STATE:
1691                 ret = ctdb_ban_state_pull(buf, buflen, mem_ctx,
1692                                           &cd->data.ban_state);
1693                 break;
1694
1695         case CTDB_CONTROL_GET_DB_PRIORITY:
1696                 break;
1697
1698         case CTDB_CONTROL_GET_DB_SEQNUM:
1699                 ret = ctdb_uint64_pull(buf, buflen, &cd->data.seqnum, &np);
1700                 break;
1701
1702         case CTDB_CONTROL_DB_GET_HEALTH:
1703                 ret = ctdb_string_pull(buf, buflen, mem_ctx,
1704                                        &cd->data.reason, &np);
1705                 break;
1706
1707         case CTDB_CONTROL_GET_PUBLIC_IP_INFO:
1708                 ret = ctdb_public_ip_info_pull(buf, buflen, mem_ctx,
1709                                                &cd->data.ipinfo);
1710                 break;
1711
1712         case CTDB_CONTROL_GET_IFACES:
1713                 ret = ctdb_iface_list_pull(buf, buflen, mem_ctx,
1714                                            &cd->data.iface_list);
1715                 break;
1716
1717         case CTDB_CONTROL_GET_STAT_HISTORY:
1718                 ret = ctdb_statistics_list_pull(buf, buflen, mem_ctx,
1719                                                 &cd->data.stats_list);
1720                 break;
1721
1722         case CTDB_CONTROL_CHECK_SRVIDS:
1723                 break;
1724
1725         case CTDB_CONTROL_GET_DB_STATISTICS:
1726                 ret = ctdb_db_statistics_pull(buf, buflen, mem_ctx,
1727                                               &cd->data.dbstats);
1728                 break;
1729
1730         case CTDB_CONTROL_RECEIVE_RECORDS:
1731                 ret = ctdb_rec_buffer_pull(buf, buflen, mem_ctx,
1732                                            &cd->data.recbuf);
1733                 break;
1734
1735         case CTDB_CONTROL_GET_RUNSTATE:
1736                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.runstate, &np);
1737                 break;
1738
1739         case CTDB_CONTROL_GET_NODES_FILE:
1740                 ret = ctdb_node_map_pull(buf, buflen, mem_ctx,
1741                                          &cd->data.nodemap);
1742                 break;
1743
1744         case CTDB_CONTROL_DB_PULL:
1745                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.num_records,
1746                                        &np);
1747                 break;
1748
1749         case CTDB_CONTROL_DB_PUSH_CONFIRM:
1750                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.num_records,
1751                                        &np);
1752                 break;
1753
1754         case CTDB_CONTROL_DB_OPEN_FLAGS:
1755                 ret = ctdb_int32_pull(buf, buflen, &cd->data.tdb_flags, &np);
1756                 break;
1757
1758         case CTDB_CONTROL_DB_ATTACH_REPLICATED:
1759                 ret = ctdb_uint32_pull(buf, buflen, &cd->data.db_id, &np);
1760                 break;
1761         }
1762
1763         return ret;
1764 }
1765
1766 size_t ctdb_req_control_len(struct ctdb_req_header *h,
1767                             struct ctdb_req_control *c)
1768 {
1769         return offsetof(struct ctdb_req_control_wire, data) +
1770                 ctdb_req_control_data_len(&c->rdata);
1771 }
1772
1773 int ctdb_req_control_push(struct ctdb_req_header *h,
1774                           struct ctdb_req_control *request,
1775                           uint8_t *buf, size_t *buflen)
1776 {
1777         struct ctdb_req_control_wire *wire =
1778                 (struct ctdb_req_control_wire *)buf;
1779         size_t length;
1780
1781         length = ctdb_req_control_len(h, request);
1782         if (*buflen < length) {
1783                 *buflen = length;
1784                 return EMSGSIZE;
1785         }
1786
1787         h->length = *buflen;
1788         ctdb_req_header_push(h, (uint8_t *)&wire->hdr);
1789
1790         wire->opcode = request->opcode;
1791         wire->pad = request->pad;
1792         wire->srvid = request->srvid;
1793         wire->client_id = request->client_id;
1794         wire->flags = request->flags;
1795
1796         wire->datalen = ctdb_req_control_data_len(&request->rdata);
1797         ctdb_req_control_data_push(&request->rdata, wire->data);
1798
1799         return 0;
1800 }
1801
1802 int ctdb_req_control_pull(uint8_t *buf, size_t buflen,
1803                           struct ctdb_req_header *h,
1804                           TALLOC_CTX *mem_ctx,
1805                           struct ctdb_req_control *c)
1806 {
1807         struct ctdb_req_control_wire *wire =
1808                 (struct ctdb_req_control_wire *)buf;
1809         size_t length;
1810         int ret;
1811
1812         length = offsetof(struct ctdb_req_control_wire, data);
1813         if (buflen < length) {
1814                 return EMSGSIZE;
1815         }
1816         if (wire->datalen > buflen) {
1817                 return EMSGSIZE;
1818         }
1819         if (length + wire->datalen < length) {
1820                 return EMSGSIZE;
1821         }
1822         if (buflen < length + wire->datalen) {
1823                 return EMSGSIZE;
1824         }
1825
1826         if (h != NULL) {
1827                 ret = ctdb_req_header_pull((uint8_t *)&wire->hdr, buflen, h);
1828                 if (ret != 0) {
1829                         return ret;
1830                 }
1831         }
1832
1833         c->opcode = wire->opcode;
1834         c->pad = wire->pad;
1835         c->srvid = wire->srvid;
1836         c->client_id = wire->client_id;
1837         c->flags = wire->flags;
1838
1839         ret = ctdb_req_control_data_pull(wire->data, wire->datalen,
1840                                          c->opcode, mem_ctx, &c->rdata);
1841         if (ret != 0) {
1842                 return ret;
1843         }
1844
1845         return 0;
1846 }
1847
1848 size_t ctdb_reply_control_len(struct ctdb_req_header *h,
1849                               struct ctdb_reply_control *c)
1850 {
1851         return offsetof(struct ctdb_reply_control_wire, data) +
1852                 (c->status == 0 ?
1853                         ctdb_reply_control_data_len(&c->rdata) :
1854                         ctdb_string_len(&c->errmsg));
1855 }
1856
1857 int ctdb_reply_control_push(struct ctdb_req_header *h,
1858                             struct ctdb_reply_control *reply,
1859                             uint8_t *buf, size_t *buflen)
1860 {
1861         struct ctdb_reply_control_wire *wire =
1862                 (struct ctdb_reply_control_wire *)buf;
1863         size_t length, np;
1864
1865         length = ctdb_reply_control_len(h, reply);
1866         if (*buflen < length) {
1867                 *buflen = length;
1868                 return EMSGSIZE;
1869         }
1870
1871         h->length = *buflen;
1872         ctdb_req_header_push(h, (uint8_t *)&wire->hdr);
1873
1874         wire->status = reply->status;
1875
1876         if (reply->status == 0) {
1877                 wire->datalen = ctdb_reply_control_data_len(&reply->rdata);
1878                 wire->errorlen = 0;
1879                 ctdb_reply_control_data_push(&reply->rdata, wire->data);
1880         } else {
1881                 wire->datalen = 0;
1882                 wire->errorlen = ctdb_string_len(&reply->errmsg);
1883                 ctdb_string_push(&reply->errmsg, wire->data + wire->datalen,
1884                                  &np);
1885         }
1886
1887         return 0;
1888 }
1889
1890 int ctdb_reply_control_pull(uint8_t *buf, size_t buflen, uint32_t opcode,
1891                             struct ctdb_req_header *h,
1892                             TALLOC_CTX *mem_ctx,
1893                             struct ctdb_reply_control *c)
1894 {
1895         struct ctdb_reply_control_wire *wire =
1896                 (struct ctdb_reply_control_wire *)buf;
1897         size_t length, np;
1898         int ret;
1899
1900         length = offsetof(struct ctdb_reply_control_wire, data);
1901         if (buflen < length) {
1902                 return EMSGSIZE;
1903         }
1904         if (wire->datalen > buflen || wire->errorlen > buflen) {
1905                 return EMSGSIZE;
1906         }
1907         if (length + wire->datalen < length) {
1908                 return EMSGSIZE;
1909         }
1910         if (length + wire->datalen + wire->errorlen < length) {
1911                 return EMSGSIZE;
1912         }
1913         if (buflen < length + wire->datalen + wire->errorlen) {
1914                 return EMSGSIZE;
1915         }
1916
1917         if (h != NULL) {
1918                 ret = ctdb_req_header_pull((uint8_t *)&wire->hdr, buflen, h);
1919                 if (ret != 0) {
1920                         return ret;
1921                 }
1922         }
1923
1924         c->status = wire->status;
1925
1926         if (c->status != -1) {
1927                 ret = ctdb_reply_control_data_pull(wire->data, wire->datalen,
1928                                                    opcode, mem_ctx,
1929                                                    &c->rdata);
1930                 if (ret != 0) {
1931                         return ret;
1932                 }
1933         }
1934
1935         ret = ctdb_string_pull(wire->data + wire->datalen, wire->errorlen,
1936                                mem_ctx, &c->errmsg, &np);
1937         if (ret != 0) {
1938                 return ret;
1939         }
1940
1941         return 0;
1942 }