+ LIBSENSORS_CHIP_PARSE_ERROR,

+ LIBSENSORS_MISSING_FEATURE_ERROR,

+ LIBSENSORS_REGEX_URL_COMPILE_ERROR,

+ LIBSENSORS_CHIP_NOT_FOUND_ERROR

+#if SENSORS_API_VERSION < 0x400

+ char *name;

+ /* taken from lm-sensors:prog/sensors/main.c:sprintf_chip_name */

+ switch (chip->bus) {

+ case SENSORS_CHIP_NAME_BUS_ISA:

+ name = g_strdup_printf ("%s-isa-%04x", chip->prefix, chip->addr);

+ break;

+ case SENSORS_CHIP_NAME_BUS_DUMMY:

+ name = g_strdup_printf ("%s-%s-%04x", chip->prefix, chip->busname, chip->addr);

+ break;

+ case SENSORS_CHIP_NAME_BUS_PCI:

+ name = g_strdup_printf ("%s-pci-%04x", chip->prefix, chip->addr);

+ break;

+ default:

+ name = g_strdup_printf ("%s-i2c-%d-%02x", chip->prefix, chip->bus, chip->addr);

+ break;

+ }

+

+/* adapted from lm-sensors:prog/sensors/main.c:sprintf_chip_name in lm-sensors-3.0 */

+ name = g_malloc0(BUF_SIZE);

+ if (sensors_snprintf_chip_name(name, BUF_SIZE, chip) < 0) {

+ g_free(name);

+ name = NULL;

+ }

+ return name;

+ SensorType type = CURRENT_SENSOR;

+

+ if (g_strrstr(name, "in")) {

+ type = VOLTAGE_SENSOR;

+ }

+ else if (g_strrstr(name, "fan")) {

+ type = FAN_SENSOR;

+ }

+ else if (g_strrstr(name, "temp")) {

+ type = TEMP_SENSOR;

+ } else {

+ g_debug("sensor %s not recognised as either voltage, fan or temp sensor - assuming is a current sensor", name);

+ type = CURRENT_SENSOR;

+ }

+ return type;

+ char *label;

+

+ if (sensors_get_ignored(chip, feature) && (sensors_get_label(chip, feature, &label) == 0)) {

+ if (! (strcmp ("alarms", label) == 0 || strncmp ("sensor", label, 6) == 0)) {

+ return label;

+ } else {

+ free (label);

+ }

+ return NULL;

+static const sensors_feature_data * get_sensor_min_max(const sensors_chip_name *chip,

+ int *n1, int *n2,

+ int number,

+ gdouble *low_value,

+ gdouble *high_value) {

+

+ const sensors_feature_data *data;

+ double value;

+

+ /* The sub features are returned directly after the main feature by

+ sensors_get_all_features(), so no need to iterate over all features */

+ while ((data = sensors_get_all_features (*chip, n1, n2)) != NULL && data->mapping == number) {

+ if ((data->mode & SENSORS_MODE_R) && (sensors_get_feature(*chip, data->number, &value) == 0) && data->name != NULL) {

+

+ if (g_str_has_suffix(data->name, "_min")) {

+ *low_value = value;

+ g_debug("overriding low value of sensor %s with value %f", data->name, value);

+ } else if (g_str_has_suffix(data->name, "_max")) {

+ *high_value = value;

+ g_debug("overriding high value of sensor %s with value %f", data->name, value);

+ }

+ }

+ }

+ return data;

+ switch (type) {

+ case TEMP_SENSOR:

+ return CPU_ICON;

+ case FAN_SENSOR:

+ return FAN_ICON;

+ default:

+ return GENERIC_ICON;

+ }

+ const sensors_feature_data *data) {

+

+ char *label;

+ double value;

+ SensorsAppletSensorInfo *sensor_info = NULL;

+

+ /* ... some of which are boring ... */

+ if ((label = get_sensor_interesting_label (*chip, data->number))) {

+ /* ... and some of which are actually sensors */

+ if ((data->mode & SENSORS_MODE_R) &&

+ (data->mapping == SENSORS_NO_MAPPING) &&

+ (sensors_get_feature(*chip, data->number, &value) == 0)) { /* make sure we can actually get a value for it */

+

+ SensorType type;

+ gboolean visible;

+ IconType icon;

+ gdouble low_value, high_value;

+

+ gchar *url;

+

+ type = get_sensor_type (data->name);

+ visible = (type == TEMP_SENSOR ? TRUE : FALSE);

+ icon = get_sensor_icon(type);

+

+ /* the 'path' contains all the information we need to identify this sensor later */

+ url = g_strdup_printf ("sensor://%s/%d", chip_name, data->number);

+

+ /* get low and high values */

+ sensors_applet_plugin_default_sensor_limits(type, &low_value, &high_value);

+

+ data = get_sensor_min_max(chip, n1, n2, data->number, &low_value, &high_value);

+ if (data != NULL) {

+ /* try adding this one */

+ /* at this point we have called sensors_get_all_features() and stopped when we have a potential new sensor, so make sure we try this as well - do a recursive call */

+ check_sensor_with_data(sensors, chip_name, chip, n1, n2, data);

+ }

+

+ g_hash_table_insert(hash_table, g_strdup(url), (void *)chip);

+ /* the id identifies a particular sensor for the user; */

+ /* we default to the label returned by libsensors */

+ sensors_applet_plugin_add_sensor_with_limits(sensors,

+ url,

+ label,

+ label,

+ type,

+ visible,

+ low_value,

+ high_value,

+ icon,

+ DEFAULT_GRAPH_COLOR);

+ g_free(url);

+ free (label);

+ }

+

+ const sensors_chip_name *chip_name;

+ int i;

+ GList *sensors = NULL;

+

+#if SENSORS_API_VERSION < 0x400

+ FILE *file;

+ g_debug("%s: using libsensors version < 4", __FUNCTION__);

+

+ /* try to open config file, otherwise try alternate config

+ * file - if neither succeed, exit */

+ if ((file = fopen (LIBSENSORS_CONFIG_FILE, "r")) == NULL) {

+ if ((file = fopen (LIBSENSORS_ALTERNATIVE_CONFIG_FILE, "r")) == NULL) {

+ g_debug("%s: error opening libsensors config file... ", __FUNCTION__);

+ return sensors;

+ }

+ }

+

+ /* at this point should have an open config file, if is not

+ * valid, close file and return */

+ if (sensors_init(file) != 0) {

+ fclose(file);

+ g_debug("%s: error initing libsensors from config file...", __FUNCTION__);

+ return sensors;

+ }

+ fclose(file);

+

+ /* libsensors exposes a number of chips - ... */

+ i = 0;

+ while ((chip_name = sensors_get_detected_chips (&i)) != NULL) {

+ char *chip_name_string;

+ const sensors_feature_data *data;

+ int n1 = 0, n2 = 0;

+

+ chip_name_string = get_chip_name_string(chip_name);

+

+ /* ... each of which has one or more 'features' ... */

+ while ((data = sensors_get_all_features (*chip_name, &n1, &n2)) != NULL) { /* error */

+ /* fill in list for us */

+ check_sensor_with_data(&sensors, chip_name_string, chip_name, &n1, &n2, data);

+ }

+ g_free (chip_name_string);

+ }

+ g_debug("%s: using libsensors version >= 4", __FUNCTION__);

+

+ int nr = 0;

+ if (sensors_init(NULL) != 0) {

+ g_debug("%s: error initing libsensors", __FUNCTION__);

+ return sensors;

+ }

+

+ i = 0;

+ while ((chip_name = sensors_get_detected_chips(NULL, &nr))) {

+

+ char *chip_name_string, *label;

+ const sensors_subfeature *input_feature;

+ const sensors_subfeature *low_feature;

+ const sensors_subfeature *high_feature;

+ const sensors_feature *main_feature;

+ SensorType type;

+ gint nr1 = 0;

+ gdouble value, low, high;

+ gchar *path;

+ gboolean visible;

+ IconType icon;

+

+ chip_name_string = get_chip_name_string(chip_name);

+ if (chip_name_string == NULL) {

+ g_debug("%s: %d: error getting name string for sensor: %s\n", __FILE__, __LINE__, chip_name->path);

+ continue;

+

+ while ((main_feature = sensors_get_features(chip_name, &nr1))) {

+ switch (main_feature->type) {

+ case SENSORS_FEATURE_IN:

+ type = VOLTAGE_SENSOR;

+ input_feature = sensors_get_subfeature(chip_name, main_feature, SENSORS_SUBFEATURE_IN_INPUT);

+ low_feature = sensors_get_subfeature(chip_name, main_feature, SENSORS_SUBFEATURE_IN_MIN);

+ high_feature = sensors_get_subfeature(chip_name, main_feature, SENSORS_SUBFEATURE_IN_MAX);

+ break;

+

+ case SENSORS_FEATURE_FAN:

+ type = FAN_SENSOR;

+ input_feature = sensors_get_subfeature(chip_name, main_feature, SENSORS_SUBFEATURE_FAN_INPUT);

+ low_feature = sensors_get_subfeature(chip_name, main_feature, SENSORS_SUBFEATURE_FAN_MIN);

+ /* no fan max feature */

+ high_feature = NULL;

+ break;

+

+ case SENSORS_FEATURE_TEMP:

+ type = TEMP_SENSOR;

+ input_feature = sensors_get_subfeature(chip_name, main_feature, SENSORS_SUBFEATURE_TEMP_INPUT);

+ low_feature = sensors_get_subfeature(chip_name, main_feature, SENSORS_SUBFEATURE_TEMP_MIN);

+ high_feature = sensors_get_subfeature(chip_name, main_feature, SENSORS_SUBFEATURE_TEMP_MAX);

+ if (!high_feature)

+ high_feature = sensors_get_subfeature(chip_name, main_feature, SENSORS_SUBFEATURE_TEMP_CRIT);

+ break;

+

+ default:

+ g_debug("%s: %d: error determining type for: %s\n", __FILE__, __LINE__, chip_name_string);

+ continue;

+ }

+

+ if (!input_feature) {

+ g_debug("%s: %d: could not get input subfeature for: %s\n", __FILE__, __LINE__, chip_name_string);

+ continue;

+ }

+

+ /* if still here we got input feature so get label */

+ label = sensors_get_label(chip_name, main_feature);

+ if (!label) {

+ g_debug("%s: %d: error: could not get label for: %s\n", __FILE__, __LINE__, chip_name_string);

+ continue;

+ }

+

+ g_assert(chip_name_string && label);

+

+ icon = get_sensor_icon(type);

+ visible = (type == TEMP_SENSOR ? TRUE : FALSE);

+ sensors_applet_plugin_default_sensor_limits(type, &low, &high);

+ if (low_feature) {

+ sensors_get_value(chip_name, low_feature->number, &low);

+ }

+

+ if (high_feature) {

+ sensors_get_value(chip_name, high_feature->number, &high);

+ }

+

+ if (sensors_get_value(chip_name, input_feature->number, &value) < 0) {

+ g_debug("%s: %d: error: could not get value for input feature of sensor: %s\n", __FILE__, __LINE__, chip_name_string);

+ free(label);

+ continue;

+ }

+

+ g_debug("for chip %s (type %s) got label %s and value %f", chip_name_string,

+ (type == TEMP_SENSOR ? "temp" : (type == FAN_SENSOR ? "fan" : (type == VOLTAGE_SENSOR ? "voltage" : "error"))), label, value);

+

+ path = g_strdup_printf ("sensor://%s/%d", chip_name_string, input_feature->number);

+ g_hash_table_insert(hash_table, g_strdup(path), (void *)chip_name);

+

+ sensors_applet_plugin_add_sensor_with_limits(&sensors,

+ path,

+ label,

+ label,

+ type,

+ visible,

+ low,

+ high,

+ icon,

+ DEFAULT_GRAPH_COLOR);

+ g_free(chip_name_string);

+

+ }

+ return sensors;

+static gdouble libsensors_plugin_get_sensor_value(const gchar *path,

+ const gchar *id,

+ SensorType type,

+ GError **error) {

+ gdouble result = 0;

+ regmatch_t m[3];

+

+ /* parse the uri into a (chip, feature) tuplet */

+ if (regexec (&uri_re, path, 3, m, 0) == 0) {

+ const sensors_chip_name *found_chip;

+ int feature;

+ int i;

+

+ if ((found_chip = g_hash_table_lookup(hash_table, path)) != NULL) {

+ gdouble value;

+ feature = atoi(path + m[2].rm_so);

+

+ /* retrieve the value of the feature */

+ if (sensors_get_feature (*found_chip, feature, &value) == 0) {

+ result = value;

+ } else {

+ g_set_error (error, SENSORS_APPLET_PLUGIN_ERROR, LIBSENSORS_MISSING_FEATURE_ERROR, "Error retrieving sensor value");

+ }

+ if (sensors_get_value(found_chip, feature, &value) >= 0) {

+ result = value;

+ } else {

+ g_set_error (error, SENSORS_APPLET_PLUGIN_ERROR, LIBSENSORS_MISSING_FEATURE_ERROR, "Error retrieving sensor value");

+ }

+

+ } else {

+ g_set_error (error, SENSORS_APPLET_PLUGIN_ERROR, LIBSENSORS_CHIP_NOT_FOUND_ERROR, "Chip not found");

+ }

+ } else {

+ g_set_error (error, SENSORS_APPLET_PLUGIN_ERROR, LIBSENSORS_REGEX_URL_COMPILE_ERROR, "Error compiling URL regex");

+ }

+ return result;

+ /* compile the regular expressions */

+ if (regcomp(&uri_re, "^sensor://([a-z0-9_-]+)/([0-9]+)$", REG_EXTENDED | REG_ICASE) != 0) {

+ g_debug("Error compiling regexp...not initing libsensors sensors interface");

+ return NULL;

+ }

+

+ /* create hash table to associate path strings with sensors_chip_name

+ * pointers - make sure it free's the keys strings on destroy */

+ hash_table = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);

+ return libsensors_plugin_get_sensors();

+const gchar *sensors_applet_plugin_name(void)

+ return plugin_name;

+GList *sensors_applet_plugin_init(void)

+ return libsensors_plugin_init();

+gdouble sensors_applet_plugin_get_sensor_value(const gchar *path,

+ const gchar *id,

+

+ return libsensors_plugin_get_sensor_value(path, id, type, error);