Package: inet.linklayer.loopback

LoopbackInterface

compound module

Loopback interface. Complements the Loopback module.

Usage diagram

The following diagram shows usage relationships between types. Unresolved types are missing from the diagram.

Inheritance diagram

The following diagram shows inheritance relationships for this type. Unresolved types are missing from the diagram.

Used in compound modules

Name	Type	Description
LDP_LSR	compound module	An LDP-capable router.
NodeBase	compound module	Contains the common lower layers (linklayer and networklayer) of Router, StandardHost, WirelessHost etc.
RSVP_LSR	compound module	An RSVP-TE capable router.

Parameters

Name	Type	Default value
interfaceTableModule	string
numOutputHooks	int	0
numInputHooks	int	0

Properties

Name	Value	Description
display	i=block/ifcard;bgb=214,249;bgl=53

Gates

Name	Direction	Size	Description
upperLayerIn	input
upperLayerOut	output

Unassigned submodule parameters

Name	Type	Default value	Description
lo.interfaceTableModule	string		The path to the InterfaceTable module
lo.mtu	int	4470B

Source code

//
// Loopback interface. Complements the ~Loopback module.
//
module LoopbackInterface like INic
{
    parameters:
        @display("i=block/ifcard;bgb=214,249;bgl=53");
        string interfaceTableModule;
        int numOutputHooks = default(0);
        int numInputHooks = default(0);
        *.interfaceTableModule = default(absPath(this.interfaceTableModule));
    gates:
        input upperLayerIn;
        output upperLayerOut;
    submodules:
        outputHook[numOutputHooks]: <default("Nop")> like IHook if numOutputHooks>0 {
            @display("p=42,33");
        }
        inputHook[numInputHooks]: <default("Nop")> like IHook if numInputHooks>0 {
            @display("p=177,33");
        }
        lo: Loopback {
            parameters:
                @display("p=98,207");
        }
    connections:
        upperLayerIn --> { @display("m=n"); } --> outputHook[0].in if numOutputHooks > 0;
        upperLayerIn --> { @display("m=n"); } --> lo.netwIn if numOutputHooks == 0;

        for i=0..numOutputHooks-2 {
            outputHook[i].out --> outputHook[i+1].in;
        }
        outputHook[numOutputHooks-1].out --> lo.netwIn if numOutputHooks > 0;

        lo.netwOut --> { @display("m=n"); } --> upperLayerOut if numInputHooks == 0;

        lo.netwOut --> inputHook[0].in if numInputHooks > 0;

        for i=0..numInputHooks-2 {
            inputHook[i].out --> inputHook[i+1].in;
        }
        inputHook[numInputHooks-1].out --> { @display("m=n"); } --> upperLayerOut if numInputHooks > 0;
}

File: src/inet/linklayer/loopback/LoopbackInterface.ned