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/*
* Copyright (C) 2005-2009 Alex Murray <murray.alex@gmail.com>
*
* 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 "pmu-sys-plugin.h"
const gchar *plugin_name = "pmu-sys";
#define PMU_SYS_BASE_DIR "/sys/devices/temperatures/"
#define PMU_WT_SYS_BASE_DIR "/sys/devices/temperature/"
#define SENSOR1 "sensor1"
#define CPU "cpu"
#define SENSOR2 "sensor2"
#define GPU "gpu"
#define CASE "case"
#define TEMPERATURE "_temperature"
#define FAN_SPEED "_fan_speed"
enum {
PMU_SYS_DEVICE_FILE_OPEN_ERROR,
PMU_SYS_DEVICE_FILE_READ_ERROR
};
static void pmu_sys_plugin_add_sensor(GList **sensors, const gchar *path) {
gchar *filename;
gchar *label = NULL;
gboolean enable;
SensorType sensor_type;
IconType icon_type = GENERIC_ICON;
filename = g_path_get_basename(path);
if (g_ascii_strcasecmp(filename, SENSOR1 TEMPERATURE) == 0 || g_ascii_strcasecmp(filename, CPU TEMPERATURE) == 0) {
label = g_strdup(_("CPU"));
sensor_type = TEMP_SENSOR;
enable = TRUE;
icon_type = CPU_ICON;
} else if (g_ascii_strcasecmp(filename, SENSOR2 TEMPERATURE) == 0 || g_ascii_strcasecmp(filename, GPU TEMPERATURE) == 0) {
label = g_strdup(_("GPU"));
sensor_type = TEMP_SENSOR;
enable = TRUE;
icon_type = GPU_ICON;
} else if (g_ascii_strcasecmp(filename, CASE TEMPERATURE) == 0) {
label = g_strdup(_("CASE"));
sensor_type = TEMP_SENSOR;
enable = TRUE;
icon_type = CASE_ICON;
} else if (g_ascii_strcasecmp(filename, SENSOR1 FAN_SPEED) == 0|| g_ascii_strcasecmp(filename, CPU FAN_SPEED) == 0) {
label = g_strdup(_("FAN"));
sensor_type = FAN_SENSOR;
enable = TRUE;
icon_type = FAN_ICON;
} else {
/* disable all other sensors */
enable = FALSE;
}
/* only add these 3 sensors */
if (enable) {
sensors_applet_plugin_add_sensor(sensors,
path,
filename,
label,
sensor_type,
enable,
icon_type,
DEFAULT_GRAPH_COLOR);
}
g_free(filename);
if (label != NULL) {
g_free(label);
}
}
static void pmu_sys_plugin_test_sensor(GList **sensors, const gchar *path) {
gchar *filename;
filename = g_path_get_basename(path);
if (g_ascii_strcasecmp(filename, SENSOR1 TEMPERATURE) == 0 ||
g_ascii_strcasecmp(filename, SENSOR2 TEMPERATURE) == 0 ||
g_ascii_strcasecmp(filename, SENSOR1 FAN_SPEED) == 0 ||
g_ascii_strcasecmp(filename, CPU TEMPERATURE) == 0 ||
g_ascii_strcasecmp(filename, GPU TEMPERATURE) == 0 ||
g_ascii_strcasecmp(filename, CASE TEMPERATURE) == 0 ||
g_ascii_strcasecmp(filename, CPU FAN_SPEED) == 0) {
pmu_sys_plugin_add_sensor(sensors, path);
}
g_free(filename);
}
/* to be called to setup for sys sensors */
GList *pmu_sys_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, PMU_SYS_BASE_DIR, pmu_sys_plugin_test_sensor);
sensors_applet_plugin_find_sensors(&sensors, PMU_WT_SYS_BASE_DIR, pmu_sys_plugin_test_sensor);
return sensors;
}
/* returns the value of the sensor_list at the given iter, or if an
error occurs, instatiates error with an error message */
gdouble pmu_sys_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, dummy;
if (NULL == (fp = fopen(path, "r"))) {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, PMU_SYS_DEVICE_FILE_OPEN_ERROR, "Error opening sensor device file %s", path);
return -1.0;
}
switch(type) {
case FAN_SENSOR:
if (fscanf(fp, "%f (%f rpm)", &dummy, &sensor_value) != 2) {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, PMU_SYS_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
fclose(fp);
return -1.0;
}
break;
case TEMP_SENSOR:
if (fscanf(fp, "%f", &sensor_value) != 1) {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, PMU_SYS_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
fclose(fp);
return -1.0;
}
break;
default:
/* should only have added temp or fan sensors */
g_error("Unknown sensor type passed as parameter to pmu-sys sensor interface, cannot get value for this sensor");
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, PMU_SYS_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
fclose(fp);
return -1.0;
}
fclose(fp);
return (gdouble)sensor_value;
}
const gchar *sensors_applet_plugin_name(void)
{
return plugin_name;
}
GList *sensors_applet_plugin_init(void)
{
return pmu_sys_plugin_init();
}
gdouble sensors_applet_plugin_get_sensor_value(const gchar *path,
const gchar *id,
SensorType type,
GError **error) {
return pmu_sys_plugin_get_sensor_value(path, id, type, error);
}
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