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Diffstat (limited to 'plugins/i8k/i8k-plugin.c')
| -rw-r--r-- | plugins/i8k/i8k-plugin.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/plugins/i8k/i8k-plugin.c b/plugins/i8k/i8k-plugin.c new file mode 100644 index 0000000..25813c8 --- /dev/null +++ b/plugins/i8k/i8k-plugin.c @@ -0,0 +1,161 @@ +/* + * 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); +} |