This module provides a mechanism to test network layer connectivity using echo request/response messages similar to that of ICMP.

Used in compound modules

Name	Type	Description
GenericNetworkLayer	compound module	This module provides the generic network layer.
SimpleNetworkLayer	compound module	This module provides a simple network layer.
WiseRouteNetworkLayer	compound module	This module provides a simple network layer.

Properties

Name	Value	Description
display	i=block/control_s

Gates

Name	Direction	Size	Description
localIn	input
pingIn [ ]	input		ping requests from app
pingOut [ ]	output		result of ping
sendOut	output		towards network

Source code

//
// This module provides a mechanism to test network layer connectivity
// using echo request/response messages similar to that of ICMP.
//
simple EchoProtocol
{
    parameters:
        @display("i=block/control_s");
    gates:
        input localIn @labels(GenericNetworkProtocolControlInfo/up);
        input pingIn[];  // ping requests from app
        output pingOut[];  // result of ping
        output sendOut @labels(GenericNetworkProtocolControlInfo/down);  // towards network
}

File: src/inet/networklayer/common/EchoProtocol.ned

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