1 files changed, 137 insertions, 0 deletions
diff --git a/plugins/acpi/acpi-plugin.c b/plugins/acpi/acpi-plugin.c
new file mode 100644
index 0000000..4c0189f
--- /dev/null
+++ b/plugins/acpi/acpi-plugin.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2005-2009 Alex Murray <[email protected]>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#ifdef HAVE_STDIO_H
+#include <stdio.h>
+#endif /* HAVE_STDIO_H */
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include "acpi-plugin.h"
+
+const gchar *plugin_name = "acpi";
+
+#define ACPI_THERMAL_ZONE_BASE_DIR "/proc/acpi/thermal_zone"
+#define ACPI_THERMAL_BASE_DIR "/proc/acpi/thermal"
+
+enum {
+ ACPI_DEVICE_FILE_OPEN_ERROR,
+ ACPI_DEVICE_FILE_READ_ERROR
+};
+
+static void acpi_plugin_add_sensor(GList **sensors, const gchar *path) {
+ gchar *dirname;
+ gchar *id;
+ gchar *label;
+ 
+ 
+ dirname = g_path_get_dirname(path);
+ id = g_path_get_basename(dirname);
+ g_free(dirname);
+ 
+ sensors_applet_plugin_add_sensor(sensors,
+ path,
+ id,
+ _("CPU"),
+ TEMP_SENSOR,
+ TRUE,
+ CPU_ICON,
+ DEFAULT_GRAPH_COLOR);
+ g_free(id);
+} 
+
+static void acpi_plugin_test_sensor(GList **sensors,
+ const gchar *path) {
+ gchar *filename;
+ 
+ filename = g_path_get_basename(path);
+
+ if (g_ascii_strcasecmp(filename, "temperature") == 0 || 
+ g_ascii_strcasecmp(filename, "status") == 0) {
+ acpi_plugin_add_sensor(sensors, path);
+ 
+ }
+ g_free(filename);
+
+}
+
+
+
+/* to be called to setup for acpi sensors and returns the list of found
+ * sensors */
+static GList *acpi_plugin_init(void) {
+ GList *sensors = NULL;
+ 
+ /* call function to recursively look for sensors
+ starting at the defined base directory */
+ sensors_applet_plugin_find_sensors(&sensors, ACPI_THERMAL_ZONE_BASE_DIR, acpi_plugin_test_sensor);
+ sensors_applet_plugin_find_sensors(&sensors, ACPI_THERMAL_BASE_DIR, acpi_plugin_test_sensor);
+ return sensors;
+}
+
+
+static gdouble acpi_plugin_get_sensor_value(const gchar *path, 
+ const gchar *id, 
+ SensorType type,
+ GError **error) {
+ 
+ /* to open and access the value of each sensor */
+ FILE *fp;
+ gfloat sensor_value = -1.0f;
+ gchar units[32];
+
+ if (NULL == (fp = fopen(path, "r"))) {
+ g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, ACPI_DEVICE_FILE_OPEN_ERROR, "Error opening sensor device file %s", path);
+ return sensor_value;
+ }
+
+ if (fscanf(fp, "temperature: %f %31s", &sensor_value, units) < 1) {
+ g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, ACPI_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
+ fclose(fp);
+ return sensor_value;
+ }
+ fclose(fp);
+
+ /* need to convert if units are deciKelvin */
+ if (g_ascii_strcasecmp(units, "dK") == 0) {
+ sensor_value = (sensor_value / 10.0) - 273.0;
+ }
+
+ return (gdouble)sensor_value;
+}
+
+const gchar *sensors_applet_plugin_name(void) 
+{
+ return plugin_name;
+}
+
+GList *sensors_applet_plugin_init(void) 
+{
+ return acpi_plugin_init();
+}
+
+gdouble sensors_applet_plugin_get_sensor_value(const gchar *path, 
+ const gchar *id, 
+ SensorType type,
+ GError **error) {
+ return acpi_plugin_get_sensor_value(path, id, type, error);
+}