UDPEchoApp

simple module

Listens on an UDP port, and sends back each received packet to its sender. Note: when used together with UDPBasicApp, UDPBasicApp's "received packet lifetime" statistic will record round-trip times.

Inheritance diagram

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

Parameters

Name	Type	Default value	Description
interfaceTableModule	string		The path to the InterfaceTable module
localPort	int		local port to listen on

Properties

Name	Value	Description
display	i=block/app

Gates

Name	Direction	Size	Description
udpIn	input
udpOut	output

Signals

Name	Type	Unit
pk	cPacket

Statistics

Name	Title	Source	Record	Unit	Interpolation Mode
echoedPk	packets echoed	pk	count, sum(packetBytes), vector(packetBytes)		none

Source code

//
// Listens on an UDP port, and sends back each received packet to its sender.
// Note: when used together with ~UDPBasicApp, ~UDPBasicApp's "received packet
// lifetime" statistic will record round-trip times.
//
simple UDPEchoApp like IUDPApp
{
    parameters:
        string interfaceTableModule;   // The path to the InterfaceTable module
        int localPort;  // local port to listen on
        @display("i=block/app");
        @signal[pk](type=cPacket);
        @statistic[echoedPk](title="packets echoed"; source=pk; record=count,"sum(packetBytes)","vector(packetBytes)"; interpolationmode=none);
    gates:
        input udpIn @labels(UDPControlInfo/up);
        output udpOut @labels(UDPControlInfo/down);
}

File: src/inet/applications/udpapp/UDPEchoApp.ned