2 * collectd - src/statsd.c
3 * Copyright (C) 2013 Florian octo Forster
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 * Florian octo Forster <octo at collectd.org>
30 #include "configfile.h"
31 #include "utils_avltree.h"
32 #include "utils_complain.h"
33 #include "utils_latency.h"
37 #include <sys/types.h>
41 /* AIX doesn't have MSG_DONTWAIT */
43 # define MSG_DONTWAIT MSG_NONBLOCK
46 #ifndef STATSD_DEFAULT_NODE
47 # define STATSD_DEFAULT_NODE NULL
50 #ifndef STATSD_DEFAULT_SERVICE
51 # define STATSD_DEFAULT_SERVICE "8125"
61 typedef enum metric_type_e metric_type_t;
63 struct statsd_metric_s
68 latency_counter_t *latency;
70 unsigned long updates_num;
72 typedef struct statsd_metric_s statsd_metric_t;
74 static c_avl_tree_t *metrics_tree = NULL;
75 static pthread_mutex_t metrics_lock = PTHREAD_MUTEX_INITIALIZER;
77 static pthread_t network_thread;
78 static _Bool network_thread_running = 0;
79 static _Bool network_thread_shutdown = 0;
81 static char *conf_node = NULL;
82 static char *conf_service = NULL;
84 static _Bool conf_delete_counters = 0;
85 static _Bool conf_delete_timers = 0;
86 static _Bool conf_delete_gauges = 0;
87 static _Bool conf_delete_sets = 0;
89 static double *conf_timer_percentile = NULL;
90 static size_t conf_timer_percentile_num = 0;
92 static _Bool conf_counter_sum = 0;
93 static _Bool conf_timer_lower = 0;
94 static _Bool conf_timer_upper = 0;
95 static _Bool conf_timer_sum = 0;
96 static _Bool conf_timer_count = 0;
98 /* Must hold metrics_lock when calling this function. */
99 static statsd_metric_t *statsd_metric_lookup_unsafe (char const *name, /* {{{ */
102 char key[DATA_MAX_NAME_LEN + 2];
104 statsd_metric_t *metric;
109 case STATSD_COUNTER: key[0] = 'c'; break;
110 case STATSD_TIMER: key[0] = 't'; break;
111 case STATSD_GAUGE: key[0] = 'g'; break;
112 case STATSD_SET: key[0] = 's'; break;
113 default: return (NULL);
117 sstrncpy (&key[2], name, sizeof (key) - 2);
119 status = c_avl_get (metrics_tree, key, (void *) &metric);
123 key_copy = strdup (key);
124 if (key_copy == NULL)
126 ERROR ("statsd plugin: strdup failed.");
130 metric = calloc (1, sizeof (*metric));
133 ERROR ("statsd plugin: calloc failed.");
139 metric->latency = NULL;
142 status = c_avl_insert (metrics_tree, key_copy, metric);
145 ERROR ("statsd plugin: c_avl_insert failed.");
152 } /* }}} statsd_metric_lookup_unsafe */
154 static int statsd_metric_set (char const *name, double value, /* {{{ */
157 statsd_metric_t *metric;
159 pthread_mutex_lock (&metrics_lock);
161 metric = statsd_metric_lookup_unsafe (name, type);
164 pthread_mutex_unlock (&metrics_lock);
168 metric->value = value;
169 metric->updates_num++;
171 pthread_mutex_unlock (&metrics_lock);
174 } /* }}} int statsd_metric_set */
176 static int statsd_metric_add (char const *name, double delta, /* {{{ */
179 statsd_metric_t *metric;
181 pthread_mutex_lock (&metrics_lock);
183 metric = statsd_metric_lookup_unsafe (name, type);
186 pthread_mutex_unlock (&metrics_lock);
190 metric->value += delta;
191 metric->updates_num++;
193 pthread_mutex_unlock (&metrics_lock);
196 } /* }}} int statsd_metric_add */
198 static void statsd_metric_free (statsd_metric_t *metric) /* {{{ */
203 if (metric->latency != NULL)
205 latency_counter_destroy (metric->latency);
206 metric->latency = NULL;
209 if (metric->set != NULL)
214 while (c_avl_pick (metric->set, &key, &value) == 0)
217 assert (value == NULL);
220 c_avl_destroy (metric->set);
225 } /* }}} void statsd_metric_free */
227 static int statsd_parse_value (char const *str, value_t *ret_value) /* {{{ */
231 ret_value->gauge = (gauge_t) strtod (str, &endptr);
232 if ((str == endptr) || ((endptr != NULL) && (*endptr != 0)))
236 } /* }}} int statsd_parse_value */
238 static int statsd_handle_counter (char const *name, /* {{{ */
239 char const *value_str,
246 if ((extra != NULL) && (extra[0] != '@'))
252 status = statsd_parse_value (extra + 1, &scale);
256 if (!isfinite (scale.gauge) || (scale.gauge <= 0.0) || (scale.gauge > 1.0))
261 status = statsd_parse_value (value_str, &value);
265 /* Changes to the counter are added to (statsd_metric_t*)->value. ->counter is
266 * only updated in statsd_metric_submit_unsafe(). */
267 return (statsd_metric_add (name, (double) (value.gauge / scale.gauge),
269 } /* }}} int statsd_handle_counter */
271 static int statsd_handle_gauge (char const *name, /* {{{ */
272 char const *value_str)
278 status = statsd_parse_value (value_str, &value);
282 if ((value_str[0] == '+') || (value_str[0] == '-'))
283 return (statsd_metric_add (name, (double) value.gauge, STATSD_GAUGE));
285 return (statsd_metric_set (name, (double) value.gauge, STATSD_GAUGE));
286 } /* }}} int statsd_handle_gauge */
288 static int statsd_handle_timer (char const *name, /* {{{ */
289 char const *value_str,
292 statsd_metric_t *metric;
298 if ((extra != NULL) && (extra[0] != '@'))
304 status = statsd_parse_value (extra + 1, &scale);
308 if (!isfinite (scale.gauge) || (scale.gauge <= 0.0) || (scale.gauge > 1.0))
313 status = statsd_parse_value (value_str, &value_ms);
317 value = MS_TO_CDTIME_T (value_ms.gauge / scale.gauge);
319 pthread_mutex_lock (&metrics_lock);
321 metric = statsd_metric_lookup_unsafe (name, STATSD_TIMER);
324 pthread_mutex_unlock (&metrics_lock);
328 if (metric->latency == NULL)
329 metric->latency = latency_counter_create ();
330 if (metric->latency == NULL)
332 pthread_mutex_unlock (&metrics_lock);
336 latency_counter_add (metric->latency, value);
337 metric->updates_num++;
339 pthread_mutex_unlock (&metrics_lock);
341 } /* }}} int statsd_handle_timer */
343 static int statsd_handle_set (char const *name, /* {{{ */
344 char const *set_key_orig)
346 statsd_metric_t *metric = NULL;
350 pthread_mutex_lock (&metrics_lock);
352 metric = statsd_metric_lookup_unsafe (name, STATSD_SET);
355 pthread_mutex_unlock (&metrics_lock);
359 /* Make sure metric->set exists. */
360 if (metric->set == NULL)
361 metric->set = c_avl_create ((void *) strcmp);
363 if (metric->set == NULL)
365 pthread_mutex_unlock (&metrics_lock);
366 ERROR ("statsd plugin: c_avl_create failed.");
370 set_key = strdup (set_key_orig);
373 pthread_mutex_unlock (&metrics_lock);
374 ERROR ("statsd plugin: strdup failed.");
378 status = c_avl_insert (metric->set, set_key, /* value = */ NULL);
381 pthread_mutex_unlock (&metrics_lock);
383 ERROR ("statsd plugin: c_avl_insert (\"%s\") failed with status %i.",
388 else if (status > 0) /* key already exists */
393 metric->updates_num++;
395 pthread_mutex_unlock (&metrics_lock);
397 } /* }}} int statsd_handle_set */
399 static int statsd_parse_line (char *buffer) /* {{{ */
406 type = strchr (name, '|');
412 value = strrchr (name, ':');
418 extra = strchr (type, '|');
425 if (strcmp ("c", type) == 0)
426 return (statsd_handle_counter (name, value, extra));
427 else if (strcmp ("ms", type) == 0)
428 return (statsd_handle_timer (name, value, extra));
430 /* extra is only valid for counters and timers */
434 if (strcmp ("g", type) == 0)
435 return (statsd_handle_gauge (name, value));
436 else if (strcmp ("s", type) == 0)
437 return (statsd_handle_set (name, value));
440 } /* }}} void statsd_parse_line */
442 static void statsd_parse_buffer (char *buffer) /* {{{ */
444 while (buffer != NULL)
450 next = strchr (buffer, '\n');
463 sstrncpy (orig, buffer, sizeof (orig));
465 status = statsd_parse_line (buffer);
467 ERROR ("statsd plugin: Unable to parse line: \"%s\"", orig);
471 } /* }}} void statsd_parse_buffer */
473 static void statsd_network_read (int fd) /* {{{ */
479 status = recv (fd, buffer, sizeof (buffer), /* flags = */ MSG_DONTWAIT);
484 if ((errno == EAGAIN) || (errno == EWOULDBLOCK))
487 ERROR ("statsd plugin: recv(2) failed: %s",
488 sstrerror (errno, errbuf, sizeof (errbuf)));
492 buffer_size = (size_t) status;
493 if (buffer_size >= sizeof (buffer))
494 buffer_size = sizeof (buffer) - 1;
495 buffer[buffer_size] = 0;
497 statsd_parse_buffer (buffer);
498 } /* }}} void statsd_network_read */
500 static int statsd_network_init (struct pollfd **ret_fds, /* {{{ */
503 struct pollfd *fds = NULL;
506 struct addrinfo ai_hints;
507 struct addrinfo *ai_list = NULL;
508 struct addrinfo *ai_ptr;
511 char const *node = (conf_node != NULL) ? conf_node : STATSD_DEFAULT_NODE;
512 char const *service = (conf_service != NULL)
513 ? conf_service : STATSD_DEFAULT_SERVICE;
515 memset (&ai_hints, 0, sizeof (ai_hints));
516 ai_hints.ai_flags = AI_PASSIVE;
518 ai_hints.ai_flags |= AI_ADDRCONFIG;
520 ai_hints.ai_family = AF_UNSPEC;
521 ai_hints.ai_socktype = SOCK_DGRAM;
523 status = getaddrinfo (node, service, &ai_hints, &ai_list);
526 ERROR ("statsd plugin: getaddrinfo (\"%s\", \"%s\") failed: %s",
527 node, service, gai_strerror (status));
531 for (ai_ptr = ai_list; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next)
536 char dbg_node[NI_MAXHOST];
537 char dbg_service[NI_MAXSERV];
539 fd = socket (ai_ptr->ai_family, ai_ptr->ai_socktype, ai_ptr->ai_protocol);
543 ERROR ("statsd plugin: socket(2) failed: %s",
544 sstrerror (errno, errbuf, sizeof (errbuf)));
548 getnameinfo (ai_ptr->ai_addr, ai_ptr->ai_addrlen,
549 dbg_node, sizeof (dbg_node), dbg_service, sizeof (dbg_service),
550 NI_DGRAM | NI_NUMERICHOST | NI_NUMERICSERV);
551 DEBUG ("statsd plugin: Trying to bind to [%s]:%s ...", dbg_node, dbg_service);
553 status = bind (fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen);
557 ERROR ("statsd plugin: bind(2) failed: %s",
558 sstrerror (errno, errbuf, sizeof (errbuf)));
563 tmp = realloc (fds, sizeof (*fds) * (fds_num + 1));
566 ERROR ("statsd plugin: realloc failed.");
574 memset (tmp, 0, sizeof (*tmp));
576 tmp->events = POLLIN | POLLPRI;
579 freeaddrinfo (ai_list);
583 ERROR ("statsd plugin: Unable to create listening socket for [%s]:%s.",
584 (node != NULL) ? node : "::", service);
589 *ret_fds_num = fds_num;
591 } /* }}} int statsd_network_init */
593 static void *statsd_network_thread (void *args) /* {{{ */
595 struct pollfd *fds = NULL;
600 status = statsd_network_init (&fds, &fds_num);
603 ERROR ("statsd plugin: Unable to open listening sockets.");
604 pthread_exit ((void *) 0);
607 while (!network_thread_shutdown)
609 status = poll (fds, (nfds_t) fds_num, /* timeout = */ -1);
614 if ((errno == EINTR) || (errno == EAGAIN))
617 ERROR ("statsd plugin: poll(2) failed: %s",
618 sstrerror (errno, errbuf, sizeof (errbuf)));
622 for (i = 0; i < fds_num; i++)
624 if ((fds[i].revents & (POLLIN | POLLPRI)) == 0)
627 statsd_network_read (fds[i].fd);
630 } /* while (!network_thread_shutdown) */
633 for (i = 0; i < fds_num; i++)
638 } /* }}} void *statsd_network_thread */
640 static int statsd_config_timer_percentile (oconfig_item_t *ci) /* {{{ */
642 double percent = NAN;
646 status = cf_util_get_double (ci, &percent);
650 if ((percent <= 0.0) || (percent >= 100))
652 ERROR ("statsd plugin: The value for \"%s\" must be between 0 and 100, "
653 "exclusively.", ci->key);
657 tmp = realloc (conf_timer_percentile,
658 sizeof (*conf_timer_percentile) * (conf_timer_percentile_num + 1));
661 ERROR ("statsd plugin: realloc failed.");
664 conf_timer_percentile = tmp;
665 conf_timer_percentile[conf_timer_percentile_num] = percent;
666 conf_timer_percentile_num++;
669 } /* }}} int statsd_config_timer_percentile */
671 static int statsd_config (oconfig_item_t *ci) /* {{{ */
675 for (i = 0; i < ci->children_num; i++)
677 oconfig_item_t *child = ci->children + i;
679 if (strcasecmp ("Host", child->key) == 0)
680 cf_util_get_string (child, &conf_node);
681 else if (strcasecmp ("Port", child->key) == 0)
682 cf_util_get_service (child, &conf_service);
683 else if (strcasecmp ("DeleteCounters", child->key) == 0)
684 cf_util_get_boolean (child, &conf_delete_counters);
685 else if (strcasecmp ("DeleteTimers", child->key) == 0)
686 cf_util_get_boolean (child, &conf_delete_timers);
687 else if (strcasecmp ("DeleteGauges", child->key) == 0)
688 cf_util_get_boolean (child, &conf_delete_gauges);
689 else if (strcasecmp ("DeleteSets", child->key) == 0)
690 cf_util_get_boolean (child, &conf_delete_sets);
691 else if (strcasecmp ("CounterSum", child->key) == 0)
692 cf_util_get_boolean (child, &conf_counter_sum);
693 else if (strcasecmp ("TimerLower", child->key) == 0)
694 cf_util_get_boolean (child, &conf_timer_lower);
695 else if (strcasecmp ("TimerUpper", child->key) == 0)
696 cf_util_get_boolean (child, &conf_timer_upper);
697 else if (strcasecmp ("TimerSum", child->key) == 0)
698 cf_util_get_boolean (child, &conf_timer_sum);
699 else if (strcasecmp ("TimerCount", child->key) == 0)
700 cf_util_get_boolean (child, &conf_timer_count);
701 else if (strcasecmp ("TimerPercentile", child->key) == 0)
702 statsd_config_timer_percentile (child);
704 ERROR ("statsd plugin: The \"%s\" config option is not valid.",
709 } /* }}} int statsd_config */
711 static int statsd_init (void) /* {{{ */
713 pthread_mutex_lock (&metrics_lock);
714 if (metrics_tree == NULL)
715 metrics_tree = c_avl_create ((void *) strcmp);
717 if (!network_thread_running)
721 status = pthread_create (&network_thread,
723 statsd_network_thread,
728 pthread_mutex_unlock (&metrics_lock);
729 ERROR ("statsd plugin: pthread_create failed: %s",
730 sstrerror (errno, errbuf, sizeof (errbuf)));
734 network_thread_running = 1;
736 pthread_mutex_unlock (&metrics_lock);
739 } /* }}} int statsd_init */
741 /* Must hold metrics_lock when calling this function. */
742 static int statsd_metric_clear_set_unsafe (statsd_metric_t *metric) /* {{{ */
747 if ((metric == NULL) || (metric->type != STATSD_SET))
750 if (metric->set == NULL)
753 while (c_avl_pick (metric->set, &key, &value) == 0)
760 } /* }}} int statsd_metric_clear_set_unsafe */
762 /* Must hold metrics_lock when calling this function. */
763 static int statsd_metric_submit_unsafe (char const *name, statsd_metric_t *metric) /* {{{ */
766 value_list_t vl = VALUE_LIST_INIT;
770 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
771 sstrncpy (vl.plugin, "statsd", sizeof (vl.plugin));
773 if (metric->type == STATSD_GAUGE)
774 sstrncpy (vl.type, "gauge", sizeof (vl.type));
775 else if (metric->type == STATSD_TIMER)
776 sstrncpy (vl.type, "latency", sizeof (vl.type));
777 else if (metric->type == STATSD_SET)
778 sstrncpy (vl.type, "objects", sizeof (vl.type));
779 else /* if (metric->type == STATSD_COUNTER) */
780 sstrncpy (vl.type, "derive", sizeof (vl.type));
782 sstrncpy (vl.type_instance, name, sizeof (vl.type_instance));
784 if (metric->type == STATSD_GAUGE)
785 values[0].gauge = (gauge_t) metric->value;
786 else if (metric->type == STATSD_TIMER)
789 _Bool have_events = (metric->updates_num > 0);
791 /* Make sure all timer metrics share the *same* timestamp. */
794 ssnprintf (vl.type_instance, sizeof (vl.type_instance),
796 values[0].gauge = have_events
797 ? CDTIME_T_TO_DOUBLE (latency_counter_get_average (metric->latency))
799 plugin_dispatch_values (&vl);
801 if (conf_timer_lower) {
802 ssnprintf (vl.type_instance, sizeof (vl.type_instance),
804 values[0].gauge = have_events
805 ? CDTIME_T_TO_DOUBLE (latency_counter_get_min (metric->latency))
807 plugin_dispatch_values (&vl);
810 if (conf_timer_upper) {
811 ssnprintf (vl.type_instance, sizeof (vl.type_instance),
813 values[0].gauge = have_events
814 ? CDTIME_T_TO_DOUBLE (latency_counter_get_max (metric->latency))
816 plugin_dispatch_values (&vl);
819 if (conf_timer_sum) {
820 ssnprintf (vl.type_instance, sizeof (vl.type_instance),
822 values[0].gauge = have_events
823 ? CDTIME_T_TO_DOUBLE (latency_counter_get_sum (metric->latency))
825 plugin_dispatch_values (&vl);
828 for (i = 0; i < conf_timer_percentile_num; i++)
830 ssnprintf (vl.type_instance, sizeof (vl.type_instance),
831 "%s-percentile-%.0f", name, conf_timer_percentile[i]);
832 values[0].gauge = have_events
833 ? CDTIME_T_TO_DOUBLE (latency_counter_get_percentile (metric->latency, conf_timer_percentile[i]))
835 plugin_dispatch_values (&vl);
838 /* Keep this at the end, since vl.type is set to "gauge" here. The
839 * vl.type's above are implicitly set to "latency". */
840 if (conf_timer_count) {
841 sstrncpy (vl.type, "gauge", sizeof (vl.type));
842 ssnprintf (vl.type_instance, sizeof (vl.type_instance),
844 values[0].gauge = latency_counter_get_num (metric->latency);
845 plugin_dispatch_values (&vl);
848 latency_counter_reset (metric->latency);
851 else if (metric->type == STATSD_SET)
853 if (metric->set == NULL)
854 values[0].gauge = 0.0;
856 values[0].gauge = (gauge_t) c_avl_size (metric->set);
858 else { /* STATSD_COUNTER */
859 gauge_t delta = nearbyint (metric->value);
861 /* Etsy's statsd writes counters as two metrics: a rate and the change since
862 * the last write. Since collectd does not reset its DERIVE metrics to zero,
863 * this makes little sense, but we're dispatching a "count" metric here
864 * anyway - if requested by the user - for compatibility reasons. */
865 if (conf_counter_sum)
867 sstrncpy (vl.type, "count", sizeof (vl.type));
868 values[0].gauge = delta;
869 plugin_dispatch_values (&vl);
871 /* restore vl.type */
872 sstrncpy (vl.type, "derive", sizeof (vl.type));
875 /* Rather than resetting value to zero, subtract delta so we correctly keep
876 * track of residuals. */
877 metric->value -= delta;
878 metric->counter += (derive_t) delta;
880 values[0].derive = metric->counter;
883 return (plugin_dispatch_values (&vl));
884 } /* }}} int statsd_metric_submit_unsafe */
886 static int statsd_read (void) /* {{{ */
888 c_avl_iterator_t *iter;
890 statsd_metric_t *metric;
892 char **to_be_deleted = NULL;
893 size_t to_be_deleted_num = 0;
896 pthread_mutex_lock (&metrics_lock);
898 if (metrics_tree == NULL)
900 pthread_mutex_unlock (&metrics_lock);
904 iter = c_avl_get_iterator (metrics_tree);
905 while (c_avl_iterator_next (iter, (void *) &name, (void *) &metric) == 0)
907 if ((metric->updates_num == 0)
908 && ((conf_delete_counters && (metric->type == STATSD_COUNTER))
909 || (conf_delete_timers && (metric->type == STATSD_TIMER))
910 || (conf_delete_gauges && (metric->type == STATSD_GAUGE))
911 || (conf_delete_sets && (metric->type == STATSD_SET))))
913 DEBUG ("statsd plugin: Deleting metric \"%s\".", name);
914 strarray_add (&to_be_deleted, &to_be_deleted_num, name);
918 /* Names have a prefix, e.g. "c:", which determines the (statsd) type.
919 * Remove this here. */
920 statsd_metric_submit_unsafe (name + 2, metric);
922 /* Reset the metric. */
923 metric->updates_num = 0;
924 if (metric->type == STATSD_SET)
925 statsd_metric_clear_set_unsafe (metric);
927 c_avl_iterator_destroy (iter);
929 for (i = 0; i < to_be_deleted_num; i++)
933 status = c_avl_remove (metrics_tree, to_be_deleted[i],
934 (void *) &name, (void *) &metric);
937 ERROR ("stats plugin: c_avl_remove (\"%s\") failed with status %i.",
938 to_be_deleted[i], status);
943 statsd_metric_free (metric);
946 pthread_mutex_unlock (&metrics_lock);
948 strarray_free (to_be_deleted, to_be_deleted_num);
951 } /* }}} int statsd_read */
953 static int statsd_shutdown (void) /* {{{ */
958 if (network_thread_running)
960 network_thread_shutdown = 1;
961 pthread_kill (network_thread, SIGTERM);
962 pthread_join (network_thread, /* retval = */ NULL);
964 network_thread_running = 0;
966 pthread_mutex_lock (&metrics_lock);
968 while (c_avl_pick (metrics_tree, &key, &value) == 0)
971 statsd_metric_free (value);
973 c_avl_destroy (metrics_tree);
977 sfree (conf_service);
979 pthread_mutex_unlock (&metrics_lock);
982 } /* }}} int statsd_shutdown */
984 void module_register (void)
986 plugin_register_complex_config ("statsd", statsd_config);
987 plugin_register_init ("statsd", statsd_init);
988 plugin_register_read ("statsd", statsd_read);
989 plugin_register_shutdown ("statsd", statsd_shutdown);
992 /* vim: set sw=2 sts=2 et fdm=marker : */