tools/ctdb.c

   1 /*
   2    ctdb control tool
   3
   4    Copyright (C) Andrew Tridgell  2007
   5    Copyright (C) Ronnie Sahlberg  2007
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "lib/tevent/tevent.h"
  23 #include "system/time.h"
  24 #include "system/filesys.h"
  25 #include "system/network.h"
  26 #include "system/locale.h"
  27 #include "popt.h"
  28 #include "cmdline.h"
  29 #include "../include/ctdb.h"
  30 #include "../include/ctdb_client.h"
  31 #include "../include/ctdb_private.h"
  32 #include "../common/rb_tree.h"
  33 #include "db_wrap.h"
  34
  35 #define ERR_TIMEOUT     20      /* timed out trying to reach node */
  36 #define ERR_NONODE      21      /* node does not exist */
  37 #define ERR_DISNODE     22      /* node is disconnected */
  38
  39 struct ctdb_connection *ctdb_connection;
  40
  41 static void usage(void);
  42
  43 static struct {
  44         int timelimit;
  45         uint32_t pnn;
  46         int machinereadable;
  47         int verbose;
  48         int maxruntime;
  49 } options;
  50
  51 #define TIMELIMIT() timeval_current_ofs(options.timelimit, 0)
  52 #define LONGTIMELIMIT() timeval_current_ofs(options.timelimit*10, 0)
  53
  54 #ifdef CTDB_VERS
  55 static int control_version(struct ctdb_context *ctdb, int argc, const char **argv)
  56 {
  57 #define STR(x) #x
  58 #define XSTR(x) STR(x)
  59         printf("CTDB version: %s\n", XSTR(CTDB_VERS));
  60         return 0;
  61 }
  62 #endif
  63
  64
  65 /*
  66   verify that a node exists and is reachable
  67  */
  68 static void verify_node(struct ctdb_context *ctdb)
  69 {
  70         int ret;
  71         struct ctdb_node_map *nodemap=NULL;
  72
  73         if (options.pnn == CTDB_CURRENT_NODE) {
  74                 return;
  75         }
  76         if (options.pnn == CTDB_BROADCAST_ALL) {
  77                 return;
  78         }
  79
  80         /* verify the node exists */
  81         if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
  82                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
  83                 exit(10);
  84         }
  85         if (options.pnn >= nodemap->num) {
  86                 DEBUG(DEBUG_ERR, ("Node %u does not exist\n", options.pnn));
  87                 exit(ERR_NONODE);
  88         }
  89         if (nodemap->nodes[options.pnn].flags & NODE_FLAGS_DELETED) {
  90                 DEBUG(DEBUG_ERR, ("Node %u is DELETED\n", options.pnn));
  91                 exit(ERR_DISNODE);
  92         }
  93         if (nodemap->nodes[options.pnn].flags & NODE_FLAGS_DISCONNECTED) {
  94                 DEBUG(DEBUG_ERR, ("Node %u is DISCONNECTED\n", options.pnn));
  95                 exit(ERR_DISNODE);
  96         }
  97
  98         /* verify we can access the node */
  99         ret = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
 100         if (ret == -1) {
 101                 DEBUG(DEBUG_ERR,("Can not access node. Node is not operational.\n"));
 102                 exit(10);
 103         }
 104 }
 105
 106 /*
 107  check if a database exists
 108 */
 109 static int db_exists(struct ctdb_context *ctdb, const char *db_name, bool *persistent)
 110 {
 111         int i, ret;
 112         struct ctdb_dbid_map *dbmap=NULL;
 113
 114         ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &dbmap);
 115         if (ret != 0) {
 116                 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
 117                 return -1;
 118         }
 119
 120         for(i=0;i<dbmap->num;i++){
 121                 const char *name;
 122
 123                 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &name);
 124                 if (!strcmp(name, db_name)) {
 125                         if (persistent) {
 126                                 *persistent = dbmap->dbs[i].persistent;
 127                         }
 128                         return 0;
 129                 }
 130         }
 131
 132         return -1;
 133 }
 134
 135 /*
 136   see if a process exists
 137  */
 138 static int control_process_exists(struct ctdb_context *ctdb, int argc, const char **argv)
 139 {
 140         uint32_t pnn, pid;
 141         int ret;
 142         if (argc < 1) {
 143                 usage();
 144         }
 145
 146         if (sscanf(argv[0], "%u:%u", &pnn, &pid) != 2) {
 147                 DEBUG(DEBUG_ERR, ("Badly formed pnn:pid\n"));
 148                 return -1;
 149         }
 150
 151         ret = ctdb_ctrl_process_exists(ctdb, pnn, pid);
 152         if (ret == 0) {
 153                 printf("%u:%u exists\n", pnn, pid);
 154         } else {
 155                 printf("%u:%u does not exist\n", pnn, pid);
 156         }
 157         return ret;
 158 }
 159
 160 /*
 161   display statistics structure
 162  */
 163 static void show_statistics(struct ctdb_statistics *s, int show_header)
 164 {
 165         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
 166         int i;
 167         const char *prefix=NULL;
 168         int preflen=0;
 169         int tmp, days, hours, minutes, seconds;
 170         const struct {
 171                 const char *name;
 172                 uint32_t offset;
 173         } fields[] = {
 174 #define STATISTICS_FIELD(n) { #n, offsetof(struct ctdb_statistics, n) }
 175                 STATISTICS_FIELD(num_clients),
 176                 STATISTICS_FIELD(frozen),
 177                 STATISTICS_FIELD(recovering),
 178                 STATISTICS_FIELD(num_recoveries),
 179                 STATISTICS_FIELD(client_packets_sent),
 180                 STATISTICS_FIELD(client_packets_recv),
 181                 STATISTICS_FIELD(node_packets_sent),
 182                 STATISTICS_FIELD(node_packets_recv),
 183                 STATISTICS_FIELD(keepalive_packets_sent),
 184                 STATISTICS_FIELD(keepalive_packets_recv),
 185                 STATISTICS_FIELD(node.req_call),
 186                 STATISTICS_FIELD(node.reply_call),
 187                 STATISTICS_FIELD(node.req_dmaster),
 188                 STATISTICS_FIELD(node.reply_dmaster),
 189                 STATISTICS_FIELD(node.reply_error),
 190                 STATISTICS_FIELD(node.req_message),
 191                 STATISTICS_FIELD(node.req_control),
 192                 STATISTICS_FIELD(node.reply_control),
 193                 STATISTICS_FIELD(client.req_call),
 194                 STATISTICS_FIELD(client.req_message),
 195                 STATISTICS_FIELD(client.req_control),
 196                 STATISTICS_FIELD(timeouts.call),
 197                 STATISTICS_FIELD(timeouts.control),
 198                 STATISTICS_FIELD(timeouts.traverse),
 199                 STATISTICS_FIELD(total_calls),
 200                 STATISTICS_FIELD(pending_calls),
 201                 STATISTICS_FIELD(lockwait_calls),
 202                 STATISTICS_FIELD(pending_lockwait_calls),
 203                 STATISTICS_FIELD(childwrite_calls),
 204                 STATISTICS_FIELD(pending_childwrite_calls),
 205                 STATISTICS_FIELD(memory_used),
 206                 STATISTICS_FIELD(max_hop_count),
 207         };
 208         tmp = s->statistics_current_time.tv_sec - s->statistics_start_time.tv_sec;
 209         seconds = tmp%60;
 210         tmp    /= 60;
 211         minutes = tmp%60;
 212         tmp    /= 60;
 213         hours   = tmp%24;
 214         tmp    /= 24;
 215         days    = tmp;
 216
 217         if (options.machinereadable){
 218                 if (show_header) {
 219                         printf("CTDB version:");
 220                         printf("Current time of statistics:");
 221                         printf("Statistics collected since:");
 222                         for (i=0;i<ARRAY_SIZE(fields);i++) {
 223                                 printf("%s:", fields[i].name);
 224                         }
 225                         printf("num_reclock_ctdbd_latency:");
 226                         printf("min_reclock_ctdbd_latency:");
 227                         printf("avg_reclock_ctdbd_latency:");
 228                         printf("max_reclock_ctdbd_latency:");
 229
 230                         printf("num_reclock_recd_latency:");
 231                         printf("min_reclock_recd_latency:");
 232                         printf("avg_reclock_recd_latency:");
 233                         printf("max_reclock_recd_latency:");
 234
 235                         printf("num_call_latency:");
 236                         printf("min_call_latency:");
 237                         printf("avg_call_latency:");
 238                         printf("max_call_latency:");
 239
 240                         printf("num_lockwait_latency:");
 241                         printf("min_lockwait_latency:");
 242                         printf("avg_lockwait_latency:");
 243                         printf("max_lockwait_latency:");
 244
 245                         printf("num_childwrite_latency:");
 246                         printf("min_childwrite_latency:");
 247                         printf("avg_childwrite_latency:");
 248                         printf("max_childwrite_latency:");
 249                         printf("\n");
 250                 }
 251                 printf("%d:", CTDB_VERSION);
 252                 printf("%d:", (int)s->statistics_current_time.tv_sec);
 253                 printf("%d:", (int)s->statistics_start_time.tv_sec);
 254                 for (i=0;i<ARRAY_SIZE(fields);i++) {
 255                         printf("%d:", *(uint32_t *)(fields[i].offset+(uint8_t *)s));
 256                 }
 257                 printf("%d:", s->reclock.ctdbd.num);
 258                 printf("%.6f:", s->reclock.ctdbd.min);
 259                 printf("%.6f:", s->reclock.ctdbd.num?s->reclock.ctdbd.total/s->reclock.ctdbd.num:0.0);
 260                 printf("%.6f:", s->reclock.ctdbd.max);
 261
 262                 printf("%d:", s->reclock.recd.num);
 263                 printf("%.6f:", s->reclock.recd.min);
 264                 printf("%.6f:", s->reclock.recd.num?s->reclock.recd.total/s->reclock.recd.num:0.0);
 265                 printf("%.6f:", s->reclock.recd.max);
 266
 267                 printf("%d:", s->call_latency.num);
 268                 printf("%.6f:", s->call_latency.min);
 269                 printf("%.6f:", s->call_latency.num?s->call_latency.total/s->call_latency.num:0.0);
 270                 printf("%.6f:", s->call_latency.max);
 271
 272                 printf("%d:", s->lockwait_latency.num);
 273                 printf("%.6f:", s->lockwait_latency.min);
 274                 printf("%.6f:", s->lockwait_latency.num?s->lockwait_latency.total/s->lockwait_latency.num:0.0);
 275                 printf("%.6f:", s->lockwait_latency.max);
 276
 277                 printf("%d:", s->childwrite_latency.num);
 278                 printf("%.6f:", s->childwrite_latency.min);
 279                 printf("%.6f:", s->childwrite_latency.num?s->childwrite_latency.total/s->childwrite_latency.num:0.0);
 280                 printf("%.6f:", s->childwrite_latency.max);
 281                 printf("\n");
 282         } else {
 283                 printf("CTDB version %u\n", CTDB_VERSION);
 284                 printf("Current time of statistics  :                %s", ctime(&s->statistics_current_time.tv_sec));
 285                 printf("Statistics collected since  : (%03d %02d:%02d:%02d) %s", days, hours, minutes, seconds, ctime(&s->statistics_start_time.tv_sec));
 286
 287                 for (i=0;i<ARRAY_SIZE(fields);i++) {
 288                         if (strchr(fields[i].name, '.')) {
 289                                 preflen = strcspn(fields[i].name, ".")+1;
 290                                 if (!prefix || strncmp(prefix, fields[i].name, preflen) != 0) {
 291                                         prefix = fields[i].name;
 292                                         printf(" %*.*s\n", preflen-1, preflen-1, fields[i].name);
 293                                 }
 294                         } else {
 295                                 preflen = 0;
 296                         }
 297                         printf(" %*s%-22s%*s%10u\n",
 298                                preflen?4:0, "",
 299                                fields[i].name+preflen,
 300                                preflen?0:4, "",
 301                                *(uint32_t *)(fields[i].offset+(uint8_t *)s));
 302                 }
 303                 printf(" %-30s     %.6f/%.6f/%.6f sec out of %d\n", "reclock_ctdbd       MIN/AVG/MAX", s->reclock.ctdbd.min, s->reclock.ctdbd.num?s->reclock.ctdbd.total/s->reclock.ctdbd.num:0.0, s->reclock.ctdbd.max, s->reclock.ctdbd.num);
 304
 305                 printf(" %-30s     %.6f/%.6f/%.6f sec out of %d\n", "reclock_recd       MIN/AVG/MAX", s->reclock.recd.min, s->reclock.recd.num?s->reclock.recd.total/s->reclock.recd.num:0.0, s->reclock.recd.max, s->reclock.recd.num);
 306
 307                 printf(" %-30s     %.6f/%.6f/%.6f sec out of %d\n", "call_latency       MIN/AVG/MAX", s->call_latency.min, s->call_latency.num?s->call_latency.total/s->call_latency.num:0.0, s->call_latency.max, s->call_latency.num);
 308                 printf(" %-30s     %.6f/%.6f/%.6f sec out of %d\n", "lockwait_latency   MIN/AVG/MAX", s->lockwait_latency.min, s->lockwait_latency.num?s->lockwait_latency.total/s->lockwait_latency.num:0.0, s->lockwait_latency.max, s->lockwait_latency.num);
 309                 printf(" %-30s     %.6f/%.6f/%.6f sec out of %d\n", "childwrite_latency MIN/AVG/MAX", s->childwrite_latency.min, s->childwrite_latency.num?s->childwrite_latency.total/s->childwrite_latency.num:0.0, s->childwrite_latency.max, s->childwrite_latency.num);
 310         }
 311
 312         talloc_free(tmp_ctx);
 313 }
 314
 315 /*
 316   display remote ctdb statistics combined from all nodes
 317  */
 318 static int control_statistics_all(struct ctdb_context *ctdb)
 319 {
 320         int ret, i;
 321         struct ctdb_statistics statistics;
 322         uint32_t *nodes;
 323         uint32_t num_nodes;
 324
 325         nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
 326         CTDB_NO_MEMORY(ctdb, nodes);
 327
 328         ZERO_STRUCT(statistics);
 329
 330         for (i=0;i<num_nodes;i++) {
 331                 struct ctdb_statistics s1;
 332                 int j;
 333                 uint32_t *v1 = (uint32_t *)&s1;
 334                 uint32_t *v2 = (uint32_t *)&statistics;
 335                 uint32_t num_ints =
 336                         offsetof(struct ctdb_statistics, __last_counter) / sizeof(uint32_t);
 337                 ret = ctdb_ctrl_statistics(ctdb, nodes[i], &s1);
 338                 if (ret != 0) {
 339                         DEBUG(DEBUG_ERR, ("Unable to get statistics from node %u\n", nodes[i]));
 340                         return ret;
 341                 }
 342                 for (j=0;j<num_ints;j++) {
 343                         v2[j] += v1[j];
 344                 }
 345                 statistics.max_hop_count =
 346                         MAX(statistics.max_hop_count, s1.max_hop_count);
 347                 statistics.call_latency.max =
 348                         MAX(statistics.call_latency.max, s1.call_latency.max);
 349                 statistics.lockwait_latency.max =
 350                         MAX(statistics.lockwait_latency.max, s1.lockwait_latency.max);
 351         }
 352         talloc_free(nodes);
 353         printf("Gathered statistics for %u nodes\n", num_nodes);
 354         show_statistics(&statistics, 1);
 355         return 0;
 356 }
 357
 358 /*
 359   display remote ctdb statistics
 360  */
 361 static int control_statistics(struct ctdb_context *ctdb, int argc, const char **argv)
 362 {
 363         int ret;
 364         struct ctdb_statistics statistics;
 365
 366         if (options.pnn == CTDB_BROADCAST_ALL) {
 367                 return control_statistics_all(ctdb);
 368         }
 369
 370         ret = ctdb_ctrl_statistics(ctdb, options.pnn, &statistics);
 371         if (ret != 0) {
 372                 DEBUG(DEBUG_ERR, ("Unable to get statistics from node %u\n", options.pnn));
 373                 return ret;
 374         }
 375         show_statistics(&statistics, 1);
 376         return 0;
 377 }
 378
 379
 380 /*
 381   reset remote ctdb statistics
 382  */
 383 static int control_statistics_reset(struct ctdb_context *ctdb, int argc, const char **argv)
 384 {
 385         int ret;
 386
 387         ret = ctdb_statistics_reset(ctdb, options.pnn);
 388         if (ret != 0) {
 389                 DEBUG(DEBUG_ERR, ("Unable to reset statistics on node %u\n", options.pnn));
 390                 return ret;
 391         }
 392         return 0;
 393 }
 394
 395
 396 /*
 397   display remote ctdb rolling statistics
 398  */
 399 static int control_stats(struct ctdb_context *ctdb, int argc, const char **argv)
 400 {
 401         int ret;
 402         struct ctdb_statistics_wire *stats;
 403         int i, num_records = -1;
 404
 405         if (argc ==1) {
 406                 num_records = atoi(argv[0]) - 1;
 407         }
 408
 409         ret = ctdb_ctrl_getstathistory(ctdb, TIMELIMIT(), options.pnn, ctdb, &stats);
 410         if (ret != 0) {
 411                 DEBUG(DEBUG_ERR, ("Unable to get rolling statistics from node %u\n", options.pnn));
 412                 return ret;
 413         }
 414         for (i=0;i<stats->num;i++) {
 415                 if (stats->stats[i].statistics_start_time.tv_sec == 0) {
 416                         continue;
 417                 }
 418                 show_statistics(&stats->stats[i], i==0);
 419                 if (i == num_records) {
 420                         break;
 421                 }
 422         }
 423         return 0;
 424 }
 425
 426
 427 /*
 428   display uptime of remote node
 429  */
 430 static int control_uptime(struct ctdb_context *ctdb, int argc, const char **argv)
 431 {
 432         int ret;
 433         struct ctdb_uptime *uptime = NULL;
 434         int tmp, days, hours, minutes, seconds;
 435
 436         ret = ctdb_ctrl_uptime(ctdb, ctdb, TIMELIMIT(), options.pnn, &uptime);
 437         if (ret != 0) {
 438                 DEBUG(DEBUG_ERR, ("Unable to get uptime from node %u\n", options.pnn));
 439                 return ret;
 440         }
 441
 442         if (options.machinereadable){
 443                 printf(":Current Node Time:Ctdb Start Time:Last Recovery/Failover Time:Last Recovery/IPFailover Duration:\n");
 444                 printf(":%u:%u:%u:%lf\n",
 445                         (unsigned int)uptime->current_time.tv_sec,
 446                         (unsigned int)uptime->ctdbd_start_time.tv_sec,
 447                         (unsigned int)uptime->last_recovery_finished.tv_sec,
 448                         timeval_delta(&uptime->last_recovery_finished,
 449                                       &uptime->last_recovery_started)
 450                 );
 451                 return 0;
 452         }
 453
 454         printf("Current time of node          :                %s", ctime(&uptime->current_time.tv_sec));
 455
 456         tmp = uptime->current_time.tv_sec - uptime->ctdbd_start_time.tv_sec;
 457         seconds = tmp%60;
 458         tmp    /= 60;
 459         minutes = tmp%60;
 460         tmp    /= 60;
 461         hours   = tmp%24;
 462         tmp    /= 24;
 463         days    = tmp;
 464         printf("Ctdbd start time              : (%03d %02d:%02d:%02d) %s", days, hours, minutes, seconds, ctime(&uptime->ctdbd_start_time.tv_sec));
 465
 466         tmp = uptime->current_time.tv_sec - uptime->last_recovery_finished.tv_sec;
 467         seconds = tmp%60;
 468         tmp    /= 60;
 469         minutes = tmp%60;
 470         tmp    /= 60;
 471         hours   = tmp%24;
 472         tmp    /= 24;
 473         days    = tmp;
 474         printf("Time of last recovery/failover: (%03d %02d:%02d:%02d) %s", days, hours, minutes, seconds, ctime(&uptime->last_recovery_finished.tv_sec));
 475
 476         printf("Duration of last recovery/failover: %lf seconds\n",
 477                 timeval_delta(&uptime->last_recovery_finished,
 478                               &uptime->last_recovery_started));
 479
 480         return 0;
 481 }
 482
 483 /*
 484   show the PNN of the current node
 485  */
 486 static int control_pnn(struct ctdb_context *ctdb, int argc, const char **argv)
 487 {
 488         uint32_t mypnn;
 489         bool ret;
 490
 491         ret = ctdb_getpnn(ctdb_connection, options.pnn, &mypnn);
 492         if (!ret) {
 493                 DEBUG(DEBUG_ERR, ("Unable to get pnn from node."));
 494                 return -1;
 495         }
 496
 497         printf("PNN:%d\n", mypnn);
 498         return 0;
 499 }
 500
 501
 502 struct pnn_node {
 503         struct pnn_node *next;
 504         const char *addr;
 505         int pnn;
 506 };
 507
 508 static struct pnn_node *read_nodes_file(TALLOC_CTX *mem_ctx)
 509 {
 510         const char *nodes_list;
 511         int nlines;
 512         char **lines;
 513         int i, pnn;
 514         struct pnn_node *pnn_nodes = NULL;
 515         struct pnn_node *pnn_node;
 516         struct pnn_node *tmp_node;
 517
 518         /* read the nodes file */
 519         nodes_list = getenv("CTDB_NODES");
 520         if (nodes_list == NULL) {
 521                 nodes_list = "/etc/ctdb/nodes";
 522         }
 523         lines = file_lines_load(nodes_list, &nlines, mem_ctx);
 524         if (lines == NULL) {
 525                 return NULL;
 526         }
 527         while (nlines > 0 && strcmp(lines[nlines-1], "") == 0) {
 528                 nlines--;
 529         }
 530         for (i=0, pnn=0; i<nlines; i++) {
 531                 char *node;
 532
 533                 node = lines[i];
 534                 /* strip leading spaces */
 535                 while((*node == ' ') || (*node == '\t')) {
 536                         node++;
 537                 }
 538                 if (*node == '#') {
 539                         pnn++;
 540                         continue;
 541                 }
 542                 if (strcmp(node, "") == 0) {
 543                         continue;
 544                 }
 545                 pnn_node = talloc(mem_ctx, struct pnn_node);
 546                 pnn_node->pnn = pnn++;
 547                 pnn_node->addr = talloc_strdup(pnn_node, node);
 548                 pnn_node->next = pnn_nodes;
 549                 pnn_nodes = pnn_node;
 550         }
 551
 552         /* swap them around so we return them in incrementing order */
 553         pnn_node = pnn_nodes;
 554         pnn_nodes = NULL;
 555         while (pnn_node) {
 556                 tmp_node = pnn_node;
 557                 pnn_node = pnn_node->next;
 558
 559                 tmp_node->next = pnn_nodes;
 560                 pnn_nodes = tmp_node;
 561         }
 562
 563         return pnn_nodes;
 564 }
 565
 566 /*
 567   show the PNN of the current node
 568   discover the pnn by loading the nodes file and try to bind to all
 569   addresses one at a time until the ip address is found.
 570  */
 571 static int control_xpnn(struct ctdb_context *ctdb, int argc, const char **argv)
 572 {
 573         TALLOC_CTX *mem_ctx = talloc_new(NULL);
 574         struct pnn_node *pnn_nodes;
 575         struct pnn_node *pnn_node;
 576
 577         pnn_nodes = read_nodes_file(mem_ctx);
 578         if (pnn_nodes == NULL) {
 579                 DEBUG(DEBUG_ERR,("Failed to read nodes file\n"));
 580                 talloc_free(mem_ctx);
 581                 return -1;
 582         }
 583
 584         for(pnn_node=pnn_nodes;pnn_node;pnn_node=pnn_node->next) {
 585                 ctdb_sock_addr addr;
 586
 587                 if (parse_ip(pnn_node->addr, NULL, 63999, &addr) == 0) {
 588                         DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s' in nodes file\n", pnn_node->addr));
 589                         talloc_free(mem_ctx);
 590                         return -1;
 591                 }
 592
 593                 if (ctdb_sys_have_ip(&addr)) {
 594                         printf("PNN:%d\n", pnn_node->pnn);
 595                         talloc_free(mem_ctx);
 596                         return 0;
 597                 }
 598         }
 599
 600         printf("Failed to detect which PNN this node is\n");
 601         talloc_free(mem_ctx);
 602         return -1;
 603 }
 604
 605 /*
 606   display remote ctdb status
 607  */
 608 static int control_status(struct ctdb_context *ctdb, int argc, const char **argv)
 609 {
 610         int i, ret;
 611         struct ctdb_vnn_map *vnnmap=NULL;
 612         struct ctdb_node_map *nodemap=NULL;
 613         uint32_t recmode, recmaster;
 614         int mypnn;
 615
 616         mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
 617         if (mypnn == -1) {
 618                 return -1;
 619         }
 620
 621         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
 622         if (ret != 0) {
 623                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
 624                 return ret;
 625         }
 626
 627         if(options.machinereadable){
 628                 printf(":Node:IP:Disconnected:Banned:Disabled:Unhealthy:Stopped:Inactive:PartiallyOnline:\n");
 629                 for(i=0;i<nodemap->num;i++){
 630                         int partially_online = 0;
 631                         int j;
 632
 633                         if (nodemap->nodes[i].flags & NODE_FLAGS_DELETED) {
 634                                 continue;
 635                         }
 636                         if (nodemap->nodes[i].flags == 0) {
 637                                 struct ctdb_control_get_ifaces *ifaces;
 638
 639                                 ret = ctdb_ctrl_get_ifaces(ctdb, TIMELIMIT(),
 640                                                            nodemap->nodes[i].pnn,
 641                                                            ctdb, &ifaces);
 642                                 if (ret == 0) {
 643                                         for (j=0; j < ifaces->num; j++) {
 644                                                 if (ifaces->ifaces[j].link_state != 0) {
 645                                                         continue;
 646                                                 }
 647                                                 partially_online = 1;
 648                                                 break;
 649                                         }
 650                                         talloc_free(ifaces);
 651                                 }
 652                         }
 653                         printf(":%d:%s:%d:%d:%d:%d:%d:%d:%d:\n", nodemap->nodes[i].pnn,
 654                                 ctdb_addr_to_str(&nodemap->nodes[i].addr),
 655                                !!(nodemap->nodes[i].flags&NODE_FLAGS_DISCONNECTED),
 656                                !!(nodemap->nodes[i].flags&NODE_FLAGS_BANNED),
 657                                !!(nodemap->nodes[i].flags&NODE_FLAGS_PERMANENTLY_DISABLED),
 658                                !!(nodemap->nodes[i].flags&NODE_FLAGS_UNHEALTHY),
 659                                !!(nodemap->nodes[i].flags&NODE_FLAGS_STOPPED),
 660                                !!(nodemap->nodes[i].flags&NODE_FLAGS_INACTIVE),
 661                                partially_online);
 662                 }
 663                 return 0;
 664         }
 665
 666         printf("Number of nodes:%d\n", nodemap->num);
 667         for(i=0;i<nodemap->num;i++){
 668                 static const struct {
 669                         uint32_t flag;
 670                         const char *name;
 671                 } flag_names[] = {
 672                         { NODE_FLAGS_DISCONNECTED,          "DISCONNECTED" },
 673                         { NODE_FLAGS_PERMANENTLY_DISABLED,  "DISABLED" },
 674                         { NODE_FLAGS_BANNED,                "BANNED" },
 675                         { NODE_FLAGS_UNHEALTHY,             "UNHEALTHY" },
 676                         { NODE_FLAGS_DELETED,               "DELETED" },
 677                         { NODE_FLAGS_STOPPED,               "STOPPED" },
 678                         { NODE_FLAGS_INACTIVE,              "INACTIVE" },
 679                 };
 680                 char *flags_str = NULL;
 681                 int j;
 682
 683                 if (nodemap->nodes[i].flags & NODE_FLAGS_DELETED) {
 684                         continue;
 685                 }
 686                 if (nodemap->nodes[i].flags == 0) {
 687                         struct ctdb_control_get_ifaces *ifaces;
 688
 689                         ret = ctdb_ctrl_get_ifaces(ctdb, TIMELIMIT(),
 690                                                    nodemap->nodes[i].pnn,
 691                                                    ctdb, &ifaces);
 692                         if (ret == 0) {
 693                                 for (j=0; j < ifaces->num; j++) {
 694                                         if (ifaces->ifaces[j].link_state != 0) {
 695                                                 continue;
 696                                         }
 697                                         flags_str = talloc_strdup(ctdb, "PARTIALLYONLINE");
 698                                         break;
 699                                 }
 700                                 talloc_free(ifaces);
 701                         }
 702                 }
 703                 for (j=0;j<ARRAY_SIZE(flag_names);j++) {
 704                         if (nodemap->nodes[i].flags & flag_names[j].flag) {
 705                                 if (flags_str == NULL) {
 706                                         flags_str = talloc_strdup(ctdb, flag_names[j].name);
 707                                 } else {
 708                                         flags_str = talloc_asprintf_append(flags_str, "|%s",
 709                                                                            flag_names[j].name);
 710                                 }
 711                                 CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
 712                         }
 713                 }
 714                 if (flags_str == NULL) {
 715                         flags_str = talloc_strdup(ctdb, "OK");
 716                         CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
 717                 }
 718                 printf("pnn:%d %-16s %s%s\n", nodemap->nodes[i].pnn,
 719                        ctdb_addr_to_str(&nodemap->nodes[i].addr),
 720                        flags_str,
 721                        nodemap->nodes[i].pnn == mypnn?" (THIS NODE)":"");
 722                 talloc_free(flags_str);
 723         }
 724
 725         ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &vnnmap);
 726         if (ret != 0) {
 727                 DEBUG(DEBUG_ERR, ("Unable to get vnnmap from node %u\n", options.pnn));
 728                 return ret;
 729         }
 730         if (vnnmap->generation == INVALID_GENERATION) {
 731                 printf("Generation:INVALID\n");
 732         } else {
 733                 printf("Generation:%d\n",vnnmap->generation);
 734         }
 735         printf("Size:%d\n",vnnmap->size);
 736         for(i=0;i<vnnmap->size;i++){
 737                 printf("hash:%d lmaster:%d\n", i, vnnmap->map[i]);
 738         }
 739
 740         ret = ctdb_ctrl_getrecmode(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmode);
 741         if (ret != 0) {
 742                 DEBUG(DEBUG_ERR, ("Unable to get recmode from node %u\n", options.pnn));
 743                 return ret;
 744         }
 745         printf("Recovery mode:%s (%d)\n",recmode==CTDB_RECOVERY_NORMAL?"NORMAL":"RECOVERY",recmode);
 746
 747         ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
 748         if (ret != 0) {
 749                 DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
 750                 return ret;
 751         }
 752         printf("Recovery master:%d\n",recmaster);
 753
 754         return 0;
 755 }
 756
 757
 758 struct natgw_node {
 759         struct natgw_node *next;
 760         const char *addr;
 761 };
 762
 763 /*
 764   display the list of nodes belonging to this natgw configuration
 765  */
 766 static int control_natgwlist(struct ctdb_context *ctdb, int argc, const char **argv)
 767 {
 768         int i, ret;
 769         uint32_t capabilities;
 770         const char *natgw_list;
 771         int nlines;
 772         char **lines;
 773         struct natgw_node *natgw_nodes = NULL;
 774         struct natgw_node *natgw_node;
 775         struct ctdb_node_map *nodemap=NULL;
 776
 777
 778         /* read the natgw nodes file into a linked list */
 779         natgw_list = getenv("NATGW_NODES");
 780         if (natgw_list == NULL) {
 781                 natgw_list = "/etc/ctdb/natgw_nodes";
 782         }
 783         lines = file_lines_load(natgw_list, &nlines, ctdb);
 784         if (lines == NULL) {
 785                 ctdb_set_error(ctdb, "Failed to load natgw node list '%s'\n", natgw_list);
 786                 return -1;
 787         }
 788         while (nlines > 0 && strcmp(lines[nlines-1], "") == 0) {
 789                 nlines--;
 790         }
 791         for (i=0;i<nlines;i++) {
 792                 char *node;
 793
 794                 node = lines[i];
 795                 /* strip leading spaces */
 796                 while((*node == ' ') || (*node == '\t')) {
 797                         node++;
 798                 }
 799                 if (*node == '#') {
 800                         continue;
 801                 }
 802                 if (strcmp(node, "") == 0) {
 803                         continue;
 804                 }
 805                 natgw_node = talloc(ctdb, struct natgw_node);
 806                 natgw_node->addr = talloc_strdup(natgw_node, node);
 807                 CTDB_NO_MEMORY(ctdb, natgw_node->addr);
 808                 natgw_node->next = natgw_nodes;
 809                 natgw_nodes = natgw_node;
 810         }
 811
 812         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
 813         if (ret != 0) {
 814                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node.\n"));
 815                 return ret;
 816         }
 817
 818         i=0;
 819         while(i<nodemap->num) {
 820                 for(natgw_node=natgw_nodes;natgw_node;natgw_node=natgw_node->next) {
 821                         if (!strcmp(natgw_node->addr, ctdb_addr_to_str(&nodemap->nodes[i].addr))) {
 822                                 break;
 823                         }
 824                 }
 825
 826                 /* this node was not in the natgw so we just remove it from
 827                  * the list
 828                  */
 829                 if ((natgw_node == NULL)
 830                 ||  (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) ) {
 831                         int j;
 832
 833                         for (j=i+1; j<nodemap->num; j++) {
 834                                 nodemap->nodes[j-1] = nodemap->nodes[j];
 835                         }
 836                         nodemap->num--;
 837                         continue;
 838                 }
 839
 840                 i++;
 841         }
 842
 843         /* pick a node to be natgwmaster
 844          * we dont allow STOPPED, DELETED, BANNED or UNHEALTHY nodes to become the natgwmaster
 845          */
 846         for(i=0;i<nodemap->num;i++){
 847                 if (!(nodemap->nodes[i].flags & (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_STOPPED|NODE_FLAGS_DELETED|NODE_FLAGS_BANNED|NODE_FLAGS_UNHEALTHY))) {
 848                         ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, &capabilities);
 849                         if (ret != 0) {
 850                                 DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", nodemap->nodes[i].pnn));
 851                                 return ret;
 852                         }
 853                         if (!(capabilities&CTDB_CAP_NATGW)) {
 854                                 continue;
 855                         }
 856                         printf("%d %s\n", nodemap->nodes[i].pnn,ctdb_addr_to_str(&nodemap->nodes[i].addr));
 857                         break;
 858                 }
 859         }
 860         /* we couldnt find any healthy node, try unhealthy ones */
 861         if (i == nodemap->num) {
 862                 for(i=0;i<nodemap->num;i++){
 863                         if (!(nodemap->nodes[i].flags & (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_STOPPED|NODE_FLAGS_DELETED))) {
 864                                 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, &capabilities);
 865                                 if (ret != 0) {
 866                                         DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", nodemap->nodes[i].pnn));
 867                                         return ret;
 868                                 }
 869                                 if (!(capabilities&CTDB_CAP_NATGW)) {
 870                                         continue;
 871                                 }
 872                                 printf("%d %s\n", nodemap->nodes[i].pnn,ctdb_addr_to_str(&nodemap->nodes[i].addr));
 873                                 break;
 874                         }
 875                 }
 876         }
 877         /* unless all nodes are STOPPED, when we pick one anyway */
 878         if (i == nodemap->num) {
 879                 for(i=0;i<nodemap->num;i++){
 880                         if (!(nodemap->nodes[i].flags & (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_DELETED))) {
 881                                 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, &capabilities);
 882                                 if (ret != 0) {
 883                                         DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", nodemap->nodes[i].pnn));
 884                                         return ret;
 885                                 }
 886                                 if (!(capabilities&CTDB_CAP_NATGW)) {
 887                                         continue;
 888                                 }
 889                                 printf("%d %s\n", nodemap->nodes[i].pnn, ctdb_addr_to_str(&nodemap->nodes[i].addr));
 890                                 break;
 891                         }
 892                 }
 893                 /* or if we still can not find any */
 894                 if (i == nodemap->num) {
 895                         printf("-1 0.0.0.0\n");
 896                 }
 897         }
 898
 899         /* print the pruned list of nodes belonging to this natgw list */
 900         for(i=0;i<nodemap->num;i++){
 901                 if (nodemap->nodes[i].flags & NODE_FLAGS_DELETED) {
 902                         continue;
 903                 }
 904                 printf(":%d:%s:%d:%d:%d:%d:%d\n", nodemap->nodes[i].pnn,
 905                         ctdb_addr_to_str(&nodemap->nodes[i].addr),
 906                        !!(nodemap->nodes[i].flags&NODE_FLAGS_DISCONNECTED),
 907                        !!(nodemap->nodes[i].flags&NODE_FLAGS_BANNED),
 908                        !!(nodemap->nodes[i].flags&NODE_FLAGS_PERMANENTLY_DISABLED),
 909                        !!(nodemap->nodes[i].flags&NODE_FLAGS_UNHEALTHY),
 910                        !!(nodemap->nodes[i].flags&NODE_FLAGS_STOPPED));
 911         }
 912
 913         return 0;
 914 }
 915
 916 /*
 917   display the status of the scripts for monitoring (or other events)
 918  */
 919 static int control_one_scriptstatus(struct ctdb_context *ctdb,
 920                                     enum ctdb_eventscript_call type)
 921 {
 922         struct ctdb_scripts_wire *script_status;
 923         int ret, i;
 924
 925         ret = ctdb_ctrl_getscriptstatus(ctdb, TIMELIMIT(), options.pnn, ctdb, type, &script_status);
 926         if (ret != 0) {
 927                 DEBUG(DEBUG_ERR, ("Unable to get script status from node %u\n", options.pnn));
 928                 return ret;
 929         }
 930
 931         if (script_status == NULL) {
 932                 if (!options.machinereadable) {
 933                         printf("%s cycle never run\n",
 934                                ctdb_eventscript_call_names[type]);
 935                 }
 936                 return 0;
 937         }
 938
 939         if (!options.machinereadable) {
 940                 printf("%d scripts were executed last %s cycle\n",
 941                        script_status->num_scripts,
 942                        ctdb_eventscript_call_names[type]);
 943         }
 944         for (i=0; i<script_status->num_scripts; i++) {
 945                 const char *status = NULL;
 946
 947                 switch (script_status->scripts[i].status) {
 948                 case -ETIME:
 949                         status = "TIMEDOUT";
 950                         break;
 951                 case -ENOEXEC:
 952                         status = "DISABLED";
 953                         break;
 954                 case 0:
 955                         status = "OK";
 956                         break;
 957                 default:
 958                         if (script_status->scripts[i].status > 0)
 959                                 status = "ERROR";
 960                         break;
 961                 }
 962                 if (options.machinereadable) {
 963                         printf("%s:%s:%i:%s:%lu.%06lu:%lu.%06lu:%s:\n",
 964                                ctdb_eventscript_call_names[type],
 965                                script_status->scripts[i].name,
 966                                script_status->scripts[i].status,
 967                                status,
 968                                (long)script_status->scripts[i].start.tv_sec,
 969                                (long)script_status->scripts[i].start.tv_usec,
 970                                (long)script_status->scripts[i].finished.tv_sec,
 971                                (long)script_status->scripts[i].finished.tv_usec,
 972                                script_status->scripts[i].output);
 973                         continue;
 974                 }
 975                 if (status)
 976                         printf("%-20s Status:%s    ",
 977                                script_status->scripts[i].name, status);
 978                 else
 979                         /* Some other error, eg from stat. */
 980                         printf("%-20s Status:CANNOT RUN (%s)",
 981                                script_status->scripts[i].name,
 982                                strerror(-script_status->scripts[i].status));
 983
 984                 if (script_status->scripts[i].status >= 0) {
 985                         printf("Duration:%.3lf ",
 986                         timeval_delta(&script_status->scripts[i].finished,
 987                               &script_status->scripts[i].start));
 988                 }
 989                 if (script_status->scripts[i].status != -ENOEXEC) {
 990                         printf("%s",
 991                                ctime(&script_status->scripts[i].start.tv_sec));
 992                         if (script_status->scripts[i].status != 0) {
 993                                 printf("   OUTPUT:%s\n",
 994                                        script_status->scripts[i].output);
 995                         }
 996                 } else {
 997                         printf("\n");
 998                 }
 999         }
1000         return 0;
1001 }
1002
1003
1004 static int control_scriptstatus(struct ctdb_context *ctdb,
1005                                 int argc, const char **argv)
1006 {
1007         int ret;
1008         enum ctdb_eventscript_call type, min, max;
1009         const char *arg;
1010
1011         if (argc > 1) {
1012                 DEBUG(DEBUG_ERR, ("Unknown arguments to scriptstatus\n"));
1013                 return -1;
1014         }
1015
1016         if (argc == 0)
1017                 arg = ctdb_eventscript_call_names[CTDB_EVENT_MONITOR];
1018         else
1019                 arg = argv[0];
1020
1021         for (type = 0; type < CTDB_EVENT_MAX; type++) {
1022                 if (strcmp(arg, ctdb_eventscript_call_names[type]) == 0) {
1023                         min = type;
1024                         max = type+1;
1025                         break;
1026                 }
1027         }
1028         if (type == CTDB_EVENT_MAX) {
1029                 if (strcmp(arg, "all") == 0) {
1030                         min = 0;
1031                         max = CTDB_EVENT_MAX;
1032                 } else {
1033                         DEBUG(DEBUG_ERR, ("Unknown event type %s\n", argv[0]));
1034                         return -1;
1035                 }
1036         }
1037
1038         if (options.machinereadable) {
1039                 printf(":Type:Name:Code:Status:Start:End:Error Output...:\n");
1040         }
1041
1042         for (type = min; type < max; type++) {
1043                 ret = control_one_scriptstatus(ctdb, type);
1044                 if (ret != 0) {
1045                         return ret;
1046                 }
1047         }
1048
1049         return 0;
1050 }
1051
1052 /*
1053   enable an eventscript
1054  */
1055 static int control_enablescript(struct ctdb_context *ctdb, int argc, const char **argv)
1056 {
1057         int ret;
1058
1059         if (argc < 1) {
1060                 usage();
1061         }
1062
1063         ret = ctdb_ctrl_enablescript(ctdb, TIMELIMIT(), options.pnn, argv[0]);
1064         if (ret != 0) {
1065           DEBUG(DEBUG_ERR, ("Unable to enable script %s on node %u\n", argv[0], options.pnn));
1066                 return ret;
1067         }
1068
1069         return 0;
1070 }
1071
1072 /*
1073   disable an eventscript
1074  */
1075 static int control_disablescript(struct ctdb_context *ctdb, int argc, const char **argv)
1076 {
1077         int ret;
1078
1079         if (argc < 1) {
1080                 usage();
1081         }
1082
1083         ret = ctdb_ctrl_disablescript(ctdb, TIMELIMIT(), options.pnn, argv[0]);
1084         if (ret != 0) {
1085           DEBUG(DEBUG_ERR, ("Unable to disable script %s on node %u\n", argv[0], options.pnn));
1086                 return ret;
1087         }
1088
1089         return 0;
1090 }
1091
1092 /*
1093   display the pnn of the recovery master
1094  */
1095 static int control_recmaster(struct ctdb_context *ctdb, int argc, const char **argv)
1096 {
1097         int ret;
1098         uint32_t recmaster;
1099
1100         ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
1101         if (ret != 0) {
1102                 DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
1103                 return ret;
1104         }
1105         printf("%d\n",recmaster);
1106
1107         return 0;
1108 }
1109
1110 /*
1111   add a tickle to a public address
1112  */
1113 static int control_add_tickle(struct ctdb_context *ctdb, int argc, const char **argv)
1114 {
1115         struct ctdb_tcp_connection t;
1116         TDB_DATA data;
1117         int ret;
1118
1119         if (argc < 2) {
1120                 usage();
1121         }
1122
1123         if (parse_ip_port(argv[0], &t.src_addr) == 0) {
1124                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
1125                 return -1;
1126         }
1127         if (parse_ip_port(argv[1], &t.dst_addr) == 0) {
1128                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[1]));
1129                 return -1;
1130         }
1131
1132         data.dptr = (uint8_t *)&t;
1133         data.dsize = sizeof(t);
1134
1135         /* tell all nodes about this tcp connection */
1136         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE,
1137                            0, data, ctdb, NULL, NULL, NULL, NULL);
1138         if (ret != 0) {
1139                 DEBUG(DEBUG_ERR,("Failed to add tickle\n"));
1140                 return -1;
1141         }
1142
1143         return 0;
1144 }
1145
1146
1147 /*
1148   delete a tickle from a node
1149  */
1150 static int control_del_tickle(struct ctdb_context *ctdb, int argc, const char **argv)
1151 {
1152         struct ctdb_tcp_connection t;
1153         TDB_DATA data;
1154         int ret;
1155
1156         if (argc < 2) {
1157                 usage();
1158         }
1159
1160         if (parse_ip_port(argv[0], &t.src_addr) == 0) {
1161                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
1162                 return -1;
1163         }
1164         if (parse_ip_port(argv[1], &t.dst_addr) == 0) {
1165                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[1]));
1166                 return -1;
1167         }
1168
1169         data.dptr = (uint8_t *)&t;
1170         data.dsize = sizeof(t);
1171
1172         /* tell all nodes about this tcp connection */
1173         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_TCP_REMOVE,
1174                            0, data, ctdb, NULL, NULL, NULL, NULL);
1175         if (ret != 0) {
1176                 DEBUG(DEBUG_ERR,("Failed to remove tickle\n"));
1177                 return -1;
1178         }
1179
1180         return 0;
1181 }
1182
1183
1184 /*
1185   get a list of all tickles for this pnn
1186  */
1187 static int control_get_tickles(struct ctdb_context *ctdb, int argc, const char **argv)
1188 {
1189         struct ctdb_control_tcp_tickle_list *list;
1190         ctdb_sock_addr addr;
1191         int i, ret;
1192         unsigned port = 0;
1193
1194         if (argc < 1) {
1195                 usage();
1196         }
1197
1198         if (argc == 2) {
1199                 port = atoi(argv[1]);
1200         }
1201
1202         if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
1203                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
1204                 return -1;
1205         }
1206
1207         ret = ctdb_ctrl_get_tcp_tickles(ctdb, TIMELIMIT(), options.pnn, ctdb, &addr, &list);
1208         if (ret == -1) {
1209                 DEBUG(DEBUG_ERR, ("Unable to list tickles\n"));
1210                 return -1;
1211         }
1212
1213         if (options.machinereadable){
1214                 printf(":source ip:port:destination ip:port:\n");
1215                 for (i=0;i<list->tickles.num;i++) {
1216                         if (port && port != ntohs(list->tickles.connections[i].dst_addr.ip.sin_port)) {
1217                                 continue;
1218                         }
1219                         printf(":%s:%u", ctdb_addr_to_str(&list->tickles.connections[i].src_addr), ntohs(list->tickles.connections[i].src_addr.ip.sin_port));
1220                         printf(":%s:%u:\n", ctdb_addr_to_str(&list->tickles.connections[i].dst_addr), ntohs(list->tickles.connections[i].dst_addr.ip.sin_port));
1221                 }
1222         } else {
1223                 printf("Tickles for ip:%s\n", ctdb_addr_to_str(&list->addr));
1224                 printf("Num tickles:%u\n", list->tickles.num);
1225                 for (i=0;i<list->tickles.num;i++) {
1226                         if (port && port != ntohs(list->tickles.connections[i].dst_addr.ip.sin_port)) {
1227                                 continue;
1228                         }
1229                         printf("SRC: %s:%u   ", ctdb_addr_to_str(&list->tickles.connections[i].src_addr), ntohs(list->tickles.connections[i].src_addr.ip.sin_port));
1230                         printf("DST: %s:%u\n", ctdb_addr_to_str(&list->tickles.connections[i].dst_addr), ntohs(list->tickles.connections[i].dst_addr.ip.sin_port));
1231                 }
1232         }
1233
1234         talloc_free(list);
1235
1236         return 0;
1237 }
1238
1239
1240 static int move_ip(struct ctdb_context *ctdb, ctdb_sock_addr *addr, uint32_t pnn)
1241 {
1242         struct ctdb_all_public_ips *ips;
1243         struct ctdb_public_ip ip;
1244         int i, ret;
1245         uint32_t *nodes;
1246         uint32_t disable_time;
1247         TDB_DATA data;
1248         struct ctdb_node_map *nodemap=NULL;
1249         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1250
1251         disable_time = 30;
1252         data.dptr  = (uint8_t*)&disable_time;
1253         data.dsize = sizeof(disable_time);
1254         ret = ctdb_client_send_message(ctdb, CTDB_BROADCAST_CONNECTED, CTDB_SRVID_DISABLE_IP_CHECK, data);
1255         if (ret != 0) {
1256                 DEBUG(DEBUG_ERR,("Failed to send message to disable ipcheck\n"));
1257                 return -1;
1258         }
1259
1260
1261
1262         /* read the public ip list from the node */
1263         ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), pnn, ctdb, &ips);
1264         if (ret != 0) {
1265                 DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", pnn));
1266                 talloc_free(tmp_ctx);
1267                 return -1;
1268         }
1269
1270         for (i=0;i<ips->num;i++) {
1271                 if (ctdb_same_ip(addr, &ips->ips[i].addr)) {
1272                         break;
1273                 }
1274         }
1275         if (i==ips->num) {
1276                 DEBUG(DEBUG_ERR, ("Node %u can not host ip address '%s'\n",
1277                         pnn, ctdb_addr_to_str(addr)));
1278                 talloc_free(tmp_ctx);
1279                 return -1;
1280         }
1281
1282         ip.pnn  = pnn;
1283         ip.addr = *addr;
1284
1285         data.dptr  = (uint8_t *)&ip;
1286         data.dsize = sizeof(ip);
1287
1288         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &nodemap);
1289         if (ret != 0) {
1290                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1291                 talloc_free(tmp_ctx);
1292                 return ret;
1293         }
1294
1295         nodes = list_of_active_nodes_except_pnn(ctdb, nodemap, tmp_ctx, pnn);
1296         ret = ctdb_client_async_control(ctdb, CTDB_CONTROL_RELEASE_IP,
1297                                         nodes, 0,
1298                                         LONGTIMELIMIT(),
1299                                         false, data,
1300                                         NULL, NULL,
1301                                         NULL);
1302         if (ret != 0) {
1303                 DEBUG(DEBUG_ERR,("Failed to release IP on nodes\n"));
1304                 talloc_free(tmp_ctx);
1305                 return -1;
1306         }
1307
1308         ret = ctdb_ctrl_takeover_ip(ctdb, LONGTIMELIMIT(), pnn, &ip);
1309         if (ret != 0) {
1310                 DEBUG(DEBUG_ERR,("Failed to take over IP on node %d\n", pnn));
1311                 talloc_free(tmp_ctx);
1312                 return -1;
1313         }
1314
1315         /* update the recovery daemon so it now knows to expect the new
1316            node assignment for this ip.
1317         */
1318         ret = ctdb_client_send_message(ctdb, CTDB_BROADCAST_CONNECTED, CTDB_SRVID_RECD_UPDATE_IP, data);
1319         if (ret != 0) {
1320                 DEBUG(DEBUG_ERR,("Failed to send message to update the ip on the recovery master.\n"));
1321                 return -1;
1322         }
1323
1324         talloc_free(tmp_ctx);
1325         return 0;
1326 }
1327
1328 /*
1329   move/failover an ip address to a specific node
1330  */
1331 static int control_moveip(struct ctdb_context *ctdb, int argc, const char **argv)
1332 {
1333         uint32_t pnn;
1334         ctdb_sock_addr addr;
1335
1336         if (argc < 2) {
1337                 usage();
1338                 return -1;
1339         }
1340
1341         if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
1342                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
1343                 return -1;
1344         }
1345
1346
1347         if (sscanf(argv[1], "%u", &pnn) != 1) {
1348                 DEBUG(DEBUG_ERR, ("Badly formed pnn\n"));
1349                 return -1;
1350         }
1351
1352         if (move_ip(ctdb, &addr, pnn) != 0) {
1353                 DEBUG(DEBUG_ERR,("Failed to move ip to node %d\n", pnn));
1354                 return -1;
1355         }
1356
1357         return 0;
1358 }
1359
1360 void getips_store_callback(void *param, void *data)
1361 {
1362         struct ctdb_public_ip *node_ip = (struct ctdb_public_ip *)data;
1363         struct ctdb_all_public_ips *ips = param;
1364         int i;
1365
1366         i = ips->num++;
1367         ips->ips[i].pnn  = node_ip->pnn;
1368         ips->ips[i].addr = node_ip->addr;
1369 }
1370
1371 void getips_count_callback(void *param, void *data)
1372 {
1373         uint32_t *count = param;
1374
1375         (*count)++;
1376 }
1377
1378 #define IP_KEYLEN       4
1379 static uint32_t *ip_key(ctdb_sock_addr *ip)
1380 {
1381         static uint32_t key[IP_KEYLEN];
1382
1383         bzero(key, sizeof(key));
1384
1385         switch (ip->sa.sa_family) {
1386         case AF_INET:
1387                 key[0]  = ip->ip.sin_addr.s_addr;
1388                 break;
1389         case AF_INET6:
1390                 key[0]  = ip->ip6.sin6_addr.s6_addr32[3];
1391                 key[1]  = ip->ip6.sin6_addr.s6_addr32[2];
1392                 key[2]  = ip->ip6.sin6_addr.s6_addr32[1];
1393                 key[3]  = ip->ip6.sin6_addr.s6_addr32[0];
1394                 break;
1395         default:
1396                 DEBUG(DEBUG_ERR, (__location__ " ERROR, unknown family passed :%u\n", ip->sa.sa_family));
1397                 return key;
1398         }
1399
1400         return key;
1401 }
1402
1403 static void *add_ip_callback(void *parm, void *data)
1404 {
1405         return parm;
1406 }
1407
1408 static int
1409 control_get_all_public_ips(struct ctdb_context *ctdb, TALLOC_CTX *tmp_ctx, struct ctdb_all_public_ips **ips)
1410 {
1411         struct ctdb_all_public_ips *tmp_ips;
1412         struct ctdb_node_map *nodemap=NULL;
1413         trbt_tree_t *ip_tree;
1414         int i, j, len, ret;
1415         uint32_t count;
1416
1417         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
1418         if (ret != 0) {
1419                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1420                 return ret;
1421         }
1422
1423         ip_tree = trbt_create(tmp_ctx, 0);
1424
1425         for(i=0;i<nodemap->num;i++){
1426                 if (nodemap->nodes[i].flags & NODE_FLAGS_DELETED) {
1427                         continue;
1428                 }
1429                 if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
1430                         continue;
1431                 }
1432
1433                 /* read the public ip list from this node */
1434                 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &tmp_ips);
1435                 if (ret != 0) {
1436                         DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", nodemap->nodes[i].pnn));
1437                         return -1;
1438                 }
1439
1440                 for (j=0; j<tmp_ips->num;j++) {
1441                         struct ctdb_public_ip *node_ip;
1442
1443                         node_ip = talloc(tmp_ctx, struct ctdb_public_ip);
1444                         node_ip->pnn  = tmp_ips->ips[j].pnn;
1445                         node_ip->addr = tmp_ips->ips[j].addr;
1446
1447                         trbt_insertarray32_callback(ip_tree,
1448                                 IP_KEYLEN, ip_key(&tmp_ips->ips[j].addr),
1449                                 add_ip_callback,
1450                                 node_ip);
1451                 }
1452                 talloc_free(tmp_ips);
1453         }
1454
1455         /* traverse */
1456         count = 0;
1457         trbt_traversearray32(ip_tree, IP_KEYLEN, getips_count_callback, &count);
1458
1459         len = offsetof(struct ctdb_all_public_ips, ips) +
1460                 count*sizeof(struct ctdb_public_ip);
1461         tmp_ips = talloc_zero_size(tmp_ctx, len);
1462         trbt_traversearray32(ip_tree, IP_KEYLEN, getips_store_callback, tmp_ips);
1463
1464         *ips = tmp_ips;
1465
1466         return 0;
1467 }
1468
1469
1470 /*
1471  * scans all other nodes and returns a pnn for another node that can host this
1472  * ip address or -1
1473  */
1474 static int
1475 find_other_host_for_public_ip(struct ctdb_context *ctdb, ctdb_sock_addr *addr)
1476 {
1477         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1478         struct ctdb_all_public_ips *ips;
1479         struct ctdb_node_map *nodemap=NULL;
1480         int i, j, ret;
1481
1482         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
1483         if (ret != 0) {
1484                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1485                 talloc_free(tmp_ctx);
1486                 return ret;
1487         }
1488
1489         for(i=0;i<nodemap->num;i++){
1490                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
1491                         continue;
1492                 }
1493                 if (nodemap->nodes[i].pnn == options.pnn) {
1494                         continue;
1495                 }
1496
1497                 /* read the public ip list from this node */
1498                 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &ips);
1499                 if (ret != 0) {
1500                         DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", nodemap->nodes[i].pnn));
1501                         return -1;
1502                 }
1503
1504                 for (j=0;j<ips->num;j++) {
1505                         if (ctdb_same_ip(addr, &ips->ips[j].addr)) {
1506                                 talloc_free(tmp_ctx);
1507                                 return nodemap->nodes[i].pnn;
1508                         }
1509                 }
1510                 talloc_free(ips);
1511         }
1512
1513         talloc_free(tmp_ctx);
1514         return -1;
1515 }
1516
1517 /*
1518   add a public ip address to a node
1519  */
1520 static int control_addip(struct ctdb_context *ctdb, int argc, const char **argv)
1521 {
1522         int i, ret;
1523         int len;
1524         uint32_t pnn;
1525         unsigned mask;
1526         ctdb_sock_addr addr;
1527         struct ctdb_control_ip_iface *pub;
1528         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1529         struct ctdb_all_public_ips *ips;
1530
1531
1532         if (argc != 2) {
1533                 talloc_free(tmp_ctx);
1534                 usage();
1535         }
1536
1537         if (!parse_ip_mask(argv[0], argv[1], &addr, &mask)) {
1538                 DEBUG(DEBUG_ERR, ("Badly formed ip/mask : %s\n", argv[0]));
1539                 talloc_free(tmp_ctx);
1540                 return -1;
1541         }
1542
1543         ret = control_get_all_public_ips(ctdb, tmp_ctx, &ips);
1544         if (ret != 0) {
1545                 DEBUG(DEBUG_ERR, ("Unable to get public ip list from cluster\n"));
1546                 talloc_free(tmp_ctx);
1547                 return ret;
1548         }
1549
1550
1551         /* check if some other node is already serving this ip, if not,
1552          * we will claim it
1553          */
1554         for (i=0;i<ips->num;i++) {
1555                 if (ctdb_same_ip(&addr, &ips->ips[i].addr)) {
1556                         break;
1557                 }
1558         }
1559
1560         len = offsetof(struct ctdb_control_ip_iface, iface) + strlen(argv[1]) + 1;
1561         pub = talloc_size(tmp_ctx, len);
1562         CTDB_NO_MEMORY(ctdb, pub);
1563
1564         pub->addr  = addr;
1565         pub->mask  = mask;
1566         pub->len   = strlen(argv[1])+1;
1567         memcpy(&pub->iface[0], argv[1], strlen(argv[1])+1);
1568
1569         ret = ctdb_ctrl_add_public_ip(ctdb, TIMELIMIT(), options.pnn, pub);
1570         if (ret != 0) {
1571                 DEBUG(DEBUG_ERR, ("Unable to add public ip to node %u\n", options.pnn));
1572                 talloc_free(tmp_ctx);
1573                 return ret;
1574         }
1575
1576         if (i == ips->num) {
1577                 /* no one has this ip so we claim it */
1578                 pnn  = options.pnn;
1579         } else {
1580                 pnn  = ips->ips[i].pnn;
1581         }
1582
1583         if (move_ip(ctdb, &addr, pnn) != 0) {
1584                 DEBUG(DEBUG_ERR,("Failed to move ip to node %d\n", pnn));
1585                 return -1;
1586         }
1587
1588         talloc_free(tmp_ctx);
1589         return 0;
1590 }
1591
1592 static int control_delip(struct ctdb_context *ctdb, int argc, const char **argv);
1593
1594 static int control_delip_all(struct ctdb_context *ctdb, int argc, const char **argv, ctdb_sock_addr *addr)
1595 {
1596         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1597         struct ctdb_node_map *nodemap=NULL;
1598         struct ctdb_all_public_ips *ips;
1599         int ret, i, j;
1600
1601         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
1602         if (ret != 0) {
1603                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from current node\n"));
1604                 return ret;
1605         }
1606
1607         /* remove it from the nodes that are not hosting the ip currently */
1608         for(i=0;i<nodemap->num;i++){
1609                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
1610                         continue;
1611                 }
1612                 if (ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &ips) != 0) {
1613                         DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %d\n", nodemap->nodes[i].pnn));
1614                         continue;
1615                 }
1616
1617                 for (j=0;j<ips->num;j++) {
1618                         if (ctdb_same_ip(addr, &ips->ips[j].addr)) {
1619                                 break;
1620                         }
1621                 }
1622                 if (j==ips->num) {
1623                         continue;
1624                 }
1625
1626                 if (ips->ips[j].pnn == nodemap->nodes[i].pnn) {
1627                         continue;
1628                 }
1629
1630                 options.pnn = nodemap->nodes[i].pnn;
1631                 control_delip(ctdb, argc, argv);
1632         }
1633
1634
1635         /* remove it from every node (also the one hosting it) */
1636         for(i=0;i<nodemap->num;i++){
1637                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
1638                         continue;
1639                 }
1640                 if (ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &ips) != 0) {
1641                         DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %d\n", nodemap->nodes[i].pnn));
1642                         continue;
1643                 }
1644
1645                 for (j=0;j<ips->num;j++) {
1646                         if (ctdb_same_ip(addr, &ips->ips[j].addr)) {
1647                                 break;
1648                         }
1649                 }
1650                 if (j==ips->num) {
1651                         continue;
1652                 }
1653
1654                 options.pnn = nodemap->nodes[i].pnn;
1655                 control_delip(ctdb, argc, argv);
1656         }
1657
1658         talloc_free(tmp_ctx);
1659         return 0;
1660 }
1661
1662 /*
1663   delete a public ip address from a node
1664  */
1665 static int control_delip(struct ctdb_context *ctdb, int argc, const char **argv)
1666 {
1667         int i, ret;
1668         ctdb_sock_addr addr;
1669         struct ctdb_control_ip_iface pub;
1670         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1671         struct ctdb_all_public_ips *ips;
1672
1673         if (argc != 1) {
1674                 talloc_free(tmp_ctx);
1675                 usage();
1676         }
1677
1678         if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
1679                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
1680                 return -1;
1681         }
1682
1683         if (options.pnn == CTDB_BROADCAST_ALL) {
1684                 return control_delip_all(ctdb, argc, argv, &addr);
1685         }
1686
1687         pub.addr  = addr;
1688         pub.mask  = 0;
1689         pub.len   = 0;
1690
1691         ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &ips);
1692         if (ret != 0) {
1693                 DEBUG(DEBUG_ERR, ("Unable to get public ip list from cluster\n"));
1694                 talloc_free(tmp_ctx);
1695                 return ret;
1696         }
1697
1698         for (i=0;i<ips->num;i++) {
1699                 if (ctdb_same_ip(&addr, &ips->ips[i].addr)) {
1700                         break;
1701                 }
1702         }
1703
1704         if (i==ips->num) {
1705                 DEBUG(DEBUG_ERR, ("This node does not support this public address '%s'\n",
1706                         ctdb_addr_to_str(&addr)));
1707                 talloc_free(tmp_ctx);
1708                 return -1;
1709         }
1710
1711         if (ips->ips[i].pnn == options.pnn) {
1712                 ret = find_other_host_for_public_ip(ctdb, &addr);
1713                 if (ret != -1) {
1714                         if (move_ip(ctdb, &addr, ret) != 0) {
1715                                 DEBUG(DEBUG_ERR,("Failed to move ip to node %d\n", ret));
1716                                 return -1;
1717                         }
1718                 }
1719         }
1720
1721         ret = ctdb_ctrl_del_public_ip(ctdb, TIMELIMIT(), options.pnn, &pub);
1722         if (ret != 0) {
1723                 DEBUG(DEBUG_ERR, ("Unable to del public ip from node %u\n", options.pnn));
1724                 talloc_free(tmp_ctx);
1725                 return ret;
1726         }
1727
1728         talloc_free(tmp_ctx);
1729         return 0;
1730 }
1731
1732 /*
1733   kill a tcp connection
1734  */
1735 static int kill_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
1736 {
1737         int ret;
1738         struct ctdb_control_killtcp killtcp;
1739
1740         if (argc < 2) {
1741                 usage();
1742         }
1743
1744         if (!parse_ip_port(argv[0], &killtcp.src_addr)) {
1745                 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[0]));
1746                 return -1;
1747         }
1748
1749         if (!parse_ip_port(argv[1], &killtcp.dst_addr)) {
1750                 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[1]));
1751                 return -1;
1752         }
1753
1754         ret = ctdb_ctrl_killtcp(ctdb, TIMELIMIT(), options.pnn, &killtcp);
1755         if (ret != 0) {
1756                 DEBUG(DEBUG_ERR, ("Unable to killtcp from node %u\n", options.pnn));
1757                 return ret;
1758         }
1759
1760         return 0;
1761 }
1762
1763
1764 /*
1765   send a gratious arp
1766  */
1767 static int control_gratious_arp(struct ctdb_context *ctdb, int argc, const char **argv)
1768 {
1769         int ret;
1770         ctdb_sock_addr addr;
1771
1772         if (argc < 2) {
1773                 usage();
1774         }
1775
1776         if (!parse_ip(argv[0], NULL, 0, &addr)) {
1777                 DEBUG(DEBUG_ERR, ("Bad IP '%s'\n", argv[0]));
1778                 return -1;
1779         }
1780
1781         ret = ctdb_ctrl_gratious_arp(ctdb, TIMELIMIT(), options.pnn, &addr, argv[1]);
1782         if (ret != 0) {
1783                 DEBUG(DEBUG_ERR, ("Unable to send gratious_arp from node %u\n", options.pnn));
1784                 return ret;
1785         }
1786
1787         return 0;
1788 }
1789
1790 /*
1791   register a server id
1792  */
1793 static int regsrvid(struct ctdb_context *ctdb, int argc, const char **argv)
1794 {
1795         int ret;
1796         struct ctdb_server_id server_id;
1797
1798         if (argc < 3) {
1799                 usage();
1800         }
1801
1802         server_id.pnn       = strtoul(argv[0], NULL, 0);
1803         server_id.type      = strtoul(argv[1], NULL, 0);
1804         server_id.server_id = strtoul(argv[2], NULL, 0);
1805
1806         ret = ctdb_ctrl_register_server_id(ctdb, TIMELIMIT(), &server_id);
1807         if (ret != 0) {
1808                 DEBUG(DEBUG_ERR, ("Unable to register server_id from node %u\n", options.pnn));
1809                 return ret;
1810         }
1811         DEBUG(DEBUG_ERR,("Srvid registered. Sleeping for 999 seconds\n"));
1812         sleep(999);
1813         return -1;
1814 }
1815
1816 /*
1817   unregister a server id
1818  */
1819 static int unregsrvid(struct ctdb_context *ctdb, int argc, const char **argv)
1820 {
1821         int ret;
1822         struct ctdb_server_id server_id;
1823
1824         if (argc < 3) {
1825                 usage();
1826         }
1827
1828         server_id.pnn       = strtoul(argv[0], NULL, 0);
1829         server_id.type      = strtoul(argv[1], NULL, 0);
1830         server_id.server_id = strtoul(argv[2], NULL, 0);
1831
1832         ret = ctdb_ctrl_unregister_server_id(ctdb, TIMELIMIT(), &server_id);
1833         if (ret != 0) {
1834                 DEBUG(DEBUG_ERR, ("Unable to unregister server_id from node %u\n", options.pnn));
1835                 return ret;
1836         }
1837         return -1;
1838 }
1839
1840 /*
1841   check if a server id exists
1842  */
1843 static int chksrvid(struct ctdb_context *ctdb, int argc, const char **argv)
1844 {
1845         uint32_t status;
1846         int ret;
1847         struct ctdb_server_id server_id;
1848
1849         if (argc < 3) {
1850                 usage();
1851         }
1852
1853         server_id.pnn       = strtoul(argv[0], NULL, 0);
1854         server_id.type      = strtoul(argv[1], NULL, 0);
1855         server_id.server_id = strtoul(argv[2], NULL, 0);
1856
1857         ret = ctdb_ctrl_check_server_id(ctdb, TIMELIMIT(), options.pnn, &server_id, &status);
1858         if (ret != 0) {
1859                 DEBUG(DEBUG_ERR, ("Unable to check server_id from node %u\n", options.pnn));
1860                 return ret;
1861         }
1862
1863         if (status) {
1864                 printf("Server id %d:%d:%d EXISTS\n", server_id.pnn, server_id.type, server_id.server_id);
1865         } else {
1866                 printf("Server id %d:%d:%d does NOT exist\n", server_id.pnn, server_id.type, server_id.server_id);
1867         }
1868         return 0;
1869 }
1870
1871 /*
1872   get a list of all server ids that are registered on a node
1873  */
1874 static int getsrvids(struct ctdb_context *ctdb, int argc, const char **argv)
1875 {
1876         int i, ret;
1877         struct ctdb_server_id_list *server_ids;
1878
1879         ret = ctdb_ctrl_get_server_id_list(ctdb, ctdb, TIMELIMIT(), options.pnn, &server_ids);
1880         if (ret != 0) {
1881                 DEBUG(DEBUG_ERR, ("Unable to get server_id list from node %u\n", options.pnn));
1882                 return ret;
1883         }
1884
1885         for (i=0; i<server_ids->num; i++) {
1886                 printf("Server id %d:%d:%d\n",
1887                         server_ids->server_ids[i].pnn,
1888                         server_ids->server_ids[i].type,
1889                         server_ids->server_ids[i].server_id);
1890         }
1891
1892         return -1;
1893 }
1894
1895 /*
1896   send a tcp tickle ack
1897  */
1898 static int tickle_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
1899 {
1900         int ret;
1901         ctdb_sock_addr  src, dst;
1902
1903         if (argc < 2) {
1904                 usage();
1905         }
1906
1907         if (!parse_ip_port(argv[0], &src)) {
1908                 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[0]));
1909                 return -1;
1910         }
1911
1912         if (!parse_ip_port(argv[1], &dst)) {
1913                 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[1]));
1914                 return -1;
1915         }
1916
1917         ret = ctdb_sys_send_tcp(&src, &dst, 0, 0, 0);
1918         if (ret==0) {
1919                 return 0;
1920         }
1921         DEBUG(DEBUG_ERR, ("Error while sending tickle ack\n"));
1922
1923         return -1;
1924 }
1925
1926
1927 /*
1928   display public ip status
1929  */
1930 static int control_ip(struct ctdb_context *ctdb, int argc, const char **argv)
1931 {
1932         int i, ret;
1933         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1934         struct ctdb_all_public_ips *ips;
1935
1936         if (options.pnn == CTDB_BROADCAST_ALL) {
1937                 /* read the list of public ips from all nodes */
1938                 ret = control_get_all_public_ips(ctdb, tmp_ctx, &ips);
1939         } else {
1940                 /* read the public ip list from this node */
1941                 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &ips);
1942         }
1943         if (ret != 0) {
1944                 DEBUG(DEBUG_ERR, ("Unable to get public ips from node %u\n", options.pnn));
1945                 talloc_free(tmp_ctx);
1946                 return ret;
1947         }
1948
1949         if (options.machinereadable){
1950                 printf(":Public IP:Node:");
1951                 if (options.verbose){
1952                         printf("ActiveInterface:AvailableInterfaces:ConfiguredInterfaces:");
1953                 }
1954                 printf("\n");
1955         } else {
1956                 if (options.pnn == CTDB_BROADCAST_ALL) {
1957                         printf("Public IPs on ALL nodes\n");
1958                 } else {
1959                         printf("Public IPs on node %u\n", options.pnn);
1960                 }
1961         }
1962
1963         for (i=1;i<=ips->num;i++) {
1964                 struct ctdb_control_public_ip_info *info = NULL;
1965                 int32_t pnn;
1966                 char *aciface = NULL;
1967                 char *avifaces = NULL;
1968                 char *cifaces = NULL;
1969
1970                 if (options.pnn == CTDB_BROADCAST_ALL) {
1971                         pnn = ips->ips[ips->num-i].pnn;
1972                 } else {
1973                         pnn = options.pnn;
1974                 }
1975
1976                 if (pnn != -1) {
1977                         ret = ctdb_ctrl_get_public_ip_info(ctdb, TIMELIMIT(), pnn, ctdb,
1978                                                    &ips->ips[ips->num-i].addr, &info);
1979                 } else {
1980                         ret = -1;
1981                 }
1982
1983                 if (ret == 0) {
1984                         int j;
1985                         for (j=0; j < info->num; j++) {
1986                                 if (cifaces == NULL) {
1987                                         cifaces = talloc_strdup(info,
1988                                                                 info->ifaces[j].name);
1989                                 } else {
1990                                         cifaces = talloc_asprintf_append(cifaces,
1991                                                                          ",%s",
1992                                                                          info->ifaces[j].name);
1993                                 }
1994
1995                                 if (info->active_idx == j) {
1996                                         aciface = info->ifaces[j].name;
1997                                 }
1998
1999                                 if (info->ifaces[j].link_state == 0) {
2000                                         continue;
2001                                 }
2002
2003                                 if (avifaces == NULL) {
2004                                         avifaces = talloc_strdup(info, info->ifaces[j].name);
2005                                 } else {
2006                                         avifaces = talloc_asprintf_append(avifaces,
2007                                                                           ",%s",
2008                                                                           info->ifaces[j].name);
2009                                 }
2010                         }
2011                 }
2012
2013                 if (options.machinereadable){
2014                         printf(":%s:%d:",
2015                                 ctdb_addr_to_str(&ips->ips[ips->num-i].addr),
2016                                 ips->ips[ips->num-i].pnn);
2017                         if (options.verbose){
2018                                 printf("%s:%s:%s:",
2019                                         aciface?aciface:"",
2020                                         avifaces?avifaces:"",
2021                                         cifaces?cifaces:"");
2022                         }
2023                         printf("\n");
2024                 } else {
2025                         if (options.verbose) {
2026                                 printf("%s node[%d] active[%s] available[%s] configured[%s]\n",
2027                                         ctdb_addr_to_str(&ips->ips[ips->num-i].addr),
2028                                         ips->ips[ips->num-i].pnn,
2029                                         aciface?aciface:"",
2030                                         avifaces?avifaces:"",
2031                                         cifaces?cifaces:"");
2032                         } else {
2033                                 printf("%s %d\n",
2034                                         ctdb_addr_to_str(&ips->ips[ips->num-i].addr),
2035                                         ips->ips[ips->num-i].pnn);
2036                         }
2037                 }
2038                 talloc_free(info);
2039         }
2040
2041         talloc_free(tmp_ctx);
2042         return 0;
2043 }
2044
2045 /*
2046   public ip info
2047  */
2048 static int control_ipinfo(struct ctdb_context *ctdb, int argc, const char **argv)
2049 {
2050         int i, ret;
2051         ctdb_sock_addr addr;
2052         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
2053         struct ctdb_control_public_ip_info *info;
2054
2055         if (argc != 1) {
2056                 talloc_free(tmp_ctx);
2057                 usage();
2058         }
2059
2060         if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
2061                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
2062                 return -1;
2063         }
2064
2065         /* read the public ip info from this node */
2066         ret = ctdb_ctrl_get_public_ip_info(ctdb, TIMELIMIT(), options.pnn,
2067                                            tmp_ctx, &addr, &info);
2068         if (ret != 0) {
2069                 DEBUG(DEBUG_ERR, ("Unable to get public ip[%s]info from node %u\n",
2070                                   argv[0], options.pnn));
2071                 talloc_free(tmp_ctx);
2072                 return ret;
2073         }
2074
2075         printf("Public IP[%s] info on node %u\n",
2076                ctdb_addr_to_str(&info->ip.addr),
2077                options.pnn);
2078
2079         printf("IP:%s\nCurrentNode:%d\nNumInterfaces:%u\n",
2080                ctdb_addr_to_str(&info->ip.addr),
2081                info->ip.pnn, info->num);
2082
2083         for (i=0; i<info->num; i++) {
2084                 info->ifaces[i].name[CTDB_IFACE_SIZE] = '\0';
2085
2086                 printf("Interface[%u]: Name:%s Link:%s References:%u%s\n",
2087                        i+1, info->ifaces[i].name,
2088                        info->ifaces[i].link_state?"up":"down",
2089                        (unsigned int)info->ifaces[i].references,
2090                        (i==info->active_idx)?" (active)":"");
2091         }
2092
2093         talloc_free(tmp_ctx);
2094         return 0;
2095 }
2096
2097 /*
2098   display interfaces status
2099  */
2100 static int control_ifaces(struct ctdb_context *ctdb, int argc, const char **argv)
2101 {
2102         int i, ret;
2103         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
2104         struct ctdb_control_get_ifaces *ifaces;
2105
2106         /* read the public ip list from this node */
2107         ret = ctdb_ctrl_get_ifaces(ctdb, TIMELIMIT(), options.pnn,
2108                                    tmp_ctx, &ifaces);
2109         if (ret != 0) {
2110                 DEBUG(DEBUG_ERR, ("Unable to get interfaces from node %u\n",
2111                                   options.pnn));
2112                 talloc_free(tmp_ctx);
2113                 return ret;
2114         }
2115
2116         if (options.machinereadable){
2117                 printf(":Name:LinkStatus:References:\n");
2118         } else {
2119                 printf("Interfaces on node %u\n", options.pnn);
2120         }
2121
2122         for (i=0; i<ifaces->num; i++) {
2123                 if (options.machinereadable){
2124                         printf(":%s:%s:%u\n",
2125                                ifaces->ifaces[i].name,
2126                                ifaces->ifaces[i].link_state?"1":"0",
2127                                (unsigned int)ifaces->ifaces[i].references);
2128                 } else {
2129                         printf("name:%s link:%s references:%u\n",
2130                                ifaces->ifaces[i].name,
2131                                ifaces->ifaces[i].link_state?"up":"down",
2132                                (unsigned int)ifaces->ifaces[i].references);
2133                 }
2134         }
2135
2136         talloc_free(tmp_ctx);
2137         return 0;
2138 }
2139
2140
2141 /*
2142   set link status of an interface
2143  */
2144 static int control_setifacelink(struct ctdb_context *ctdb, int argc, const char **argv)
2145 {
2146         int ret;
2147         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
2148         struct ctdb_control_iface_info info;
2149
2150         ZERO_STRUCT(info);
2151
2152         if (argc != 2) {
2153                 usage();
2154         }
2155
2156         if (strlen(argv[0]) > CTDB_IFACE_SIZE) {
2157                 DEBUG(DEBUG_ERR, ("interfaces name '%s' too long\n",
2158                                   argv[0]));
2159                 talloc_free(tmp_ctx);
2160                 return -1;
2161         }
2162         strcpy(info.name, argv[0]);
2163
2164         if (strcmp(argv[1], "up") == 0) {
2165                 info.link_state = 1;
2166         } else if (strcmp(argv[1], "down") == 0) {
2167                 info.link_state = 0;
2168         } else {
2169                 DEBUG(DEBUG_ERR, ("link state invalid '%s' should be 'up' or 'down'\n",
2170                                   argv[1]));
2171                 talloc_free(tmp_ctx);
2172                 return -1;
2173         }
2174
2175         /* read the public ip list from this node */
2176         ret = ctdb_ctrl_set_iface_link(ctdb, TIMELIMIT(), options.pnn,
2177                                    tmp_ctx, &info);
2178         if (ret != 0) {
2179                 DEBUG(DEBUG_ERR, ("Unable to set link state for interfaces %s node %u\n",
2180                                   argv[0], options.pnn));
2181                 talloc_free(tmp_ctx);
2182                 return ret;
2183         }
2184
2185         talloc_free(tmp_ctx);
2186         return 0;
2187 }
2188
2189 /*
2190   display pid of a ctdb daemon
2191  */
2192 static int control_getpid(struct ctdb_context *ctdb, int argc, const char **argv)
2193 {
2194         uint32_t pid;
2195         int ret;
2196
2197         ret = ctdb_ctrl_getpid(ctdb, TIMELIMIT(), options.pnn, &pid);
2198         if (ret != 0) {
2199                 DEBUG(DEBUG_ERR, ("Unable to get daemon pid from node %u\n", options.pnn));
2200                 return ret;
2201         }
2202         printf("Pid:%d\n", pid);
2203
2204         return 0;
2205 }
2206
2207 static uint32_t ipreallocate_finished;
2208
2209 /*
2210   handler for receiving the response to ipreallocate
2211 */
2212 static void ip_reallocate_handler(struct ctdb_context *ctdb, uint64_t srvid,
2213                              TDB_DATA data, void *private_data)
2214 {
2215         ipreallocate_finished = 1;
2216 }
2217
2218 static void ctdb_every_second(struct event_context *ev, struct timed_event *te, struct timeval t, void *p)
2219 {
2220         struct ctdb_context *ctdb = talloc_get_type(p, struct ctdb_context);
2221
2222         event_add_timed(ctdb->ev, ctdb,
2223                                 timeval_current_ofs(1, 0),
2224                                 ctdb_every_second, ctdb);
2225 }
2226
2227 /*
2228   ask the recovery daemon on the recovery master to perform a ip reallocation
2229  */
2230 static int control_ipreallocate(struct ctdb_context *ctdb, int argc, const char **argv)
2231 {
2232         int i, ret;
2233         TDB_DATA data;
2234         struct takeover_run_reply rd;
2235         uint32_t recmaster;
2236         struct ctdb_node_map *nodemap=NULL;
2237         int retries=0;
2238         struct timeval tv = timeval_current();
2239
2240         /* we need some events to trigger so we can timeout and restart
2241            the loop
2242         */
2243         event_add_timed(ctdb->ev, ctdb,
2244                                 timeval_current_ofs(1, 0),
2245                                 ctdb_every_second, ctdb);
2246
2247         rd.pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
2248         if (rd.pnn == -1) {
2249                 DEBUG(DEBUG_ERR, ("Failed to get pnn of local node\n"));
2250                 return -1;
2251         }
2252         rd.srvid = getpid();
2253
2254         /* register a message port for receiveing the reply so that we
2255            can receive the reply
2256         */
2257         ctdb_client_set_message_handler(ctdb, rd.srvid, ip_reallocate_handler, NULL);
2258
2259         data.dptr = (uint8_t *)&rd;
2260         data.dsize = sizeof(rd);
2261
2262 again:
2263         /* check that there are valid nodes available */
2264         if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap) != 0) {
2265                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2266                 return -1;
2267         }
2268         for (i=0; i<nodemap->num;i++) {
2269                 if ((nodemap->nodes[i].flags & (NODE_FLAGS_DELETED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)) == 0) {
2270                         break;
2271                 }
2272         }
2273         if (i==nodemap->num) {
2274                 DEBUG(DEBUG_ERR,("No recmaster available, no need to wait for cluster convergence\n"));
2275                 return 0;
2276         }
2277
2278
2279         ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
2280         if (ret != 0) {
2281                 DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
2282                 return ret;
2283         }
2284
2285         /* verify the node exists */
2286         if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), recmaster, ctdb, &nodemap) != 0) {
2287                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2288                 return -1;
2289         }
2290
2291
2292         /* check tha there are nodes available that can act as a recmaster */
2293         for (i=0; i<nodemap->num; i++) {
2294                 if (nodemap->nodes[i].flags & (NODE_FLAGS_DELETED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)) {
2295                         continue;
2296                 }
2297                 break;
2298         }
2299         if (i == nodemap->num) {
2300                 DEBUG(DEBUG_ERR,("No possible nodes to host addresses.\n"));
2301                 return 0;
2302         }
2303
2304         /* verify the recovery master is not STOPPED, nor BANNED */
2305         if (nodemap->nodes[recmaster].flags & (NODE_FLAGS_DELETED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)) {
2306                 DEBUG(DEBUG_ERR,("No suitable recmaster found. Try again\n"));
2307                 retries++;
2308                 sleep(1);
2309                 goto again;
2310         }
2311
2312
2313         /* verify the recovery master is not STOPPED, nor BANNED */
2314         if (nodemap->nodes[recmaster].flags & (NODE_FLAGS_DELETED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)) {
2315                 DEBUG(DEBUG_ERR,("No suitable recmaster found. Try again\n"));
2316                 retries++;
2317                 sleep(1);
2318                 goto again;
2319         }
2320
2321         ipreallocate_finished = 0;
2322         ret = ctdb_client_send_message(ctdb, recmaster, CTDB_SRVID_TAKEOVER_RUN, data);
2323         if (ret != 0) {
2324                 DEBUG(DEBUG_ERR,("Failed to send ip takeover run request message to %u\n", options.pnn));
2325                 return -1;
2326         }
2327
2328         tv = timeval_current();
2329         /* this loop will terminate when we have received the reply */
2330         while (timeval_elapsed(&tv) < 3.0) {
2331                 event_loop_once(ctdb->ev);
2332         }
2333         if (ipreallocate_finished == 1) {
2334                 return 0;
2335         }
2336
2337         retries++;
2338         sleep(1);
2339         goto again;
2340
2341         return 0;
2342 }
2343
2344
2345 /*
2346   disable a remote node
2347  */
2348 static int control_disable(struct ctdb_context *ctdb, int argc, const char **argv)
2349 {
2350         int ret;
2351         struct ctdb_node_map *nodemap=NULL;
2352
2353         /* check if the node is already disabled */
2354         if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2355                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2356                 exit(10);
2357         }
2358         if (nodemap->nodes[options.pnn].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
2359                 DEBUG(DEBUG_ERR,("Node %d is already disabled.\n", options.pnn));
2360                 return 0;
2361         }
2362
2363         do {
2364                 ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.pnn, NODE_FLAGS_PERMANENTLY_DISABLED, 0);
2365                 if (ret != 0) {
2366                         DEBUG(DEBUG_ERR, ("Unable to disable node %u\n", options.pnn));
2367                         return ret;
2368                 }
2369
2370                 sleep(1);
2371
2372                 /* read the nodemap and verify the change took effect */
2373                 if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2374                         DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2375                         exit(10);
2376                 }
2377
2378         } while (!(nodemap->nodes[options.pnn].flags & NODE_FLAGS_PERMANENTLY_DISABLED));
2379         ret = control_ipreallocate(ctdb, argc, argv);
2380         if (ret != 0) {
2381                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2382                 return ret;
2383         }
2384
2385         return 0;
2386 }
2387
2388 /*
2389   enable a disabled remote node
2390  */
2391 static int control_enable(struct ctdb_context *ctdb, int argc, const char **argv)
2392 {
2393         int ret;
2394
2395         struct ctdb_node_map *nodemap=NULL;
2396
2397
2398         /* check if the node is already enabled */
2399         if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2400                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2401                 exit(10);
2402         }
2403         if (!(nodemap->nodes[options.pnn].flags & NODE_FLAGS_PERMANENTLY_DISABLED)) {
2404                 DEBUG(DEBUG_ERR,("Node %d is already enabled.\n", options.pnn));
2405                 return 0;
2406         }
2407
2408         do {
2409                 ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.pnn, 0, NODE_FLAGS_PERMANENTLY_DISABLED);
2410                 if (ret != 0) {
2411                         DEBUG(DEBUG_ERR, ("Unable to enable node %u\n", options.pnn));
2412                         return ret;
2413                 }
2414
2415                 sleep(1);
2416
2417                 /* read the nodemap and verify the change took effect */
2418                 if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2419                         DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2420                         exit(10);
2421                 }
2422
2423         } while (nodemap->nodes[options.pnn].flags & NODE_FLAGS_PERMANENTLY_DISABLED);
2424
2425         ret = control_ipreallocate(ctdb, argc, argv);
2426         if (ret != 0) {
2427                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2428                 return ret;
2429         }
2430
2431         return 0;
2432 }
2433
2434 /*
2435   stop a remote node
2436  */
2437 static int control_stop(struct ctdb_context *ctdb, int argc, const char **argv)
2438 {
2439         int ret;
2440         struct ctdb_node_map *nodemap=NULL;
2441
2442         do {
2443                 ret = ctdb_ctrl_stop_node(ctdb, TIMELIMIT(), options.pnn);
2444                 if (ret != 0) {
2445                         DEBUG(DEBUG_ERR, ("Unable to stop node %u   try again\n", options.pnn));
2446                 }
2447
2448                 sleep(1);
2449
2450                 /* read the nodemap and verify the change took effect */
2451                 if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2452                         DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2453                         exit(10);
2454                 }
2455
2456         } while (!(nodemap->nodes[options.pnn].flags & NODE_FLAGS_STOPPED));
2457         ret = control_ipreallocate(ctdb, argc, argv);
2458         if (ret != 0) {
2459                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2460                 return ret;
2461         }
2462
2463         return 0;
2464 }
2465
2466 /*
2467   restart a stopped remote node
2468  */
2469 static int control_continue(struct ctdb_context *ctdb, int argc, const char **argv)
2470 {
2471         int ret;
2472
2473         struct ctdb_node_map *nodemap=NULL;
2474
2475         do {
2476                 ret = ctdb_ctrl_continue_node(ctdb, TIMELIMIT(), options.pnn);
2477                 if (ret != 0) {
2478                         DEBUG(DEBUG_ERR, ("Unable to continue node %u\n", options.pnn));
2479                         return ret;
2480                 }
2481
2482                 sleep(1);
2483
2484                 /* read the nodemap and verify the change took effect */
2485                 if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2486                         DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2487                         exit(10);
2488                 }
2489
2490         } while (nodemap->nodes[options.pnn].flags & NODE_FLAGS_STOPPED);
2491         ret = control_ipreallocate(ctdb, argc, argv);
2492         if (ret != 0) {
2493                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2494                 return ret;
2495         }
2496
2497         return 0;
2498 }
2499
2500 static uint32_t get_generation(struct ctdb_context *ctdb)
2501 {
2502         struct ctdb_vnn_map *vnnmap=NULL;
2503         int ret;
2504
2505         /* wait until the recmaster is not in recovery mode */
2506         while (1) {
2507                 uint32_t recmode, recmaster;
2508
2509                 if (vnnmap != NULL) {
2510                         talloc_free(vnnmap);
2511                         vnnmap = NULL;
2512                 }
2513
2514                 /* get the recmaster */
2515                 ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, &recmaster);
2516                 if (ret != 0) {
2517                         DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
2518                         exit(10);
2519                 }
2520
2521                 /* get recovery mode */
2522                 ret = ctdb_ctrl_getrecmode(ctdb, ctdb, TIMELIMIT(), recmaster, &recmode);
2523                 if (ret != 0) {
2524                         DEBUG(DEBUG_ERR, ("Unable to get recmode from node %u\n", options.pnn));
2525                         exit(10);
2526                 }
2527
2528                 /* get the current generation number */
2529                 ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), recmaster, ctdb, &vnnmap);
2530                 if (ret != 0) {
2531                         DEBUG(DEBUG_ERR, ("Unable to get vnnmap from recmaster (%u)\n", recmaster));
2532                         exit(10);
2533                 }
2534
2535                 if ((recmode == CTDB_RECOVERY_NORMAL)
2536                 &&  (vnnmap->generation != 1)){
2537                         return vnnmap->generation;
2538                 }
2539                 sleep(1);
2540         }
2541 }
2542
2543 /*
2544   ban a node from the cluster
2545  */
2546 static int control_ban(struct ctdb_context *ctdb, int argc, const char **argv)
2547 {
2548         int ret;
2549         struct ctdb_node_map *nodemap=NULL;
2550         struct ctdb_ban_time bantime;
2551
2552         if (argc < 1) {
2553                 usage();
2554         }
2555
2556         /* verify the node exists */
2557         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
2558         if (ret != 0) {
2559                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2560                 return ret;
2561         }
2562
2563         if (nodemap->nodes[options.pnn].flags & NODE_FLAGS_BANNED) {
2564                 DEBUG(DEBUG_ERR,("Node %u is already banned.\n", options.pnn));
2565                 return -1;
2566         }
2567
2568         bantime.pnn  = options.pnn;
2569         bantime.time = strtoul(argv[0], NULL, 0);
2570
2571         ret = ctdb_ctrl_set_ban(ctdb, TIMELIMIT(), options.pnn, &bantime);
2572         if (ret != 0) {
2573                 DEBUG(DEBUG_ERR,("Banning node %d for %d seconds failed.\n", bantime.pnn, bantime.time));
2574                 return -1;
2575         }
2576
2577         ret = control_ipreallocate(ctdb, argc, argv);
2578         if (ret != 0) {
2579                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2580                 return ret;
2581         }
2582
2583         return 0;
2584 }
2585
2586
2587 /*
2588   unban a node from the cluster
2589  */
2590 static int control_unban(struct ctdb_context *ctdb, int argc, const char **argv)
2591 {
2592         int ret;
2593         struct ctdb_node_map *nodemap=NULL;
2594         struct ctdb_ban_time bantime;
2595
2596         /* verify the node exists */
2597         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
2598         if (ret != 0) {
2599                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2600                 return ret;
2601         }
2602
2603         if (!(nodemap->nodes[options.pnn].flags & NODE_FLAGS_BANNED)) {
2604                 DEBUG(DEBUG_ERR,("Node %u is not banned.\n", options.pnn));
2605                 return -1;
2606         }
2607
2608         bantime.pnn  = options.pnn;
2609         bantime.time = 0;
2610
2611         ret = ctdb_ctrl_set_ban(ctdb, TIMELIMIT(), options.pnn, &bantime);
2612         if (ret != 0) {
2613                 DEBUG(DEBUG_ERR,("Unbanning node %d failed.\n", bantime.pnn));
2614                 return -1;
2615         }
2616
2617         ret = control_ipreallocate(ctdb, argc, argv);
2618         if (ret != 0) {
2619                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2620                 return ret;
2621         }
2622
2623         return 0;
2624 }
2625
2626
2627 /*
2628   show ban information for a node
2629  */
2630 static int control_showban(struct ctdb_context *ctdb, int argc, const char **argv)
2631 {
2632         int ret;
2633         struct ctdb_node_map *nodemap=NULL;
2634         struct ctdb_ban_time *bantime;
2635
2636         /* verify the node exists */
2637         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
2638         if (ret != 0) {
2639                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2640                 return ret;
2641         }
2642
2643         ret = ctdb_ctrl_get_ban(ctdb, TIMELIMIT(), options.pnn, ctdb, &bantime);
2644         if (ret != 0) {
2645                 DEBUG(DEBUG_ERR,("Showing ban info for node %d failed.\n", options.pnn));
2646                 return -1;
2647         }
2648
2649         if (bantime->time == 0) {
2650                 printf("Node %u is not banned\n", bantime->pnn);
2651         } else {
2652                 printf("Node %u is banned banned for %d seconds\n", bantime->pnn, bantime->time);
2653         }
2654
2655         return 0;
2656 }
2657
2658 /*
2659   shutdown a daemon
2660  */
2661 static int control_shutdown(struct ctdb_context *ctdb, int argc, const char **argv)
2662 {
2663         int ret;
2664
2665         ret = ctdb_ctrl_shutdown(ctdb, TIMELIMIT(), options.pnn);
2666         if (ret != 0) {
2667                 DEBUG(DEBUG_ERR, ("Unable to shutdown node %u\n", options.pnn));
2668                 return ret;
2669         }
2670
2671         return 0;
2672 }
2673
2674 /*
2675   trigger a recovery
2676  */
2677 static int control_recover(struct ctdb_context *ctdb, int argc, const char **argv)
2678 {
2679         int ret;
2680         uint32_t generation, next_generation;
2681
2682         /* record the current generation number */
2683         generation = get_generation(ctdb);
2684
2685         ret = ctdb_ctrl_freeze_priority(ctdb, TIMELIMIT(), options.pnn, 1);
2686         if (ret != 0) {
2687                 DEBUG(DEBUG_ERR, ("Unable to freeze node\n"));
2688                 return ret;
2689         }
2690
2691         ret = ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
2692         if (ret != 0) {
2693                 DEBUG(DEBUG_ERR, ("Unable to set recovery mode\n"));
2694                 return ret;
2695         }
2696
2697         /* wait until we are in a new generation */
2698         while (1) {
2699                 next_generation = get_generation(ctdb);
2700                 if (next_generation != generation) {
2701                         return 0;
2702                 }
2703                 sleep(1);
2704         }
2705
2706         return 0;
2707 }
2708
2709
2710 /*
2711   display monitoring mode of a remote node
2712  */
2713 static int control_getmonmode(struct ctdb_context *ctdb, int argc, const char **argv)
2714 {
2715         uint32_t monmode;
2716         int ret;
2717
2718         ret = ctdb_ctrl_getmonmode(ctdb, TIMELIMIT(), options.pnn, &monmode);
2719         if (ret != 0) {
2720                 DEBUG(DEBUG_ERR, ("Unable to get monmode from node %u\n", options.pnn));
2721                 return ret;
2722         }
2723         if (!options.machinereadable){
2724                 printf("Monitoring mode:%s (%d)\n",monmode==CTDB_MONITORING_ACTIVE?"ACTIVE":"DISABLED",monmode);
2725         } else {
2726                 printf(":mode:\n");
2727                 printf(":%d:\n",monmode);
2728         }
2729         return 0;
2730 }
2731
2732
2733 /*
2734   display capabilities of a remote node
2735  */
2736 static int control_getcapabilities(struct ctdb_context *ctdb, int argc, const char **argv)
2737 {
2738         uint32_t capabilities;
2739         int ret;
2740
2741         ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), options.pnn, &capabilities);
2742         if (ret != 0) {
2743                 DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", options.pnn));
2744                 return ret;
2745         }
2746
2747         if (!options.machinereadable){
2748                 printf("RECMASTER: %s\n", (capabilities&CTDB_CAP_RECMASTER)?"YES":"NO");
2749                 printf("LMASTER: %s\n", (capabilities&CTDB_CAP_LMASTER)?"YES":"NO");
2750                 printf("LVS: %s\n", (capabilities&CTDB_CAP_LVS)?"YES":"NO");
2751                 printf("NATGW: %s\n", (capabilities&CTDB_CAP_NATGW)?"YES":"NO");
2752         } else {
2753                 printf(":RECMASTER:LMASTER:LVS:NATGW:\n");
2754                 printf(":%d:%d:%d:%d:\n",
2755                         !!(capabilities&CTDB_CAP_RECMASTER),
2756                         !!(capabilities&CTDB_CAP_LMASTER),
2757                         !!(capabilities&CTDB_CAP_LVS),
2758                         !!(capabilities&CTDB_CAP_NATGW));
2759         }
2760         return 0;
2761 }
2762
2763 /*
2764   display lvs configuration
2765  */
2766 static int control_lvs(struct ctdb_context *ctdb, int argc, const char **argv)
2767 {
2768         uint32_t *capabilities;
2769         struct ctdb_node_map *nodemap=NULL;
2770         int i, ret;
2771         int healthy_count = 0;
2772
2773         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
2774         if (ret != 0) {
2775                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
2776                 return ret;
2777         }
2778
2779         capabilities = talloc_array(ctdb, uint32_t, nodemap->num);
2780         CTDB_NO_MEMORY(ctdb, capabilities);
2781
2782         /* collect capabilities for all connected nodes */
2783         for (i=0; i<nodemap->num; i++) {
2784                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
2785                         continue;
2786                 }
2787                 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
2788                         continue;
2789                 }
2790
2791                 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), i, &capabilities[i]);
2792                 if (ret != 0) {
2793                         DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", i));
2794                         return ret;
2795                 }
2796
2797                 if (!(capabilities[i] & CTDB_CAP_LVS)) {
2798                         continue;
2799                 }
2800
2801                 if (!(nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY)) {
2802                         healthy_count++;
2803                 }
2804         }
2805
2806         /* Print all LVS nodes */
2807         for (i=0; i<nodemap->num; i++) {
2808                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
2809                         continue;
2810                 }
2811                 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
2812                         continue;
2813                 }
2814                 if (!(capabilities[i] & CTDB_CAP_LVS)) {
2815                         continue;
2816                 }
2817
2818                 if (healthy_count != 0) {
2819                         if (nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY) {
2820                                 continue;
2821                         }
2822                 }
2823
2824                 printf("%d:%s\n", i,
2825                         ctdb_addr_to_str(&nodemap->nodes[i].addr));
2826         }
2827
2828         return 0;
2829 }
2830
2831 /*
2832   display who is the lvs master
2833  */
2834 static int control_lvsmaster(struct ctdb_context *ctdb, int argc, const char **argv)
2835 {
2836         uint32_t *capabilities;
2837         struct ctdb_node_map *nodemap=NULL;
2838         int i, ret;
2839         int healthy_count = 0;
2840
2841         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
2842         if (ret != 0) {
2843                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
2844                 return ret;
2845         }
2846
2847         capabilities = talloc_array(ctdb, uint32_t, nodemap->num);
2848         CTDB_NO_MEMORY(ctdb, capabilities);
2849
2850         /* collect capabilities for all connected nodes */
2851         for (i=0; i<nodemap->num; i++) {
2852                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
2853                         continue;
2854                 }
2855                 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
2856                         continue;
2857                 }
2858
2859                 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), i, &capabilities[i]);
2860                 if (ret != 0) {
2861                         DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", i));
2862                         return ret;
2863                 }
2864
2865                 if (!(capabilities[i] & CTDB_CAP_LVS)) {
2866                         continue;
2867                 }
2868
2869                 if (!(nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY)) {
2870                         healthy_count++;
2871                 }
2872         }
2873
2874         /* find and show the lvsmaster */
2875         for (i=0; i<nodemap->num; i++) {
2876                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
2877                         continue;
2878                 }
2879                 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
2880                         continue;
2881                 }
2882                 if (!(capabilities[i] & CTDB_CAP_LVS)) {
2883                         continue;
2884                 }
2885
2886                 if (healthy_count != 0) {
2887                         if (nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY) {
2888                                 continue;
2889                         }
2890                 }
2891
2892                 if (options.machinereadable){
2893                         printf("%d\n", i);
2894                 } else {
2895                         printf("Node %d is LVS master\n", i);
2896                 }
2897                 return 0;
2898         }
2899
2900         printf("There is no LVS master\n");
2901         return -1;
2902 }
2903
2904 /*
2905   disable monitoring on a  node
2906  */
2907 static int control_disable_monmode(struct ctdb_context *ctdb, int argc, const char **argv)
2908 {
2909
2910         int ret;
2911
2912         ret = ctdb_ctrl_disable_monmode(ctdb, TIMELIMIT(), options.pnn);
2913         if (ret != 0) {
2914                 DEBUG(DEBUG_ERR, ("Unable to disable monmode on node %u\n", options.pnn));
2915                 return ret;
2916         }
2917         printf("Monitoring mode:%s\n","DISABLED");
2918
2919         return 0;
2920 }
2921
2922 /*
2923   enable monitoring on a  node
2924  */
2925 static int control_enable_monmode(struct ctdb_context *ctdb, int argc, const char **argv)
2926 {
2927
2928         int ret;
2929
2930         ret = ctdb_ctrl_enable_monmode(ctdb, TIMELIMIT(), options.pnn);
2931         if (ret != 0) {
2932                 DEBUG(DEBUG_ERR, ("Unable to enable monmode on node %u\n", options.pnn));
2933                 return ret;
2934         }
2935         printf("Monitoring mode:%s\n","ACTIVE");
2936
2937         return 0;
2938 }
2939
2940 /*
2941   display remote list of keys/data for a db
2942  */
2943 static int control_catdb(struct ctdb_context *ctdb, int argc, const char **argv)
2944 {
2945         const char *db_name;
2946         struct ctdb_db_context *ctdb_db;
2947         int ret;
2948         bool persistent;
2949
2950         if (argc < 1) {
2951                 usage();
2952         }
2953
2954         db_name = argv[0];
2955
2956
2957         if (db_exists(ctdb, db_name, &persistent)) {
2958                 DEBUG(DEBUG_ERR,("Database '%s' does not exist\n", db_name));
2959                 return -1;
2960         }
2961
2962         ctdb_db = ctdb_attach(ctdb, db_name, persistent, 0);
2963
2964         if (ctdb_db == NULL) {
2965                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
2966                 return -1;
2967         }
2968
2969         /* traverse and dump the cluster tdb */
2970         ret = ctdb_dump_db(ctdb_db, stdout);
2971         if (ret == -1) {
2972                 DEBUG(DEBUG_ERR, ("Unable to dump database\n"));
2973                 DEBUG(DEBUG_ERR, ("Maybe try 'ctdb getdbstatus %s'"
2974                                   " and 'ctdb getvar AllowUnhealthyDBRead'\n",
2975                                   db_name));
2976                 return -1;
2977         }
2978         talloc_free(ctdb_db);
2979
2980         printf("Dumped %d records\n", ret);
2981         return 0;
2982 }
2983
2984
2985 /*
2986   fetch a record from a persistent database
2987  */
2988 static int control_pfetch(struct ctdb_context *ctdb, int argc, const char **argv)
2989 {
2990         const char *db_name;
2991         struct ctdb_db_context *ctdb_db;
2992         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
2993         struct ctdb_transaction_handle *h;
2994         TDB_DATA key, data;
2995         int fd, ret;
2996
2997         if (argc < 2) {
2998                 talloc_free(tmp_ctx);
2999                 usage();
3000         }
3001
3002         db_name = argv[0];
3003
3004
3005         if (db_exists(ctdb, db_name, NULL)) {
3006                 DEBUG(DEBUG_ERR,("Database '%s' does not exist\n", db_name));
3007                 talloc_free(tmp_ctx);
3008                 return -1;
3009         }
3010
3011         ctdb_db = ctdb_attach(ctdb, db_name, true, 0);
3012
3013         if (ctdb_db == NULL) {
3014                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
3015                 talloc_free(tmp_ctx);
3016                 return -1;
3017         }
3018
3019         h = ctdb_transaction_start(ctdb_db, tmp_ctx);
3020         if (h == NULL) {
3021                 DEBUG(DEBUG_ERR,("Failed to start transaction on database %s\n", db_name));
3022                 talloc_free(tmp_ctx);
3023                 return -1;
3024         }
3025
3026         key.dptr  = discard_const(argv[1]);
3027         key.dsize = strlen(argv[1]);
3028         ret = ctdb_transaction_fetch(h, tmp_ctx, key, &data);
3029         if (ret != 0) {
3030                 DEBUG(DEBUG_ERR,("Failed to fetch record\n"));
3031                 talloc_free(tmp_ctx);
3032                 return -1;
3033         }
3034
3035         if (data.dsize == 0 || data.dptr == NULL) {
3036                 DEBUG(DEBUG_ERR,("Record is empty\n"));
3037                 talloc_free(tmp_ctx);
3038                 return -1;
3039         }
3040
3041         if (argc == 3) {
3042           fd = open(argv[2], O_WRONLY|O_CREAT|O_TRUNC, 0600);
3043                 if (fd == -1) {
3044                         DEBUG(DEBUG_ERR,("Failed to open output file %s\n", argv[2]));
3045                         talloc_free(tmp_ctx);
3046                         return -1;
3047                 }
3048                 write(fd, data.dptr, data.dsize);
3049                 close(fd);
3050         } else {
3051                 write(1, data.dptr, data.dsize);
3052         }
3053
3054         /* abort the transaction */
3055         talloc_free(h);
3056
3057
3058         talloc_free(tmp_ctx);
3059         return 0;
3060 }
3061
3062 /*
3063   fetch a record from a tdb-file
3064  */
3065 static int control_tfetch(struct ctdb_context *ctdb, int argc, const char **argv)
3066 {
3067         const char *tdb_file;
3068         TDB_CONTEXT *tdb;
3069         TDB_DATA key, data;
3070         int fd;
3071
3072         if (argc < 2) {
3073                 usage();
3074         }
3075
3076         tdb_file = argv[0];
3077
3078         tdb = tdb_open(tdb_file, 0, 0, O_RDONLY, 0);
3079         if (tdb == NULL) {
3080                 DEBUG(DEBUG_ERR,("Failed to open TDB file %s\n", tdb_file));
3081                 return -1;
3082         }
3083
3084         key.dptr  = discard_const(argv[1]);
3085         key.dsize = strlen(argv[1]);
3086         data = tdb_fetch(tdb, key);
3087         if (data.dptr == NULL || data.dsize < sizeof(struct ctdb_ltdb_header)) {
3088                 DEBUG(DEBUG_ERR,("Failed to read record %s from tdb %s\n", argv[1], tdb_file));
3089                 tdb_close(tdb);
3090                 return -1;
3091         }
3092
3093         tdb_close(tdb);
3094
3095         if (argc == 3) {
3096           fd = open(argv[2], O_WRONLY|O_CREAT|O_TRUNC, 0600);
3097                 if (fd == -1) {
3098                         DEBUG(DEBUG_ERR,("Failed to open output file %s\n", argv[2]));
3099                         return -1;
3100                 }
3101                 write(fd, data.dptr+sizeof(struct ctdb_ltdb_header), data.dsize-sizeof(struct ctdb_ltdb_header));
3102                 close(fd);
3103         } else {
3104                 write(1, data.dptr+sizeof(struct ctdb_ltdb_header), data.dsize-sizeof(struct ctdb_ltdb_header));
3105         }
3106
3107         return 0;
3108 }
3109
3110 /*
3111   write a record to a persistent database
3112  */
3113 static int control_pstore(struct ctdb_context *ctdb, int argc, const char **argv)
3114 {
3115         const char *db_name;
3116         struct ctdb_db_context *ctdb_db;
3117         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3118         struct ctdb_transaction_handle *h;
3119         struct stat st;
3120         TDB_DATA key, data;
3121         int fd, ret;
3122
3123         if (argc < 3) {
3124                 talloc_free(tmp_ctx);
3125                 usage();
3126         }
3127
3128         fd = open(argv[2], O_RDONLY);
3129         if (fd == -1) {
3130                 DEBUG(DEBUG_ERR,("Failed to open file containing record data : %s  %s\n", argv[2], strerror(errno)));
3131                 talloc_free(tmp_ctx);
3132                 return -1;
3133         }
3134
3135         ret = fstat(fd, &st);
3136         if (ret == -1) {
3137                 DEBUG(DEBUG_ERR,("fstat of file %s failed: %s\n", argv[2], strerror(errno)));
3138                 close(fd);
3139                 talloc_free(tmp_ctx);
3140                 return -1;
3141         }
3142
3143         if (!S_ISREG(st.st_mode)) {
3144                 DEBUG(DEBUG_ERR,("Not a regular file %s\n", argv[2]));
3145                 close(fd);
3146                 talloc_free(tmp_ctx);
3147                 return -1;
3148         }
3149
3150         data.dsize = st.st_size;
3151         if (data.dsize == 0) {
3152                 data.dptr  = NULL;
3153         } else {
3154                 data.dptr = talloc_size(tmp_ctx, data.dsize);
3155                 if (data.dptr == NULL) {
3156                         DEBUG(DEBUG_ERR,("Failed to talloc %d of memory to store record data\n", (int)data.dsize));
3157                         close(fd);
3158                         talloc_free(tmp_ctx);
3159                         return -1;
3160                 }
3161                 ret = read(fd, data.dptr, data.dsize);
3162                 if (ret != data.dsize) {
3163                         DEBUG(DEBUG_ERR,("Failed to read %d bytes of record data\n", (int)data.dsize));
3164                         close(fd);
3165                         talloc_free(tmp_ctx);
3166                         return -1;
3167                 }
3168         }
3169         close(fd);
3170
3171
3172         db_name = argv[0];
3173
3174         ctdb_db = ctdb_attach(ctdb, db_name, true, 0);
3175
3176         if (ctdb_db == NULL) {
3177                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
3178                 talloc_free(tmp_ctx);
3179                 return -1;
3180         }
3181
3182         h = ctdb_transaction_start(ctdb_db, tmp_ctx);
3183         if (h == NULL) {
3184                 DEBUG(DEBUG_ERR,("Failed to start transaction on database %s\n", db_name));
3185                 talloc_free(tmp_ctx);
3186                 return -1;
3187         }
3188
3189         key.dptr  = discard_const(argv[1]);
3190         key.dsize = strlen(argv[1]);
3191         ret = ctdb_transaction_store(h, key, data);
3192         if (ret != 0) {
3193                 DEBUG(DEBUG_ERR,("Failed to store record\n"));
3194                 talloc_free(tmp_ctx);
3195                 return -1;
3196         }
3197
3198         ret = ctdb_transaction_commit(h);
3199         if (ret != 0) {
3200                 DEBUG(DEBUG_ERR,("Failed to commit transaction\n"));
3201                 talloc_free(tmp_ctx);
3202                 return -1;
3203         }
3204
3205
3206         talloc_free(tmp_ctx);
3207         return 0;
3208 }
3209
3210 static void log_handler(struct ctdb_context *ctdb, uint64_t srvid,
3211                              TDB_DATA data, void *private_data)
3212 {
3213         DEBUG(DEBUG_ERR,("Log data received\n"));
3214         if (data.dsize > 0) {
3215                 printf("%s", data.dptr);
3216         }
3217
3218         exit(0);
3219 }
3220
3221 /*
3222   display a list of log messages from the in memory ringbuffer
3223  */
3224 static int control_getlog(struct ctdb_context *ctdb, int argc, const char **argv)
3225 {
3226         int ret;
3227         int32_t res;
3228         struct ctdb_get_log_addr log_addr;
3229         TDB_DATA data;
3230         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3231         char *errmsg;
3232         struct timeval tv;
3233
3234         if (argc != 1) {
3235                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
3236                 talloc_free(tmp_ctx);
3237                 return -1;
3238         }
3239
3240         log_addr.pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
3241         log_addr.srvid = getpid();
3242         if (isalpha(argv[0][0]) || argv[0][0] == '-') {
3243                 log_addr.level = get_debug_by_desc(argv[0]);
3244         } else {
3245                 log_addr.level = strtol(argv[0], NULL, 0);
3246         }
3247
3248
3249         data.dptr = (unsigned char *)&log_addr;
3250         data.dsize = sizeof(log_addr);
3251
3252         DEBUG(DEBUG_ERR, ("Pulling logs from node %u\n", options.pnn));
3253
3254         ctdb_client_set_message_handler(ctdb, log_addr.srvid, log_handler, NULL);
3255         sleep(1);
3256
3257         DEBUG(DEBUG_ERR,("Listen for response on %d\n", (int)log_addr.srvid));
3258
3259         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_GET_LOG,
3260                            0, data, tmp_ctx, NULL, &res, NULL, &errmsg);
3261         if (ret != 0 || res != 0) {
3262                 DEBUG(DEBUG_ERR,("Failed to get logs - %s\n", errmsg));
3263                 talloc_free(tmp_ctx);
3264                 return -1;
3265         }
3266
3267
3268         tv = timeval_current();
3269         /* this loop will terminate when we have received the reply */
3270         while (timeval_elapsed(&tv) < 3.0) {
3271                 event_loop_once(ctdb->ev);
3272         }
3273
3274         DEBUG(DEBUG_INFO,("Timed out waiting for log data.\n"));
3275
3276         talloc_free(tmp_ctx);
3277         return 0;
3278 }
3279
3280 /*
3281   clear the in memory log area
3282  */
3283 static int control_clearlog(struct ctdb_context *ctdb, int argc, const char **argv)
3284 {
3285         int ret;
3286         int32_t res;
3287         char *errmsg;
3288         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3289
3290         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_CLEAR_LOG,
3291                            0, tdb_null, tmp_ctx, NULL, &res, NULL, &errmsg);
3292         if (ret != 0 || res != 0) {
3293                 DEBUG(DEBUG_ERR,("Failed to clear logs\n"));
3294                 talloc_free(tmp_ctx);
3295                 return -1;
3296         }
3297
3298         talloc_free(tmp_ctx);
3299         return 0;
3300 }
3301
3302
3303
3304 /*
3305   display a list of the databases on a remote ctdb
3306  */
3307 static int control_getdbmap(struct ctdb_context *ctdb, int argc, const char **argv)
3308 {
3309         int i, ret;
3310         struct ctdb_dbid_map *dbmap=NULL;
3311
3312         ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &dbmap);
3313         if (ret != 0) {
3314                 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
3315                 return ret;
3316         }
3317
3318         if(options.machinereadable){
3319                 printf(":ID:Name:Path:Persistent:Unhealthy:\n");
3320                 for(i=0;i<dbmap->num;i++){
3321                         const char *path;
3322                         const char *name;
3323                         const char *health;
3324                         bool persistent;
3325
3326                         ctdb_ctrl_getdbpath(ctdb, TIMELIMIT(), options.pnn,
3327                                             dbmap->dbs[i].dbid, ctdb, &path);
3328                         ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn,
3329                                             dbmap->dbs[i].dbid, ctdb, &name);
3330                         ctdb_ctrl_getdbhealth(ctdb, TIMELIMIT(), options.pnn,
3331                                               dbmap->dbs[i].dbid, ctdb, &health);
3332                         persistent = dbmap->dbs[i].persistent;
3333                         printf(":0x%08X:%s:%s:%d:%d:\n",
3334                                dbmap->dbs[i].dbid, name, path,
3335                                !!(persistent), !!(health));
3336                 }
3337                 return 0;
3338         }
3339
3340         printf("Number of databases:%d\n", dbmap->num);
3341         for(i=0;i<dbmap->num;i++){
3342                 const char *path;
3343                 const char *name;
3344                 const char *health;
3345                 bool persistent;
3346
3347                 ctdb_ctrl_getdbpath(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &path);
3348                 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &name);
3349                 ctdb_ctrl_getdbhealth(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &health);
3350                 persistent = dbmap->dbs[i].persistent;
3351                 printf("dbid:0x%08x name:%s path:%s%s%s\n",
3352                        dbmap->dbs[i].dbid, name, path,
3353                        persistent?" PERSISTENT":"",
3354                        health?" UNHEALTHY":"");
3355         }
3356
3357         return 0;
3358 }
3359
3360 /*
3361   display the status of a database on a remote ctdb
3362  */
3363 static int control_getdbstatus(struct ctdb_context *ctdb, int argc, const char **argv)
3364 {
3365         int i, ret;
3366         struct ctdb_dbid_map *dbmap=NULL;
3367         const char *db_name;
3368
3369         if (argc < 1) {
3370                 usage();
3371         }
3372
3373         db_name = argv[0];
3374
3375         ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &dbmap);
3376         if (ret != 0) {
3377                 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
3378                 return ret;
3379         }
3380
3381         for(i=0;i<dbmap->num;i++){
3382                 const char *path;
3383                 const char *name;
3384                 const char *health;
3385                 bool persistent;
3386
3387                 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &name);
3388                 if (strcmp(name, db_name) != 0) {
3389                         continue;
3390                 }
3391
3392                 ctdb_ctrl_getdbpath(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &path);
3393                 ctdb_ctrl_getdbhealth(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &health);
3394                 persistent = dbmap->dbs[i].persistent;
3395                 printf("dbid: 0x%08x\nname: %s\npath: %s\nPERSISTENT: %s\nHEALTH: %s\n",
3396                        dbmap->dbs[i].dbid, name, path,
3397                        persistent?"yes":"no",
3398                        health?health:"OK");
3399                 return 0;
3400         }
3401
3402         DEBUG(DEBUG_ERR, ("db %s doesn't exist on node %u\n", db_name, options.pnn));
3403         return 0;
3404 }
3405
3406 /*
3407   check if the local node is recmaster or not
3408   it will return 1 if this node is the recmaster and 0 if it is not
3409   or if the local ctdb daemon could not be contacted
3410  */
3411 static int control_isnotrecmaster(struct ctdb_context *ctdb, int argc, const char **argv)
3412 {
3413         uint32_t mypnn, recmaster;
3414         int ret;
3415
3416         mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
3417         if (mypnn == -1) {
3418                 printf("Failed to get pnn of node\n");
3419                 return 1;
3420         }
3421
3422         ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
3423         if (ret != 0) {
3424                 printf("Failed to get the recmaster\n");
3425                 return 1;
3426         }
3427
3428         if (recmaster != mypnn) {
3429                 printf("this node is not the recmaster\n");
3430                 return 1;
3431         }
3432
3433         printf("this node is the recmaster\n");
3434         return 0;
3435 }
3436
3437 /*
3438   ping a node
3439  */
3440 static int control_ping(struct ctdb_context *ctdb, int argc, const char **argv)
3441 {
3442         int ret;
3443         struct timeval tv = timeval_current();
3444         ret = ctdb_ctrl_ping(ctdb, options.pnn);
3445         if (ret == -1) {
3446                 printf("Unable to get ping response from node %u\n", options.pnn);
3447                 return -1;
3448         } else {
3449                 printf("response from %u time=%.6f sec  (%d clients)\n",
3450                        options.pnn, timeval_elapsed(&tv), ret);
3451         }
3452         return 0;
3453 }
3454
3455
3456 /*
3457   get a tunable
3458  */
3459 static int control_getvar(struct ctdb_context *ctdb, int argc, const char **argv)
3460 {
3461         const char *name;
3462         uint32_t value;
3463         int ret;
3464
3465         if (argc < 1) {
3466                 usage();
3467         }
3468
3469         name = argv[0];
3470         ret = ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), options.pnn, name, &value);
3471         if (ret == -1) {
3472                 DEBUG(DEBUG_ERR, ("Unable to get tunable variable '%s'\n", name));
3473                 return -1;
3474         }
3475
3476         printf("%-19s = %u\n", name, value);
3477         return 0;
3478 }
3479
3480 /*
3481   set a tunable
3482  */
3483 static int control_setvar(struct ctdb_context *ctdb, int argc, const char **argv)
3484 {
3485         const char *name;
3486         uint32_t value;
3487         int ret;
3488
3489         if (argc < 2) {
3490                 usage();
3491         }
3492
3493         name = argv[0];
3494         value = strtoul(argv[1], NULL, 0);
3495
3496         ret = ctdb_ctrl_set_tunable(ctdb, TIMELIMIT(), options.pnn, name, value);
3497         if (ret == -1) {
3498                 DEBUG(DEBUG_ERR, ("Unable to set tunable variable '%s'\n", name));
3499                 return -1;
3500         }
3501         return 0;
3502 }
3503
3504 /*
3505   list all tunables
3506  */
3507 static int control_listvars(struct ctdb_context *ctdb, int argc, const char **argv)
3508 {
3509         uint32_t count;
3510         const char **list;
3511         int ret, i;
3512
3513         ret = ctdb_ctrl_list_tunables(ctdb, TIMELIMIT(), options.pnn, ctdb, &list, &count);
3514         if (ret == -1) {
3515                 DEBUG(DEBUG_ERR, ("Unable to list tunable variables\n"));
3516                 return -1;
3517         }
3518
3519         for (i=0;i<count;i++) {
3520                 control_getvar(ctdb, 1, &list[i]);
3521         }
3522
3523         talloc_free(list);
3524
3525         return 0;
3526 }
3527
3528 /*
3529   display debug level on a node
3530  */
3531 static int control_getdebug(struct ctdb_context *ctdb, int argc, const char **argv)
3532 {
3533         int ret;
3534         int32_t level;
3535
3536         ret = ctdb_ctrl_get_debuglevel(ctdb, options.pnn, &level);
3537         if (ret != 0) {
3538                 DEBUG(DEBUG_ERR, ("Unable to get debuglevel response from node %u\n", options.pnn));
3539                 return ret;
3540         } else {
3541                 if (options.machinereadable){
3542                         printf(":Name:Level:\n");
3543                         printf(":%s:%d:\n",get_debug_by_level(level),level);
3544                 } else {
3545                         printf("Node %u is at debug level %s (%d)\n", options.pnn, get_debug_by_level(level), level);
3546                 }
3547         }
3548         return 0;
3549 }
3550
3551 /*
3552   display reclock file of a node
3553  */
3554 static int control_getreclock(struct ctdb_context *ctdb, int argc, const char **argv)
3555 {
3556         int ret;
3557         const char *reclock;
3558
3559         ret = ctdb_ctrl_getreclock(ctdb, TIMELIMIT(), options.pnn, ctdb, &reclock);
3560         if (ret != 0) {
3561                 DEBUG(DEBUG_ERR, ("Unable to get reclock file from node %u\n", options.pnn));
3562                 return ret;
3563         } else {
3564                 if (options.machinereadable){
3565                         if (reclock != NULL) {
3566                                 printf("%s", reclock);
3567                         }
3568                 } else {
3569                         if (reclock == NULL) {
3570                                 printf("No reclock file used.\n");
3571                         } else {
3572                                 printf("Reclock file:%s\n", reclock);
3573                         }
3574                 }
3575         }
3576         return 0;
3577 }
3578
3579 /*
3580   set the reclock file of a node
3581  */
3582 static int control_setreclock(struct ctdb_context *ctdb, int argc, const char **argv)
3583 {
3584         int ret;
3585         const char *reclock;
3586
3587         if (argc == 0) {
3588                 reclock = NULL;
3589         } else if (argc == 1) {
3590                 reclock = argv[0];
3591         } else {
3592                 usage();
3593         }
3594
3595         ret = ctdb_ctrl_setreclock(ctdb, TIMELIMIT(), options.pnn, reclock);
3596         if (ret != 0) {
3597                 DEBUG(DEBUG_ERR, ("Unable to get reclock file from node %u\n", options.pnn));
3598                 return ret;
3599         }
3600         return 0;
3601 }
3602
3603 /*
3604   set the natgw state on/off
3605  */
3606 static int control_setnatgwstate(struct ctdb_context *ctdb, int argc, const char **argv)
3607 {
3608         int ret;
3609         uint32_t natgwstate;
3610
3611         if (argc == 0) {
3612                 usage();
3613         }
3614
3615         if (!strcmp(argv[0], "on")) {
3616                 natgwstate = 1;
3617         } else if (!strcmp(argv[0], "off")) {
3618                 natgwstate = 0;
3619         } else {
3620                 usage();
3621         }
3622
3623         ret = ctdb_ctrl_setnatgwstate(ctdb, TIMELIMIT(), options.pnn, natgwstate);
3624         if (ret != 0) {
3625                 DEBUG(DEBUG_ERR, ("Unable to set the natgw state for node %u\n", options.pnn));
3626                 return ret;
3627         }
3628
3629         return 0;
3630 }
3631
3632 /*
3633   set the lmaster role on/off
3634  */
3635 static int control_setlmasterrole(struct ctdb_context *ctdb, int argc, const char **argv)
3636 {
3637         int ret;
3638         uint32_t lmasterrole;
3639
3640         if (argc == 0) {
3641                 usage();
3642         }
3643
3644         if (!strcmp(argv[0], "on")) {
3645                 lmasterrole = 1;
3646         } else if (!strcmp(argv[0], "off")) {
3647                 lmasterrole = 0;
3648         } else {
3649                 usage();
3650         }
3651
3652         ret = ctdb_ctrl_setlmasterrole(ctdb, TIMELIMIT(), options.pnn, lmasterrole);
3653         if (ret != 0) {
3654                 DEBUG(DEBUG_ERR, ("Unable to set the lmaster role for node %u\n", options.pnn));
3655                 return ret;
3656         }
3657
3658         return 0;
3659 }
3660
3661 /*
3662   set the recmaster role on/off
3663  */
3664 static int control_setrecmasterrole(struct ctdb_context *ctdb, int argc, const char **argv)
3665 {
3666         int ret;
3667         uint32_t recmasterrole;
3668
3669         if (argc == 0) {
3670                 usage();
3671         }
3672
3673         if (!strcmp(argv[0], "on")) {
3674                 recmasterrole = 1;
3675         } else if (!strcmp(argv[0], "off")) {
3676                 recmasterrole = 0;
3677         } else {
3678                 usage();
3679         }
3680
3681         ret = ctdb_ctrl_setrecmasterrole(ctdb, TIMELIMIT(), options.pnn, recmasterrole);
3682         if (ret != 0) {
3683                 DEBUG(DEBUG_ERR, ("Unable to set the recmaster role for node %u\n", options.pnn));
3684                 return ret;
3685         }
3686
3687         return 0;
3688 }
3689
3690 /*
3691   set debug level on a node or all nodes
3692  */
3693 static int control_setdebug(struct ctdb_context *ctdb, int argc, const char **argv)
3694 {
3695         int i, ret;
3696         int32_t level;
3697
3698         if (argc == 0) {
3699                 printf("You must specify the debug level. Valid levels are:\n");
3700                 for (i=0; debug_levels[i].description != NULL; i++) {
3701                         printf("%s (%d)\n", debug_levels[i].description, debug_levels[i].level);
3702                 }
3703
3704                 return 0;
3705         }
3706
3707         if (isalpha(argv[0][0]) || argv[0][0] == '-') {
3708                 level = get_debug_by_desc(argv[0]);
3709         } else {
3710                 level = strtol(argv[0], NULL, 0);
3711         }
3712
3713         for (i=0; debug_levels[i].description != NULL; i++) {
3714                 if (level == debug_levels[i].level) {
3715                         break;
3716                 }
3717         }
3718         if (debug_levels[i].description == NULL) {
3719                 printf("Invalid debug level, must be one of\n");
3720                 for (i=0; debug_levels[i].description != NULL; i++) {
3721                         printf("%s (%d)\n", debug_levels[i].description, debug_levels[i].level);
3722                 }
3723                 return -1;
3724         }
3725
3726         ret = ctdb_ctrl_set_debuglevel(ctdb, options.pnn, level);
3727         if (ret != 0) {
3728                 DEBUG(DEBUG_ERR, ("Unable to set debug level on node %u\n", options.pnn));
3729         }
3730         return 0;
3731 }
3732
3733
3734 /*
3735   thaw a node
3736  */
3737 static int control_thaw(struct ctdb_context *ctdb, int argc, const char **argv)
3738 {
3739         int ret;
3740         uint32_t priority;
3741
3742         if (argc == 1) {
3743                 priority = strtol(argv[0], NULL, 0);
3744         } else {
3745                 priority = 0;
3746         }
3747         DEBUG(DEBUG_ERR,("Thaw by priority %u\n", priority));
3748
3749         ret = ctdb_ctrl_thaw_priority(ctdb, TIMELIMIT(), options.pnn, priority);
3750         if (ret != 0) {
3751                 DEBUG(DEBUG_ERR, ("Unable to thaw node %u\n", options.pnn));
3752         }
3753         return 0;
3754 }
3755
3756
3757 /*
3758   attach to a database
3759  */
3760 static int control_attach(struct ctdb_context *ctdb, int argc, const char **argv)
3761 {
3762         const char *db_name;
3763         struct ctdb_db_context *ctdb_db;
3764
3765         if (argc < 1) {
3766                 usage();
3767         }
3768         db_name = argv[0];
3769
3770         ctdb_db = ctdb_attach(ctdb, db_name, false, 0);
3771         if (ctdb_db == NULL) {
3772                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
3773                 return -1;
3774         }
3775
3776         return 0;
3777 }
3778
3779 /*
3780   set db priority
3781  */
3782 static int control_setdbprio(struct ctdb_context *ctdb, int argc, const char **argv)
3783 {
3784         struct ctdb_db_priority db_prio;
3785         int ret;
3786
3787         if (argc < 2) {
3788                 usage();
3789         }
3790
3791         db_prio.db_id    = strtoul(argv[0], NULL, 0);
3792         db_prio.priority = strtoul(argv[1], NULL, 0);
3793
3794         ret = ctdb_ctrl_set_db_priority(ctdb, TIMELIMIT(), options.pnn, &db_prio);
3795         if (ret != 0) {
3796                 DEBUG(DEBUG_ERR,("Unable to set db prio\n"));
3797                 return -1;
3798         }
3799
3800         return 0;
3801 }
3802
3803 /*
3804   get db priority
3805  */
3806 static int control_getdbprio(struct ctdb_context *ctdb, int argc, const char **argv)
3807 {
3808         uint32_t db_id, priority;
3809         int ret;
3810
3811         if (argc < 1) {
3812                 usage();
3813         }
3814
3815         db_id = strtoul(argv[0], NULL, 0);
3816
3817         ret = ctdb_ctrl_get_db_priority(ctdb, TIMELIMIT(), options.pnn, db_id, &priority);
3818         if (ret != 0) {
3819                 DEBUG(DEBUG_ERR,("Unable to get db prio\n"));
3820                 return -1;
3821         }
3822
3823         DEBUG(DEBUG_ERR,("Priority:%u\n", priority));
3824
3825         return 0;
3826 }
3827
3828 /*
3829   run an eventscript on a node
3830  */
3831 static int control_eventscript(struct ctdb_context *ctdb, int argc, const char **argv)
3832 {
3833         TDB_DATA data;
3834         int ret;
3835         int32_t res;
3836         char *errmsg;
3837         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3838
3839         if (argc != 1) {
3840                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
3841                 return -1;
3842         }
3843
3844         data.dptr = (unsigned char *)discard_const(argv[0]);
3845         data.dsize = strlen((char *)data.dptr) + 1;
3846
3847         DEBUG(DEBUG_ERR, ("Running eventscripts with arguments \"%s\" on node %u\n", data.dptr, options.pnn));
3848
3849         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_RUN_EVENTSCRIPTS,
3850                            0, data, tmp_ctx, NULL, &res, NULL, &errmsg);
3851         if (ret != 0 || res != 0) {
3852                 DEBUG(DEBUG_ERR,("Failed to run eventscripts - %s\n", errmsg));
3853                 talloc_free(tmp_ctx);
3854                 return -1;
3855         }
3856         talloc_free(tmp_ctx);
3857         return 0;
3858 }
3859
3860 #define DB_VERSION 1
3861 #define MAX_DB_NAME 64
3862 struct db_file_header {
3863         unsigned long version;
3864         time_t timestamp;
3865         unsigned long persistent;
3866         unsigned long size;
3867         const char name[MAX_DB_NAME];
3868 };
3869
3870 struct backup_data {
3871         struct ctdb_marshall_buffer *records;
3872         uint32_t len;
3873         uint32_t total;
3874         bool traverse_error;
3875 };
3876
3877 static int backup_traverse(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data, void *private)
3878 {
3879         struct backup_data *bd = talloc_get_type(private, struct backup_data);
3880         struct ctdb_rec_data *rec;
3881
3882         /* add the record */
3883         rec = ctdb_marshall_record(bd->records, 0, key, NULL, data);
3884         if (rec == NULL) {
3885                 bd->traverse_error = true;
3886                 DEBUG(DEBUG_ERR,("Failed to marshall record\n"));
3887                 return -1;
3888         }
3889         bd->records = talloc_realloc_size(NULL, bd->records, rec->length + bd->len);
3890         if (bd->records == NULL) {
3891                 DEBUG(DEBUG_ERR,("Failed to expand marshalling buffer\n"));
3892                 bd->traverse_error = true;
3893                 return -1;
3894         }
3895         bd->records->count++;
3896         memcpy(bd->len+(uint8_t *)bd->records, rec, rec->length);
3897         bd->len += rec->length;
3898         talloc_free(rec);
3899
3900         bd->total++;
3901         return 0;
3902 }
3903
3904 /*
3905  * backup a database to a file
3906  */
3907 static int control_backupdb(struct ctdb_context *ctdb, int argc, const char **argv)
3908 {
3909         int i, ret;
3910         struct ctdb_dbid_map *dbmap=NULL;
3911         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3912         struct db_file_header dbhdr;
3913         struct ctdb_db_context *ctdb_db;
3914         struct backup_data *bd;
3915         int fh = -1;
3916         int status = -1;
3917         const char *reason = NULL;
3918
3919         if (argc != 2) {
3920                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
3921                 return -1;
3922         }
3923
3924         ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &dbmap);
3925         if (ret != 0) {
3926                 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
3927                 return ret;
3928         }
3929
3930         for(i=0;i<dbmap->num;i++){
3931                 const char *name;
3932
3933                 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, tmp_ctx, &name);
3934                 if(!strcmp(argv[0], name)){
3935                         talloc_free(discard_const(name));
3936                         break;
3937                 }
3938                 talloc_free(discard_const(name));
3939         }
3940         if (i == dbmap->num) {
3941                 DEBUG(DEBUG_ERR,("No database with name '%s' found\n", argv[0]));
3942                 talloc_free(tmp_ctx);
3943                 return -1;
3944         }
3945
3946         ret = ctdb_ctrl_getdbhealth(ctdb, TIMELIMIT(), options.pnn,
3947                                     dbmap->dbs[i].dbid, tmp_ctx, &reason);
3948         if (ret != 0) {
3949                 DEBUG(DEBUG_ERR,("Unable to get dbhealth for database '%s'\n",
3950                                  argv[0]));
3951                 talloc_free(tmp_ctx);
3952                 return -1;
3953         }
3954         if (reason) {
3955                 uint32_t allow_unhealthy = 0;
3956
3957                 ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), options.pnn,
3958                                       "AllowUnhealthyDBRead",
3959                                       &allow_unhealthy);
3960
3961                 if (allow_unhealthy != 1) {
3962                         DEBUG(DEBUG_ERR,("database '%s' is unhealthy: %s\n",
3963                                          argv[0], reason));
3964
3965                         DEBUG(DEBUG_ERR,("disallow backup : tunnable AllowUnhealthyDBRead = %u\n",
3966                                          allow_unhealthy));
3967                         talloc_free(tmp_ctx);
3968                         return -1;
3969                 }
3970
3971                 DEBUG(DEBUG_WARNING,("WARNING database '%s' is unhealthy - see 'ctdb getdbstatus %s'\n",
3972                                      argv[0], argv[0]));
3973                 DEBUG(DEBUG_WARNING,("WARNING! allow backup of unhealthy database: "
3974                                      "tunnable AllowUnhealthyDBRead = %u\n",
3975                                      allow_unhealthy));
3976         }
3977
3978         ctdb_db = ctdb_attach(ctdb, argv[0], dbmap->dbs[i].persistent, 0);
3979         if (ctdb_db == NULL) {
3980                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", argv[0]));
3981                 talloc_free(tmp_ctx);
3982                 return -1;
3983         }
3984
3985
3986         ret = tdb_transaction_start(ctdb_db->ltdb->tdb);
3987         if (ret == -1) {
3988                 DEBUG(DEBUG_ERR,("Failed to start transaction\n"));
3989                 talloc_free(tmp_ctx);
3990                 return -1;
3991         }
3992
3993
3994         bd = talloc_zero(tmp_ctx, struct backup_data);
3995         if (bd == NULL) {
3996                 DEBUG(DEBUG_ERR,("Failed to allocate backup_data\n"));
3997                 talloc_free(tmp_ctx);
3998                 return -1;
3999         }
4000
4001         bd->records = talloc_zero(bd, struct ctdb_marshall_buffer);
4002         if (bd->records == NULL) {
4003                 DEBUG(DEBUG_ERR,("Failed to allocate ctdb_marshall_buffer\n"));
4004                 talloc_free(tmp_ctx);
4005                 return -1;
4006         }
4007
4008         bd->len = offsetof(struct ctdb_marshall_buffer, data);
4009         bd->records->db_id = ctdb_db->db_id;
4010         /* traverse the database collecting all records */
4011         if (tdb_traverse_read(ctdb_db->ltdb->tdb, backup_traverse, bd) == -1 ||
4012             bd->traverse_error) {
4013                 DEBUG(DEBUG_ERR,("Traverse error\n"));
4014                 talloc_free(tmp_ctx);
4015                 return -1;
4016         }
4017
4018         tdb_transaction_cancel(ctdb_db->ltdb->tdb);
4019
4020
4021         fh = open(argv[1], O_RDWR|O_CREAT, 0600);
4022         if (fh == -1) {
4023                 DEBUG(DEBUG_ERR,("Failed to open file '%s'\n", argv[1]));
4024                 talloc_free(tmp_ctx);
4025                 return -1;
4026         }
4027
4028         dbhdr.version = DB_VERSION;
4029         dbhdr.timestamp = time(NULL);
4030         dbhdr.persistent = dbmap->dbs[i].persistent;
4031         dbhdr.size = bd->len;
4032         if (strlen(argv[0]) >= MAX_DB_NAME) {
4033                 DEBUG(DEBUG_ERR,("Too long dbname\n"));
4034                 goto done;
4035         }
4036         strncpy(discard_const(dbhdr.name), argv[0], MAX_DB_NAME);
4037         ret = write(fh, &dbhdr, sizeof(dbhdr));
4038         if (ret == -1) {
4039                 DEBUG(DEBUG_ERR,("write failed: %s\n", strerror(errno)));
4040                 goto done;
4041         }
4042         ret = write(fh, bd->records, bd->len);
4043         if (ret == -1) {
4044                 DEBUG(DEBUG_ERR,("write failed: %s\n", strerror(errno)));
4045                 goto done;
4046         }
4047
4048         status = 0;
4049 done:
4050         if (fh != -1) {
4051                 ret = close(fh);
4052                 if (ret == -1) {
4053                         DEBUG(DEBUG_ERR,("close failed: %s\n", strerror(errno)));
4054                 }
4055         }
4056         talloc_free(tmp_ctx);
4057         return status;
4058 }
4059
4060 /*
4061  * restore a database from a file
4062  */
4063 static int control_restoredb(struct ctdb_context *ctdb, int argc, const char **argv)
4064 {
4065         int ret;
4066         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
4067         TDB_DATA outdata;
4068         TDB_DATA data;
4069         struct db_file_header dbhdr;
4070         struct ctdb_db_context *ctdb_db;
4071         struct ctdb_node_map *nodemap=NULL;
4072         struct ctdb_vnn_map *vnnmap=NULL;
4073         int i, fh;
4074         struct ctdb_control_wipe_database w;
4075         uint32_t *nodes;
4076         uint32_t generation;
4077         struct tm *tm;
4078         char tbuf[100];
4079         char *dbname;
4080
4081         if (argc < 1 || argc > 2) {
4082                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
4083                 return -1;
4084         }
4085
4086         fh = open(argv[0], O_RDONLY);
4087         if (fh == -1) {
4088                 DEBUG(DEBUG_ERR,("Failed to open file '%s'\n", argv[0]));
4089                 talloc_free(tmp_ctx);
4090                 return -1;
4091         }
4092
4093         read(fh, &dbhdr, sizeof(dbhdr));
4094         if (dbhdr.version != DB_VERSION) {
4095                 DEBUG(DEBUG_ERR,("Invalid version of database dump. File is version %lu but expected version was %u\n", dbhdr.version, DB_VERSION));
4096                 talloc_free(tmp_ctx);
4097                 return -1;
4098         }
4099
4100         dbname = discard_const(dbhdr.name);
4101         if (argc == 2) {
4102                 dbname = discard_const(argv[1]);
4103         }
4104
4105         outdata.dsize = dbhdr.size;
4106         outdata.dptr = talloc_size(tmp_ctx, outdata.dsize);
4107         if (outdata.dptr == NULL) {
4108                 DEBUG(DEBUG_ERR,("Failed to allocate data of size '%lu'\n", dbhdr.size));
4109                 close(fh);
4110                 talloc_free(tmp_ctx);
4111                 return -1;
4112         }
4113         read(fh, outdata.dptr, outdata.dsize);
4114         close(fh);
4115
4116         tm = localtime(&dbhdr.timestamp);
4117         strftime(tbuf,sizeof(tbuf)-1,"%Y/%m/%d %H:%M:%S", tm);
4118         printf("Restoring database '%s' from backup @ %s\n",
4119                 dbname, tbuf);
4120
4121
4122         ctdb_db = ctdb_attach(ctdb, dbname, dbhdr.persistent, 0);
4123         if (ctdb_db == NULL) {
4124                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", dbname));
4125                 talloc_free(tmp_ctx);
4126                 return -1;
4127         }
4128
4129         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
4130         if (ret != 0) {
4131                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
4132                 talloc_free(tmp_ctx);
4133                 return ret;
4134         }
4135
4136
4137         ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &vnnmap);
4138         if (ret != 0) {
4139                 DEBUG(DEBUG_ERR, ("Unable to get vnnmap from node %u\n", options.pnn));
4140                 talloc_free(tmp_ctx);
4141                 return ret;
4142         }
4143
4144         /* freeze all nodes */
4145         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4146         for (i=1; i<=NUM_DB_PRIORITIES; i++) {
4147                 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_FREEZE,
4148                                         nodes, i,
4149                                         TIMELIMIT(),
4150                                         false, tdb_null,
4151                                         NULL, NULL,
4152                                         NULL) != 0) {
4153                         DEBUG(DEBUG_ERR, ("Unable to freeze nodes.\n"));
4154                         ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4155                         talloc_free(tmp_ctx);
4156                         return -1;
4157                 }
4158         }
4159
4160         generation = vnnmap->generation;
4161         data.dptr = (void *)&generation;
4162         data.dsize = sizeof(generation);
4163
4164         /* start a cluster wide transaction */
4165         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4166         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_TRANSACTION_START,
4167                                         nodes, 0,
4168                                         TIMELIMIT(), false, data,
4169                                         NULL, NULL,
4170                                         NULL) != 0) {
4171                 DEBUG(DEBUG_ERR, ("Unable to start cluster wide transactions.\n"));
4172                 return -1;
4173         }
4174
4175
4176         w.db_id = ctdb_db->db_id;
4177         w.transaction_id = generation;
4178
4179         data.dptr = (void *)&w;
4180         data.dsize = sizeof(w);
4181
4182         /* wipe all the remote databases. */
4183         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4184         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_WIPE_DATABASE,
4185                                         nodes, 0,
4186                                         TIMELIMIT(), false, data,
4187                                         NULL, NULL,
4188                                         NULL) != 0) {
4189                 DEBUG(DEBUG_ERR, ("Unable to wipe database.\n"));
4190                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4191                 talloc_free(tmp_ctx);
4192                 return -1;
4193         }
4194
4195         /* push the database */
4196         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4197         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_PUSH_DB,
4198                                         nodes, 0,
4199                                         TIMELIMIT(), false, outdata,
4200                                         NULL, NULL,
4201                                         NULL) != 0) {
4202                 DEBUG(DEBUG_ERR, ("Failed to push database.\n"));
4203                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4204                 talloc_free(tmp_ctx);
4205                 return -1;
4206         }
4207
4208         data.dptr = (void *)&ctdb_db->db_id;
4209         data.dsize = sizeof(ctdb_db->db_id);
4210
4211         /* mark the database as healthy */
4212         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4213         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_DB_SET_HEALTHY,
4214                                         nodes, 0,
4215                                         TIMELIMIT(), false, data,
4216                                         NULL, NULL,
4217                                         NULL) != 0) {
4218                 DEBUG(DEBUG_ERR, ("Failed to mark database as healthy.\n"));
4219                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4220                 talloc_free(tmp_ctx);
4221                 return -1;
4222         }
4223
4224         data.dptr = (void *)&generation;
4225         data.dsize = sizeof(generation);
4226
4227         /* commit all the changes */
4228         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_TRANSACTION_COMMIT,
4229                                         nodes, 0,
4230                                         TIMELIMIT(), false, data,
4231                                         NULL, NULL,
4232                                         NULL) != 0) {
4233                 DEBUG(DEBUG_ERR, ("Unable to commit databases.\n"));
4234                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4235                 talloc_free(tmp_ctx);
4236                 return -1;
4237         }
4238
4239
4240         /* thaw all nodes */
4241         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4242         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_THAW,
4243                                         nodes, 0,
4244                                         TIMELIMIT(),
4245                                         false, tdb_null,
4246                                         NULL, NULL,
4247                                         NULL) != 0) {
4248                 DEBUG(DEBUG_ERR, ("Unable to thaw nodes.\n"));
4249                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4250                 talloc_free(tmp_ctx);
4251                 return -1;
4252         }
4253
4254
4255         talloc_free(tmp_ctx);
4256         return 0;
4257 }
4258
4259 /*
4260  * dump a database backup from a file
4261  */
4262 static int control_dumpdbbackup(struct ctdb_context *ctdb, int argc, const char **argv)
4263 {
4264         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
4265         TDB_DATA outdata;
4266         struct db_file_header dbhdr;
4267         int i, fh;
4268         struct tm *tm;
4269         char tbuf[100];
4270         struct ctdb_rec_data *rec = NULL;
4271         struct ctdb_marshall_buffer *m;
4272
4273         if (argc != 1) {
4274                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
4275                 return -1;
4276         }
4277
4278         fh = open(argv[0], O_RDONLY);
4279         if (fh == -1) {
4280                 DEBUG(DEBUG_ERR,("Failed to open file '%s'\n", argv[0]));
4281                 talloc_free(tmp_ctx);
4282                 return -1;
4283         }
4284
4285         read(fh, &dbhdr, sizeof(dbhdr));
4286         if (dbhdr.version != DB_VERSION) {
4287                 DEBUG(DEBUG_ERR,("Invalid version of database dump. File is version %lu but expected version was %u\n", dbhdr.version, DB_VERSION));
4288                 talloc_free(tmp_ctx);
4289                 return -1;
4290         }
4291
4292         outdata.dsize = dbhdr.size;
4293         outdata.dptr = talloc_size(tmp_ctx, outdata.dsize);
4294         if (outdata.dptr == NULL) {
4295                 DEBUG(DEBUG_ERR,("Failed to allocate data of size '%lu'\n", dbhdr.size));
4296                 close(fh);
4297                 talloc_free(tmp_ctx);
4298                 return -1;
4299         }
4300         read(fh, outdata.dptr, outdata.dsize);
4301         close(fh);
4302         m = (struct ctdb_marshall_buffer *)outdata.dptr;
4303
4304         tm = localtime(&dbhdr.timestamp);
4305         strftime(tbuf,sizeof(tbuf)-1,"%Y/%m/%d %H:%M:%S", tm);
4306         printf("Backup of database name:'%s' dbid:0x%x08x from @ %s\n",
4307                 dbhdr.name, m->db_id, tbuf);
4308
4309         for (i=0; i < m->count; i++) {
4310                 uint32_t reqid = 0;
4311                 TDB_DATA key, data;
4312
4313                 /* we do not want the header splitted, so we pass NULL*/
4314                 rec = ctdb_marshall_loop_next(m, rec, &reqid,
4315                                               NULL, &key, &data);
4316
4317                 ctdb_dumpdb_record(ctdb, key, data, stdout);
4318         }
4319
4320         printf("Dumped %d records\n", i);
4321         talloc_free(tmp_ctx);
4322         return 0;
4323 }
4324
4325 /*
4326  * wipe a database from a file
4327  */
4328 static int control_wipedb(struct ctdb_context *ctdb, int argc,
4329                           const char **argv)
4330 {
4331         int ret;
4332         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
4333         TDB_DATA data;
4334         struct ctdb_db_context *ctdb_db;
4335         struct ctdb_node_map *nodemap = NULL;
4336         struct ctdb_vnn_map *vnnmap = NULL;
4337         int i;
4338         struct ctdb_control_wipe_database w;
4339         uint32_t *nodes;
4340         uint32_t generation;
4341         struct ctdb_dbid_map *dbmap = NULL;
4342
4343         if (argc != 1) {
4344                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
4345                 return -1;
4346         }
4347
4348         ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx,
4349                                  &dbmap);
4350         if (ret != 0) {
4351                 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n",
4352                                   options.pnn));
4353                 return ret;
4354         }
4355
4356         for(i=0;i<dbmap->num;i++){
4357                 const char *name;
4358
4359                 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn,
4360                                     dbmap->dbs[i].dbid, tmp_ctx, &name);
4361                 if(!strcmp(argv[0], name)){
4362                         talloc_free(discard_const(name));
4363                         break;
4364                 }
4365                 talloc_free(discard_const(name));
4366         }
4367         if (i == dbmap->num) {
4368                 DEBUG(DEBUG_ERR, ("No database with name '%s' found\n",
4369                                   argv[0]));
4370                 talloc_free(tmp_ctx);
4371                 return -1;
4372         }
4373
4374         ctdb_db = ctdb_attach(ctdb, argv[0], dbmap->dbs[i].persistent, 0);
4375         if (ctdb_db == NULL) {
4376                 DEBUG(DEBUG_ERR, ("Unable to attach to database '%s'\n",
4377                                   argv[0]));
4378                 talloc_free(tmp_ctx);
4379                 return -1;
4380         }
4381
4382         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb,
4383                                    &nodemap);
4384         if (ret != 0) {
4385                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n",
4386                                   options.pnn));
4387                 talloc_free(tmp_ctx);
4388                 return ret;
4389         }
4390
4391         ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx,
4392                                   &vnnmap);
4393         if (ret != 0) {
4394                 DEBUG(DEBUG_ERR, ("Unable to get vnnmap from node %u\n",
4395                                   options.pnn));
4396                 talloc_free(tmp_ctx);
4397                 return ret;
4398         }
4399
4400         /* freeze all nodes */
4401         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4402         for (i=1; i<=NUM_DB_PRIORITIES; i++) {
4403                 ret = ctdb_client_async_control(ctdb, CTDB_CONTROL_FREEZE,
4404                                                 nodes, i,
4405                                                 TIMELIMIT(),
4406                                                 false, tdb_null,
4407                                                 NULL, NULL,
4408                                                 NULL);
4409                 if (ret != 0) {
4410                         DEBUG(DEBUG_ERR, ("Unable to freeze nodes.\n"));
4411                         ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn,
4412                                              CTDB_RECOVERY_ACTIVE);
4413                         talloc_free(tmp_ctx);
4414                         return -1;
4415                 }
4416         }
4417
4418         generation = vnnmap->generation;
4419         data.dptr = (void *)&generation;
4420         data.dsize = sizeof(generation);
4421
4422         /* start a cluster wide transaction */
4423         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4424         ret = ctdb_client_async_control(ctdb, CTDB_CONTROL_TRANSACTION_START,
4425                                         nodes, 0,
4426                                         TIMELIMIT(), false, data,
4427                                         NULL, NULL,
4428                                         NULL);
4429         if (ret!= 0) {
4430                 DEBUG(DEBUG_ERR, ("Unable to start cluster wide "
4431                                   "transactions.\n"));
4432                 return -1;
4433         }
4434
4435         w.db_id = ctdb_db->db_id;
4436         w.transaction_id = generation;
4437
4438         data.dptr = (void *)&w;
4439         data.dsize = sizeof(w);
4440
4441         /* wipe all the remote databases. */
4442         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4443         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_WIPE_DATABASE,
4444                                         nodes, 0,
4445                                         TIMELIMIT(), false, data,
4446                                         NULL, NULL,
4447                                         NULL) != 0) {
4448                 DEBUG(DEBUG_ERR, ("Unable to wipe database.\n"));
4449                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4450                 talloc_free(tmp_ctx);
4451                 return -1;
4452         }
4453
4454         data.dptr = (void *)&ctdb_db->db_id;
4455         data.dsize = sizeof(ctdb_db->db_id);
4456
4457         /* mark the database as healthy */
4458         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4459         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_DB_SET_HEALTHY,
4460                                         nodes, 0,
4461                                         TIMELIMIT(), false, data,
4462                                         NULL, NULL,
4463                                         NULL) != 0) {
4464                 DEBUG(DEBUG_ERR, ("Failed to mark database as healthy.\n"));
4465                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4466                 talloc_free(tmp_ctx);
4467                 return -1;
4468         }
4469
4470         data.dptr = (void *)&generation;
4471         data.dsize = sizeof(generation);
4472
4473         /* commit all the changes */
4474         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_TRANSACTION_COMMIT,
4475                                         nodes, 0,
4476                                         TIMELIMIT(), false, data,
4477                                         NULL, NULL,
4478                                         NULL) != 0) {
4479                 DEBUG(DEBUG_ERR, ("Unable to commit databases.\n"));
4480                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4481                 talloc_free(tmp_ctx);
4482                 return -1;
4483         }
4484
4485         /* thaw all nodes */
4486         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4487         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_THAW,
4488                                         nodes, 0,
4489                                         TIMELIMIT(),
4490                                         false, tdb_null,
4491                                         NULL, NULL,
4492                                         NULL) != 0) {
4493                 DEBUG(DEBUG_ERR, ("Unable to thaw nodes.\n"));
4494                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4495                 talloc_free(tmp_ctx);
4496                 return -1;
4497         }
4498
4499         talloc_free(tmp_ctx);
4500         return 0;
4501 }
4502
4503 /*
4504   dump memory usage
4505  */
4506 static int control_dumpmemory(struct ctdb_context *ctdb, int argc, const char **argv)
4507 {
4508         TDB_DATA data;
4509         int ret;
4510         int32_t res;
4511         char *errmsg;
4512         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
4513         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_DUMP_MEMORY,
4514                            0, tdb_null, tmp_ctx, &data, &res, NULL, &errmsg);
4515         if (ret != 0 || res != 0) {
4516                 DEBUG(DEBUG_ERR,("Failed to dump memory - %s\n", errmsg));
4517                 talloc_free(tmp_ctx);
4518                 return -1;
4519         }
4520         write(1, data.dptr, data.dsize);
4521         talloc_free(tmp_ctx);
4522         return 0;
4523 }
4524
4525 /*
4526   handler for memory dumps
4527 */
4528 static void mem_dump_handler(struct ctdb_context *ctdb, uint64_t srvid,
4529                              TDB_DATA data, void *private_data)
4530 {
4531         write(1, data.dptr, data.dsize);
4532         exit(0);
4533 }
4534
4535 /*
4536   dump memory usage on the recovery daemon
4537  */
4538 static int control_rddumpmemory(struct ctdb_context *ctdb, int argc, const char **argv)
4539 {
4540         int ret;
4541         TDB_DATA data;
4542         struct rd_memdump_reply rd;
4543
4544         rd.pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
4545         if (rd.pnn == -1) {
4546                 DEBUG(DEBUG_ERR, ("Failed to get pnn of local node\n"));
4547                 return -1;
4548         }
4549         rd.srvid = getpid();
4550
4551         /* register a message port for receiveing the reply so that we
4552            can receive the reply
4553         */
4554         ctdb_client_set_message_handler(ctdb, rd.srvid, mem_dump_handler, NULL);
4555
4556
4557         data.dptr = (uint8_t *)&rd;
4558         data.dsize = sizeof(rd);
4559
4560         ret = ctdb_client_send_message(ctdb, options.pnn, CTDB_SRVID_MEM_DUMP, data);
4561         if (ret != 0) {
4562                 DEBUG(DEBUG_ERR,("Failed to send memdump request message to %u\n", options.pnn));
4563                 return -1;
4564         }
4565
4566         /* this loop will terminate when we have received the reply */
4567         while (1) {
4568                 event_loop_once(ctdb->ev);
4569         }
4570
4571         return 0;
4572 }
4573
4574 /*
4575   send a message to a srvid
4576  */
4577 static int control_msgsend(struct ctdb_context *ctdb, int argc, const char **argv)
4578 {
4579         unsigned long srvid;
4580         int ret;
4581         TDB_DATA data;
4582
4583         if (argc < 2) {
4584                 usage();
4585         }
4586
4587         srvid      = strtoul(argv[0], NULL, 0);
4588
4589         data.dptr = (uint8_t *)discard_const(argv[1]);
4590         data.dsize= strlen(argv[1]);
4591
4592         ret = ctdb_client_send_message(ctdb, CTDB_BROADCAST_CONNECTED, srvid, data);
4593         if (ret != 0) {
4594                 DEBUG(DEBUG_ERR,("Failed to send memdump request message to %u\n", options.pnn));
4595                 return -1;
4596         }
4597
4598         return 0;
4599 }
4600
4601 /*
4602   handler for msglisten
4603 */
4604 static void msglisten_handler(struct ctdb_context *ctdb, uint64_t srvid,
4605                              TDB_DATA data, void *private_data)
4606 {
4607         int i;
4608
4609         printf("Message received: ");
4610         for (i=0;i<data.dsize;i++) {
4611                 printf("%c", data.dptr[i]);
4612         }
4613         printf("\n");
4614 }
4615
4616 /*
4617   listen for messages on a messageport
4618  */
4619 static int control_msglisten(struct ctdb_context *ctdb, int argc, const char **argv)
4620 {
4621         uint64_t srvid;
4622
4623         srvid = getpid();
4624
4625         /* register a message port and listen for messages
4626         */
4627         ctdb_client_set_message_handler(ctdb, srvid, msglisten_handler, NULL);
4628         printf("Listening for messages on srvid:%d\n", (int)srvid);
4629
4630         while (1) {
4631                 event_loop_once(ctdb->ev);
4632         }
4633
4634         return 0;
4635 }
4636
4637 /*
4638   list all nodes in the cluster
4639   we parse the nodes file directly
4640  */
4641 static int control_listnodes(struct ctdb_context *ctdb, int argc, const char **argv)
4642 {
4643         TALLOC_CTX *mem_ctx = talloc_new(NULL);
4644         struct pnn_node *pnn_nodes;
4645         struct pnn_node *pnn_node;
4646
4647         pnn_nodes = read_nodes_file(mem_ctx);
4648         if (pnn_nodes == NULL) {
4649                 DEBUG(DEBUG_ERR,("Failed to read nodes file\n"));
4650                 talloc_free(mem_ctx);
4651                 return -1;
4652         }
4653
4654         for(pnn_node=pnn_nodes;pnn_node;pnn_node=pnn_node->next) {
4655                 ctdb_sock_addr addr;
4656                 if (parse_ip(pnn_node->addr, NULL, 63999, &addr) == 0) {
4657                         DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s' in nodes file\n", pnn_node->addr));
4658                         talloc_free(mem_ctx);
4659                         return -1;
4660                 }
4661                 if (options.machinereadable){
4662                         printf(":%d:%s:\n", pnn_node->pnn, pnn_node->addr);
4663                 } else {
4664                         printf("%s\n", pnn_node->addr);
4665                 }
4666         }
4667         talloc_free(mem_ctx);
4668
4669         return 0;
4670 }
4671
4672 /*
4673   reload the nodes file on the local node
4674  */
4675 static int control_reload_nodes_file(struct ctdb_context *ctdb, int argc, const char **argv)
4676 {
4677         int i, ret;
4678         int mypnn;
4679         struct ctdb_node_map *nodemap=NULL;
4680
4681         mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
4682         if (mypnn == -1) {
4683                 DEBUG(DEBUG_ERR, ("Failed to read pnn of local node\n"));
4684                 return -1;
4685         }
4686
4687         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
4688         if (ret != 0) {
4689                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
4690                 return ret;
4691         }
4692
4693         /* reload the nodes file on all remote nodes */
4694         for (i=0;i<nodemap->num;i++) {
4695                 if (nodemap->nodes[i].pnn == mypnn) {
4696                         continue;
4697                 }
4698                 DEBUG(DEBUG_NOTICE, ("Reloading nodes file on node %u\n", nodemap->nodes[i].pnn));
4699                 ret = ctdb_ctrl_reload_nodes_file(ctdb, TIMELIMIT(),
4700                         nodemap->nodes[i].pnn);
4701                 if (ret != 0) {
4702                         DEBUG(DEBUG_ERR, ("ERROR: Failed to reload nodes file on node %u. You MUST fix that node manually!\n", nodemap->nodes[i].pnn));
4703                 }
4704         }
4705
4706         /* reload the nodes file on the local node */
4707         DEBUG(DEBUG_NOTICE, ("Reloading nodes file on node %u\n", mypnn));
4708         ret = ctdb_ctrl_reload_nodes_file(ctdb, TIMELIMIT(), mypnn);
4709         if (ret != 0) {
4710                 DEBUG(DEBUG_ERR, ("ERROR: Failed to reload nodes file on node %u. You MUST fix that node manually!\n", mypnn));
4711         }
4712
4713         /* initiate a recovery */
4714         control_recover(ctdb, argc, argv);
4715
4716         return 0;
4717 }
4718
4719
4720 static const struct {
4721         const char *name;
4722         int (*fn)(struct ctdb_context *, int, const char **);
4723         bool auto_all;
4724         bool without_daemon; /* can be run without daemon running ? */
4725         const char *msg;
4726         const char *args;
4727 } ctdb_commands[] = {
4728 #ifdef CTDB_VERS
4729         { "version",         control_version,           true,   false,  "show version of ctdb" },
4730 #endif
4731         { "status",          control_status,            true,   false,  "show node status" },
4732         { "uptime",          control_uptime,            true,   false,  "show node uptime" },
4733         { "ping",            control_ping,              true,   false,  "ping all nodes" },
4734         { "getvar",          control_getvar,            true,   false,  "get a tunable variable",               "<name>"},
4735         { "setvar",          control_setvar,            true,   false,  "set a tunable variable",               "<name> <value>"},
4736         { "listvars",        control_listvars,          true,   false,  "list tunable variables"},
4737         { "statistics",      control_statistics,        false,  false, "show statistics" },
4738         { "statisticsreset", control_statistics_reset,  true,   false,  "reset statistics"},
4739         { "stats",           control_stats,             false,  false,  "show rolling statistics", "[number of history records]" },
4740         { "ip",              control_ip,                false,  false,  "show which public ip's that ctdb manages" },
4741         { "ipinfo",          control_ipinfo,            true,   false,  "show details about a public ip that ctdb manages", "<ip>" },
4742         { "ifaces",          control_ifaces,            true,   false,  "show which interfaces that ctdb manages" },
4743         { "setifacelink",    control_setifacelink,      true,   false,  "set interface link status", "<iface> <status>" },
4744         { "process-exists",  control_process_exists,    true,   false,  "check if a process exists on a node",  "<pid>"},
4745         { "getdbmap",        control_getdbmap,          true,   false,  "show the database map" },
4746         { "getdbstatus",     control_getdbstatus,       true,   false,  "show the status of a database", "<dbname>" },
4747         { "catdb",           control_catdb,             true,   false,  "dump a database" ,                     "<dbname>"},
4748         { "getmonmode",      control_getmonmode,        true,   false,  "show monitoring mode" },
4749         { "getcapabilities", control_getcapabilities,   true,   false,  "show node capabilities" },
4750         { "pnn",             control_pnn,               true,   false,  "show the pnn of the currnet node" },
4751         { "lvs",             control_lvs,               true,   false,  "show lvs configuration" },
4752         { "lvsmaster",       control_lvsmaster,         true,   false,  "show which node is the lvs master" },
4753         { "disablemonitor",      control_disable_monmode,true,  false,  "set monitoring mode to DISABLE" },
4754         { "enablemonitor",      control_enable_monmode, true,   false,  "set monitoring mode to ACTIVE" },
4755         { "setdebug",        control_setdebug,          true,   false,  "set debug level",                      "<EMERG|ALERT|CRIT|ERR|WARNING|NOTICE|INFO|DEBUG>" },
4756         { "getdebug",        control_getdebug,          true,   false,  "get debug level" },
4757         { "getlog",          control_getlog,            true,   false,  "get the log data from the in memory ringbuffer", "<level>" },
4758         { "clearlog",          control_clearlog,        true,   false,  "clear the log data from the in memory ringbuffer" },
4759         { "attach",          control_attach,            true,   false,  "attach to a database",                 "<dbname>" },
4760         { "dumpmemory",      control_dumpmemory,        true,   false,  "dump memory map to stdout" },
4761         { "rddumpmemory",    control_rddumpmemory,      true,   false,  "dump memory map from the recovery daemon to stdout" },
4762         { "getpid",          control_getpid,            true,   false,  "get ctdbd process ID" },
4763         { "disable",         control_disable,           true,   false,  "disable a nodes public IP" },
4764         { "enable",          control_enable,            true,   false,  "enable a nodes public IP" },
4765         { "stop",            control_stop,              true,   false,  "stop a node" },
4766         { "continue",        control_continue,          true,   false,  "re-start a stopped node" },
4767         { "ban",             control_ban,               true,   false,  "ban a node from the cluster",          "<bantime|0>"},
4768         { "unban",           control_unban,             true,   false,  "unban a node" },
4769         { "showban",         control_showban,           true,   false,  "show ban information"},
4770         { "shutdown",        control_shutdown,          true,   false,  "shutdown ctdbd" },
4771         { "recover",         control_recover,           true,   false,  "force recovery" },
4772         { "sync",            control_ipreallocate,      true,   false,  "wait until ctdbd has synced all state changes" },
4773         { "ipreallocate",    control_ipreallocate,      true,   false,  "force the recovery daemon to perform a ip reallocation procedure" },
4774         { "thaw",            control_thaw,              true,   false,  "thaw databases", "[priority:1-3]" },
4775         { "isnotrecmaster",  control_isnotrecmaster,    false,  false,  "check if the local node is recmaster or not" },
4776         { "killtcp",         kill_tcp,                  false,  false, "kill a tcp connection.", "<srcip:port> <dstip:port>" },
4777         { "gratiousarp",     control_gratious_arp,      false,  false, "send a gratious arp", "<ip> <interface>" },
4778         { "tickle",          tickle_tcp,                false,  false, "send a tcp tickle ack", "<srcip:port> <dstip:port>" },
4779         { "gettickles",      control_get_tickles,       false,  false, "get the list of tickles registered for this ip", "<ip> [<port>]" },
4780         { "addtickle",       control_add_tickle,        false,  false, "add a tickle for this ip", "<ip>:<port> <ip>:<port>" },
4781
4782         { "deltickle",       control_del_tickle,        false,  false, "delete a tickle from this ip", "<ip>:<port> <ip>:<port>" },
4783
4784         { "regsrvid",        regsrvid,                  false,  false, "register a server id", "<pnn> <type> <id>" },
4785         { "unregsrvid",      unregsrvid,                false,  false, "unregister a server id", "<pnn> <type> <id>" },
4786         { "chksrvid",        chksrvid,                  false,  false, "check if a server id exists", "<pnn> <type> <id>" },
4787         { "getsrvids",       getsrvids,                 false,  false, "get a list of all server ids"},
4788         { "vacuum",          ctdb_vacuum,               false,  false, "vacuum the databases of empty records", "[max_records]"},
4789         { "repack",          ctdb_repack,               false,  false, "repack all databases", "[max_freelist]"},
4790         { "listnodes",       control_listnodes,         false,  true, "list all nodes in the cluster"},
4791         { "reloadnodes",     control_reload_nodes_file, false,  false, "reload the nodes file and restart the transport on all nodes"},
4792         { "moveip",          control_moveip,            false,  false, "move/failover an ip address to another node", "<ip> <node>"},
4793         { "addip",           control_addip,             true,   false, "add a ip address to a node", "<ip/mask> <iface>"},
4794         { "delip",           control_delip,             false,  false, "delete an ip address from a node", "<ip>"},
4795         { "eventscript",     control_eventscript,       true,   false, "run the eventscript with the given parameters on a node", "<arguments>"},
4796         { "backupdb",        control_backupdb,          false,  false, "backup the database into a file.", "<database> <file>"},
4797         { "restoredb",        control_restoredb,        false,  false, "restore the database from a file.", "<file> [dbname]"},
4798         { "dumpdbbackup",    control_dumpdbbackup,      false,  true,  "dump database backup from a file.", "<file>"},
4799         { "wipedb",           control_wipedb,        false,     false, "wipe the contents of a database.", "<dbname>"},
4800         { "recmaster",        control_recmaster,        false,  false, "show the pnn for the recovery master."},
4801         { "scriptstatus",    control_scriptstatus,  false,      false, "show the status of the monitoring scripts (or all scripts)", "[all]"},
4802         { "enablescript",     control_enablescript,  false,     false, "enable an eventscript", "<script>"},
4803         { "disablescript",    control_disablescript,  false,    false, "disable an eventscript", "<script>"},
4804         { "natgwlist",        control_natgwlist,        false,  false, "show the nodes belonging to this natgw configuration"},
4805         { "xpnn",             control_xpnn,             true,   true,  "find the pnn of the local node without talking to the daemon (unreliable)" },
4806         { "getreclock",       control_getreclock,       false,  false, "Show the reclock file of a node"},
4807         { "setreclock",       control_setreclock,       false,  false, "Set/clear the reclock file of a node", "[filename]"},
4808         { "setnatgwstate",    control_setnatgwstate,    false,  false, "Set NATGW state to on/off", "{on|off}"},
4809         { "setlmasterrole",   control_setlmasterrole,   false,  false, "Set LMASTER role to on/off", "{on|off}"},
4810         { "setrecmasterrole", control_setrecmasterrole, false,  false, "Set RECMASTER role to on/off", "{on|off}"},
4811         { "setdbprio",        control_setdbprio,        false,  false, "Set DB priority", "<dbid> <prio:1-3>"},
4812         { "getdbprio",        control_getdbprio,        false,  false, "Get DB priority", "<dbid>"},
4813         { "msglisten",        control_msglisten,        false,  false, "Listen on a srvid port for messages", "<msg srvid>"},
4814         { "msgsend",          control_msgsend,  false,  false, "Send a message to srvid", "<srvid> <message>"},
4815         { "sync",            control_ipreallocate,      false,  false,  "wait until ctdbd has synced all state changes" },
4816         { "pfetch",          control_pfetch,            false,  false,  "fetch a record from a persistent database", "<db> <key> [<file>]" },
4817         { "pstore",          control_pstore,            false,  false,  "write a record to a persistent database", "<db> <key> <file containing record>" },
4818         { "tfetch",          control_tfetch,            false,  true,  "fetch a record from a [c]tdb-file", "<tdb-file> <key> [<file>]" },
4819 };
4820
4821 /*
4822   show usage message
4823  */
4824 static void usage(void)
4825 {
4826         int i;
4827         printf(
4828 "Usage: ctdb [options] <control>\n" \
4829 "Options:\n" \
4830 "   -n <node>          choose node number, or 'all' (defaults to local node)\n"
4831 "   -Y                 generate machinereadable output\n"
4832 "   -v                 generate verbose output\n"
4833 "   -t <timelimit>     set timelimit for control in seconds (default %u)\n", options.timelimit);
4834         printf("Controls:\n");
4835         for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
4836                 printf("  %-15s %-27s  %s\n",
4837                        ctdb_commands[i].name,
4838                        ctdb_commands[i].args?ctdb_commands[i].args:"",
4839                        ctdb_commands[i].msg);
4840         }
4841         exit(1);
4842 }
4843
4844
4845 static void ctdb_alarm(int sig)
4846 {
4847         printf("Maximum runtime exceeded - exiting\n");
4848         _exit(ERR_TIMEOUT);
4849 }
4850
4851 /*
4852   main program
4853 */
4854 int main(int argc, const char *argv[])
4855 {
4856         struct ctdb_context *ctdb;
4857         char *nodestring = NULL;
4858         struct poptOption popt_options[] = {
4859                 POPT_AUTOHELP
4860                 POPT_CTDB_CMDLINE
4861                 { "timelimit", 't', POPT_ARG_INT, &options.timelimit, 0, "timelimit", "integer" },
4862                 { "node",      'n', POPT_ARG_STRING, &nodestring, 0, "node", "integer|all" },
4863                 { "machinereadable", 'Y', POPT_ARG_NONE, &options.machinereadable, 0, "enable machinereadable output", NULL },
4864                 { "verbose",    'v', POPT_ARG_NONE, &options.verbose, 0, "enable verbose output", NULL },
4865                 { "maxruntime", 'T', POPT_ARG_INT, &options.maxruntime, 0, "die if runtime exceeds this limit (in seconds)", "integer" },
4866                 POPT_TABLEEND
4867         };
4868         int opt;
4869         const char **extra_argv;
4870         int extra_argc = 0;
4871         int ret=-1, i;
4872         poptContext pc;
4873         struct event_context *ev;
4874         const char *control;
4875
4876         setlinebuf(stdout);
4877
4878         /* set some defaults */
4879         options.maxruntime = 0;
4880         options.timelimit = 3;
4881         options.pnn = CTDB_CURRENT_NODE;
4882
4883         pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
4884
4885         while ((opt = poptGetNextOpt(pc)) != -1) {
4886                 switch (opt) {
4887                 default:
4888                         DEBUG(DEBUG_ERR, ("Invalid option %s: %s\n",
4889                                 poptBadOption(pc, 0), poptStrerror(opt)));
4890                         exit(1);
4891                 }
4892         }
4893
4894         /* setup the remaining options for the main program to use */
4895         extra_argv = poptGetArgs(pc);
4896         if (extra_argv) {
4897                 extra_argv++;
4898                 while (extra_argv[extra_argc]) extra_argc++;
4899         }
4900
4901         if (extra_argc < 1) {
4902                 usage();
4903         }
4904
4905         if (options.maxruntime == 0) {
4906                 const char *ctdb_timeout;
4907                 ctdb_timeout = getenv("CTDB_TIMEOUT");
4908                 if (ctdb_timeout != NULL) {
4909                         options.maxruntime = strtoul(ctdb_timeout, NULL, 0);
4910                 } else {
4911                         /* default timeout is 120 seconds */
4912                         options.maxruntime = 120;
4913                 }
4914         }
4915
4916         signal(SIGALRM, ctdb_alarm);
4917         alarm(options.maxruntime);
4918
4919         /* setup the node number to contact */
4920         if (nodestring != NULL) {
4921                 if (strcmp(nodestring, "all") == 0) {
4922                         options.pnn = CTDB_BROADCAST_ALL;
4923                 } else {
4924                         options.pnn = strtoul(nodestring, NULL, 0);
4925                 }
4926         }
4927
4928         control = extra_argv[0];
4929
4930         ev = event_context_init(NULL);
4931         if (!ev) {
4932                 DEBUG(DEBUG_ERR, ("Failed to initialize event system\n"));
4933                 exit(1);
4934         }
4935         tevent_loop_allow_nesting(ev);
4936
4937         for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
4938                 if (strcmp(control, ctdb_commands[i].name) == 0) {
4939                         int j;
4940
4941                         if (ctdb_commands[i].without_daemon == true) {
4942                                 close(2);
4943                         }
4944
4945                         /* initialise ctdb */
4946                         ctdb = ctdb_cmdline_client(ev);
4947
4948                         if (ctdb_commands[i].without_daemon == false) {
4949                                 const char *socket_name;
4950
4951                                 if (ctdb == NULL) {
4952                                         DEBUG(DEBUG_ERR, ("Failed to init ctdb\n"));
4953                                         exit(1);
4954                                 }
4955
4956                                 /* initialize a libctdb connection as well */
4957                                 socket_name = ctdb_get_socketname(ctdb);
4958                                 ctdb_connection = ctdb_connect(socket_name,
4959                                                        ctdb_log_file, stderr);
4960                                 if (ctdb_connection == NULL) {
4961                                         fprintf(stderr, "Failed to connect to daemon from libctdb\n");
4962                                         exit(1);
4963                                 }
4964
4965                                 /* verify the node exists */
4966                                 verify_node(ctdb);
4967
4968                                 if (options.pnn == CTDB_CURRENT_NODE) {
4969                                         int pnn;
4970                                         pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
4971                                         if (pnn == -1) {
4972                                                 return -1;
4973                                         }
4974                                         options.pnn = pnn;
4975                                 }
4976                         }
4977
4978                         if (ctdb_commands[i].auto_all &&
4979                             options.pnn == CTDB_BROADCAST_ALL) {
4980                                 uint32_t *nodes;
4981                                 uint32_t num_nodes;
4982                                 ret = 0;
4983
4984                                 nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
4985                                 CTDB_NO_MEMORY(ctdb, nodes);
4986
4987                                 for (j=0;j<num_nodes;j++) {
4988                                         options.pnn = nodes[j];
4989                                         ret |= ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
4990                                 }
4991                                 talloc_free(nodes);
4992                         } else {
4993                                 ret = ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
4994                         }
4995                         break;
4996                 }
4997         }
4998
4999         if (i == ARRAY_SIZE(ctdb_commands)) {
5000                 DEBUG(DEBUG_ERR, ("Unknown control '%s'\n", control));
5001                 exit(1);
5002         }
5003
5004         return ret;
5005 }