diff options
Diffstat (limited to 'plugins/smu-sys/smu-sys-plugin.c')
| -rw-r--r-- | plugins/smu-sys/smu-sys-plugin.c | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/plugins/smu-sys/smu-sys-plugin.c b/plugins/smu-sys/smu-sys-plugin.c new file mode 100644 index 0000000..76bf31c --- /dev/null +++ b/plugins/smu-sys/smu-sys-plugin.c @@ -0,0 +1,180 @@ +/* + * 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 "smu-sys-plugin.h" + +const gchar *plugin_name = "smu-sys"; + +#define SMU_SYS_BASE_DIR "/sys/devices/platform/windfarm.0" + +#define SENSOR1 "sensor1" +#define CPU "cpu" +#define SENSOR2 "sensor2" +#define GPU "gpu" +#define TEMPERATURE "-temp" +#define FAN_SPEED "-fan" + + +enum { + SMU_SYS_DEVICE_FILE_OPEN_ERROR, + SMU_SYS_DEVICE_FILE_READ_ERROR +}; + +static void smu_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, 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 smu_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, CPU FAN_SPEED) == 0) { + smu_sys_plugin_add_sensor(sensors, path); + } + g_free(filename); +} + +/* to be called to setup for sys sensors */ +GList *smu_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, + SMU_SYS_BASE_DIR, + smu_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 smu_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 = -1.0; + + if (NULL == (fp = fopen(path, "r"))) { + g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, SMU_SYS_DEVICE_FILE_OPEN_ERROR, "Error opening sensor device file %s", path); + return -1.0; + } + switch(type) { + case FAN_SENSOR: + if (fscanf(fp, "%f", &sensor_value) != 1) { + g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, SMU_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, SMU_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 smu-sys sensor interface, cannot get value for this sensor"); + g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, SMU_SYS_DEVICE_FILE_READ_ERROR, "Error reading from sensor device file %s", path); + } + fclose(fp); + + return (gdouble)sensor_value; +} + +const gchar *sensors_applet_plugin_name(void) +{ + return plugin_name; +} + +GList *sensors_applet_plugin_init(void) +{ + return smu_sys_plugin_init(); +} + +gdouble sensors_applet_plugin_get_sensor_value(const gchar *path, + const gchar *id, + SensorType type, + GError **error) { + return smu_sys_plugin_get_sensor_value(path, id, type, error); +} |