LdpPacket.msg¶

Name	Type	Description
LdpMessageTypes	enum	LDP message types
LdpStatusTypes	enum	(no description)
FecTlv	struct	(no description)
LdpPacket	class	Base class for LDP packets
LdpLabelMapping	class	LDP Label Mapping Message
LdpLabelRequest	class	LDP Label Request Message
LdpHello	class	LDP Hello Message
LdpNotify	class	LDP notification message
LdpIni	class	LDP Ini Message
LdpAddress	class	LDP Address Message

Source code¶

//
// Copyright (C) 2020 OpenSim Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
//

import inet.common.INETDefs;
import inet.common.packet.chunk.Chunk;
import inet.networklayer.contract.ipv4.Ipv4Address;

namespace inet;

//
// LDP message types
//
enum LdpMessageTypes
{
    NOTIFICATION = 10;
    HELLO = 11;
    INITIALIZATION = 12;
    KEEP_ALIVE = 13;
    ADDRESS = 14;
    ADDRESS_WITHDRAW = 15;
    LABEL_MAPPING = 16;
    LABEL_REQUEST = 17;
    LABEL_WITHDRAW = 18;
    LABEL_RELEASE = 19;
    UNKNOWN = 20;
}

enum LdpStatusTypes
{
    NO_ROUTE = 13;
}

struct FecTlv
{
    Ipv4Address addr;
    int length;
}

//
// Base class for LDP packets
//
class LdpPacket extends FieldsChunk
{
    int type;
    Ipv4Address senderAddress;
    Ipv4Address receiverAddress;
}

//
// LDP Label Mapping Message
//
class LdpLabelMapping extends LdpPacket
{
    FecTlv fec;
    int label;
}

//
// LDP Label Request Message
//
class LdpLabelRequest extends LdpPacket
{
    FecTlv fec;
}

//
// LDP Hello Message
//
class LdpHello extends LdpPacket
{
    double holdTime;
    bool tbit;
    bool rbit;
}

//
// LDP notification message
//
class LdpNotify extends LdpPacket
{
    int status;
    FecTlv fec;
}

//
// LDP Ini Message
//
//# FIXME currently unused
class LdpIni extends LdpPacket
{
    double keepAliveTime;
    bool abit;
    bool dbit;
    int pvLim;
    string receiverLDPIdentifier;
}

//
// LDP Address Message
//
//# FIXME currently unused
class LdpAddress extends LdpPacket
{
    bool isWithdraw;
    string family;
    string addresses[];
}