if (fd < 0)
{
char errbuf[1024];
- ERROR ("memcached: memcached_connect_unix: socket(2) failed: %s",
+ ERROR ("memcached plugin: memcached_connect_unix: socket(2) failed: %s",
sstrerror (errno, errbuf, sizeof (errbuf)));
return (-1);
}
+ /* connect to the memcached daemon */
+ int status = connect (fd, (struct sockaddr *)&serv_addr, sizeof(serv_addr));
+ if (status != 0)
+ {
+ shutdown (fd, SHUT_RDWR);
+ close (fd);
+ fd = -1;
+ }
+
return (fd);
} /* int memcached_connect_unix */
if (status != 0)
{
char errbuf[1024];
- ERROR ("memcached: memcached_connect_inet: getaddrinfo(%s,%s) failed: %s",
+ ERROR ("memcached plugin: memcached_connect_inet: "
+ "getaddrinfo(%s,%s) failed: %s",
host, port,
(status == EAI_SYSTEM)
? sstrerror (errno, errbuf, sizeof (errbuf))
if (fd < 0)
{
char errbuf[1024];
- WARNING ("memcached: memcached_connect_inet: socket(2) failed: %s",
+ WARNING ("memcached plugin: memcached_connect_inet: "
+ "socket(2) failed: %s",
sstrerror (errno, errbuf, sizeof (errbuf)));
continue;
}
fd = memcached_connect (st);
if (fd < 0) {
- ERROR ("memcached: Could not connect to daemon.");
+ ERROR ("memcached plugin: Instance \"%s\" could not connect to daemon.",
+ st->name);
return -1;
}
return (status);
} /* int memcached_query_daemon */
+static void memcached_init_vl (value_list_t *vl, memcached_t const *st)
+{
+ sstrncpy (vl->plugin, "memcached", sizeof (vl->plugin));
+ if (strcmp (st->name, "__legacy__") == 0) /* legacy mode */
+ {
+ sstrncpy (vl->host, hostname_g, sizeof (vl->host));
+ }
+ else
+ {
+ if (st->socket != NULL)
+ sstrncpy (vl->host, hostname_g, sizeof (vl->host));
+ else
+ sstrncpy (vl->host,
+ (st->host != NULL) ? st->host : MEMCACHED_DEF_HOST,
+ sizeof (vl->host));
+ sstrncpy (vl->plugin_instance, st->name, sizeof (vl->plugin_instance));
+ }
+}
+
static void submit_derive (const char *type, const char *type_inst,
derive_t value, memcached_t *st)
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
+ memcached_init_vl (&vl, st);
values[0].derive = value;
vl.values = values;
vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "memcached", sizeof (vl.plugin));
- if (st->name != NULL)
- sstrncpy (vl.plugin_instance, st->name, sizeof (vl.plugin_instance));
sstrncpy (vl.type, type, sizeof (vl.type));
if (type_inst != NULL)
sstrncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
{
value_t values[2];
value_list_t vl = VALUE_LIST_INIT;
+ memcached_init_vl (&vl, st);
values[0].derive = value0;
values[1].derive = value1;
vl.values = values;
vl.values_len = 2;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "memcached", sizeof (vl.plugin));
- if (st->name != NULL)
- sstrncpy (vl.plugin_instance, st->name, sizeof (vl.plugin_instance));
sstrncpy (vl.type, type, sizeof (vl.type));
if (type_inst != NULL)
sstrncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
+ memcached_init_vl (&vl, st);
values[0].gauge = value;
vl.values = values;
vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "memcached", sizeof (vl.plugin));
- if (st->name != NULL)
- sstrncpy (vl.plugin_instance, st->name, sizeof (vl.plugin_instance));
sstrncpy (vl.type, type, sizeof (vl.type));
if (type_inst != NULL)
sstrncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
{
value_t values[2];
value_list_t vl = VALUE_LIST_INIT;
+ memcached_init_vl (&vl, st);
values[0].gauge = value0;
values[1].gauge = value1;
vl.values = values;
vl.values_len = 2;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "memcached", sizeof (vl.plugin));
- if (st->name != NULL)
- sstrncpy (vl.plugin_instance, st->name, sizeof (vl.plugin_instance));
sstrncpy (vl.type, type, sizeof (vl.type));
if (type_inst != NULL)
sstrncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
gauge_t bytes_total = NAN;
gauge_t hits = NAN;
gauge_t gets = NAN;
+ gauge_t incr_hits = NAN;
+ derive_t incr = 0;
+ gauge_t decr_hits = NAN;
+ derive_t decr = 0;
derive_t rusage_user = 0;
derive_t rusage_syst = 0;
derive_t octets_rx = 0;
/*
* For an explanation on these fields please refer to
- * <http://code.sixapart.com/svn/memcached/trunk/server/doc/protocol.txt>
+ * <https://github.com/memcached/memcached/blob/master/doc/protocol.txt>
*/
/*
{
submit_gauge ("memcached_connections", "current", atof (fields[2]), st);
}
+ else if (FIELD_IS ("listen_disabled_num"))
+ {
+ submit_derive ("memcached_connections", "listen_disabled", atof (fields[2]), st);
+ }
/*
* Commands
}
/*
+ * Increment/Decrement
+ */
+ else if (FIELD_IS("incr_misses"))
+ {
+ derive_t incr_count = atoll (fields[2]);
+ submit_derive ("memcached_ops", "incr_misses", incr_count, st);
+ incr += incr_count;
+ }
+ else if (FIELD_IS ("incr_hits"))
+ {
+ derive_t incr_count = atoll (fields[2]);
+ submit_derive ("memcached_ops", "incr_hits", incr_count, st);
+ incr_hits = atof (fields[2]);
+ incr += incr_count;
+ }
+ else if (FIELD_IS ("decr_misses"))
+ {
+ derive_t decr_count = atoll (fields[2]);
+ submit_derive ("memcached_ops", "decr_misses", decr_count, st);
+ decr += decr_count;
+ }
+ else if (FIELD_IS ("decr_hits"))
+ {
+ derive_t decr_count = atoll (fields[2]);
+ submit_derive ("memcached_ops", "decr_hits", decr_count, st);
+ decr_hits = atof (fields[2]);
+ decr += decr_count;
+ }
+
+ /*
* Operations on the cache, i. e. cache hits, cache misses and evictions of items
*/
else if (FIELD_IS ("get_hits"))
submit_gauge ("percent", "hitratio", rate, st);
}
+ if (!isnan (incr_hits) && incr != 0)
+ {
+ gauge_t incr_rate = 100.0 * incr_hits / incr;
+ submit_gauge ("percent", "incr_hitratio", incr_rate, st);
+ submit_derive ("memcached_ops", "incr", incr, st);
+ }
+
+ if (!isnan (decr_hits) && decr != 0)
+ {
+ gauge_t decr_rate = 100.0 * decr_hits / decr;
+ submit_gauge ("percent", "decr_hitratio", decr_rate, st);
+ submit_derive ("memcached_ops", "decr", decr, st);
+ }
+
return 0;
} /* int memcached_read */
st->port = NULL;
if (strcasecmp (ci->key, "Plugin") == 0) /* default instance */
- st->name = sstrdup ("default");
+ st->name = sstrdup ("__legacy__");
else /* <Instance /> block */
status = cf_util_get_string (ci, &st->name);
if (status != 0)
if (st == NULL)
return (ENOMEM);
memset (st, 0, sizeof (*st));
- st->name = sstrdup ("default");
+ st->name = sstrdup ("__legacy__");
st->socket = NULL;
st->host = NULL;
st->port = NULL;