inet::ErrorHandling Class Reference

Error Handling: print out received error. More...

#include <ErrorHandling.h>

Inheritance diagram for inet::ErrorHandling:

Protected Member Functions
virtual void	initialize () override
virtual void	handleMessage (cMessage *msg) override
virtual void	refreshDisplay () const override

Protected Attributes
long	numReceived
long	numHostUnreachable
long	numTimeExceeded

Detailed Description

Error Handling: print out received error.

Member Function Documentation

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

overrideprotectedvirtual

{
    numReceived++;

    ICMPMessage *icmpMsg = check_and_cast<ICMPMessage *>(msg);
    // Note: we must NOT use decapsulate() because payload in ICMP is conceptually truncated
    IPv4Datagram *d = check_and_cast<IPv4Datagram *>(icmpMsg->getEncapsulatedPacket());

    EV_WARN << "Error Handler: ICMP message received:\n";
    EV_WARN << " Type: " << (int)icmpMsg->getType()
            << " Code: " << (int)icmpMsg->getCode()
            << " Bytelength: " << d->getByteLength()
            << " Src: " << d->getSrcAddress()
            << " Dest: " << d->getDestAddress()
            << " Time: " << simTime()
            << "\n";

    switch (icmpMsg->getType()) {
        case ICMP_DESTINATION_UNREACHABLE:
            numHostUnreachable++;
            break;

        case ICMP_TIME_EXCEEDED:
            numTimeExceeded++;
            break;
    }

    delete icmpMsg;
}

void inet::ErrorHandling::initialize ( )

overrideprotectedvirtual

{
    numReceived = 0;
    numHostUnreachable = 0;
    numTimeExceeded = 0;

    WATCH(numReceived);
    WATCH(numHostUnreachable);
    WATCH(numTimeExceeded);
}

void inet::ErrorHandling::refreshDisplay ( ) const

overrideprotectedvirtual

{
    char buf[80];
    sprintf(buf, "errors: %ld", numReceived);
    getDisplayString().setTagArg("t", 0, buf);
}

Member Data Documentation

long inet::ErrorHandling::numHostUnreachable

protected

Referenced by handleMessage(), and initialize().

long inet::ErrorHandling::numReceived

protected

Referenced by handleMessage(), initialize(), and refreshDisplay().

long inet::ErrorHandling::numTimeExceeded

protected

Referenced by handleMessage(), and initialize().

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

• ErrorHandling.h
• ErrorHandling.cc