inet::InetPacketPrinter Class Reference

Inheritance diagram for inet::InetPacketPrinter:

Public Member Functions
	InetPacketPrinter ()
virtual	~InetPacketPrinter ()
virtual int	getScoreFor (cMessage *msg) const override
virtual void	printMessage (std::ostream &os, cMessage *msg) const override

Protected Member Functions
void	printTCPPacket (std::ostream &os, L3Address srcAddr, L3Address destAddr, tcp::TCPSegment *tcpSeg) const
void	printUDPPacket (std::ostream &os, L3Address srcAddr, L3Address destAddr, UDPPacket *udpPacket) const
void	printICMPPacket (std::ostream &os, L3Address srcAddr, L3Address destAddr, ICMPMessage *packet) const

Constructor & Destructor Documentation

inet::InetPacketPrinter::InetPacketPrinter ( )

inline

{}

virtual inet::InetPacketPrinter::~InetPacketPrinter ( )

inlinevirtual

{}

Member Function Documentation

int inet::InetPacketPrinter::getScoreFor ( cMessage *  msg ) const

overridevirtual

{
    return msg->isPacket() ? 20 : 0;
}

void inet::InetPacketPrinter::printICMPPacket ( std::ostream &  os, L3Address  srcAddr, L3Address  destAddr, ICMPMessage *  packet  ) const

protected

{
#ifdef WITH_IPv4
    switch (packet->getType()) {
        case ICMP_ECHO_REQUEST: {
            PingPayload *payload = check_and_cast<PingPayload *>(packet->getEncapsulatedPacket());
            os << "ping " << srcAddr << " to " << destAddr
               << " (" << packet->getByteLength() << " bytes) id=" << payload->getId() << " seq=" << payload->getSeqNo();
            break;
        }

        case ICMP_ECHO_REPLY: {
            PingPayload *payload = check_and_cast<PingPayload *>(packet->getEncapsulatedPacket());
            os << "pong " << srcAddr << " to " << destAddr
               << " (" << packet->getByteLength() << " bytes) id=" << payload->getId() << " seq=" << payload->getSeqNo();
            break;
        }

        case ICMP_DESTINATION_UNREACHABLE:
            os << "ICMP dest unreachable " << srcAddr << " to " << destAddr << " type=" << packet->getType() << " code=" << packet->getCode()
               << " origin: ";
            printMessage(os, packet->getEncapsulatedPacket());
            break;

        default:
            os << "ICMP " << srcAddr << " to " << destAddr << " type=" << packet->getType() << " code=" << packet->getCode();
            break;
    }
#else // ifdef WITH_IPv4
    os << " ICMP: " << srcAddr << " > " << destAddr;
#endif // ifdef WITH_IPv4
}

void inet::InetPacketPrinter::printMessage ( std::ostream &  os, cMessage *  msg  ) const

overridevirtual

{
    L3Address srcAddr, destAddr;

    for (cPacket *pk = dynamic_cast<cPacket *>(msg); pk; pk = pk->getEncapsulatedPacket()) {
        INetworkDatagram *dgram = dynamic_cast<INetworkDatagram *>(pk);
        if (dgram) {
            srcAddr = dgram->getSourceAddress();
            destAddr = dgram->getDestinationAddress();
#ifdef WITH_IPv4
            if (dynamic_cast<IPv4Datagram *>(pk)) {
                IPv4Datagram *ipv4dgram = static_cast<IPv4Datagram *>(pk);
                if (ipv4dgram->getMoreFragments() || ipv4dgram->getFragmentOffset() > 0)
                    os << (ipv4dgram->getMoreFragments() ? "" : "last ")
                       << "fragment with offset=" << ipv4dgram->getFragmentOffset() << " of ";
            }
#endif // ifdef WITH_IPv4
        }
#ifdef WITH_TCP_COMMON
        else if (dynamic_cast<tcp::TCPSegment *>(pk)) {
            printTCPPacket(os, srcAddr, destAddr, static_cast<tcp::TCPSegment *>(pk));
            return;
        }
#endif // ifdef WITH_TCP_COMMON
#ifdef WITH_UDP
        else if (dynamic_cast<UDPPacket *>(pk)) {
            printUDPPacket(os, srcAddr, destAddr, static_cast<UDPPacket *>(pk));
            return;
        }
#endif // ifdef WITH_UDP
#ifdef WITH_IPv4
        else if (dynamic_cast<ICMPMessage *>(pk)) {
            printICMPPacket(os, srcAddr, destAddr, static_cast<ICMPMessage *>(pk));
            return;
        }
#endif // ifdef WITH_IPv4
    }
    os << "(" << msg->getClassName() << ")" << " id=" << msg->getId() << " kind=" << msg->getKind();
}

void inet::InetPacketPrinter::printTCPPacket ( std::ostream &  os, L3Address  srcAddr, L3Address  destAddr, tcp::TCPSegment *  tcpSeg  ) const

protected

{
#ifdef WITH_TCP_COMMON
    os << " TCP: " << srcAddr << '.' << tcpSeg->getSrcPort() << " > " << destAddr << '.' << tcpSeg->getDestPort() << ": ";
    // flags
    bool flags = false;
    if (tcpSeg->getUrgBit()) {
        flags = true;
        os << "U ";
    }
    if (tcpSeg->getAckBit()) {
        flags = true;
        os << "A ";
    }
    if (tcpSeg->getPshBit()) {
        flags = true;
        os << "P ";
    }
    if (tcpSeg->getRstBit()) {
        flags = true;
        os << "R ";
    }
    if (tcpSeg->getSynBit()) {
        flags = true;
        os << "S ";
    }
    if (tcpSeg->getFinBit()) {
        flags = true;
        os << "F ";
    }
    if (!flags) {
        os << ". ";
    }

    // data-seqno
    if (tcpSeg->getPayloadLength() > 0 || tcpSeg->getSynBit()) {
        os << tcpSeg->getSequenceNo() << ":" << tcpSeg->getSequenceNo() + tcpSeg->getPayloadLength();
        os << "(" << tcpSeg->getPayloadLength() << ") ";
    }

    // ack
    if (tcpSeg->getAckBit())
        os << "ack " << tcpSeg->getAckNo() << " ";

    // window
    os << "win " << tcpSeg->getWindow() << " ";

    // urgent
    if (tcpSeg->getUrgBit())
        os << "urg " << tcpSeg->getUrgentPointer() << " ";
#else // ifdef WITH_TCP_COMMON
    os << " TCP: " << srcAddr << ".? > " << destAddr << ".?";
#endif // ifdef WITH_TCP_COMMON
}

void inet::InetPacketPrinter::printUDPPacket ( std::ostream &  os, L3Address  srcAddr, L3Address  destAddr, UDPPacket *  udpPacket  ) const

protected

{
#ifdef WITH_UDP
    os << " UDP: " << srcAddr << '.' << udpPacket->getSourcePort() << " > " << destAddr << '.' << udpPacket->getDestinationPort()
       << ": (" << udpPacket->getByteLength() << ")";
#else // ifdef WITH_UDP
    os << " UDP: " << srcAddr << ".? > " << destAddr << ".?";
#endif // ifdef WITH_UDP
}

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The documentation for this class was generated from the following file:

• InetPacketPrinter.cc