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path: root/default-route.patch
blob: 00cc24c559602328cdf73bf6fa594edc128b5c45 (plain)
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--- /tmp/xfce4-netspeed-plugin/src/xfce4-netspeed-plugin/panel-plugin/device_info.c
+++ /tmp/xfce4-netspeed-plugin-default-route/src/xfce4-netspeed-plugin/panel-plugin/device_info.c
@@ -35,6 +35,65 @@
     device_info_fill(device_info);    
     
     return device_info;
+}
+
+gboolean
+is_dummy_device(const char* device)
+{
+	glibtop_netload netload;
+	glibtop_get_netload(&netload, device);
+
+	if (netload.if_flags & (1 << GLIBTOP_IF_FLAGS_LOOPBACK))
+		return TRUE;
+
+	/* Skip interfaces without any IPv4/IPv6 address (or
+	   those with only a LINK ipv6 addr) However we need to
+	   be able to exclude these while still keeping the
+	   value so when they get online (with NetworkManager
+	   for example) we don't get a suddent peak.  Once we're
+	   able to get this, ignoring down interfaces will be
+	   possible too.  */
+	if (!(netload.flags & (1 << GLIBTOP_NETLOAD_ADDRESS6)
+	      && netload.scope6 != GLIBTOP_IF_IN6_SCOPE_LINK)
+	    && !(netload.flags & (1 << GLIBTOP_NETLOAD_ADDRESS)))
+		return TRUE;
+
+	return FALSE;
+}
+
+const gchar*
+get_default_route(void)
+{
+	FILE *fp;
+	static char device[50];
+	
+	fp = fopen("/proc/net/route", "r");
+	
+	if (fp == NULL) return NULL;
+	
+	while (!feof(fp)) {
+		char buffer[1024]; 
+		unsigned int ip, gw, flags, ref, use, metric, mask, mtu, window, irtt;
+		int retval;
+		char *rv;
+		
+		rv = fgets(buffer, 1024, fp);
+		if (!rv) {
+			break;
+		}
+		
+		retval = sscanf(buffer, "%49s %x %x %x %u %u %u %x %u %u %u",
+				device, &ip, &gw, &flags, &ref, &use, &metric, &mask, &mtu, &window, &irtt);
+		
+		if (retval != 11) continue;
+			
+		if (ip == 0 && !is_dummy_device(device)) {
+			fclose(fp);
+			return device;
+		}			
+	}
+	fclose(fp);	
+	return NULL;
 }
 
 void device_info_free(DeviceInfo *device_info) {
--- /tmp/xfce4-netspeed-plugin/src/xfce4-netspeed-plugin/panel-plugin/xfce4_netspeed_plugin.c
+++ /tmp/xfce4-netspeed-plugin-default-route/src/xfce4-netspeed-plugin/panel-plugin/xfce4_netspeed_plugin.c
@@ -211,11 +211,16 @@
 
         GList *device, *devices = device_info_list_get();
         DeviceInfo *device_info, *running_device_info = NULL;
-        for (device = devices; device != NULL; device = g_list_next(device)) {
+        gchar* default_route = get_default_route();
+        for (device = devices; device != NULL; device = g_list_next(device)) {                
             device_info = device_info_new(device->data);
             device_info_fill(device_info);
-
-            if (device_info->running && device_info->type != DEVICE_TYPE_LOOPBACK) {
+            if (default_route != NULL && strcmp(device_info->name, default_route)==0){
+                running_device_info = device_info;
+                break;                
+            }
+            
+            if (default_route == NULL && device_info->running && device_info->type != DEVICE_TYPE_LOOPBACK) {
                 running_device_info = device_info;
                 break;
             }