Package: inet.linklayer.loopback

Loopback

simple module

C++ definition

Loopback interface module implementation.

<b>See also:</b> ~LoopbackInterface

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
LoopbackInterface	compound module	Implements a loopback network interface.

Extends

Name	Type	Description
SimpleModule	simple module	Base module for all INET simple modules.

Parameters

Name	Type	Default value	Description
displayStringTextFormat	string	""	Determines the text that is written on top of the submodule, supports displaying pars, watches, and module-specific information
interfaceTableModule	string		The path to the InterfaceTable module
mtu	int	4470B

Properties

Name	Value	Description
class	Loopback
display	i=block/rxtx

Gates

Name	Direction	Size	Description
upperLayerIn	input
upperLayerOut	output

Signals

Name	Type	Unit	Description
packetReceivedFromUpper	cPacket
packetSentToUpper	cPacket

Statistics

Name	Title	Source	Record	Unit	Interpolation Mode	Description
rcvdPkFromHl	packets received from higher layer	packetReceivedFromUpper	count, sum(packetBytes), vector(packetBytes)		none
passedUpPk	packets passed to higher layer	packetSentToUpper	count, sum(packetBytes), vector(packetBytes)		none

Source code

//
// Loopback interface module implementation.
//
// @see ~LoopbackInterface
//
simple Loopback extends SimpleModule
{
    parameters:
        @class(Loopback);
        string interfaceTableModule;   // The path to the InterfaceTable module
        int mtu @unit(B) = default(4470B);
        @display("i=block/rxtx");

        @signal[packetSentToUpper](type=cPacket);
        @signal[packetReceivedFromUpper](type=cPacket);
        @statistic[rcvdPkFromHl](title="packets received from higher layer"; source=packetReceivedFromUpper; record=count,"sum(packetBytes)","vector(packetBytes)"; interpolationmode=none);
        @statistic[passedUpPk](title="packets passed to higher layer"; source=packetSentToUpper; record=count,"sum(packetBytes)","vector(packetBytes)"; interpolationmode=none);

    gates:
        input upperLayerIn;
        output upperLayerOut;
}

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