--- /dev/null
+/**
+ * collectd - src/write_mongo.c
+ * Copyright (C) 2010 Florian Forster, Akkarit Sangpetch
+ *
+ * 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:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * 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 Forster <ff at octo.it>
+ * Akkarit Sangpetch <asangpet@andrew.cmu.edu>
+ **/
+
+#include "collectd.h"
+#include "plugin.h"
+#include "common.h"
+#include "configfile.h"
+
+#include <pthread.h>
+#include "libmongo/bson.h"
+#include "libmongo/mongo.h"
+
+struct wm_node_s
+{
+ char name[DATA_MAX_NAME_LEN];
+
+ char *host;
+ int port;
+ int timeout;
+
+ int connected;
+
+ mongo_connection conn[1];
+ mongo_connection_options opts[1];
+ pthread_mutex_t lock;
+};
+typedef struct wm_node_s wm_node_t;
+
+/*
+ * Functions
+ */
+static int wm_write (const data_set_t *ds, /* {{{ */
+ const value_list_t *vl,
+ user_data_t *ud)
+{
+ wm_node_t *node = ud->data;
+ char collection_name[512];
+ int status;
+ int i;
+ bson record[1];
+ bson_buffer record_buf[1];
+
+ ssnprintf(collection_name, sizeof (collection_name), "collectd.%s", vl->plugin);
+
+ bson_buffer_init(record_buf);
+ bson_append_time_t(record_buf,"ts",vl->time);
+ bson_append_string(record_buf,"h",vl->host);
+ bson_append_string(record_buf,"i",vl->plugin_instance);
+ bson_append_string(record_buf,"t",vl->plugin_instance);
+ bson_append_string(record_buf,"ti",vl->plugin_instance);
+
+ if (ds->ds_num == 1) {
+ if (ds->ds[0].type == DS_TYPE_COUNTER)
+ bson_append_long(record_buf, "v", vl->values[0].counter);
+ else if (ds->ds[0].type == DS_TYPE_GAUGE)
+ bson_append_double(record_buf, "v", vl->values[0].gauge);
+ else if (ds->ds[0].type == DS_TYPE_DERIVE)
+ bson_append_long(record_buf, "v", vl->values[0].derive);
+ else if (ds->ds[0].type == DS_TYPE_ABSOLUTE)
+ bson_append_long(record_buf, "v", vl->values[0].absolute);
+ else
+ assert (23 == 42);
+ } else {
+ bson_append_start_object(record_buf,"v");
+ for (i = 0; i < ds->ds_num; i++)
+ {
+ if (ds->ds[i].type == DS_TYPE_COUNTER)
+ bson_append_long(record_buf, ds->ds[i].name, vl->values[i].counter);
+ else if (ds->ds[i].type == DS_TYPE_GAUGE)
+ bson_append_double(record_buf, ds->ds[i].name, vl->values[i].gauge);
+ else if (ds->ds[i].type == DS_TYPE_DERIVE)
+ bson_append_long(record_buf, ds->ds[i].name, vl->values[i].derive);
+ else if (ds->ds[i].type == DS_TYPE_ABSOLUTE)
+ bson_append_long(record_buf, ds->ds[i].name, vl->values[i].absolute);
+ else
+ assert (23 == 42);
+ }
+ bson_append_finish_object(record_buf);
+ }
+ bson_from_buffer(record,record_buf);
+
+ pthread_mutex_lock (&node->lock);
+
+ if (node->connected == 0)
+ {
+ strcpy(node->opts->host, node->host);
+ node->opts->port = node->port;
+
+ status = mongo_connect(node->conn,node->opts);
+ if (status!=mongo_conn_success) {
+ ERROR ("write_mongo plugin: Connecting to host \"%s\" (port %i) failed.",
+ (node->host != NULL) ? node->host : "localhost",
+ (node->port != 0) ? node->port : 6379);
+ pthread_mutex_unlock (&node->lock);
+ return (-1);
+ } else {
+ node->connected = 1;
+ }
+ }
+
+ /* Assert if the connection has been established */
+ assert (node->connected == 1);
+
+ mongo_insert(node->conn,collection_name,record);
+
+ pthread_mutex_unlock (&node->lock);
+
+ return (0);
+} /* }}} int wm_write */
+
+static void wm_config_free (void *ptr) /* {{{ */
+{
+ wm_node_t *node = ptr;
+
+ if (node == NULL)
+ return;
+
+ if (node->connected != 0)
+ {
+ mongo_destroy(node->conn);
+ node->connected = 0;
+ }
+
+ sfree (node->host);
+ sfree (node);
+} /* }}} void wm_config_free */
+
+static int wm_config_node (oconfig_item_t *ci) /* {{{ */
+{
+ wm_node_t *node;
+ int status;
+ int i;
+
+ node = malloc (sizeof (*node));
+ if (node == NULL)
+ return (ENOMEM);
+ memset (node, 0, sizeof (*node));
+ node->host = NULL;
+ node->port = 0;
+ node->timeout = 1000;
+ node->connected = 0;
+ pthread_mutex_init (&node->lock, /* attr = */ NULL);
+
+ status = cf_util_get_string_buffer (ci, node->name, sizeof (node->name));
+
+ if (status != 0)
+ {
+ sfree (node);
+ return (status);
+ }
+
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp ("Host", child->key) == 0)
+ status = cf_util_get_string (child, &node->host);
+ else if (strcasecmp ("Port", child->key) == 0)
+ {
+ status = cf_util_get_port_number (child);
+ if (status > 0)
+ {
+ node->port = status;
+ status = 0;
+ }
+ }
+ else if (strcasecmp ("Timeout", child->key) == 0)
+ status = cf_util_get_int (child, &node->timeout);
+ else
+ WARNING ("write_mongo plugin: Ignoring unknown config option \"%s\".",
+ child->key);
+
+ if (status != 0)
+ break;
+ } /* for (i = 0; i < ci->children_num; i++) */
+
+ if (status == 0)
+ {
+ char cb_name[DATA_MAX_NAME_LEN];
+ user_data_t ud;
+
+ ssnprintf (cb_name, sizeof (cb_name), "write_mongo/%s", node->name);
+
+ ud.data = node;
+ ud.free_func = wm_config_free;
+
+ status = plugin_register_write (cb_name, wm_write, &ud);
+ INFO ("write_mongo plugin: registered write plugin %s %d",cb_name,status);
+ }
+
+ if (status != 0)
+ wm_config_free (node);
+
+ return (status);
+} /* }}} int wm_config_node */
+
+static int wm_config (oconfig_item_t *ci) /* {{{ */
+{
+ int i;
+
+ for (i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp ("Node", child->key) == 0)
+ wm_config_node (child);
+ else
+ WARNING ("write_mongo plugin: Ignoring unknown "
+ "configuration option \"%s\" at top level.", child->key);
+ }
+
+ return (0);
+} /* }}} int wm_config */
+
+void module_register (void)
+{
+ plugin_register_complex_config ("write_mongo", wm_config);
+}
+
+/* vim: set sw=2 sts=2 tw=78 et fdm=marker : */
projects / collectd.git / commitdiff