/**
* collectd - src/gmond.c
- * Copyright (C) 2009,2010 Florian octo Forster
+ * Copyright (C) 2009-2015 Florian octo Forster
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; only version 2 of the License is applicable.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*
* Authors:
* Florian octo Forster <octo at collectd.org>
struct addrinfo *ai_ptr;
int ai_return;
- socket_entry_t *sockets;
- size_t sockets_num;
+ socket_entry_t *sockets = NULL;
+ size_t sockets_num = 0;
int status;
-
- sockets = *ret_sockets;
- sockets_num = *ret_sockets_num;
+
+ if (*ret_sockets != NULL)
+ return (EINVAL);
memset (&ai_hints, 0, sizeof (ai_hints));
ai_hints.ai_flags = 0;
{
int yes = 1;
- setsockopt (sockets[sockets_num].fd, SOL_SOCKET, SO_REUSEADDR,
+ status = setsockopt (sockets[sockets_num].fd, SOL_SOCKET, SO_REUSEADDR,
(void *) &yes, sizeof (yes));
+ if (status != 0)
+ {
+ char errbuf[1024];
+ WARNING ("gmond plugin: setsockopt(2) failed: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ }
}
status = bind (sockets[sockets_num].fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen);
freeaddrinfo (ai_list);
- if ((*ret_sockets_num) >= sockets_num)
+ if (sockets_num == 0)
+ {
+ sfree (sockets);
return (-1);
+ }
*ret_sockets = sockets;
*ret_sockets_num = sockets_num;
pthread_mutex_lock (&mc_send_sockets_lock);
for (i = 0; i < mc_send_sockets_num; i++)
- sendto (mc_send_sockets[i].fd, buffer, (size_t) buffer_size,
+ {
+ ssize_t status = sendto (mc_send_sockets[i].fd, buffer, (size_t) buffer_size,
/* flags = */ 0,
(struct sockaddr *) &mc_send_sockets[i].addr,
mc_send_sockets[i].addrlen);
+ if (status == -1)
+ {
+ char errbuf[1024];
+ ERROR ("gmond plugin: sendto(2) failed: %s",
+ sstrerror (errno, errbuf, sizeof (errbuf)));
+ continue;
+ }
+ }
pthread_mutex_unlock (&mc_send_sockets_lock);
sfree (msg.Ganglia_metadata_msg_u.grequest.metric_id.host);
return (se);
} /* }}} staging_entry_t *staging_entry_get */
-static int staging_entry_submit (const char *host, const char *name, /* {{{ */
- staging_entry_t *se)
-{
- value_list_t vl;
- value_t values[se->vl.values_len];
-
- if (se->vl.interval == 0)
- {
- /* No meta data has been received for this metric yet. */
- se->flags = 0;
- pthread_mutex_unlock (&staging_lock);
- request_meta_data (host, name);
- return (0);
- }
-
- se->flags = 0;
-
- memcpy (values, se->vl.values, sizeof (values));
- memcpy (&vl, &se->vl, sizeof (vl));
-
- /* Unlock before calling `plugin_dispatch_values'.. */
- pthread_mutex_unlock (&staging_lock);
-
- vl.values = values;
-
- plugin_dispatch_values (&vl);
-
- return (0);
-} /* }}} int staging_entry_submit */
-
static int staging_entry_update (const char *host, const char *name, /* {{{ */
const char *type, const char *type_instance,
int ds_index, int ds_type, value_t value)
se->flags |= (0x01 << ds_index);
- /* Check if all values have been set and submit if so. */
- if (se->flags == ((0x01 << se->vl.values_len) - 1))
+ /* Check if all data sources have been set. If not, return here. */
+ if (se->flags != ((0x01 << se->vl.values_len) - 1))
{
- /* `staging_lock' is unlocked in `staging_entry_submit'. */
- staging_entry_submit (host, name, se);
+ pthread_mutex_unlock (&staging_lock);
+ return (0);
}
- else
+
+ /* Check if the interval of this metric is known. If not, request meta data
+ * and return. */
+ if (se->vl.interval == 0)
{
+ /* No meta data has been received for this metric yet. */
+ se->flags = 0;
pthread_mutex_unlock (&staging_lock);
+
+ request_meta_data (host, name);
+ return (0);
}
+ plugin_dispatch_values (&se->vl);
+
+ se->flags = 0;
+ pthread_mutex_unlock (&staging_lock);
+
return (0);
} /* }}} int staging_entry_update */
if ((map->ds_type == DS_TYPE_COUNTER)
|| (map->ds_type == DS_TYPE_ABSOLUTE))
val_copy = value_counter;
- if (map->ds_type == DS_TYPE_GAUGE)
+ else if (map->ds_type == DS_TYPE_GAUGE)
val_copy = value_gauge;
else if (map->ds_type == DS_TYPE_DERIVE)
val_copy = value_derive;
}
} /* while (mc_receive_thread_loop != 0) */
+ free (mc_receive_socket_entries);
return ((void *) 0);
} /* }}} void *mc_receive_thread */