IPv6ErrorHandling Class Reference

#include <IPv6ErrorHandling.h>

List of all members.

Protected Member Functions
virtual void	initialize ()
virtual void	handleMessage (cMessage *msg)
virtual void	displayType1Msg (int code)
virtual void	displayType2Msg ()
virtual void	displayType3Msg (int code)
virtual void	displayType4Msg (int code)

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Detailed Description

Error Handling: print out received error for IPv6

Definition at line 36 of file IPv6ErrorHandling.h.

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Member Function Documentation

void IPv6ErrorHandling::displayType1Msg

(

int

code

)

[protected, virtual]

Definition at line 85 of file IPv6ErrorHandling.cc.

Referenced by handleMessage().

{
    EV << "Destination Unreachable: ";
    if (code == 0)
        EV << "no route to destination\n";
    else if (code == 1)
        EV << "communication with destination administratively prohibited\n";
    else if (code == 3)
        EV << "address unreachable\n";
    else if (code == 4)
        EV << "port unreachable\n";
    else
        EV << "Unknown Error Code!\n";
}

void IPv6ErrorHandling::displayType2Msg

(

)

[protected, virtual]

Definition at line 100 of file IPv6ErrorHandling.cc.

Referenced by handleMessage().

{
    EV << "Packet Too Big" << endl;
    //Code is always 0 and ignored by the receiver.
}

void IPv6ErrorHandling::displayType3Msg

(

int

code

)

[protected, virtual]

Definition at line 106 of file IPv6ErrorHandling.cc.

Referenced by handleMessage().

{
    EV << "Time Exceeded Message: ";
    if (code == 0)
        EV << "hop limit exceeded in transit\n";
    else if (code == 1)
        EV << "fragment reassembly time exceeded\n";
    else
        EV << "Unknown Error Code!\n";
}

void IPv6ErrorHandling::displayType4Msg

(

int

code

)

[protected, virtual]

Definition at line 117 of file IPv6ErrorHandling.cc.

Referenced by handleMessage().

{
    EV << "Parameter Problem Message: ";
    if (code == 0)
        EV << "erroneous header field encountered\n";
    else if (code == 1)
        EV << "unrecognized Next Header type encountered\n";
    else if (code == 2)
        EV << "unrecognized IPv6 option encountered\n";
    else
        EV << "Unknown Error Code!\n";
}

void IPv6ErrorHandling::handleMessage

(

cMessage *

msg

)

[protected, virtual]

Definition at line 35 of file IPv6ErrorHandling.cc.

{
    ICMPv6Message *icmpv6Msg = check_and_cast<ICMPv6Message *>(msg);
    IPv6Datagram *d = check_and_cast<IPv6Datagram *>(icmpv6Msg->getEncapsulatedMsg());
    int type = (int)icmpv6Msg->getType();
    int code;
    EV << " Type: " << type;
    if (dynamic_cast<ICMPv6DestUnreachableMsg *>(icmpv6Msg))
    {
        ICMPv6DestUnreachableMsg *msg2 = (ICMPv6DestUnreachableMsg *)icmpv6Msg;
        code = msg2->getCode();
        EV << " Code: " << code;
    }
    else if (dynamic_cast<ICMPv6PacketTooBigMsg *>(icmpv6Msg))
    {
        ICMPv6PacketTooBigMsg *msg2 = (ICMPv6PacketTooBigMsg *)icmpv6Msg;
        code = 0;
    }
    else if (dynamic_cast<ICMPv6TimeExceededMsg *>(icmpv6Msg))
    {
        ICMPv6TimeExceededMsg *msg2 = (ICMPv6TimeExceededMsg *)icmpv6Msg;
        code = msg2->getCode();
        EV << " Code: " << code;
    }
    else if (dynamic_cast<ICMPv6ParamProblemMsg *>(icmpv6Msg))
    {
        ICMPv6ParamProblemMsg *msg2 = (ICMPv6ParamProblemMsg *)icmpv6Msg;
        code = msg2->getCode();
        EV << " Code: " << code;
    }

    EV << " Byte length: " << d->getByteLength()
       << " Src: " << d->getSrcAddress()
       << " Dest: " << d->getDestAddress()
       << " Time: " << simTime()
       << "\n";

    if (type == 1)
        displayType1Msg(code);
    else if (type == 2)
        displayType2Msg();
    else if (type == 3)
        displayType3Msg(code);
    else if (type == 4)
        displayType4Msg(code);
    else
        EV << "Unknown Error Type!" << endl;
    delete icmpv6Msg;
}

void IPv6ErrorHandling::initialize

(

)

[protected, virtual]

Definition at line 31 of file IPv6ErrorHandling.cc.

{
}

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

• IPv6ErrorHandling.h
• IPv6ErrorHandling.cc