+/*

+ * 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 "i8k-plugin.h"

+

+const gchar *plugin_name = "i8k";

+

+#define I8K_DEVICE_PATH "/proc/i8k"

+#define I8K_DEVICE_FILE "i8k"

+

+enum {

+ I8K_DEVICE_FILE_OPEN_ERROR,

+ I8K_DEVICE_FILE_READ_ERROR

+};

+

+static void i8k_plugin_setup_manually(GList **sensors) {

+ if (g_file_test(I8K_DEVICE_PATH, G_FILE_TEST_EXISTS)) {

+ /* with i8k have only 3 fixed sensors, all accessed

+ from the I8K_DEVICE_PATH */

+ sensors_applet_plugin_add_sensor(sensors,

+ I8K_DEVICE_PATH,

+ "temp1",

+ _("CPU"),

+ TEMP_SENSOR,

+ TRUE,

+ CPU_ICON,

+ DEFAULT_GRAPH_COLOR);

+ sensors_applet_plugin_add_sensor(sensors,

+ I8K_DEVICE_PATH,

+ "fan1",

+ _("FAN1"),

+ FAN_SENSOR,

+ FALSE,

+ FAN_ICON,

+ DEFAULT_GRAPH_COLOR);

+ sensors_applet_plugin_add_sensor(sensors,

+ I8K_DEVICE_PATH,

+ "fan2",

+ _("FAN2"),

+ FAN_SENSOR,

+ FALSE,

+ FAN_ICON,

+ DEFAULT_GRAPH_COLOR);

+ }

+}

+/* to be called externally to setup for i8k sensors */

+static GList *i8k_plugin_init(void) {

+ GList *sensors = NULL;

+

+ i8k_plugin_setup_manually(&sensors);

+

+ return sensors;

+

+}

+

+gdouble i8k_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 cpu_temp, fan1_status, fan2_status, fan1_rpm, fan2_rpm;

+ gint sensor_value;

+ gint space_count, file_length;

+

+ if (NULL == (fp = fopen(path, "r"))) {

+ g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, I8K_DEVICE_FILE_OPEN_ERROR, "Error opening sensor device file %s", path);

+ return -1.0;

+ }

+

+ space_count = 0;

+ file_length = 0;

+

+ /* count spaces but stop if have counted 100 characters and

+ still not found a space (to avoid infinite loop if file

+ format error) */

+ while (file_length < 100 && space_count < 3) {

+ if (fgetc(fp) == ' ') {

+ space_count++;

+ }

+ file_length++;

+ }

+

+ if (fscanf(fp, "%d %d %d %d %d", &cpu_temp, &fan1_status, &fan2_status, &fan1_rpm, &fan2_rpm) != 5) {

+ g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, I8K_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);

+ fclose(fp);

+ return -1.0;

+ }

+ fclose(fp);

+

+ switch (type) {

+ case TEMP_SENSOR:

+ sensor_value = cpu_temp;

+ break;

+ case FAN_SENSOR:

+ switch (id[3]) {

+ case '1':

+ sensor_value = fan1_rpm;

+ break;

+ case '2':

+ sensor_value = fan2_rpm;

+ break;

+ default:

+ g_error("Error in i8k sensor get value function code for id %s", id);

+ g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, I8K_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);

+ return -1.0;

+ }

+ break;

+

+ default:

+ g_error("Unknown sensor type passed as parameter to i8k sensor interface, cannot get value for this sensor");

+ g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, I8K_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path);

+ return -1.0;

+ } // end switch (sensor_type)

+

+ return (gdouble)sensor_value;

+

+}

+

+const gchar *sensors_applet_plugin_name(void)

+{

+ return plugin_name;

+}

+

+GList *sensors_applet_plugin_init(void)

+{

+ return i8k_plugin_init();

+}

+

+gdouble sensors_applet_plugin_get_sensor_value(const gchar *path,

+ const gchar *id,

+ SensorType type,

+ GError **error) {

+ return i8k_plugin_get_sensor_value(path, id, type, error);

+}