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/*
* Copyright (C) 2005-2009 Alex Murray <murray.alex@gmail.com>
* 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 */
#include <stdio.h>
#include <glib.h>
#include <glib/gi18n.h>
#include "ibm-acpi-plugin.h"
const gchar *plugin_name = "ibm-acpi";
#define IBM_ACPI_TEMPERATURE_FILE "/proc/acpi/ibm/thermal"
#define IBM_ACPI_FAN_FILE "/proc/acpi/ibm/fan"
/* sensor id's */
#define CPU "CPU"
#define MPCI "mPCI"
#define HDD "HDD"
#define GPU "GPU"
#define BAT0 "BAT0"
#define BAT1 "BAT1"
#define FAN "FAN"
enum {
IBM_ACPI_FILE_OPEN_ERROR,
IBM_ACPI_FILE_READ_ERROR
};
static void ibm_acpi_plugin_setup_manually(GList **sensors) {
if (g_file_test(IBM_ACPI_TEMPERATURE_FILE, G_FILE_TEST_EXISTS)) {
gchar *label;
/* with Ibm_Acpi have 8 fixed sensors, all accessed
from the IBM_ACPI_TEMPERATURE_FILE */
sensors_applet_plugin_add_sensor(sensors,
IBM_ACPI_TEMPERATURE_FILE,
CPU,
_(CPU),
TEMP_SENSOR,
TRUE,
CPU_ICON,
DEFAULT_GRAPH_COLOR);
sensors_applet_plugin_add_sensor(sensors,
IBM_ACPI_TEMPERATURE_FILE,
MPCI,
_("MiniPCI"),
TEMP_SENSOR,
FALSE,
GENERIC_ICON,
DEFAULT_GRAPH_COLOR);
sensors_applet_plugin_add_sensor(sensors,
IBM_ACPI_TEMPERATURE_FILE,
HDD,
_(HDD),
TEMP_SENSOR,
FALSE,
HDD_ICON,
DEFAULT_GRAPH_COLOR);
sensors_applet_plugin_add_sensor(sensors,
IBM_ACPI_TEMPERATURE_FILE,
GPU,
_(GPU),
TEMP_SENSOR,
FALSE,
GPU_ICON,
DEFAULT_GRAPH_COLOR);
label = g_strdup_printf("%s %d", _("Battery"), 0);
sensors_applet_plugin_add_sensor(sensors,
IBM_ACPI_TEMPERATURE_FILE,
BAT0,
label,
TEMP_SENSOR,
FALSE,
BATTERY_ICON,
DEFAULT_GRAPH_COLOR);
g_free(label);
label = g_strdup_printf("%s %d", _("Battery"), 0);
sensors_applet_plugin_add_sensor(sensors,
IBM_ACPI_TEMPERATURE_FILE,
BAT1,
label,
TEMP_SENSOR,
FALSE,
BATTERY_ICON,
DEFAULT_GRAPH_COLOR);
g_free(label);
}
if (g_file_test(IBM_ACPI_FAN_FILE, G_FILE_TEST_EXISTS)) {
sensors_applet_plugin_add_sensor(sensors,
IBM_ACPI_FAN_FILE,
FAN,
_("Fan"),
FAN_SENSOR,
FALSE,
FAN_ICON,
DEFAULT_GRAPH_COLOR);
}
}
/* to be called externally to setup for ibm_acpi sensors */
static
GList *ibm_acpi_plugin_init(void) {
GList *sensors = NULL;
ibm_acpi_plugin_setup_manually(&sensors);
return sensors;
}
static
gdouble ibm_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;
gint sensor_value = 0;
gint cpu_temp, minipci_temp, hdd_temp, gpu_temp, bat0_temp, bat1_temp, unknown0, unknown1;
gint fan_speed;
if (NULL == (fp = fopen(path, "r"))) {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, IBM_ACPI_FILE_OPEN_ERROR, "Error opening sensor device file %s", path);
return -1.0;
}
switch (type) {
case TEMP_SENSOR:
if (fscanf(fp, "temperatures: %d %d %d %d %d %d %d %d", &cpu_temp, &minipci_temp, &hdd_temp, &gpu_temp, &bat0_temp, &unknown0, &bat1_temp, &unknown1) != 8) {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, IBM_ACPI_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
fclose(fp);
return -1.0;
}
if (g_ascii_strcasecmp(id, CPU) == 0) {
sensor_value = cpu_temp;
} else if (g_ascii_strcasecmp(id, MPCI) == 0) {
sensor_value = minipci_temp;
} else if (g_ascii_strcasecmp(id, HDD) == 0) {
sensor_value = hdd_temp;
} else if (g_ascii_strcasecmp(id, GPU) == 0) {
sensor_value = gpu_temp;
} else if (g_ascii_strcasecmp(id, BAT0) == 0) {
sensor_value = bat0_temp;
} else if (g_ascii_strcasecmp(id, BAT1) == 0) {
sensor_value = bat1_temp;
}
break;
case FAN_SENSOR:
/*fscanf(fp, "%*[^\n]");*/ /* Skip to the End of the Line */
/*fscanf(fp, "%*1[\n]");*/ /* Skip One Newline */
if (fscanf(fp, "%*[^\n]%*1[\n]speed: %d", &fan_speed) != 1) {
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, IBM_ACPI_FILE_READ_ERROR, "Error reading from sensor device file %s", path);
fclose(fp);
return -1.0;
}
if (g_ascii_strcasecmp(id, "FAN") == 0) {
sensor_value = fan_speed;
}
break;
default:
g_error("Unknown sensor type passed as parameter to ibm-acpi sensor interface, cannot get value for this sensor");
g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, IBM_ACPI_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 ibm_acpi_plugin_init();
}
gdouble sensors_applet_plugin_get_sensor_value(const gchar *path,
const gchar *id,
SensorType type,
GError **error) {
return ibm_acpi_plugin_get_sensor_value(path, id, type, error);
}
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