Initial release bases on sensors-applet

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);
+}