Initial release bases on sensors-applet

1 files changed, 162 insertions, 0 deletions

diff --git a/plugins/nvidia/nvidia-plugin.c b/plugins/nvidia/nvidia-plugin.c
new file mode 100644
index 0000000..ab4c937
--- /dev/null
+++ b/plugins/nvidia/nvidia-plugin.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2006 Sven Peter <[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 */
+
+#include <X11/Xlib.h>
+#include <NVCtrl/NVCtrl.h>
+#include <NVCtrl/NVCtrlLib.h>
+
+#include <glib.h>
+#include <glib/gi18n.h>
+#include "nvidia-plugin.h"
+
+const gchar *plugin_name = "nvidia";
+
+#define GPU_CORE_TEMP "CoreTemp"
+#define AMBIENT_TEMP "AmbientTemp"
+
+/* global variables */
+Display *nvidia_sensors_dpy; /* the connection to the X server */
+
+int num_gpus;
+
+/* returns the value of the sensor */
+static gdouble nvidia_plugin_get_sensor_value(const gchar *path, 
+                                              const gchar *id, 
+                                              SensorType type,
+                                              GError **error)
+{
+	Bool res;
+	int temp;
+	int i;
+
+	i = g_ascii_strtoll(id + strlen("GPU"), NULL, 10);
+        if (g_ascii_strcasecmp(path, GPU_CORE_TEMP) == 0) {
+		res = XNVCTRLQueryTargetAttribute(nvidia_sensors_dpy,
+						  NV_CTRL_TARGET_TYPE_GPU,
+						  i,
+						  0,
+						  NV_CTRL_GPU_CORE_TEMPERATURE,
+						  &temp);
+        } else if (g_ascii_strcasecmp(path, AMBIENT_TEMP) == 0) {
+		res = XNVCTRLQueryTargetAttribute(nvidia_sensors_dpy,
+						  NV_CTRL_TARGET_TYPE_GPU,
+						  i,
+						  0,
+						  NV_CTRL_AMBIENT_TEMPERATURE,
+						  &temp);
+        } else {
+                g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, 0, "Invalid path string passed to nvidia_plugin_get_sensor_value");
+                return 0;
+        }
+                
+
+        if (res != True) {
+                /* when res isn't true something went wrong */
+                g_set_error(error, SENSORS_APPLET_PLUGIN_ERROR, 0, "XNVCTRLQueryAttribute returned false");
+                return 0;
+        }
+        
+        /* convert the int to gdouble and return it */
+        return (gdouble)temp;
+}
+
+/* creates the connection to the X server and checks whether the
+ * NV-CONTROL extension is loaded */
+static GList *nvidia_plugin_init(void)
+{
+	int dummy;
+	int event_base, error_base;
+        GList *sensors = NULL;
+
+	/* create the connection to the X server */
+	if (!(nvidia_sensors_dpy = XOpenDisplay(NULL))) {
+		/* no connection to the X server avaible */
+		return sensors;
+	}
+
+	/* check if the NV-CONTROL extension is available on this X
+         * server - if so add the two sensors if they exist */
+	if (XNVCTRLQueryExtension(nvidia_sensors_dpy, &event_base, &error_base)) {
+		if (XNVCTRLQueryTargetCount(nvidia_sensors_dpy,
+					    NV_CTRL_TARGET_TYPE_GPU,
+					    &num_gpus))
+		{
+			int i;
+			for (i = 0; i < num_gpus; i++)
+			{
+				if (XNVCTRLQueryTargetAttribute(nvidia_sensors_dpy,
+								NV_CTRL_TARGET_TYPE_GPU,
+								i,
+							       	0, NV_CTRL_GPU_CORE_TEMPERATURE, &dummy)) {
+					gchar *id = g_strdup_printf("GPU%d%s", i, GPU_CORE_TEMP);
+
+					sensors_applet_plugin_add_sensor(&sensors,
+									 GPU_CORE_TEMP,
+									 id,
+									 _("GPU"),
+									 TEMP_SENSOR,
+									 TRUE,
+									 GPU_ICON,
+									 DEFAULT_GRAPH_COLOR);
+					g_free(id);
+				}
+				if (XNVCTRLQueryTargetAttribute(nvidia_sensors_dpy,
+								NV_CTRL_TARGET_TYPE_GPU,
+								i,
+							       	0, NV_CTRL_AMBIENT_TEMPERATURE, &dummy)) {
+					gchar *id = g_strdup_printf("GPU%d%s", i, AMBIENT_TEMP);
+
+					sensors_applet_plugin_add_sensor(&sensors,
+                                                         AMBIENT_TEMP,
+							 id,
+                                                         _("Ambient"),
+                                                         TEMP_SENSOR,
+                                                         FALSE,
+                                                         GENERIC_ICON,
+                                                         DEFAULT_GRAPH_COLOR);
+					g_free(id);
+				}
+			}
+                }
+
+        }
+        return sensors;
+}
+
+const gchar *sensors_applet_plugin_name(void) 
+{
+        return plugin_name;
+}
+
+GList *sensors_applet_plugin_init(void) 
+{
+        return nvidia_plugin_init();
+}
+
+gdouble sensors_applet_plugin_get_sensor_value(const gchar *path, 
+                                                const gchar *id, 
+                                                SensorType type,
+                                                GError **error) {
+        return nvidia_plugin_get_sensor_value(path, id, type, error);
+}
+
+