Fix broadcast transmitter (IP layer drop pkg)

Specify out interface for IP layer
ZiroKyl · May 17, 2017 · dbd654f · dbd654f
1 parent 0fef1f5
commit dbd654f
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/inet/src/inet/applications/lltrapp/LLTRSuperApp.cc b/inet/src/inet/applications/lltrapp/LLTRSuperApp.cc
@@ -2,6 +2,7 @@
 //
 
 #include "inet/common/INETDefs.h"
+#include "inet/common/ModuleAccess.h"
 #include "inet/transportlayer/contract/udp/UDPSocket.h"
 
 namespace inet {
@@ -10,6 +11,7 @@ class INET_API LLTRSuperApp: public cSimpleModule
 {
 	int port = -1;
 
+	UDPSocket::SendOptions udpSendOpt;
 	UDPSocket socket;
 
 	/*=================================================================================*/
@@ -32,9 +34,18 @@ class INET_API LLTRSuperApp: public cSimpleModule
 			socket.setOutputGate(gate("udpOut"));
 			socket.setTimeToLive(1);
 
+			{
+				//IInterfaceTable *inet_ift = L3AddressResolver().findInterfaceTableOf(getParentModule());
+				//IInterfaceTable *inet_ift = check_and_cast<IInterfaceTable*>(getParentModule()->getModuleByPath(".interfaceTable"));
+				IInterfaceTable *inet_ift = getModuleFromPar<IInterfaceTable>(par("interfaceTableModule"), this);
+
+				udpSendOpt.outInterfaceId = inet_ift->getBiggestInterfaceId();
+				udpSendOpt.srcAddr = inet_ift->getInterfaceById(udpSendOpt.outInterfaceId)->getNetworkAddress();
+			}
+
 			break;
 		case INITSTAGE_LAST:
-			socket.sendTo(new cPacket("=Broadcast Packet="), IPv4Address(10,0,1,7), port);
+			socket.sendTo(new cPacket("=Broadcast Packet="), IPv4Address::ALLONES_ADDRESS, port, &udpSendOpt);
 
 			break;
 		}

diff --git a/inet/src/inet/applications/lltrapp/LLTRSuperApp.ned b/inet/src/inet/applications/lltrapp/LLTRSuperApp.ned
@@ -6,6 +6,7 @@ import inet.applications.contract.IUDPApp;
 simple LLTRSuperApp like IUDPApp
 {
     parameters:
+        string interfaceTableModule;   // The path to the InterfaceTable module
         int port;
 
         @display("i=block/app");