2 * collectd - src/perl.c
3 * Copyright (C) 2007 Sebastian Harl
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; only version 2 of the License is applicable.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 * Sebastian Harl <sh at tokkee.org>
23 * This plugin embeds a Perl interpreter into collectd and provides an
24 * interface for collectd plugins written in perl.
31 #include "configfile.h"
40 #define PLUGIN_WRITE 2
41 #define PLUGIN_SHUTDOWN 3
44 #define PLUGIN_TYPES 5
46 #define PLUGIN_DATASET 255
48 #define log_debug(...) DEBUG ("perl: " __VA_ARGS__)
49 #define log_warn(...) WARNING ("perl: " __VA_ARGS__)
50 #define log_err(...) ERROR ("perl: " __VA_ARGS__)
53 /* this is defined in DynaLoader.a */
54 void boot_DynaLoader (PerlInterpreter *, CV *);
56 static XS (Collectd_plugin_register);
57 static XS (Collectd_plugin_unregister);
58 static XS (Collectd_plugin_dispatch_values);
59 static XS (Collectd_plugin_log);
83 /* valid configuration file keys */
84 static const char *config_keys[] =
90 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
92 static PerlInterpreter *perl = NULL;
94 static char base_name[DATA_MAX_NAME_LEN] = "Collectd::Plugin";
96 static char *plugin_types[] = { "init", "read", "write", "shutdown" };
97 static HV *plugins[PLUGIN_TYPES];
105 { "Collectd::plugin_register", Collectd_plugin_register },
106 { "Collectd::plugin_unregister", Collectd_plugin_unregister },
107 { "Collectd::plugin_dispatch_values", Collectd_plugin_dispatch_values },
108 { "Collectd::plugin_log", Collectd_plugin_log },
114 * Helper functions for data type conversion.
129 static int hv2data_source (HV *hash, data_source_t *ds)
133 if ((NULL == hash) || (NULL == ds))
136 if (NULL != (tmp = Perl_hv_fetch (perl, hash, "name", 4, 0))) {
137 strncpy (ds->name, SvPV_nolen (*tmp), DATA_MAX_NAME_LEN);
138 ds->name[DATA_MAX_NAME_LEN - 1] = '\0';
141 log_err ("hv2data_source: No DS name given.");
145 if (NULL != (tmp = Perl_hv_fetch (perl, hash, "type", 4, 0))) {
146 ds->type = SvIV (*tmp);
148 if ((DS_TYPE_COUNTER != ds->type) && (DS_TYPE_GAUGE != ds->type)) {
149 log_err ("hv2data_source: Invalid DS type.");
154 ds->type = DS_TYPE_COUNTER;
157 if (NULL != (tmp = Perl_hv_fetch (perl, hash, "min", 3, 0)))
158 ds->min = SvNV (*tmp);
162 if (NULL != (tmp = Perl_hv_fetch (perl, hash, "max", 3, 0)))
163 ds->max = SvNV (*tmp);
167 } /* static data_source_t *hv2data_source (HV *) */
169 static int av2value (char *name, AV *array, value_t *value, int len)
173 ds_types_t *ds = NULL;
177 if ((NULL == name) || (NULL == array) || (NULL == value))
180 if (Perl_av_len (perl, array) < len - 1)
181 len = Perl_av_len (perl, array) + 1;
186 tmp = Perl_hv_fetch (perl, data_sets, name, strlen (name), 0);
188 log_err ("av2value: No dataset for \"%s\".", name);
191 ds = (ds_types_t *)SvIV ((SV *)SvRV (*tmp));
194 log_warn ("av2value: Value length exceeds data set length.");
198 for (i = 0; i < len; ++i) {
199 SV **tmp = Perl_av_fetch (perl, array, i, 0);
202 if (DS_TYPE_COUNTER == ds->values[i])
203 value[i].counter = SvIV (*tmp);
205 value[i].gauge = SvNV (*tmp);
212 } /* static int av2value (char *, AV *, value_t *, int) */
214 static int data_set2av (data_set_t *ds, AV *array)
218 if ((NULL == ds) || (NULL == array))
221 Perl_av_extend (perl, array, ds->ds_num);
223 for (i = 0; i < ds->ds_num; ++i) {
224 HV *source = Perl_newHV (perl);
226 if (NULL == Perl_hv_store (perl, source, "name", 4,
227 Perl_newSVpv (perl, ds->ds[i].name, 0), 0))
230 if (NULL == Perl_hv_store (perl, source, "type", 4,
231 Perl_newSViv (perl, ds->ds[i].type), 0))
234 if (! isnan (ds->ds[i].min))
235 if (NULL == Perl_hv_store (perl, source, "min", 3,
236 Perl_newSVnv (perl, ds->ds[i].min), 0))
239 if (! isnan (ds->ds[i].max))
240 if (NULL == Perl_hv_store (perl, source, "max", 3,
241 Perl_newSVnv (perl, ds->ds[i].max), 0))
244 if (NULL == Perl_av_store (perl, array, i,
245 Perl_newRV_noinc (perl, (SV *)source)))
249 } /* static int data_set2av (data_set_t *, AV *) */
251 static int value_list2hv (value_list_t *vl, data_set_t *ds, HV *hash)
258 if ((NULL == vl) || (NULL == ds) || (NULL == hash))
261 len = vl->values_len;
263 if (ds->ds_num < len) {
264 log_warn ("value2av: Value length exceeds data set length.");
268 values = Perl_newAV (perl);
269 Perl_av_extend (perl, values, len - 1);
271 for (i = 0; i < len; ++i) {
274 if (DS_TYPE_COUNTER == ds->ds[i].type)
275 val = Perl_newSViv (perl, vl->values[i].counter);
277 val = Perl_newSVnv (perl, vl->values[i].gauge);
279 if (NULL == Perl_av_store (perl, values, i, val)) {
280 Perl_av_undef (perl, values);
285 if (NULL == Perl_hv_store (perl, hash, "values", 6,
286 Perl_newRV_noinc (perl, (SV *)values), 0))
290 if (NULL == Perl_hv_store (perl, hash, "time", 4,
291 Perl_newSViv (perl, vl->time), 0))
294 if ('\0' != vl->host[0])
295 if (NULL == Perl_hv_store (perl, hash, "host", 4,
296 Perl_newSVpv (perl, vl->host, 0), 0))
299 if ('\0' != vl->plugin[0])
300 if (NULL == Perl_hv_store (perl, hash, "plugin", 6,
301 Perl_newSVpv (perl, vl->plugin, 0), 0))
304 if ('\0' != vl->plugin_instance[0])
305 if (NULL == Perl_hv_store (perl, hash, "plugin_instance", 15,
306 Perl_newSVpv (perl, vl->plugin_instance, 0), 0))
309 if ('\0' != vl->type_instance[0])
310 if (NULL == Perl_hv_store (perl, hash, "type_instance", 13,
311 Perl_newSVpv (perl, vl->type_instance, 0), 0))
314 } /* static int value2av (value_list_t *, data_set_t *, HV *) */
318 * Internal functions.
322 * Add a new plugin with the given name.
324 static int pplugin_register (int type, const char *name, SV *sub)
328 if ((type < 0) || (type >= PLUGIN_TYPES))
334 p = (pplugin_t *)smalloc (sizeof (pplugin_t));
335 /* this happens during parsing of config file,
336 * thus interval_g is not set correctly */
339 p->sub = Perl_newSVsv (perl, sub);
341 if (NULL == Perl_hv_store (perl, plugins[type], name, strlen (name),
342 Perl_sv_setref_pv (perl, Perl_newSV (perl, 0), 0, p), 0)) {
343 log_debug ("pplugin_register: Failed to add plugin \"%s\" (\"%s\")",
344 name, SvPV_nolen (sub));
345 Perl_sv_free (perl, p->sub);
350 } /* static int pplugin_register (int, char *, SV *) */
353 * Removes the plugin with the given name and frees any ressources.
355 static int pplugin_unregister (int type, char *name)
359 if ((type < 0) || (type >= PLUGIN_TYPES))
365 /* freeing the allocated memory of the element itself (pplugin_t *) causes
366 * a segfault during perl_destruct () thus I assume perl somehow takes
369 tmp = Perl_hv_delete (perl, plugins[type], name, strlen (name), 0);
371 pplugin_t *p = (pplugin_t *)SvIV ((SV *)SvRV (tmp));
372 Perl_sv_free (perl, p->sub);
375 } /* static int pplugin_unregister (char *) */
378 * Add a plugin's data set definition.
380 static int pplugin_register_data_set (char *name, AV *dataset)
385 data_source_t *ds = NULL;
386 data_set_t *set = NULL;
388 ds_types_t *types = NULL;
390 if ((NULL == name) || (NULL == dataset))
393 len = Perl_av_len (perl, dataset);
398 ds = (data_source_t *)smalloc ((len + 1) * sizeof (data_source_t));
399 set = (data_set_t *)smalloc (sizeof (data_set_t));
401 types = (ds_types_t *)smalloc (sizeof (ds_types_t));
402 types->len = len + 1;
403 types->values = (int *)smalloc ((types->len) * sizeof (int));
405 for (i = 0; i <= len; ++i) {
406 SV **elem = Perl_av_fetch (perl, dataset, i, 0);
411 if (! (SvROK (*elem) && (SVt_PVHV == SvTYPE (SvRV (*elem))))) {
412 log_err ("pplugin_register_data_set: Invalid data source.");
416 if (-1 == hv2data_source ((HV *)SvRV (*elem), &ds[i]))
419 types->values[i] = ds[i].type;
420 log_debug ("pplugin_register_data_set: "
421 "DS.name = \"%s\", DS.type = %i, DS.min = %f, DS.max = %f",
422 ds[i].name, ds[i].type, ds[i].min, ds[i].max);
425 if (NULL == Perl_hv_store (perl, data_sets, name, strlen (name),
426 Perl_sv_setref_pv (perl, Perl_newSV (perl, 0), 0, types), 0))
429 strncpy (set->type, name, DATA_MAX_NAME_LEN);
430 set->type[DATA_MAX_NAME_LEN - 1] = '\0';
432 set->ds_num = len + 1;
434 return plugin_register_data_set (set);
435 } /* static int pplugin_register_data_set (char *, SV *) */
438 * Remove a plugin's data set definition.
440 static int pplugin_unregister_data_set (char *name)
447 /* freeing the allocated memory of the element itself (ds_types_t *)
448 * causes a segfault during perl_destruct () thus I assume perl somehow
449 * takes care of this... */
451 tmp = Perl_hv_delete (perl, data_sets, name, strlen (name), 0);
453 ds_types_t *ds = (ds_types_t *)SvIV ((SV *)SvRV (tmp));
456 return plugin_unregister_data_set (name);
457 } /* static int pplugin_unregister_data_set (char *) */
460 * Submit the values to the write functions.
464 * values => [ @values ],
468 * plugin_instance => $pinstance,
469 * type_instance => $tinstance,
472 static int pplugin_dispatch_values (char *name, HV *values)
474 value_list_t list = VALUE_LIST_INIT;
481 if ((NULL == name) || (NULL == values))
484 if ((NULL == (tmp = Perl_hv_fetch (perl, values, "values", 6, 0)))
485 || (! (SvROK (*tmp) && (SVt_PVAV == SvTYPE (SvRV (*tmp)))))) {
486 log_err ("pplugin_dispatch_values: No valid values given.");
491 AV *array = (AV *)SvRV (*tmp);
492 int len = Perl_av_len (perl, array) + 1;
494 val = (value_t *)smalloc (len * sizeof (value_t));
496 list.values_len = av2value (name, (AV *)SvRV (*tmp), val, len);
499 if (-1 == list.values_len) {
505 if (NULL != (tmp = Perl_hv_fetch (perl, values, "time", 4, 0))) {
506 list.time = (time_t)SvIV (*tmp);
509 list.time = time (NULL);
512 if (NULL != (tmp = Perl_hv_fetch (perl, values, "host", 4, 0))) {
513 strncpy (list.host, SvPV_nolen (*tmp), DATA_MAX_NAME_LEN);
514 list.host[DATA_MAX_NAME_LEN - 1] = '\0';
517 strcpy (list.host, hostname_g);
520 if (NULL != (tmp = Perl_hv_fetch (perl, values, "plugin", 6, 0))) {
521 strncpy (list.plugin, SvPV_nolen (*tmp), DATA_MAX_NAME_LEN);
522 list.plugin[DATA_MAX_NAME_LEN - 1] = '\0';
525 if (NULL != (tmp = Perl_hv_fetch (perl, values,
526 "plugin_instance", 15, 0))) {
527 strncpy (list.plugin_instance, SvPV_nolen (*tmp), DATA_MAX_NAME_LEN);
528 list.plugin_instance[DATA_MAX_NAME_LEN - 1] = '\0';
531 if (NULL != (tmp = Perl_hv_fetch (perl, values, "type_instance", 13, 0))) {
532 strncpy (list.type_instance, SvPV_nolen (*tmp), DATA_MAX_NAME_LEN);
533 list.type_instance[DATA_MAX_NAME_LEN - 1] = '\0';
536 ret = plugin_dispatch_values (name, &list);
540 } /* static int pplugin_dispatch_values (char *, HV *) */
543 * Call a plugin's working function.
545 static int pplugin_call (int type, char *name, SV *sub, va_list ap)
548 I32 xflags = G_NOARGS;
554 if ((type < 0) || (type >= PLUGIN_TYPES))
562 if (PLUGIN_WRITE == type) {
564 * $_[0] = $plugin_type;
579 * values => [ $v1, ... ],
583 * plugin_instance => $instance,
584 * type_instance => $type_instance
590 AV *pds = Perl_newAV (perl);
591 HV *pvl = Perl_newHV (perl);
593 ds = va_arg (ap, data_set_t *);
594 vl = va_arg (ap, value_list_t *);
596 if (-1 == data_set2av (ds, pds))
599 if (-1 == value_list2hv (vl, ds, pvl))
602 XPUSHs (sv_2mortal (Perl_newSVpv (perl, ds->type, 0)));
603 XPUSHs (sv_2mortal (Perl_newRV_noinc (perl, (SV *)pds)));
604 XPUSHs (sv_2mortal (Perl_newRV_noinc (perl, (SV *)pvl)));
608 else if (PLUGIN_LOG == type) {
614 XPUSHs (sv_2mortal (Perl_newSViv (perl, va_arg (ap, int))));
615 XPUSHs (sv_2mortal (Perl_newSVpv (perl, va_arg (ap, char *), 0)));
622 /* prevent an endless loop */
623 if (PLUGIN_LOG != type)
624 log_debug ("pplugin_call: executing %s::%s->%s()",
625 base_name, name, plugin_types[type]);
627 retvals = Perl_call_sv (perl, sub, G_SCALAR | xflags);
631 if (PLUGIN_LOG != type)
632 log_warn ("pplugin_call: "
633 "%s::%s->%s() returned void - assuming true",
634 base_name, name, plugin_types[type]);
646 } /* static int pplugin_call (int, char *, SV *, va_list) */
649 * Call all working functions of the given type.
651 static int pplugin_call_all (int type, ...)
658 if ((type < 0) || (type >= PLUGIN_TYPES))
661 if (0 == Perl_hv_iterinit (perl, plugins[type]))
664 while (NULL != (tmp = Perl_hv_iternextsv (perl, plugins[type],
673 p = (pplugin_t *)SvIV ((SV *)SvRV (tmp));
675 if (p->wait_left > 0)
676 p->wait_left -= interval_g;
678 if (p->wait_left > 0)
681 if (0 == (status = pplugin_call (type, plugin, p->sub, ap))) {
683 p->wait_time = interval_g;
685 else if (PLUGIN_READ == type) {
686 p->wait_left = p->wait_time;
689 if (p->wait_time > 86400)
690 p->wait_time = 86400;
692 log_warn ("%s::%s->read() failed. Will suspend it for %i seconds.",
693 base_name, plugin, p->wait_left);
695 else if (PLUGIN_INIT == type) {
698 log_err ("%s::%s->init() failed. Plugin will be disabled.",
699 base_name, plugin, status);
701 for (i = 0; i < PLUGIN_TYPES; ++i)
702 pplugin_unregister (i, plugin);
704 else if (PLUGIN_LOG != type) {
705 log_warn ("%s::%s->%s() failed with status %i.",
706 base_name, plugin, plugin_types[type], status);
712 } /* static int pplugin_call_all (int, ...) */
720 * Collectd::plugin_register (type, name, data).
723 * init, read, write, shutdown, data set
729 * reference to the plugin's subroutine that does the work or the data set
732 static XS (Collectd_plugin_register)
742 log_err ("Usage: Collectd::plugin_register(type, name, data)");
746 log_debug ("Collectd::plugin_register: "
747 "type = \"%i\", name = \"%s\", \"%s\"",
748 (int)SvIV (ST (0)), SvPV_nolen (ST (1)), SvPV_nolen (ST (2)));
750 type = (int)SvIV (ST (0));
753 if ((type >= 0) && (type < PLUGIN_TYPES)
754 && SvROK (data) && (SVt_PVCV == SvTYPE (SvRV (data)))) {
755 ret = pplugin_register (type, SvPV_nolen (ST (1)), data);
757 else if ((type == PLUGIN_DATASET)
758 && SvROK (data) && (SVt_PVAV == SvTYPE (SvRV (data)))) {
759 ret = pplugin_register_data_set (SvPV_nolen (ST (1)),
763 log_err ("Collectd::plugin_register: Invalid data.");
771 } /* static XS (Collectd_plugin_register) */
774 * Collectd::plugin_unregister (type, name).
777 * init, read, write, shutdown, data set
782 static XS (Collectd_plugin_unregister)
790 log_err ("Usage: Collectd::plugin_unregister(type, name)");
794 log_debug ("Collectd::plugin_unregister: type = \"%i\", name = \"%s\"",
795 (int)SvIV (ST (0)), SvPV_nolen (ST (1)));
797 type = (int)SvIV (ST (0));
799 if ((type >= 0) && (type < PLUGIN_TYPES)) {
800 ret = pplugin_unregister (type, SvPV_nolen (ST (1)));
802 else if (type == PLUGIN_DATASET) {
803 ret = pplugin_unregister_data_set (SvPV_nolen (ST (1)));
806 log_err ("Collectd::plugin_unregister: Invalid type.");
814 } /* static XS (Collectd_plugin_unregister) */
817 * Collectd::plugin_dispatch_values (name, values).
823 * value list to submit
825 static XS (Collectd_plugin_dispatch_values)
834 log_err ("Usage: Collectd::plugin_dispatch_values(name, values)");
838 log_debug ("Collectd::plugin_dispatch_values: "
839 "name = \"%s\", values=\"%s\"",
840 SvPV_nolen (ST (0)), SvPV_nolen (ST (1)));
844 if (! (SvROK (values) && (SVt_PVHV == SvTYPE (SvRV (values))))) {
845 log_err ("Collectd::plugin_dispatch_values: Invalid values.");
849 if ((NULL == ST (0)) || (NULL == values))
852 ret = pplugin_dispatch_values (SvPV_nolen (ST (0)), (HV *)SvRV (values));
858 } /* static XS (Collectd_plugin_dispatch_values) */
861 * Collectd::plugin_log (level, message).
864 * log level (LOG_DEBUG, ... LOG_ERR)
869 static XS (Collectd_plugin_log)
874 log_err ("Usage: Collectd::plugin_log(level, message)");
878 log_debug ("Collectd::plugin_log: level = %i, message = \"%s\"",
879 SvIV (ST (0)), SvPV_nolen (ST (1)));
880 plugin_log (SvIV (ST (0)), SvPV_nolen (ST (1)));
882 } /* static XS (Collectd_plugin_log) */
885 * Collectd::bootstrap ().
887 static XS (boot_Collectd)
890 char *file = __FILE__;
897 { "Collectd::TYPE_INIT", Perl_newSViv (perl, PLUGIN_INIT) },
898 { "Collectd::TYPE_READ", Perl_newSViv (perl, PLUGIN_READ) },
899 { "Collectd::TYPE_WRITE", Perl_newSViv (perl, PLUGIN_WRITE) },
900 { "Collectd::TYPE_SHUTDOWN", Perl_newSViv (perl, PLUGIN_SHUTDOWN) },
901 { "Collectd::TYPE_LOG", Perl_newSViv (perl, PLUGIN_LOG) },
902 { "Collectd::TYPE_DATASET", Perl_newSViv (perl, PLUGIN_DATASET) },
903 { "Collectd::DS_TYPE_COUNTER", Perl_newSViv (perl, DS_TYPE_COUNTER) },
904 { "Collectd::DS_TYPE_GAUGE", Perl_newSViv (perl, DS_TYPE_GAUGE) },
905 { "Collectd::LOG_ERR", Perl_newSViv (perl, LOG_ERR) },
906 { "Collectd::LOG_WARNING", Perl_newSViv (perl, LOG_WARNING) },
907 { "Collectd::LOG_NOTICE", Perl_newSViv (perl, LOG_NOTICE) },
908 { "Collectd::LOG_INFO", Perl_newSViv (perl, LOG_INFO) },
909 { "Collectd::LOG_DEBUG", Perl_newSViv (perl, LOG_DEBUG) },
917 if ((1 > items) || (2 < items)) {
918 log_err ("Usage: Collectd::bootstrap(name[, version])");
922 XS_VERSION_BOOTCHECK;
925 for (i = 0; NULL != api[i].f; ++i)
926 Perl_newXS (perl, api[i].name, api[i].f, file);
928 stash = Perl_gv_stashpv (perl, "Collectd", 1);
930 /* export "constants" */
931 for (i = 0; NULL != consts[i].value; ++i)
932 Perl_newCONSTSUB (perl, stash, consts[i].name, consts[i].value);
934 } /* static XS (boot_Collectd) */
938 * Interface to collectd.
941 static int perl_config (const char *key, const char *value)
943 log_debug ("perl_config: key = \"%s\", value=\"%s\"", key, value);
945 if (0 == strcasecmp (key, "LoadPlugin")) {
946 log_debug ("perl_config: loading perl plugin \"%s\"", value);
948 Perl_load_module (perl, PERL_LOADMOD_NOIMPORT,
949 Perl_newSVpvf (perl, "%s::%s", base_name, value),
952 else if (0 == strcasecmp (key, "BaseName")) {
953 log_debug ("perl_config: Setting plugin basename to \"%s\"", value);
954 strncpy (base_name, value, DATA_MAX_NAME_LEN);
955 base_name[DATA_MAX_NAME_LEN - 1] = '\0';
961 } /* static int perl_config (char *, char *) */
963 static int perl_init (void)
965 PERL_SET_CONTEXT (perl);
966 return pplugin_call_all (PLUGIN_INIT);
967 } /* static int perl_init (void) */
969 static int perl_read (void)
971 PERL_SET_CONTEXT (perl);
972 return pplugin_call_all (PLUGIN_READ);
973 } /* static int perl_read (void) */
975 static int perl_write (const data_set_t *ds, const value_list_t *vl)
977 PERL_SET_CONTEXT (perl);
978 return pplugin_call_all (PLUGIN_WRITE, ds, vl);
979 } /* static int perl_write (const data_set_t *, const value_list_t *) */
981 static void perl_log (int level, const char *msg)
983 PERL_SET_CONTEXT (perl);
984 pplugin_call_all (PLUGIN_LOG, level, msg);
986 } /* static void perl_log (int, const char *) */
988 static int perl_shutdown (void)
993 PERL_SET_CONTEXT (perl);
994 ret = pplugin_call_all (PLUGIN_SHUTDOWN);
996 for (i = 0; i < PLUGIN_TYPES; ++i) {
997 if (0 < Perl_hv_iterinit (perl, plugins[i])) {
1001 while (NULL != Perl_hv_iternextsv (perl, plugins[i], &k, &l)) {
1002 pplugin_unregister (i, k);
1006 Perl_hv_undef (perl, plugins[i]);
1009 if (0 < Perl_hv_iterinit (perl, data_sets)) {
1013 while (NULL != Perl_hv_iternextsv (perl, data_sets, &k, &l)) {
1014 pplugin_unregister_data_set (k);
1018 Perl_hv_undef (perl, data_sets);
1021 Perl_sv_report_used (perl);
1022 #endif /* COLLECT_DEBUG */
1024 perl_destruct (perl);
1029 } /* static void perl_shutdown (void) */
1031 static void xs_init (pTHX)
1033 char *file = __FILE__;
1037 /* build the Collectd module into the perl interpreter */
1038 Perl_newXS (perl, "Collectd::bootstrap", boot_Collectd, file);
1040 /* enable usage of Perl modules using shared libraries */
1041 Perl_newXS (perl, "DynaLoader::boot_DynaLoader", boot_DynaLoader, file);
1043 } /* static void xs_init (pTHX) */
1046 * Create the perl interpreter and register it with collectd.
1048 void module_register (void)
1050 char *embed_argv[] = { "", "-e", "bootstrap Collectd \""VERSION"\"", NULL };
1055 log_debug ("module_register: Registering perl plugin...");
1057 PERL_SYS_INIT3 (&argc, &argv, &environ);
1059 if (NULL == (perl = perl_alloc ())) {
1060 log_err ("module_register: Not enough memory.");
1063 perl_construct (perl);
1065 PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
1067 if (0 != perl_parse (perl, xs_init, embed_argc, embed_argv, NULL)) {
1068 log_err ("module_register: Unable to bootstrap Collectd.");
1073 for (i = 0; i < PLUGIN_TYPES; ++i)
1074 plugins[i] = Perl_newHV (perl);
1076 data_sets = Perl_newHV (perl);
1078 plugin_register_log ("perl", perl_log);
1079 plugin_register_config ("perl", perl_config, config_keys, config_keys_num);
1080 plugin_register_init ("perl", perl_init);
1081 plugin_register_read ("perl", perl_read);
1082 plugin_register_write ("perl", perl_write);
1083 plugin_register_shutdown ("perl", perl_shutdown);
1085 } /* void module_register (void) */
1087 /* vim: set sw=4 ts=4 tw=78 noexpandtab : */