1 /**
2 * collectd - src/routeros.c
3 * Copyright (C) 2009,2010 Florian octo Forster
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Florian octo Forster <octo at collectd.org>
25 **/
27 #include "collectd.h"
29 #include "common.h"
30 #include "plugin.h"
32 #include <routeros_api.h>
34 struct cr_data_s {
35 ros_connection_t *connection;
37 char *node;
38 char *service;
39 char *username;
40 char *password;
42 _Bool collect_interface;
43 _Bool collect_regtable;
44 _Bool collect_cpu_load;
45 _Bool collect_memory;
46 _Bool collect_df;
47 _Bool collect_disk;
48 };
49 typedef struct cr_data_s cr_data_t;
51 static void cr_submit_io(cr_data_t *rd, const char *type, /* {{{ */
52 const char *type_instance, derive_t rx, derive_t tx) {
53 value_t values[2];
54 value_list_t vl = VALUE_LIST_INIT;
56 values[0].derive = rx;
57 values[1].derive = tx;
59 vl.values = values;
60 vl.values_len = STATIC_ARRAY_SIZE(values);
61 sstrncpy(vl.host, rd->node, sizeof(vl.host));
62 sstrncpy(vl.plugin, "routeros", sizeof(vl.plugin));
63 sstrncpy(vl.type, type, sizeof(vl.type));
64 sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
66 plugin_dispatch_values(&vl);
67 } /* }}} void cr_submit_io */
69 static void submit_interface(cr_data_t *rd, /* {{{ */
70 const ros_interface_t *i) {
71 if (i == NULL)
72 return;
74 if (!i->running) {
75 submit_interface(rd, i->next);
76 return;
77 }
79 cr_submit_io(rd, "if_packets", i->name, (derive_t)i->rx_packets,
80 (derive_t)i->tx_packets);
81 cr_submit_io(rd, "if_octets", i->name, (derive_t)i->rx_bytes,
82 (derive_t)i->tx_bytes);
83 cr_submit_io(rd, "if_errors", i->name, (derive_t)i->rx_errors,
84 (derive_t)i->tx_errors);
85 cr_submit_io(rd, "if_dropped", i->name, (derive_t)i->rx_drops,
86 (derive_t)i->tx_drops);
88 submit_interface(rd, i->next);
89 } /* }}} void submit_interface */
91 static int handle_interface(__attribute__((unused))
92 ros_connection_t *c, /* {{{ */
93 const ros_interface_t *i,
94 void *user_data) {
95 if ((i == NULL) || (user_data == NULL))
96 return (EINVAL);
98 submit_interface(user_data, i);
99 return (0);
100 } /* }}} int handle_interface */
102 static void cr_submit_gauge(cr_data_t *rd, const char *type, /* {{{ */
103 const char *type_instance, gauge_t value) {
104 value_t values[1];
105 value_list_t vl = VALUE_LIST_INIT;
107 values[0].gauge = value;
109 vl.values = values;
110 vl.values_len = STATIC_ARRAY_SIZE(values);
111 sstrncpy(vl.host, rd->node, sizeof(vl.host));
112 sstrncpy(vl.plugin, "routeros", sizeof(vl.plugin));
113 sstrncpy(vl.type, type, sizeof(vl.type));
114 sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
116 plugin_dispatch_values(&vl);
117 } /* }}} void cr_submit_gauge */
119 #if ROS_VERSION >= ROS_VERSION_ENCODE(1, 1, 0)
120 static void cr_submit_counter(cr_data_t *rd, const char *type, /* {{{ */
121 const char *type_instance, derive_t value) {
122 value_t values[1];
123 value_list_t vl = VALUE_LIST_INIT;
125 values[0].derive = value;
127 vl.values = values;
128 vl.values_len = STATIC_ARRAY_SIZE(values);
129 sstrncpy(vl.host, rd->node, sizeof(vl.host));
130 sstrncpy(vl.plugin, "routeros", sizeof(vl.plugin));
131 sstrncpy(vl.type, type, sizeof(vl.type));
132 sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
134 plugin_dispatch_values(&vl);
135 } /* }}} void cr_submit_gauge */
136 #endif
138 static void submit_regtable(cr_data_t *rd, /* {{{ */
139 const ros_registration_table_t *r) {
140 char type_instance[DATA_MAX_NAME_LEN];
142 if (r == NULL)
143 return;
145 /*** RX ***/
146 ssnprintf(type_instance, sizeof(type_instance), "%s-%s-rx", r->interface,
147 r->radio_name);
148 cr_submit_gauge(rd, "bitrate", type_instance,
149 (gauge_t)(1000000.0 * r->rx_rate));
150 cr_submit_gauge(rd, "signal_power", type_instance,
151 (gauge_t)r->rx_signal_strength);
152 cr_submit_gauge(rd, "signal_quality", type_instance, (gauge_t)r->rx_ccq);
154 /*** TX ***/
155 ssnprintf(type_instance, sizeof(type_instance), "%s-%s-tx", r->interface,
156 r->radio_name);
157 cr_submit_gauge(rd, "bitrate", type_instance,
158 (gauge_t)(1000000.0 * r->tx_rate));
159 cr_submit_gauge(rd, "signal_power", type_instance,
160 (gauge_t)r->tx_signal_strength);
161 cr_submit_gauge(rd, "signal_quality", type_instance, (gauge_t)r->tx_ccq);
163 /*** RX / TX ***/
164 ssnprintf(type_instance, sizeof(type_instance), "%s-%s", r->interface,
165 r->radio_name);
166 cr_submit_io(rd, "if_octets", type_instance, (derive_t)r->rx_bytes,
167 (derive_t)r->tx_bytes);
168 cr_submit_gauge(rd, "snr", type_instance, (gauge_t)r->signal_to_noise);
170 submit_regtable(rd, r->next);
171 } /* }}} void submit_regtable */
173 static int handle_regtable(__attribute__((unused))
174 ros_connection_t *c, /* {{{ */
175 const ros_registration_table_t *r,
176 void *user_data) {
177 if ((r == NULL) || (user_data == NULL))
178 return (EINVAL);
180 submit_regtable(user_data, r);
181 return (0);
182 } /* }}} int handle_regtable */
184 #if ROS_VERSION >= ROS_VERSION_ENCODE(1, 1, 0)
185 static int handle_system_resource(__attribute__((unused))
186 ros_connection_t *c, /* {{{ */
187 const ros_system_resource_t *r,
188 __attribute__((unused)) void *user_data) {
189 cr_data_t *rd;
191 if ((r == NULL) || (user_data == NULL))
192 return (EINVAL);
193 rd = user_data;
195 if (rd->collect_cpu_load)
196 cr_submit_gauge(rd, "gauge", "cpu_load", (gauge_t)r->cpu_load);
198 if (rd->collect_memory) {
199 cr_submit_gauge(rd, "memory", "used",
200 (gauge_t)(r->total_memory - r->free_memory));
201 cr_submit_gauge(rd, "memory", "free", (gauge_t)r->free_memory);
202 }
204 if (rd->collect_df) {
205 cr_submit_gauge(rd, "df_complex", "used",
206 (gauge_t)(r->total_memory - r->free_memory));
207 cr_submit_gauge(rd, "df_complex", "free", (gauge_t)r->free_memory);
208 }
210 if (rd->collect_disk) {
211 cr_submit_counter(rd, "counter", "secors_written",
212 (derive_t)r->write_sect_total);
213 cr_submit_gauge(rd, "gauge", "bad_blocks", (gauge_t)r->bad_blocks);
214 }
216 return (0);
217 } /* }}} int handle_system_resource */
218 #endif
220 static int cr_read(user_data_t *user_data) /* {{{ */
221 {
222 int status;
223 cr_data_t *rd;
225 if (user_data == NULL)
226 return (EINVAL);
228 rd = user_data->data;
229 if (rd == NULL)
230 return (EINVAL);
232 if (rd->connection == NULL) {
233 rd->connection =
234 ros_connect(rd->node, rd->service, rd->username, rd->password);
235 if (rd->connection == NULL) {
236 char errbuf[128];
237 ERROR("routeros plugin: ros_connect failed: %s",
238 sstrerror(errno, errbuf, sizeof(errbuf)));
239 return (-1);
240 }
241 }
242 assert(rd->connection != NULL);
244 if (rd->collect_interface) {
245 status = ros_interface(rd->connection, handle_interface,
246 /* user data = */ rd);
247 if (status != 0) {
248 char errbuf[128];
249 ERROR("routeros plugin: ros_interface failed: %s",
250 sstrerror(status, errbuf, sizeof(errbuf)));
251 ros_disconnect(rd->connection);
252 rd->connection = NULL;
253 return (-1);
254 }
255 }
257 if (rd->collect_regtable) {
258 status = ros_registration_table(rd->connection, handle_regtable,
259 /* user data = */ rd);
260 if (status != 0) {
261 char errbuf[128];
262 ERROR("routeros plugin: ros_registration_table failed: %s",
263 sstrerror(status, errbuf, sizeof(errbuf)));
264 ros_disconnect(rd->connection);
265 rd->connection = NULL;
266 return (-1);
267 }
268 }
270 #if ROS_VERSION >= ROS_VERSION_ENCODE(1, 1, 0)
271 if (rd->collect_cpu_load || rd->collect_memory || rd->collect_df ||
272 rd->collect_disk) {
273 status = ros_system_resource(rd->connection, handle_system_resource,
274 /* user data = */ rd);
275 if (status != 0) {
276 char errbuf[128];
277 ERROR("routeros plugin: ros_system_resource failed: %s",
278 sstrerror(status, errbuf, sizeof(errbuf)));
279 ros_disconnect(rd->connection);
280 rd->connection = NULL;
281 return (-1);
282 }
283 }
284 #endif
286 return (0);
287 } /* }}} int cr_read */
289 static void cr_free_data(cr_data_t *ptr) /* {{{ */
290 {
291 if (ptr == NULL)
292 return;
294 ros_disconnect(ptr->connection);
295 ptr->connection = NULL;
297 sfree(ptr->node);
298 sfree(ptr->service);
299 sfree(ptr->username);
300 sfree(ptr->password);
302 sfree(ptr);
303 } /* }}} void cr_free_data */
305 static int cr_config_router(oconfig_item_t *ci) /* {{{ */
306 {
307 cr_data_t *router_data;
308 char read_name[128];
309 user_data_t user_data;
310 int status;
312 router_data = calloc(1, sizeof(*router_data));
313 if (router_data == NULL)
314 return (-1);
315 router_data->connection = NULL;
316 router_data->node = NULL;
317 router_data->service = NULL;
318 router_data->username = NULL;
319 router_data->password = NULL;
321 status = 0;
322 for (int i = 0; i < ci->children_num; i++) {
323 oconfig_item_t *child = ci->children + i;
325 if (strcasecmp("Host", child->key) == 0)
326 status = cf_util_get_string(child, &router_data->node);
327 else if (strcasecmp("Port", child->key) == 0)
328 status = cf_util_get_service(child, &router_data->service);
329 else if (strcasecmp("User", child->key) == 0)
330 status = cf_util_get_string(child, &router_data->username);
331 else if (strcasecmp("Password", child->key) == 0)
332 status = cf_util_get_string(child, &router_data->password);
333 else if (strcasecmp("CollectInterface", child->key) == 0)
334 cf_util_get_boolean(child, &router_data->collect_interface);
335 else if (strcasecmp("CollectRegistrationTable", child->key) == 0)
336 cf_util_get_boolean(child, &router_data->collect_regtable);
337 #if ROS_VERSION >= ROS_VERSION_ENCODE(1, 1, 0)
338 else if (strcasecmp("CollectCPULoad", child->key) == 0)
339 cf_util_get_boolean(child, &router_data->collect_cpu_load);
340 else if (strcasecmp("CollectMemory", child->key) == 0)
341 cf_util_get_boolean(child, &router_data->collect_memory);
342 else if (strcasecmp("CollectDF", child->key) == 0)
343 cf_util_get_boolean(child, &router_data->collect_df);
344 else if (strcasecmp("CollectDisk", child->key) == 0)
345 cf_util_get_boolean(child, &router_data->collect_disk);
346 #endif
347 else {
348 WARNING("routeros plugin: Unknown config option `%s'.", child->key);
349 }
351 if (status != 0)
352 break;
353 }
355 if (status == 0) {
356 if (router_data->node == NULL) {
357 ERROR("routeros plugin: No `Host' option within a `Router' block. "
358 "Where should I connect to?");
359 status = -1;
360 }
362 if (router_data->password == NULL) {
363 ERROR("routeros plugin: No `Password' option within a `Router' block. "
364 "How should I authenticate?");
365 status = -1;
366 }
368 if (!router_data->collect_interface && !router_data->collect_regtable) {
369 ERROR("routeros plugin: No `Collect*' option within a `Router' block. "
370 "What statistics should I collect?");
371 status = -1;
372 }
373 }
375 if ((status == 0) && (router_data->username == NULL)) {
376 router_data->username = sstrdup("admin");
377 if (router_data->username == NULL) {
378 ERROR("routeros plugin: sstrdup failed.");
379 status = -1;
380 }
381 }
383 ssnprintf(read_name, sizeof(read_name), "routeros/%s", router_data->node);
384 user_data.data = router_data;
385 user_data.free_func = (void *)cr_free_data;
386 if (status == 0)
387 status = plugin_register_complex_read(
388 /* group = */ NULL, read_name, cr_read, /* interval = */ 0, &user_data);
390 if (status != 0)
391 cr_free_data(router_data);
393 return (status);
394 } /* }}} int cr_config_router */
396 static int cr_config(oconfig_item_t *ci) {
397 for (int i = 0; i < ci->children_num; i++) {
398 oconfig_item_t *child = ci->children + i;
400 if (strcasecmp("Router", child->key) == 0)
401 cr_config_router(child);
402 else {
403 WARNING("routeros plugin: Unknown config option `%s'.", child->key);
404 }
405 }
407 return (0);
408 } /* }}} int cr_config */
410 void module_register(void) {
411 plugin_register_complex_config("routeros", cr_config);
412 } /* void module_register */
414 /* vim: set sw=2 noet fdm=marker : */