NED File src/inet/networklayer/common/SimpleNetworkLayer.ned

Name	Type	Description
SimpleNetworkLayer	compound module	This module provides a simple network layer.
Source code

//
// Copyright (C) 2004 OpenSim Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
//


package inet.networklayer.common;

import inet.common.MessageDispatcher;
import inet.networklayer.contract.IArp;
import inet.networklayer.contract.INetworkLayer;
import inet.networklayer.contract.INetworkProtocol;

//
// This module provides a simple network layer.
//
module SimpleNetworkLayer like INetworkLayer
{
    parameters:
        string interfaceTableModule;
        *.interfaceTableModule = default(absPath(this.interfaceTableModule));
        @display("i=block/fork");

    gates:
        input ifIn @labels(INetworkHeader);
        output ifOut @labels(INetworkHeader);
        input transportIn @labels(ITransportPacket/down);
        output transportOut @labels(ITransportPacket/up);

    submodules:
        echo: EchoProtocol {
            parameters:
                @display("p=450,100");
        }
        up: MessageDispatcher {
            parameters:
                @display("p=300,200;b=480,5");
        }
        arp: <default("")> like IArp if typename != "" {
            parameters:
                @display("p=150,300;q=pendingQueue");
        }
        np: <> like INetworkProtocol {
            parameters:
                @display("p=300,300;q=queue");
        }
        lp: MessageDispatcher {
            parameters:
                @display("p=300,400;b=480,5");
        }

    connections allowunconnected:
        up.out++ --> { @display("m=n"); } --> transportOut;
        up.in++ <-- { @display("m=n"); } <-- transportIn;

        np.transportOut --> up.in++;
        np.transportIn <-- up.out++;

        up.out++ --> echo.ipIn;
        up.in++ <-- echo.ipOut;

        lp.out++ --> arp.ifIn if exists(arp);
        lp.in++ <-- arp.ifOut if exists(arp);

        lp.out++ --> np.queueIn;
        lp.in++ <-- np.queueOut;

        lp.in++ <-- { @display("m=s"); } <-- ifIn;
        lp.out++ --> { @display("m=s"); } --> ifOut;
}