Merge branch 'collectd-3.11' into collectd-4.0
[collectd.git] / src / sensors.c
index 4bb544d..fde8dcd 100644 (file)
 # define SENSORS_HAVE_READ 0
 #endif
 
-static data_source_t data_source_fanspeed[1] =
-{
-       {"value", DS_TYPE_GAUGE, 0, NAN}
-};
-
-static data_set_t fanspeed_ds =
-{
-       "fanspeed", 1, data_source_fanspeed
-};
-
-static data_source_t data_source_temperature[1] =
-{
-       {"value", DS_TYPE_GAUGE, -273.15, NAN}
-};
-
-static data_set_t temperature_ds =
-{
-       "temperature", 1, data_source_temperature
-};
-
-static data_source_t data_source_voltage[1] =
-{
-       {"value", DS_TYPE_GAUGE, NAN, NAN}
-};
-
-static data_set_t voltage_ds =
-{
-       "voltage", 1, data_source_voltage
-};
-
 #if SENSORS_HAVE_READ
 #define SENSOR_TYPE_VOLTAGE     0
 #define SENSOR_TYPE_FANSPEED    1
@@ -153,9 +123,9 @@ static sensors_labeltypes_t known_features[] =
        { "3.3V", SENSOR_TYPE_VOLTAGE },
        { "2.5V", SENSOR_TYPE_VOLTAGE },
        { "2.0V", SENSOR_TYPE_VOLTAGE },
-       { "12V", SENSOR_TYPE_VOLTAGE },
-       { (char *) 0, SENSOR_TYPE_UNKNOWN }
+       { "12V", SENSOR_TYPE_VOLTAGE }
 };
+static int known_features_num = STATIC_ARRAY_SIZE (known_features);
 /* end new naming */
 
 static const char *config_keys[] =
@@ -238,7 +208,7 @@ void sensors_free_features (void)
        first_feature = NULL;
 }
 
-static void sensors_load_conf (void)
+static int sensors_load_conf (void)
 {
        FILE *fh;
        featurelist_t *last_feature = NULL;
@@ -256,14 +226,15 @@ static void sensors_load_conf (void)
        status = stat (conffile, &statbuf);
        if (status != 0)
        {
-               ERROR ("sensors plugin: stat (%s) failed: %s",
-                               conffile, strerror (errno));
+               char errbuf[1024];
+               ERROR ("sensors plugin: stat (%s) failed: %s", conffile,
+                               sstrerror (errno, errbuf, sizeof (errbuf)));
                sensors_config_mtime = 0;
        }
 
        if ((sensors_config_mtime != 0)
                        && (sensors_config_mtime == statbuf.st_mtime))
-               return;
+               return (0);
 
        if (sensors_config_mtime != 0)
        {
@@ -276,9 +247,10 @@ static void sensors_load_conf (void)
        fh = fopen (conffile, "r");
        if (fh == NULL)
        {
-               ERROR ("sensors plugin: fopen(%s) failed: %s",
-                               conffile, strerror(errno));
-               return;
+               char errbuf[1024];
+               ERROR ("sensors plugin: fopen(%s) failed: %s", conffile,
+                               sstrerror (errno, errbuf, sizeof (errbuf)));
+               return (-1);
        }
 
        status = sensors_init (fh);
@@ -287,7 +259,7 @@ static void sensors_load_conf (void)
        {
                ERROR ("sensors plugin: Cannot initialize sensors. "
                                "Data will not be collected.");
-               return;
+               return (-1);
        }
 
        sensors_config_mtime = statbuf.st_mtime;
@@ -308,7 +280,7 @@ static void sensors_load_conf (void)
                                continue;
 
                        /* Only known features */
-                       for (i = 0; known_features[i].type >= 0; i++)
+                       for (i = 0; i < known_features_num; i++)
                        {
                                if (strcmp (data->name, known_features[i].label) != 0)
                                        continue;
@@ -324,9 +296,9 @@ static void sensors_load_conf (void)
 
                                if ((new_feature = (featurelist_t *) malloc (sizeof (featurelist_t))) == NULL)
                                {
-                                       DEBUG ("malloc: %s", strerror (errno));
-                                       ERROR ("sensors plugin:  malloc: %s",
-                                                       strerror (errno));
+                                       char errbuf[1024];
+                                       ERROR ("sensors plugin: malloc: %s",
+                                                       sstrerror (errno, errbuf, sizeof (errbuf)));
                                        break;
                                }
 
@@ -357,8 +329,11 @@ static void sensors_load_conf (void)
                sensors_cleanup ();
                INFO ("sensors plugin: lm_sensors reports no "
                                "features. Data will not be collected.");
+               return (-1);
        }
-} /* void sensors_load_conf */
+
+       return (0);
+} /* int sensors_load_conf */
 
 static int sensors_shutdown (void)
 {
@@ -372,11 +347,24 @@ static void sensors_submit (const char *plugin_instance,
                const char *type, const char *type_instance,
                double val)
 {
+       char match_key[1024];
+       int status;
+
        value_t values[1];
        value_list_t vl = VALUE_LIST_INIT;
 
-       if (ignorelist_match (sensor_list, type_instance))
+       status = snprintf (match_key, sizeof (match_key), "%s/%s-%s",
+                       plugin_instance, type, type_instance);
+       if ((status < 1) || (status >= sizeof (match_key)))
                return;
+       match_key[sizeof (match_key) - 1] = '\0';
+
+       if (sensor_list != NULL)
+       {
+               DEBUG ("sensors plugin: Checking ignorelist for `%s'", match_key);
+               if (ignorelist_match (sensor_list, match_key))
+                       return;
+       }
 
        values[0].gauge = val;
 
@@ -399,7 +387,8 @@ static int sensors_read (void)
        char plugin_instance[DATA_MAX_NAME_LEN];
        char type_instance[DATA_MAX_NAME_LEN];
 
-       sensors_load_conf ();
+       if (sensors_load_conf () != 0)
+               return (-1);
 
        for (feature = first_feature; feature != NULL; feature = feature->next)
        {
@@ -448,10 +437,6 @@ static int sensors_read (void)
 
 void module_register (void)
 {
-       plugin_register_data_set (&fanspeed_ds);
-       plugin_register_data_set (&temperature_ds);
-       plugin_register_data_set (&voltage_ds);
-
 #if SENSORS_HAVE_READ
        plugin_register_config ("sensors", sensors_config,
                        config_keys, config_keys_num);