diff --git a/src/perl.c b/src/perl.c
index 597368f1ae71884d661dbf0cd4b1713b1766a757..d9e1e00fb75f927341401058f85e3b53a68c0718 100644 (file)
--- a/src/perl.c
+++ b/src/perl.c
/* do not automatically get the thread specific perl interpreter */
#define PERL_NO_GET_CONTEXT
+#define DONT_POISON_SPRINTF_YET 1
#include "collectd.h"
+#undef DONT_POISON_SPRINTF_YET
#include "configfile.h"
#include <EXTERN.h>
#include <perl.h>
+#if defined(COLLECT_DEBUG) && COLLECT_DEBUG && defined(__GNUC__) && __GNUC__
+# pragma GCC poison sprintf
+#endif
+
#include <XSUB.h>
/* Some versions of Perl define their own version of DEBUG... :-/ */
#define PLUGIN_TYPES 7
+#define PLUGIN_CONFIG 254
#define PLUGIN_DATASET 255
#define log_debug(...) DEBUG ("perl: " __VA_ARGS__)
static XS (Collectd_plugin_register_ds);
static XS (Collectd_plugin_unregister_ds);
static XS (Collectd_plugin_dispatch_values);
-static XS (Collectd_plugin_flush_one);
-static XS (Collectd_plugin_flush_all);
+static XS (Collectd__plugin_flush);
static XS (Collectd_plugin_dispatch_notification);
static XS (Collectd_plugin_log);
static XS (Collectd_call_by_name);
{ "Collectd::plugin_register_data_set", Collectd_plugin_register_ds },
{ "Collectd::plugin_unregister_data_set", Collectd_plugin_unregister_ds },
{ "Collectd::plugin_dispatch_values", Collectd_plugin_dispatch_values },
- { "Collectd::plugin_flush_one", Collectd_plugin_flush_one },
- { "Collectd::plugin_flush_all", Collectd_plugin_flush_all },
+ { "Collectd::_plugin_flush", Collectd__plugin_flush },
{ "Collectd::plugin_dispatch_notification",
Collectd_plugin_dispatch_notification },
{ "Collectd::plugin_log", Collectd_plugin_log },
{ "Collectd::TYPE_LOG", PLUGIN_LOG },
{ "Collectd::TYPE_NOTIF", PLUGIN_NOTIF },
{ "Collectd::TYPE_FLUSH", PLUGIN_FLUSH },
+ { "Collectd::TYPE_CONFIG", PLUGIN_CONFIG },
{ "Collectd::TYPE_DATASET", PLUGIN_DATASET },
{ "Collectd::DS_TYPE_COUNTER", DS_TYPE_COUNTER },
{ "Collectd::DS_TYPE_GAUGE", DS_TYPE_GAUGE },
return -1;
if (NULL != (tmp = hv_fetch (hash, "name", 4, 0))) {
- strncpy (ds->name, SvPV_nolen (*tmp), DATA_MAX_NAME_LEN);
- ds->name[DATA_MAX_NAME_LEN - 1] = '\0';
+ sstrncpy (ds->name, SvPV_nolen (*tmp), sizeof (ds->name));
}
else {
log_err ("hv2data_source: No DS name given.");
newSVpv (vl->plugin_instance, 0), 0))
return -1;
+ if ('\0' != vl->type[0])
+ if (NULL == hv_store (hash, "type", 4, newSVpv (vl->type, 0), 0))
+ return -1;
+
if ('\0' != vl->type_instance[0])
if (NULL == hv_store (hash, "type_instance", 13,
newSVpv (vl->type_instance, 0), 0))
return 0;
} /* static int notification2hv (notification_t *, HV *) */
+static int oconfig_item2hv (pTHX_ oconfig_item_t *ci, HV *hash)
+{
+ int i;
+
+ AV *values;
+ AV *children;
+
+ if (NULL == hv_store (hash, "key", 3, newSVpv (ci->key, 0), 0))
+ return -1;
+
+ values = newAV ();
+ if (0 < ci->values_num)
+ av_extend (values, ci->values_num);
+
+ if (NULL == hv_store (hash, "values", 6, newRV_noinc ((SV *)values), 0)) {
+ av_clear (values);
+ av_undef (values);
+ return -1;
+ }
+
+ for (i = 0; i < ci->values_num; ++i) {
+ SV *value;
+
+ switch (ci->values[i].type) {
+ case OCONFIG_TYPE_STRING:
+ value = newSVpv (ci->values[i].value.string, 0);
+ break;
+ case OCONFIG_TYPE_NUMBER:
+ value = newSVnv ((NV)ci->values[i].value.number);
+ break;
+ case OCONFIG_TYPE_BOOLEAN:
+ value = ci->values[i].value.boolean ? &PL_sv_yes : &PL_sv_no;
+ break;
+ default:
+ log_err ("oconfig_item2hv: Invalid value type %i.",
+ ci->values[i].type);
+ value = &PL_sv_undef;
+ }
+
+ if (NULL == av_store (values, i, value)) {
+ sv_free (value);
+ return -1;
+ }
+ }
+
+ /* ignoring 'parent' member which is uninteresting in this case */
+
+ children = newAV ();
+ if (0 < ci->children_num)
+ av_extend (children, ci->children_num);
+
+ if (NULL == hv_store (hash, "children", 8, newRV_noinc ((SV *)children), 0)) {
+ av_clear (children);
+ av_undef (children);
+ return -1;
+ }
+
+ for (i = 0; i < ci->children_num; ++i) {
+ HV *child = newHV ();
+
+ if (0 != oconfig_item2hv (aTHX_ ci->children + i, child)) {
+ hv_clear (child);
+ hv_undef (child);
+ return -1;
+ }
+
+ if (NULL == av_store (children, i, newRV_noinc ((SV *)child))) {
+ hv_clear (child);
+ hv_undef (child);
+ return -1;
+ }
+ }
+ return 0;
+} /* static int oconfig_item2hv (pTHX_ oconfig_item_t *, HV *) */
+
/*
* Internal functions.
*/
static char *get_module_name (char *buf, size_t buf_len, const char *module) {
int status = 0;
if (base_name[0] == '\0')
- status = snprintf (buf, buf_len, "%s", module);
+ status = ssnprintf (buf, buf_len, "%s", module);
else
- status = snprintf (buf, buf_len, "%s::%s", base_name, module);
+ status = ssnprintf (buf, buf_len, "%s::%s", base_name, module);
if ((status < 0) || ((unsigned int)status >= buf_len))
return (NULL);
- buf[buf_len - 1] = '\0';
return (buf);
} /* char *get_module_name */
ds[i].name, ds[i].type, ds[i].min, ds[i].max);
}
- strncpy (set->type, name, DATA_MAX_NAME_LEN);
- set->type[DATA_MAX_NAME_LEN - 1] = '\0';
+ sstrncpy (set->type, name, sizeof (set->type));
set->ds_num = len + 1;
set->ds = ds;
* type_instance => $tinstance,
* }
*/
-static int pplugin_dispatch_values (pTHX_ char *name, HV *values)
+static int pplugin_dispatch_values (pTHX_ HV *values)
{
value_list_t list = VALUE_LIST_INIT;
value_t *val = NULL;
int ret = 0;
- if ((NULL == name) || (NULL == values))
+ if (NULL == values)
return -1;
+ if (NULL == (tmp = hv_fetch (values, "type", 4, 0))) {
+ log_err ("pplugin_dispatch_values: No type given.");
+ return -1;
+ }
+
+ sstrncpy (list.type, SvPV_nolen (*tmp), sizeof (list.type));
+
if ((NULL == (tmp = hv_fetch (values, "values", 6, 0)))
|| (! (SvROK (*tmp) && (SVt_PVAV == SvTYPE (SvRV (*tmp)))))) {
log_err ("pplugin_dispatch_values: No valid values given.");
val = (value_t *)smalloc (len * sizeof (value_t));
- list.values_len = av2value (aTHX_ name, (AV *)SvRV (*tmp), val, len);
+ list.values_len = av2value (aTHX_ list.type, (AV *)SvRV (*tmp),
+ val, len);
list.values = val;
if (-1 == list.values_len) {
}
if (NULL != (tmp = hv_fetch (values, "host", 4, 0))) {
- strncpy (list.host, SvPV_nolen (*tmp), DATA_MAX_NAME_LEN);
- list.host[DATA_MAX_NAME_LEN - 1] = '\0';
+ sstrncpy (list.host, SvPV_nolen (*tmp), sizeof (list.host));
}
else {
sstrncpy (list.host, hostname_g, sizeof (list.host));
}
- if (NULL != (tmp = hv_fetch (values, "plugin", 6, 0))) {
- strncpy (list.plugin, SvPV_nolen (*tmp), DATA_MAX_NAME_LEN);
- list.plugin[DATA_MAX_NAME_LEN - 1] = '\0';
- }
+ if (NULL != (tmp = hv_fetch (values, "plugin", 6, 0)))
+ sstrncpy (list.plugin, SvPV_nolen (*tmp), sizeof (list.plugin));
- if (NULL != (tmp = hv_fetch (values, "plugin_instance", 15, 0))) {
- strncpy (list.plugin_instance, SvPV_nolen (*tmp), DATA_MAX_NAME_LEN);
- list.plugin_instance[DATA_MAX_NAME_LEN - 1] = '\0';
- }
+ if (NULL != (tmp = hv_fetch (values, "plugin_instance", 15, 0)))
+ sstrncpy (list.plugin_instance, SvPV_nolen (*tmp),
+ sizeof (list.plugin_instance));
- if (NULL != (tmp = hv_fetch (values, "type_instance", 13, 0))) {
- strncpy (list.type_instance, SvPV_nolen (*tmp), DATA_MAX_NAME_LEN);
- list.type_instance[DATA_MAX_NAME_LEN - 1] = '\0';
- }
+ if (NULL != (tmp = hv_fetch (values, "type_instance", 13, 0)))
+ sstrncpy (list.type_instance, SvPV_nolen (*tmp),
+ sizeof (list.type_instance));
- ret = plugin_dispatch_values (name, &list);
+ ret = plugin_dispatch_values (&list);
sfree (val);
return ret;
n.time = time (NULL);
if (NULL != (tmp = hv_fetch (notif, "message", 7, 0)))
- strncpy (n.message, SvPV_nolen (*tmp), sizeof (n.message));
- n.message[sizeof (n.message) - 1] = '\0';
+ sstrncpy (n.message, SvPV_nolen (*tmp), sizeof (n.message));
if (NULL != (tmp = hv_fetch (notif, "host", 4, 0)))
- strncpy (n.host, SvPV_nolen (*tmp), sizeof (n.host));
+ sstrncpy (n.host, SvPV_nolen (*tmp), sizeof (n.host));
else
- strncpy (n.host, hostname_g, sizeof (n.host));
- n.host[sizeof (n.host) - 1] = '\0';
+ sstrncpy (n.host, hostname_g, sizeof (n.host));
if (NULL != (tmp = hv_fetch (notif, "plugin", 6, 0)))
- strncpy (n.plugin, SvPV_nolen (*tmp), sizeof (n.plugin));
- n.plugin[sizeof (n.plugin) - 1] = '\0';
+ sstrncpy (n.plugin, SvPV_nolen (*tmp), sizeof (n.plugin));
if (NULL != (tmp = hv_fetch (notif, "plugin_instance", 15, 0)))
- strncpy (n.plugin_instance, SvPV_nolen (*tmp),
+ sstrncpy (n.plugin_instance, SvPV_nolen (*tmp),
sizeof (n.plugin_instance));
- n.plugin_instance[sizeof (n.plugin_instance) - 1] = '\0';
if (NULL != (tmp = hv_fetch (notif, "type", 4, 0)))
- strncpy (n.type, SvPV_nolen (*tmp), sizeof (n.type));
- n.type[sizeof (n.type) - 1] = '\0';
+ sstrncpy (n.type, SvPV_nolen (*tmp), sizeof (n.type));
if (NULL != (tmp = hv_fetch (notif, "type_instance", 13, 0)))
- strncpy (n.type_instance, SvPV_nolen (*tmp), sizeof (n.type_instance));
- n.type_instance[sizeof (n.type_instance) - 1] = '\0';
+ sstrncpy (n.type_instance, SvPV_nolen (*tmp), sizeof (n.type_instance));
return plugin_dispatch_notification (&n);
} /* static int pplugin_dispatch_notification (HV *) */
* time => $time,
* host => $hostname,
* plugin => $plugin,
+ * type => $type,
* plugin_instance => $instance,
* type_instance => $type_instance
* };
else if (PLUGIN_FLUSH == type) {
/*
* $_[0] = $timeout;
+ * $_[1] = $identifier;
*/
XPUSHs (sv_2mortal (newSViv (va_arg (ap, int))));
+ XPUSHs (sv_2mortal (newSVpv (va_arg (ap, char *), 0)));
}
PUTBACK;
*/
static XS (Collectd_plugin_dispatch_values)
{
- SV *values = NULL;
+ SV *values = NULL;
+ int values_idx = 0;
int ret = 0;
dXSARGS;
- if (2 != items) {
- log_err ("Usage: Collectd::plugin_dispatch_values(name, values)");
+ if (2 == items) {
+ log_warn ("Collectd::plugin_dispatch_values with two arguments "
+ "is deprecated - pass the type through values->{type}.");
+ values_idx = 1;
+ }
+ else if (1 != items) {
+ log_err ("Usage: Collectd::plugin_dispatch_values(values)");
XSRETURN_EMPTY;
}
- log_debug ("Collectd::plugin_dispatch_values: "
- "name = \"%s\", values=\"%s\"",
- SvPV_nolen (ST (0)), SvPV_nolen (ST (1)));
+ log_debug ("Collectd::plugin_dispatch_values: values=\"%s\"",
+ SvPV_nolen (ST (values_idx)));
- values = ST (1);
+ values = ST (values_idx);
if (! (SvROK (values) && (SVt_PVHV == SvTYPE (SvRV (values))))) {
log_err ("Collectd::plugin_dispatch_values: Invalid values.");
XSRETURN_EMPTY;
}
- if ((NULL == ST (0)) || (NULL == values))
+ if (((2 == items) && (NULL == ST (0))) || (NULL == values))
XSRETURN_EMPTY;
- ret = pplugin_dispatch_values (aTHX_ SvPV_nolen (ST (0)),
- (HV *)SvRV (values));
+ if ((2 == items) && (NULL == hv_store ((HV *)SvRV (values), "type", 4,
+ newSVsv (ST (0)), 0))) {
+ log_err ("Collectd::plugin_dispatch_values: Could not store type.");
+ XSRETURN_EMPTY;
+ }
+
+ ret = pplugin_dispatch_values (aTHX_ (HV *)SvRV (values));
if (0 == ret)
XSRETURN_YES;
} /* static XS (Collectd_plugin_dispatch_values) */
/*
- * Collectd::plugin_flush_one (timeout, name).
+ * Collectd::_plugin_flush (plugin, timeout, identifier).
+ *
+ * plugin:
+ * name of the plugin to flush
*
* timeout:
* timeout to use when flushing the data
*
- * name:
- * name of the plugin to flush
+ * identifier:
+ * data-set identifier to flush
*/
-static XS (Collectd_plugin_flush_one)
+static XS (Collectd__plugin_flush)
{
+ char *plugin = NULL;
+ int timeout = -1;
+ char *id = NULL;
+
dXSARGS;
- if (2 != items) {
- log_err ("Usage: Collectd::plugin_flush_one(timeout, name)");
+ if (3 != items) {
+ log_err ("Usage: Collectd::_plugin_flush(plugin, timeout, id)");
XSRETURN_EMPTY;
}
- log_debug ("Collectd::plugin_flush_one: timeout = %i, name = \"%s\"",
- (int)SvIV (ST (0)), SvPV_nolen (ST (1)));
+ if (SvOK (ST (0)))
+ plugin = SvPV_nolen (ST (0));
- if (0 == plugin_flush_one ((int)SvIV (ST (0)), SvPV_nolen (ST (1))))
- XSRETURN_YES;
- else
- XSRETURN_EMPTY;
-} /* static XS (Collectd_plugin_flush_one) */
+ if (SvOK (ST (1)))
+ timeout = (int)SvIV (ST (1));
-/*
- * Collectd::plugin_flush_all (timeout).
- *
- * timeout:
- * timeout to use when flushing the data
- */
-static XS (Collectd_plugin_flush_all)
-{
- dXSARGS;
-
- if (1 != items) {
- log_err ("Usage: Collectd::plugin_flush_all(timeout)");
- XSRETURN_EMPTY;
- }
+ if (SvOK (ST (2)))
+ id = SvPV_nolen (ST (2));
- log_debug ("Collectd::plugin_flush_all: timeout = %i", (int)SvIV (ST (0)));
+ log_debug ("Collectd::_plugin_flush: plugin = \"%s\", timeout = %i, "
+ "id = \"%s\"", plugin, timeout, id);
- plugin_flush_all ((int)SvIV (ST (0)));
- XSRETURN_YES;
-} /* static XS (Collectd_plugin_flush_all) */
+ if (0 == plugin_flush (plugin, timeout, id))
+ XSRETURN_YES;
+ else
+ XSRETURN_EMPTY;
+} /* static XS (Collectd__plugin_flush) */
/*
* Collectd::plugin_dispatch_notification (notif).
return pplugin_call_all (aTHX_ PLUGIN_NOTIF, notif);
} /* static int perl_notify (const notification_t *) */
-static int perl_flush (const int timeout)
+static int perl_flush (int timeout, const char *identifier)
{
dTHX;
aTHX = t->interp;
}
- return pplugin_call_all (aTHX_ PLUGIN_FLUSH, timeout);
+ return pplugin_call_all (aTHX_ PLUGIN_FLUSH, timeout, identifier);
} /* static int perl_flush (const int) */
static int perl_shutdown (void)
static int g_pv_set (pTHX_ SV *var, MAGIC *mg)
{
char *pv = mg->mg_ptr;
- strncpy (pv, SvPV_nolen (var), DATA_MAX_NAME_LEN);
- pv[DATA_MAX_NAME_LEN - 1] = '\0';
+ sstrncpy (pv, SvPV_nolen (var), DATA_MAX_NAME_LEN);
return 0;
} /* static int g_pv_set (pTHX_ SV *, MAGIC *) */
PL_exit_flags |= PERL_EXIT_DESTRUCT_END;
if (0 != perl_parse (aTHX_ xs_init, argc, argv, NULL)) {
- log_err ("init_pi: Unable to bootstrap Collectd.");
+ SV *err = get_sv ("@", 1);
+ log_err ("init_pi: Unable to bootstrap Collectd: %s",
+ SvPV_nolen (err));
perl_destruct (perl_threads->head->interp);
perl_free (perl_threads->head->interp);
value = ci->values[0].value.string;
log_debug ("perl_config: Setting plugin basename to \"%s\"", value);
- strncpy (base_name, value, sizeof (base_name));
- base_name[sizeof (base_name) - 1] = '\0';
+ sstrncpy (base_name, value, sizeof (base_name));
return 0;
} /* static int perl_config_basename (oconfig_item_it *) */
return 0;
} /* static int perl_config_includedir (oconfig_item_it *) */
+/*
+ * <Plugin> block
+ */
+static int perl_config_plugin (pTHX_ oconfig_item_t *ci)
+{
+ int retvals = 0;
+ int ret = 0;
+
+ char *plugin;
+ HV *config;
+
+ dSP;
+
+ if ((1 != ci->values_num) || (OCONFIG_TYPE_STRING != ci->values[0].type)) {
+ log_err ("LoadPlugin expects a single string argument.");
+ return 1;
+ }
+
+ plugin = ci->values[0].value.string;
+ config = newHV ();
+
+ if (0 != oconfig_item2hv (aTHX_ ci, config)) {
+ hv_clear (config);
+ hv_undef (config);
+
+ log_err ("Unable to convert configuration to a Perl hash value.");
+ config = Nullhv;
+ }
+
+ ENTER;
+ SAVETMPS;
+
+ PUSHMARK (SP);
+
+ XPUSHs (sv_2mortal (newSVpv (plugin, 0)));
+ XPUSHs (sv_2mortal (newRV_noinc ((SV *)config)));
+
+ PUTBACK;
+
+ retvals = call_pv ("Collectd::_plugin_dispatch_config", G_SCALAR);
+
+ SPAGAIN;
+ if (0 < retvals) {
+ SV *tmp = POPs;
+ if (! SvTRUE (tmp))
+ ret = 1;
+ }
+ else
+ ret = 1;
+
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
+ return ret;
+} /* static int perl_config_plugin (oconfig_item_it *) */
+
static int perl_config (oconfig_item_t *ci)
{
+ int status = 0;
int i = 0;
- dTHX;
-
- /* dTHX does not get any valid values in case Perl
- * has not been initialized */
- if (NULL == perl_threads)
- aTHX = NULL;
+ dTHXa (NULL);
for (i = 0; i < ci->children_num; ++i) {
oconfig_item_t *c = ci->children + i;
+ int current_status;
+
+ if (NULL != perl_threads)
+ aTHX = PERL_GET_CONTEXT;
if (0 == strcasecmp (c->key, "LoadPlugin"))
- perl_config_loadplugin (aTHX_ c);
+ current_status = perl_config_loadplugin (aTHX_ c);
else if (0 == strcasecmp (c->key, "BaseName"))
- perl_config_basename (aTHX_ c);
+ current_status = perl_config_basename (aTHX_ c);
else if (0 == strcasecmp (c->key, "EnableDebugger"))
- perl_config_enabledebugger (aTHX_ c);
+ current_status = perl_config_enabledebugger (aTHX_ c);
else if (0 == strcasecmp (c->key, "IncludeDir"))
- perl_config_includedir (aTHX_ c);
+ current_status = perl_config_includedir (aTHX_ c);
+ else if (0 == strcasecmp (c->key, "Plugin"))
+ current_status = perl_config_plugin (aTHX_ c);
else
+ {
log_warn ("Ignoring unknown config key \"%s\".", c->key);
+ current_status = 0;
+ }
+
+ /* fatal error - it's up to perl_config_* to clean up */
+ if (0 > current_status) {
+ log_err ("Configuration failed with a fatal error - "
+ "plugin disabled!");
+ return current_status;
+ }
+
+ status += current_status;
}
- return 0;
+ return status;
} /* static int perl_config (oconfig_item_t *) */
void module_register (void)