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)
 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                         return 0;
 126                 }
 127         }
 128
 129         return -1;
 130 }
 131
 132 /*
 133   see if a process exists
 134  */
 135 static int control_process_exists(struct ctdb_context *ctdb, int argc, const char **argv)
 136 {
 137         uint32_t pnn, pid;
 138         int ret;
 139         if (argc < 1) {
 140                 usage();
 141         }
 142
 143         if (sscanf(argv[0], "%u:%u", &pnn, &pid) != 2) {
 144                 DEBUG(DEBUG_ERR, ("Badly formed pnn:pid\n"));
 145                 return -1;
 146         }
 147
 148         ret = ctdb_ctrl_process_exists(ctdb, pnn, pid);
 149         if (ret == 0) {
 150                 printf("%u:%u exists\n", pnn, pid);
 151         } else {
 152                 printf("%u:%u does not exist\n", pnn, pid);
 153         }
 154         return ret;
 155 }
 156
 157 /*
 158   display statistics structure
 159  */
 160 static void show_statistics(struct ctdb_statistics *s, int show_header)
 161 {
 162         TALLOC_CTX *tmp_ctx = talloc_new(NULL);
 163         int i;
 164         const char *prefix=NULL;
 165         int preflen=0;
 166         int tmp, days, hours, minutes, seconds;
 167         const struct {
 168                 const char *name;
 169                 uint32_t offset;
 170         } fields[] = {
 171 #define STATISTICS_FIELD(n) { #n, offsetof(struct ctdb_statistics, n) }
 172                 STATISTICS_FIELD(num_clients),
 173                 STATISTICS_FIELD(frozen),
 174                 STATISTICS_FIELD(recovering),
 175                 STATISTICS_FIELD(num_recoveries),
 176                 STATISTICS_FIELD(client_packets_sent),
 177                 STATISTICS_FIELD(client_packets_recv),
 178                 STATISTICS_FIELD(node_packets_sent),
 179                 STATISTICS_FIELD(node_packets_recv),
 180                 STATISTICS_FIELD(keepalive_packets_sent),
 181                 STATISTICS_FIELD(keepalive_packets_recv),
 182                 STATISTICS_FIELD(node.req_call),
 183                 STATISTICS_FIELD(node.reply_call),
 184                 STATISTICS_FIELD(node.req_dmaster),
 185                 STATISTICS_FIELD(node.reply_dmaster),
 186                 STATISTICS_FIELD(node.reply_error),
 187                 STATISTICS_FIELD(node.req_message),
 188                 STATISTICS_FIELD(node.req_control),
 189                 STATISTICS_FIELD(node.reply_control),
 190                 STATISTICS_FIELD(client.req_call),
 191                 STATISTICS_FIELD(client.req_message),
 192                 STATISTICS_FIELD(client.req_control),
 193                 STATISTICS_FIELD(timeouts.call),
 194                 STATISTICS_FIELD(timeouts.control),
 195                 STATISTICS_FIELD(timeouts.traverse),
 196                 STATISTICS_FIELD(total_calls),
 197                 STATISTICS_FIELD(pending_calls),
 198                 STATISTICS_FIELD(lockwait_calls),
 199                 STATISTICS_FIELD(pending_lockwait_calls),
 200                 STATISTICS_FIELD(childwrite_calls),
 201                 STATISTICS_FIELD(pending_childwrite_calls),
 202                 STATISTICS_FIELD(memory_used),
 203                 STATISTICS_FIELD(max_hop_count),
 204         };
 205         tmp = s->statistics_current_time.tv_sec - s->statistics_start_time.tv_sec;
 206         seconds = tmp%60;
 207         tmp    /= 60;
 208         minutes = tmp%60;
 209         tmp    /= 60;
 210         hours   = tmp%24;
 211         tmp    /= 24;
 212         days    = tmp;
 213
 214         if (options.machinereadable){
 215                 if (show_header) {
 216                         printf("CTDB version:");
 217                         printf("Current time of statistics:");
 218                         printf("Statistics collected since:");
 219                         for (i=0;i<ARRAY_SIZE(fields);i++) {
 220                                 printf("%s:", fields[i].name);
 221                         }
 222                         printf("num_reclock_ctdbd_latency:");
 223                         printf("min_reclock_ctdbd_latency:");
 224                         printf("avg_reclock_ctdbd_latency:");
 225                         printf("max_reclock_ctdbd_latency:");
 226
 227                         printf("num_reclock_recd_latency:");
 228                         printf("min_reclock_recd_latency:");
 229                         printf("avg_reclock_recd_latency:");
 230                         printf("max_reclock_recd_latency:");
 231
 232                         printf("num_call_latency:");
 233                         printf("min_call_latency:");
 234                         printf("avg_call_latency:");
 235                         printf("max_call_latency:");
 236
 237                         printf("num_lockwait_latency:");
 238                         printf("min_lockwait_latency:");
 239                         printf("avg_lockwait_latency:");
 240                         printf("max_lockwait_latency:");
 241
 242                         printf("num_childwrite_latency:");
 243                         printf("min_childwrite_latency:");
 244                         printf("avg_childwrite_latency:");
 245                         printf("max_childwrite_latency:");
 246                         printf("\n");
 247                 }
 248                 printf("%d:", CTDB_VERSION);
 249                 printf("%d:", (int)s->statistics_current_time.tv_sec);
 250                 printf("%d:", (int)s->statistics_start_time.tv_sec);
 251                 for (i=0;i<ARRAY_SIZE(fields);i++) {
 252                         printf("%d:", *(uint32_t *)(fields[i].offset+(uint8_t *)s));
 253                 }
 254                 printf("%d:", s->reclock.ctdbd.num);
 255                 printf("%.6f:", s->reclock.ctdbd.min);
 256                 printf("%.6f:", s->reclock.ctdbd.num?s->reclock.ctdbd.total/s->reclock.ctdbd.num:0.0);
 257                 printf("%.6f:", s->reclock.ctdbd.max);
 258
 259                 printf("%d:", s->reclock.recd.num);
 260                 printf("%.6f:", s->reclock.recd.min);
 261                 printf("%.6f:", s->reclock.recd.num?s->reclock.recd.total/s->reclock.recd.num:0.0);
 262                 printf("%.6f:", s->reclock.recd.max);
 263
 264                 printf("%d:", s->call_latency.num);
 265                 printf("%.6f:", s->call_latency.min);
 266                 printf("%.6f:", s->call_latency.num?s->call_latency.total/s->call_latency.num:0.0);
 267                 printf("%.6f:", s->call_latency.max);
 268
 269                 printf("%d:", s->lockwait_latency.num);
 270                 printf("%.6f:", s->lockwait_latency.min);
 271                 printf("%.6f:", s->lockwait_latency.num?s->lockwait_latency.total/s->lockwait_latency.num:0.0);
 272                 printf("%.6f:", s->lockwait_latency.max);
 273
 274                 printf("%d:", s->childwrite_latency.num);
 275                 printf("%.6f:", s->childwrite_latency.min);
 276                 printf("%.6f:", s->childwrite_latency.num?s->childwrite_latency.total/s->childwrite_latency.num:0.0);
 277                 printf("%.6f:", s->childwrite_latency.max);
 278                 printf("\n");
 279         } else {
 280                 printf("CTDB version %u\n", CTDB_VERSION);
 281                 printf("Current time of statistics  :                %s", ctime(&s->statistics_current_time.tv_sec));
 282                 printf("Statistics collected since  : (%03d %02d:%02d:%02d) %s", days, hours, minutes, seconds, ctime(&s->statistics_start_time.tv_sec));
 283
 284                 for (i=0;i<ARRAY_SIZE(fields);i++) {
 285                         if (strchr(fields[i].name, '.')) {
 286                                 preflen = strcspn(fields[i].name, ".")+1;
 287                                 if (!prefix || strncmp(prefix, fields[i].name, preflen) != 0) {
 288                                         prefix = fields[i].name;
 289                                         printf(" %*.*s\n", preflen-1, preflen-1, fields[i].name);
 290                                 }
 291                         } else {
 292                                 preflen = 0;
 293                         }
 294                         printf(" %*s%-22s%*s%10u\n",
 295                                preflen?4:0, "",
 296                                fields[i].name+preflen,
 297                                preflen?0:4, "",
 298                                *(uint32_t *)(fields[i].offset+(uint8_t *)s));
 299                 }
 300                 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);
 301
 302                 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);
 303
 304                 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);
 305                 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);
 306                 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);
 307         }
 308
 309         talloc_free(tmp_ctx);
 310 }
 311
 312 /*
 313   display remote ctdb statistics combined from all nodes
 314  */
 315 static int control_statistics_all(struct ctdb_context *ctdb)
 316 {
 317         int ret, i;
 318         struct ctdb_statistics statistics;
 319         uint32_t *nodes;
 320         uint32_t num_nodes;
 321
 322         nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
 323         CTDB_NO_MEMORY(ctdb, nodes);
 324
 325         ZERO_STRUCT(statistics);
 326
 327         for (i=0;i<num_nodes;i++) {
 328                 struct ctdb_statistics s1;
 329                 int j;
 330                 uint32_t *v1 = (uint32_t *)&s1;
 331                 uint32_t *v2 = (uint32_t *)&statistics;
 332                 uint32_t num_ints =
 333                         offsetof(struct ctdb_statistics, __last_counter) / sizeof(uint32_t);
 334                 ret = ctdb_ctrl_statistics(ctdb, nodes[i], &s1);
 335                 if (ret != 0) {
 336                         DEBUG(DEBUG_ERR, ("Unable to get statistics from node %u\n", nodes[i]));
 337                         return ret;
 338                 }
 339                 for (j=0;j<num_ints;j++) {
 340                         v2[j] += v1[j];
 341                 }
 342                 statistics.max_hop_count =
 343                         MAX(statistics.max_hop_count, s1.max_hop_count);
 344                 statistics.call_latency.max =
 345                         MAX(statistics.call_latency.max, s1.call_latency.max);
 346                 statistics.lockwait_latency.max =
 347                         MAX(statistics.lockwait_latency.max, s1.lockwait_latency.max);
 348         }
 349         talloc_free(nodes);
 350         printf("Gathered statistics for %u nodes\n", num_nodes);
 351         show_statistics(&statistics, 1);
 352         return 0;
 353 }
 354
 355 /*
 356   display remote ctdb statistics
 357  */
 358 static int control_statistics(struct ctdb_context *ctdb, int argc, const char **argv)
 359 {
 360         int ret;
 361         struct ctdb_statistics statistics;
 362
 363         if (options.pnn == CTDB_BROADCAST_ALL) {
 364                 return control_statistics_all(ctdb);
 365         }
 366
 367         ret = ctdb_ctrl_statistics(ctdb, options.pnn, &statistics);
 368         if (ret != 0) {
 369                 DEBUG(DEBUG_ERR, ("Unable to get statistics from node %u\n", options.pnn));
 370                 return ret;
 371         }
 372         show_statistics(&statistics, 1);
 373         return 0;
 374 }
 375
 376
 377 /*
 378   reset remote ctdb statistics
 379  */
 380 static int control_statistics_reset(struct ctdb_context *ctdb, int argc, const char **argv)
 381 {
 382         int ret;
 383
 384         ret = ctdb_statistics_reset(ctdb, options.pnn);
 385         if (ret != 0) {
 386                 DEBUG(DEBUG_ERR, ("Unable to reset statistics on node %u\n", options.pnn));
 387                 return ret;
 388         }
 389         return 0;
 390 }
 391
 392
 393 /*
 394   display remote ctdb rolling statistics
 395  */
 396 static int control_stats(struct ctdb_context *ctdb, int argc, const char **argv)
 397 {
 398         int ret;
 399         struct ctdb_statistics_wire *stats;
 400         int i, num_records = -1;
 401
 402         if (argc ==1) {
 403                 num_records = atoi(argv[0]) - 1;
 404         }
 405
 406         ret = ctdb_ctrl_getstathistory(ctdb, TIMELIMIT(), options.pnn, ctdb, &stats);
 407         if (ret != 0) {
 408                 DEBUG(DEBUG_ERR, ("Unable to get rolling statistics from node %u\n", options.pnn));
 409                 return ret;
 410         }
 411         for (i=0;i<stats->num;i++) {
 412                 if (stats->stats[i].statistics_start_time.tv_sec == 0) {
 413                         continue;
 414                 }
 415                 show_statistics(&stats->stats[i], i==0);
 416                 if (i == num_records) {
 417                         break;
 418                 }
 419         }
 420         return 0;
 421 }
 422
 423
 424 /*
 425   display uptime of remote node
 426  */
 427 static int control_uptime(struct ctdb_context *ctdb, int argc, const char **argv)
 428 {
 429         int ret;
 430         struct ctdb_uptime *uptime = NULL;
 431         int tmp, days, hours, minutes, seconds;
 432
 433         ret = ctdb_ctrl_uptime(ctdb, ctdb, TIMELIMIT(), options.pnn, &uptime);
 434         if (ret != 0) {
 435                 DEBUG(DEBUG_ERR, ("Unable to get uptime from node %u\n", options.pnn));
 436                 return ret;
 437         }
 438
 439         if (options.machinereadable){
 440                 printf(":Current Node Time:Ctdb Start Time:Last Recovery/Failover Time:Last Recovery/IPFailover Duration:\n");
 441                 printf(":%u:%u:%u:%lf\n",
 442                         (unsigned int)uptime->current_time.tv_sec,
 443                         (unsigned int)uptime->ctdbd_start_time.tv_sec,
 444                         (unsigned int)uptime->last_recovery_finished.tv_sec,
 445                         timeval_delta(&uptime->last_recovery_finished,
 446                                       &uptime->last_recovery_started)
 447                 );
 448                 return 0;
 449         }
 450
 451         printf("Current time of node          :                %s", ctime(&uptime->current_time.tv_sec));
 452
 453         tmp = uptime->current_time.tv_sec - uptime->ctdbd_start_time.tv_sec;
 454         seconds = tmp%60;
 455         tmp    /= 60;
 456         minutes = tmp%60;
 457         tmp    /= 60;
 458         hours   = tmp%24;
 459         tmp    /= 24;
 460         days    = tmp;
 461         printf("Ctdbd start time              : (%03d %02d:%02d:%02d) %s", days, hours, minutes, seconds, ctime(&uptime->ctdbd_start_time.tv_sec));
 462
 463         tmp = uptime->current_time.tv_sec - uptime->last_recovery_finished.tv_sec;
 464         seconds = tmp%60;
 465         tmp    /= 60;
 466         minutes = tmp%60;
 467         tmp    /= 60;
 468         hours   = tmp%24;
 469         tmp    /= 24;
 470         days    = tmp;
 471         printf("Time of last recovery/failover: (%03d %02d:%02d:%02d) %s", days, hours, minutes, seconds, ctime(&uptime->last_recovery_finished.tv_sec));
 472
 473         printf("Duration of last recovery/failover: %lf seconds\n",
 474                 timeval_delta(&uptime->last_recovery_finished,
 475                               &uptime->last_recovery_started));
 476
 477         return 0;
 478 }
 479
 480 /*
 481   show the PNN of the current node
 482  */
 483 static int control_pnn(struct ctdb_context *ctdb, int argc, const char **argv)
 484 {
 485         uint32_t mypnn;
 486         bool ret;
 487
 488         ret = ctdb_getpnn(ctdb_connection, options.pnn, &mypnn);
 489         if (!ret) {
 490                 DEBUG(DEBUG_ERR, ("Unable to get pnn from node."));
 491                 return -1;
 492         }
 493
 494         printf("PNN:%d\n", mypnn);
 495         return 0;
 496 }
 497
 498
 499 struct pnn_node {
 500         struct pnn_node *next;
 501         const char *addr;
 502         int pnn;
 503 };
 504
 505 static struct pnn_node *read_nodes_file(TALLOC_CTX *mem_ctx)
 506 {
 507         const char *nodes_list;
 508         int nlines;
 509         char **lines;
 510         int i, pnn;
 511         struct pnn_node *pnn_nodes = NULL;
 512         struct pnn_node *pnn_node;
 513         struct pnn_node *tmp_node;
 514
 515         /* read the nodes file */
 516         nodes_list = getenv("CTDB_NODES");
 517         if (nodes_list == NULL) {
 518                 nodes_list = "/etc/ctdb/nodes";
 519         }
 520         lines = file_lines_load(nodes_list, &nlines, mem_ctx);
 521         if (lines == NULL) {
 522                 return NULL;
 523         }
 524         while (nlines > 0 && strcmp(lines[nlines-1], "") == 0) {
 525                 nlines--;
 526         }
 527         for (i=0, pnn=0; i<nlines; i++) {
 528                 char *node;
 529
 530                 node = lines[i];
 531                 /* strip leading spaces */
 532                 while((*node == ' ') || (*node == '\t')) {
 533                         node++;
 534                 }
 535                 if (*node == '#') {
 536                         pnn++;
 537                         continue;
 538                 }
 539                 if (strcmp(node, "") == 0) {
 540                         continue;
 541                 }
 542                 pnn_node = talloc(mem_ctx, struct pnn_node);
 543                 pnn_node->pnn = pnn++;
 544                 pnn_node->addr = talloc_strdup(pnn_node, node);
 545                 pnn_node->next = pnn_nodes;
 546                 pnn_nodes = pnn_node;
 547         }
 548
 549         /* swap them around so we return them in incrementing order */
 550         pnn_node = pnn_nodes;
 551         pnn_nodes = NULL;
 552         while (pnn_node) {
 553                 tmp_node = pnn_node;
 554                 pnn_node = pnn_node->next;
 555
 556                 tmp_node->next = pnn_nodes;
 557                 pnn_nodes = tmp_node;
 558         }
 559
 560         return pnn_nodes;
 561 }
 562
 563 /*
 564   show the PNN of the current node
 565   discover the pnn by loading the nodes file and try to bind to all
 566   addresses one at a time until the ip address is found.
 567  */
 568 static int control_xpnn(struct ctdb_context *ctdb, int argc, const char **argv)
 569 {
 570         TALLOC_CTX *mem_ctx = talloc_new(NULL);
 571         struct pnn_node *pnn_nodes;
 572         struct pnn_node *pnn_node;
 573
 574         pnn_nodes = read_nodes_file(mem_ctx);
 575         if (pnn_nodes == NULL) {
 576                 DEBUG(DEBUG_ERR,("Failed to read nodes file\n"));
 577                 talloc_free(mem_ctx);
 578                 return -1;
 579         }
 580
 581         for(pnn_node=pnn_nodes;pnn_node;pnn_node=pnn_node->next) {
 582                 ctdb_sock_addr addr;
 583
 584                 if (parse_ip(pnn_node->addr, NULL, 63999, &addr) == 0) {
 585                         DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s' in nodes file\n", pnn_node->addr));
 586                         talloc_free(mem_ctx);
 587                         return -1;
 588                 }
 589
 590                 if (ctdb_sys_have_ip(&addr)) {
 591                         printf("PNN:%d\n", pnn_node->pnn);
 592                         talloc_free(mem_ctx);
 593                         return 0;
 594                 }
 595         }
 596
 597         printf("Failed to detect which PNN this node is\n");
 598         talloc_free(mem_ctx);
 599         return -1;
 600 }
 601
 602 /*
 603   display remote ctdb status
 604  */
 605 static int control_status(struct ctdb_context *ctdb, int argc, const char **argv)
 606 {
 607         int i, ret;
 608         struct ctdb_vnn_map *vnnmap=NULL;
 609         struct ctdb_node_map *nodemap=NULL;
 610         uint32_t recmode, recmaster;
 611         int mypnn;
 612
 613         mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
 614         if (mypnn == -1) {
 615                 return -1;
 616         }
 617
 618         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
 619         if (ret != 0) {
 620                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
 621                 return ret;
 622         }
 623
 624         if(options.machinereadable){
 625                 printf(":Node:IP:Disconnected:Banned:Disabled:Unhealthy:Stopped:Inactive:\n");
 626                 for(i=0;i<nodemap->num;i++){
 627                         if (nodemap->nodes[i].flags & NODE_FLAGS_DELETED) {
 628                                 continue;
 629                         }
 630                         printf(":%d:%s:%d:%d:%d:%d:%d:%d:\n", nodemap->nodes[i].pnn,
 631                                 ctdb_addr_to_str(&nodemap->nodes[i].addr),
 632                                !!(nodemap->nodes[i].flags&NODE_FLAGS_DISCONNECTED),
 633                                !!(nodemap->nodes[i].flags&NODE_FLAGS_BANNED),
 634                                !!(nodemap->nodes[i].flags&NODE_FLAGS_PERMANENTLY_DISABLED),
 635                                !!(nodemap->nodes[i].flags&NODE_FLAGS_UNHEALTHY),
 636                                !!(nodemap->nodes[i].flags&NODE_FLAGS_STOPPED),
 637                                !!(nodemap->nodes[i].flags&NODE_FLAGS_INACTIVE));
 638                 }
 639                 return 0;
 640         }
 641
 642         printf("Number of nodes:%d\n", nodemap->num);
 643         for(i=0;i<nodemap->num;i++){
 644                 static const struct {
 645                         uint32_t flag;
 646                         const char *name;
 647                 } flag_names[] = {
 648                         { NODE_FLAGS_DISCONNECTED,          "DISCONNECTED" },
 649                         { NODE_FLAGS_PERMANENTLY_DISABLED,  "DISABLED" },
 650                         { NODE_FLAGS_BANNED,                "BANNED" },
 651                         { NODE_FLAGS_UNHEALTHY,             "UNHEALTHY" },
 652                         { NODE_FLAGS_DELETED,               "DELETED" },
 653                         { NODE_FLAGS_STOPPED,               "STOPPED" },
 654                         { NODE_FLAGS_INACTIVE,              "INACTIVE" },
 655                 };
 656                 char *flags_str = NULL;
 657                 int j;
 658
 659                 if (nodemap->nodes[i].flags & NODE_FLAGS_DELETED) {
 660                         continue;
 661                 }
 662                 for (j=0;j<ARRAY_SIZE(flag_names);j++) {
 663                         if (nodemap->nodes[i].flags & flag_names[j].flag) {
 664                                 if (flags_str == NULL) {
 665                                         flags_str = talloc_strdup(ctdb, flag_names[j].name);
 666                                 } else {
 667                                         flags_str = talloc_asprintf_append(flags_str, "|%s",
 668                                                                            flag_names[j].name);
 669                                 }
 670                                 CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
 671                         }
 672                 }
 673                 if (flags_str == NULL) {
 674                         flags_str = talloc_strdup(ctdb, "OK");
 675                         CTDB_NO_MEMORY_FATAL(ctdb, flags_str);
 676                 }
 677                 printf("pnn:%d %-16s %s%s\n", nodemap->nodes[i].pnn,
 678                        ctdb_addr_to_str(&nodemap->nodes[i].addr),
 679                        flags_str,
 680                        nodemap->nodes[i].pnn == mypnn?" (THIS NODE)":"");
 681                 talloc_free(flags_str);
 682         }
 683
 684         ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &vnnmap);
 685         if (ret != 0) {
 686                 DEBUG(DEBUG_ERR, ("Unable to get vnnmap from node %u\n", options.pnn));
 687                 return ret;
 688         }
 689         if (vnnmap->generation == INVALID_GENERATION) {
 690                 printf("Generation:INVALID\n");
 691         } else {
 692                 printf("Generation:%d\n",vnnmap->generation);
 693         }
 694         printf("Size:%d\n",vnnmap->size);
 695         for(i=0;i<vnnmap->size;i++){
 696                 printf("hash:%d lmaster:%d\n", i, vnnmap->map[i]);
 697         }
 698
 699         ret = ctdb_ctrl_getrecmode(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmode);
 700         if (ret != 0) {
 701                 DEBUG(DEBUG_ERR, ("Unable to get recmode from node %u\n", options.pnn));
 702                 return ret;
 703         }
 704         printf("Recovery mode:%s (%d)\n",recmode==CTDB_RECOVERY_NORMAL?"NORMAL":"RECOVERY",recmode);
 705
 706         ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
 707         if (ret != 0) {
 708                 DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
 709                 return ret;
 710         }
 711         printf("Recovery master:%d\n",recmaster);
 712
 713         return 0;
 714 }
 715
 716
 717 struct natgw_node {
 718         struct natgw_node *next;
 719         const char *addr;
 720 };
 721
 722 /*
 723   display the list of nodes belonging to this natgw configuration
 724  */
 725 static int control_natgwlist(struct ctdb_context *ctdb, int argc, const char **argv)
 726 {
 727         int i, ret;
 728         uint32_t capabilities;
 729         const char *natgw_list;
 730         int nlines;
 731         char **lines;
 732         struct natgw_node *natgw_nodes = NULL;
 733         struct natgw_node *natgw_node;
 734         struct ctdb_node_map *nodemap=NULL;
 735
 736
 737         /* read the natgw nodes file into a linked list */
 738         natgw_list = getenv("NATGW_NODES");
 739         if (natgw_list == NULL) {
 740                 natgw_list = "/etc/ctdb/natgw_nodes";
 741         }
 742         lines = file_lines_load(natgw_list, &nlines, ctdb);
 743         if (lines == NULL) {
 744                 ctdb_set_error(ctdb, "Failed to load natgw node list '%s'\n", natgw_list);
 745                 return -1;
 746         }
 747         while (nlines > 0 && strcmp(lines[nlines-1], "") == 0) {
 748                 nlines--;
 749         }
 750         for (i=0;i<nlines;i++) {
 751                 char *node;
 752
 753                 node = lines[i];
 754                 /* strip leading spaces */
 755                 while((*node == ' ') || (*node == '\t')) {
 756                         node++;
 757                 }
 758                 if (*node == '#') {
 759                         continue;
 760                 }
 761                 if (strcmp(node, "") == 0) {
 762                         continue;
 763                 }
 764                 natgw_node = talloc(ctdb, struct natgw_node);
 765                 natgw_node->addr = talloc_strdup(natgw_node, node);
 766                 CTDB_NO_MEMORY(ctdb, natgw_node->addr);
 767                 natgw_node->next = natgw_nodes;
 768                 natgw_nodes = natgw_node;
 769         }
 770
 771         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
 772         if (ret != 0) {
 773                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node.\n"));
 774                 return ret;
 775         }
 776
 777         i=0;
 778         while(i<nodemap->num) {
 779                 for(natgw_node=natgw_nodes;natgw_node;natgw_node=natgw_node->next) {
 780                         if (!strcmp(natgw_node->addr, ctdb_addr_to_str(&nodemap->nodes[i].addr))) {
 781                                 break;
 782                         }
 783                 }
 784
 785                 /* this node was not in the natgw so we just remove it from
 786                  * the list
 787                  */
 788                 if ((natgw_node == NULL)
 789                 ||  (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) ) {
 790                         int j;
 791
 792                         for (j=i+1; j<nodemap->num; j++) {
 793                                 nodemap->nodes[j-1] = nodemap->nodes[j];
 794                         }
 795                         nodemap->num--;
 796                         continue;
 797                 }
 798
 799                 i++;
 800         }
 801
 802         /* pick a node to be natgwmaster
 803          * we dont allow STOPPED, DELETED, BANNED or UNHEALTHY nodes to become the natgwmaster
 804          */
 805         for(i=0;i<nodemap->num;i++){
 806                 if (!(nodemap->nodes[i].flags & (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_STOPPED|NODE_FLAGS_DELETED|NODE_FLAGS_BANNED|NODE_FLAGS_UNHEALTHY))) {
 807                         ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, &capabilities);
 808                         if (ret != 0) {
 809                                 DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", nodemap->nodes[i].pnn));
 810                                 return ret;
 811                         }
 812                         if (!(capabilities&CTDB_CAP_NATGW)) {
 813                                 continue;
 814                         }
 815                         printf("%d %s\n", nodemap->nodes[i].pnn,ctdb_addr_to_str(&nodemap->nodes[i].addr));
 816                         break;
 817                 }
 818         }
 819         /* we couldnt find any healthy node, try unhealthy ones */
 820         if (i == nodemap->num) {
 821                 for(i=0;i<nodemap->num;i++){
 822                         if (!(nodemap->nodes[i].flags & (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_STOPPED|NODE_FLAGS_DELETED))) {
 823                                 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, &capabilities);
 824                                 if (ret != 0) {
 825                                         DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", nodemap->nodes[i].pnn));
 826                                         return ret;
 827                                 }
 828                                 if (!(capabilities&CTDB_CAP_NATGW)) {
 829                                         continue;
 830                                 }
 831                                 printf("%d %s\n", nodemap->nodes[i].pnn,ctdb_addr_to_str(&nodemap->nodes[i].addr));
 832                                 break;
 833                         }
 834                 }
 835         }
 836         /* unless all nodes are STOPPED, when we pick one anyway */
 837         if (i == nodemap->num) {
 838                 for(i=0;i<nodemap->num;i++){
 839                         if (!(nodemap->nodes[i].flags & (NODE_FLAGS_DISCONNECTED|NODE_FLAGS_DELETED))) {
 840                                 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, &capabilities);
 841                                 if (ret != 0) {
 842                                         DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", nodemap->nodes[i].pnn));
 843                                         return ret;
 844                                 }
 845                                 if (!(capabilities&CTDB_CAP_NATGW)) {
 846                                         continue;
 847                                 }
 848                                 printf("%d %s\n", nodemap->nodes[i].pnn, ctdb_addr_to_str(&nodemap->nodes[i].addr));
 849                                 break;
 850                         }
 851                 }
 852                 /* or if we still can not find any */
 853                 if (i == nodemap->num) {
 854                         printf("-1 0.0.0.0\n");
 855                 }
 856         }
 857
 858         /* print the pruned list of nodes belonging to this natgw list */
 859         for(i=0;i<nodemap->num;i++){
 860                 if (nodemap->nodes[i].flags & NODE_FLAGS_DELETED) {
 861                         continue;
 862                 }
 863                 printf(":%d:%s:%d:%d:%d:%d:%d\n", nodemap->nodes[i].pnn,
 864                         ctdb_addr_to_str(&nodemap->nodes[i].addr),
 865                        !!(nodemap->nodes[i].flags&NODE_FLAGS_DISCONNECTED),
 866                        !!(nodemap->nodes[i].flags&NODE_FLAGS_BANNED),
 867                        !!(nodemap->nodes[i].flags&NODE_FLAGS_PERMANENTLY_DISABLED),
 868                        !!(nodemap->nodes[i].flags&NODE_FLAGS_UNHEALTHY),
 869                        !!(nodemap->nodes[i].flags&NODE_FLAGS_STOPPED));
 870         }
 871
 872         return 0;
 873 }
 874
 875 /*
 876   display the status of the scripts for monitoring (or other events)
 877  */
 878 static int control_one_scriptstatus(struct ctdb_context *ctdb,
 879                                     enum ctdb_eventscript_call type)
 880 {
 881         struct ctdb_scripts_wire *script_status;
 882         int ret, i;
 883
 884         ret = ctdb_ctrl_getscriptstatus(ctdb, TIMELIMIT(), options.pnn, ctdb, type, &script_status);
 885         if (ret != 0) {
 886                 DEBUG(DEBUG_ERR, ("Unable to get script status from node %u\n", options.pnn));
 887                 return ret;
 888         }
 889
 890         if (script_status == NULL) {
 891                 if (!options.machinereadable) {
 892                         printf("%s cycle never run\n",
 893                                ctdb_eventscript_call_names[type]);
 894                 }
 895                 return 0;
 896         }
 897
 898         if (!options.machinereadable) {
 899                 printf("%d scripts were executed last %s cycle\n",
 900                        script_status->num_scripts,
 901                        ctdb_eventscript_call_names[type]);
 902         }
 903         for (i=0; i<script_status->num_scripts; i++) {
 904                 const char *status = NULL;
 905
 906                 switch (script_status->scripts[i].status) {
 907                 case -ETIME:
 908                         status = "TIMEDOUT";
 909                         break;
 910                 case -ENOEXEC:
 911                         status = "DISABLED";
 912                         break;
 913                 case 0:
 914                         status = "OK";
 915                         break;
 916                 default:
 917                         if (script_status->scripts[i].status > 0)
 918                                 status = "ERROR";
 919                         break;
 920                 }
 921                 if (options.machinereadable) {
 922                         printf("%s:%s:%i:%s:%lu.%06lu:%lu.%06lu:%s:\n",
 923                                ctdb_eventscript_call_names[type],
 924                                script_status->scripts[i].name,
 925                                script_status->scripts[i].status,
 926                                status,
 927                                (long)script_status->scripts[i].start.tv_sec,
 928                                (long)script_status->scripts[i].start.tv_usec,
 929                                (long)script_status->scripts[i].finished.tv_sec,
 930                                (long)script_status->scripts[i].finished.tv_usec,
 931                                script_status->scripts[i].output);
 932                         continue;
 933                 }
 934                 if (status)
 935                         printf("%-20s Status:%s    ",
 936                                script_status->scripts[i].name, status);
 937                 else
 938                         /* Some other error, eg from stat. */
 939                         printf("%-20s Status:CANNOT RUN (%s)",
 940                                script_status->scripts[i].name,
 941                                strerror(-script_status->scripts[i].status));
 942
 943                 if (script_status->scripts[i].status >= 0) {
 944                         printf("Duration:%.3lf ",
 945                         timeval_delta(&script_status->scripts[i].finished,
 946                               &script_status->scripts[i].start));
 947                 }
 948                 if (script_status->scripts[i].status != -ENOEXEC) {
 949                         printf("%s",
 950                                ctime(&script_status->scripts[i].start.tv_sec));
 951                         if (script_status->scripts[i].status != 0) {
 952                                 printf("   OUTPUT:%s\n",
 953                                        script_status->scripts[i].output);
 954                         }
 955                 } else {
 956                         printf("\n");
 957                 }
 958         }
 959         return 0;
 960 }
 961
 962
 963 static int control_scriptstatus(struct ctdb_context *ctdb,
 964                                 int argc, const char **argv)
 965 {
 966         int ret;
 967         enum ctdb_eventscript_call type, min, max;
 968         const char *arg;
 969
 970         if (argc > 1) {
 971                 DEBUG(DEBUG_ERR, ("Unknown arguments to scriptstatus\n"));
 972                 return -1;
 973         }
 974
 975         if (argc == 0)
 976                 arg = ctdb_eventscript_call_names[CTDB_EVENT_MONITOR];
 977         else
 978                 arg = argv[0];
 979
 980         for (type = 0; type < CTDB_EVENT_MAX; type++) {
 981                 if (strcmp(arg, ctdb_eventscript_call_names[type]) == 0) {
 982                         min = type;
 983                         max = type+1;
 984                         break;
 985                 }
 986         }
 987         if (type == CTDB_EVENT_MAX) {
 988                 if (strcmp(arg, "all") == 0) {
 989                         min = 0;
 990                         max = CTDB_EVENT_MAX;
 991                 } else {
 992                         DEBUG(DEBUG_ERR, ("Unknown event type %s\n", argv[0]));
 993                         return -1;
 994                 }
 995         }
 996
 997         if (options.machinereadable) {
 998                 printf(":Type:Name:Code:Status:Start:End:Error Output...:\n");
 999         }
1000
1001         for (type = min; type < max; type++) {
1002                 ret = control_one_scriptstatus(ctdb, type);
1003                 if (ret != 0) {
1004                         return ret;
1005                 }
1006         }
1007
1008         return 0;
1009 }
1010
1011 /*
1012   enable an eventscript
1013  */
1014 static int control_enablescript(struct ctdb_context *ctdb, int argc, const char **argv)
1015 {
1016         int ret;
1017
1018         if (argc < 1) {
1019                 usage();
1020         }
1021
1022         ret = ctdb_ctrl_enablescript(ctdb, TIMELIMIT(), options.pnn, argv[0]);
1023         if (ret != 0) {
1024           DEBUG(DEBUG_ERR, ("Unable to enable script %s on node %u\n", argv[0], options.pnn));
1025                 return ret;
1026         }
1027
1028         return 0;
1029 }
1030
1031 /*
1032   disable an eventscript
1033  */
1034 static int control_disablescript(struct ctdb_context *ctdb, int argc, const char **argv)
1035 {
1036         int ret;
1037
1038         if (argc < 1) {
1039                 usage();
1040         }
1041
1042         ret = ctdb_ctrl_disablescript(ctdb, TIMELIMIT(), options.pnn, argv[0]);
1043         if (ret != 0) {
1044           DEBUG(DEBUG_ERR, ("Unable to disable script %s on node %u\n", argv[0], options.pnn));
1045                 return ret;
1046         }
1047
1048         return 0;
1049 }
1050
1051 /*
1052   display the pnn of the recovery master
1053  */
1054 static int control_recmaster(struct ctdb_context *ctdb, int argc, const char **argv)
1055 {
1056         int ret;
1057         uint32_t recmaster;
1058
1059         ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
1060         if (ret != 0) {
1061                 DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
1062                 return ret;
1063         }
1064         printf("%d\n",recmaster);
1065
1066         return 0;
1067 }
1068
1069 /*
1070   add a tickle to a public address
1071  */
1072 static int control_add_tickle(struct ctdb_context *ctdb, int argc, const char **argv)
1073 {
1074         struct ctdb_tcp_connection t;
1075         TDB_DATA data;
1076         int ret;
1077
1078         if (argc < 2) {
1079                 usage();
1080         }
1081
1082         if (parse_ip_port(argv[0], &t.src_addr) == 0) {
1083                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
1084                 return -1;
1085         }
1086         if (parse_ip_port(argv[1], &t.dst_addr) == 0) {
1087                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[1]));
1088                 return -1;
1089         }
1090
1091         data.dptr = (uint8_t *)&t;
1092         data.dsize = sizeof(t);
1093
1094         /* tell all nodes about this tcp connection */
1095         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_TCP_ADD_DELAYED_UPDATE,
1096                            0, data, ctdb, NULL, NULL, NULL, NULL);
1097         if (ret != 0) {
1098                 DEBUG(DEBUG_ERR,("Failed to add tickle\n"));
1099                 return -1;
1100         }
1101
1102         return 0;
1103 }
1104
1105
1106 /*
1107   delete a tickle from a node
1108  */
1109 static int control_del_tickle(struct ctdb_context *ctdb, int argc, const char **argv)
1110 {
1111         struct ctdb_tcp_connection t;
1112         TDB_DATA data;
1113         int ret;
1114
1115         if (argc < 2) {
1116                 usage();
1117         }
1118
1119         if (parse_ip_port(argv[0], &t.src_addr) == 0) {
1120                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
1121                 return -1;
1122         }
1123         if (parse_ip_port(argv[1], &t.dst_addr) == 0) {
1124                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[1]));
1125                 return -1;
1126         }
1127
1128         data.dptr = (uint8_t *)&t;
1129         data.dsize = sizeof(t);
1130
1131         /* tell all nodes about this tcp connection */
1132         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_TCP_REMOVE,
1133                            0, data, ctdb, NULL, NULL, NULL, NULL);
1134         if (ret != 0) {
1135                 DEBUG(DEBUG_ERR,("Failed to remove tickle\n"));
1136                 return -1;
1137         }
1138
1139         return 0;
1140 }
1141
1142
1143 /*
1144   get a list of all tickles for this pnn
1145  */
1146 static int control_get_tickles(struct ctdb_context *ctdb, int argc, const char **argv)
1147 {
1148         struct ctdb_control_tcp_tickle_list *list;
1149         ctdb_sock_addr addr;
1150         int i, ret;
1151         unsigned port = 0;
1152
1153         if (argc < 1) {
1154                 usage();
1155         }
1156
1157         if (argc == 2) {
1158                 port = atoi(argv[1]);
1159         }
1160
1161         if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
1162                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
1163                 return -1;
1164         }
1165
1166         ret = ctdb_ctrl_get_tcp_tickles(ctdb, TIMELIMIT(), options.pnn, ctdb, &addr, &list);
1167         if (ret == -1) {
1168                 DEBUG(DEBUG_ERR, ("Unable to list tickles\n"));
1169                 return -1;
1170         }
1171
1172         if (options.machinereadable){
1173                 printf(":source ip:port:destination ip:port:\n");
1174                 for (i=0;i<list->tickles.num;i++) {
1175                         if (port && port != ntohs(list->tickles.connections[i].dst_addr.ip.sin_port)) {
1176                                 continue;
1177                         }
1178                         printf(":%s:%u", ctdb_addr_to_str(&list->tickles.connections[i].src_addr), ntohs(list->tickles.connections[i].src_addr.ip.sin_port));
1179                         printf(":%s:%u:\n", ctdb_addr_to_str(&list->tickles.connections[i].dst_addr), ntohs(list->tickles.connections[i].dst_addr.ip.sin_port));
1180                 }
1181         } else {
1182                 printf("Tickles for ip:%s\n", ctdb_addr_to_str(&list->addr));
1183                 printf("Num tickles:%u\n", list->tickles.num);
1184                 for (i=0;i<list->tickles.num;i++) {
1185                         if (port && port != ntohs(list->tickles.connections[i].dst_addr.ip.sin_port)) {
1186                                 continue;
1187                         }
1188                         printf("SRC: %s:%u   ", ctdb_addr_to_str(&list->tickles.connections[i].src_addr), ntohs(list->tickles.connections[i].src_addr.ip.sin_port));
1189                         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));
1190                 }
1191         }
1192
1193         talloc_free(list);
1194
1195         return 0;
1196 }
1197
1198
1199 static int move_ip(struct ctdb_context *ctdb, ctdb_sock_addr *addr, uint32_t pnn)
1200 {
1201         struct ctdb_all_public_ips *ips;
1202         struct ctdb_public_ip ip;
1203         int i, ret;
1204         uint32_t *nodes;
1205         uint32_t disable_time;
1206         TDB_DATA data;
1207         struct ctdb_node_map *nodemap=NULL;
1208         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1209
1210         disable_time = 30;
1211         data.dptr  = (uint8_t*)&disable_time;
1212         data.dsize = sizeof(disable_time);
1213         ret = ctdb_client_send_message(ctdb, CTDB_BROADCAST_CONNECTED, CTDB_SRVID_DISABLE_IP_CHECK, data);
1214         if (ret != 0) {
1215                 DEBUG(DEBUG_ERR,("Failed to send message to disable ipcheck\n"));
1216                 return -1;
1217         }
1218
1219
1220
1221         /* read the public ip list from the node */
1222         ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), pnn, ctdb, &ips);
1223         if (ret != 0) {
1224                 DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", pnn));
1225                 talloc_free(tmp_ctx);
1226                 return -1;
1227         }
1228
1229         for (i=0;i<ips->num;i++) {
1230                 if (ctdb_same_ip(addr, &ips->ips[i].addr)) {
1231                         break;
1232                 }
1233         }
1234         if (i==ips->num) {
1235                 DEBUG(DEBUG_ERR, ("Node %u can not host ip address '%s'\n",
1236                         pnn, ctdb_addr_to_str(addr)));
1237                 talloc_free(tmp_ctx);
1238                 return -1;
1239         }
1240
1241         ip.pnn  = pnn;
1242         ip.addr = *addr;
1243
1244         data.dptr  = (uint8_t *)&ip;
1245         data.dsize = sizeof(ip);
1246
1247         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &nodemap);
1248         if (ret != 0) {
1249                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1250                 talloc_free(tmp_ctx);
1251                 return ret;
1252         }
1253
1254         nodes = list_of_active_nodes_except_pnn(ctdb, nodemap, tmp_ctx, pnn);
1255         ret = ctdb_client_async_control(ctdb, CTDB_CONTROL_RELEASE_IP,
1256                                         nodes, 0,
1257                                         LONGTIMELIMIT(),
1258                                         false, data,
1259                                         NULL, NULL,
1260                                         NULL);
1261         if (ret != 0) {
1262                 DEBUG(DEBUG_ERR,("Failed to release IP on nodes\n"));
1263                 talloc_free(tmp_ctx);
1264                 return -1;
1265         }
1266
1267         ret = ctdb_ctrl_takeover_ip(ctdb, LONGTIMELIMIT(), pnn, &ip);
1268         if (ret != 0) {
1269                 DEBUG(DEBUG_ERR,("Failed to take over IP on node %d\n", pnn));
1270                 talloc_free(tmp_ctx);
1271                 return -1;
1272         }
1273
1274         /* update the recovery daemon so it now knows to expect the new
1275            node assignment for this ip.
1276         */
1277         ret = ctdb_client_send_message(ctdb, CTDB_BROADCAST_CONNECTED, CTDB_SRVID_RECD_UPDATE_IP, data);
1278         if (ret != 0) {
1279                 DEBUG(DEBUG_ERR,("Failed to send message to update the ip on the recovery master.\n"));
1280                 return -1;
1281         }
1282
1283         talloc_free(tmp_ctx);
1284         return 0;
1285 }
1286
1287 /*
1288   move/failover an ip address to a specific node
1289  */
1290 static int control_moveip(struct ctdb_context *ctdb, int argc, const char **argv)
1291 {
1292         uint32_t pnn;
1293         ctdb_sock_addr addr;
1294
1295         if (argc < 2) {
1296                 usage();
1297                 return -1;
1298         }
1299
1300         if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
1301                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
1302                 return -1;
1303         }
1304
1305
1306         if (sscanf(argv[1], "%u", &pnn) != 1) {
1307                 DEBUG(DEBUG_ERR, ("Badly formed pnn\n"));
1308                 return -1;
1309         }
1310
1311         if (move_ip(ctdb, &addr, pnn) != 0) {
1312                 DEBUG(DEBUG_ERR,("Failed to move ip to node %d\n", pnn));
1313                 return -1;
1314         }
1315
1316         return 0;
1317 }
1318
1319 void getips_store_callback(void *param, void *data)
1320 {
1321         struct ctdb_public_ip *node_ip = (struct ctdb_public_ip *)data;
1322         struct ctdb_all_public_ips *ips = param;
1323         int i;
1324
1325         i = ips->num++;
1326         ips->ips[i].pnn  = node_ip->pnn;
1327         ips->ips[i].addr = node_ip->addr;
1328 }
1329
1330 void getips_count_callback(void *param, void *data)
1331 {
1332         uint32_t *count = param;
1333
1334         (*count)++;
1335 }
1336
1337 #define IP_KEYLEN       4
1338 static uint32_t *ip_key(ctdb_sock_addr *ip)
1339 {
1340         static uint32_t key[IP_KEYLEN];
1341
1342         bzero(key, sizeof(key));
1343
1344         switch (ip->sa.sa_family) {
1345         case AF_INET:
1346                 key[0]  = ip->ip.sin_addr.s_addr;
1347                 break;
1348         case AF_INET6:
1349                 key[0]  = ip->ip6.sin6_addr.s6_addr32[3];
1350                 key[1]  = ip->ip6.sin6_addr.s6_addr32[2];
1351                 key[2]  = ip->ip6.sin6_addr.s6_addr32[1];
1352                 key[3]  = ip->ip6.sin6_addr.s6_addr32[0];
1353                 break;
1354         default:
1355                 DEBUG(DEBUG_ERR, (__location__ " ERROR, unknown family passed :%u\n", ip->sa.sa_family));
1356                 return key;
1357         }
1358
1359         return key;
1360 }
1361
1362 static void *add_ip_callback(void *parm, void *data)
1363 {
1364         return parm;
1365 }
1366
1367 static int
1368 control_get_all_public_ips(struct ctdb_context *ctdb, TALLOC_CTX *tmp_ctx, struct ctdb_all_public_ips **ips)
1369 {
1370         struct ctdb_all_public_ips *tmp_ips;
1371         struct ctdb_node_map *nodemap=NULL;
1372         trbt_tree_t *ip_tree;
1373         int i, j, len, ret;
1374         uint32_t count;
1375
1376         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
1377         if (ret != 0) {
1378                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1379                 return ret;
1380         }
1381
1382         ip_tree = trbt_create(tmp_ctx, 0);
1383
1384         for(i=0;i<nodemap->num;i++){
1385                 if (nodemap->nodes[i].flags & NODE_FLAGS_DELETED) {
1386                         continue;
1387                 }
1388                 if (nodemap->nodes[i].flags & NODE_FLAGS_DISCONNECTED) {
1389                         continue;
1390                 }
1391
1392                 /* read the public ip list from this node */
1393                 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &tmp_ips);
1394                 if (ret != 0) {
1395                         DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", nodemap->nodes[i].pnn));
1396                         return -1;
1397                 }
1398
1399                 for (j=0; j<tmp_ips->num;j++) {
1400                         struct ctdb_public_ip *node_ip;
1401
1402                         node_ip = talloc(tmp_ctx, struct ctdb_public_ip);
1403                         node_ip->pnn  = tmp_ips->ips[j].pnn;
1404                         node_ip->addr = tmp_ips->ips[j].addr;
1405
1406                         trbt_insertarray32_callback(ip_tree,
1407                                 IP_KEYLEN, ip_key(&tmp_ips->ips[j].addr),
1408                                 add_ip_callback,
1409                                 node_ip);
1410                 }
1411                 talloc_free(tmp_ips);
1412         }
1413
1414         /* traverse */
1415         count = 0;
1416         trbt_traversearray32(ip_tree, IP_KEYLEN, getips_count_callback, &count);
1417
1418         len = offsetof(struct ctdb_all_public_ips, ips) +
1419                 count*sizeof(struct ctdb_public_ip);
1420         tmp_ips = talloc_zero_size(tmp_ctx, len);
1421         trbt_traversearray32(ip_tree, IP_KEYLEN, getips_store_callback, tmp_ips);
1422
1423         *ips = tmp_ips;
1424
1425         return 0;
1426 }
1427
1428
1429 /*
1430  * scans all other nodes and returns a pnn for another node that can host this
1431  * ip address or -1
1432  */
1433 static int
1434 find_other_host_for_public_ip(struct ctdb_context *ctdb, ctdb_sock_addr *addr)
1435 {
1436         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1437         struct ctdb_all_public_ips *ips;
1438         struct ctdb_node_map *nodemap=NULL;
1439         int i, j, ret;
1440
1441         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
1442         if (ret != 0) {
1443                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
1444                 talloc_free(tmp_ctx);
1445                 return ret;
1446         }
1447
1448         for(i=0;i<nodemap->num;i++){
1449                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
1450                         continue;
1451                 }
1452                 if (nodemap->nodes[i].pnn == options.pnn) {
1453                         continue;
1454                 }
1455
1456                 /* read the public ip list from this node */
1457                 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &ips);
1458                 if (ret != 0) {
1459                         DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %u\n", nodemap->nodes[i].pnn));
1460                         return -1;
1461                 }
1462
1463                 for (j=0;j<ips->num;j++) {
1464                         if (ctdb_same_ip(addr, &ips->ips[j].addr)) {
1465                                 talloc_free(tmp_ctx);
1466                                 return nodemap->nodes[i].pnn;
1467                         }
1468                 }
1469                 talloc_free(ips);
1470         }
1471
1472         talloc_free(tmp_ctx);
1473         return -1;
1474 }
1475
1476 /*
1477   add a public ip address to a node
1478  */
1479 static int control_addip(struct ctdb_context *ctdb, int argc, const char **argv)
1480 {
1481         int i, ret;
1482         int len;
1483         uint32_t pnn;
1484         unsigned mask;
1485         ctdb_sock_addr addr;
1486         struct ctdb_control_ip_iface *pub;
1487         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1488         struct ctdb_all_public_ips *ips;
1489
1490
1491         if (argc != 2) {
1492                 talloc_free(tmp_ctx);
1493                 usage();
1494         }
1495
1496         if (!parse_ip_mask(argv[0], argv[1], &addr, &mask)) {
1497                 DEBUG(DEBUG_ERR, ("Badly formed ip/mask : %s\n", argv[0]));
1498                 talloc_free(tmp_ctx);
1499                 return -1;
1500         }
1501
1502         ret = control_get_all_public_ips(ctdb, tmp_ctx, &ips);
1503         if (ret != 0) {
1504                 DEBUG(DEBUG_ERR, ("Unable to get public ip list from cluster\n"));
1505                 talloc_free(tmp_ctx);
1506                 return ret;
1507         }
1508
1509
1510         /* check if some other node is already serving this ip, if not,
1511          * we will claim it
1512          */
1513         for (i=0;i<ips->num;i++) {
1514                 if (ctdb_same_ip(&addr, &ips->ips[i].addr)) {
1515                         break;
1516                 }
1517         }
1518
1519         len = offsetof(struct ctdb_control_ip_iface, iface) + strlen(argv[1]) + 1;
1520         pub = talloc_size(tmp_ctx, len);
1521         CTDB_NO_MEMORY(ctdb, pub);
1522
1523         pub->addr  = addr;
1524         pub->mask  = mask;
1525         pub->len   = strlen(argv[1])+1;
1526         memcpy(&pub->iface[0], argv[1], strlen(argv[1])+1);
1527
1528         ret = ctdb_ctrl_add_public_ip(ctdb, TIMELIMIT(), options.pnn, pub);
1529         if (ret != 0) {
1530                 DEBUG(DEBUG_ERR, ("Unable to add public ip to node %u\n", options.pnn));
1531                 talloc_free(tmp_ctx);
1532                 return ret;
1533         }
1534
1535         if (i == ips->num) {
1536                 /* no one has this ip so we claim it */
1537                 pnn  = options.pnn;
1538         } else {
1539                 pnn  = ips->ips[i].pnn;
1540         }
1541
1542         if (move_ip(ctdb, &addr, pnn) != 0) {
1543                 DEBUG(DEBUG_ERR,("Failed to move ip to node %d\n", pnn));
1544                 return -1;
1545         }
1546
1547         talloc_free(tmp_ctx);
1548         return 0;
1549 }
1550
1551 static int control_delip(struct ctdb_context *ctdb, int argc, const char **argv);
1552
1553 static int control_delip_all(struct ctdb_context *ctdb, int argc, const char **argv, ctdb_sock_addr *addr)
1554 {
1555         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1556         struct ctdb_node_map *nodemap=NULL;
1557         struct ctdb_all_public_ips *ips;
1558         int ret, i, j;
1559
1560         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, tmp_ctx, &nodemap);
1561         if (ret != 0) {
1562                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from current node\n"));
1563                 return ret;
1564         }
1565
1566         /* remove it from the nodes that are not hosting the ip currently */
1567         for(i=0;i<nodemap->num;i++){
1568                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
1569                         continue;
1570                 }
1571                 if (ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &ips) != 0) {
1572                         DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %d\n", nodemap->nodes[i].pnn));
1573                         continue;
1574                 }
1575
1576                 for (j=0;j<ips->num;j++) {
1577                         if (ctdb_same_ip(addr, &ips->ips[j].addr)) {
1578                                 break;
1579                         }
1580                 }
1581                 if (j==ips->num) {
1582                         continue;
1583                 }
1584
1585                 if (ips->ips[j].pnn == nodemap->nodes[i].pnn) {
1586                         continue;
1587                 }
1588
1589                 options.pnn = nodemap->nodes[i].pnn;
1590                 control_delip(ctdb, argc, argv);
1591         }
1592
1593
1594         /* remove it from every node (also the one hosting it) */
1595         for(i=0;i<nodemap->num;i++){
1596                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
1597                         continue;
1598                 }
1599                 if (ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), nodemap->nodes[i].pnn, tmp_ctx, &ips) != 0) {
1600                         DEBUG(DEBUG_ERR, ("Unable to get public ip list from node %d\n", nodemap->nodes[i].pnn));
1601                         continue;
1602                 }
1603
1604                 for (j=0;j<ips->num;j++) {
1605                         if (ctdb_same_ip(addr, &ips->ips[j].addr)) {
1606                                 break;
1607                         }
1608                 }
1609                 if (j==ips->num) {
1610                         continue;
1611                 }
1612
1613                 options.pnn = nodemap->nodes[i].pnn;
1614                 control_delip(ctdb, argc, argv);
1615         }
1616
1617         talloc_free(tmp_ctx);
1618         return 0;
1619 }
1620
1621 /*
1622   delete a public ip address from a node
1623  */
1624 static int control_delip(struct ctdb_context *ctdb, int argc, const char **argv)
1625 {
1626         int i, ret;
1627         ctdb_sock_addr addr;
1628         struct ctdb_control_ip_iface pub;
1629         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1630         struct ctdb_all_public_ips *ips;
1631
1632         if (argc != 1) {
1633                 talloc_free(tmp_ctx);
1634                 usage();
1635         }
1636
1637         if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
1638                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
1639                 return -1;
1640         }
1641
1642         if (options.pnn == CTDB_BROADCAST_ALL) {
1643                 return control_delip_all(ctdb, argc, argv, &addr);
1644         }
1645
1646         pub.addr  = addr;
1647         pub.mask  = 0;
1648         pub.len   = 0;
1649
1650         ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &ips);
1651         if (ret != 0) {
1652                 DEBUG(DEBUG_ERR, ("Unable to get public ip list from cluster\n"));
1653                 talloc_free(tmp_ctx);
1654                 return ret;
1655         }
1656
1657         for (i=0;i<ips->num;i++) {
1658                 if (ctdb_same_ip(&addr, &ips->ips[i].addr)) {
1659                         break;
1660                 }
1661         }
1662
1663         if (i==ips->num) {
1664                 DEBUG(DEBUG_ERR, ("This node does not support this public address '%s'\n",
1665                         ctdb_addr_to_str(&addr)));
1666                 talloc_free(tmp_ctx);
1667                 return -1;
1668         }
1669
1670         if (ips->ips[i].pnn == options.pnn) {
1671                 ret = find_other_host_for_public_ip(ctdb, &addr);
1672                 if (ret != -1) {
1673                         if (move_ip(ctdb, &addr, ret) != 0) {
1674                                 DEBUG(DEBUG_ERR,("Failed to move ip to node %d\n", ret));
1675                                 return -1;
1676                         }
1677                 }
1678         }
1679
1680         ret = ctdb_ctrl_del_public_ip(ctdb, TIMELIMIT(), options.pnn, &pub);
1681         if (ret != 0) {
1682                 DEBUG(DEBUG_ERR, ("Unable to del public ip from node %u\n", options.pnn));
1683                 talloc_free(tmp_ctx);
1684                 return ret;
1685         }
1686
1687         talloc_free(tmp_ctx);
1688         return 0;
1689 }
1690
1691 /*
1692   kill a tcp connection
1693  */
1694 static int kill_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
1695 {
1696         int ret;
1697         struct ctdb_control_killtcp killtcp;
1698
1699         if (argc < 2) {
1700                 usage();
1701         }
1702
1703         if (!parse_ip_port(argv[0], &killtcp.src_addr)) {
1704                 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[0]));
1705                 return -1;
1706         }
1707
1708         if (!parse_ip_port(argv[1], &killtcp.dst_addr)) {
1709                 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[1]));
1710                 return -1;
1711         }
1712
1713         ret = ctdb_ctrl_killtcp(ctdb, TIMELIMIT(), options.pnn, &killtcp);
1714         if (ret != 0) {
1715                 DEBUG(DEBUG_ERR, ("Unable to killtcp from node %u\n", options.pnn));
1716                 return ret;
1717         }
1718
1719         return 0;
1720 }
1721
1722
1723 /*
1724   send a gratious arp
1725  */
1726 static int control_gratious_arp(struct ctdb_context *ctdb, int argc, const char **argv)
1727 {
1728         int ret;
1729         ctdb_sock_addr addr;
1730
1731         if (argc < 2) {
1732                 usage();
1733         }
1734
1735         if (!parse_ip(argv[0], NULL, 0, &addr)) {
1736                 DEBUG(DEBUG_ERR, ("Bad IP '%s'\n", argv[0]));
1737                 return -1;
1738         }
1739
1740         ret = ctdb_ctrl_gratious_arp(ctdb, TIMELIMIT(), options.pnn, &addr, argv[1]);
1741         if (ret != 0) {
1742                 DEBUG(DEBUG_ERR, ("Unable to send gratious_arp from node %u\n", options.pnn));
1743                 return ret;
1744         }
1745
1746         return 0;
1747 }
1748
1749 /*
1750   register a server id
1751  */
1752 static int regsrvid(struct ctdb_context *ctdb, int argc, const char **argv)
1753 {
1754         int ret;
1755         struct ctdb_server_id server_id;
1756
1757         if (argc < 3) {
1758                 usage();
1759         }
1760
1761         server_id.pnn       = strtoul(argv[0], NULL, 0);
1762         server_id.type      = strtoul(argv[1], NULL, 0);
1763         server_id.server_id = strtoul(argv[2], NULL, 0);
1764
1765         ret = ctdb_ctrl_register_server_id(ctdb, TIMELIMIT(), &server_id);
1766         if (ret != 0) {
1767                 DEBUG(DEBUG_ERR, ("Unable to register server_id from node %u\n", options.pnn));
1768                 return ret;
1769         }
1770         DEBUG(DEBUG_ERR,("Srvid registered. Sleeping for 999 seconds\n"));
1771         sleep(999);
1772         return -1;
1773 }
1774
1775 /*
1776   unregister a server id
1777  */
1778 static int unregsrvid(struct ctdb_context *ctdb, int argc, const char **argv)
1779 {
1780         int ret;
1781         struct ctdb_server_id server_id;
1782
1783         if (argc < 3) {
1784                 usage();
1785         }
1786
1787         server_id.pnn       = strtoul(argv[0], NULL, 0);
1788         server_id.type      = strtoul(argv[1], NULL, 0);
1789         server_id.server_id = strtoul(argv[2], NULL, 0);
1790
1791         ret = ctdb_ctrl_unregister_server_id(ctdb, TIMELIMIT(), &server_id);
1792         if (ret != 0) {
1793                 DEBUG(DEBUG_ERR, ("Unable to unregister server_id from node %u\n", options.pnn));
1794                 return ret;
1795         }
1796         return -1;
1797 }
1798
1799 /*
1800   check if a server id exists
1801  */
1802 static int chksrvid(struct ctdb_context *ctdb, int argc, const char **argv)
1803 {
1804         uint32_t status;
1805         int ret;
1806         struct ctdb_server_id server_id;
1807
1808         if (argc < 3) {
1809                 usage();
1810         }
1811
1812         server_id.pnn       = strtoul(argv[0], NULL, 0);
1813         server_id.type      = strtoul(argv[1], NULL, 0);
1814         server_id.server_id = strtoul(argv[2], NULL, 0);
1815
1816         ret = ctdb_ctrl_check_server_id(ctdb, TIMELIMIT(), options.pnn, &server_id, &status);
1817         if (ret != 0) {
1818                 DEBUG(DEBUG_ERR, ("Unable to check server_id from node %u\n", options.pnn));
1819                 return ret;
1820         }
1821
1822         if (status) {
1823                 printf("Server id %d:%d:%d EXISTS\n", server_id.pnn, server_id.type, server_id.server_id);
1824         } else {
1825                 printf("Server id %d:%d:%d does NOT exist\n", server_id.pnn, server_id.type, server_id.server_id);
1826         }
1827         return 0;
1828 }
1829
1830 /*
1831   get a list of all server ids that are registered on a node
1832  */
1833 static int getsrvids(struct ctdb_context *ctdb, int argc, const char **argv)
1834 {
1835         int i, ret;
1836         struct ctdb_server_id_list *server_ids;
1837
1838         ret = ctdb_ctrl_get_server_id_list(ctdb, ctdb, TIMELIMIT(), options.pnn, &server_ids);
1839         if (ret != 0) {
1840                 DEBUG(DEBUG_ERR, ("Unable to get server_id list from node %u\n", options.pnn));
1841                 return ret;
1842         }
1843
1844         for (i=0; i<server_ids->num; i++) {
1845                 printf("Server id %d:%d:%d\n",
1846                         server_ids->server_ids[i].pnn,
1847                         server_ids->server_ids[i].type,
1848                         server_ids->server_ids[i].server_id);
1849         }
1850
1851         return -1;
1852 }
1853
1854 /*
1855   send a tcp tickle ack
1856  */
1857 static int tickle_tcp(struct ctdb_context *ctdb, int argc, const char **argv)
1858 {
1859         int ret;
1860         ctdb_sock_addr  src, dst;
1861
1862         if (argc < 2) {
1863                 usage();
1864         }
1865
1866         if (!parse_ip_port(argv[0], &src)) {
1867                 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[0]));
1868                 return -1;
1869         }
1870
1871         if (!parse_ip_port(argv[1], &dst)) {
1872                 DEBUG(DEBUG_ERR, ("Bad IP:port '%s'\n", argv[1]));
1873                 return -1;
1874         }
1875
1876         ret = ctdb_sys_send_tcp(&src, &dst, 0, 0, 0);
1877         if (ret==0) {
1878                 return 0;
1879         }
1880         DEBUG(DEBUG_ERR, ("Error while sending tickle ack\n"));
1881
1882         return -1;
1883 }
1884
1885
1886 /*
1887   display public ip status
1888  */
1889 static int control_ip(struct ctdb_context *ctdb, int argc, const char **argv)
1890 {
1891         int i, ret;
1892         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
1893         struct ctdb_all_public_ips *ips;
1894
1895         if (options.pnn == CTDB_BROADCAST_ALL) {
1896                 /* read the list of public ips from all nodes */
1897                 ret = control_get_all_public_ips(ctdb, tmp_ctx, &ips);
1898         } else {
1899                 /* read the public ip list from this node */
1900                 ret = ctdb_ctrl_get_public_ips(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &ips);
1901         }
1902         if (ret != 0) {
1903                 DEBUG(DEBUG_ERR, ("Unable to get public ips from node %u\n", options.pnn));
1904                 talloc_free(tmp_ctx);
1905                 return ret;
1906         }
1907
1908         if (options.machinereadable){
1909                 printf(":Public IP:Node:");
1910                 if (options.verbose){
1911                         printf("ActiveInterface:AvailableInterfaces:ConfiguredInterfaces:");
1912                 }
1913                 printf("\n");
1914         } else {
1915                 if (options.pnn == CTDB_BROADCAST_ALL) {
1916                         printf("Public IPs on ALL nodes\n");
1917                 } else {
1918                         printf("Public IPs on node %u\n", options.pnn);
1919                 }
1920         }
1921
1922         for (i=1;i<=ips->num;i++) {
1923                 struct ctdb_control_public_ip_info *info = NULL;
1924                 int32_t pnn;
1925                 char *aciface = NULL;
1926                 char *avifaces = NULL;
1927                 char *cifaces = NULL;
1928
1929                 if (options.pnn == CTDB_BROADCAST_ALL) {
1930                         pnn = ips->ips[ips->num-i].pnn;
1931                 } else {
1932                         pnn = options.pnn;
1933                 }
1934
1935                 if (pnn != -1) {
1936                         ret = ctdb_ctrl_get_public_ip_info(ctdb, TIMELIMIT(), pnn, ctdb,
1937                                                    &ips->ips[ips->num-i].addr, &info);
1938                 } else {
1939                         ret = -1;
1940                 }
1941
1942                 if (ret == 0) {
1943                         int j;
1944                         for (j=0; j < info->num; j++) {
1945                                 if (cifaces == NULL) {
1946                                         cifaces = talloc_strdup(info,
1947                                                                 info->ifaces[j].name);
1948                                 } else {
1949                                         cifaces = talloc_asprintf_append(cifaces,
1950                                                                          ",%s",
1951                                                                          info->ifaces[j].name);
1952                                 }
1953
1954                                 if (info->active_idx == j) {
1955                                         aciface = info->ifaces[j].name;
1956                                 }
1957
1958                                 if (info->ifaces[j].link_state == 0) {
1959                                         continue;
1960                                 }
1961
1962                                 if (avifaces == NULL) {
1963                                         avifaces = talloc_strdup(info, info->ifaces[j].name);
1964                                 } else {
1965                                         avifaces = talloc_asprintf_append(avifaces,
1966                                                                           ",%s",
1967                                                                           info->ifaces[j].name);
1968                                 }
1969                         }
1970                 }
1971
1972                 if (options.machinereadable){
1973                         printf(":%s:%d:",
1974                                 ctdb_addr_to_str(&ips->ips[ips->num-i].addr),
1975                                 ips->ips[ips->num-i].pnn);
1976                         if (options.verbose){
1977                                 printf("%s:%s:%s:",
1978                                         aciface?aciface:"",
1979                                         avifaces?avifaces:"",
1980                                         cifaces?cifaces:"");
1981                         }
1982                         printf("\n");
1983                 } else {
1984                         if (options.verbose) {
1985                                 printf("%s node[%d] active[%s] available[%s] configured[%s]\n",
1986                                         ctdb_addr_to_str(&ips->ips[ips->num-i].addr),
1987                                         ips->ips[ips->num-i].pnn,
1988                                         aciface?aciface:"",
1989                                         avifaces?avifaces:"",
1990                                         cifaces?cifaces:"");
1991                         } else {
1992                                 printf("%s %d\n",
1993                                         ctdb_addr_to_str(&ips->ips[ips->num-i].addr),
1994                                         ips->ips[ips->num-i].pnn);
1995                         }
1996                 }
1997                 talloc_free(info);
1998         }
1999
2000         talloc_free(tmp_ctx);
2001         return 0;
2002 }
2003
2004 /*
2005   public ip info
2006  */
2007 static int control_ipinfo(struct ctdb_context *ctdb, int argc, const char **argv)
2008 {
2009         int i, ret;
2010         ctdb_sock_addr addr;
2011         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
2012         struct ctdb_control_public_ip_info *info;
2013
2014         if (argc != 1) {
2015                 talloc_free(tmp_ctx);
2016                 usage();
2017         }
2018
2019         if (parse_ip(argv[0], NULL, 0, &addr) == 0) {
2020                 DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s'\n", argv[0]));
2021                 return -1;
2022         }
2023
2024         /* read the public ip info from this node */
2025         ret = ctdb_ctrl_get_public_ip_info(ctdb, TIMELIMIT(), options.pnn,
2026                                            tmp_ctx, &addr, &info);
2027         if (ret != 0) {
2028                 DEBUG(DEBUG_ERR, ("Unable to get public ip[%s]info from node %u\n",
2029                                   argv[0], options.pnn));
2030                 talloc_free(tmp_ctx);
2031                 return ret;
2032         }
2033
2034         printf("Public IP[%s] info on node %u\n",
2035                ctdb_addr_to_str(&info->ip.addr),
2036                options.pnn);
2037
2038         printf("IP:%s\nCurrentNode:%d\nNumInterfaces:%u\n",
2039                ctdb_addr_to_str(&info->ip.addr),
2040                info->ip.pnn, info->num);
2041
2042         for (i=0; i<info->num; i++) {
2043                 info->ifaces[i].name[CTDB_IFACE_SIZE] = '\0';
2044
2045                 printf("Interface[%u]: Name:%s Link:%s References:%u%s\n",
2046                        i+1, info->ifaces[i].name,
2047                        info->ifaces[i].link_state?"up":"down",
2048                        (unsigned int)info->ifaces[i].references,
2049                        (i==info->active_idx)?" (active)":"");
2050         }
2051
2052         talloc_free(tmp_ctx);
2053         return 0;
2054 }
2055
2056 /*
2057   display interfaces status
2058  */
2059 static int control_ifaces(struct ctdb_context *ctdb, int argc, const char **argv)
2060 {
2061         int i, ret;
2062         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
2063         struct ctdb_control_get_ifaces *ifaces;
2064
2065         /* read the public ip list from this node */
2066         ret = ctdb_ctrl_get_ifaces(ctdb, TIMELIMIT(), options.pnn,
2067                                    tmp_ctx, &ifaces);
2068         if (ret != 0) {
2069                 DEBUG(DEBUG_ERR, ("Unable to get interfaces from node %u\n",
2070                                   options.pnn));
2071                 talloc_free(tmp_ctx);
2072                 return ret;
2073         }
2074
2075         if (options.machinereadable){
2076                 printf(":Name:LinkStatus:References:\n");
2077         } else {
2078                 printf("Interfaces on node %u\n", options.pnn);
2079         }
2080
2081         for (i=0; i<ifaces->num; i++) {
2082                 if (options.machinereadable){
2083                         printf(":%s:%s:%u\n",
2084                                ifaces->ifaces[i].name,
2085                                ifaces->ifaces[i].link_state?"1":"0",
2086                                (unsigned int)ifaces->ifaces[i].references);
2087                 } else {
2088                         printf("name:%s link:%s references:%u\n",
2089                                ifaces->ifaces[i].name,
2090                                ifaces->ifaces[i].link_state?"up":"down",
2091                                (unsigned int)ifaces->ifaces[i].references);
2092                 }
2093         }
2094
2095         talloc_free(tmp_ctx);
2096         return 0;
2097 }
2098
2099
2100 /*
2101   set link status of an interface
2102  */
2103 static int control_setifacelink(struct ctdb_context *ctdb, int argc, const char **argv)
2104 {
2105         int ret;
2106         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
2107         struct ctdb_control_iface_info info;
2108
2109         ZERO_STRUCT(info);
2110
2111         if (argc != 2) {
2112                 usage();
2113         }
2114
2115         if (strlen(argv[0]) > CTDB_IFACE_SIZE) {
2116                 DEBUG(DEBUG_ERR, ("interfaces name '%s' too long\n",
2117                                   argv[0]));
2118                 talloc_free(tmp_ctx);
2119                 return -1;
2120         }
2121         strcpy(info.name, argv[0]);
2122
2123         if (strcmp(argv[1], "up") == 0) {
2124                 info.link_state = 1;
2125         } else if (strcmp(argv[1], "down") == 0) {
2126                 info.link_state = 0;
2127         } else {
2128                 DEBUG(DEBUG_ERR, ("link state invalid '%s' should be 'up' or 'down'\n",
2129                                   argv[1]));
2130                 talloc_free(tmp_ctx);
2131                 return -1;
2132         }
2133
2134         /* read the public ip list from this node */
2135         ret = ctdb_ctrl_set_iface_link(ctdb, TIMELIMIT(), options.pnn,
2136                                    tmp_ctx, &info);
2137         if (ret != 0) {
2138                 DEBUG(DEBUG_ERR, ("Unable to set link state for interfaces %s node %u\n",
2139                                   argv[0], options.pnn));
2140                 talloc_free(tmp_ctx);
2141                 return ret;
2142         }
2143
2144         talloc_free(tmp_ctx);
2145         return 0;
2146 }
2147
2148 /*
2149   display pid of a ctdb daemon
2150  */
2151 static int control_getpid(struct ctdb_context *ctdb, int argc, const char **argv)
2152 {
2153         uint32_t pid;
2154         int ret;
2155
2156         ret = ctdb_ctrl_getpid(ctdb, TIMELIMIT(), options.pnn, &pid);
2157         if (ret != 0) {
2158                 DEBUG(DEBUG_ERR, ("Unable to get daemon pid from node %u\n", options.pnn));
2159                 return ret;
2160         }
2161         printf("Pid:%d\n", pid);
2162
2163         return 0;
2164 }
2165
2166 static uint32_t ipreallocate_finished;
2167
2168 /*
2169   handler for receiving the response to ipreallocate
2170 */
2171 static void ip_reallocate_handler(struct ctdb_context *ctdb, uint64_t srvid,
2172                              TDB_DATA data, void *private_data)
2173 {
2174         ipreallocate_finished = 1;
2175 }
2176
2177 static void ctdb_every_second(struct event_context *ev, struct timed_event *te, struct timeval t, void *p)
2178 {
2179         struct ctdb_context *ctdb = talloc_get_type(p, struct ctdb_context);
2180
2181         event_add_timed(ctdb->ev, ctdb,
2182                                 timeval_current_ofs(1, 0),
2183                                 ctdb_every_second, ctdb);
2184 }
2185
2186 /*
2187   ask the recovery daemon on the recovery master to perform a ip reallocation
2188  */
2189 static int control_ipreallocate(struct ctdb_context *ctdb, int argc, const char **argv)
2190 {
2191         int i, ret;
2192         TDB_DATA data;
2193         struct takeover_run_reply rd;
2194         uint32_t recmaster;
2195         struct ctdb_node_map *nodemap=NULL;
2196         int retries=0;
2197         struct timeval tv = timeval_current();
2198
2199         /* we need some events to trigger so we can timeout and restart
2200            the loop
2201         */
2202         event_add_timed(ctdb->ev, ctdb,
2203                                 timeval_current_ofs(1, 0),
2204                                 ctdb_every_second, ctdb);
2205
2206         rd.pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
2207         if (rd.pnn == -1) {
2208                 DEBUG(DEBUG_ERR, ("Failed to get pnn of local node\n"));
2209                 return -1;
2210         }
2211         rd.srvid = getpid();
2212
2213         /* register a message port for receiveing the reply so that we
2214            can receive the reply
2215         */
2216         ctdb_client_set_message_handler(ctdb, rd.srvid, ip_reallocate_handler, NULL);
2217
2218         data.dptr = (uint8_t *)&rd;
2219         data.dsize = sizeof(rd);
2220
2221 again:
2222         /* check that there are valid nodes available */
2223         if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap) != 0) {
2224                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2225                 return -1;
2226         }
2227         for (i=0; i<nodemap->num;i++) {
2228                 if ((nodemap->nodes[i].flags & (NODE_FLAGS_DELETED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)) == 0) {
2229                         break;
2230                 }
2231         }
2232         if (i==nodemap->num) {
2233                 DEBUG(DEBUG_ERR,("No recmaster available, no need to wait for cluster convergence\n"));
2234                 return 0;
2235         }
2236
2237
2238         ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
2239         if (ret != 0) {
2240                 DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
2241                 return ret;
2242         }
2243
2244         /* verify the node exists */
2245         if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), recmaster, ctdb, &nodemap) != 0) {
2246                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2247                 return -1;
2248         }
2249
2250
2251         /* check tha there are nodes available that can act as a recmaster */
2252         for (i=0; i<nodemap->num; i++) {
2253                 if (nodemap->nodes[i].flags & (NODE_FLAGS_DELETED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)) {
2254                         continue;
2255                 }
2256                 break;
2257         }
2258         if (i == nodemap->num) {
2259                 DEBUG(DEBUG_ERR,("No possible nodes to host addresses.\n"));
2260                 return 0;
2261         }
2262
2263         /* verify the recovery master is not STOPPED, nor BANNED */
2264         if (nodemap->nodes[recmaster].flags & (NODE_FLAGS_DELETED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)) {
2265                 DEBUG(DEBUG_ERR,("No suitable recmaster found. Try again\n"));
2266                 retries++;
2267                 sleep(1);
2268                 goto again;
2269         }
2270
2271
2272         /* verify the recovery master is not STOPPED, nor BANNED */
2273         if (nodemap->nodes[recmaster].flags & (NODE_FLAGS_DELETED|NODE_FLAGS_BANNED|NODE_FLAGS_STOPPED)) {
2274                 DEBUG(DEBUG_ERR,("No suitable recmaster found. Try again\n"));
2275                 retries++;
2276                 sleep(1);
2277                 goto again;
2278         }
2279
2280         ipreallocate_finished = 0;
2281         ret = ctdb_client_send_message(ctdb, recmaster, CTDB_SRVID_TAKEOVER_RUN, data);
2282         if (ret != 0) {
2283                 DEBUG(DEBUG_ERR,("Failed to send ip takeover run request message to %u\n", options.pnn));
2284                 return -1;
2285         }
2286
2287         tv = timeval_current();
2288         /* this loop will terminate when we have received the reply */
2289         while (timeval_elapsed(&tv) < 3.0) {
2290                 event_loop_once(ctdb->ev);
2291         }
2292         if (ipreallocate_finished == 1) {
2293                 return 0;
2294         }
2295
2296         retries++;
2297         sleep(1);
2298         goto again;
2299
2300         return 0;
2301 }
2302
2303
2304 /*
2305   disable a remote node
2306  */
2307 static int control_disable(struct ctdb_context *ctdb, int argc, const char **argv)
2308 {
2309         int ret;
2310         struct ctdb_node_map *nodemap=NULL;
2311
2312         /* check if the node is already disabled */
2313         if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2314                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2315                 exit(10);
2316         }
2317         if (nodemap->nodes[options.pnn].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
2318                 DEBUG(DEBUG_ERR,("Node %d is already disabled.\n", options.pnn));
2319                 return 0;
2320         }
2321
2322         do {
2323                 ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.pnn, NODE_FLAGS_PERMANENTLY_DISABLED, 0);
2324                 if (ret != 0) {
2325                         DEBUG(DEBUG_ERR, ("Unable to disable node %u\n", options.pnn));
2326                         return ret;
2327                 }
2328
2329                 sleep(1);
2330
2331                 /* read the nodemap and verify the change took effect */
2332                 if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2333                         DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2334                         exit(10);
2335                 }
2336
2337         } while (!(nodemap->nodes[options.pnn].flags & NODE_FLAGS_PERMANENTLY_DISABLED));
2338         ret = control_ipreallocate(ctdb, argc, argv);
2339         if (ret != 0) {
2340                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2341                 return ret;
2342         }
2343
2344         return 0;
2345 }
2346
2347 /*
2348   enable a disabled remote node
2349  */
2350 static int control_enable(struct ctdb_context *ctdb, int argc, const char **argv)
2351 {
2352         int ret;
2353
2354         struct ctdb_node_map *nodemap=NULL;
2355
2356
2357         /* check if the node is already enabled */
2358         if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2359                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2360                 exit(10);
2361         }
2362         if (!(nodemap->nodes[options.pnn].flags & NODE_FLAGS_PERMANENTLY_DISABLED)) {
2363                 DEBUG(DEBUG_ERR,("Node %d is already enabled.\n", options.pnn));
2364                 return 0;
2365         }
2366
2367         do {
2368                 ret = ctdb_ctrl_modflags(ctdb, TIMELIMIT(), options.pnn, 0, NODE_FLAGS_PERMANENTLY_DISABLED);
2369                 if (ret != 0) {
2370                         DEBUG(DEBUG_ERR, ("Unable to enable node %u\n", options.pnn));
2371                         return ret;
2372                 }
2373
2374                 sleep(1);
2375
2376                 /* read the nodemap and verify the change took effect */
2377                 if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2378                         DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2379                         exit(10);
2380                 }
2381
2382         } while (nodemap->nodes[options.pnn].flags & NODE_FLAGS_PERMANENTLY_DISABLED);
2383
2384         ret = control_ipreallocate(ctdb, argc, argv);
2385         if (ret != 0) {
2386                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2387                 return ret;
2388         }
2389
2390         return 0;
2391 }
2392
2393 /*
2394   stop a remote node
2395  */
2396 static int control_stop(struct ctdb_context *ctdb, int argc, const char **argv)
2397 {
2398         int ret;
2399         struct ctdb_node_map *nodemap=NULL;
2400
2401         do {
2402                 ret = ctdb_ctrl_stop_node(ctdb, TIMELIMIT(), options.pnn);
2403                 if (ret != 0) {
2404                         DEBUG(DEBUG_ERR, ("Unable to stop node %u   try again\n", options.pnn));
2405                 }
2406
2407                 sleep(1);
2408
2409                 /* read the nodemap and verify the change took effect */
2410                 if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2411                         DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2412                         exit(10);
2413                 }
2414
2415         } while (!(nodemap->nodes[options.pnn].flags & NODE_FLAGS_STOPPED));
2416         ret = control_ipreallocate(ctdb, argc, argv);
2417         if (ret != 0) {
2418                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2419                 return ret;
2420         }
2421
2422         return 0;
2423 }
2424
2425 /*
2426   restart a stopped remote node
2427  */
2428 static int control_continue(struct ctdb_context *ctdb, int argc, const char **argv)
2429 {
2430         int ret;
2431
2432         struct ctdb_node_map *nodemap=NULL;
2433
2434         do {
2435                 ret = ctdb_ctrl_continue_node(ctdb, TIMELIMIT(), options.pnn);
2436                 if (ret != 0) {
2437                         DEBUG(DEBUG_ERR, ("Unable to continue node %u\n", options.pnn));
2438                         return ret;
2439                 }
2440
2441                 sleep(1);
2442
2443                 /* read the nodemap and verify the change took effect */
2444                 if (ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap) != 0) {
2445                         DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2446                         exit(10);
2447                 }
2448
2449         } while (nodemap->nodes[options.pnn].flags & NODE_FLAGS_STOPPED);
2450         ret = control_ipreallocate(ctdb, argc, argv);
2451         if (ret != 0) {
2452                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2453                 return ret;
2454         }
2455
2456         return 0;
2457 }
2458
2459 static uint32_t get_generation(struct ctdb_context *ctdb)
2460 {
2461         struct ctdb_vnn_map *vnnmap=NULL;
2462         int ret;
2463
2464         /* wait until the recmaster is not in recovery mode */
2465         while (1) {
2466                 uint32_t recmode, recmaster;
2467
2468                 if (vnnmap != NULL) {
2469                         talloc_free(vnnmap);
2470                         vnnmap = NULL;
2471                 }
2472
2473                 /* get the recmaster */
2474                 ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, &recmaster);
2475                 if (ret != 0) {
2476                         DEBUG(DEBUG_ERR, ("Unable to get recmaster from node %u\n", options.pnn));
2477                         exit(10);
2478                 }
2479
2480                 /* get recovery mode */
2481                 ret = ctdb_ctrl_getrecmode(ctdb, ctdb, TIMELIMIT(), recmaster, &recmode);
2482                 if (ret != 0) {
2483                         DEBUG(DEBUG_ERR, ("Unable to get recmode from node %u\n", options.pnn));
2484                         exit(10);
2485                 }
2486
2487                 /* get the current generation number */
2488                 ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), recmaster, ctdb, &vnnmap);
2489                 if (ret != 0) {
2490                         DEBUG(DEBUG_ERR, ("Unable to get vnnmap from recmaster (%u)\n", recmaster));
2491                         exit(10);
2492                 }
2493
2494                 if ((recmode == CTDB_RECOVERY_NORMAL)
2495                 &&  (vnnmap->generation != 1)){
2496                         return vnnmap->generation;
2497                 }
2498                 sleep(1);
2499         }
2500 }
2501
2502 /*
2503   ban a node from the cluster
2504  */
2505 static int control_ban(struct ctdb_context *ctdb, int argc, const char **argv)
2506 {
2507         int ret;
2508         struct ctdb_node_map *nodemap=NULL;
2509         struct ctdb_ban_time bantime;
2510
2511         if (argc < 1) {
2512                 usage();
2513         }
2514
2515         /* verify the node exists */
2516         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
2517         if (ret != 0) {
2518                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2519                 return ret;
2520         }
2521
2522         if (nodemap->nodes[options.pnn].flags & NODE_FLAGS_BANNED) {
2523                 DEBUG(DEBUG_ERR,("Node %u is already banned.\n", options.pnn));
2524                 return -1;
2525         }
2526
2527         bantime.pnn  = options.pnn;
2528         bantime.time = strtoul(argv[0], NULL, 0);
2529
2530         ret = ctdb_ctrl_set_ban(ctdb, TIMELIMIT(), options.pnn, &bantime);
2531         if (ret != 0) {
2532                 DEBUG(DEBUG_ERR,("Banning node %d for %d seconds failed.\n", bantime.pnn, bantime.time));
2533                 return -1;
2534         }
2535
2536         ret = control_ipreallocate(ctdb, argc, argv);
2537         if (ret != 0) {
2538                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2539                 return ret;
2540         }
2541
2542         return 0;
2543 }
2544
2545
2546 /*
2547   unban a node from the cluster
2548  */
2549 static int control_unban(struct ctdb_context *ctdb, int argc, const char **argv)
2550 {
2551         int ret;
2552         struct ctdb_node_map *nodemap=NULL;
2553         struct ctdb_ban_time bantime;
2554
2555         /* verify the node exists */
2556         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
2557         if (ret != 0) {
2558                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2559                 return ret;
2560         }
2561
2562         if (!(nodemap->nodes[options.pnn].flags & NODE_FLAGS_BANNED)) {
2563                 DEBUG(DEBUG_ERR,("Node %u is not banned.\n", options.pnn));
2564                 return -1;
2565         }
2566
2567         bantime.pnn  = options.pnn;
2568         bantime.time = 0;
2569
2570         ret = ctdb_ctrl_set_ban(ctdb, TIMELIMIT(), options.pnn, &bantime);
2571         if (ret != 0) {
2572                 DEBUG(DEBUG_ERR,("Unbanning node %d failed.\n", bantime.pnn));
2573                 return -1;
2574         }
2575
2576         ret = control_ipreallocate(ctdb, argc, argv);
2577         if (ret != 0) {
2578                 DEBUG(DEBUG_ERR, ("IP Reallocate failed on node %u\n", options.pnn));
2579                 return ret;
2580         }
2581
2582         return 0;
2583 }
2584
2585
2586 /*
2587   show ban information for a node
2588  */
2589 static int control_showban(struct ctdb_context *ctdb, int argc, const char **argv)
2590 {
2591         int ret;
2592         struct ctdb_node_map *nodemap=NULL;
2593         struct ctdb_ban_time *bantime;
2594
2595         /* verify the node exists */
2596         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
2597         if (ret != 0) {
2598                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
2599                 return ret;
2600         }
2601
2602         ret = ctdb_ctrl_get_ban(ctdb, TIMELIMIT(), options.pnn, ctdb, &bantime);
2603         if (ret != 0) {
2604                 DEBUG(DEBUG_ERR,("Showing ban info for node %d failed.\n", options.pnn));
2605                 return -1;
2606         }
2607
2608         if (bantime->time == 0) {
2609                 printf("Node %u is not banned\n", bantime->pnn);
2610         } else {
2611                 printf("Node %u is banned banned for %d seconds\n", bantime->pnn, bantime->time);
2612         }
2613
2614         return 0;
2615 }
2616
2617 /*
2618   shutdown a daemon
2619  */
2620 static int control_shutdown(struct ctdb_context *ctdb, int argc, const char **argv)
2621 {
2622         int ret;
2623
2624         ret = ctdb_ctrl_shutdown(ctdb, TIMELIMIT(), options.pnn);
2625         if (ret != 0) {
2626                 DEBUG(DEBUG_ERR, ("Unable to shutdown node %u\n", options.pnn));
2627                 return ret;
2628         }
2629
2630         return 0;
2631 }
2632
2633 /*
2634   trigger a recovery
2635  */
2636 static int control_recover(struct ctdb_context *ctdb, int argc, const char **argv)
2637 {
2638         int ret;
2639         uint32_t generation, next_generation;
2640
2641         /* record the current generation number */
2642         generation = get_generation(ctdb);
2643
2644         ret = ctdb_ctrl_freeze_priority(ctdb, TIMELIMIT(), options.pnn, 1);
2645         if (ret != 0) {
2646                 DEBUG(DEBUG_ERR, ("Unable to freeze node\n"));
2647                 return ret;
2648         }
2649
2650         ret = ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
2651         if (ret != 0) {
2652                 DEBUG(DEBUG_ERR, ("Unable to set recovery mode\n"));
2653                 return ret;
2654         }
2655
2656         /* wait until we are in a new generation */
2657         while (1) {
2658                 next_generation = get_generation(ctdb);
2659                 if (next_generation != generation) {
2660                         return 0;
2661                 }
2662                 sleep(1);
2663         }
2664
2665         return 0;
2666 }
2667
2668
2669 /*
2670   display monitoring mode of a remote node
2671  */
2672 static int control_getmonmode(struct ctdb_context *ctdb, int argc, const char **argv)
2673 {
2674         uint32_t monmode;
2675         int ret;
2676
2677         ret = ctdb_ctrl_getmonmode(ctdb, TIMELIMIT(), options.pnn, &monmode);
2678         if (ret != 0) {
2679                 DEBUG(DEBUG_ERR, ("Unable to get monmode from node %u\n", options.pnn));
2680                 return ret;
2681         }
2682         if (!options.machinereadable){
2683                 printf("Monitoring mode:%s (%d)\n",monmode==CTDB_MONITORING_ACTIVE?"ACTIVE":"DISABLED",monmode);
2684         } else {
2685                 printf(":mode:\n");
2686                 printf(":%d:\n",monmode);
2687         }
2688         return 0;
2689 }
2690
2691
2692 /*
2693   display capabilities of a remote node
2694  */
2695 static int control_getcapabilities(struct ctdb_context *ctdb, int argc, const char **argv)
2696 {
2697         uint32_t capabilities;
2698         int ret;
2699
2700         ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), options.pnn, &capabilities);
2701         if (ret != 0) {
2702                 DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", options.pnn));
2703                 return ret;
2704         }
2705
2706         if (!options.machinereadable){
2707                 printf("RECMASTER: %s\n", (capabilities&CTDB_CAP_RECMASTER)?"YES":"NO");
2708                 printf("LMASTER: %s\n", (capabilities&CTDB_CAP_LMASTER)?"YES":"NO");
2709                 printf("LVS: %s\n", (capabilities&CTDB_CAP_LVS)?"YES":"NO");
2710                 printf("NATGW: %s\n", (capabilities&CTDB_CAP_NATGW)?"YES":"NO");
2711         } else {
2712                 printf(":RECMASTER:LMASTER:LVS:NATGW:\n");
2713                 printf(":%d:%d:%d:%d:\n",
2714                         !!(capabilities&CTDB_CAP_RECMASTER),
2715                         !!(capabilities&CTDB_CAP_LMASTER),
2716                         !!(capabilities&CTDB_CAP_LVS),
2717                         !!(capabilities&CTDB_CAP_NATGW));
2718         }
2719         return 0;
2720 }
2721
2722 /*
2723   display lvs configuration
2724  */
2725 static int control_lvs(struct ctdb_context *ctdb, int argc, const char **argv)
2726 {
2727         uint32_t *capabilities;
2728         struct ctdb_node_map *nodemap=NULL;
2729         int i, ret;
2730         int healthy_count = 0;
2731
2732         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
2733         if (ret != 0) {
2734                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
2735                 return ret;
2736         }
2737
2738         capabilities = talloc_array(ctdb, uint32_t, nodemap->num);
2739         CTDB_NO_MEMORY(ctdb, capabilities);
2740
2741         /* collect capabilities for all connected nodes */
2742         for (i=0; i<nodemap->num; i++) {
2743                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
2744                         continue;
2745                 }
2746                 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
2747                         continue;
2748                 }
2749
2750                 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), i, &capabilities[i]);
2751                 if (ret != 0) {
2752                         DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", i));
2753                         return ret;
2754                 }
2755
2756                 if (!(capabilities[i] & CTDB_CAP_LVS)) {
2757                         continue;
2758                 }
2759
2760                 if (!(nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY)) {
2761                         healthy_count++;
2762                 }
2763         }
2764
2765         /* Print all LVS nodes */
2766         for (i=0; i<nodemap->num; i++) {
2767                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
2768                         continue;
2769                 }
2770                 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
2771                         continue;
2772                 }
2773                 if (!(capabilities[i] & CTDB_CAP_LVS)) {
2774                         continue;
2775                 }
2776
2777                 if (healthy_count != 0) {
2778                         if (nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY) {
2779                                 continue;
2780                         }
2781                 }
2782
2783                 printf("%d:%s\n", i,
2784                         ctdb_addr_to_str(&nodemap->nodes[i].addr));
2785         }
2786
2787         return 0;
2788 }
2789
2790 /*
2791   display who is the lvs master
2792  */
2793 static int control_lvsmaster(struct ctdb_context *ctdb, int argc, const char **argv)
2794 {
2795         uint32_t *capabilities;
2796         struct ctdb_node_map *nodemap=NULL;
2797         int i, ret;
2798         int healthy_count = 0;
2799
2800         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
2801         if (ret != 0) {
2802                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
2803                 return ret;
2804         }
2805
2806         capabilities = talloc_array(ctdb, uint32_t, nodemap->num);
2807         CTDB_NO_MEMORY(ctdb, capabilities);
2808
2809         /* collect capabilities for all connected nodes */
2810         for (i=0; i<nodemap->num; i++) {
2811                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
2812                         continue;
2813                 }
2814                 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
2815                         continue;
2816                 }
2817
2818                 ret = ctdb_ctrl_getcapabilities(ctdb, TIMELIMIT(), i, &capabilities[i]);
2819                 if (ret != 0) {
2820                         DEBUG(DEBUG_ERR, ("Unable to get capabilities from node %u\n", i));
2821                         return ret;
2822                 }
2823
2824                 if (!(capabilities[i] & CTDB_CAP_LVS)) {
2825                         continue;
2826                 }
2827
2828                 if (!(nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY)) {
2829                         healthy_count++;
2830                 }
2831         }
2832
2833         /* find and show the lvsmaster */
2834         for (i=0; i<nodemap->num; i++) {
2835                 if (nodemap->nodes[i].flags & NODE_FLAGS_INACTIVE) {
2836                         continue;
2837                 }
2838                 if (nodemap->nodes[i].flags & NODE_FLAGS_PERMANENTLY_DISABLED) {
2839                         continue;
2840                 }
2841                 if (!(capabilities[i] & CTDB_CAP_LVS)) {
2842                         continue;
2843                 }
2844
2845                 if (healthy_count != 0) {
2846                         if (nodemap->nodes[i].flags & NODE_FLAGS_UNHEALTHY) {
2847                                 continue;
2848                         }
2849                 }
2850
2851                 if (options.machinereadable){
2852                         printf("%d\n", i);
2853                 } else {
2854                         printf("Node %d is LVS master\n", i);
2855                 }
2856                 return 0;
2857         }
2858
2859         printf("There is no LVS master\n");
2860         return -1;
2861 }
2862
2863 /*
2864   disable monitoring on a  node
2865  */
2866 static int control_disable_monmode(struct ctdb_context *ctdb, int argc, const char **argv)
2867 {
2868
2869         int ret;
2870
2871         ret = ctdb_ctrl_disable_monmode(ctdb, TIMELIMIT(), options.pnn);
2872         if (ret != 0) {
2873                 DEBUG(DEBUG_ERR, ("Unable to disable monmode on node %u\n", options.pnn));
2874                 return ret;
2875         }
2876         printf("Monitoring mode:%s\n","DISABLED");
2877
2878         return 0;
2879 }
2880
2881 /*
2882   enable monitoring on a  node
2883  */
2884 static int control_enable_monmode(struct ctdb_context *ctdb, int argc, const char **argv)
2885 {
2886
2887         int ret;
2888
2889         ret = ctdb_ctrl_enable_monmode(ctdb, TIMELIMIT(), options.pnn);
2890         if (ret != 0) {
2891                 DEBUG(DEBUG_ERR, ("Unable to enable monmode on node %u\n", options.pnn));
2892                 return ret;
2893         }
2894         printf("Monitoring mode:%s\n","ACTIVE");
2895
2896         return 0;
2897 }
2898
2899 /*
2900   display remote list of keys/data for a db
2901  */
2902 static int control_catdb(struct ctdb_context *ctdb, int argc, const char **argv)
2903 {
2904         const char *db_name;
2905         struct ctdb_db_context *ctdb_db;
2906         int ret;
2907
2908         if (argc < 1) {
2909                 usage();
2910         }
2911
2912         db_name = argv[0];
2913
2914
2915         if (db_exists(ctdb, db_name)) {
2916                 DEBUG(DEBUG_ERR,("Database '%s' does not exist\n", db_name));
2917                 return -1;
2918         }
2919
2920         ctdb_db = ctdb_attach(ctdb, db_name, false, 0);
2921
2922         if (ctdb_db == NULL) {
2923                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
2924                 return -1;
2925         }
2926
2927         /* traverse and dump the cluster tdb */
2928         ret = ctdb_dump_db(ctdb_db, stdout);
2929         if (ret == -1) {
2930                 DEBUG(DEBUG_ERR, ("Unable to dump database\n"));
2931                 DEBUG(DEBUG_ERR, ("Maybe try 'ctdb getdbstatus %s'"
2932                                   " and 'ctdb getvar AllowUnhealthyDBRead'\n",
2933                                   db_name));
2934                 return -1;
2935         }
2936         talloc_free(ctdb_db);
2937
2938         printf("Dumped %d records\n", ret);
2939         return 0;
2940 }
2941
2942 /*
2943   display the content of a database key
2944  */
2945 static int control_readkey(struct ctdb_context *ctdb, int argc, const char **argv)
2946 {
2947         const char *db_name;
2948         struct ctdb_db_context *ctdb_db;
2949         struct ctdb_record_handle *h;
2950         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
2951         TDB_DATA key, data;
2952
2953         if (argc < 2) {
2954                 usage();
2955         }
2956
2957         db_name = argv[0];
2958
2959
2960         if (db_exists(ctdb, db_name)) {
2961                 DEBUG(DEBUG_ERR,("Database '%s' does not exist\n", db_name));
2962                 return -1;
2963         }
2964
2965         ctdb_db = ctdb_attach(ctdb, db_name, false, 0);
2966
2967         if (ctdb_db == NULL) {
2968                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
2969                 return -1;
2970         }
2971
2972         key.dptr  = discard_const(argv[1]);
2973         key.dsize = strlen((char *)key.dptr);
2974
2975         h = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
2976         if (h == NULL) {
2977                 printf("Failed to fetch record '%s' on node %d\n",
2978                         (const char *)key.dptr, ctdb_get_pnn(ctdb));
2979                 talloc_free(tmp_ctx);
2980                 exit(10);
2981         }
2982
2983         printf("Data: size:%d ptr:[%s]\n", (int)data.dsize, data.dptr);
2984
2985         talloc_free(ctdb_db);
2986         talloc_free(tmp_ctx);
2987         return 0;
2988 }
2989
2990 /*
2991   display the content of a database key
2992  */
2993 static int control_writekey(struct ctdb_context *ctdb, int argc, const char **argv)
2994 {
2995         const char *db_name;
2996         struct ctdb_db_context *ctdb_db;
2997         struct ctdb_record_handle *h;
2998         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
2999         TDB_DATA key, data;
3000
3001         if (argc < 3) {
3002                 usage();
3003         }
3004
3005         db_name = argv[0];
3006
3007
3008         if (db_exists(ctdb, db_name)) {
3009                 DEBUG(DEBUG_ERR,("Database '%s' does not exist\n", db_name));
3010                 return -1;
3011         }
3012
3013         ctdb_db = ctdb_attach(ctdb, db_name, false, 0);
3014
3015         if (ctdb_db == NULL) {
3016                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
3017                 return -1;
3018         }
3019
3020         key.dptr  = discard_const(argv[1]);
3021         key.dsize = strlen((char *)key.dptr);
3022
3023         h = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
3024         if (h == NULL) {
3025                 printf("Failed to fetch record '%s' on node %d\n",
3026                         (const char *)key.dptr, ctdb_get_pnn(ctdb));
3027                 talloc_free(tmp_ctx);
3028                 exit(10);
3029         }
3030
3031         data.dptr  = discard_const(argv[2]);
3032         data.dsize = strlen((char *)data.dptr);
3033
3034         if (ctdb_record_store(h, data) != 0) {
3035                 printf("Failed to store record\n");
3036         }
3037
3038         talloc_free(h);
3039         talloc_free(ctdb_db);
3040         talloc_free(tmp_ctx);
3041         return 0;
3042 }
3043
3044 /*
3045   fetch a record from a persistent database
3046  */
3047 static int control_pfetch(struct ctdb_context *ctdb, int argc, const char **argv)
3048 {
3049         const char *db_name;
3050         struct ctdb_db_context *ctdb_db;
3051         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3052         struct ctdb_transaction_handle *h;
3053         TDB_DATA key, data;
3054         int fd, ret;
3055
3056         if (argc < 2) {
3057                 talloc_free(tmp_ctx);
3058                 usage();
3059         }
3060
3061         db_name = argv[0];
3062
3063
3064         if (db_exists(ctdb, db_name)) {
3065                 DEBUG(DEBUG_ERR,("Database '%s' does not exist\n", db_name));
3066                 talloc_free(tmp_ctx);
3067                 return -1;
3068         }
3069
3070         ctdb_db = ctdb_attach(ctdb, db_name, true, 0);
3071
3072         if (ctdb_db == NULL) {
3073                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
3074                 talloc_free(tmp_ctx);
3075                 return -1;
3076         }
3077
3078         h = ctdb_transaction_start(ctdb_db, tmp_ctx);
3079         if (h == NULL) {
3080                 DEBUG(DEBUG_ERR,("Failed to start transaction on database %s\n", db_name));
3081                 talloc_free(tmp_ctx);
3082                 return -1;
3083         }
3084
3085         key.dptr  = discard_const(argv[1]);
3086         key.dsize = strlen(argv[1]);
3087         ret = ctdb_transaction_fetch(h, tmp_ctx, key, &data);
3088         if (ret != 0) {
3089                 DEBUG(DEBUG_ERR,("Failed to fetch record\n"));
3090                 talloc_free(tmp_ctx);
3091                 return -1;
3092         }
3093
3094         if (data.dsize == 0 || data.dptr == NULL) {
3095                 DEBUG(DEBUG_ERR,("Record is empty\n"));
3096                 talloc_free(tmp_ctx);
3097                 return -1;
3098         }
3099
3100         if (argc == 3) {
3101           fd = open(argv[2], O_WRONLY|O_CREAT|O_TRUNC, 0600);
3102                 if (fd == -1) {
3103                         DEBUG(DEBUG_ERR,("Failed to open output file %s\n", argv[2]));
3104                         talloc_free(tmp_ctx);
3105                         return -1;
3106                 }
3107                 write(fd, data.dptr, data.dsize);
3108                 close(fd);
3109         } else {
3110                 write(1, data.dptr, data.dsize);
3111         }
3112
3113         /* abort the transaction */
3114         talloc_free(h);
3115
3116
3117         talloc_free(tmp_ctx);
3118         return 0;
3119 }
3120
3121 /*
3122   fetch a record from a tdb-file
3123  */
3124 static int control_tfetch(struct ctdb_context *ctdb, int argc, const char **argv)
3125 {
3126         const char *tdb_file;
3127         TDB_CONTEXT *tdb;
3128         TDB_DATA key, data;
3129         int fd;
3130
3131         if (argc < 2) {
3132                 usage();
3133         }
3134
3135         tdb_file = argv[0];
3136
3137         tdb = tdb_open(tdb_file, 0, 0, O_RDONLY, 0);
3138         if (tdb == NULL) {
3139                 DEBUG(DEBUG_ERR,("Failed to open TDB file %s\n", tdb_file));
3140                 return -1;
3141         }
3142
3143         key.dptr  = discard_const(argv[1]);
3144         key.dsize = strlen(argv[1]);
3145         data = tdb_fetch(tdb, key);
3146         if (data.dptr == NULL || data.dsize < sizeof(struct ctdb_ltdb_header)) {
3147                 DEBUG(DEBUG_ERR,("Failed to read record %s from tdb %s\n", argv[1], tdb_file));
3148                 tdb_close(tdb);
3149                 return -1;
3150         }
3151
3152         tdb_close(tdb);
3153
3154         if (argc == 3) {
3155           fd = open(argv[2], O_WRONLY|O_CREAT|O_TRUNC, 0600);
3156                 if (fd == -1) {
3157                         DEBUG(DEBUG_ERR,("Failed to open output file %s\n", argv[2]));
3158                         return -1;
3159                 }
3160                 write(fd, data.dptr+sizeof(struct ctdb_ltdb_header), data.dsize-sizeof(struct ctdb_ltdb_header));
3161                 close(fd);
3162         } else {
3163                 write(1, data.dptr+sizeof(struct ctdb_ltdb_header), data.dsize-sizeof(struct ctdb_ltdb_header));
3164         }
3165
3166         return 0;
3167 }
3168
3169 /*
3170   write a record to a persistent database
3171  */
3172 static int control_pstore(struct ctdb_context *ctdb, int argc, const char **argv)
3173 {
3174         const char *db_name;
3175         struct ctdb_db_context *ctdb_db;
3176         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3177         struct ctdb_transaction_handle *h;
3178         struct stat st;
3179         TDB_DATA key, data;
3180         int fd, ret;
3181
3182         if (argc < 3) {
3183                 talloc_free(tmp_ctx);
3184                 usage();
3185         }
3186
3187         fd = open(argv[2], O_RDONLY);
3188         if (fd == -1) {
3189                 DEBUG(DEBUG_ERR,("Failed to open file containing record data : %s  %s\n", argv[2], strerror(errno)));
3190                 talloc_free(tmp_ctx);
3191                 return -1;
3192         }
3193
3194         ret = fstat(fd, &st);
3195         if (ret == -1) {
3196                 DEBUG(DEBUG_ERR,("fstat of file %s failed: %s\n", argv[2], strerror(errno)));
3197                 close(fd);
3198                 talloc_free(tmp_ctx);
3199                 return -1;
3200         }
3201
3202         if (!S_ISREG(st.st_mode)) {
3203                 DEBUG(DEBUG_ERR,("Not a regular file %s\n", argv[2]));
3204                 close(fd);
3205                 talloc_free(tmp_ctx);
3206                 return -1;
3207         }
3208
3209         data.dsize = st.st_size;
3210         if (data.dsize == 0) {
3211                 data.dptr  = NULL;
3212         } else {
3213                 data.dptr = talloc_size(tmp_ctx, data.dsize);
3214                 if (data.dptr == NULL) {
3215                         DEBUG(DEBUG_ERR,("Failed to talloc %d of memory to store record data\n", (int)data.dsize));
3216                         close(fd);
3217                         talloc_free(tmp_ctx);
3218                         return -1;
3219                 }
3220                 ret = read(fd, data.dptr, data.dsize);
3221                 if (ret != data.dsize) {
3222                         DEBUG(DEBUG_ERR,("Failed to read %d bytes of record data\n", (int)data.dsize));
3223                         close(fd);
3224                         talloc_free(tmp_ctx);
3225                         return -1;
3226                 }
3227         }
3228         close(fd);
3229
3230
3231         db_name = argv[0];
3232
3233         ctdb_db = ctdb_attach(ctdb, db_name, true, 0);
3234
3235         if (ctdb_db == NULL) {
3236                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
3237                 talloc_free(tmp_ctx);
3238                 return -1;
3239         }
3240
3241         h = ctdb_transaction_start(ctdb_db, tmp_ctx);
3242         if (h == NULL) {
3243                 DEBUG(DEBUG_ERR,("Failed to start transaction on database %s\n", db_name));
3244                 talloc_free(tmp_ctx);
3245                 return -1;
3246         }
3247
3248         key.dptr  = discard_const(argv[1]);
3249         key.dsize = strlen(argv[1]);
3250         ret = ctdb_transaction_store(h, key, data);
3251         if (ret != 0) {
3252                 DEBUG(DEBUG_ERR,("Failed to store record\n"));
3253                 talloc_free(tmp_ctx);
3254                 return -1;
3255         }
3256
3257         ret = ctdb_transaction_commit(h);
3258         if (ret != 0) {
3259                 DEBUG(DEBUG_ERR,("Failed to commit transaction\n"));
3260                 talloc_free(tmp_ctx);
3261                 return -1;
3262         }
3263
3264
3265         talloc_free(tmp_ctx);
3266         return 0;
3267 }
3268
3269 static void log_handler(struct ctdb_context *ctdb, uint64_t srvid,
3270                              TDB_DATA data, void *private_data)
3271 {
3272         DEBUG(DEBUG_ERR,("Log data received\n"));
3273         if (data.dsize > 0) {
3274                 printf("%s", data.dptr);
3275         }
3276
3277         exit(0);
3278 }
3279
3280 /*
3281   display a list of log messages from the in memory ringbuffer
3282  */
3283 static int control_getlog(struct ctdb_context *ctdb, int argc, const char **argv)
3284 {
3285         int ret;
3286         int32_t res;
3287         struct ctdb_get_log_addr log_addr;
3288         TDB_DATA data;
3289         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3290         char *errmsg;
3291         struct timeval tv;
3292
3293         if (argc != 1) {
3294                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
3295                 talloc_free(tmp_ctx);
3296                 return -1;
3297         }
3298
3299         log_addr.pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
3300         log_addr.srvid = getpid();
3301         if (isalpha(argv[0][0]) || argv[0][0] == '-') {
3302                 log_addr.level = get_debug_by_desc(argv[0]);
3303         } else {
3304                 log_addr.level = strtol(argv[0], NULL, 0);
3305         }
3306
3307
3308         data.dptr = (unsigned char *)&log_addr;
3309         data.dsize = sizeof(log_addr);
3310
3311         DEBUG(DEBUG_ERR, ("Pulling logs from node %u\n", options.pnn));
3312
3313         ctdb_client_set_message_handler(ctdb, log_addr.srvid, log_handler, NULL);
3314         sleep(1);
3315
3316         DEBUG(DEBUG_ERR,("Listen for response on %d\n", (int)log_addr.srvid));
3317
3318         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_GET_LOG,
3319                            0, data, tmp_ctx, NULL, &res, NULL, &errmsg);
3320         if (ret != 0 || res != 0) {
3321                 DEBUG(DEBUG_ERR,("Failed to get logs - %s\n", errmsg));
3322                 talloc_free(tmp_ctx);
3323                 return -1;
3324         }
3325
3326
3327         tv = timeval_current();
3328         /* this loop will terminate when we have received the reply */
3329         while (timeval_elapsed(&tv) < 3.0) {
3330                 event_loop_once(ctdb->ev);
3331         }
3332
3333         DEBUG(DEBUG_INFO,("Timed out waiting for log data.\n"));
3334
3335         talloc_free(tmp_ctx);
3336         return 0;
3337 }
3338
3339 /*
3340   clear the in memory log area
3341  */
3342 static int control_clearlog(struct ctdb_context *ctdb, int argc, const char **argv)
3343 {
3344         int ret;
3345         int32_t res;
3346         char *errmsg;
3347         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3348
3349         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_CLEAR_LOG,
3350                            0, tdb_null, tmp_ctx, NULL, &res, NULL, &errmsg);
3351         if (ret != 0 || res != 0) {
3352                 DEBUG(DEBUG_ERR,("Failed to clear logs\n"));
3353                 talloc_free(tmp_ctx);
3354                 return -1;
3355         }
3356
3357         talloc_free(tmp_ctx);
3358         return 0;
3359 }
3360
3361
3362
3363 /*
3364   display a list of the databases on a remote ctdb
3365  */
3366 static int control_getdbmap(struct ctdb_context *ctdb, int argc, const char **argv)
3367 {
3368         int i, ret;
3369         struct ctdb_dbid_map *dbmap=NULL;
3370
3371         ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &dbmap);
3372         if (ret != 0) {
3373                 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
3374                 return ret;
3375         }
3376
3377         if(options.machinereadable){
3378                 printf(":ID:Name:Path:Persistent:Unhealthy:\n");
3379                 for(i=0;i<dbmap->num;i++){
3380                         const char *path;
3381                         const char *name;
3382                         const char *health;
3383                         bool persistent;
3384
3385                         ctdb_ctrl_getdbpath(ctdb, TIMELIMIT(), options.pnn,
3386                                             dbmap->dbs[i].dbid, ctdb, &path);
3387                         ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn,
3388                                             dbmap->dbs[i].dbid, ctdb, &name);
3389                         ctdb_ctrl_getdbhealth(ctdb, TIMELIMIT(), options.pnn,
3390                                               dbmap->dbs[i].dbid, ctdb, &health);
3391                         persistent = dbmap->dbs[i].persistent;
3392                         printf(":0x%08X:%s:%s:%d:%d:\n",
3393                                dbmap->dbs[i].dbid, name, path,
3394                                !!(persistent), !!(health));
3395                 }
3396                 return 0;
3397         }
3398
3399         printf("Number of databases:%d\n", dbmap->num);
3400         for(i=0;i<dbmap->num;i++){
3401                 const char *path;
3402                 const char *name;
3403                 const char *health;
3404                 bool persistent;
3405
3406                 ctdb_ctrl_getdbpath(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &path);
3407                 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &name);
3408                 ctdb_ctrl_getdbhealth(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &health);
3409                 persistent = dbmap->dbs[i].persistent;
3410                 printf("dbid:0x%08x name:%s path:%s%s%s\n",
3411                        dbmap->dbs[i].dbid, name, path,
3412                        persistent?" PERSISTENT":"",
3413                        health?" UNHEALTHY":"");
3414         }
3415
3416         return 0;
3417 }
3418
3419 /*
3420   display the status of a database on a remote ctdb
3421  */
3422 static int control_getdbstatus(struct ctdb_context *ctdb, int argc, const char **argv)
3423 {
3424         int i, ret;
3425         struct ctdb_dbid_map *dbmap=NULL;
3426         const char *db_name;
3427
3428         if (argc < 1) {
3429                 usage();
3430         }
3431
3432         db_name = argv[0];
3433
3434         ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, ctdb, &dbmap);
3435         if (ret != 0) {
3436                 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
3437                 return ret;
3438         }
3439
3440         for(i=0;i<dbmap->num;i++){
3441                 const char *path;
3442                 const char *name;
3443                 const char *health;
3444                 bool persistent;
3445
3446                 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &name);
3447                 if (strcmp(name, db_name) != 0) {
3448                         continue;
3449                 }
3450
3451                 ctdb_ctrl_getdbpath(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &path);
3452                 ctdb_ctrl_getdbhealth(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, ctdb, &health);
3453                 persistent = dbmap->dbs[i].persistent;
3454                 printf("dbid: 0x%08x\nname: %s\npath: %s\nPERSISTENT: %s\nHEALTH: %s\n",
3455                        dbmap->dbs[i].dbid, name, path,
3456                        persistent?"yes":"no",
3457                        health?health:"OK");
3458                 return 0;
3459         }
3460
3461         DEBUG(DEBUG_ERR, ("db %s doesn't exist on node %u\n", db_name, options.pnn));
3462         return 0;
3463 }
3464
3465 /*
3466   check if the local node is recmaster or not
3467   it will return 1 if this node is the recmaster and 0 if it is not
3468   or if the local ctdb daemon could not be contacted
3469  */
3470 static int control_isnotrecmaster(struct ctdb_context *ctdb, int argc, const char **argv)
3471 {
3472         uint32_t mypnn, recmaster;
3473         int ret;
3474
3475         mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
3476         if (mypnn == -1) {
3477                 printf("Failed to get pnn of node\n");
3478                 return 1;
3479         }
3480
3481         ret = ctdb_ctrl_getrecmaster(ctdb, ctdb, TIMELIMIT(), options.pnn, &recmaster);
3482         if (ret != 0) {
3483                 printf("Failed to get the recmaster\n");
3484                 return 1;
3485         }
3486
3487         if (recmaster != mypnn) {
3488                 printf("this node is not the recmaster\n");
3489                 return 1;
3490         }
3491
3492         printf("this node is the recmaster\n");
3493         return 0;
3494 }
3495
3496 /*
3497   ping a node
3498  */
3499 static int control_ping(struct ctdb_context *ctdb, int argc, const char **argv)
3500 {
3501         int ret;
3502         struct timeval tv = timeval_current();
3503         ret = ctdb_ctrl_ping(ctdb, options.pnn);
3504         if (ret == -1) {
3505                 printf("Unable to get ping response from node %u\n", options.pnn);
3506                 return -1;
3507         } else {
3508                 printf("response from %u time=%.6f sec  (%d clients)\n",
3509                        options.pnn, timeval_elapsed(&tv), ret);
3510         }
3511         return 0;
3512 }
3513
3514
3515 /*
3516   get a tunable
3517  */
3518 static int control_getvar(struct ctdb_context *ctdb, int argc, const char **argv)
3519 {
3520         const char *name;
3521         uint32_t value;
3522         int ret;
3523
3524         if (argc < 1) {
3525                 usage();
3526         }
3527
3528         name = argv[0];
3529         ret = ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), options.pnn, name, &value);
3530         if (ret == -1) {
3531                 DEBUG(DEBUG_ERR, ("Unable to get tunable variable '%s'\n", name));
3532                 return -1;
3533         }
3534
3535         printf("%-19s = %u\n", name, value);
3536         return 0;
3537 }
3538
3539 /*
3540   set a tunable
3541  */
3542 static int control_setvar(struct ctdb_context *ctdb, int argc, const char **argv)
3543 {
3544         const char *name;
3545         uint32_t value;
3546         int ret;
3547
3548         if (argc < 2) {
3549                 usage();
3550         }
3551
3552         name = argv[0];
3553         value = strtoul(argv[1], NULL, 0);
3554
3555         ret = ctdb_ctrl_set_tunable(ctdb, TIMELIMIT(), options.pnn, name, value);
3556         if (ret == -1) {
3557                 DEBUG(DEBUG_ERR, ("Unable to set tunable variable '%s'\n", name));
3558                 return -1;
3559         }
3560         return 0;
3561 }
3562
3563 /*
3564   list all tunables
3565  */
3566 static int control_listvars(struct ctdb_context *ctdb, int argc, const char **argv)
3567 {
3568         uint32_t count;
3569         const char **list;
3570         int ret, i;
3571
3572         ret = ctdb_ctrl_list_tunables(ctdb, TIMELIMIT(), options.pnn, ctdb, &list, &count);
3573         if (ret == -1) {
3574                 DEBUG(DEBUG_ERR, ("Unable to list tunable variables\n"));
3575                 return -1;
3576         }
3577
3578         for (i=0;i<count;i++) {
3579                 control_getvar(ctdb, 1, &list[i]);
3580         }
3581
3582         talloc_free(list);
3583
3584         return 0;
3585 }
3586
3587 /*
3588   display debug level on a node
3589  */
3590 static int control_getdebug(struct ctdb_context *ctdb, int argc, const char **argv)
3591 {
3592         int ret;
3593         int32_t level;
3594
3595         ret = ctdb_ctrl_get_debuglevel(ctdb, options.pnn, &level);
3596         if (ret != 0) {
3597                 DEBUG(DEBUG_ERR, ("Unable to get debuglevel response from node %u\n", options.pnn));
3598                 return ret;
3599         } else {
3600                 if (options.machinereadable){
3601                         printf(":Name:Level:\n");
3602                         printf(":%s:%d:\n",get_debug_by_level(level),level);
3603                 } else {
3604                         printf("Node %u is at debug level %s (%d)\n", options.pnn, get_debug_by_level(level), level);
3605                 }
3606         }
3607         return 0;
3608 }
3609
3610 /*
3611   display reclock file of a node
3612  */
3613 static int control_getreclock(struct ctdb_context *ctdb, int argc, const char **argv)
3614 {
3615         int ret;
3616         const char *reclock;
3617
3618         ret = ctdb_ctrl_getreclock(ctdb, TIMELIMIT(), options.pnn, ctdb, &reclock);
3619         if (ret != 0) {
3620                 DEBUG(DEBUG_ERR, ("Unable to get reclock file from node %u\n", options.pnn));
3621                 return ret;
3622         } else {
3623                 if (options.machinereadable){
3624                         if (reclock != NULL) {
3625                                 printf("%s", reclock);
3626                         }
3627                 } else {
3628                         if (reclock == NULL) {
3629                                 printf("No reclock file used.\n");
3630                         } else {
3631                                 printf("Reclock file:%s\n", reclock);
3632                         }
3633                 }
3634         }
3635         return 0;
3636 }
3637
3638 /*
3639   set the reclock file of a node
3640  */
3641 static int control_setreclock(struct ctdb_context *ctdb, int argc, const char **argv)
3642 {
3643         int ret;
3644         const char *reclock;
3645
3646         if (argc == 0) {
3647                 reclock = NULL;
3648         } else if (argc == 1) {
3649                 reclock = argv[0];
3650         } else {
3651                 usage();
3652         }
3653
3654         ret = ctdb_ctrl_setreclock(ctdb, TIMELIMIT(), options.pnn, reclock);
3655         if (ret != 0) {
3656                 DEBUG(DEBUG_ERR, ("Unable to get reclock file from node %u\n", options.pnn));
3657                 return ret;
3658         }
3659         return 0;
3660 }
3661
3662 /*
3663   set the natgw state on/off
3664  */
3665 static int control_setnatgwstate(struct ctdb_context *ctdb, int argc, const char **argv)
3666 {
3667         int ret;
3668         uint32_t natgwstate;
3669
3670         if (argc == 0) {
3671                 usage();
3672         }
3673
3674         if (!strcmp(argv[0], "on")) {
3675                 natgwstate = 1;
3676         } else if (!strcmp(argv[0], "off")) {
3677                 natgwstate = 0;
3678         } else {
3679                 usage();
3680         }
3681
3682         ret = ctdb_ctrl_setnatgwstate(ctdb, TIMELIMIT(), options.pnn, natgwstate);
3683         if (ret != 0) {
3684                 DEBUG(DEBUG_ERR, ("Unable to set the natgw state for node %u\n", options.pnn));
3685                 return ret;
3686         }
3687
3688         return 0;
3689 }
3690
3691 /*
3692   set the lmaster role on/off
3693  */
3694 static int control_setlmasterrole(struct ctdb_context *ctdb, int argc, const char **argv)
3695 {
3696         int ret;
3697         uint32_t lmasterrole;
3698
3699         if (argc == 0) {
3700                 usage();
3701         }
3702
3703         if (!strcmp(argv[0], "on")) {
3704                 lmasterrole = 1;
3705         } else if (!strcmp(argv[0], "off")) {
3706                 lmasterrole = 0;
3707         } else {
3708                 usage();
3709         }
3710
3711         ret = ctdb_ctrl_setlmasterrole(ctdb, TIMELIMIT(), options.pnn, lmasterrole);
3712         if (ret != 0) {
3713                 DEBUG(DEBUG_ERR, ("Unable to set the lmaster role for node %u\n", options.pnn));
3714                 return ret;
3715         }
3716
3717         return 0;
3718 }
3719
3720 /*
3721   set the recmaster role on/off
3722  */
3723 static int control_setrecmasterrole(struct ctdb_context *ctdb, int argc, const char **argv)
3724 {
3725         int ret;
3726         uint32_t recmasterrole;
3727
3728         if (argc == 0) {
3729                 usage();
3730         }
3731
3732         if (!strcmp(argv[0], "on")) {
3733                 recmasterrole = 1;
3734         } else if (!strcmp(argv[0], "off")) {
3735                 recmasterrole = 0;
3736         } else {
3737                 usage();
3738         }
3739
3740         ret = ctdb_ctrl_setrecmasterrole(ctdb, TIMELIMIT(), options.pnn, recmasterrole);
3741         if (ret != 0) {
3742                 DEBUG(DEBUG_ERR, ("Unable to set the recmaster role for node %u\n", options.pnn));
3743                 return ret;
3744         }
3745
3746         return 0;
3747 }
3748
3749 /*
3750   set debug level on a node or all nodes
3751  */
3752 static int control_setdebug(struct ctdb_context *ctdb, int argc, const char **argv)
3753 {
3754         int i, ret;
3755         int32_t level;
3756
3757         if (argc == 0) {
3758                 printf("You must specify the debug level. Valid levels are:\n");
3759                 for (i=0; debug_levels[i].description != NULL; i++) {
3760                         printf("%s (%d)\n", debug_levels[i].description, debug_levels[i].level);
3761                 }
3762
3763                 return 0;
3764         }
3765
3766         if (isalpha(argv[0][0]) || argv[0][0] == '-') {
3767                 level = get_debug_by_desc(argv[0]);
3768         } else {
3769                 level = strtol(argv[0], NULL, 0);
3770         }
3771
3772         for (i=0; debug_levels[i].description != NULL; i++) {
3773                 if (level == debug_levels[i].level) {
3774                         break;
3775                 }
3776         }
3777         if (debug_levels[i].description == NULL) {
3778                 printf("Invalid debug level, must be one of\n");
3779                 for (i=0; debug_levels[i].description != NULL; i++) {
3780                         printf("%s (%d)\n", debug_levels[i].description, debug_levels[i].level);
3781                 }
3782                 return -1;
3783         }
3784
3785         ret = ctdb_ctrl_set_debuglevel(ctdb, options.pnn, level);
3786         if (ret != 0) {
3787                 DEBUG(DEBUG_ERR, ("Unable to set debug level on node %u\n", options.pnn));
3788         }
3789         return 0;
3790 }
3791
3792
3793 /*
3794   thaw a node
3795  */
3796 static int control_thaw(struct ctdb_context *ctdb, int argc, const char **argv)
3797 {
3798         int ret;
3799         uint32_t priority;
3800
3801         if (argc == 1) {
3802                 priority = strtol(argv[0], NULL, 0);
3803         } else {
3804                 priority = 0;
3805         }
3806         DEBUG(DEBUG_ERR,("Thaw by priority %u\n", priority));
3807
3808         ret = ctdb_ctrl_thaw_priority(ctdb, TIMELIMIT(), options.pnn, priority);
3809         if (ret != 0) {
3810                 DEBUG(DEBUG_ERR, ("Unable to thaw node %u\n", options.pnn));
3811         }
3812         return 0;
3813 }
3814
3815
3816 /*
3817   attach to a database
3818  */
3819 static int control_attach(struct ctdb_context *ctdb, int argc, const char **argv)
3820 {
3821         const char *db_name;
3822         struct ctdb_db_context *ctdb_db;
3823
3824         if (argc < 1) {
3825                 usage();
3826         }
3827         db_name = argv[0];
3828
3829         ctdb_db = ctdb_attach(ctdb, db_name, false, 0);
3830         if (ctdb_db == NULL) {
3831                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", db_name));
3832                 return -1;
3833         }
3834
3835         return 0;
3836 }
3837
3838 /*
3839   set db priority
3840  */
3841 static int control_setdbprio(struct ctdb_context *ctdb, int argc, const char **argv)
3842 {
3843         struct ctdb_db_priority db_prio;
3844         int ret;
3845
3846         if (argc < 2) {
3847                 usage();
3848         }
3849
3850         db_prio.db_id    = strtoul(argv[0], NULL, 0);
3851         db_prio.priority = strtoul(argv[1], NULL, 0);
3852
3853         ret = ctdb_ctrl_set_db_priority(ctdb, TIMELIMIT(), options.pnn, &db_prio);
3854         if (ret != 0) {
3855                 DEBUG(DEBUG_ERR,("Unable to set db prio\n"));
3856                 return -1;
3857         }
3858
3859         return 0;
3860 }
3861
3862 /*
3863   get db priority
3864  */
3865 static int control_getdbprio(struct ctdb_context *ctdb, int argc, const char **argv)
3866 {
3867         uint32_t db_id, priority;
3868         int ret;
3869
3870         if (argc < 1) {
3871                 usage();
3872         }
3873
3874         db_id = strtoul(argv[0], NULL, 0);
3875
3876         ret = ctdb_ctrl_get_db_priority(ctdb, TIMELIMIT(), options.pnn, db_id, &priority);
3877         if (ret != 0) {
3878                 DEBUG(DEBUG_ERR,("Unable to get db prio\n"));
3879                 return -1;
3880         }
3881
3882         DEBUG(DEBUG_ERR,("Priority:%u\n", priority));
3883
3884         return 0;
3885 }
3886
3887 /*
3888   run an eventscript on a node
3889  */
3890 static int control_eventscript(struct ctdb_context *ctdb, int argc, const char **argv)
3891 {
3892         TDB_DATA data;
3893         int ret;
3894         int32_t res;
3895         char *errmsg;
3896         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3897
3898         if (argc != 1) {
3899                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
3900                 return -1;
3901         }
3902
3903         data.dptr = (unsigned char *)discard_const(argv[0]);
3904         data.dsize = strlen((char *)data.dptr) + 1;
3905
3906         DEBUG(DEBUG_ERR, ("Running eventscripts with arguments \"%s\" on node %u\n", data.dptr, options.pnn));
3907
3908         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_RUN_EVENTSCRIPTS,
3909                            0, data, tmp_ctx, NULL, &res, NULL, &errmsg);
3910         if (ret != 0 || res != 0) {
3911                 DEBUG(DEBUG_ERR,("Failed to run eventscripts - %s\n", errmsg));
3912                 talloc_free(tmp_ctx);
3913                 return -1;
3914         }
3915         talloc_free(tmp_ctx);
3916         return 0;
3917 }
3918
3919 #define DB_VERSION 1
3920 #define MAX_DB_NAME 64
3921 struct db_file_header {
3922         unsigned long version;
3923         time_t timestamp;
3924         unsigned long persistent;
3925         unsigned long size;
3926         const char name[MAX_DB_NAME];
3927 };
3928
3929 struct backup_data {
3930         struct ctdb_marshall_buffer *records;
3931         uint32_t len;
3932         uint32_t total;
3933         bool traverse_error;
3934 };
3935
3936 static int backup_traverse(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data, void *private)
3937 {
3938         struct backup_data *bd = talloc_get_type(private, struct backup_data);
3939         struct ctdb_rec_data *rec;
3940
3941         /* add the record */
3942         rec = ctdb_marshall_record(bd->records, 0, key, NULL, data);
3943         if (rec == NULL) {
3944                 bd->traverse_error = true;
3945                 DEBUG(DEBUG_ERR,("Failed to marshall record\n"));
3946                 return -1;
3947         }
3948         bd->records = talloc_realloc_size(NULL, bd->records, rec->length + bd->len);
3949         if (bd->records == NULL) {
3950                 DEBUG(DEBUG_ERR,("Failed to expand marshalling buffer\n"));
3951                 bd->traverse_error = true;
3952                 return -1;
3953         }
3954         bd->records->count++;
3955         memcpy(bd->len+(uint8_t *)bd->records, rec, rec->length);
3956         bd->len += rec->length;
3957         talloc_free(rec);
3958
3959         bd->total++;
3960         return 0;
3961 }
3962
3963 /*
3964  * backup a database to a file
3965  */
3966 static int control_backupdb(struct ctdb_context *ctdb, int argc, const char **argv)
3967 {
3968         int i, ret;
3969         struct ctdb_dbid_map *dbmap=NULL;
3970         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
3971         struct db_file_header dbhdr;
3972         struct ctdb_db_context *ctdb_db;
3973         struct backup_data *bd;
3974         int fh = -1;
3975         int status = -1;
3976         const char *reason = NULL;
3977
3978         if (argc != 2) {
3979                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
3980                 return -1;
3981         }
3982
3983         ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &dbmap);
3984         if (ret != 0) {
3985                 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n", options.pnn));
3986                 return ret;
3987         }
3988
3989         for(i=0;i<dbmap->num;i++){
3990                 const char *name;
3991
3992                 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn, dbmap->dbs[i].dbid, tmp_ctx, &name);
3993                 if(!strcmp(argv[0], name)){
3994                         talloc_free(discard_const(name));
3995                         break;
3996                 }
3997                 talloc_free(discard_const(name));
3998         }
3999         if (i == dbmap->num) {
4000                 DEBUG(DEBUG_ERR,("No database with name '%s' found\n", argv[0]));
4001                 talloc_free(tmp_ctx);
4002                 return -1;
4003         }
4004
4005         ret = ctdb_ctrl_getdbhealth(ctdb, TIMELIMIT(), options.pnn,
4006                                     dbmap->dbs[i].dbid, tmp_ctx, &reason);
4007         if (ret != 0) {
4008                 DEBUG(DEBUG_ERR,("Unable to get dbhealth for database '%s'\n",
4009                                  argv[0]));
4010                 talloc_free(tmp_ctx);
4011                 return -1;
4012         }
4013         if (reason) {
4014                 uint32_t allow_unhealthy = 0;
4015
4016                 ctdb_ctrl_get_tunable(ctdb, TIMELIMIT(), options.pnn,
4017                                       "AllowUnhealthyDBRead",
4018                                       &allow_unhealthy);
4019
4020                 if (allow_unhealthy != 1) {
4021                         DEBUG(DEBUG_ERR,("database '%s' is unhealthy: %s\n",
4022                                          argv[0], reason));
4023
4024                         DEBUG(DEBUG_ERR,("disallow backup : tunnable AllowUnhealthyDBRead = %u\n",
4025                                          allow_unhealthy));
4026                         talloc_free(tmp_ctx);
4027                         return -1;
4028                 }
4029
4030                 DEBUG(DEBUG_WARNING,("WARNING database '%s' is unhealthy - see 'ctdb getdbstatus %s'\n",
4031                                      argv[0], argv[0]));
4032                 DEBUG(DEBUG_WARNING,("WARNING! allow backup of unhealthy database: "
4033                                      "tunnable AllowUnhealthyDBRead = %u\n",
4034                                      allow_unhealthy));
4035         }
4036
4037         ctdb_db = ctdb_attach(ctdb, argv[0], dbmap->dbs[i].persistent, 0);
4038         if (ctdb_db == NULL) {
4039                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", argv[0]));
4040                 talloc_free(tmp_ctx);
4041                 return -1;
4042         }
4043
4044
4045         ret = tdb_transaction_start(ctdb_db->ltdb->tdb);
4046         if (ret == -1) {
4047                 DEBUG(DEBUG_ERR,("Failed to start transaction\n"));
4048                 talloc_free(tmp_ctx);
4049                 return -1;
4050         }
4051
4052
4053         bd = talloc_zero(tmp_ctx, struct backup_data);
4054         if (bd == NULL) {
4055                 DEBUG(DEBUG_ERR,("Failed to allocate backup_data\n"));
4056                 talloc_free(tmp_ctx);
4057                 return -1;
4058         }
4059
4060         bd->records = talloc_zero(bd, struct ctdb_marshall_buffer);
4061         if (bd->records == NULL) {
4062                 DEBUG(DEBUG_ERR,("Failed to allocate ctdb_marshall_buffer\n"));
4063                 talloc_free(tmp_ctx);
4064                 return -1;
4065         }
4066
4067         bd->len = offsetof(struct ctdb_marshall_buffer, data);
4068         bd->records->db_id = ctdb_db->db_id;
4069         /* traverse the database collecting all records */
4070         if (tdb_traverse_read(ctdb_db->ltdb->tdb, backup_traverse, bd) == -1 ||
4071             bd->traverse_error) {
4072                 DEBUG(DEBUG_ERR,("Traverse error\n"));
4073                 talloc_free(tmp_ctx);
4074                 return -1;
4075         }
4076
4077         tdb_transaction_cancel(ctdb_db->ltdb->tdb);
4078
4079
4080         fh = open(argv[1], O_RDWR|O_CREAT, 0600);
4081         if (fh == -1) {
4082                 DEBUG(DEBUG_ERR,("Failed to open file '%s'\n", argv[1]));
4083                 talloc_free(tmp_ctx);
4084                 return -1;
4085         }
4086
4087         dbhdr.version = DB_VERSION;
4088         dbhdr.timestamp = time(NULL);
4089         dbhdr.persistent = dbmap->dbs[i].persistent;
4090         dbhdr.size = bd->len;
4091         if (strlen(argv[0]) >= MAX_DB_NAME) {
4092                 DEBUG(DEBUG_ERR,("Too long dbname\n"));
4093                 goto done;
4094         }
4095         strncpy(discard_const(dbhdr.name), argv[0], MAX_DB_NAME);
4096         ret = write(fh, &dbhdr, sizeof(dbhdr));
4097         if (ret == -1) {
4098                 DEBUG(DEBUG_ERR,("write failed: %s\n", strerror(errno)));
4099                 goto done;
4100         }
4101         ret = write(fh, bd->records, bd->len);
4102         if (ret == -1) {
4103                 DEBUG(DEBUG_ERR,("write failed: %s\n", strerror(errno)));
4104                 goto done;
4105         }
4106
4107         status = 0;
4108 done:
4109         if (fh != -1) {
4110                 ret = close(fh);
4111                 if (ret == -1) {
4112                         DEBUG(DEBUG_ERR,("close failed: %s\n", strerror(errno)));
4113                 }
4114         }
4115         talloc_free(tmp_ctx);
4116         return status;
4117 }
4118
4119 /*
4120  * restore a database from a file
4121  */
4122 static int control_restoredb(struct ctdb_context *ctdb, int argc, const char **argv)
4123 {
4124         int ret;
4125         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
4126         TDB_DATA outdata;
4127         TDB_DATA data;
4128         struct db_file_header dbhdr;
4129         struct ctdb_db_context *ctdb_db;
4130         struct ctdb_node_map *nodemap=NULL;
4131         struct ctdb_vnn_map *vnnmap=NULL;
4132         int i, fh;
4133         struct ctdb_control_wipe_database w;
4134         uint32_t *nodes;
4135         uint32_t generation;
4136         struct tm *tm;
4137         char tbuf[100];
4138         char *dbname;
4139
4140         if (argc < 1 || argc > 2) {
4141                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
4142                 return -1;
4143         }
4144
4145         fh = open(argv[0], O_RDONLY);
4146         if (fh == -1) {
4147                 DEBUG(DEBUG_ERR,("Failed to open file '%s'\n", argv[0]));
4148                 talloc_free(tmp_ctx);
4149                 return -1;
4150         }
4151
4152         read(fh, &dbhdr, sizeof(dbhdr));
4153         if (dbhdr.version != DB_VERSION) {
4154                 DEBUG(DEBUG_ERR,("Invalid version of database dump. File is version %lu but expected version was %u\n", dbhdr.version, DB_VERSION));
4155                 talloc_free(tmp_ctx);
4156                 return -1;
4157         }
4158
4159         dbname = discard_const(dbhdr.name);
4160         if (argc == 2) {
4161                 dbname = discard_const(argv[1]);
4162         }
4163
4164         outdata.dsize = dbhdr.size;
4165         outdata.dptr = talloc_size(tmp_ctx, outdata.dsize);
4166         if (outdata.dptr == NULL) {
4167                 DEBUG(DEBUG_ERR,("Failed to allocate data of size '%lu'\n", dbhdr.size));
4168                 close(fh);
4169                 talloc_free(tmp_ctx);
4170                 return -1;
4171         }
4172         read(fh, outdata.dptr, outdata.dsize);
4173         close(fh);
4174
4175         tm = localtime(&dbhdr.timestamp);
4176         strftime(tbuf,sizeof(tbuf)-1,"%Y/%m/%d %H:%M:%S", tm);
4177         printf("Restoring database '%s' from backup @ %s\n",
4178                 dbname, tbuf);
4179
4180
4181         ctdb_db = ctdb_attach(ctdb, dbname, dbhdr.persistent, 0);
4182         if (ctdb_db == NULL) {
4183                 DEBUG(DEBUG_ERR,("Unable to attach to database '%s'\n", dbname));
4184                 talloc_free(tmp_ctx);
4185                 return -1;
4186         }
4187
4188         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb, &nodemap);
4189         if (ret != 0) {
4190                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n", options.pnn));
4191                 talloc_free(tmp_ctx);
4192                 return ret;
4193         }
4194
4195
4196         ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx, &vnnmap);
4197         if (ret != 0) {
4198                 DEBUG(DEBUG_ERR, ("Unable to get vnnmap from node %u\n", options.pnn));
4199                 talloc_free(tmp_ctx);
4200                 return ret;
4201         }
4202
4203         /* freeze all nodes */
4204         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4205         for (i=1; i<=NUM_DB_PRIORITIES; i++) {
4206                 if (ctdb_client_async_control(ctdb, CTDB_CONTROL_FREEZE,
4207                                         nodes, i,
4208                                         TIMELIMIT(),
4209                                         false, tdb_null,
4210                                         NULL, NULL,
4211                                         NULL) != 0) {
4212                         DEBUG(DEBUG_ERR, ("Unable to freeze nodes.\n"));
4213                         ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4214                         talloc_free(tmp_ctx);
4215                         return -1;
4216                 }
4217         }
4218
4219         generation = vnnmap->generation;
4220         data.dptr = (void *)&generation;
4221         data.dsize = sizeof(generation);
4222
4223         /* start a cluster wide transaction */
4224         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4225         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_TRANSACTION_START,
4226                                         nodes, 0,
4227                                         TIMELIMIT(), false, data,
4228                                         NULL, NULL,
4229                                         NULL) != 0) {
4230                 DEBUG(DEBUG_ERR, ("Unable to start cluster wide transactions.\n"));
4231                 return -1;
4232         }
4233
4234
4235         w.db_id = ctdb_db->db_id;
4236         w.transaction_id = generation;
4237
4238         data.dptr = (void *)&w;
4239         data.dsize = sizeof(w);
4240
4241         /* wipe all the remote databases. */
4242         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4243         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_WIPE_DATABASE,
4244                                         nodes, 0,
4245                                         TIMELIMIT(), false, data,
4246                                         NULL, NULL,
4247                                         NULL) != 0) {
4248                 DEBUG(DEBUG_ERR, ("Unable to wipe database.\n"));
4249                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4250                 talloc_free(tmp_ctx);
4251                 return -1;
4252         }
4253
4254         /* push the database */
4255         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4256         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_PUSH_DB,
4257                                         nodes, 0,
4258                                         TIMELIMIT(), false, outdata,
4259                                         NULL, NULL,
4260                                         NULL) != 0) {
4261                 DEBUG(DEBUG_ERR, ("Failed to push database.\n"));
4262                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4263                 talloc_free(tmp_ctx);
4264                 return -1;
4265         }
4266
4267         data.dptr = (void *)&ctdb_db->db_id;
4268         data.dsize = sizeof(ctdb_db->db_id);
4269
4270         /* mark the database as healthy */
4271         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4272         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_DB_SET_HEALTHY,
4273                                         nodes, 0,
4274                                         TIMELIMIT(), false, data,
4275                                         NULL, NULL,
4276                                         NULL) != 0) {
4277                 DEBUG(DEBUG_ERR, ("Failed to mark database as healthy.\n"));
4278                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4279                 talloc_free(tmp_ctx);
4280                 return -1;
4281         }
4282
4283         data.dptr = (void *)&generation;
4284         data.dsize = sizeof(generation);
4285
4286         /* commit all the changes */
4287         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_TRANSACTION_COMMIT,
4288                                         nodes, 0,
4289                                         TIMELIMIT(), false, data,
4290                                         NULL, NULL,
4291                                         NULL) != 0) {
4292                 DEBUG(DEBUG_ERR, ("Unable to commit databases.\n"));
4293                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4294                 talloc_free(tmp_ctx);
4295                 return -1;
4296         }
4297
4298
4299         /* thaw all nodes */
4300         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4301         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_THAW,
4302                                         nodes, 0,
4303                                         TIMELIMIT(),
4304                                         false, tdb_null,
4305                                         NULL, NULL,
4306                                         NULL) != 0) {
4307                 DEBUG(DEBUG_ERR, ("Unable to thaw nodes.\n"));
4308                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4309                 talloc_free(tmp_ctx);
4310                 return -1;
4311         }
4312
4313
4314         talloc_free(tmp_ctx);
4315         return 0;
4316 }
4317
4318 /*
4319  * dump a database backup from a file
4320  */
4321 static int control_dumpdbbackup(struct ctdb_context *ctdb, int argc, const char **argv)
4322 {
4323         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
4324         TDB_DATA outdata;
4325         struct db_file_header dbhdr;
4326         int i, fh;
4327         struct tm *tm;
4328         char tbuf[100];
4329         struct ctdb_rec_data *rec = NULL;
4330         struct ctdb_marshall_buffer *m;
4331
4332         if (argc != 1) {
4333                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
4334                 return -1;
4335         }
4336
4337         fh = open(argv[0], O_RDONLY);
4338         if (fh == -1) {
4339                 DEBUG(DEBUG_ERR,("Failed to open file '%s'\n", argv[0]));
4340                 talloc_free(tmp_ctx);
4341                 return -1;
4342         }
4343
4344         read(fh, &dbhdr, sizeof(dbhdr));
4345         if (dbhdr.version != DB_VERSION) {
4346                 DEBUG(DEBUG_ERR,("Invalid version of database dump. File is version %lu but expected version was %u\n", dbhdr.version, DB_VERSION));
4347                 talloc_free(tmp_ctx);
4348                 return -1;
4349         }
4350
4351         outdata.dsize = dbhdr.size;
4352         outdata.dptr = talloc_size(tmp_ctx, outdata.dsize);
4353         if (outdata.dptr == NULL) {
4354                 DEBUG(DEBUG_ERR,("Failed to allocate data of size '%lu'\n", dbhdr.size));
4355                 close(fh);
4356                 talloc_free(tmp_ctx);
4357                 return -1;
4358         }
4359         read(fh, outdata.dptr, outdata.dsize);
4360         close(fh);
4361         m = (struct ctdb_marshall_buffer *)outdata.dptr;
4362
4363         tm = localtime(&dbhdr.timestamp);
4364         strftime(tbuf,sizeof(tbuf)-1,"%Y/%m/%d %H:%M:%S", tm);
4365         printf("Backup of database name:'%s' dbid:0x%x08x from @ %s\n",
4366                 dbhdr.name, m->db_id, tbuf);
4367
4368         for (i=0; i < m->count; i++) {
4369                 uint32_t reqid = 0;
4370                 TDB_DATA key, data;
4371
4372                 /* we do not want the header splitted, so we pass NULL*/
4373                 rec = ctdb_marshall_loop_next(m, rec, &reqid,
4374                                               NULL, &key, &data);
4375
4376                 ctdb_dumpdb_record(ctdb, key, data, stdout);
4377         }
4378
4379         printf("Dumped %d records\n", i);
4380         talloc_free(tmp_ctx);
4381         return 0;
4382 }
4383
4384 /*
4385  * wipe a database from a file
4386  */
4387 static int control_wipedb(struct ctdb_context *ctdb, int argc,
4388                           const char **argv)
4389 {
4390         int ret;
4391         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
4392         TDB_DATA data;
4393         struct ctdb_db_context *ctdb_db;
4394         struct ctdb_node_map *nodemap = NULL;
4395         struct ctdb_vnn_map *vnnmap = NULL;
4396         int i;
4397         struct ctdb_control_wipe_database w;
4398         uint32_t *nodes;
4399         uint32_t generation;
4400         struct ctdb_dbid_map *dbmap = NULL;
4401
4402         if (argc != 1) {
4403                 DEBUG(DEBUG_ERR,("Invalid arguments\n"));
4404                 return -1;
4405         }
4406
4407         ret = ctdb_ctrl_getdbmap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx,
4408                                  &dbmap);
4409         if (ret != 0) {
4410                 DEBUG(DEBUG_ERR, ("Unable to get dbids from node %u\n",
4411                                   options.pnn));
4412                 return ret;
4413         }
4414
4415         for(i=0;i<dbmap->num;i++){
4416                 const char *name;
4417
4418                 ctdb_ctrl_getdbname(ctdb, TIMELIMIT(), options.pnn,
4419                                     dbmap->dbs[i].dbid, tmp_ctx, &name);
4420                 if(!strcmp(argv[0], name)){
4421                         talloc_free(discard_const(name));
4422                         break;
4423                 }
4424                 talloc_free(discard_const(name));
4425         }
4426         if (i == dbmap->num) {
4427                 DEBUG(DEBUG_ERR, ("No database with name '%s' found\n",
4428                                   argv[0]));
4429                 talloc_free(tmp_ctx);
4430                 return -1;
4431         }
4432
4433         ctdb_db = ctdb_attach(ctdb, argv[0], dbmap->dbs[i].persistent, 0);
4434         if (ctdb_db == NULL) {
4435                 DEBUG(DEBUG_ERR, ("Unable to attach to database '%s'\n",
4436                                   argv[0]));
4437                 talloc_free(tmp_ctx);
4438                 return -1;
4439         }
4440
4441         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), options.pnn, ctdb,
4442                                    &nodemap);
4443         if (ret != 0) {
4444                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from node %u\n",
4445                                   options.pnn));
4446                 talloc_free(tmp_ctx);
4447                 return ret;
4448         }
4449
4450         ret = ctdb_ctrl_getvnnmap(ctdb, TIMELIMIT(), options.pnn, tmp_ctx,
4451                                   &vnnmap);
4452         if (ret != 0) {
4453                 DEBUG(DEBUG_ERR, ("Unable to get vnnmap from node %u\n",
4454                                   options.pnn));
4455                 talloc_free(tmp_ctx);
4456                 return ret;
4457         }
4458
4459         /* freeze all nodes */
4460         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4461         for (i=1; i<=NUM_DB_PRIORITIES; i++) {
4462                 ret = ctdb_client_async_control(ctdb, CTDB_CONTROL_FREEZE,
4463                                                 nodes, i,
4464                                                 TIMELIMIT(),
4465                                                 false, tdb_null,
4466                                                 NULL, NULL,
4467                                                 NULL);
4468                 if (ret != 0) {
4469                         DEBUG(DEBUG_ERR, ("Unable to freeze nodes.\n"));
4470                         ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn,
4471                                              CTDB_RECOVERY_ACTIVE);
4472                         talloc_free(tmp_ctx);
4473                         return -1;
4474                 }
4475         }
4476
4477         generation = vnnmap->generation;
4478         data.dptr = (void *)&generation;
4479         data.dsize = sizeof(generation);
4480
4481         /* start a cluster wide transaction */
4482         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4483         ret = ctdb_client_async_control(ctdb, CTDB_CONTROL_TRANSACTION_START,
4484                                         nodes, 0,
4485                                         TIMELIMIT(), false, data,
4486                                         NULL, NULL,
4487                                         NULL);
4488         if (ret!= 0) {
4489                 DEBUG(DEBUG_ERR, ("Unable to start cluster wide "
4490                                   "transactions.\n"));
4491                 return -1;
4492         }
4493
4494         w.db_id = ctdb_db->db_id;
4495         w.transaction_id = generation;
4496
4497         data.dptr = (void *)&w;
4498         data.dsize = sizeof(w);
4499
4500         /* wipe all the remote databases. */
4501         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4502         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_WIPE_DATABASE,
4503                                         nodes, 0,
4504                                         TIMELIMIT(), false, data,
4505                                         NULL, NULL,
4506                                         NULL) != 0) {
4507                 DEBUG(DEBUG_ERR, ("Unable to wipe database.\n"));
4508                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4509                 talloc_free(tmp_ctx);
4510                 return -1;
4511         }
4512
4513         data.dptr = (void *)&ctdb_db->db_id;
4514         data.dsize = sizeof(ctdb_db->db_id);
4515
4516         /* mark the database as healthy */
4517         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4518         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_DB_SET_HEALTHY,
4519                                         nodes, 0,
4520                                         TIMELIMIT(), false, data,
4521                                         NULL, NULL,
4522                                         NULL) != 0) {
4523                 DEBUG(DEBUG_ERR, ("Failed to mark database as healthy.\n"));
4524                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4525                 talloc_free(tmp_ctx);
4526                 return -1;
4527         }
4528
4529         data.dptr = (void *)&generation;
4530         data.dsize = sizeof(generation);
4531
4532         /* commit all the changes */
4533         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_TRANSACTION_COMMIT,
4534                                         nodes, 0,
4535                                         TIMELIMIT(), false, data,
4536                                         NULL, NULL,
4537                                         NULL) != 0) {
4538                 DEBUG(DEBUG_ERR, ("Unable to commit databases.\n"));
4539                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4540                 talloc_free(tmp_ctx);
4541                 return -1;
4542         }
4543
4544         /* thaw all nodes */
4545         nodes = list_of_active_nodes(ctdb, nodemap, tmp_ctx, true);
4546         if (ctdb_client_async_control(ctdb, CTDB_CONTROL_THAW,
4547                                         nodes, 0,
4548                                         TIMELIMIT(),
4549                                         false, tdb_null,
4550                                         NULL, NULL,
4551                                         NULL) != 0) {
4552                 DEBUG(DEBUG_ERR, ("Unable to thaw nodes.\n"));
4553                 ctdb_ctrl_setrecmode(ctdb, TIMELIMIT(), options.pnn, CTDB_RECOVERY_ACTIVE);
4554                 talloc_free(tmp_ctx);
4555                 return -1;
4556         }
4557
4558         talloc_free(tmp_ctx);
4559         return 0;
4560 }
4561
4562 /*
4563   dump memory usage
4564  */
4565 static int control_dumpmemory(struct ctdb_context *ctdb, int argc, const char **argv)
4566 {
4567         TDB_DATA data;
4568         int ret;
4569         int32_t res;
4570         char *errmsg;
4571         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
4572         ret = ctdb_control(ctdb, options.pnn, 0, CTDB_CONTROL_DUMP_MEMORY,
4573                            0, tdb_null, tmp_ctx, &data, &res, NULL, &errmsg);
4574         if (ret != 0 || res != 0) {
4575                 DEBUG(DEBUG_ERR,("Failed to dump memory - %s\n", errmsg));
4576                 talloc_free(tmp_ctx);
4577                 return -1;
4578         }
4579         write(1, data.dptr, data.dsize);
4580         talloc_free(tmp_ctx);
4581         return 0;
4582 }
4583
4584 /*
4585   handler for memory dumps
4586 */
4587 static void mem_dump_handler(struct ctdb_context *ctdb, uint64_t srvid,
4588                              TDB_DATA data, void *private_data)
4589 {
4590         write(1, data.dptr, data.dsize);
4591         exit(0);
4592 }
4593
4594 /*
4595   dump memory usage on the recovery daemon
4596  */
4597 static int control_rddumpmemory(struct ctdb_context *ctdb, int argc, const char **argv)
4598 {
4599         int ret;
4600         TDB_DATA data;
4601         struct rd_memdump_reply rd;
4602
4603         rd.pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
4604         if (rd.pnn == -1) {
4605                 DEBUG(DEBUG_ERR, ("Failed to get pnn of local node\n"));
4606                 return -1;
4607         }
4608         rd.srvid = getpid();
4609
4610         /* register a message port for receiveing the reply so that we
4611            can receive the reply
4612         */
4613         ctdb_client_set_message_handler(ctdb, rd.srvid, mem_dump_handler, NULL);
4614
4615
4616         data.dptr = (uint8_t *)&rd;
4617         data.dsize = sizeof(rd);
4618
4619         ret = ctdb_client_send_message(ctdb, options.pnn, CTDB_SRVID_MEM_DUMP, data);
4620         if (ret != 0) {
4621                 DEBUG(DEBUG_ERR,("Failed to send memdump request message to %u\n", options.pnn));
4622                 return -1;
4623         }
4624
4625         /* this loop will terminate when we have received the reply */
4626         while (1) {
4627                 event_loop_once(ctdb->ev);
4628         }
4629
4630         return 0;
4631 }
4632
4633 /*
4634   send a message to a srvid
4635  */
4636 static int control_msgsend(struct ctdb_context *ctdb, int argc, const char **argv)
4637 {
4638         unsigned long srvid;
4639         int ret;
4640         TDB_DATA data;
4641
4642         if (argc < 2) {
4643                 usage();
4644         }
4645
4646         srvid      = strtoul(argv[0], NULL, 0);
4647
4648         data.dptr = (uint8_t *)discard_const(argv[1]);
4649         data.dsize= strlen(argv[1]);
4650
4651         ret = ctdb_client_send_message(ctdb, CTDB_BROADCAST_CONNECTED, srvid, data);
4652         if (ret != 0) {
4653                 DEBUG(DEBUG_ERR,("Failed to send memdump request message to %u\n", options.pnn));
4654                 return -1;
4655         }
4656
4657         return 0;
4658 }
4659
4660 /*
4661   handler for msglisten
4662 */
4663 static void msglisten_handler(struct ctdb_context *ctdb, uint64_t srvid,
4664                              TDB_DATA data, void *private_data)
4665 {
4666         int i;
4667
4668         printf("Message received: ");
4669         for (i=0;i<data.dsize;i++) {
4670                 printf("%c", data.dptr[i]);
4671         }
4672         printf("\n");
4673 }
4674
4675 /*
4676   listen for messages on a messageport
4677  */
4678 static int control_msglisten(struct ctdb_context *ctdb, int argc, const char **argv)
4679 {
4680         uint64_t srvid;
4681
4682         srvid = getpid();
4683
4684         /* register a message port and listen for messages
4685         */
4686         ctdb_client_set_message_handler(ctdb, srvid, msglisten_handler, NULL);
4687         printf("Listening for messages on srvid:%d\n", (int)srvid);
4688
4689         while (1) {
4690                 event_loop_once(ctdb->ev);
4691         }
4692
4693         return 0;
4694 }
4695
4696 /*
4697   list all nodes in the cluster
4698   we parse the nodes file directly
4699  */
4700 static int control_listnodes(struct ctdb_context *ctdb, int argc, const char **argv)
4701 {
4702         TALLOC_CTX *mem_ctx = talloc_new(NULL);
4703         struct pnn_node *pnn_nodes;
4704         struct pnn_node *pnn_node;
4705
4706         pnn_nodes = read_nodes_file(mem_ctx);
4707         if (pnn_nodes == NULL) {
4708                 DEBUG(DEBUG_ERR,("Failed to read nodes file\n"));
4709                 talloc_free(mem_ctx);
4710                 return -1;
4711         }
4712
4713         for(pnn_node=pnn_nodes;pnn_node;pnn_node=pnn_node->next) {
4714                 ctdb_sock_addr addr;
4715                 if (parse_ip(pnn_node->addr, NULL, 63999, &addr) == 0) {
4716                         DEBUG(DEBUG_ERR,("Wrongly formed ip address '%s' in nodes file\n", pnn_node->addr));
4717                         talloc_free(mem_ctx);
4718                         return -1;
4719                 }
4720                 if (options.machinereadable){
4721                         printf(":%d:%s:\n", pnn_node->pnn, pnn_node->addr);
4722                 } else {
4723                         printf("%s\n", pnn_node->addr);
4724                 }
4725         }
4726         talloc_free(mem_ctx);
4727
4728         return 0;
4729 }
4730
4731 /*
4732   reload the nodes file on the local node
4733  */
4734 static int control_reload_nodes_file(struct ctdb_context *ctdb, int argc, const char **argv)
4735 {
4736         int i, ret;
4737         int mypnn;
4738         struct ctdb_node_map *nodemap=NULL;
4739
4740         mypnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE);
4741         if (mypnn == -1) {
4742                 DEBUG(DEBUG_ERR, ("Failed to read pnn of local node\n"));
4743                 return -1;
4744         }
4745
4746         ret = ctdb_ctrl_getnodemap(ctdb, TIMELIMIT(), CTDB_CURRENT_NODE, ctdb, &nodemap);
4747         if (ret != 0) {
4748                 DEBUG(DEBUG_ERR, ("Unable to get nodemap from local node\n"));
4749                 return ret;
4750         }
4751
4752         /* reload the nodes file on all remote nodes */
4753         for (i=0;i<nodemap->num;i++) {
4754                 if (nodemap->nodes[i].pnn == mypnn) {
4755                         continue;
4756                 }
4757                 DEBUG(DEBUG_NOTICE, ("Reloading nodes file on node %u\n", nodemap->nodes[i].pnn));
4758                 ret = ctdb_ctrl_reload_nodes_file(ctdb, TIMELIMIT(),
4759                         nodemap->nodes[i].pnn);
4760                 if (ret != 0) {
4761                         DEBUG(DEBUG_ERR, ("ERROR: Failed to reload nodes file on node %u. You MUST fix that node manually!\n", nodemap->nodes[i].pnn));
4762                 }
4763         }
4764
4765         /* reload the nodes file on the local node */
4766         DEBUG(DEBUG_NOTICE, ("Reloading nodes file on node %u\n", mypnn));
4767         ret = ctdb_ctrl_reload_nodes_file(ctdb, TIMELIMIT(), mypnn);
4768         if (ret != 0) {
4769                 DEBUG(DEBUG_ERR, ("ERROR: Failed to reload nodes file on node %u. You MUST fix that node manually!\n", mypnn));
4770         }
4771
4772         /* initiate a recovery */
4773         control_recover(ctdb, argc, argv);
4774
4775         return 0;
4776 }
4777
4778
4779 static const struct {
4780         const char *name;
4781         int (*fn)(struct ctdb_context *, int, const char **);
4782         bool auto_all;
4783         bool without_daemon; /* can be run without daemon running ? */
4784         const char *msg;
4785         const char *args;
4786 } ctdb_commands[] = {
4787 #ifdef CTDB_VERS
4788         { "version",         control_version,           true,   false,  "show version of ctdb" },
4789 #endif
4790         { "status",          control_status,            true,   false,  "show node status" },
4791         { "uptime",          control_uptime,            true,   false,  "show node uptime" },
4792         { "ping",            control_ping,              true,   false,  "ping all nodes" },
4793         { "getvar",          control_getvar,            true,   false,  "get a tunable variable",               "<name>"},
4794         { "setvar",          control_setvar,            true,   false,  "set a tunable variable",               "<name> <value>"},
4795         { "listvars",        control_listvars,          true,   false,  "list tunable variables"},
4796         { "statistics",      control_statistics,        false,  false, "show statistics" },
4797         { "statisticsreset", control_statistics_reset,  true,   false,  "reset statistics"},
4798         { "stats",           control_stats,             false,  false,  "show rolling statistics", "[number of history records]" },
4799         { "ip",              control_ip,                false,  false,  "show which public ip's that ctdb manages" },
4800         { "ipinfo",          control_ipinfo,            true,   false,  "show details about a public ip that ctdb manages", "<ip>" },
4801         { "ifaces",          control_ifaces,            true,   false,  "show which interfaces that ctdb manages" },
4802         { "setifacelink",    control_setifacelink,      true,   false,  "set interface link status", "<iface> <status>" },
4803         { "process-exists",  control_process_exists,    true,   false,  "check if a process exists on a node",  "<pid>"},
4804         { "getdbmap",        control_getdbmap,          true,   false,  "show the database map" },
4805         { "getdbstatus",     control_getdbstatus,       true,   false,  "show the status of a database", "<dbname>" },
4806         { "catdb",           control_catdb,             true,   false,  "dump a database" ,                     "<dbname>"},
4807         { "getmonmode",      control_getmonmode,        true,   false,  "show monitoring mode" },
4808         { "getcapabilities", control_getcapabilities,   true,   false,  "show node capabilities" },
4809         { "pnn",             control_pnn,               true,   false,  "show the pnn of the currnet node" },
4810         { "lvs",             control_lvs,               true,   false,  "show lvs configuration" },
4811         { "lvsmaster",       control_lvsmaster,         true,   false,  "show which node is the lvs master" },
4812         { "disablemonitor",      control_disable_monmode,true,  false,  "set monitoring mode to DISABLE" },
4813         { "enablemonitor",      control_enable_monmode, true,   false,  "set monitoring mode to ACTIVE" },
4814         { "setdebug",        control_setdebug,          true,   false,  "set debug level",                      "<EMERG|ALERT|CRIT|ERR|WARNING|NOTICE|INFO|DEBUG>" },
4815         { "getdebug",        control_getdebug,          true,   false,  "get debug level" },
4816         { "getlog",          control_getlog,            true,   false,  "get the log data from the in memory ringbuffer", "<level>" },
4817         { "clearlog",          control_clearlog,        true,   false,  "clear the log data from the in memory ringbuffer" },
4818         { "attach",          control_attach,            true,   false,  "attach to a database",                 "<dbname>" },
4819         { "dumpmemory",      control_dumpmemory,        true,   false,  "dump memory map to stdout" },
4820         { "rddumpmemory",    control_rddumpmemory,      true,   false,  "dump memory map from the recovery daemon to stdout" },
4821         { "getpid",          control_getpid,            true,   false,  "get ctdbd process ID" },
4822         { "disable",         control_disable,           true,   false,  "disable a nodes public IP" },
4823         { "enable",          control_enable,            true,   false,  "enable a nodes public IP" },
4824         { "stop",            control_stop,              true,   false,  "stop a node" },
4825         { "continue",        control_continue,          true,   false,  "re-start a stopped node" },
4826         { "ban",             control_ban,               true,   false,  "ban a node from the cluster",          "<bantime|0>"},
4827         { "unban",           control_unban,             true,   false,  "unban a node" },
4828         { "showban",         control_showban,           true,   false,  "show ban information"},
4829         { "shutdown",        control_shutdown,          true,   false,  "shutdown ctdbd" },
4830         { "recover",         control_recover,           true,   false,  "force recovery" },
4831         { "sync",            control_ipreallocate,      true,   false,  "wait until ctdbd has synced all state changes" },
4832         { "ipreallocate",    control_ipreallocate,      true,   false,  "force the recovery daemon to perform a ip reallocation procedure" },
4833         { "thaw",            control_thaw,              true,   false,  "thaw databases", "[priority:1-3]" },
4834         { "isnotrecmaster",  control_isnotrecmaster,    false,  false,  "check if the local node is recmaster or not" },
4835         { "killtcp",         kill_tcp,                  false,  false, "kill a tcp connection.", "<srcip:port> <dstip:port>" },
4836         { "gratiousarp",     control_gratious_arp,      false,  false, "send a gratious arp", "<ip> <interface>" },
4837         { "tickle",          tickle_tcp,                false,  false, "send a tcp tickle ack", "<srcip:port> <dstip:port>" },
4838         { "gettickles",      control_get_tickles,       false,  false, "get the list of tickles registered for this ip", "<ip> [<port>]" },
4839         { "addtickle",       control_add_tickle,        false,  false, "add a tickle for this ip", "<ip>:<port> <ip>:<port>" },
4840
4841         { "deltickle",       control_del_tickle,        false,  false, "delete a tickle from this ip", "<ip>:<port> <ip>:<port>" },
4842
4843         { "regsrvid",        regsrvid,                  false,  false, "register a server id", "<pnn> <type> <id>" },
4844         { "unregsrvid",      unregsrvid,                false,  false, "unregister a server id", "<pnn> <type> <id>" },
4845         { "chksrvid",        chksrvid,                  false,  false, "check if a server id exists", "<pnn> <type> <id>" },
4846         { "getsrvids",       getsrvids,                 false,  false, "get a list of all server ids"},
4847         { "vacuum",          ctdb_vacuum,               false,  false, "vacuum the databases of empty records", "[max_records]"},
4848         { "repack",          ctdb_repack,               false,  false, "repack all databases", "[max_freelist]"},
4849         { "listnodes",       control_listnodes,         false,  true, "list all nodes in the cluster"},
4850         { "reloadnodes",     control_reload_nodes_file, false,  false, "reload the nodes file and restart the transport on all nodes"},
4851         { "moveip",          control_moveip,            false,  false, "move/failover an ip address to another node", "<ip> <node>"},
4852         { "addip",           control_addip,             true,   false, "add a ip address to a node", "<ip/mask> <iface>"},
4853         { "delip",           control_delip,             false,  false, "delete an ip address from a node", "<ip>"},
4854         { "eventscript",     control_eventscript,       true,   false, "run the eventscript with the given parameters on a node", "<arguments>"},
4855         { "backupdb",        control_backupdb,          false,  false, "backup the database into a file.", "<database> <file>"},
4856         { "restoredb",        control_restoredb,        false,  false, "restore the database from a file.", "<file> [dbname]"},
4857         { "dumpdbbackup",    control_dumpdbbackup,      false,  true,  "dump database backup from a file.", "<file>"},
4858         { "wipedb",           control_wipedb,        false,     false, "wipe the contents of a database.", "<dbname>"},
4859         { "recmaster",        control_recmaster,        false,  false, "show the pnn for the recovery master."},
4860         { "scriptstatus",    control_scriptstatus,  false,      false, "show the status of the monitoring scripts (or all scripts)", "[all]"},
4861         { "enablescript",     control_enablescript,  false,     false, "enable an eventscript", "<script>"},
4862         { "disablescript",    control_disablescript,  false,    false, "disable an eventscript", "<script>"},
4863         { "natgwlist",        control_natgwlist,        false,  false, "show the nodes belonging to this natgw configuration"},
4864         { "xpnn",             control_xpnn,             true,   true,  "find the pnn of the local node without talking to the daemon (unreliable)" },
4865         { "getreclock",       control_getreclock,       false,  false, "Show the reclock file of a node"},
4866         { "setreclock",       control_setreclock,       false,  false, "Set/clear the reclock file of a node", "[filename]"},
4867         { "setnatgwstate",    control_setnatgwstate,    false,  false, "Set NATGW state to on/off", "{on|off}"},
4868         { "setlmasterrole",   control_setlmasterrole,   false,  false, "Set LMASTER role to on/off", "{on|off}"},
4869         { "setrecmasterrole", control_setrecmasterrole, false,  false, "Set RECMASTER role to on/off", "{on|off}"},
4870         { "setdbprio",        control_setdbprio,        false,  false, "Set DB priority", "<dbid> <prio:1-3>"},
4871         { "getdbprio",        control_getdbprio,        false,  false, "Get DB priority", "<dbid>"},
4872         { "msglisten",        control_msglisten,        false,  false, "Listen on a srvid port for messages", "<msg srvid>"},
4873         { "msgsend",          control_msgsend,  false,  false, "Send a message to srvid", "<srvid> <message>"},
4874         { "sync",            control_ipreallocate,      false,  false,  "wait until ctdbd has synced all state changes" },
4875         { "pfetch",          control_pfetch,            false,  false,  "fetch a record from a persistent database", "<db> <key> [<file>]" },
4876         { "pstore",          control_pstore,            false,  false,  "write a record to a persistent database", "<db> <key> <file containing record>" },
4877         { "tfetch",          control_tfetch,            false,  true,  "fetch a record from a [c]tdb-file", "<tdb-file> <key> [<file>]" },
4878         { "readkey",         control_readkey,           true,   false,  "read the content off a database key", "<tdb-file> <key>" },
4879         { "writekey",        control_writekey,          true,   false,  "write to a database key", "<tdb-file> <key> <value>" },
4880 };
4881
4882 /*
4883   show usage message
4884  */
4885 static void usage(void)
4886 {
4887         int i;
4888         printf(
4889 "Usage: ctdb [options] <control>\n" \
4890 "Options:\n" \
4891 "   -n <node>          choose node number, or 'all' (defaults to local node)\n"
4892 "   -Y                 generate machinereadable output\n"
4893 "   -v                 generate verbose output\n"
4894 "   -t <timelimit>     set timelimit for control in seconds (default %u)\n", options.timelimit);
4895         printf("Controls:\n");
4896         for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
4897                 printf("  %-15s %-27s  %s\n",
4898                        ctdb_commands[i].name,
4899                        ctdb_commands[i].args?ctdb_commands[i].args:"",
4900                        ctdb_commands[i].msg);
4901         }
4902         exit(1);
4903 }
4904
4905
4906 static void ctdb_alarm(int sig)
4907 {
4908         printf("Maximum runtime exceeded - exiting\n");
4909         _exit(ERR_TIMEOUT);
4910 }
4911
4912 /*
4913   main program
4914 */
4915 int main(int argc, const char *argv[])
4916 {
4917         struct ctdb_context *ctdb;
4918         char *nodestring = NULL;
4919         struct poptOption popt_options[] = {
4920                 POPT_AUTOHELP
4921                 POPT_CTDB_CMDLINE
4922                 { "timelimit", 't', POPT_ARG_INT, &options.timelimit, 0, "timelimit", "integer" },
4923                 { "node",      'n', POPT_ARG_STRING, &nodestring, 0, "node", "integer|all" },
4924                 { "machinereadable", 'Y', POPT_ARG_NONE, &options.machinereadable, 0, "enable machinereadable output", NULL },
4925                 { "verbose",    'v', POPT_ARG_NONE, &options.verbose, 0, "enable verbose output", NULL },
4926                 { "maxruntime", 'T', POPT_ARG_INT, &options.maxruntime, 0, "die if runtime exceeds this limit (in seconds)", "integer" },
4927                 POPT_TABLEEND
4928         };
4929         int opt;
4930         const char **extra_argv;
4931         int extra_argc = 0;
4932         int ret=-1, i;
4933         poptContext pc;
4934         struct event_context *ev;
4935         const char *control;
4936
4937         setlinebuf(stdout);
4938
4939         /* set some defaults */
4940         options.maxruntime = 0;
4941         options.timelimit = 3;
4942         options.pnn = CTDB_CURRENT_NODE;
4943
4944         pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
4945
4946         while ((opt = poptGetNextOpt(pc)) != -1) {
4947                 switch (opt) {
4948                 default:
4949                         DEBUG(DEBUG_ERR, ("Invalid option %s: %s\n",
4950                                 poptBadOption(pc, 0), poptStrerror(opt)));
4951                         exit(1);
4952                 }
4953         }
4954
4955         /* setup the remaining options for the main program to use */
4956         extra_argv = poptGetArgs(pc);
4957         if (extra_argv) {
4958                 extra_argv++;
4959                 while (extra_argv[extra_argc]) extra_argc++;
4960         }
4961
4962         if (extra_argc < 1) {
4963                 usage();
4964         }
4965
4966         if (options.maxruntime == 0) {
4967                 const char *ctdb_timeout;
4968                 ctdb_timeout = getenv("CTDB_TIMEOUT");
4969                 if (ctdb_timeout != NULL) {
4970                         options.maxruntime = strtoul(ctdb_timeout, NULL, 0);
4971                 } else {
4972                         /* default timeout is 120 seconds */
4973                         options.maxruntime = 120;
4974                 }
4975         }
4976
4977         signal(SIGALRM, ctdb_alarm);
4978         alarm(options.maxruntime);
4979
4980         /* setup the node number to contact */
4981         if (nodestring != NULL) {
4982                 if (strcmp(nodestring, "all") == 0) {
4983                         options.pnn = CTDB_BROADCAST_ALL;
4984                 } else {
4985                         options.pnn = strtoul(nodestring, NULL, 0);
4986                 }
4987         }
4988
4989         control = extra_argv[0];
4990
4991         ev = event_context_init(NULL);
4992         if (!ev) {
4993                 DEBUG(DEBUG_ERR, ("Failed to initialize event system\n"));
4994                 exit(1);
4995         }
4996         tevent_loop_allow_nesting(ev);
4997
4998         for (i=0;i<ARRAY_SIZE(ctdb_commands);i++) {
4999                 if (strcmp(control, ctdb_commands[i].name) == 0) {
5000                         int j;
5001
5002                         if (ctdb_commands[i].without_daemon == true) {
5003                                 close(2);
5004                         }
5005
5006                         if (ctdb_commands[i].without_daemon == false) {
5007                                 const char *socket_name;
5008
5009                                 /* initialise ctdb */
5010                                 ctdb = ctdb_cmdline_client(ev);
5011
5012                                 if (ctdb == NULL) {
5013                                         DEBUG(DEBUG_ERR, ("Failed to init ctdb\n"));
5014                                         exit(1);
5015                                 }
5016
5017                                 /* initialize a libctdb connection as well */
5018                                 socket_name = ctdb_get_socketname(ctdb);
5019                                 ctdb_connection = ctdb_connect(socket_name,
5020                                                        ctdb_log_file, stderr);
5021                                 if (ctdb_connection == NULL) {
5022                                         fprintf(stderr, "Failed to connect to daemon from libctdb\n");
5023                                         exit(1);
5024                                 }
5025
5026                                 /* verify the node exists */
5027                                 verify_node(ctdb);
5028
5029                                 if (options.pnn == CTDB_CURRENT_NODE) {
5030                                         int pnn;
5031                                         pnn = ctdb_ctrl_getpnn(ctdb, TIMELIMIT(), options.pnn);
5032                                         if (pnn == -1) {
5033                                                 return -1;
5034                                         }
5035                                         options.pnn = pnn;
5036                                 }
5037                         }
5038
5039                         if (ctdb_commands[i].auto_all &&
5040                             options.pnn == CTDB_BROADCAST_ALL) {
5041                                 uint32_t *nodes;
5042                                 uint32_t num_nodes;
5043                                 ret = 0;
5044
5045                                 nodes = ctdb_get_connected_nodes(ctdb, TIMELIMIT(), ctdb, &num_nodes);
5046                                 CTDB_NO_MEMORY(ctdb, nodes);
5047
5048                                 for (j=0;j<num_nodes;j++) {
5049                                         options.pnn = nodes[j];
5050                                         ret |= ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
5051                                 }
5052                                 talloc_free(nodes);
5053                         } else {
5054                                 ret = ctdb_commands[i].fn(ctdb, extra_argc-1, extra_argv+1);
5055                         }
5056                         break;
5057                 }
5058         }
5059
5060         if (i == ARRAY_SIZE(ctdb_commands)) {
5061                 DEBUG(DEBUG_ERR, ("Unknown control '%s'\n", control));
5062                 exit(1);
5063         }
5064
5065         return ret;
5066 }