1 /**
2 * collectd - src/write_mongodb.c
3 * Copyright (C) 2010-2012 Florian Forster
4 * Copyright (C) 2010 Akkarit Sangpetch
5 * Copyright (C) 2012 Chris Lundquist
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
24 *
25 * Authors:
26 * Florian Forster <ff at octo.it>
27 * Akkarit Sangpetch <asangpet at andrew.cmu.edu>
28 * Chris Lundquist <clundquist at bluebox.net>
29 **/
31 #include "collectd.h"
32 #include "plugin.h"
33 #include "common.h"
34 #include "configfile.h"
35 #include "utils_cache.h"
37 #include <pthread.h>
39 #if HAVE_STDINT_H
40 # define MONGO_HAVE_STDINT 1
41 #else
42 # define MONGO_USE_LONG_LONG_INT 1
43 #endif
44 #include <mongo.h>
46 struct wm_node_s
47 {
48 char name[DATA_MAX_NAME_LEN];
50 char *host;
51 int port;
52 int timeout;
54 int connected;
56 _Bool store_rates;
58 mongo conn[1];
59 pthread_mutex_t lock;
60 };
61 typedef struct wm_node_s wm_node_t;
63 /*
64 * Functions
65 */
66 static int wm_write (const data_set_t *ds, /* {{{ */
67 const value_list_t *vl,
68 user_data_t *ud)
69 {
70 wm_node_t *node = ud->data;
71 char collection_name[512];
72 int status;
73 int i;
74 bson record;
76 gauge_t *rates = NULL;
77 if (node->store_rates)
78 {
79 rates = uc_get_rate (ds, vl);
80 if (rates == NULL)
81 {
82 ERROR ("write_mongodb plugin: uc_get_rate() failed.");
83 return (-1);
84 }
85 }
87 ssnprintf(collection_name, sizeof (collection_name), "collectd.%s", vl->plugin);
89 bson_init(&record);
90 bson_append_double (&record, "time", CDTIME_T_TO_DOUBLE (vl->time));
91 bson_append_string (&record, "host", vl->host);
92 bson_append_string (&record, "plugin_instance", vl->plugin_instance);
93 bson_append_string (&record, "type", vl->type);
94 bson_append_string (&record, "type_instance", vl->type_instance);
96 for (i = 0; i < ds->ds_num; i++)
97 {
98 if (ds->ds[i].type == DS_TYPE_GAUGE)
99 bson_append_double(&record, ds->ds[i].name, vl->values[i].gauge);
100 else if (node->store_rates)
101 bson_append_double(&record, ds->ds[i].name, (double) rates[i]);
102 else if (ds->ds[i].type == DS_TYPE_COUNTER)
103 bson_append_long(&record, ds->ds[i].name, vl->values[i].counter);
104 else if (ds->ds[i].type == DS_TYPE_DERIVE)
105 bson_append_long(&record, ds->ds[i].name, vl->values[i].derive);
106 else if (ds->ds[i].type == DS_TYPE_ABSOLUTE)
107 bson_append_long(&record, ds->ds[i].name, vl->values[i].absolute);
108 else
109 assert (23 == 42);
110 }
111 /* We must finish the record, other wise the insert will fail */
112 bson_finish(&record);
114 sfree (rates);
116 pthread_mutex_lock (&node->lock);
118 if (node->connected == 0)
119 {
120 status = mongo_connect(node->conn, node->host, node->port);
121 if (status != MONGO_OK) {
122 ERROR ("write_mongodb plugin: Connecting to host \"%s\" (port %i) failed.",
123 (node->host != NULL) ? node->host : "localhost",
124 (node->port != 0) ? node->port : MONGO_DEFAULT_PORT);
125 mongo_destroy(node->conn);
126 pthread_mutex_unlock (&node->lock);
127 return (-1);
128 }
130 if (node->timeout > 0) {
131 status = mongo_set_op_timeout (node->conn, node->timeout);
132 if (status != MONGO_OK) {
133 WARNING ("write_mongodb plugin: mongo_set_op_timeout(%i) failed: %s",
134 node->timeout, node->conn->errstr);
135 }
136 }
138 node->connected = 1;
139 }
141 /* Assert if the connection has been established */
142 assert (node->connected == 1);
144 DEBUG ( "write_mongodb plugin: writing record");
145 /* bson_print(&record); */
147 status = mongo_insert(node->conn,collection_name,&record);
149 if(status != MONGO_OK)
150 {
151 ERROR ( "write_mongodb plugin: error inserting record: %d", node->conn->err);
152 if (node->conn->err == MONGO_BSON_INVALID)
153 ERROR ("write_mongodb plugin: %s", node->conn->errstr);
154 else if (record.err)
155 ERROR ("write_mongodb plugin: %s", record.errstr);
156 }
158 pthread_mutex_unlock (&node->lock);
159 /* free our resource as not to leak memory */
160 bson_destroy(&record);
162 return (0);
163 } /* }}} int wm_write */
165 static void wm_config_free (void *ptr) /* {{{ */
166 {
167 wm_node_t *node = ptr;
169 if (node == NULL)
170 return;
172 if (node->connected != 0)
173 {
174 mongo_destroy(node->conn);
175 node->connected = 0;
176 }
178 sfree (node->host);
179 sfree (node);
180 } /* }}} void wm_config_free */
182 static int wm_config_node (oconfig_item_t *ci) /* {{{ */
183 {
184 wm_node_t *node;
185 int status;
186 int i;
188 node = malloc (sizeof (*node));
189 if (node == NULL)
190 return (ENOMEM);
191 memset (node, 0, sizeof (*node));
192 node->host = NULL;
193 node->store_rates = 1;
194 pthread_mutex_init (&node->lock, /* attr = */ NULL);
196 status = cf_util_get_string_buffer (ci, node->name, sizeof (node->name));
198 if (status != 0)
199 {
200 sfree (node);
201 return (status);
202 }
204 for (i = 0; i < ci->children_num; i++)
205 {
206 oconfig_item_t *child = ci->children + i;
208 if (strcasecmp ("Host", child->key) == 0)
209 status = cf_util_get_string (child, &node->host);
210 else if (strcasecmp ("Port", child->key) == 0)
211 {
212 status = cf_util_get_port_number (child);
213 if (status > 0)
214 {
215 node->port = status;
216 status = 0;
217 }
218 }
219 else if (strcasecmp ("Timeout", child->key) == 0)
220 status = cf_util_get_int (child, &node->timeout);
221 else if (strcasecmp ("StoreRates", child->key) == 0)
222 status = cf_util_get_boolean (child, &node->store_rates);
223 else
224 WARNING ("write_mongodb plugin: Ignoring unknown config option \"%s\".",
225 child->key);
227 if (status != 0)
228 break;
229 } /* for (i = 0; i < ci->children_num; i++) */
231 if (status == 0)
232 {
233 char cb_name[DATA_MAX_NAME_LEN];
234 user_data_t ud;
236 ssnprintf (cb_name, sizeof (cb_name), "write_mongodb/%s", node->name);
238 ud.data = node;
239 ud.free_func = wm_config_free;
241 status = plugin_register_write (cb_name, wm_write, &ud);
242 INFO ("write_mongodb plugin: registered write plugin %s %d",cb_name,status);
243 }
245 if (status != 0)
246 wm_config_free (node);
248 return (status);
249 } /* }}} int wm_config_node */
251 static int wm_config (oconfig_item_t *ci) /* {{{ */
252 {
253 int i;
255 for (i = 0; i < ci->children_num; i++)
256 {
257 oconfig_item_t *child = ci->children + i;
259 if (strcasecmp ("Node", child->key) == 0)
260 wm_config_node (child);
261 else
262 WARNING ("write_mongodb plugin: Ignoring unknown "
263 "configuration option \"%s\" at top level.", child->key);
264 }
266 return (0);
267 } /* }}} int wm_config */
269 void module_register (void)
270 {
271 plugin_register_complex_config ("write_mongodb", wm_config);
272 }
274 /* vim: set sw=2 sts=2 tw=78 et fdm=marker : */