* - config IgnoreSelected option
**/
+
+
#include "collectd.h"
#include "common.h"
#include "plugin.h"
#include "utils_ignorelist.h"
#include "utils_debug.h"
-#define MODULE_NAME "sensors"
-#define MODULE_NAME_VOLTAGE MODULE_NAME"_voltage"
+/*
+ * This weird macro cascade forces the glibc to define `NAN'. I don't know
+ * another way to solve this, so more intelligent solutions are welcome. -octo
+ */
+#ifndef __USE_ISOC99
+# define DISABLE__USE_ISOC99 1
+# define __USE_ISOC99 1
+#endif
+#include <math.h>
+#ifdef DISABLE__USE_ISOC99
+# undef DISABLE__USE_ISOC99
+# undef __USE_ISOC99
+#endif
#if defined(HAVE_SENSORS_SENSORS_H)
# include <sensors/sensors.h>
# define SENSORS_HAVE_READ 0
#endif
-#define BUFSIZE 512
-
-/* temperature and fan sensors */
-static char *ds_def[] =
+static data_source_t data_source[1] =
{
- "DS:value:GAUGE:"COLLECTD_HEARTBEAT":U:U",
- NULL
+ {"value", DS_TYPE_GAUGE, NAN, NAN}
};
-static int ds_num = 1;
-
-/* voltage sensors */
-static char *sensor_voltage_ds_def[] =
+static data_set_t fanspeed_ds =
{
- "DS:voltage:GAUGE:"COLLECTD_HEARTBEAT":U:U",
- NULL
+ "fanspeed", 1, data_source
};
-static int sensor_voltage_ds_num = 1;
-/* old naming */
-static char *old_filename_format = "sensors-%s.rrd";
-/* end old naming */
-
-/* new naming <chip-bus-address/type-feature */
-static char *extended_filename_format = "lm_sensors-%s.rrd";
+static data_set_t temperature_ds =
+{
+ "temperature", 1, data_source
+};
-#define SENSOR_TYPE_UNKNOWN 0
-#define SENSOR_TYPE_VOLTAGE 1
-#define SENSOR_TYPE_FANSPEED 2
-#define SENSOR_TYPE_TEMPERATURE 3
+static data_set_t voltage_ds =
+{
+ "voltage", 1, data_source
+};
#if SENSORS_HAVE_READ
-static char *sensor_type_prefix[] =
+#define SENSOR_TYPE_VOLTAGE 0
+#define SENSOR_TYPE_FANSPEED 1
+#define SENSOR_TYPE_TEMPERATURE 2
+#define SENSOR_TYPE_UNKNOWN 3
+
+static char *sensor_to_type[] =
{
- "unknown",
"voltage",
"fanspeed",
"temperature",
NULL
};
-#endif
-typedef struct sensors_labeltypes {
+struct sensors_labeltypes_s
+{
char *label;
int type;
-} sensors_labeltypes;
+};
+typedef struct sensors_labeltypes_s sensors_labeltypes_t;
/*
* finite list of known labels extracted from lm_sensors
*/
-#if SENSORS_HAVE_READ
-static sensors_labeltypes known_features[] =
+static sensors_labeltypes_t known_features[] =
{
{ "fan1", SENSOR_TYPE_FANSPEED },
{ "fan2", SENSOR_TYPE_FANSPEED },
{ "2.5V", SENSOR_TYPE_VOLTAGE },
{ "2.0V", SENSOR_TYPE_VOLTAGE },
{ "12V", SENSOR_TYPE_VOLTAGE },
- { 0, -1 }
+ { (char *) 0, SENSOR_TYPE_UNKNOWN }
};
-#endif
/* end new naming */
-static char *config_keys[] =
+static const char *config_keys[] =
{
"Sensor",
"IgnoreSelected",
- "ExtendedSensorNaming",
NULL
};
-static int config_keys_num = 3;
+static int config_keys_num = 2;
static ignorelist_t *sensor_list;
-/*
- * sensor_extended_naming:
- * 0 => default is to create chip-feature
- * 1 => use new naming scheme chip-bus-address/type-feature
- */
-static int sensor_extended_naming = 0;
-
-#if SENSORS_HAVE_READ
#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 struct stat sensors_conf_stat;
-static int sensors_conf_loaded = 0;
+static time_t sensors_config_mtime = 0;
typedef struct featurelist
{
} featurelist_t;
featurelist_t *first_feature = NULL;
-#endif /* if SENSORS_HAVE_READ */
-static int sensors_config (char *key, char *value)
+static int sensors_config (const char *key, const char *value)
{
if (sensor_list == NULL)
sensor_list = ignorelist_create (1);
{
if (ignorelist_add (sensor_list, value))
{
- syslog (LOG_EMERG, MODULE_NAME": Cannot add value to ignorelist.");
+ syslog (LOG_ERR, "sensors plugin: "
+ "Cannot add value to ignorelist.");
return (1);
}
}
|| (strcasecmp (value, "On") == 0))
ignorelist_set_invert (sensor_list, 0);
}
- else if (strcasecmp (key, "ExtendedSensorNaming") == 0)
- {
- if ((strcasecmp (value, "True") == 0)
- || (strcasecmp (value, "Yes") == 0)
- || (strcasecmp (value, "On") == 0))
- sensor_extended_naming = 1;
- else
- sensor_extended_naming = 0;
- }
else
{
return (-1);
return (0);
}
-#if SENSORS_HAVE_READ
void sensors_free_features (void)
{
featurelist_t *thisft;
featurelist_t *nextft;
- if (sensors_conf_loaded)
- {
- sensors_cleanup ();
- sensors_conf_loaded = 0;
- }
+ if (first_feature == NULL)
+ return;
+
+ sensors_cleanup ();
for (thisft = first_feature; thisft != NULL; thisft = nextft)
{
first_feature = NULL;
}
-static void sensors_load_conf (int firsttime)
+static void sensors_load_conf (void)
{
FILE *fh;
featurelist_t *last_feature = NULL;
- featurelist_t *new_feature;
+ 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_free_features ();
- new_feature = first_feature;
+ status = stat (conffile, &statbuf);
+ if (status != 0)
+ {
+ syslog (LOG_ERR, "sensors plugin: stat (%s) failed: %s",
+ conffile, strerror (errno));
+ sensors_config_mtime = 0;
+ }
-#ifdef assert
- assert (new_feature == NULL);
- assert (last_feature == NULL);
-#endif
+ if ((sensors_config_mtime != 0)
+ && (sensors_config_mtime == statbuf.st_mtime))
+ return;
- if ((fh = fopen (conffile, "r")) == NULL)
+ if (sensors_config_mtime != 0)
{
- syslog (LOG_ERR, MODULE_NAME": cannot open %s: %s. "
- "Data will not be collected.", conffile, strerror(errno));
- return;
+ syslog (LOG_NOTICE, "sensors plugin: Reloading config from %s",
+ conffile);
+ sensors_free_features ();
+ sensors_config_mtime = 0;
}
- if (sensors_init (fh))
+ fh = fopen (conffile, "r");
+ if (fh == NULL)
{
- fclose (fh);
- syslog (LOG_ERR, MODULE_NAME": Cannot initialize sensors. "
- "Data will not be collected.");
+ syslog (LOG_ERR, "sensors plugin: fopen(%s) failed: %s",
+ conffile, strerror(errno));
return;
}
- /* remember file status to detect changes */
- if (fstat (fileno (fh), &sensors_conf_stat) == -1)
+ status = sensors_init (fh);
+ fclose (fh);
+ if (status != 0)
{
- fclose (fh);
- syslog (LOG_ERR, MODULE_NAME": cannot fstat %s: %s "
- "Data will not be collected.", conffile, strerror(errno));
+ syslog (LOG_ERR, "sensors plugin: Cannot initialize sensors. "
+ "Data will not be collected.");
return;
}
- fclose (fh);
+ sensors_config_mtime = statbuf.st_mtime;
chip_num = 0;
while ((chip = sensors_get_detected_chips (&chip_num)) != NULL)
if ((new_feature = (featurelist_t *) malloc (sizeof (featurelist_t))) == NULL)
{
DBG ("malloc: %s", strerror (errno));
- syslog (LOG_ERR, MODULE_NAME": malloc: %s",
+ syslog (LOG_ERR, "sensors plugin: malloc: %s",
strerror (errno));
break;
}
} /* while sensors_get_all_features */
} /* while sensors_get_detected_chips */
- if (!firsttime)
- syslog (LOG_INFO, MODULE_NAME": lm_sensors' configuration reloaded.");
-
if (first_feature == NULL)
{
sensors_cleanup ();
- sensors_conf_loaded = 0;
- syslog (LOG_INFO, MODULE_NAME": lm_sensors reports no features. "
- "Data will not be collected.");
+ syslog (LOG_INFO, "sensors plugin: lm_sensors reports no "
+ "features. Data will not be collected.");
}
- else
- sensors_conf_loaded = 1;
-}
-#endif /* if SENSORS_HAVE_READ */
+} /* void sensors_load_conf */
-static void collectd_sensors_init (void)
+static int sensors_shutdown (void)
{
-#if SENSORS_HAVE_READ
- sensors_load_conf (1);
-#endif /* if SENSORS_HAVE_READ */
-}
-
-static void sensors_shutdown (void)
-{
-#if SENSORS_HAVE_READ
sensors_free_features ();
-#endif /* if SENSORS_HAVE_READ */
-
ignorelist_free (sensor_list);
-}
-static void sensors_voltage_write (char *host, char *inst, char *val)
-{
- char file[BUFSIZE];
- int status;
-
- /* skip ignored in our config */
- if (ignorelist_match (sensor_list, inst))
- return;
-
- /* extended sensor naming */
- if(sensor_extended_naming)
- status = snprintf (file, BUFSIZE, extended_filename_format, inst);
- else
- status = snprintf (file, BUFSIZE, old_filename_format, inst);
-
- if ((status < 1) || (status >= BUFSIZE))
- return;
-
- rrd_update_file (host, file, val, sensor_voltage_ds_def, sensor_voltage_ds_num);
-}
-
-static void sensors_write (char *host, char *inst, char *val)
-{
- char file[BUFSIZE];
- int status;
-
- /* skip ignored in our config */
- if (ignorelist_match (sensor_list, inst))
- return;
-
- /* extended sensor naming */
- if (sensor_extended_naming)
- status = snprintf (file, BUFSIZE, extended_filename_format, inst);
- else
- status = snprintf (file, BUFSIZE, old_filename_format, inst);
-
- if ((status < 1) || (status >= BUFSIZE))
- return;
-
- rrd_update_file (host, file, val, ds_def, ds_num);
-}
+ return (0);
+} /* int sensors_shutdown */
-#if SENSORS_HAVE_READ
-static void sensors_submit (const char *feat_name,
- const char *chip_prefix, double value, int type)
+static void sensors_submit (const char *plugin_instance,
+ const char *type, const char *type_instance,
+ double val)
{
- char buf[BUFSIZE];
- char inst[BUFSIZE];
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
- if (snprintf (inst, BUFSIZE, "%s-%s", chip_prefix, feat_name)
- >= BUFSIZE)
+ if (ignorelist_match (sensor_list, type_instance))
return;
- /* skip ignored in our config */
- if (ignorelist_match (sensor_list, inst))
- return;
+ values[0].gauge = val;
- if (snprintf (buf, BUFSIZE, "%u:%.3f", (unsigned int) curtime,
- value) >= BUFSIZE)
- return;
+ vl.values = values;
+ vl.values_len = 1;
+ vl.time = time (NULL);
+ strcpy (vl.host, hostname);
+ strcpy (vl.plugin, "sensors");
+ strcpy (vl.plugin_instance, plugin_instance);
+ strcpy (vl.type_instance, type_instance);
- if (type == SENSOR_TYPE_VOLTAGE)
- {
- DBG ("%s: %s/%s, %s", MODULE_NAME_VOLTAGE,
- sensor_type_prefix[type], inst, buf);
- plugin_submit (MODULE_NAME_VOLTAGE, inst, buf);
- }
- else
- {
- DBG ("%s: %s/%s, %s", MODULE_NAME,
- sensor_type_prefix[type], inst, buf);
- plugin_submit (MODULE_NAME, inst, buf);
- }
-}
+ plugin_dispatch_values (type, &vl);
+} /* void sensors_submit */
-static void sensors_read (void)
+static int sensors_read (void)
{
featurelist_t *feature;
double value;
- char chip_fullprefix[BUFSIZE];
- struct stat changedbuf;
+ char chip_fullprefix[512];
- /* check sensors.conf for changes */
- if (sensors_conf_loaded)
- {
- if (stat (conffile, &changedbuf) == -1)
- {
- syslog (LOG_ERR, MODULE_NAME": cannot stat %s: %s",
- conffile, strerror(errno));
- /*
- * sensors.conf does not exist,
- * throw away previous conf
- */
- sensors_load_conf (0);
- }
- else
- {
- if ((changedbuf.st_size != sensors_conf_stat.st_size) ||
- (changedbuf.st_mtime != sensors_conf_stat.st_mtime) ||
- (changedbuf.st_ino != sensors_conf_stat.st_ino))
- {
- sensors_load_conf (0);
- }
- }
- }
+ char plugin_instance[DATA_MAX_NAME_LEN];
+ char type_instance[DATA_MAX_NAME_LEN];
+
+ sensors_load_conf ();
for (feature = first_feature; feature != NULL; feature = feature->next)
{
if (sensors_get_feature (*feature->chip, feature->data->number, &value) < 0)
continue;
- if (sensor_extended_naming)
+ /* full chip name logic borrowed from lm_sensors */
+ if (feature->chip->bus == SENSORS_CHIP_NAME_BUS_ISA)
{
- /* full chip name logic borrowed from lm_sensors */
- if (feature->chip->bus == SENSORS_CHIP_NAME_BUS_ISA)
- {
- if (snprintf (chip_fullprefix, BUFSIZE, "%s-isa-%04x/%s",
- feature->chip->prefix,
- feature->chip->addr,
- sensor_type_prefix[feature->type])
- >= BUFSIZE)
- continue;
- }
- else if (feature->chip->bus == SENSORS_CHIP_NAME_BUS_DUMMY)
- {
- if (snprintf (chip_fullprefix, BUFSIZE, "%s-%s-%04x/%s",
- feature->chip->prefix,
- feature->chip->busname,
- feature->chip->addr,
- sensor_type_prefix[feature->type])
- >= BUFSIZE)
- continue;
- }
- else
- {
- if (snprintf (chip_fullprefix, BUFSIZE, "%s-i2c-%d-%02x/%s",
- feature->chip->prefix,
- feature->chip->bus,
- feature->chip->addr,
- sensor_type_prefix[feature->type])
- >= BUFSIZE)
- continue;
- }
-
- sensors_submit (feature->data->name,
- chip_fullprefix,
- value, feature->type);
+ 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
{
- sensors_submit (feature->data->name,
- feature->chip->prefix,
- value, feature->type);
+ if (snprintf (plugin_instance, 512, "%s-i2c-%d-%02x",
+ feature->chip->prefix,
+ feature->chip->bus,
+ feature->chip->addr)
+ >= 512)
+ continue;
}
- }
-}
-#else
-# define sensors_read NULL
+
+ strncpy (type_instance, feature->data->name, DATA_MAX_NAME_LEN);
+
+ sensors_submit (plugin_instance,
+ sensor_to_type[feature->type]
+ type_instance,
+ value);
+ } /* for feature = first_feature .. NULL */
+} /* int sensors_read */
#endif /* SENSORS_HAVE_READ */
void module_register (void)
{
- plugin_register (MODULE_NAME, collectd_sensors_init, sensors_read, sensors_write);
- plugin_register (MODULE_NAME_VOLTAGE, NULL, NULL, sensors_voltage_write);
- plugin_register_shutdown (MODULE_NAME, sensors_shutdown);
- cf_register (MODULE_NAME, sensors_config, config_keys, config_keys_num);
-}
+ plugin_register_data_set (&fanspeed_ds);
+ plugin_register_data_set (&temperature_ds);
+ plugin_register_data_set (&voltage_ds);
-#undef BUFSIZE
-#undef MODULE_NAME
+#if SENSORS_HAVE_READ
+ plugin_register_config ("sensors", sensors_config,
+ config_keys, config_keys_num);
+ plugin_register_read ("sensors", sensors_read);
+ plugin_register_shutdown ("sensors", sensors_shutdown);
+#endif
+} /* void module_register */
projects / collectd.git / blobdiff