/**
* collectd - src/sensors.c
- * Copyright (C) 2005-2007 Florian octo Forster
+ * Copyright (C) 2005-2008 Florian octo Forster
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
# include <sensors/sensors.h>
#endif
-#define SENSOR_TYPE_VOLTAGE 0
-#define SENSOR_TYPE_FANSPEED 1
-#define SENSOR_TYPE_TEMPERATURE 2
-#define SENSOR_TYPE_UNKNOWN 3
+#if !defined(SENSORS_API_VERSION)
+# define SENSORS_API_VERSION 0x000
+#endif
-static char *sensor_to_type[] =
+/*
+ * The sensors library prior to version 3.0 (internal version 0x400) didn't
+ * report the type of values, only a name. The following lists are there to
+ * convert from the names to the type. They are not used with the new
+ * interface.
+ */
+#if SENSORS_API_VERSION < 0x400
+static char *sensor_type_name_map[] =
{
+# define SENSOR_TYPE_VOLTAGE 0
"voltage",
+# define SENSOR_TYPE_FANSPEED 1
"fanspeed",
+# define SENSOR_TYPE_TEMPERATURE 2
"temperature",
+# define SENSOR_TYPE_UNKNOWN 3
NULL
};
};
typedef struct sensors_labeltypes_s sensors_labeltypes_t;
-/*
- * finite list of known labels extracted from lm_sensors
- */
+/* finite list of known labels extracted from lm_sensors */
static sensors_labeltypes_t known_features[] =
{
{ "fan1", SENSOR_TYPE_FANSPEED },
};
static int known_features_num = STATIC_ARRAY_SIZE (known_features);
/* end new naming */
+#endif /* SENSORS_API_VERSION < 0x400 */
static const char *config_keys[] =
{
"Sensor",
- "IgnoreSelected",
- NULL
+ "IgnoreSelected"
};
-static int config_keys_num = 2;
-
-static ignorelist_t *sensor_list;
-
-#ifndef SENSORS_CONF_PATH
-# define SENSORS_CONF_PATH "/etc/sensors.conf"
-#endif
-
-static const char *conffile = SENSORS_CONF_PATH;
-/* SENSORS_CONF_PATH */
-
-/*
- * remember stat of the loaded config
- */
-static time_t sensors_config_mtime = 0;
+static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+#if SENSORS_API_VERSION < 0x400
typedef struct featurelist
{
const sensors_chip_name *chip;
struct featurelist *next;
} featurelist_t;
+# ifndef SENSORS_CONF_PATH
+# define SENSORS_CONF_PATH "/etc/sensors.conf"
+# endif
+/* #endif SENSORS_API_VERSION < 0x400 */
+
+#elif (SENSORS_API_VERSION >= 0x400) && (SENSORS_API_VERSION < 0x500)
+typedef struct featurelist
+{
+ const sensors_chip_name *chip;
+ const sensors_feature *feature;
+ const sensors_subfeature *subfeature;
+ struct featurelist *next;
+} featurelist_t;
+
+# ifndef SENSORS_CONF_PATH
+# define SENSORS_CONF_PATH "/etc/sensors3.conf"
+# endif
+/* #endif (SENSORS_API_VERSION >= 0x400) && (SENSORS_API_VERSION < 0x500) */
+
+#else /* if SENSORS_API_VERSION >= 0x500 */
+# error "This version of libsensors is not supported yet. Please report this " \
+ "as bug."
+#endif
+
+static const char *conffile = SENSORS_CONF_PATH;
featurelist_t *first_feature = NULL;
+static ignorelist_t *sensor_list;
+static time_t sensors_config_mtime = 0;
+
+#if SENSORS_API_VERSION < 0x400
+/* full chip name logic borrowed from lm_sensors */
+static int sensors_snprintf_chip_name (char *buf, size_t buf_size,
+ const sensors_chip_name *chip)
+{
+ int status = -1;
+
+ if (chip->bus == SENSORS_CHIP_NAME_BUS_ISA)
+ {
+ status = ssnprintf (buf, buf_size,
+ "%s-isa-%04x",
+ chip->prefix,
+ chip->addr);
+ }
+ else if (chip->bus == SENSORS_CHIP_NAME_BUS_DUMMY)
+ {
+ status = snprintf (buf, buf_size, "%s-%s-%04x",
+ chip->prefix,
+ chip->busname,
+ chip->addr);
+ }
+ else
+ {
+ status = snprintf (buf, buf_size, "%s-i2c-%d-%02x",
+ chip->prefix,
+ chip->bus,
+ chip->addr);
+ }
+
+ return (status);
+} /* int sensors_snprintf_chip_name */
+
+static int sensors_feature_name_to_type (const char *name)
+{
+ int i;
+
+ /* Yes, this is slow, but it's only ever done during initialization, so
+ * it's a one time cost.. */
+ for (i = 0; i < known_features_num; i++)
+ if (strcasecmp (known_features[i].label, name) == 0)
+ return (known_features[i].type);
+
+ return (SENSOR_TYPE_UNKNOWN);
+} /* int sensors_feature_name_to_type */
+#endif
static int sensors_config (const char *key, const char *value)
{
{
FILE *fh;
featurelist_t *last_feature = NULL;
- featurelist_t *new_feature = NULL;
const sensors_chip_name *chip;
int chip_num;
- const sensors_feature_data *data;
- int data_num0, data_num1;
-
struct stat statbuf;
int status;
sensors_config_mtime = statbuf.st_mtime;
+#if SENSORS_API_VERSION < 0x400
chip_num = 0;
while ((chip = sensors_get_detected_chips (&chip_num)) != NULL)
{
- data = NULL;
- data_num0 = data_num1 = 0;
+ int feature_num0 = 0;
+ int feature_num1 = 0;
- while ((data = sensors_get_all_features (*chip, &data_num0, &data_num1))
- != NULL)
+ while (42)
{
- int i;
+ const sensors_feature_data *feature;
+ int feature_type;
+ featurelist_t *fl;
+
+ feature = sensors_get_all_features (*chip,
+ &feature_num0, &feature_num1);
+
+ /* Check if all features have been read. */
+ if (feature == NULL)
+ break;
/* "master features" only */
- if (data->mapping != SENSORS_NO_MAPPING)
+ if (feature->mapping != SENSORS_NO_MAPPING)
+ {
+ DEBUG ("sensors plugin: sensors_load_conf: "
+ "Ignoring subfeature `%s', "
+ "because (feature->mapping "
+ "!= SENSORS_NO_MAPPING).",
+ feature->name);
continue;
+ }
- /* Only known features */
- for (i = 0; i < known_features_num; i++)
+ /* skip ignored in sensors.conf */
+ if (sensors_get_ignored (*chip, feature->number) == 0)
{
- if (strcmp (data->name, known_features[i].label) != 0)
- continue;
+ DEBUG ("sensors plugin: sensors_load_conf: "
+ "Ignoring subfeature `%s', "
+ "because "
+ "`sensors_get_ignored' told "
+ "me so.",
+ feature->name);
+ continue;
+ }
+
+ feature_type = sensors_feature_name_to_type (
+ feature->name);
+ if (feature_type == SENSOR_TYPE_UNKNOWN)
+ {
+ DEBUG ("sensors plugin: sensors_load_conf: "
+ "Ignoring subfeature `%s', "
+ "because its type is "
+ "unknown.",
+ feature->name);
+ continue;
+ }
+
+ fl = (featurelist_t *) malloc (sizeof (featurelist_t));
+ if (fl == NULL)
+ {
+ ERROR ("sensors plugin: malloc failed.");
+ continue;
+ }
+ memset (fl, '\0', sizeof (featurelist_t));
+
+ fl->chip = chip;
+ fl->data = feature;
+ fl->type = feature_type;
+
+ if (first_feature == NULL)
+ first_feature = fl;
+ else
+ last_feature->next = fl;
+ last_feature = fl;
+ } /* while sensors_get_all_features */
+ } /* while sensors_get_detected_chips */
+/* #endif SENSORS_API_VERSION < 0x400 */
+
+#elif (SENSORS_API_VERSION >= 0x400) && (SENSORS_API_VERSION < 0x500)
+ chip_num = 0;
+ while ((chip = sensors_get_detected_chips (NULL, &chip_num)) != NULL)
+ {
+ const sensors_feature *feature;
+ int feature_num = 0;
- /* skip ignored in sensors.conf */
- if (sensors_get_ignored (*chip, data->number) == 0)
- break;
+ while ((feature = sensors_get_features (chip, &feature_num)) != NULL)
+ {
+ const sensors_subfeature *subfeature;
+ int subfeature_num = 0;
+
+ /* Only handle voltage, fanspeeds and temperatures */
+ if ((feature->type != SENSORS_FEATURE_IN)
+ && (feature->type != SENSORS_FEATURE_FAN)
+ && (feature->type != SENSORS_FEATURE_TEMP))
+ {
+ DEBUG ("sensors plugin: sensors_load_conf: "
+ "Ignoring feature `%s', "
+ "because its type is not "
+ "supported.", feature->name);
+ continue;
+ }
- DEBUG ("Adding feature: %s-%s-%s",
- chip->prefix,
- sensor_to_type[known_features[i].type],
- data->name);
+ while ((subfeature = sensors_get_all_subfeatures (chip,
+ feature, &subfeature_num)) != NULL)
+ {
+ featurelist_t *fl;
+
+ if ((subfeature->type != SENSORS_SUBFEATURE_IN_INPUT)
+ && (subfeature->type != SENSORS_SUBFEATURE_FAN_INPUT)
+ && (subfeature->type != SENSORS_SUBFEATURE_TEMP_INPUT))
+ continue;
- if ((new_feature = (featurelist_t *) malloc (sizeof (featurelist_t))) == NULL)
+ fl = (featurelist_t *) malloc (sizeof (featurelist_t));
+ if (fl == NULL)
{
- char errbuf[1024];
- ERROR ("sensors plugin: malloc: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- break;
+ ERROR ("sensors plugin: malloc failed.");
+ continue;
}
+ memset (fl, '\0', sizeof (featurelist_t));
- new_feature->chip = chip;
- new_feature->data = data;
- new_feature->type = known_features[i].type;
- new_feature->next = NULL;
+ fl->chip = chip;
+ fl->feature = feature;
+ fl->subfeature = subfeature;
if (first_feature == NULL)
- {
- first_feature = new_feature;
- last_feature = new_feature;
- }
+ first_feature = fl;
else
- {
- last_feature->next = new_feature;
- last_feature = new_feature;
- }
-
- /* stop searching known features at first found */
- break;
- } /* for i */
- } /* while sensors_get_all_features */
- } /* while sensors_get_detected_chips */
+ last_feature->next = fl;
+ last_feature = fl;
+ } /* while (subfeature) */
+ } /* while (feature) */
+ } /* while (chip) */
+#endif /* (SENSORS_API_VERSION >= 0x400) && (SENSORS_API_VERSION < 0x500) */
if (first_feature == NULL)
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
- status = snprintf (match_key, sizeof (match_key), "%s/%s-%s",
+ status = ssnprintf (match_key, sizeof (match_key), "%s/%s-%s",
plugin_instance, type, type_instance);
- if ((status < 1) || (status >= sizeof (match_key)))
+ if (status < 1)
return;
- match_key[sizeof (match_key) - 1] = '\0';
if (sensor_list != NULL)
{
vl.values = values;
vl.values_len = 1;
vl.time = time (NULL);
- strcpy (vl.host, hostname_g);
- strcpy (vl.plugin, "sensors");
- strcpy (vl.plugin_instance, plugin_instance);
- strcpy (vl.type_instance, type_instance);
- plugin_dispatch_values (type, &vl);
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "sensors", sizeof (vl.plugin));
+ sstrncpy (vl.plugin_instance, plugin_instance,
+ sizeof (vl.plugin_instance));
+ sstrncpy (vl.type, type, sizeof (vl.type));
+ sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
+
+ plugin_dispatch_values (&vl);
} /* void sensors_submit */
static int sensors_read (void)
{
- featurelist_t *feature;
- double value;
-
- char plugin_instance[DATA_MAX_NAME_LEN];
- char type_instance[DATA_MAX_NAME_LEN];
+ featurelist_t *fl;
if (sensors_load_conf () != 0)
return (-1);
- for (feature = first_feature; feature != NULL; feature = feature->next)
+#if SENSORS_API_VERSION < 0x400
+ for (fl = first_feature; fl != NULL; fl = fl->next)
{
- if (sensors_get_feature (*feature->chip, feature->data->number, &value) < 0)
+ double value;
+ int status;
+ char plugin_instance[DATA_MAX_NAME_LEN];
+ char type_instance[DATA_MAX_NAME_LEN];
+
+ status = sensors_get_feature (*fl->chip,
+ fl->data->number, &value);
+ if (status < 0)
continue;
- /* full chip name logic borrowed from lm_sensors */
- if (feature->chip->bus == SENSORS_CHIP_NAME_BUS_ISA)
- {
- if (snprintf (plugin_instance, DATA_MAX_NAME_LEN, "%s-isa-%04x",
- feature->chip->prefix,
- feature->chip->addr)
- >= 512)
- continue;
- }
- else if (feature->chip->bus == SENSORS_CHIP_NAME_BUS_DUMMY)
- {
- if (snprintf (plugin_instance, 512, "%s-%s-%04x",
- feature->chip->prefix,
- feature->chip->busname,
- feature->chip->addr)
- >= 512)
- continue;
- }
- else
- {
- if (snprintf (plugin_instance, 512, "%s-i2c-%d-%02x",
- feature->chip->prefix,
- feature->chip->bus,
- feature->chip->addr)
- >= 512)
- continue;
- }
+ status = sensors_snprintf_chip_name (plugin_instance,
+ sizeof (plugin_instance), fl->chip);
+ if (status < 0)
+ continue;
- strncpy (type_instance, feature->data->name, DATA_MAX_NAME_LEN);
+ sstrncpy (type_instance, fl->data->name,
+ sizeof (type_instance));
sensors_submit (plugin_instance,
- sensor_to_type[feature->type],
+ sensor_type_name_map[fl->type],
type_instance,
value);
- } /* for feature = first_feature .. NULL */
+ } /* for fl = first_feature .. NULL */
+/* #endif SENSORS_API_VERSION < 0x400 */
+
+#elif (SENSORS_API_VERSION >= 0x400) && (SENSORS_API_VERSION < 0x500)
+ for (fl = first_feature; fl != NULL; fl = fl->next)
+ {
+ double value;
+ int status;
+ char plugin_instance[DATA_MAX_NAME_LEN];
+ char type_instance[DATA_MAX_NAME_LEN];
+ const char *type;
+
+ status = sensors_get_value (fl->chip,
+ fl->subfeature->number, &value);
+ if (status < 0)
+ continue;
+
+ status = sensors_snprintf_chip_name (plugin_instance,
+ sizeof (plugin_instance), fl->chip);
+ if (status < 0)
+ continue;
+
+ sstrncpy (type_instance, fl->feature->name,
+ sizeof (type_instance));
+
+ if (fl->feature->type == SENSORS_FEATURE_IN)
+ type = "voltage";
+ else if (fl->feature->type
+ == SENSORS_FEATURE_FAN)
+ type = "fanspeed";
+ else if (fl->feature->type
+ == SENSORS_FEATURE_TEMP)
+ type = "temperature";
+ else
+ continue;
+
+ sensors_submit (plugin_instance, type, type_instance, value);
+ } /* for fl = first_feature .. NULL */
+#endif /* (SENSORS_API_VERSION >= 0x400) && (SENSORS_API_VERSION < 0x500) */
return (0);
} /* int sensors_read */