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authormbkma <[email protected]>2026-01-31 12:11:25 +0100
committermbkma <[email protected]>2026-01-31 12:11:25 +0100
commitbb4fa0ea945f9dd4d0bff0182c381c2f14f78ae3 (patch)
tree523c91356c59557d0bcfa0a878f4e5cadd0c4ab2 /sensors-applet/plugins/libsensors
parentd433bbd9aeb7ae3377e59c70f6608c3e29f9ebbc (diff)
downloadmate-applets-integrate-all-applets.tar.bz2
mate-applets-integrate-all-applets.tar.xz
merge mate-indicator-applet and sensors-applet into mate-appletsintegrate-all-applets
Diffstat (limited to 'sensors-applet/plugins/libsensors')
-rw-r--r--sensors-applet/plugins/libsensors/Makefile.am25
-rw-r--r--sensors-applet/plugins/libsensors/libsensors-plugin.c471
-rw-r--r--sensors-applet/plugins/libsensors/libsensors-plugin.h25
3 files changed, 521 insertions, 0 deletions
diff --git a/sensors-applet/plugins/libsensors/Makefile.am b/sensors-applet/plugins/libsensors/Makefile.am
new file mode 100644
index 00000000..99dc1472
--- /dev/null
+++ b/sensors-applet/plugins/libsensors/Makefile.am
@@ -0,0 +1,25 @@
+plugindir = $(libdir)/mate-sensors-applet/plugins
+
+# libsensors plugin
+AM_CPPFLAGS = -DMATELOCALEDIR=\""$(datadir)/locale/"\" \
+ -DG_LOG_DOMAIN=\""sensors-applet"\" \
+ -DPIXMAPS_DIR=\""$(datadir)/pixmaps/$(PACKAGE)/"\" \
+ -DDATADIR=\""$(datadir)"\" \
+ -DLIBDIR=\""$(libdir)"\" \
+ -DSYSCONFDIR=\""$(sysconfdir)"\" \
+ -DPREFIX=\""$(prefix)"\" \
+ -I$(top_srcdir)/sensors-applet \
+ $(GLIB_CFLAGS) \
+ $(LIBSENSORS_CFLAGS) \
+ $(WARN_CFLAGS)
+
+plugin_LTLIBRARIES = liblibsensors.la
+
+liblibsensors_la_SOURCES = \
+ libsensors-plugin.h \
+ libsensors-plugin.c
+
+liblibsensors_la_LDFLAGS = $(PLUGIN_LIBTOOL_FLAGS) $(GLIB_LIBS) $(LIBSENSORS_LIBS)
+liblibsensors_la_LIBADD = $(top_builddir)/sensors-applet/lib/libmate-sensors-applet-plugin.la
+
+-include $(top_srcdir)/git.mk
diff --git a/sensors-applet/plugins/libsensors/libsensors-plugin.c b/sensors-applet/plugins/libsensors/libsensors-plugin.c
new file mode 100644
index 00000000..ebe8b025
--- /dev/null
+++ b/sensors-applet/plugins/libsensors/libsensors-plugin.c
@@ -0,0 +1,471 @@
+/*
+ * Copyright (C) 2005-2009 Alex Murray <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
+ *
+ * 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 Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef HAVE_SENSORS_SENSORS_H
+#include <sensors/sensors.h>
+#endif
+
+#include "libsensors-plugin.h"
+
+const gchar *plugin_name = "libsensors";
+
+GHashTable *hash_table = NULL;
+
+enum {
+ LIBSENSORS_CHIP_PARSE_ERROR,
+ LIBSENSORS_MISSING_FEATURE_ERROR,
+ LIBSENSORS_REGEX_URL_COMPILE_ERROR,
+ LIBSENSORS_CHIP_NOT_FOUND_ERROR
+};
+
+#if SENSORS_API_VERSION < 0x400
+#define LIBSENSORS_CONFIG_FILE "/etc/sensors.conf"
+#define LIBSENSORS_ALTERNATIVE_CONFIG_FILE "/usr/local/etc/sensors.conf"
+#endif
+
+GRegex *uri_re;
+
+static char *get_chip_name_string(const sensors_chip_name *chip) {
+ char *name;
+
+#if SENSORS_API_VERSION < 0x400
+ /* 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;
+ }
+
+#else
+/* adapted from lm-sensors:prog/sensors/main.c:sprintf_chip_name in lm-sensors-3.0 */
+#define BUF_SIZE 200
+ static char buf[BUF_SIZE];
+ if (sensors_snprintf_chip_name(buf, BUF_SIZE, chip) < 0) {
+ name = NULL;
+ } else {
+ name = g_strdup (buf);
+ }
+#endif
+
+ return name;
+}
+
+#if SENSORS_API_VERSION < 0x400
+static SensorType get_sensor_type (const char *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;
+}
+
+/* If a sensor is 'interesting' to us then return its label, otherwise NULL. */
+static char *get_sensor_interesting_label (sensors_chip_name chip, int feature) {
+ 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;
+}
+
+#endif
+
+static IconType get_sensor_icon (SensorType type) {
+ switch (type) {
+ case TEMP_SENSOR:
+ return CPU_ICON;
+ case FAN_SENSOR:
+ return FAN_ICON;
+ default:
+ return GENERIC_ICON;
+ }
+}
+
+#if SENSORS_API_VERSION < 0x400
+static void check_sensor_with_data(GList **sensors,
+ const char * const chip_name,
+ const sensors_chip_name *chip,
+ int *n1, int *n2,
+ 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);
+ }
+
+}
+
+#endif
+
+static GList *libsensors_plugin_get_sensors(void) {
+ const sensors_chip_name *chip_name;
+ GList *sensors = NULL;
+
+#if SENSORS_API_VERSION < 0x400
+ FILE *file;
+ int i;
+ 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);
+ }
+
+#else
+ 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;
+ }
+
+ 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);
+
+ }
+#endif
+
+ return sensors;
+}
+
+static gdouble libsensors_plugin_get_sensor_value(const gchar *path,
+ const gchar *id,
+ SensorType type,
+ GError **error) {
+ gdouble result = 0;
+ GMatchInfo *m;
+
+ /* parse the uri into a (chip, feature) tuplet */
+ g_regex_match (uri_re, path, 0, &m);
+ if (g_match_info_matches (m)) {
+ const sensors_chip_name *found_chip;
+ int feature;
+
+ if ((found_chip = g_hash_table_lookup(hash_table, path)) != NULL) {
+ gdouble value;
+ gchar *feature_str;
+
+ feature_str = g_match_info_fetch (m, 1);
+ feature = atoi(feature_str);
+ g_free (feature_str);
+
+#if SENSORS_API_VERSION < 0x400
+ /* 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");
+ }
+#else
+ 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");
+ }
+#endif
+
+ } 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: Not match");
+ }
+ g_match_info_free (m);
+ return result;
+}
+
+static GList *libsensors_plugin_init(void) {
+ GError *err = NULL;
+
+ /* compile the regular expressions */
+ uri_re = g_regex_new ("^sensor://[a-z0-9_-]+/([0-9]+)$", G_REGEX_CASELESS | G_REGEX_OPTIMIZE, G_REGEX_MATCH_ANCHORED, &err);
+ if (err) {
+ g_debug("Error compiling regexp: %s\nnot initing libsensors sensors interface", err->message);
+ g_error_free (err);
+ 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,
+ SensorType type,
+ GError **error) {
+
+ return libsensors_plugin_get_sensor_value(path, id, type, error);
+}
diff --git a/sensors-applet/plugins/libsensors/libsensors-plugin.h b/sensors-applet/plugins/libsensors/libsensors-plugin.h
new file mode 100644
index 00000000..2c4f1ddc
--- /dev/null
+++ b/sensors-applet/plugins/libsensors/libsensors-plugin.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2005-2009 Alex Murray <[email protected]>
+ * Copyright (C) 2012-2021 MATE Developers
+ *
+ * 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 Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef LIBSENSORS_SENSORS_INTERFACE_H
+#define LIBSENSORS_SENSORS_INTERFACE_H
+
+#include <sensors-applet/sensors-applet-plugin.h>
+
+#endif /* LIBSENSORS_SENSORS_INTERFACE_H*/