2 * collectd - src/sensors.c
3 * Copyright (C) 2005-2007 Florian octo Forster
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; only version 2 of the License is applicable.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 * Florian octo Forster <octo at verplant.org>
21 * Lubos Stanek <lubek at users.sourceforge.net> Wed Oct 27, 2006
22 * - config ExtendedSensorNaming option
23 * - precise sensor feature selection (chip-bus-address/type-feature)
24 * with ExtendedSensorNaming
25 * - more sensor features (finite list)
26 * - honor sensors.conf's ignored
27 * - config Sensor option
28 * - config IgnoreSelected option
34 #include "configfile.h"
35 #include "utils_ignorelist.h"
37 #if defined(HAVE_SENSORS_SENSORS_H)
38 # include <sensors/sensors.h>
40 # undef HAVE_LIBSENSORS
43 #if defined(HAVE_LIBSENSORS)
44 # define SENSORS_HAVE_READ 1
46 # define SENSORS_HAVE_READ 0
50 #define SENSOR_TYPE_VOLTAGE 0
51 #define SENSOR_TYPE_FANSPEED 1
52 #define SENSOR_TYPE_TEMPERATURE 2
53 #define SENSOR_TYPE_UNKNOWN 3
55 static char *sensor_to_type[] =
63 struct sensors_labeltypes_s
68 typedef struct sensors_labeltypes_s sensors_labeltypes_t;
71 * finite list of known labels extracted from lm_sensors
73 static sensors_labeltypes_t known_features[] =
75 { "fan1", SENSOR_TYPE_FANSPEED },
76 { "fan2", SENSOR_TYPE_FANSPEED },
77 { "fan3", SENSOR_TYPE_FANSPEED },
78 { "fan4", SENSOR_TYPE_FANSPEED },
79 { "fan5", SENSOR_TYPE_FANSPEED },
80 { "fan6", SENSOR_TYPE_FANSPEED },
81 { "fan7", SENSOR_TYPE_FANSPEED },
82 { "AIN2", SENSOR_TYPE_VOLTAGE },
83 { "AIN1", SENSOR_TYPE_VOLTAGE },
84 { "in10", SENSOR_TYPE_VOLTAGE },
85 { "in9", SENSOR_TYPE_VOLTAGE },
86 { "in8", SENSOR_TYPE_VOLTAGE },
87 { "in7", SENSOR_TYPE_VOLTAGE },
88 { "in6", SENSOR_TYPE_VOLTAGE },
89 { "in5", SENSOR_TYPE_VOLTAGE },
90 { "in4", SENSOR_TYPE_VOLTAGE },
91 { "in3", SENSOR_TYPE_VOLTAGE },
92 { "in2", SENSOR_TYPE_VOLTAGE },
93 { "in0", SENSOR_TYPE_VOLTAGE },
94 { "CPU_Temp", SENSOR_TYPE_TEMPERATURE },
95 { "remote_temp", SENSOR_TYPE_TEMPERATURE },
96 { "temp1", SENSOR_TYPE_TEMPERATURE },
97 { "temp2", SENSOR_TYPE_TEMPERATURE },
98 { "temp3", SENSOR_TYPE_TEMPERATURE },
99 { "temp4", SENSOR_TYPE_TEMPERATURE },
100 { "temp5", SENSOR_TYPE_TEMPERATURE },
101 { "temp6", SENSOR_TYPE_TEMPERATURE },
102 { "temp7", SENSOR_TYPE_TEMPERATURE },
103 { "temp", SENSOR_TYPE_TEMPERATURE },
104 { "Vccp2", SENSOR_TYPE_VOLTAGE },
105 { "Vccp1", SENSOR_TYPE_VOLTAGE },
106 { "vdd", SENSOR_TYPE_VOLTAGE },
107 { "vid5", SENSOR_TYPE_VOLTAGE },
108 { "vid4", SENSOR_TYPE_VOLTAGE },
109 { "vid3", SENSOR_TYPE_VOLTAGE },
110 { "vid2", SENSOR_TYPE_VOLTAGE },
111 { "vid1", SENSOR_TYPE_VOLTAGE },
112 { "vid", SENSOR_TYPE_VOLTAGE },
113 { "vin4", SENSOR_TYPE_VOLTAGE },
114 { "vin3", SENSOR_TYPE_VOLTAGE },
115 { "vin2", SENSOR_TYPE_VOLTAGE },
116 { "vin1", SENSOR_TYPE_VOLTAGE },
117 { "voltbatt", SENSOR_TYPE_VOLTAGE },
118 { "volt12", SENSOR_TYPE_VOLTAGE },
119 { "volt5", SENSOR_TYPE_VOLTAGE },
120 { "vrm", SENSOR_TYPE_VOLTAGE },
121 { "5.0V", SENSOR_TYPE_VOLTAGE },
122 { "5V", SENSOR_TYPE_VOLTAGE },
123 { "3.3V", SENSOR_TYPE_VOLTAGE },
124 { "2.5V", SENSOR_TYPE_VOLTAGE },
125 { "2.0V", SENSOR_TYPE_VOLTAGE },
126 { "12V", SENSOR_TYPE_VOLTAGE }
128 static int known_features_num = STATIC_ARRAY_SIZE (known_features);
131 static const char *config_keys[] =
137 static int config_keys_num = 2;
139 static ignorelist_t *sensor_list;
141 #ifndef SENSORS_CONF_PATH
142 # define SENSORS_CONF_PATH "/etc/sensors.conf"
145 static const char *conffile = SENSORS_CONF_PATH;
146 /* SENSORS_CONF_PATH */
149 * remember stat of the loaded config
151 static time_t sensors_config_mtime = 0;
153 typedef struct featurelist
155 const sensors_chip_name *chip;
156 const sensors_feature_data *data;
158 struct featurelist *next;
161 featurelist_t *first_feature = NULL;
163 static int sensors_config (const char *key, const char *value)
165 if (sensor_list == NULL)
166 sensor_list = ignorelist_create (1);
168 if (strcasecmp (key, "Sensor") == 0)
170 if (ignorelist_add (sensor_list, value))
172 ERROR ("sensors plugin: "
173 "Cannot add value to ignorelist.");
177 else if (strcasecmp (key, "IgnoreSelected") == 0)
179 ignorelist_set_invert (sensor_list, 1);
180 if ((strcasecmp (value, "True") == 0)
181 || (strcasecmp (value, "Yes") == 0)
182 || (strcasecmp (value, "On") == 0))
183 ignorelist_set_invert (sensor_list, 0);
193 void sensors_free_features (void)
195 featurelist_t *thisft;
196 featurelist_t *nextft;
198 if (first_feature == NULL)
203 for (thisft = first_feature; thisft != NULL; thisft = nextft)
205 nextft = thisft->next;
208 first_feature = NULL;
211 static int sensors_load_conf (void)
214 featurelist_t *last_feature = NULL;
215 featurelist_t *new_feature = NULL;
217 const sensors_chip_name *chip;
220 const sensors_feature_data *data;
221 int data_num0, data_num1;
226 status = stat (conffile, &statbuf);
230 ERROR ("sensors plugin: stat (%s) failed: %s", conffile,
231 sstrerror (errno, errbuf, sizeof (errbuf)));
232 sensors_config_mtime = 0;
235 if ((sensors_config_mtime != 0)
236 && (sensors_config_mtime == statbuf.st_mtime))
239 if (sensors_config_mtime != 0)
241 NOTICE ("sensors plugin: Reloading config from %s",
243 sensors_free_features ();
244 sensors_config_mtime = 0;
247 fh = fopen (conffile, "r");
251 ERROR ("sensors plugin: fopen(%s) failed: %s", conffile,
252 sstrerror (errno, errbuf, sizeof (errbuf)));
256 status = sensors_init (fh);
260 ERROR ("sensors plugin: Cannot initialize sensors. "
261 "Data will not be collected.");
265 sensors_config_mtime = statbuf.st_mtime;
268 while ((chip = sensors_get_detected_chips (&chip_num)) != NULL)
271 data_num0 = data_num1 = 0;
273 while ((data = sensors_get_all_features (*chip, &data_num0, &data_num1))
278 /* "master features" only */
279 if (data->mapping != SENSORS_NO_MAPPING)
282 /* Only known features */
283 for (i = 0; i < known_features_num; i++)
285 if (strcmp (data->name, known_features[i].label) != 0)
288 /* skip ignored in sensors.conf */
289 if (sensors_get_ignored (*chip, data->number) == 0)
292 DEBUG ("Adding feature: %s-%s-%s",
294 sensor_to_type[known_features[i].type],
297 if ((new_feature = (featurelist_t *) malloc (sizeof (featurelist_t))) == NULL)
300 ERROR ("sensors plugin: malloc: %s",
301 sstrerror (errno, errbuf, sizeof (errbuf)));
305 new_feature->chip = chip;
306 new_feature->data = data;
307 new_feature->type = known_features[i].type;
308 new_feature->next = NULL;
310 if (first_feature == NULL)
312 first_feature = new_feature;
313 last_feature = new_feature;
317 last_feature->next = new_feature;
318 last_feature = new_feature;
321 /* stop searching known features at first found */
324 } /* while sensors_get_all_features */
325 } /* while sensors_get_detected_chips */
327 if (first_feature == NULL)
330 INFO ("sensors plugin: lm_sensors reports no "
331 "features. Data will not be collected.");
336 } /* int sensors_load_conf */
338 static int sensors_shutdown (void)
340 sensors_free_features ();
341 ignorelist_free (sensor_list);
344 } /* int sensors_shutdown */
346 static void sensors_submit (const char *plugin_instance,
347 const char *type, const char *type_instance,
351 value_list_t vl = VALUE_LIST_INIT;
353 if ((sensor_list != NULL)
354 && (ignorelist_match (sensor_list, type_instance)))
357 values[0].gauge = val;
361 vl.time = time (NULL);
362 strcpy (vl.host, hostname_g);
363 strcpy (vl.plugin, "sensors");
364 strcpy (vl.plugin_instance, plugin_instance);
365 strcpy (vl.type_instance, type_instance);
367 plugin_dispatch_values (type, &vl);
368 } /* void sensors_submit */
370 static int sensors_read (void)
372 featurelist_t *feature;
375 char plugin_instance[DATA_MAX_NAME_LEN];
376 char type_instance[DATA_MAX_NAME_LEN];
378 if (sensors_load_conf () != 0)
381 for (feature = first_feature; feature != NULL; feature = feature->next)
383 if (sensors_get_feature (*feature->chip, feature->data->number, &value) < 0)
386 /* full chip name logic borrowed from lm_sensors */
387 if (feature->chip->bus == SENSORS_CHIP_NAME_BUS_ISA)
389 if (snprintf (plugin_instance, DATA_MAX_NAME_LEN, "%s-isa-%04x",
390 feature->chip->prefix,
395 else if (feature->chip->bus == SENSORS_CHIP_NAME_BUS_DUMMY)
397 if (snprintf (plugin_instance, 512, "%s-%s-%04x",
398 feature->chip->prefix,
399 feature->chip->busname,
406 if (snprintf (plugin_instance, 512, "%s-i2c-%d-%02x",
407 feature->chip->prefix,
414 strncpy (type_instance, feature->data->name, DATA_MAX_NAME_LEN);
416 sensors_submit (plugin_instance,
417 sensor_to_type[feature->type],
420 } /* for feature = first_feature .. NULL */
423 } /* int sensors_read */
424 #endif /* SENSORS_HAVE_READ */
426 void module_register (void)
428 #if SENSORS_HAVE_READ
429 plugin_register_config ("sensors", sensors_config,
430 config_keys, config_keys_num);
431 plugin_register_read ("sensors", sensors_read);
432 plugin_register_shutdown ("sensors", sensors_shutdown);
434 } /* void module_register */