static int rc_read (void)
{
int status;
rrdc_stats_t *head;
rrdc_stats_t *ptr;
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
if (daemon_address == NULL)
return (-1);
if (!config_collect_stats)
return (-1);
vl.values = values;
vl.values_len = 1;
if ((strncmp ("unix:", daemon_address, strlen ("unix:")) == 0)
|| (daemon_address[0] == '/'))
sstrncpy (vl.host, hostname_g, sizeof (vl.host));
else
sstrncpy (vl.host, daemon_address, sizeof (vl.host));
sstrncpy (vl.plugin, "rrdcached", sizeof (vl.plugin));
status = rrdc_connect (daemon_address);
if (status != 0)
{
ERROR ("rrdcached plugin: rrdc_connect (%s) failed with status %i.",
daemon_address, status);
return (-1);
}
head = NULL;
status = rrdc_stats_get (&head);
if (status != 0)
{
ERROR ("rrdcached plugin: rrdc_stats_get failed with status %i.", status);
return (-1);
}
for (ptr = head; ptr != NULL; ptr = ptr->next)
{
if (ptr->type == RRDC_STATS_TYPE_GAUGE)
values[0].gauge = (gauge_t) ptr->value.gauge;
else if (ptr->type == RRDC_STATS_TYPE_COUNTER)
values[0].counter = (counter_t) ptr->value.counter;
else
continue;
if (strcasecmp ("QueueLength", ptr->name) == 0)
{
sstrncpy (vl.type, "queue_length", sizeof (vl.type));
sstrncpy (vl.type_instance, "", sizeof (vl.type_instance));
}
else if (strcasecmp ("UpdatesWritten", ptr->name) == 0)
{
sstrncpy (vl.type, "operations", sizeof (vl.type));
sstrncpy (vl.type_instance, "write-updates", sizeof (vl.type_instance));
}
else if (strcasecmp ("DataSetsWritten", ptr->name) == 0)
{
sstrncpy (vl.type, "operations", sizeof (vl.type));
sstrncpy (vl.type_instance, "write-data_sets",
sizeof (vl.type_instance));
}
else if (strcasecmp ("TreeNodesNumber", ptr->name) == 0)
{
sstrncpy (vl.type, "gauge", sizeof (vl.type));
sstrncpy (vl.type_instance, "tree_nodes", sizeof (vl.type_instance));
}
else if (strcasecmp ("TreeDepth", ptr->name) == 0)
{
sstrncpy (vl.type, "gauge", sizeof (vl.type));
sstrncpy (vl.type_instance, "tree_depth", sizeof (vl.type_instance));
}
else if (strcasecmp ("FlushesReceived", ptr->name) == 0)
{
sstrncpy (vl.type, "operations", sizeof (vl.type));
sstrncpy (vl.type_instance, "receive-flush", sizeof (vl.type_instance));
}
else if (strcasecmp ("JournalBytes", ptr->name) == 0)
{
sstrncpy (vl.type, "counter", sizeof (vl.type));
sstrncpy (vl.type_instance, "journal-bytes", sizeof (vl.type_instance));
}
else if (strcasecmp ("JournalRotate", ptr->name) == 0)
{
sstrncpy (vl.type, "counter", sizeof (vl.type));
sstrncpy (vl.type_instance, "journal-rotates", sizeof (vl.type_instance));
}
else if (strcasecmp ("UpdatesReceived", ptr->name) == 0)
{
sstrncpy (vl.type, "operations", sizeof (vl.type));
sstrncpy (vl.type_instance, "receive-update", sizeof (vl.type_instance));
}
else
{
DEBUG ("rrdcached plugin: rc_read: Unknown statistic `%s'.", ptr->name);
continue;
}
plugin_dispatch_values (&vl);
} /* for (ptr = head; ptr != NULL; ptr = ptr->next) */
rrdc_stats_free (head);
return (0);
} /* int rc_read */
static int rc_read (void)
{
int status;
rrdc_stats_t *head;
_Bool retried = 0;
value_list_t vl = VALUE_LIST_INIT;
vl.values = &(value_t) { .gauge = NAN };
vl.values_len = 1;
if (daemon_address == NULL)
return (-1);
if (!config_collect_stats)
return (-1);
if ((strncmp ("unix:", daemon_address, strlen ("unix:")) != 0)
&& (daemon_address[0] != '/'))
sstrncpy (vl.host, daemon_address, sizeof (vl.host));
sstrncpy (vl.plugin, "rrdcached", sizeof (vl.plugin));
rrd_clear_error ();
status = rrdc_connect (daemon_address);
if (status != 0)
{
ERROR ("rrdcached plugin: Failed to connect to RRDCacheD "
"at %s: %s (status=%d)", daemon_address, rrd_get_error (), status);
return (-1);
}
while (42)
{
/* The RRD client lib does not provide any means for checking a
* connection, hence we'll have to retry upon failed operations. */
head = NULL;
rrd_clear_error ();
status = rrdc_stats_get (&head);
if (status == 0)
break;
if (!retried)
{
retried = 1;
if (try_reconnect () == 0)
continue;
/* else: report the error and fail */
}
ERROR ("rrdcached plugin: rrdc_stats_get failed: %s (status=%i).",
rrd_get_error (), status);
return (-1);
}
for (rrdc_stats_t *ptr = head; ptr != NULL; ptr = ptr->next)
{
if (ptr->type == RRDC_STATS_TYPE_GAUGE)
vl.values[0].gauge = (gauge_t) ptr->value.gauge;
else if (ptr->type == RRDC_STATS_TYPE_COUNTER)
vl.values[0].counter = (counter_t) ptr->value.counter;
else
continue;
if (strcasecmp ("QueueLength", ptr->name) == 0)
{
sstrncpy (vl.type, "queue_length", sizeof (vl.type));
sstrncpy (vl.type_instance, "", sizeof (vl.type_instance));
}
else if (strcasecmp ("UpdatesWritten", ptr->name) == 0)
{
sstrncpy (vl.type, "operations", sizeof (vl.type));
sstrncpy (vl.type_instance, "write-updates", sizeof (vl.type_instance));
}
else if (strcasecmp ("DataSetsWritten", ptr->name) == 0)
{
sstrncpy (vl.type, "operations", sizeof (vl.type));
sstrncpy (vl.type_instance, "write-data_sets",
sizeof (vl.type_instance));
}
else if (strcasecmp ("TreeNodesNumber", ptr->name) == 0)
{
sstrncpy (vl.type, "gauge", sizeof (vl.type));
sstrncpy (vl.type_instance, "tree_nodes", sizeof (vl.type_instance));
}
else if (strcasecmp ("TreeDepth", ptr->name) == 0)
{
sstrncpy (vl.type, "gauge", sizeof (vl.type));
sstrncpy (vl.type_instance, "tree_depth", sizeof (vl.type_instance));
}
else if (strcasecmp ("FlushesReceived", ptr->name) == 0)
{
sstrncpy (vl.type, "operations", sizeof (vl.type));
sstrncpy (vl.type_instance, "receive-flush", sizeof (vl.type_instance));
}
else if (strcasecmp ("JournalBytes", ptr->name) == 0)
{
sstrncpy (vl.type, "counter", sizeof (vl.type));
sstrncpy (vl.type_instance, "journal-bytes", sizeof (vl.type_instance));
}
else if (strcasecmp ("JournalRotate", ptr->name) == 0)
{
sstrncpy (vl.type, "counter", sizeof (vl.type));
sstrncpy (vl.type_instance, "journal-rotates", sizeof (vl.type_instance));
}
else if (strcasecmp ("UpdatesReceived", ptr->name) == 0)
{
sstrncpy (vl.type, "operations", sizeof (vl.type));
sstrncpy (vl.type_instance, "receive-update", sizeof (vl.type_instance));
}
else
{
DEBUG ("rrdcached plugin: rc_read: Unknown statistic `%s'.", ptr->name);
continue;
}
plugin_dispatch_values (&vl);
} /* for (ptr = head; ptr != NULL; ptr = ptr->next) */
rrdc_stats_free (head);
return (0);
} /* int rc_read */
