implement *basic* network interface Healing action; make fNetworkInterface a pointer so it actually works right

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40917 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/net/preflet/InterfacesAddOn/InterfacesAddOn.cpp

@@ -167,6 +167,16 @@ InterfacesAddOn::MessageReceived(BMessage* msg)
 			break;
 		}
 
+		case kMsgInterfaceHeal:
+		{
+			if (!item)
+				break;
+
+			NetworkSettings* ns = item->GetSettings();
+			ns->HealInterface();
+			break;
+		}
+
 		default:
 			BBox::MessageReceived(msg);
 	}

src/tests/kits/net/preflet/InterfacesAddOn/NetworkSettings.cpp

@@ -41,6 +41,8 @@ NetworkSettings::NetworkSettings(const char* name)
 	fName = name;
 	_DetectProtocols();
 
+	fNetworkInterface = new BNetworkInterface(fName);
+
 	ReadConfiguration();
 }
 
@@ -109,17 +111,16 @@ NetworkSettings::_DetectProtocols()
 void
 NetworkSettings::ReadConfiguration()
 {
-	BNetworkInterface fNetworkInterface(fName);
-	fDisabled = (fNetworkInterface.Flags() & IFF_UP) == 0;
+	fDisabled = (fNetworkInterface->Flags() & IFF_UP) == 0;
 
 	for (int index = 0; index < MAX_PROTOCOLS; index++) {
 		int inet_id = fProtocols[index].inet_id;
 
 		if (fProtocols[index].present) {
 			// --- Obtain IP Addresses
-			int32 zeroAddr = fNetworkInterface.FindFirstAddress(inet_id);
+			int32 zeroAddr = fNetworkInterface->FindFirstAddress(inet_id);
 			if (zeroAddr >= 0) {
-				fNetworkInterface.GetAddressAt(zeroAddr,
+				fNetworkInterface->GetAddressAt(zeroAddr,
 					fInterfaceAddressMap[inet_id]);
 				fAddress[inet_id].SetTo(
 					fInterfaceAddressMap[inet_id].Address());
@@ -205,7 +206,7 @@ NetworkSettings::ReadConfiguration()
 			//        AutoConfiguration on the IP level doesn't exist yet
 			//		  ( fInterfaceAddressMap[AF_INET].Flags() )
 			if (fProtocols[index].socket_id >= 0) {
-				fAutoConfigure[inet_id] = (fNetworkInterface.Flags()
+				fAutoConfigure[inet_id] = (fNetworkInterface->Flags()
 					& (IFF_AUTO_CONFIGURED | IFF_CONFIGURING)) != 0;
 			}
 		}
@@ -283,20 +284,19 @@ NetworkSettings::ReadConfiguration()
 void
 NetworkSettings::SetConfiguration()
 {
-	BNetworkInterface fNetworkInterface(fName);
 	printf("Setting %s\n", Name());
 	for (int index = 0; index < MAX_PROTOCOLS; index++) {
 		int inet_id = fProtocols[index].inet_id;
 		if (fProtocols[index].present) {
-			int32 zeroAddr = fNetworkInterface.FindFirstAddress(inet_id);
+			int32 zeroAddr = fNetworkInterface->FindFirstAddress(inet_id);
 			if (zeroAddr >= 0) {
 				BNetworkInterfaceAddress interfaceConfig;
-				fNetworkInterface.GetAddressAt(zeroAddr,
+				fNetworkInterface->GetAddressAt(zeroAddr,
 					interfaceConfig);
 				interfaceConfig.SetAddress(fAddress[inet_id]);
 				interfaceConfig.SetMask(fNetmask[inet_id]);
-				fNetworkInterface.SetAddress(interfaceConfig);
-				fNetworkInterface.SetTo(zeroAddr);
+				fNetworkInterface->SetAddress(interfaceConfig);
+				fNetworkInterface->SetTo(zeroAddr);
 			} else {
 				// TODO : test this case (no address set for this protocol)
 				printf("no zeroAddr found for %s(%d), found %lu\n",
@@ -304,7 +304,7 @@ NetworkSettings::SetConfiguration()
 				BNetworkInterfaceAddress interfaceConfig;
 				interfaceConfig.SetAddress(fAddress[inet_id]);
 				interfaceConfig.SetMask(fNetmask[inet_id]);
-				fNetworkInterface.AddAddress(interfaceConfig);
+				fNetworkInterface->AddAddress(interfaceConfig);
 			}
 
 		}
@@ -330,3 +330,26 @@ NetworkSettings::WriteConfiguration()
 {
 
 }
+
+
+/*! HealInterface performs a address renegotiation in an attempt to fix
+	connectivity problems
+*/
+status_t
+NetworkSettings::HealInterface()
+{
+	for (int index = 0; index < MAX_PROTOCOLS; index++) {
+		int inet_id = fProtocols[index].inet_id;
+		if (fProtocols[index].present
+			&& AutoConfigure(inet_id)) {
+			// If protocol is active, and set to auto
+			printf("Healing %d\n", inet_id);
+			fNetworkInterface->RemoveDefaultRoute(inet_id);
+				// Remove default route
+			fNetworkInterface->AutoConfigure(inet_id);
+				// Perform AutoConfiguration
+		}
+	}
+
+	return B_OK;
+}

src/tests/kits/net/preflet/InterfacesAddOn/NetworkSettings.h

@@ -59,6 +59,8 @@ public:
 			void				SetDisabled(bool disabled)
 									{ fDisabled = disabled; }
 
+			status_t			HealInterface();
+
 //			void				SetWirelessNetwork(const char* name)
 //									{ fWirelessNetwork.SetTo(name); }
 //			void				SetDomain(const BString& domain)
@@ -97,10 +99,6 @@ public:
 
 private:
 			status_t			_DetectProtocols();
-			BNetworkInterface	fNetworkInterface;
-			InterfaceAddressMap	fInterfaceAddressMap;
-
-			protocols			fProtocols[MAX_PROTOCOLS];
 
 			// Stored network addresses and paramaters
 			BoolMap				fAutoConfigure;
@@ -113,6 +111,10 @@ private:
 			bool				fDisabled;
 			BObjectList<BString> fNameServers;
 			BString				fWirelessNetwork;
+
+			protocols			fProtocols[MAX_PROTOCOLS];
+			BNetworkInterface*	fNetworkInterface;
+			InterfaceAddressMap	fInterfaceAddressMap;
 };