src/plugins_d.c

   1 #include "common.h"
   2
   3 struct plugind *pluginsd_root = NULL;
   4
   5 #define MAX_WORDS 20
   6
   7 static inline int pluginsd_space(char c) {
   8     switch(c) {
   9     case ' ':
  10     case '\t':
  11     case '\r':
  12     case '\n':
  13     case '=':
  14         return 1;
  15
  16     default:
  17         return 0;
  18     }
  19 }
  20
  21 static int pluginsd_split_words(char *str, char **words, int max_words) {
  22     char *s = str, quote = 0;
  23     int i = 0, j;
  24
  25     // skip all white space
  26     while(unlikely(pluginsd_space(*s))) s++;
  27
  28     // check for quote
  29     if(unlikely(*s == '\'' || *s == '"')) {
  30         quote = *s; // remember the quote
  31         s++;        // skip the quote
  32     }
  33
  34     // store the first word
  35     words[i++] = s;
  36
  37     // while we have something
  38     while(likely(*s)) {
  39         // if it is escape
  40         if(unlikely(*s == '\\' && s[1])) {
  41             s += 2;
  42             continue;
  43         }
  44
  45         // if it is quote
  46         else if(unlikely(*s == quote)) {
  47             quote = 0;
  48             *s = ' ';
  49             continue;
  50         }
  51
  52         // if it is a space
  53         else if(unlikely(quote == 0 && pluginsd_space(*s))) {
  54
  55             // terminate the word
  56             *s++ = '\0';
  57
  58             // skip all white space
  59             while(likely(pluginsd_space(*s))) s++;
  60
  61             // check for quote
  62             if(unlikely(*s == '\'' || *s == '"')) {
  63                 quote = *s; // remember the quote
  64                 s++;        // skip the quote
  65             }
  66
  67             // if we reached the end, stop
  68             if(unlikely(!*s)) break;
  69
  70             // store the next word
  71             if(likely(i < max_words)) words[i++] = s;
  72             else break;
  73         }
  74
  75         // anything else
  76         else s++;
  77     }
  78
  79     // terminate the words
  80     j = i;
  81     while(likely(j < max_words)) words[j++] = NULL;
  82
  83     return i;
  84 }
  85
  86
  87 void *pluginsd_worker_thread(void *arg) {
  88     struct plugind *cd = (struct plugind *)arg;
  89     cd->obsolete = 0;
  90
  91     char line[PLUGINSD_LINE_MAX + 1];
  92
  93 #ifdef DETACH_PLUGINS_FROM_NETDATA
  94     usec_t usec = 0, susec = 0;
  95     struct timeval last = {0, 0} , now = {0, 0};
  96 #endif
  97
  98     char *words[MAX_WORDS] = { NULL };
  99     uint32_t HOST_HASH = simple_hash("HOST");
 100     uint32_t BEGIN_HASH = simple_hash("BEGIN");
 101     uint32_t END_HASH = simple_hash("END");
 102     uint32_t FLUSH_HASH = simple_hash("FLUSH");
 103     uint32_t CHART_HASH = simple_hash("CHART");
 104     uint32_t DIMENSION_HASH = simple_hash("DIMENSION");
 105     uint32_t DISABLE_HASH = simple_hash("DISABLE");
 106 #ifdef DETACH_PLUGINS_FROM_NETDATA
 107     uint32_t MYPID_HASH = simple_hash("MYPID");
 108     uint32_t STOPPING_WAKE_ME_UP_PLEASE_HASH = simple_hash("STOPPING_WAKE_ME_UP_PLEASE");
 109 #endif
 110
 111     size_t count = 0;
 112     RRDHOST *host = localhost;
 113
 114     for(;;) {
 115         if(unlikely(netdata_exit)) break;
 116
 117         FILE *fp = mypopen(cd->cmd, &cd->pid);
 118         if(unlikely(!fp)) {
 119             error("Cannot popen(\"%s\", \"r\").", cd->cmd);
 120             break;
 121         }
 122
 123         info("PLUGINSD: '%s' running on pid %d", cd->fullfilename, cd->pid);
 124
 125         RRDSET *st = NULL;
 126         uint32_t hash;
 127
 128         while(likely(fgets(line, PLUGINSD_LINE_MAX, fp) != NULL)) {
 129             if(unlikely(netdata_exit)) break;
 130
 131             line[PLUGINSD_LINE_MAX] = '\0';
 132
 133             // debug(D_PLUGINSD, "PLUGINSD: %s: %s", cd->filename, line);
 134
 135             int w = pluginsd_split_words(line, words, MAX_WORDS);
 136             char *s = words[0];
 137             if(unlikely(!s || !*s || !w)) {
 138                 // debug(D_PLUGINSD, "PLUGINSD: empty line");
 139                 continue;
 140             }
 141
 142             // debug(D_PLUGINSD, "PLUGINSD: words 0='%s' 1='%s' 2='%s' 3='%s' 4='%s' 5='%s' 6='%s' 7='%s' 8='%s' 9='%s'", words[0], words[1], words[2], words[3], words[4], words[5], words[6], words[7], words[8], words[9]);
 143
 144             if(likely(!simple_hash_strcmp(s, "SET", &hash))) {
 145                 char *dimension = words[1];
 146                 char *value = words[2];
 147
 148                 if(unlikely(!dimension || !*dimension)) {
 149                     error("PLUGINSD: '%s' is requesting a SET on chart '%s', without a dimension. Disabling it.", cd->fullfilename, st->id);
 150                     cd->enabled = 0;
 151                     killpid(cd->pid, SIGTERM);
 152                     break;
 153                 }
 154
 155                 if(unlikely(!value || !*value)) value = NULL;
 156
 157                 if(unlikely(!st)) {
 158                     error("PLUGINSD: '%s' is requesting a SET on dimension %s with value %s, without a BEGIN. Disabling it.", cd->fullfilename, dimension, value?value:"<nothing>");
 159                     cd->enabled = 0;
 160                     killpid(cd->pid, SIGTERM);
 161                     break;
 162                 }
 163
 164                 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG))) debug(D_PLUGINSD, "PLUGINSD: '%s' is setting dimension %s/%s to %s", cd->fullfilename, st->id, dimension, value?value:"<nothing>");
 165
 166                 if(value) rrddim_set(st, dimension, strtoll(value, NULL, 0));
 167             }
 168             else if(likely(hash == BEGIN_HASH && !strcmp(s, "BEGIN"))) {
 169                 char *id = words[1];
 170                 char *microseconds_txt = words[2];
 171
 172                 if(unlikely(!id)) {
 173                     error("PLUGINSD: '%s' is requesting a BEGIN without a chart id. Disabling it.", cd->fullfilename);
 174                     cd->enabled = 0;
 175                     killpid(cd->pid, SIGTERM);
 176                     break;
 177                 }
 178
 179                 st = rrdset_find(host, id);
 180                 if(unlikely(!st)) {
 181                     error("PLUGINSD: '%s' is requesting a BEGIN on chart '%s', which does not exist. Disabling it.", cd->fullfilename, id);
 182                     cd->enabled = 0;
 183                     killpid(cd->pid, SIGTERM);
 184                     break;
 185                 }
 186
 187                 if(likely(st->counter_done)) {
 188                     usec_t microseconds = 0;
 189                     if(microseconds_txt && *microseconds_txt) microseconds = str2ull(microseconds_txt);
 190                     if(microseconds) rrdset_next_usec(st, microseconds);
 191                     else rrdset_next(st);
 192                 }
 193             }
 194             else if(likely(hash == END_HASH && !strcmp(s, "END"))) {
 195                 if(unlikely(!st)) {
 196                     error("PLUGINSD: '%s' is requesting an END, without a BEGIN. Disabling it.", cd->fullfilename);
 197                     cd->enabled = 0;
 198                     killpid(cd->pid, SIGTERM);
 199                     break;
 200                 }
 201
 202                 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG))) debug(D_PLUGINSD, "PLUGINSD: '%s' is requesting an END on chart %s", cd->fullfilename, st->id);
 203
 204                 rrdset_done(st);
 205                 st = NULL;
 206
 207                 count++;
 208             }
 209             else if(likely(hash == HOST_HASH && !strcmp(s, "HOST"))) {
 210                 char *guid = words[1];
 211                 char *hostname = words[2];
 212
 213                 if(unlikely(!guid || !*guid)) {
 214                     error("PLUGINSD: '%s' is requesting a HOST, without a guid. Disabling it.", cd->fullfilename);
 215                     cd->enabled = 0;
 216                     killpid(cd->pid, SIGTERM);
 217                     break;
 218                 }
 219                 if(unlikely(!hostname || !*hostname)) {
 220                     error("PLUGINSD: '%s' is requesting a HOST, without a hostname. Disabling it.", cd->fullfilename);
 221                     cd->enabled = 0;
 222                     killpid(cd->pid, SIGTERM);
 223                     break;
 224                 }
 225
 226                 host = rrdhost_find_or_create(hostname, guid);
 227             }
 228             else if(likely(hash == FLUSH_HASH && !strcmp(s, "FLUSH"))) {
 229                 debug(D_PLUGINSD, "PLUGINSD: '%s' is requesting a FLUSH", cd->fullfilename);
 230                 st = NULL;
 231             }
 232             else if(likely(hash == CHART_HASH && !strcmp(s, "CHART"))) {
 233                 int noname = 0;
 234                 st = NULL;
 235
 236                 if((words[1]) != NULL && (words[2]) != NULL && strcmp(words[1], words[2]) == 0)
 237                     noname = 1;
 238
 239                 char *type = words[1];
 240                 char *id = NULL;
 241                 if(likely(type)) {
 242                     id = strchr(type, '.');
 243                     if(likely(id)) { *id = '\0'; id++; }
 244                 }
 245                 char *name = words[2];
 246                 char *title = words[3];
 247                 char *units = words[4];
 248                 char *family = words[5];
 249                 char *context = words[6];
 250                 char *chart = words[7];
 251                 char *priority_s = words[8];
 252                 char *update_every_s = words[9];
 253
 254                 if(unlikely(!type || !*type || !id || !*id)) {
 255                     error("PLUGINSD: '%s' is requesting a CHART, without a type.id. Disabling it.", cd->fullfilename);
 256                     cd->enabled = 0;
 257                     killpid(cd->pid, SIGTERM);
 258                     break;
 259                 }
 260
 261                 int priority = 1000;
 262                 if(likely(priority_s)) priority = str2i(priority_s);
 263
 264                 int update_every = cd->update_every;
 265                 if(likely(update_every_s)) update_every = str2i(update_every_s);
 266                 if(unlikely(!update_every)) update_every = cd->update_every;
 267
 268                 RRDSET_TYPE chart_type = RRDSET_TYPE_LINE;
 269                 if(unlikely(chart)) chart_type = rrdset_type_id(chart);
 270
 271                 if(unlikely(noname || !name || !*name || strcasecmp(name, "NULL") == 0 || strcasecmp(name, "(NULL)") == 0)) name = NULL;
 272                 if(unlikely(!family || !*family)) family = NULL;
 273                 if(unlikely(!context || !*context)) context = NULL;
 274
 275                 st = rrdset_find_bytype(host, type, id);
 276                 if(unlikely(!st)) {
 277                     debug(D_PLUGINSD, "PLUGINSD: Creating chart type='%s', id='%s', name='%s', family='%s', context='%s', chart='%s', priority=%d, update_every=%d"
 278                         , type, id
 279                         , name?name:""
 280                         , family?family:""
 281                         , context?context:""
 282                         , rrdset_type_name(chart_type)
 283                         , priority
 284                         , update_every
 285                         );
 286
 287                     st = rrdset_create(host, type, id, name, family, context, title, units, priority, update_every
 288                                                  , chart_type);
 289                     cd->update_every = update_every;
 290                 }
 291                 else debug(D_PLUGINSD, "PLUGINSD: Chart '%s' already exists. Not adding it again.", st->id);
 292             }
 293             else if(likely(hash == DIMENSION_HASH && !strcmp(s, "DIMENSION"))) {
 294                 char *id = words[1];
 295                 char *name = words[2];
 296                 char *algorithm = words[3];
 297                 char *multiplier_s = words[4];
 298                 char *divisor_s = words[5];
 299                 char *options = words[6];
 300
 301                 if(unlikely(!id || !*id)) {
 302                     error("PLUGINSD: '%s' is requesting a DIMENSION, without an id. Disabling it.", cd->fullfilename);
 303                     cd->enabled = 0;
 304                     killpid(cd->pid, SIGTERM);
 305                     break;
 306                 }
 307
 308                 if(unlikely(!st)) {
 309                     error("PLUGINSD: '%s' is requesting a DIMENSION, without a CHART. Disabling it.", cd->fullfilename);
 310                     cd->enabled = 0;
 311                     killpid(cd->pid, SIGTERM);
 312                     break;
 313                 }
 314
 315                 long multiplier = 1;
 316                 if(multiplier_s && *multiplier_s) multiplier = strtol(multiplier_s, NULL, 0);
 317                 if(unlikely(!multiplier)) multiplier = 1;
 318
 319                 long divisor = 1;
 320                 if(likely(divisor_s && *divisor_s)) divisor = strtol(divisor_s, NULL, 0);
 321                 if(unlikely(!divisor)) divisor = 1;
 322
 323                 if(unlikely(!algorithm || !*algorithm)) algorithm = "absolute";
 324
 325                 if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
 326                     debug(D_PLUGINSD, "PLUGINSD: Creating dimension in chart %s, id='%s', name='%s', algorithm='%s', multiplier=%ld, divisor=%ld, hidden='%s'"
 327                         , st->id
 328                         , id
 329                         , name?name:""
 330                         , rrd_algorithm_name(rrd_algorithm_id(algorithm))
 331                         , multiplier
 332                         , divisor
 333                         , options?options:""
 334                         );
 335
 336                 RRDDIM *rd = rrddim_find(st, id);
 337                 if(unlikely(!rd)) {
 338                     rd = rrddim_add(st, id, name, multiplier, divisor, rrd_algorithm_id(algorithm));
 339                     rd->flags = 0x00000000;
 340                     if(options && *options) {
 341                         if(strstr(options, "hidden") != NULL) rrddim_flag_set(rd, RRDDIM_FLAG_HIDDEN);
 342                         if(strstr(options, "noreset") != NULL) rrddim_flag_set(rd, RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS);
 343                         if(strstr(options, "nooverflow") != NULL) rrddim_flag_set(rd, RRDDIM_FLAG_DONT_DETECT_RESETS_OR_OVERFLOWS);
 344                     }
 345                 }
 346                 else if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
 347                     debug(D_PLUGINSD, "PLUGINSD: dimension %s/%s already exists. Not adding it again.", st->id, id);
 348             }
 349             else if(unlikely(hash == DISABLE_HASH && !strcmp(s, "DISABLE"))) {
 350                 info("PLUGINSD: '%s' called DISABLE. Disabling it.", cd->fullfilename);
 351                 cd->enabled = 0;
 352                 killpid(cd->pid, SIGTERM);
 353                 break;
 354             }
 355 #ifdef DETACH_PLUGINS_FROM_NETDATA
 356             else if(likely(hash == MYPID_HASH && !strcmp(s, "MYPID"))) {
 357                 char *pid_s = words[1];
 358                 pid_t pid = strtod(pid_s, NULL, 0);
 359
 360                 if(likely(pid)) cd->pid = pid;
 361                 debug(D_PLUGINSD, "PLUGINSD: %s is on pid %d", cd->id, cd->pid);
 362             }
 363             else if(likely(hash == STOPPING_WAKE_ME_UP_PLEASE_HASH && !strcmp(s, "STOPPING_WAKE_ME_UP_PLEASE"))) {
 364                 error("PLUGINSD: '%s' (pid %d) called STOPPING_WAKE_ME_UP_PLEASE.", cd->fullfilename, cd->pid);
 365
 366                 now_realtime_timeval(&now);
 367                 if(unlikely(!usec && !susec)) {
 368                     // our first run
 369                     susec = cd->rrd_update_every * USEC_PER_SEC;
 370                 }
 371                 else {
 372                     // second+ run
 373                     usec = dt_usec(&now, &last) - susec;
 374                     error("PLUGINSD: %s last loop took %llu usec (worked for %llu, sleeped for %llu).\n", cd->fullfilename, usec + susec, usec, susec);
 375                     if(unlikely(usec < (localhost->rrd_update_every * USEC_PER_SEC / 2ULL))) susec = (localhost->rrd_update_every * USEC_PER_SEC) - usec;
 376                     else susec = localhost->rrd_update_every * USEC_PER_SEC / 2ULL;
 377                 }
 378
 379                 error("PLUGINSD: %s sleeping for %llu. Will kill with SIGCONT pid %d to wake it up.\n", cd->fullfilename, susec, cd->pid);
 380                 usleep(susec);
 381                 killpid(cd->pid, SIGCONT);
 382                 memmove(&last, &now, sizeof(struct timeval));
 383                 break;
 384             }
 385 #endif
 386             else {
 387                 error("PLUGINSD: '%s' is sending command '%s' which is not known by netdata. Disabling it.", cd->fullfilename, s);
 388                 cd->enabled = 0;
 389                 killpid(cd->pid, SIGTERM);
 390                 break;
 391             }
 392         }
 393         if(likely(count)) {
 394             cd->successful_collections += count;
 395             cd->serial_failures = 0;
 396         }
 397         else
 398             cd->serial_failures++;
 399
 400         info("PLUGINSD: '%s' on pid %d stopped after %zu successful data collections (ENDs).", cd->fullfilename, cd->pid, count);
 401
 402         // get the return code
 403         int code = mypclose(fp, cd->pid);
 404
 405         if(unlikely(netdata_exit)) break;
 406         else if(code != 0) {
 407             // the plugin reports failure
 408
 409             if(likely(!cd->successful_collections)) {
 410                 // nothing collected - disable it
 411                 error("PLUGINSD: '%s' exited with error code %d. Disabling it.", cd->fullfilename, code);
 412                 cd->enabled = 0;
 413             }
 414             else {
 415                 // we have collected something
 416
 417                 if(likely(cd->serial_failures <= 10)) {
 418                     error("PLUGINSD: '%s' exited with error code %d, but has given useful output in the past (%zu times). %s", cd->fullfilename, code, cd->successful_collections, cd->enabled?"Waiting a bit before starting it again.":"Will not start it again - it is disabled.");
 419                     sleep((unsigned int) (cd->update_every * 10));
 420                 }
 421                 else {
 422                     error("PLUGINSD: '%s' exited with error code %d, but has given useful output in the past (%zu times). We tried %zu times to restart it, but it failed to generate data. Disabling it.", cd->fullfilename, code, cd->successful_collections, cd->serial_failures);
 423                     cd->enabled = 0;
 424                 }
 425             }
 426         }
 427         else {
 428             // the plugin reports success
 429
 430             if(unlikely(!cd->successful_collections)) {
 431                 // we have collected nothing so far
 432
 433                 if(likely(cd->serial_failures <= 10)) {
 434                     error("PLUGINSD: '%s' (pid %d) does not generate useful output but it reports success (exits with 0). %s.", cd->fullfilename, cd->pid, cd->enabled?"Waiting a bit before starting it again.":"Will not start it again - it is disabled.");
 435                     sleep((unsigned int) (cd->update_every * 10));
 436                 }
 437                 else {
 438                     error("PLUGINSD: '%s' (pid %d) does not generate useful output, although it reports success (exits with 0), but we have tried %zu times to collect something. Disabling it.", cd->fullfilename, cd->pid, cd->serial_failures);
 439                     cd->enabled = 0;
 440                 }
 441             }
 442             else
 443                 sleep((unsigned int) cd->update_every);
 444         }
 445         cd->pid = 0;
 446
 447         if(unlikely(!cd->enabled)) break;
 448     }
 449
 450     info("PLUGINSD: '%s' thread exiting", cd->fullfilename);
 451
 452     cd->obsolete = 1;
 453     pthread_exit(NULL);
 454     return NULL;
 455 }
 456
 457 void *pluginsd_main(void *ptr) {
 458     struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
 459
 460     info("PLUGINS.D thread created with task id %d", gettid());
 461
 462     if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
 463         error("Cannot set pthread cancel type to DEFERRED.");
 464
 465     if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
 466         error("Cannot set pthread cancel state to ENABLE.");
 467
 468     int automatic_run = config_get_boolean("plugins", "enable running new plugins", 1);
 469     int scan_frequency = (int) config_get_number("plugins", "check for new plugins every", 60);
 470     DIR *dir = NULL;
 471     struct dirent *file = NULL;
 472     struct plugind *cd;
 473
 474     // enable the apps plugin by default
 475     // config_get_boolean("plugins", "apps", 1);
 476
 477     if(scan_frequency < 1) scan_frequency = 1;
 478
 479     for(;;) {
 480         if(unlikely(netdata_exit)) break;
 481
 482         dir = opendir(netdata_configured_plugins_dir);
 483         if(unlikely(!dir)) {
 484             error("Cannot open directory '%s'.", netdata_configured_plugins_dir);
 485             goto cleanup;
 486         }
 487
 488         while(likely((file = readdir(dir)))) {
 489             if(unlikely(netdata_exit)) break;
 490
 491             debug(D_PLUGINSD, "PLUGINSD: Examining file '%s'", file->d_name);
 492
 493             if(unlikely(strcmp(file->d_name, ".") == 0 || strcmp(file->d_name, "..") == 0)) continue;
 494
 495             int len = (int) strlen(file->d_name);
 496             if(unlikely(len <= (int)PLUGINSD_FILE_SUFFIX_LEN)) continue;
 497             if(unlikely(strcmp(PLUGINSD_FILE_SUFFIX, &file->d_name[len - (int)PLUGINSD_FILE_SUFFIX_LEN]) != 0)) {
 498                 debug(D_PLUGINSD, "PLUGINSD: File '%s' does not end in '%s'.", file->d_name, PLUGINSD_FILE_SUFFIX);
 499                 continue;
 500             }
 501
 502             char pluginname[CONFIG_MAX_NAME + 1];
 503             snprintfz(pluginname, CONFIG_MAX_NAME, "%.*s", (int)(len - PLUGINSD_FILE_SUFFIX_LEN), file->d_name);
 504             int enabled = config_get_boolean("plugins", pluginname, automatic_run);
 505
 506             if(unlikely(!enabled)) {
 507                 debug(D_PLUGINSD, "PLUGINSD: plugin '%s' is not enabled", file->d_name);
 508                 continue;
 509             }
 510
 511             // check if it runs already
 512             for(cd = pluginsd_root ; cd ; cd = cd->next)
 513                 if(unlikely(strcmp(cd->filename, file->d_name) == 0)) break;
 514
 515             if(likely(cd && !cd->obsolete)) {
 516                 debug(D_PLUGINSD, "PLUGINSD: plugin '%s' is already running", cd->filename);
 517                 continue;
 518             }
 519
 520             // it is not running
 521             // allocate a new one, or use the obsolete one
 522             if(unlikely(!cd)) {
 523                 cd = callocz(sizeof(struct plugind), 1);
 524
 525                 snprintfz(cd->id, CONFIG_MAX_NAME, "plugin:%s", pluginname);
 526
 527                 strncpyz(cd->filename, file->d_name, FILENAME_MAX);
 528                 snprintfz(cd->fullfilename, FILENAME_MAX, "%s/%s", netdata_configured_plugins_dir, cd->filename);
 529
 530                 cd->enabled = enabled;
 531                 cd->update_every = (int) config_get_number(cd->id, "update every", localhost->rrd_update_every);
 532                 cd->started_t = now_realtime_sec();
 533
 534                 char *def = "";
 535                 snprintfz(cd->cmd, PLUGINSD_CMD_MAX, "exec %s %d %s", cd->fullfilename, cd->update_every, config_get(cd->id, "command options", def));
 536
 537                 // link it
 538                 if(likely(pluginsd_root)) cd->next = pluginsd_root;
 539                 pluginsd_root = cd;
 540
 541                 // it is not currently running
 542                 cd->obsolete = 1;
 543
 544                 if(cd->enabled) {
 545                     // spawn a new thread for it
 546                     if(unlikely(pthread_create(&cd->thread, NULL, pluginsd_worker_thread, cd) != 0))
 547                         error("PLUGINSD: failed to create new thread for plugin '%s'.", cd->filename);
 548
 549                     else if(unlikely(pthread_detach(cd->thread) != 0))
 550                         error("PLUGINSD: Cannot request detach of newly created thread for plugin '%s'.", cd->filename);
 551                 }
 552             }
 553         }
 554
 555         closedir(dir);
 556         sleep((unsigned int) scan_frequency);
 557     }
 558
 559 cleanup:
 560     info("PLUGINS.D thread exiting");
 561
 562     static_thread->enabled = 0;
 563     pthread_exit(NULL);
 564     return NULL;
 565 }