#include "collectd.h"
#include "plugin.h"
#include "common.h"
+#include "utils_rrdcreate.h"
+#undef HAVE_CONFIG_H
+#include <rrd.h>
#include <rrd_client.h>
/*
* Private variables
*/
-static const char *config_keys[] =
+static char *datadir = NULL;
+static char *daemon_address = NULL;
+static int config_create_files = 1;
+static int config_collect_stats = 1;
+static rrdcreate_config_t rrdcreate_config =
{
- "DaemonAddress",
- "DataDir"
+ /* stepsize = */ 0,
+ /* heartbeat = */ 0,
+ /* rrarows = */ 1200,
+ /* xff = */ 0.1,
+
+ /* timespans = */ NULL,
+ /* timespans_num = */ 0,
+
+ /* consolidation_functions = */ NULL,
+ /* consolidation_functions_num = */ 0
};
-static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
-static char *datadir = NULL;
-static char *daemon_address = NULL;
+/*
+ * Prototypes.
+ */
+static int rc_write (const data_set_t *ds, const value_list_t *vl,
+ user_data_t __attribute__((unused)) *user_data);
+static int rc_flush (__attribute__((unused)) cdtime_t timeout,
+ const char *identifier, __attribute__((unused)) user_data_t *ud);
static int value_list_to_string (char *buffer, int buffer_len,
const data_set_t *ds, const value_list_t *vl)
int offset;
int status;
int i;
+ time_t t;
assert (0 == strcmp (ds->type, vl->type));
memset (buffer, '\0', buffer_len);
- status = ssnprintf (buffer, buffer_len, "%u", (unsigned int) vl->time);
+ t = CDTIME_T_TO_TIME_T (vl->time);
+ status = ssnprintf (buffer, buffer_len, "%lu", (unsigned long) t);
if ((status < 1) || (status >= buffer_len))
return (-1);
offset = status;
for (i = 0; i < ds->ds_num; i++)
{
if ((ds->ds[i].type != DS_TYPE_COUNTER)
- && (ds->ds[i].type != DS_TYPE_GAUGE))
+ && (ds->ds[i].type != DS_TYPE_GAUGE)
+ && (ds->ds[i].type != DS_TYPE_DERIVE)
+ && (ds->ds[i].type != DS_TYPE_ABSOLUTE))
return (-1);
if (ds->ds[i].type == DS_TYPE_COUNTER)
{
status = ssnprintf (buffer + offset, buffer_len - offset,
- ",%llu", vl->values[i].counter);
+ ":%llu", vl->values[i].counter);
}
- else /* if (ds->ds[i].type == DS_TYPE_GAUGE) */
+ else if (ds->ds[i].type == DS_TYPE_GAUGE)
{
status = ssnprintf (buffer + offset, buffer_len - offset,
- ",%lf", vl->values[i].gauge);
+ ":%f", vl->values[i].gauge);
+ }
+ else if (ds->ds[i].type == DS_TYPE_DERIVE) {
+ status = ssnprintf (buffer + offset, buffer_len - offset,
+ ":%"PRIi64, vl->values[i].derive);
+ }
+ else /* if (ds->ds[i].type == DS_TYPE_ABSOLUTE) */ {
+ status = ssnprintf (buffer + offset, buffer_len - offset,
+ ":%"PRIu64, vl->values[i].absolute);
+
}
if ((status < 1) || (status >= (buffer_len - offset)))
return (0);
} /* int value_list_to_filename */
-static int rc_config (const char *key, const char *value)
+static const char *config_get_string (oconfig_item_t *ci)
{
- if (strcasecmp ("DataDir", key) == 0)
+ if ((ci->children_num != 0) || (ci->values_num != 1)
+ || ((ci->values[0].type != OCONFIG_TYPE_STRING)
+ && (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)))
{
- if (datadir != NULL)
- free (datadir);
- datadir = strdup (value);
- if (datadir != NULL)
+ ERROR ("rrdcached plugin: %s expects a single string argument.",
+ ci->key);
+ return (NULL);
+ }
+
+ if (ci->values[0].type == OCONFIG_TYPE_BOOLEAN) {
+ if (ci->values[0].value.boolean)
+ return "true";
+ else
+ return "false";
+ }
+ return (ci->values[0].value.string);
+} /* const char *config_get_string */
+
+static int rc_config (oconfig_item_t *ci)
+{
+ int i;
+
+ for (i = 0; i < ci->children_num; ++i) {
+ const char *key = ci->children[i].key;
+ const char *value = config_get_string (ci->children + i);
+
+ if (value == NULL) /* config_get_strings prints error message */
+ continue;
+
+ if (strcasecmp ("DataDir", key) == 0)
{
- int len = strlen (datadir);
- while ((len > 0) && (datadir[len - 1] == '/'))
+ if (datadir != NULL)
+ free (datadir);
+ datadir = strdup (value);
+ if (datadir != NULL)
{
- len--;
- datadir[len] = '\0';
+ int len = strlen (datadir);
+ while ((len > 0) && (datadir[len - 1] == '/'))
+ {
+ len--;
+ datadir[len] = '\0';
+ }
+ if (len <= 0)
+ {
+ free (datadir);
+ datadir = NULL;
+ }
}
- if (len <= 0)
+ }
+ else if (strcasecmp ("DaemonAddress", key) == 0)
+ {
+ sfree (daemon_address);
+ daemon_address = strdup (value);
+ if (daemon_address == NULL)
{
- free (datadir);
- datadir = NULL;
+ ERROR ("rrdcached plugin: strdup failed.");
+ continue;
}
}
- }
- else if (strcasecmp ("DaemonAddress", key) == 0)
- {
- sfree (daemon_address);
- daemon_address = strdup (value);
- if (daemon_address == NULL)
+ else if (strcasecmp ("CreateFiles", key) == 0)
{
- ERROR ("rrdcached plugin: strdup failed.");
- return (1);
+ if (IS_FALSE (value))
+ config_create_files = 0;
+ else
+ config_create_files = 1;
+ }
+ else if (strcasecmp ("CollectStatistics", key) == 0)
+ {
+ if (IS_FALSE (value))
+ config_collect_stats = 0;
+ else
+ config_collect_stats = 1;
+ }
+ else
+ {
+ WARNING ("rrdcached plugin: Ignoring invalid option %s.", key);
+ continue;
}
}
+
+ if (daemon_address != NULL) {
+ plugin_register_write ("rrdcached", rc_write, /* user_data = */ NULL);
+ plugin_register_flush ("rrdcached", rc_flush, /* user_data = */ NULL);
+ }
+ return (0);
+} /* int rc_config */
+
+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 == 0)
+ 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));
+
+ 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_config */
+} /* int rc_read */
+
+static int rc_init (void)
+{
+ if (config_collect_stats != 0)
+ plugin_register_read ("rrdcached", rc_read);
-static int rc_write (const data_set_t *ds, const value_list_t *vl)
+ return (0);
+} /* int rc_init */
+
+static int rc_write (const data_set_t *ds, const value_list_t *vl,
+ user_data_t __attribute__((unused)) *user_data)
{
- char filename[512];
+ char filename[PATH_MAX];
char values[512];
char *values_array[2];
int status;
values_array[0] = values;
values_array[1] = NULL;
- /* TODO: Check if the file exists. */
+ if (config_create_files != 0)
+ {
+ struct stat statbuf;
+
+ status = stat (filename, &statbuf);
+ if (status != 0)
+ {
+ if (errno != ENOENT)
+ {
+ char errbuf[1024];
+ ERROR ("rrdcached plugin: stat (%s) failed: %s",
+ filename, sstrerror (errno, errbuf, sizeof (errbuf)));
+ return (-1);
+ }
+
+ status = cu_rrd_create_file (filename, ds, vl, &rrdcreate_config);
+ if (status != 0)
+ {
+ ERROR ("rrdcached plugin: cu_rrd_create_file (%s) failed.",
+ filename);
+ return (-1);
+ }
+ }
+ }
status = rrdc_connect (daemon_address);
if (status != 0)
return (0);
} /* int rc_write */
+static int rc_flush (__attribute__((unused)) cdtime_t timeout, /* {{{ */
+ const char *identifier,
+ __attribute__((unused)) user_data_t *ud)
+{
+ char filename[PATH_MAX + 1];
+ int status;
+
+ if (identifier == NULL)
+ return (EINVAL);
+
+ if (datadir != NULL)
+ ssnprintf (filename, sizeof (filename), "%s/%s.rrd", datadir, identifier);
+ else
+ ssnprintf (filename, sizeof (filename), "%s.rrd", identifier);
+
+ status = rrdc_connect (daemon_address);
+ if (status != 0)
+ {
+ ERROR ("rrdcached plugin: rrdc_connect (%s) failed with status %i.",
+ daemon_address, status);
+ return (-1);
+ }
+
+ status = rrdc_flush (filename);
+ if (status != 0)
+ {
+ ERROR ("rrdcached plugin: rrdc_flush (%s) failed with status %i.",
+ filename, status);
+ return (-1);
+ }
+ DEBUG ("rrdcached plugin: rrdc_flush (%s): Success.", filename);
+
+ return (0);
+} /* }}} int rc_flush */
+
static int rc_shutdown (void)
{
rrdc_disconnect ();
void module_register (void)
{
- plugin_register_config ("rrdcached", rc_config,
- config_keys, config_keys_num);
- plugin_register_write ("rrdcached", rc_write);
+ plugin_register_complex_config ("rrdcached", rc_config);
+ plugin_register_init ("rrdcached", rc_init);
plugin_register_shutdown ("rrdcached", rc_shutdown);
} /* void module_register */
projects / collectd.git / blobdiff