Initial release bases on sensors-applet

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);
+}