Dumps every packet using the PcapDump class and the PacketDump class. More...

#include <TCPDump.h>

Inheritance diagram for inet::TCPDump:

Public Member Functions
	TCPDump ()

	~TCPDump ()

virtual void	handleMessage (cMessage *msg) override

virtual void	initialize () override

virtual void	finish () override

Protected Attributes
PcapDump	pcapDump

PacketDump	tcpdump

unsigned int	snaplen = 0

bool	dumpBadFrames = false

bool	dropBadFrames = false

Detailed Description

Dumps every packet using the PcapDump class and the PacketDump class.

Constructor & Destructor Documentation

inet::TCPDump::TCPDump ( )

inline

45 {}

inet::TCPDump::~TCPDump ( )

35 {

36 }

Member Function Documentation

void inet::TCPDump::finish ( )

overridevirtual

 {
     tcpdump.dump("", "tcpdump finished");
     pcapDump.closePcap();
 }

void inet::TCPDump::handleMessage ( cMessage * msg )

overridevirtual

 {
     if (msg->isPacket()) {
         bool l2r = msg->arrivedOn("hlIn");
         tcpdump.dumpPacket(l2r, PK(msg));
     }
 
 #ifdef WITH_IPv4
     if (pcapDump.isOpen() && dynamic_cast<IPv4Datagram *>(msg)
         && (dumpBadFrames || !PK(msg)->hasBitError()))
     {
         const simtime_t stime = simTime();
         IPv4Datagram *ipPacket = check_and_cast<IPv4Datagram *>(msg);
         pcapDump.writeFrame(stime, ipPacket);
     }
 #endif // ifdef WITH_IPv4
 
     if (PK(msg)->hasBitError() && dropBadFrames) {
         delete msg;
         return;
     }
 
     // forward
     int32 index = msg->getArrivalGate()->getIndex();
     int32 id;
 
     if (msg->getArrivalGate()->isName("ifIn"))
         id = findGate("hlOut", index);
     else
         id = findGate("ifOut", index);
 
     send(msg, id);
 }

void inet::TCPDump::initialize ( )

overridevirtual

 {
     const char *file = this->par("dumpFile");
 
     dumpBadFrames = par("dumpBadFrames").boolValue();
     dropBadFrames = par("dropBadFrames").boolValue();
 
     snaplen = this->par("snaplen");
     tcpdump.setVerbose(par("verbose").boolValue());
     tcpdump.setOutStream(EVSTREAM);
 
     if (*file)
         pcapDump.openPcap(file, snaplen);
 }