suricata
counters.c
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1 /* Copyright (C) 2007-2024 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \file
20  *
21  * \author Anoop Saldanha <anoopsaldanha@gmail.com>
22  * \author Victor Julien <victor@inliniac.net>
23  *
24  * Engine stats API
25  */
26 
27 #include "suricata-common.h"
28 #include "counters.h"
29 
30 #include "suricata.h"
31 #include "threadvars.h"
32 
33 #include "output.h"
34 #include "output-json-stats.h"
35 
36 #include "util-byte.h"
37 #include "util-conf.h"
38 #include "util-hash.h"
39 #include "util-time.h"
40 
41 #include "tm-threads.h"
42 #include "util-privs.h"
43 
44 /* Time interval for syncing the local counters with the global ones */
45 #define STATS_WUT_TTS 3
46 
47 /* Time interval at which the mgmt thread o/p the stats */
48 #define STATS_MGMTT_TTS 8
49 
50 /**
51  * \brief Different kinds of qualifier that can be used to modify the behaviour
52  * of the counter to be registered
53  */
54 enum {
59 
61 };
62 
63 /**
64  * \brief per thread store of counters
65  */
66 typedef struct StatsThreadStore_ {
67  /** thread name used in output */
68  const char *name;
69 
71 
73  uint32_t size;
74 
77 
78 /**
79  * \brief Holds the output interface context for the counter api
80  */
81 typedef struct StatsGlobalContext_ {
82  /** list of thread stores: one per thread plus one global */
85  int sts_cnt;
86 
88 
91 
92 static void *stats_thread_data = NULL;
93 static StatsGlobalContext *stats_ctx = NULL;
94 static time_t stats_start_time;
95 /** refresh interval in seconds */
96 static uint32_t stats_tts = STATS_MGMTT_TTS;
97 /** is the stats counter enabled? */
98 static bool stats_enabled = true;
99 
100 /**< add decoder events as stats? enabled by default */
102 const char *stats_decoder_events_prefix = "decoder.event";
103 /**< add stream events as stats? disabled by default */
104 bool stats_stream_events = false;
105 
106 static int StatsOutput(ThreadVars *tv);
107 static int StatsThreadRegister(const char *thread_name, StatsPublicThreadContext *);
109 
110 /** stats table is filled each interval and passed to the
111  * loggers. Initialized at first use. */
112 static StatsTable stats_table = { NULL, NULL, 0, 0, 0, {0 , 0}};
113 static SCMutex stats_table_mutex = SCMUTEX_INITIALIZER;
114 static int stats_loggers_active = 1;
115 
116 static uint16_t counters_global_id = 0;
117 
118 bool StatsEnabled(void)
119 {
120  return stats_enabled;
121 }
122 
123 static void StatsPublicThreadContextInit(StatsPublicThreadContext *t)
124 {
125  SCMutexInit(&t->m, NULL);
126 }
127 
128 static void StatsPublicThreadContextCleanup(StatsPublicThreadContext *t)
129 {
130  SCMutexLock(&t->m);
132  t->head = NULL;
133  SC_ATOMIC_SET(t->sync_now, false);
134  t->curr_id = 0;
135  SCMutexUnlock(&t->m);
136  SCMutexDestroy(&t->m);
137 }
138 
139 /**
140  * \brief Adds a value of type uint64_t to the local counter.
141  *
142  * \param id ID of the counter as set by the API
143  * \param pca Counter array that holds the local counter for this TM
144  * \param x Value to add to this local counter
145  */
146 void StatsAddUI64(ThreadVars *tv, uint16_t id, uint64_t x)
147 {
149 #if defined (UNITTESTS) || defined (FUZZ)
150  if (pca->initialized == 0)
151  return;
152 #endif
153 #ifdef DEBUG
154  BUG_ON ((id < 1) || (id > pca->size));
155 #endif
156  pca->head[id].value += x;
157  pca->head[id].updates++;
158 }
159 
160 /**
161  * \brief Increments the local counter
162  *
163  * \param id Index of the counter in the counter array
164  * \param pca Counter array that holds the local counters for this TM
165  */
166 void StatsIncr(ThreadVars *tv, uint16_t id)
167 {
169 #if defined (UNITTESTS) || defined (FUZZ)
170  if (pca->initialized == 0)
171  return;
172 #endif
173 #ifdef DEBUG
174  BUG_ON ((id < 1) || (id > pca->size));
175 #endif
176  pca->head[id].value++;
177  pca->head[id].updates++;
178 }
179 
180 /**
181  * \brief Decrements the local counter
182  *
183  * \param id Index of the counter in the counter array
184  * \param pca Counter array that holds the local counters for this TM
185  */
186 void StatsDecr(ThreadVars *tv, uint16_t id)
187 {
189 #if defined(UNITTESTS) || defined(FUZZ)
190  if (pca->initialized == 0)
191  return;
192 #endif
193 #ifdef DEBUG
194  BUG_ON((id < 1) || (id > pca->size));
195 #endif
196  pca->head[id].value--;
197  pca->head[id].updates++;
198 }
199 
200 /**
201  * \brief Sets a value of type double to the local counter
202  *
203  * \param id Index of the local counter in the counter array
204  * \param pca Pointer to the StatsPrivateThreadContext
205  * \param x The value to set for the counter
206  */
207 void StatsSetUI64(ThreadVars *tv, uint16_t id, uint64_t x)
208 {
210 #if defined (UNITTESTS) || defined (FUZZ)
211  if (pca->initialized == 0)
212  return;
213 #endif
214 #ifdef DEBUG
215  BUG_ON ((id < 1) || (id > pca->size));
216 #endif
217 
218  if ((pca->head[id].pc->type == STATS_TYPE_MAXIMUM) && ((int64_t)x > pca->head[id].value)) {
219  pca->head[id].value = x;
220  } else if (pca->head[id].pc->type == STATS_TYPE_NORMAL) {
221  pca->head[id].value = x;
222  }
223 
224  pca->head[id].updates++;
225 }
226 
227 static SCConfNode *GetConfig(void)
228 {
229  SCConfNode *stats = SCConfGetNode("stats");
230  if (stats != NULL)
231  return stats;
232 
233  SCConfNode *root = SCConfGetNode("outputs");
234  SCConfNode *node = NULL;
235  if (root != NULL) {
236  TAILQ_FOREACH(node, &root->head, next) {
237  if (strcmp(node->val, "stats") == 0) {
238  return node->head.tqh_first;
239  }
240  }
241  }
242  return NULL;
243 }
244 
245 /**
246  * \brief Initializes stats context
247  */
248 static void StatsInitCtxPreOutput(void)
249 {
250  SCEnter();
251  SCConfNode *stats = GetConfig();
252  if (stats != NULL) {
253  const char *enabled = SCConfNodeLookupChildValue(stats, "enabled");
254  if (enabled != NULL && SCConfValIsFalse(enabled)) {
255  stats_enabled = false;
256  SCLogDebug("Stats module has been disabled");
257  SCReturn;
258  }
259  /* warn if we are using legacy config to enable stats */
260  SCConfNode *gstats = SCConfGetNode("stats");
261  if (gstats == NULL) {
262  SCLogWarning("global stats config is missing. "
263  "Stats enabled through legacy stats.log. "
264  "See %s/configuration/suricata-yaml.html#stats",
265  GetDocURL());
266  }
267 
268  const char *interval = SCConfNodeLookupChildValue(stats, "interval");
269  if (interval != NULL)
270  if (StringParseUint32(&stats_tts, 10, 0, interval) < 0) {
271  SCLogWarning("Invalid value for "
272  "interval: \"%s\". Resetting to %d.",
273  interval, STATS_MGMTT_TTS);
274  stats_tts = STATS_MGMTT_TTS;
275  }
276 
277  int b;
278  int ret = SCConfGetChildValueBool(stats, "decoder-events", &b);
279  if (ret) {
280  stats_decoder_events = (b == 1);
281  }
282  ret = SCConfGetChildValueBool(stats, "stream-events", &b);
283  if (ret) {
284  stats_stream_events = (b == 1);
285  }
286 
287  const char *prefix = NULL;
288  if (SCConfGet("stats.decoder-events-prefix", &prefix) != 1) {
289  prefix = "decoder.event";
290  }
292  }
293  SCReturn;
294 }
295 
296 static void StatsInitCtxPostOutput(void)
297 {
298  SCEnter();
299  /* Store the engine start time */
300  time(&stats_start_time);
301 
302  /* init the lock used by StatsThreadStore */
303  if (SCMutexInit(&stats_ctx->sts_lock, NULL) != 0) {
304  FatalError("error initializing sts mutex");
305  }
306 
307  if (stats_enabled && !OutputStatsLoggersRegistered()) {
308  stats_loggers_active = 0;
309 
310  /* if the unix command socket is enabled we do the background
311  * stats sync just in case someone runs 'dump-counters' */
312  if (!ConfUnixSocketIsEnable()) {
313  SCLogWarning("stats are enabled but no loggers are active");
314  stats_enabled = false;
315  SCReturn;
316  }
317  }
318 
319  SCReturn;
320 }
321 
322 /**
323  * \brief Releases the resources allotted to the output context of the
324  * Stats API
325  */
326 static void StatsReleaseCtx(void)
327 {
328  if (stats_ctx == NULL) {
329  SCLogDebug("Counter module has been disabled");
330  return;
331  }
332 
333  StatsThreadStore *sts = NULL;
334  StatsThreadStore *temp = NULL;
335  sts = stats_ctx->sts;
336 
337  while (sts != NULL) {
338  if (sts->head != NULL)
339  SCFree(sts->head);
340 
341  temp = sts->next;
342  SCFree(sts);
343  sts = temp;
344  }
345 
346  if (stats_ctx->counters_id_hash != NULL) {
347  HashTableFree(stats_ctx->counters_id_hash);
348  stats_ctx->counters_id_hash = NULL;
349  counters_global_id = 0;
350  }
351 
352  StatsPublicThreadContextCleanup(&stats_ctx->global_counter_ctx);
353  SCFree(stats_ctx);
354  stats_ctx = NULL;
355 
356  SCMutexLock(&stats_table_mutex);
357  /* free stats table */
358  if (stats_table.tstats != NULL) {
359  SCFree(stats_table.tstats);
360  stats_table.tstats = NULL;
361  }
362 
363  if (stats_table.stats != NULL) {
364  SCFree(stats_table.stats);
365  stats_table.stats = NULL;
366  }
367  memset(&stats_table, 0, sizeof(stats_table));
368  SCMutexUnlock(&stats_table_mutex);
369 }
370 
371 /**
372  * \brief management thread. This thread is responsible for writing the stats
373  *
374  * \param arg thread var
375  *
376  * \retval NULL This is the value that is always returned
377  */
378 static void *StatsMgmtThread(void *arg)
379 {
380  ThreadVars *tv_local = (ThreadVars *)arg;
381 
382  SCSetThreadName(tv_local->name);
383 
384  if (tv_local->thread_setup_flags != 0)
385  TmThreadSetupOptions(tv_local);
386 
387  /* Set the threads capability */
388  tv_local->cap_flags = 0;
389  SCDropCaps(tv_local);
390 
391  if (stats_ctx == NULL) {
392  SCLogError("Stats API not init"
393  "StatsInitCounterApi() has to be called first");
395  return NULL;
396  }
397 
399  BUG_ON(tm->ThreadInit == NULL);
400  int r = tm->ThreadInit(tv_local, NULL, &stats_thread_data);
401  if (r != 0 || stats_thread_data == NULL) {
402  SCLogError("Stats API "
403  "ThreadInit failed");
405  return NULL;
406  }
407  SCLogDebug("stats_thread_data %p", &stats_thread_data);
408 
410  bool run = TmThreadsWaitForUnpause(tv_local);
411  while (run) {
412  struct timeval cur_timev;
413  gettimeofday(&cur_timev, NULL);
414  struct timespec cond_time = FROM_TIMEVAL(cur_timev);
415  cond_time.tv_sec += (stats_tts);
416 
417  /* wait for the set time, or until we are woken up by
418  * the shutdown procedure */
419  SCCtrlMutexLock(tv_local->ctrl_mutex);
420  SCCtrlCondTimedwait(tv_local->ctrl_cond, tv_local->ctrl_mutex, &cond_time);
421  SCCtrlMutexUnlock(tv_local->ctrl_mutex);
422 
423  SCMutexLock(&stats_table_mutex);
424  StatsOutput(tv_local);
425  SCMutexUnlock(&stats_table_mutex);
426 
427  if (TmThreadsCheckFlag(tv_local, THV_KILL)) {
428  break;
429  }
430  }
431 
433  TmThreadWaitForFlag(tv_local, THV_DEINIT);
434 
435  r = tm->ThreadDeinit(tv_local, stats_thread_data);
436  if (r != TM_ECODE_OK) {
437  SCLogError("Stats Counter API "
438  "ThreadDeinit failed");
439  }
440 
441  TmThreadsSetFlag(tv_local, THV_CLOSED);
442  return NULL;
443 }
444 
446 {
448 }
449 
451 {
452  if (SC_ATOMIC_GET(tv->perf_public_ctx.sync_now)) {
454  }
455 }
456 
457 /**
458  * \brief Wake up thread. This thread wakes up every TTS(time to sleep) seconds
459  * and sets the flag for every ThreadVars' StatsPublicThreadContext
460  *
461  * \param arg is NULL always
462  *
463  * \retval NULL This is the value that is always returned
464  */
465 static void *StatsWakeupThread(void *arg)
466 {
467  ThreadVars *tv_local = (ThreadVars *)arg;
468 
469  SCSetThreadName(tv_local->name);
470 
471  if (tv_local->thread_setup_flags != 0)
472  TmThreadSetupOptions(tv_local);
473 
474  /* Set the threads capability */
475  tv_local->cap_flags = 0;
476  SCDropCaps(tv_local);
477 
478  if (stats_ctx == NULL) {
479  SCLogError("Stats API not init"
480  "StatsInitCounterApi() has to be called first");
482  return NULL;
483  }
484 
486  bool run = TmThreadsWaitForUnpause(tv_local);
487 
488  while (run) {
489  struct timeval cur_timev;
490  gettimeofday(&cur_timev, NULL);
491  struct timespec cond_time = FROM_TIMEVAL(cur_timev);
492  cond_time.tv_sec += STATS_WUT_TTS;
493 
494  /* wait for the set time, or until we are woken up by
495  * the shutdown procedure */
496  SCCtrlMutexLock(tv_local->ctrl_mutex);
497  SCCtrlCondTimedwait(tv_local->ctrl_cond, tv_local->ctrl_mutex, &cond_time);
498  SCCtrlMutexUnlock(tv_local->ctrl_mutex);
499 
502  while (tv != NULL) {
503  if (tv->perf_public_ctx.head == NULL) {
504  tv = tv->next;
505  continue;
506  }
507 
508  SC_ATOMIC_SET(tv->perf_public_ctx.sync_now, true);
509 
510  if (tv->inq != NULL) {
511  PacketQueue *q = tv->inq->pq;
512  SCMutexLock(&q->mutex_q);
513  SCCondSignal(&q->cond_q);
514  SCMutexUnlock(&q->mutex_q);
515  }
516 
517  tv = tv->next;
518  }
519 
520  /* mgt threads for flow manager */
521  tv = tv_root[TVT_MGMT];
522  while (tv != NULL) {
523  if (tv->perf_public_ctx.head == NULL) {
524  tv = tv->next;
525  continue;
526  }
527 
528  SC_ATOMIC_SET(tv->perf_public_ctx.sync_now, true);
529 
530  tv = tv->next;
531  }
533 
534  if (TmThreadsCheckFlag(tv_local, THV_KILL)) {
535  break;
536  }
537  }
538 
540  TmThreadWaitForFlag(tv_local, THV_DEINIT);
541  TmThreadsSetFlag(tv_local, THV_CLOSED);
542  return NULL;
543 }
544 
545 /**
546  * \brief Releases a counter
547  *
548  * \param pc Pointer to the StatsCounter to be freed
549  */
550 static void StatsReleaseCounter(StatsCounter *pc)
551 {
552  if (pc != NULL) {
553  SCFree(pc);
554  }
555 }
556 
557 /**
558  * \brief Registers a counter.
559  *
560  * \param name Name of the counter, to be registered
561  * \param tm_name Thread module to which this counter belongs
562  * \param pctx StatsPublicThreadContext for this tm-tv instance
563  * \param type_q Qualifier describing the type of counter to be registered
564  *
565  * \retval the counter id for the newly registered counter, or the already
566  * present counter on success
567  * \retval 0 on failure
568  */
569 static uint16_t StatsRegisterQualifiedCounter(const char *name, const char *tm_name,
571  int type_q, uint64_t (*Func)(void))
572 {
573  StatsCounter **head = &pctx->head;
574  StatsCounter *temp = NULL;
575  StatsCounter *prev = NULL;
576  StatsCounter *pc = NULL;
577 
578  if (name == NULL || pctx == NULL) {
579  SCLogDebug("Counter name, StatsPublicThreadContext NULL");
580  return 0;
581  }
582 
583  temp = prev = *head;
584  while (temp != NULL) {
585  prev = temp;
586 
587  if (strcmp(name, temp->name) == 0) {
588  break;
589  }
590 
591  temp = temp->next;
592  }
593 
594  /* We already have a counter registered by this name */
595  if (temp != NULL)
596  return(temp->id);
597 
598  /* if we reach this point we don't have a counter registered by this name */
599  if ((pc = SCCalloc(1, sizeof(StatsCounter))) == NULL)
600  return 0;
601 
602  /* assign a unique id to this StatsCounter. The id is local to this
603  * thread context. Please note that the id start from 1, and not 0 */
604  pc->id = ++(pctx->curr_id);
605  pc->name = name;
606 
607  /* Precalculate the short name */
608  if (strrchr(name, '.') != NULL) {
609  pc->short_name = &name[strrchr(name, '.') - name + 1];
610  }
611 
612  pc->type = type_q;
613  pc->Func = Func;
614 
615  /* we now add the counter to the list */
616  if (prev == NULL)
617  *head = pc;
618  else
619  prev->next = pc;
620 
621  return pc->id;
622 }
623 
624 /**
625  * \brief Copies the StatsCounter value from the local counter present in the
626  * StatsPrivateThreadContext to its corresponding global counterpart. Used
627  * internally by StatsUpdateCounterArray()
628  *
629  * \param pcae Pointer to the StatsPrivateThreadContext which holds the local
630  * versions of the counters
631  */
632 static void StatsCopyCounterValue(StatsLocalCounter *pcae)
633 {
634  StatsCounter *pc = pcae->pc;
635 
636  pc->value = pcae->value;
637  pc->updates = pcae->updates;
638 }
639 
640 /**
641  * \brief The output interface for the Stats API
642  */
643 static int StatsOutput(ThreadVars *tv)
644 {
645  const StatsThreadStore *sts = NULL;
646  const StatsCounter *pc = NULL;
647  void *td = stats_thread_data;
648 
649  if (counters_global_id == 0)
650  return -1;
651 
652  if (stats_table.nstats == 0) {
653  StatsThreadRegister("Global", &stats_ctx->global_counter_ctx);
654 
655  uint32_t nstats = counters_global_id;
656 
657  stats_table.nstats = nstats;
658  stats_table.stats = SCCalloc(stats_table.nstats, sizeof(StatsRecord));
659  if (stats_table.stats == NULL) {
660  stats_table.nstats = 0;
661  SCLogError("could not alloc memory for stats");
662  return -1;
663  }
664 
665  stats_table.ntstats = stats_ctx->sts_cnt;
666  uint32_t array_size = stats_table.nstats * sizeof(StatsRecord);
667  stats_table.tstats = SCCalloc(stats_table.ntstats, array_size);
668  if (stats_table.tstats == NULL) {
669  stats_table.ntstats = 0;
670  SCLogError("could not alloc memory for stats");
671  return -1;
672  }
673 
674  stats_table.start_time = stats_start_time;
675  }
676 
677  const uint16_t max_id = counters_global_id;
678  if (max_id == 0)
679  return -1;
680 
681  /** temporary local table to merge the per thread counters,
682  * especially needed for the average counters */
683  struct CountersMergeTable {
684  int type;
685  int64_t value;
686  uint64_t updates;
687  } merge_table[max_id];
688  memset(&merge_table, 0x00,
689  max_id * sizeof(struct CountersMergeTable));
690 
691  int thread = stats_ctx->sts_cnt - 1;
692  StatsRecord *table = stats_table.stats;
693 
694  /* Loop through the thread counter stores. The global counters
695  * are in a separate store inside this list. */
696  sts = stats_ctx->sts;
697  SCLogDebug("sts %p", sts);
698  while (sts != NULL) {
699  BUG_ON(thread < 0);
700 
701  SCLogDebug("Thread %d %s ctx %p", thread, sts->name, sts->ctx);
702 
703  /* temporary table for quickly storing the counters for this
704  * thread store, so that we can post process them outside
705  * of the thread store lock */
706  struct CountersMergeTable thread_table[max_id];
707  memset(&thread_table, 0x00,
708  max_id * sizeof(struct CountersMergeTable));
709 
710  SCMutexLock(&sts->ctx->m);
711  pc = sts->ctx->head;
712  while (pc != NULL) {
713  SCLogDebug("Counter %s (%u:%u) value %"PRIu64,
714  pc->name, pc->id, pc->gid, pc->value);
715 
716  thread_table[pc->gid].type = pc->type;
717  switch (pc->type) {
718  case STATS_TYPE_FUNC:
719  if (pc->Func != NULL)
720  thread_table[pc->gid].value = pc->Func();
721  break;
722  case STATS_TYPE_AVERAGE:
723  default:
724  thread_table[pc->gid].value = pc->value;
725  break;
726  }
727  thread_table[pc->gid].updates = pc->updates;
728  table[pc->gid].name = pc->name;
729  table[pc->gid].short_name = pc->short_name;
730 
731  pc = pc->next;
732  }
733  SCMutexUnlock(&sts->ctx->m);
734 
735  /* update merge table */
736  for (uint16_t c = 0; c < max_id; c++) {
737  struct CountersMergeTable *e = &thread_table[c];
738  /* thread only sets type if it has a counter
739  * of this type. */
740  if (e->type == 0)
741  continue;
742 
743  switch (e->type) {
744  case STATS_TYPE_MAXIMUM:
745  if (e->value > merge_table[c].value)
746  merge_table[c].value = e->value;
747  break;
748  case STATS_TYPE_FUNC:
749  merge_table[c].value = e->value;
750  break;
751  case STATS_TYPE_AVERAGE:
752  default:
753  merge_table[c].value += e->value;
754  break;
755  }
756  merge_table[c].updates += e->updates;
757  merge_table[c].type = e->type;
758  }
759 
760  /* update per thread stats table */
761  for (uint16_t c = 0; c < max_id; c++) {
762  struct CountersMergeTable *e = &thread_table[c];
763  /* thread only sets type if it has a counter
764  * of this type. */
765  if (e->type == 0)
766  continue;
767 
768  uint32_t offset = (thread * stats_table.nstats) + c;
769  StatsRecord *r = &stats_table.tstats[offset];
770  /* xfer previous value to pvalue and reset value */
771  r->pvalue = r->value;
772  r->value = 0;
773  r->name = table[c].name;
774  r->short_name = table[c].short_name;
775  r->tm_name = sts->name;
776 
777  switch (e->type) {
778  case STATS_TYPE_AVERAGE:
779  if (e->value > 0 && e->updates > 0) {
780  r->value = (uint64_t)(e->value / e->updates);
781  }
782  break;
783  default:
784  r->value = e->value;
785  break;
786  }
787  }
788 
789  sts = sts->next;
790  thread--;
791  }
792 
793  /* transfer 'merge table' to final stats table */
794  for (uint16_t x = 0; x < max_id; x++) {
795  /* xfer previous value to pvalue and reset value */
796  table[x].pvalue = table[x].value;
797  table[x].value = 0;
798  table[x].tm_name = "Total";
799 
800  struct CountersMergeTable *m = &merge_table[x];
801  switch (m->type) {
802  case STATS_TYPE_MAXIMUM:
803  if (m->value > table[x].value)
804  table[x].value = m->value;
805  break;
806  case STATS_TYPE_AVERAGE:
807  if (m->value > 0 && m->updates > 0) {
808  table[x].value = (uint64_t)(m->value / m->updates);
809  }
810  break;
811  default:
812  table[x].value += m->value;
813  break;
814  }
815  }
816 
817  /* invoke logger(s) */
818  if (stats_loggers_active) {
819  OutputStatsLog(tv, td, &stats_table);
820  }
821  return 1;
822 }
823 
824 #ifdef BUILD_UNIX_SOCKET
825 /** \brief callback for getting stats into unix socket
826  */
827 TmEcode StatsOutputCounterSocket(json_t *cmd,
828  json_t *answer, void *data)
829 {
830  json_t *message = NULL;
831  TmEcode r = TM_ECODE_OK;
832 
833  if (!stats_enabled) {
834  r = TM_ECODE_FAILED;
835  message = json_string("stats are disabled in the config");
836  } else {
837  SCMutexLock(&stats_table_mutex);
838  if (stats_table.start_time == 0) {
839  r = TM_ECODE_FAILED;
840  message = json_string("stats not yet synchronized");
841  } else {
842  message = StatsToJSON(&stats_table, JSON_STATS_TOTALS|JSON_STATS_THREADS);
843  }
844  SCMutexUnlock(&stats_table_mutex);
845  }
846  json_object_set_new(answer, "message", message);
847  return r;
848 }
849 #endif /* BUILD_UNIX_SOCKET */
850 
851 static void StatsLogSummary(void)
852 {
853  if (!stats_enabled) {
854  return;
855  }
856  uint64_t alerts = 0;
857  SCMutexLock(&stats_table_mutex);
858  if (stats_table.start_time != 0) {
859  const StatsTable *st = &stats_table;
860  for (uint32_t u = 0; u < st->nstats; u++) {
861  const char *name = st->stats[u].name;
862  if (name == NULL || strcmp(name, "detect.alert") != 0)
863  continue;
864  alerts = st->stats[u].value;
865  break;
866  }
867  }
868  SCMutexUnlock(&stats_table_mutex);
869  SCLogInfo("Alerts: %"PRIu64, alerts);
870 }
871 
872 /**
873  * \brief Initializes the perf counter api. Things are hard coded currently.
874  * More work to be done when we implement multiple interfaces
875  */
876 void StatsInit(void)
877 {
878  BUG_ON(stats_ctx != NULL);
879  if ((stats_ctx = SCCalloc(1, sizeof(StatsGlobalContext))) == NULL) {
880  FatalError("Fatal error encountered in StatsInitCtx. Exiting...");
881  }
882 
883  StatsPublicThreadContextInit(&stats_ctx->global_counter_ctx);
884 }
885 
887 {
888  StatsInitCtxPreOutput();
889 }
890 
892 {
893  StatsInitCtxPostOutput();
894 }
895 
896 
897 /**
898  * \brief Spawns the wakeup, and the management thread used by the stats api
899  *
900  * The threads use the condition variable in the thread vars to control
901  * their wait loops to make sure the main thread can quickly kill them.
902  */
904 {
905  SCEnter();
906 
907  if (!stats_enabled) {
908  SCReturn;
909  }
910 
911  ThreadVars *tv_wakeup = NULL;
912  ThreadVars *tv_mgmt = NULL;
913 
914  /* spawn the stats wakeup thread */
916  StatsWakeupThread, 1);
917  if (tv_wakeup == NULL) {
918  FatalError("TmThreadCreateMgmtThread "
919  "failed");
920  }
921 
922  if (TmThreadSpawn(tv_wakeup) != 0) {
923  FatalError("TmThreadSpawn failed for "
924  "StatsWakeupThread");
925  }
926 
927  /* spawn the stats mgmt thread */
929  StatsMgmtThread, 1);
930  if (tv_mgmt == NULL) {
931  FatalError("TmThreadCreateMgmtThread failed");
932  }
933 
934  if (TmThreadSpawn(tv_mgmt) != 0) {
935  FatalError("TmThreadSpawn failed for "
936  "StatsWakeupThread");
937  }
938 
939  SCReturn;
940 }
941 
942 /**
943  * \brief Registers a normal, unqualified counter
944  *
945  * \param name Name of the counter, to be registered
946  * \param tv Pointer to the ThreadVars instance for which the counter would
947  * be registered
948  *
949  * \retval id Counter id for the newly registered counter, or the already
950  * present counter
951  */
952 uint16_t StatsRegisterCounter(const char *name, struct ThreadVars_ *tv)
953 {
954  uint16_t id = StatsRegisterQualifiedCounter(name,
957  STATS_TYPE_NORMAL, NULL);
958  return id;
959 }
960 
961 /**
962  * \brief Registers a counter, whose value holds the average of all the values
963  * assigned to it.
964  *
965  * \param name Name of the counter, to be registered
966  * \param tv Pointer to the ThreadVars instance for which the counter would
967  * be registered
968  *
969  * \retval id Counter id for the newly registered counter, or the already
970  * present counter
971  */
972 uint16_t StatsRegisterAvgCounter(const char *name, struct ThreadVars_ *tv)
973 {
974  uint16_t id = StatsRegisterQualifiedCounter(name,
977  STATS_TYPE_AVERAGE, NULL);
978  return id;
979 }
980 
981 /**
982  * \brief Registers a counter, whose value holds the maximum of all the values
983  * assigned to it.
984  *
985  * \param name Name of the counter, to be registered
986  * \param tv Pointer to the ThreadVars instance for which the counter would
987  * be registered
988  *
989  * \retval the counter id for the newly registered counter, or the already
990  * present counter
991  */
992 uint16_t StatsRegisterMaxCounter(const char *name, struct ThreadVars_ *tv)
993 {
994  uint16_t id = StatsRegisterQualifiedCounter(name,
997  STATS_TYPE_MAXIMUM, NULL);
998  return id;
999 }
1000 
1001 /**
1002  * \brief Registers a counter, which represents a global value
1003  *
1004  * \param name Name of the counter, to be registered
1005  * \param Func Function Pointer returning a uint64_t
1006  *
1007  * \retval id Counter id for the newly registered counter, or the already
1008  * present counter
1009  */
1010 uint16_t StatsRegisterGlobalCounter(const char *name, uint64_t (*Func)(void))
1011 {
1012 #if defined (UNITTESTS) || defined (FUZZ)
1013  if (stats_ctx == NULL)
1014  return 0;
1015 #else
1016  BUG_ON(stats_ctx == NULL);
1017 #endif
1018  uint16_t id = StatsRegisterQualifiedCounter(name, NULL,
1019  &(stats_ctx->global_counter_ctx),
1021  Func);
1022  return id;
1023 }
1024 
1025 typedef struct CountersIdType_ {
1026  uint16_t id;
1027  const char *string;
1029 
1030 static uint32_t CountersIdHashFunc(HashTable *ht, void *data, uint16_t datalen)
1031 {
1032  CountersIdType *t = (CountersIdType *)data;
1033  uint32_t hash = 0;
1034  size_t len = strlen(t->string);
1035 
1036  for (size_t i = 0; i < len; i++)
1037  hash += u8_tolower((unsigned char)t->string[i]);
1038 
1039  hash = hash % ht->array_size;
1040  return hash;
1041 }
1042 
1043 static char CountersIdHashCompareFunc(void *data1, uint16_t datalen1,
1044  void *data2, uint16_t datalen2)
1045 {
1046  CountersIdType *t1 = (CountersIdType *)data1;
1047  CountersIdType *t2 = (CountersIdType *)data2;
1048  size_t len1 = 0;
1049  size_t len2 = 0;
1050 
1051  if (t1 == NULL || t2 == NULL)
1052  return 0;
1053 
1054  if (t1->string == NULL || t2->string == NULL)
1055  return 0;
1056 
1057  len1 = strlen(t1->string);
1058  len2 = strlen(t2->string);
1059 
1060  if (len1 == len2 && memcmp(t1->string, t2->string, len1) == 0) {
1061  return 1;
1062  }
1063 
1064  return 0;
1065 }
1066 
1067 static void CountersIdHashFreeFunc(void *data)
1068 {
1069  SCFree(data);
1070 }
1071 
1072 
1073 /** \internal
1074  * \brief Adds a TM to the clubbed TM table. Multiple instances of the same TM
1075  * are stacked together in a PCTMI container.
1076  *
1077  * \param tm_name Name of the tm to be added to the table
1078  * \param pctx StatsPublicThreadContext associated with the TM tm_name
1079  *
1080  * \retval 1 on success, 0 on failure
1081  */
1082 static int StatsThreadRegister(const char *thread_name, StatsPublicThreadContext *pctx)
1083 {
1084  if (stats_ctx == NULL) {
1085  SCLogDebug("Counter module has been disabled");
1086  return 0;
1087  }
1088 
1089  if (thread_name == NULL || pctx == NULL) {
1090  SCLogDebug("supplied argument(s) to StatsThreadRegister NULL");
1091  return 0;
1092  }
1093 
1094  SCMutexLock(&stats_ctx->sts_lock);
1095  if (stats_ctx->counters_id_hash == NULL) {
1096  stats_ctx->counters_id_hash = HashTableInit(256, CountersIdHashFunc,
1097  CountersIdHashCompareFunc,
1098  CountersIdHashFreeFunc);
1099  BUG_ON(stats_ctx->counters_id_hash == NULL);
1100  }
1101  StatsCounter *pc = pctx->head;
1102  while (pc != NULL) {
1103  CountersIdType t = { 0, pc->name }, *id = NULL;
1104  id = HashTableLookup(stats_ctx->counters_id_hash, &t, sizeof(t));
1105  if (id == NULL) {
1106  id = SCCalloc(1, sizeof(*id));
1107  BUG_ON(id == NULL);
1108  id->id = counters_global_id++;
1109  id->string = pc->name;
1110  BUG_ON(HashTableAdd(stats_ctx->counters_id_hash, id, sizeof(*id)) < 0);
1111  }
1112  pc->gid = id->id;
1113  pc = pc->next;
1114  }
1115 
1116 
1117  StatsThreadStore *temp = NULL;
1118  if ((temp = SCCalloc(1, sizeof(StatsThreadStore))) == NULL) {
1119  SCMutexUnlock(&stats_ctx->sts_lock);
1120  return 0;
1121  }
1122 
1123  temp->ctx = pctx;
1124  temp->name = thread_name;
1125 
1126  temp->next = stats_ctx->sts;
1127  stats_ctx->sts = temp;
1128  stats_ctx->sts_cnt++;
1129  SCLogDebug("stats_ctx->sts %p", stats_ctx->sts);
1130 
1131  SCMutexUnlock(&stats_ctx->sts_lock);
1132  return 1;
1133 }
1134 
1135 /** \internal
1136  * \brief Returns a counter array for counters in this id range(s_id - e_id)
1137  *
1138  * \param s_id Counter id of the first counter to be added to the array
1139  * \param e_id Counter id of the last counter to be added to the array
1140  * \param pctx Pointer to the tv's StatsPublicThreadContext
1141  *
1142  * \retval a counter-array in this(s_id-e_id) range for this TM instance
1143  */
1144 static int StatsGetCounterArrayRange(uint16_t s_id, uint16_t e_id,
1147 {
1148  StatsCounter *pc = NULL;
1149  uint32_t i = 0;
1150 
1151  if (pctx == NULL || pca == NULL) {
1152  SCLogDebug("pctx/pca is NULL");
1153  return -1;
1154  }
1155 
1156  if (s_id < 1 || e_id < 1 || s_id > e_id) {
1157  SCLogDebug("error with the counter ids");
1158  return -1;
1159  }
1160 
1161  if (e_id > pctx->curr_id) {
1162  SCLogDebug("end id is greater than the max id for this tv");
1163  return -1;
1164  }
1165 
1166  if ((pca->head = SCCalloc(1, sizeof(StatsLocalCounter) * (e_id - s_id + 2))) == NULL) {
1167  return -1;
1168  }
1169 
1170  pc = pctx->head;
1171  while (pc->id != s_id)
1172  pc = pc->next;
1173 
1174  i = 1;
1175  while ((pc != NULL) && (pc->id <= e_id)) {
1176  pca->head[i].pc = pc;
1177  pca->head[i].id = pc->id;
1178  pc = pc->next;
1179  i++;
1180  }
1181  pca->size = i - 1;
1182 
1183  pca->initialized = 1;
1184  return 0;
1185 }
1186 
1187 /** \internal
1188  * \brief Returns a counter array for all counters registered for this tm
1189  * instance
1190  *
1191  * \param pctx Pointer to the tv's StatsPublicThreadContext
1192  *
1193  * \retval pca Pointer to a counter-array for all counter of this tm instance
1194  * on success; NULL on failure
1195  */
1196 static int StatsGetAllCountersArray(StatsPublicThreadContext *pctx, StatsPrivateThreadContext *private)
1197 {
1198  if (pctx == NULL || private == NULL)
1199  return -1;
1200 
1201  return StatsGetCounterArrayRange(1, pctx->curr_id, pctx, private);
1202 }
1203 
1204 
1206 {
1207  StatsGetAllCountersArray(&(tv)->perf_public_ctx, &(tv)->perf_private_ctx);
1208 
1209  StatsThreadRegister(tv->printable_name ? tv->printable_name : tv->name,
1210  &(tv)->perf_public_ctx);
1211  return 0;
1212 }
1213 
1214 /**
1215  * \brief the private stats store with the public stats store
1216  *
1217  * \param pca Pointer to the StatsPrivateThreadContext
1218  * \param pctx Pointer the tv's StatsPublicThreadContext
1219  *
1220  * \retval 1 on success
1221  * \retval -1 on error
1222  */
1224 {
1225 
1226  if (pca == NULL || pctx == NULL) {
1227  SCLogDebug("pca or pctx is NULL inside StatsUpdateCounterArray");
1228  return -1;
1229  }
1230 
1231  SCMutexLock(&pctx->m);
1232  StatsLocalCounter *pcae = pca->head;
1233  for (uint32_t i = 1; i <= pca->size; i++) {
1234  StatsCopyCounterValue(&pcae[i]);
1235  }
1236  SCMutexUnlock(&pctx->m);
1237 
1238  SC_ATOMIC_SET(pctx->sync_now, false);
1239  return 1;
1240 }
1241 
1242 /**
1243  * \brief Get the value of the local copy of the counter that hold this id.
1244  *
1245  * \param tv threadvars
1246  * \param id The counter id.
1247  *
1248  * \retval 0 on success.
1249  * \retval -1 on error.
1250  */
1251 uint64_t StatsGetLocalCounterValue(ThreadVars *tv, uint16_t id)
1252 {
1254 #ifdef DEBUG
1255  BUG_ON ((id < 1) || (id > pca->size));
1256 #endif
1257  return pca->head[id].value;
1258 }
1259 
1260 /**
1261  * \brief Releases the resources allotted by the Stats API
1262  */
1264 {
1265  StatsLogSummary();
1266  StatsReleaseCtx();
1267 }
1268 
1269 /**
1270  * \brief Releases counters
1271  *
1272  * \param head Pointer to the head of the list of perf counters that have to
1273  * be freed
1274  */
1276 {
1277  StatsCounter *pc = NULL;
1278 
1279  while (head != NULL) {
1280  pc = head;
1281  head = head->next;
1282  StatsReleaseCounter(pc);
1283  }
1284 }
1285 
1286 /** \internal
1287  * \brief Releases the StatsPrivateThreadContext allocated by the user,
1288  * for storing and updating local counter values
1289  *
1290  * \param pca Pointer to the StatsPrivateThreadContext
1291  */
1292 static void StatsReleasePrivateThreadContext(StatsPrivateThreadContext *pca)
1293 {
1294  if (pca != NULL) {
1295  if (pca->head != NULL) {
1296  SCFree(pca->head);
1297  pca->head = NULL;
1298  pca->size = 0;
1299  }
1300  pca->initialized = 0;
1301  }
1302 }
1303 
1305 {
1306  StatsPublicThreadContextCleanup(&tv->perf_public_ctx);
1307  StatsReleasePrivateThreadContext(&tv->perf_private_ctx);
1308 }
1309 
1310 /*----------------------------------Unit_Tests--------------------------------*/
1311 
1312 #ifdef UNITTESTS
1313 /** \internal
1314  * \brief Registers a normal, unqualified counter
1315  *
1316  * \param name Name of the counter, to be registered
1317  * \param tm_name Name of the engine module under which the counter has to be
1318  * registered
1319  * \param type Datatype of this counter variable
1320  * \param pctx StatsPublicThreadContext corresponding to the tm_name key under which the
1321  * key has to be registered
1322  *
1323  * \retval id Counter id for the newly registered counter, or the already
1324  * present counter
1325  */
1326 static uint16_t RegisterCounter(const char *name, const char *tm_name,
1328 {
1329  uint16_t id = StatsRegisterQualifiedCounter(name, tm_name, pctx,
1330  STATS_TYPE_NORMAL, NULL);
1331  return id;
1332 }
1333 
1334 static int StatsTestCounterReg02(void)
1335 {
1337 
1338  memset(&pctx, 0, sizeof(StatsPublicThreadContext));
1339 
1340  return RegisterCounter(NULL, NULL, &pctx) == 0;
1341 }
1342 
1343 static int StatsTestCounterReg03(void)
1344 {
1346  int result;
1347 
1348  memset(&pctx, 0, sizeof(StatsPublicThreadContext));
1349 
1350  result = RegisterCounter("t1", "c1", &pctx);
1351 
1352  FAIL_IF_NOT(result);
1353 
1354  StatsReleaseCounters(pctx.head);
1355 
1356  PASS;
1357 }
1358 
1359 static int StatsTestCounterReg04(void)
1360 {
1362  int result;
1363 
1364  memset(&pctx, 0, sizeof(StatsPublicThreadContext));
1365 
1366  RegisterCounter("t1", "c1", &pctx);
1367  RegisterCounter("t2", "c2", &pctx);
1368  RegisterCounter("t3", "c3", &pctx);
1369 
1370  result = RegisterCounter("t1", "c1", &pctx);
1371 
1372  FAIL_IF_NOT(result);
1373 
1374  StatsReleaseCounters(pctx.head);
1375 
1376  PASS;
1377 }
1378 
1379 static int StatsTestGetCntArray05(void)
1380 {
1381  ThreadVars tv;
1382  int id;
1383 
1384  memset(&tv, 0, sizeof(ThreadVars));
1385 
1386  id = RegisterCounter("t1", "c1", &tv.perf_public_ctx);
1387  FAIL_IF(id != 1);
1388 
1389  int r = StatsGetAllCountersArray(NULL, &tv.perf_private_ctx);
1390  FAIL_IF_NOT(r == -1);
1391  PASS;
1392 }
1393 
1394 static int StatsTestGetCntArray06(void)
1395 {
1396  ThreadVars tv;
1397  int id;
1398 
1399  memset(&tv, 0, sizeof(ThreadVars));
1400 
1401  id = RegisterCounter("t1", "c1", &tv.perf_public_ctx);
1402  FAIL_IF(id != 1);
1403 
1404  int r = StatsGetAllCountersArray(&tv.perf_public_ctx, &tv.perf_private_ctx);
1405  FAIL_IF_NOT(r == 0);
1406 
1408  StatsReleasePrivateThreadContext(&tv.perf_private_ctx);
1409 
1410  PASS;
1411 }
1412 
1413 static int StatsTestCntArraySize07(void)
1414 {
1415  ThreadVars tv;
1416  StatsPrivateThreadContext *pca = NULL;
1417 
1418  memset(&tv, 0, sizeof(ThreadVars));
1419 
1420  //pca = (StatsPrivateThreadContext *)&tv.perf_private_ctx;
1421 
1422  RegisterCounter("t1", "c1", &tv.perf_public_ctx);
1423  RegisterCounter("t2", "c2", &tv.perf_public_ctx);
1424 
1425  StatsGetAllCountersArray(&tv.perf_public_ctx, &tv.perf_private_ctx);
1426  pca = &tv.perf_private_ctx;
1427 
1428  StatsIncr(&tv, 1);
1429  StatsIncr(&tv, 2);
1430 
1431  FAIL_IF_NOT(pca->size == 2);
1432 
1434  StatsReleasePrivateThreadContext(pca);
1435 
1436  PASS;
1437 }
1438 
1439 static int StatsTestUpdateCounter08(void)
1440 {
1441  ThreadVars tv;
1442  StatsPrivateThreadContext *pca = NULL;
1443  int id;
1444 
1445  memset(&tv, 0, sizeof(ThreadVars));
1446 
1447  id = RegisterCounter("t1", "c1", &tv.perf_public_ctx);
1448 
1449  StatsGetAllCountersArray(&tv.perf_public_ctx, &tv.perf_private_ctx);
1450  pca = &tv.perf_private_ctx;
1451 
1452  StatsIncr(&tv, id);
1453  StatsAddUI64(&tv, id, 100);
1454 
1455  FAIL_IF_NOT(pca->head[id].value == 101);
1456 
1458  StatsReleasePrivateThreadContext(pca);
1459 
1460  PASS;
1461 }
1462 
1463 static int StatsTestUpdateCounter09(void)
1464 {
1465  ThreadVars tv;
1466  StatsPrivateThreadContext *pca = NULL;
1467  uint16_t id1, id2;
1468 
1469  memset(&tv, 0, sizeof(ThreadVars));
1470 
1471  id1 = RegisterCounter("t1", "c1", &tv.perf_public_ctx);
1472  RegisterCounter("t2", "c2", &tv.perf_public_ctx);
1473  RegisterCounter("t3", "c3", &tv.perf_public_ctx);
1474  RegisterCounter("t4", "c4", &tv.perf_public_ctx);
1475  id2 = RegisterCounter("t5", "c5", &tv.perf_public_ctx);
1476 
1477  StatsGetAllCountersArray(&tv.perf_public_ctx, &tv.perf_private_ctx);
1478  pca = &tv.perf_private_ctx;
1479 
1480  StatsIncr(&tv, id2);
1481  StatsAddUI64(&tv, id2, 100);
1482 
1483  FAIL_IF_NOT((pca->head[id1].value == 0) && (pca->head[id2].value == 101));
1484 
1486  StatsReleasePrivateThreadContext(pca);
1487 
1488  PASS;
1489 }
1490 
1491 static int StatsTestUpdateGlobalCounter10(void)
1492 {
1493  ThreadVars tv;
1494  StatsPrivateThreadContext *pca = NULL;
1495 
1496  int result = 1;
1497  uint16_t id1, id2, id3;
1498 
1499  memset(&tv, 0, sizeof(ThreadVars));
1500 
1501  id1 = RegisterCounter("t1", "c1", &tv.perf_public_ctx);
1502  id2 = RegisterCounter("t2", "c2", &tv.perf_public_ctx);
1503  id3 = RegisterCounter("t3", "c3", &tv.perf_public_ctx);
1504 
1505  StatsGetAllCountersArray(&tv.perf_public_ctx, &tv.perf_private_ctx);
1506  pca = &tv.perf_private_ctx;
1507 
1508  StatsIncr(&tv, id1);
1509  StatsAddUI64(&tv, id2, 100);
1510  StatsIncr(&tv, id3);
1511  StatsAddUI64(&tv, id3, 100);
1512 
1514 
1515  result = (1 == tv.perf_public_ctx.head->value);
1516  result &= (100 == tv.perf_public_ctx.head->next->value);
1517  result &= (101 == tv.perf_public_ctx.head->next->next->value);
1518  FAIL_IF_NOT(result);
1519 
1521  StatsReleasePrivateThreadContext(pca);
1522 
1523  PASS;
1524 }
1525 
1526 static int StatsTestCounterValues11(void)
1527 {
1528  ThreadVars tv;
1529  StatsPrivateThreadContext *pca = NULL;
1530 
1531  int result = 1;
1532  uint16_t id1, id2, id3, id4;
1533 
1534  memset(&tv, 0, sizeof(ThreadVars));
1535 
1536  id1 = RegisterCounter("t1", "c1", &tv.perf_public_ctx);
1537  id2 = RegisterCounter("t2", "c2", &tv.perf_public_ctx);
1538  id3 = RegisterCounter("t3", "c3", &tv.perf_public_ctx);
1539  id4 = RegisterCounter("t4", "c4", &tv.perf_public_ctx);
1540 
1541  StatsGetAllCountersArray(&tv.perf_public_ctx, &tv.perf_private_ctx);
1542  pca = &tv.perf_private_ctx;
1543 
1544  StatsIncr(&tv, id1);
1545  StatsAddUI64(&tv, id2, 256);
1546  StatsAddUI64(&tv, id3, 257);
1547  StatsAddUI64(&tv, id4, 16843024);
1548 
1550 
1551  result &= (1 == tv.perf_public_ctx.head->value);
1552  result &= (256 == tv.perf_public_ctx.head->next->value);
1553  result &= (257 == tv.perf_public_ctx.head->next->next->value);
1554  result &= (16843024 == tv.perf_public_ctx.head->next->next->next->value);
1555  FAIL_IF_NOT(result);
1556 
1558  StatsReleasePrivateThreadContext(pca);
1559 
1560  PASS;
1561 }
1562 
1563 #endif
1564 
1566 {
1567 #ifdef UNITTESTS
1568  UtRegisterTest("StatsTestCounterReg02", StatsTestCounterReg02);
1569  UtRegisterTest("StatsTestCounterReg03", StatsTestCounterReg03);
1570  UtRegisterTest("StatsTestCounterReg04", StatsTestCounterReg04);
1571  UtRegisterTest("StatsTestGetCntArray05", StatsTestGetCntArray05);
1572  UtRegisterTest("StatsTestGetCntArray06", StatsTestGetCntArray06);
1573  UtRegisterTest("StatsTestCntArraySize07", StatsTestCntArraySize07);
1574  UtRegisterTest("StatsTestUpdateCounter08", StatsTestUpdateCounter08);
1575  UtRegisterTest("StatsTestUpdateCounter09", StatsTestUpdateCounter09);
1576  UtRegisterTest("StatsTestUpdateGlobalCounter10",
1577  StatsTestUpdateGlobalCounter10);
1578  UtRegisterTest("StatsTestCounterValues11", StatsTestCounterValues11);
1579 #endif
1580 }
util-byte.h
tm-threads.h
FROM_TIMEVAL
#define FROM_TIMEVAL(timev)
initialize a 'struct timespec' from a 'struct timeval'.
Definition: util-time.h:124
StatsReleaseResources
void StatsReleaseResources(void)
Releases the resources allotted by the Stats API.
Definition: counters.c:1263
thread_name_counter_wakeup
const char * thread_name_counter_wakeup
Definition: runmodes.c:76
StatsTable_::ntstats
uint32_t ntstats
Definition: output-stats.h:43
len
uint8_t len
Definition: app-layer-dnp3.h:2
TmThreadSpawn
TmEcode TmThreadSpawn(ThreadVars *tv)
Spawns a thread associated with the ThreadVars instance tv.
Definition: tm-threads.c:1696
TmThreadSetupOptions
TmEcode TmThreadSetupOptions(ThreadVars *tv)
Set the thread options (cpu affinitythread). Priority should be already set by pthread_create.
Definition: tm-threads.c:884
StatsThreadStore_::size
uint32_t size
Definition: counters.c:73
StatsIncr
void StatsIncr(ThreadVars *tv, uint16_t id)
Increments the local counter.
Definition: counters.c:166
offset
uint64_t offset
Definition: util-streaming-buffer.h:0
ThreadVars_::name
char name[16]
Definition: threadvars.h:65
StatsThreadStore_
per thread store of counters
Definition: counters.c:66
StatsThreadStore_::head
StatsPublicThreadContext ** head
Definition: counters.c:72
StatsGlobalContext_
Holds the output interface context for the counter api.
Definition: counters.c:81
SC_ATOMIC_SET
#define SC_ATOMIC_SET(name, val)
Set the value for the atomic variable.
Definition: util-atomic.h:386
UtRegisterTest
void UtRegisterTest(const char *name, int(*TestFn)(void))
Register unit test.
Definition: util-unittest.c:103
StatsRecord
struct StatsRecord_ StatsRecord
SCLogDebug
#define SCLogDebug(...)
Definition: util-debug.h:269
TmThreadsSetFlag
void TmThreadsSetFlag(ThreadVars *tv, uint32_t flag)
Set a thread flag.
Definition: tm-threads.c:101
TVT_PPT
@ TVT_PPT
Definition: tm-threads-common.h:88
StatsSetupPostConfigPreOutput
void StatsSetupPostConfigPreOutput(void)
Definition: counters.c:886
TmThreadWaitForFlag
void TmThreadWaitForFlag(ThreadVars *tv, uint32_t flags)
Waits till the specified flag(s) is(are) set. We don't bother if the kill flag has been set or not on...
Definition: tm-threads.c:1814
StatsRegisterGlobalCounter
uint16_t StatsRegisterGlobalCounter(const char *name, uint64_t(*Func)(void))
Registers a counter, which represents a global value.
Definition: counters.c:1010
STATS_MGMTT_TTS
#define STATS_MGMTT_TTS
Definition: counters.c:48
next
struct HtpBodyChunk_ * next
Definition: app-layer-htp.h:0
StatsCounter_::type
int type
Definition: counters.h:37
stats_stream_events
bool stats_stream_events
Definition: counters.c:104
PacketQueue_
simple fifo queue for packets with mutex and cond Calling the mutex or triggering the cond is respons...
Definition: packet-queue.h:49
TMM_STATSLOGGER
@ TMM_STATSLOGGER
Definition: tm-threads-common.h:61
THV_DEINIT
#define THV_DEINIT
Definition: threadvars.h:45
CountersIdType
struct CountersIdType_ CountersIdType
StatsCounter_
Container to hold the counter variable.
Definition: counters.h:36
thread_name_counter_stats
const char * thread_name_counter_stats
Definition: runmodes.c:75
Tmq_::pq
PacketQueue * pq
Definition: tm-queues.h:35
SCSetThreadName
#define SCSetThreadName(n)
Definition: threads.h:303
util-hash.h
StatsRecord_
Definition: output-stats.h:31
StatsCounter_::updates
uint64_t updates
Definition: counters.h:47
SCConfGet
int SCConfGet(const char *name, const char **vptr)
Retrieve the value of a configuration node.
Definition: conf.c:350
StatsSetUI64
void StatsSetUI64(ThreadVars *tv, uint16_t id, uint64_t x)
Sets a value of type double to the local counter.
Definition: counters.c:207
THV_RUNNING
#define THV_RUNNING
Definition: threadvars.h:55
StatsCounter_::name
const char * name
Definition: counters.h:54
TAILQ_FOREACH
#define TAILQ_FOREACH(var, head, field)
Definition: queue.h:252
SCConfGetChildValueBool
int SCConfGetChildValueBool(const SCConfNode *base, const char *name, int *val)
Definition: conf.c:515
StatsSetupPrivate
int StatsSetupPrivate(ThreadVars *tv)
Definition: counters.c:1205
StatsCounter_::Func
uint64_t(* Func)(void)
Definition: counters.h:51
SCMutexLock
#define SCMutexLock(mut)
Definition: threads-debug.h:117
HashTable_
Definition: util-hash.h:35
StatsCounter_::value
int64_t value
Definition: counters.h:46
u8_tolower
#define u8_tolower(c)
Definition: suricata-common.h:445
tv_root
ThreadVars * tv_root[TVT_MAX]
Definition: tm-threads.c:82
SCConfValIsFalse
int SCConfValIsFalse(const char *val)
Check if a value is false.
Definition: conf.c:576
StatsInit
void StatsInit(void)
Initializes the perf counter api. Things are hard coded currently. More work to be done when we imple...
Definition: counters.c:876
util-privs.h
SCMUTEX_INITIALIZER
#define SCMUTEX_INITIALIZER
Definition: threads-debug.h:121
CountersIdType_::string
const char * string
Definition: counters.c:1027
SCDropCaps
#define SCDropCaps(...)
Definition: util-privs.h:89
m
SCMutex m
Definition: flow-hash.h:6
SCConfNodeLookupChildValue
const char * SCConfNodeLookupChildValue(const SCConfNode *node, const char *name)
Lookup the value of a child configuration node by name.
Definition: conf.c:824
JSON_STATS_TOTALS
#define JSON_STATS_TOTALS
Definition: output-json-stats.h:29
StatsRecord_::pvalue
int64_t pvalue
Definition: output-stats.h:36
TM_ECODE_FAILED
@ TM_ECODE_FAILED
Definition: tm-threads-common.h:82
FAIL_IF_NOT
#define FAIL_IF_NOT(expr)
Fail a test if expression evaluates to false.
Definition: util-unittest.h:82
TVT_MGMT
@ TVT_MGMT
Definition: tm-threads-common.h:89
StatsLocalCounter_::updates
uint64_t updates
Definition: counters.h:93
TM_ECODE_OK
@ TM_ECODE_OK
Definition: tm-threads-common.h:81
HashTableFree
void HashTableFree(HashTable *ht)
Definition: util-hash.c:78
ThreadVars_::cap_flags
uint8_t cap_flags
Definition: threadvars.h:81
ThreadVars_::perf_private_ctx
StatsPrivateThreadContext perf_private_ctx
Definition: threadvars.h:122
HashTable_::array_size
uint32_t array_size
Definition: util-hash.h:37
TmModule_::ThreadDeinit
TmEcode(* ThreadDeinit)(ThreadVars *, void *)
Definition: tm-modules.h:49
PacketQueue_::mutex_q
SCMutex mutex_q
Definition: packet-queue.h:56
StatsThreadStore_::next
struct StatsThreadStore_ * next
Definition: counters.c:75
stats_decoder_events_prefix
const char * stats_decoder_events_prefix
Definition: counters.c:102
THV_RUNNING_DONE
#define THV_RUNNING_DONE
Definition: threadvars.h:46
STATS_TYPE_MAX
@ STATS_TYPE_MAX
Definition: counters.c:60
StatsDecr
void StatsDecr(ThreadVars *tv, uint16_t id)
Decrements the local counter.
Definition: counters.c:186
counters.h
StatsRegisterMaxCounter
uint16_t StatsRegisterMaxCounter(const char *name, struct ThreadVars_ *tv)
Registers a counter, whose value holds the maximum of all the values assigned to it.
Definition: counters.c:992
StatsCounter_::short_name
const char * short_name
Definition: counters.h:55
CountersIdType_
Definition: counters.c:1025
PASS
#define PASS
Pass the test.
Definition: util-unittest.h:105
StatsCounter_::next
struct StatsCounter_ * next
Definition: counters.h:58
StatsSetupPostConfigPostOutput
void StatsSetupPostConfigPostOutput(void)
Definition: counters.c:891
SCMutexUnlock
#define SCMutexUnlock(mut)
Definition: threads-debug.h:119
ThreadVars_::perf_public_ctx
StatsPublicThreadContext perf_public_ctx
Definition: threadvars.h:128
StatsGlobalContext_::counters_id_hash
HashTable * counters_id_hash
Definition: counters.c:87
SCEnter
#define SCEnter(...)
Definition: util-debug.h:271
HashTableLookup
void * HashTableLookup(HashTable *ht, void *data, uint16_t datalen)
Definition: util-hash.c:183
StatsRecord_::name
const char * name
Definition: output-stats.h:32
ThreadVars_
Per thread variable structure.
Definition: threadvars.h:58
STATS_TYPE_MAXIMUM
@ STATS_TYPE_MAXIMUM
Definition: counters.c:57
StatsThreadStore_::name
const char * name
Definition: counters.c:68
THV_KILL
#define THV_KILL
Definition: threadvars.h:40
StringParseUint32
int StringParseUint32(uint32_t *res, int base, size_t len, const char *str)
Definition: util-byte.c:313
util-time.h
SCLogWarning
#define SCLogWarning(...)
Macro used to log WARNING messages.
Definition: util-debug.h:249
HashTableAdd
int HashTableAdd(HashTable *ht, void *data, uint16_t datalen)
Definition: util-hash.c:104
ThreadVars_::next
struct ThreadVars_ * next
Definition: threadvars.h:125
StatsPublicThreadContext_
Stats Context for a ThreadVars instance.
Definition: counters.h:64
StatsLocalCounter_::pc
StatsCounter * pc
Definition: counters.h:84
BUG_ON
#define BUG_ON(x)
Definition: suricata-common.h:309
StatsTable_
Definition: output-stats.h:39
tv_root_lock
SCMutex tv_root_lock
Definition: tm-threads.c:85
StatsGetLocalCounterValue
uint64_t StatsGetLocalCounterValue(ThreadVars *tv, uint16_t id)
Get the value of the local copy of the counter that hold this id.
Definition: counters.c:1251
StatsRecord_::value
int64_t value
Definition: output-stats.h:35
SCReturn
#define SCReturn
Definition: util-debug.h:273
SCCtrlMutexLock
#define SCCtrlMutexLock(mut)
Definition: threads-debug.h:376
StatsToJSON
json_t * StatsToJSON(const StatsTable *st, uint8_t flags)
turn StatsTable into a json object
Definition: output-json-stats.c:211
CountersIdType_::id
uint16_t id
Definition: counters.c:1026
type
uint16_t type
Definition: decode-vlan.c:106
tmm_modules
TmModule tmm_modules[TMM_SIZE]
Definition: tm-modules.c:29
ThreadVars_::ctrl_cond
SCCtrlCondT * ctrl_cond
Definition: threadvars.h:133
ThreadVars_::thread_group_name
char * thread_group_name
Definition: threadvars.h:67
StatsCounter_::id
uint16_t id
Definition: counters.h:40
ThreadVars_::thread_setup_flags
uint8_t thread_setup_flags
Definition: threadvars.h:69
TmEcode
TmEcode
Definition: tm-threads-common.h:80
name
const char * name
Definition: tm-threads.c:2135
StatsTable_::start_time
time_t start_time
Definition: output-stats.h:44
StatsLocalCounter_::id
uint16_t id
Definition: counters.h:87
StatsPrivateThreadContext_
used to hold the private version of the counters registered
Definition: counters.h:99
SCCtrlCondTimedwait
#define SCCtrlCondTimedwait
Definition: threads-debug.h:385
PacketQueue_::cond_q
SCCondT cond_q
Definition: packet-queue.h:57
TmThreadCreateMgmtThread
ThreadVars * TmThreadCreateMgmtThread(const char *name, void *(fn_p)(void *), int mucond)
Creates and returns the TV instance for a Management thread(MGMT). This function supports only custom...
Definition: tm-threads.c:1103
SCLogInfo
#define SCLogInfo(...)
Macro used to log INFORMATIONAL messages.
Definition: util-debug.h:224
StatsLocalCounter_::value
int64_t value
Definition: counters.h:90
SCMutexInit
#define SCMutexInit(mut, mutattrs)
Definition: threads-debug.h:116
STATS_WUT_TTS
#define STATS_WUT_TTS
Definition: counters.c:45
Flow_::next
struct Flow_ * next
Definition: flow.h:396
StatsGlobalContext_::global_counter_ctx
StatsPublicThreadContext global_counter_ctx
Definition: counters.c:89
StatsTable_::stats
StatsRecord * stats
Definition: output-stats.h:40
TmModule_
Definition: tm-modules.h:43
StatsGlobalContext_::sts_lock
SCMutex sts_lock
Definition: counters.c:84
STATS_TYPE_NORMAL
@ STATS_TYPE_NORMAL
Definition: counters.c:55
STATS_TYPE_FUNC
@ STATS_TYPE_FUNC
Definition: counters.c:58
THV_INIT_DONE
#define THV_INIT_DONE
Definition: threadvars.h:37
StatsPublicThreadContext_::m
SCMutex m
Definition: counters.h:75
StatsLocalCounter_
Storage for local counters, with a link to the public counter used for syncs.
Definition: counters.h:82
SCCtrlMutexUnlock
#define SCCtrlMutexUnlock(mut)
Definition: threads-debug.h:378
SCCondSignal
#define SCCondSignal
Definition: threads-debug.h:139
ThreadVars_::inq
Tmq * inq
Definition: threadvars.h:90
util-conf.h
StatsGlobalContext_::sts_cnt
int sts_cnt
Definition: counters.c:85
FAIL_IF
#define FAIL_IF(expr)
Fail a test if expression evaluates to true.
Definition: util-unittest.h:71
suricata-common.h
output-json-stats.h
TmThreadsWaitForUnpause
bool TmThreadsWaitForUnpause(ThreadVars *tv)
Wait for a thread to become unpaused.
Definition: tm-threads.c:363
StatsThreadStore_::ctx
StatsPublicThreadContext * ctx
Definition: counters.c:70
StatsEnabled
bool StatsEnabled(void)
Definition: counters.c:118
StatsSpawnThreads
void StatsSpawnThreads(void)
Spawns the wakeup, and the management thread used by the stats api.
Definition: counters.c:903
StatsRecord_::tm_name
const char * tm_name
Definition: output-stats.h:34
TmModule_::ThreadInit
TmEcode(* ThreadInit)(ThreadVars *, const void *, void **)
Definition: tm-modules.h:47
JSON_STATS_THREADS
#define JSON_STATS_THREADS
Definition: output-json-stats.h:30
FatalError
#define FatalError(...)
Definition: util-debug.h:502
StatsTable_::tstats
StatsRecord * tstats
Definition: output-stats.h:41
ThreadVars_::printable_name
char * printable_name
Definition: threadvars.h:66
tv
ThreadVars * tv
Definition: fuzz_decodepcapfile.c:32
StatsSyncCounters
void StatsSyncCounters(ThreadVars *tv)
Definition: counters.c:445
threadvars.h
ConfUnixSocketIsEnable
int ConfUnixSocketIsEnable(void)
Definition: util-conf.c:136
StatsAddUI64
void StatsAddUI64(ThreadVars *tv, uint16_t id, uint64_t x)
Adds a value of type uint64_t to the local counter.
Definition: counters.c:146
StatsCounter_::gid
uint16_t gid
Definition: counters.h:43
SCConfGetNode
SCConfNode * SCConfGetNode(const char *name)
Get a SCConfNode by name.
Definition: conf.c:181
OutputStatsLoggersRegistered
int OutputStatsLoggersRegistered(void)
Definition: output-stats.c:177
SCLogError
#define SCLogError(...)
Macro used to log ERROR messages.
Definition: util-debug.h:261
head
Flow * head
Definition: flow-hash.h:1
SCFree
#define SCFree(p)
Definition: util-mem.h:61
StatsPrivateThreadContext_::initialized
int initialized
Definition: counters.h:106
StatsPrivateThreadContext_::size
uint32_t size
Definition: counters.h:104
StatsUpdateCounterArray
int StatsUpdateCounterArray(StatsPrivateThreadContext *pca, StatsPublicThreadContext *pctx)
the private stats store with the public stats store
Definition: counters.c:1223
StatsRecord_::short_name
const char * short_name
Definition: output-stats.h:33
HashTableInit
HashTable * HashTableInit(uint32_t size, uint32_t(*Hash)(struct HashTable_ *, void *, uint16_t), char(*Compare)(void *, uint16_t, void *, uint16_t), void(*Free)(void *))
Definition: util-hash.c:35
StatsReleaseCounters
void StatsReleaseCounters(StatsCounter *head)
Releases counters.
Definition: counters.c:1275
suricata.h
StatsPublicThreadContext_::head
StatsCounter * head
Definition: counters.h:69
GetDocURL
const char * GetDocURL(void)
Definition: suricata.c:1116
StatsGlobalContext_::sts
StatsThreadStore * sts
Definition: counters.c:83
STATS_TYPE_AVERAGE
@ STATS_TYPE_AVERAGE
Definition: counters.c:56
StatsGlobalContext
struct StatsGlobalContext_ StatsGlobalContext
Holds the output interface context for the counter api.
id
uint32_t id
Definition: detect-flowbits.c:933
StatsRegisterAvgCounter
uint16_t StatsRegisterAvgCounter(const char *name, struct ThreadVars_ *tv)
Registers a counter, whose value holds the average of all the values assigned to it.
Definition: counters.c:972
ThreadVars_::ctrl_mutex
SCCtrlMutex * ctrl_mutex
Definition: threadvars.h:132
StatsSyncCountersIfSignalled
void StatsSyncCountersIfSignalled(ThreadVars *tv)
Definition: counters.c:450
StatsThreadStore
struct StatsThreadStore_ StatsThreadStore
per thread store of counters
SC_ATOMIC_GET
#define SC_ATOMIC_GET(name)
Get the value from the atomic variable.
Definition: util-atomic.h:375
stats_decoder_events
bool stats_decoder_events
Definition: counters.c:101
TmThreadsCheckFlag
int TmThreadsCheckFlag(ThreadVars *tv, uint32_t flag)
Check if a thread flag is set.
Definition: tm-threads.c:93
StatsRegisterCounter
uint16_t StatsRegisterCounter(const char *name, struct ThreadVars_ *tv)
Registers a normal, unqualified counter.
Definition: counters.c:952
StatsPublicThreadContext_::curr_id
uint16_t curr_id
Definition: counters.h:72
THV_CLOSED
#define THV_CLOSED
Definition: threadvars.h:42
SCCalloc
#define SCCalloc(nm, sz)
Definition: util-mem.h:53
SCMutexDestroy
#define SCMutexDestroy
Definition: threads-debug.h:120
SCConfNode_
Definition: conf.h:32
StatsThreadCleanup
void StatsThreadCleanup(ThreadVars *tv)
Definition: counters.c:1304
SCConfNode_::val
char * val
Definition: conf.h:34
StatsTable_::nstats
uint32_t nstats
Definition: output-stats.h:42
SCMutex
#define SCMutex
Definition: threads-debug.h:114
StatsPrivateThreadContext_::head
StatsLocalCounter * head
Definition: counters.h:101
OutputStatsLog
TmEcode OutputStatsLog(ThreadVars *tv, void *thread_data, StatsTable *st)
Definition: output-stats.c:77
StatsRegisterTests
void StatsRegisterTests(void)
Definition: counters.c:1565
output.h