1 /**
2 * collectd - src/write_mongodb.c
3 * Copyright (C) 2010 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"
36 #include <pthread.h>
38 #if HAVE_STDINT_H
39 # define MONGO_HAVE_STDINT 1
40 #else
41 # define MONGO_USE_LONG_LONG_INT 1
42 #endif
43 #include <mongo.h>
45 struct wm_node_s
46 {
47 char name[DATA_MAX_NAME_LEN];
49 char *host;
50 int port;
51 int timeout;
53 int connected;
55 mongo conn[1];
56 pthread_mutex_t lock;
57 };
58 typedef struct wm_node_s wm_node_t;
60 /*
61 * Functions
62 */
63 static int wm_write (const data_set_t *ds, /* {{{ */
64 const value_list_t *vl,
65 user_data_t *ud)
66 {
67 wm_node_t *node = ud->data;
68 char collection_name[512];
69 int status;
70 int i;
71 bson record;
73 ssnprintf(collection_name, sizeof (collection_name), "collectd.%s", vl->plugin);
75 bson_init(&record);
76 bson_append_time_t(&record,"ts",CDTIME_T_TO_TIME_T(vl->time));
77 bson_append_string(&record,"h",vl->host);
78 bson_append_string(&record,"i",vl->plugin_instance);
79 bson_append_string(&record,"t",vl->type);
80 bson_append_string(&record,"ti",vl->type_instance);
82 for (i = 0; i < ds->ds_num; i++)
83 {
84 if (ds->ds[i].type == DS_TYPE_COUNTER)
85 bson_append_long(&record, ds->ds[i].name, vl->values[i].counter);
86 else if (ds->ds[i].type == DS_TYPE_GAUGE)
87 bson_append_double(&record, ds->ds[i].name, vl->values[i].gauge);
88 else if (ds->ds[i].type == DS_TYPE_DERIVE)
89 bson_append_long(&record, ds->ds[i].name, vl->values[i].derive);
90 else if (ds->ds[i].type == DS_TYPE_ABSOLUTE)
91 bson_append_long(&record, ds->ds[i].name, vl->values[i].absolute);
92 else
93 assert (23 == 42);
94 }
95 bson_finish(&record);
97 pthread_mutex_lock (&node->lock);
99 if (node->connected == 0)
100 {
101 status = mongo_connect(node->conn, node->host, node->port);
102 if (status != MONGO_OK) {
103 ERROR ("write_mongodb plugin: Connecting to host \"%s\" (port %i) failed.",
104 (node->host != NULL) ? node->host : "localhost",
105 (node->port != 0) ? node->port : MONGO_DEFAULT_PORT);
106 mongo_destroy(node->conn);
107 pthread_mutex_unlock (&node->lock);
108 return (-1);
109 } else {
110 node->connected = 1;
111 }
112 }
114 /* Assert if the connection has been established */
115 assert (node->connected == 1);
117 DEBUG ( "write_mongodb plugin: writing record");
118 /* bson_print(&record); */
120 status = mongo_insert(node->conn,collection_name,&record);
122 if(status != MONGO_OK)
123 {
124 ERROR ( "write_mongodb plugin: error inserting record: %d", node->conn->err);
125 if(node->conn->err == MONGO_BSON_INVALID)
126 {
127 ERROR (node->conn->errstr);
128 } else if ( record.err)
129 {
130 ERROR (record.errstr);
131 }
133 }
136 pthread_mutex_unlock (&node->lock);
138 return (0);
139 } /* }}} int wm_write */
141 static void wm_config_free (void *ptr) /* {{{ */
142 {
143 wm_node_t *node = ptr;
145 if (node == NULL)
146 return;
148 if (node->connected != 0)
149 {
150 mongo_destroy(node->conn);
151 node->connected = 0;
152 }
154 sfree (node->host);
155 sfree (node);
156 } /* }}} void wm_config_free */
158 static int wm_config_node (oconfig_item_t *ci) /* {{{ */
159 {
160 wm_node_t *node;
161 int status;
162 int i;
164 node = malloc (sizeof (*node));
165 if (node == NULL)
166 return (ENOMEM);
167 memset (node, 0, sizeof (*node));
168 node->host = NULL;
169 node->port = 0;
170 node->timeout = 1000;
171 node->connected = 0;
172 pthread_mutex_init (&node->lock, /* attr = */ NULL);
174 status = cf_util_get_string_buffer (ci, node->name, sizeof (node->name));
176 if (status != 0)
177 {
178 sfree (node);
179 return (status);
180 }
182 for (i = 0; i < ci->children_num; i++)
183 {
184 oconfig_item_t *child = ci->children + i;
186 if (strcasecmp ("Host", child->key) == 0)
187 status = cf_util_get_string (child, &node->host);
188 else if (strcasecmp ("Port", child->key) == 0)
189 {
190 status = cf_util_get_port_number (child);
191 if (status > 0)
192 {
193 node->port = status;
194 status = 0;
195 }
196 }
197 else if (strcasecmp ("Timeout", child->key) == 0)
198 status = cf_util_get_int (child, &node->timeout);
199 else
200 WARNING ("write_mongodb plugin: Ignoring unknown config option \"%s\".",
201 child->key);
203 if (status != 0)
204 break;
205 } /* for (i = 0; i < ci->children_num; i++) */
207 if (status == 0)
208 {
209 char cb_name[DATA_MAX_NAME_LEN];
210 user_data_t ud;
212 ssnprintf (cb_name, sizeof (cb_name), "write_mongodb/%s", node->name);
214 ud.data = node;
215 ud.free_func = wm_config_free;
217 status = plugin_register_write (cb_name, wm_write, &ud);
218 INFO ("write_mongodb plugin: registered write plugin %s %d",cb_name,status);
219 }
221 if (status != 0)
222 wm_config_free (node);
224 return (status);
225 } /* }}} int wm_config_node */
227 static int wm_config (oconfig_item_t *ci) /* {{{ */
228 {
229 int i;
231 for (i = 0; i < ci->children_num; i++)
232 {
233 oconfig_item_t *child = ci->children + i;
235 if (strcasecmp ("Node", child->key) == 0)
236 wm_config_node (child);
237 else
238 WARNING ("write_mongodb plugin: Ignoring unknown "
239 "configuration option \"%s\" at top level.", child->key);
240 }
242 return (0);
243 } /* }}} int wm_config */
245 void module_register (void)
246 {
247 plugin_register_complex_config ("write_mongodb", wm_config);
248 }
250 /* vim: set sw=2 sts=2 tw=78 et fdm=marker : */