PacketHistory

compound module

This module connects one packet producer to one packet consumer. It can be pushed with packets from the connected packet producer. It keeps a copy of the last N packets pushed into its input. The packets are available in the runtime user interface (Qtenv) for inspection.

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.

Parameters

Name	Type	Default value	Description
size	int	100	the number of packets to remember

Properties

Name	Value	Description
display	i=block/passiveq

Gates

Name	Direction	Size	Description
in	input
out	output

Unassigned submodule parameters

Name	Type	Default value	Description
cloner.displayStringTextFormat	string	"processed %p pk (%l)"	determines the text that is written on top of the submodule

Source code

//
// This module connects one packet producer to one packet consumer. It can be
// pushed with packets from the connected packet producer. It keeps a copy of
// the last N packets pushed into its input. The packets are available in the
// runtime user interface (Qtenv) for inspection.
//
module PacketHistory like IPassivePacketSink, IActivePacketSource
{
    parameters:
        int size = default(100); // the number of packets to remember
        @display("i=block/passiveq");
    gates:
        input in @labels(push);
        output out @labels(push);
    submodules:
        cloner: PacketCloner {
            parameters:
                @display("p=100,100");
        }
        queue: <default("DropHeadQueue")> like IPacketQueue {
            parameters:
                packetCapacity = default(size);
                @display("p=100,200");
        }
    connections:
        in --> { @display("m=w"); } --> cloner.in;
        cloner.out++ --> { @display("m=e"); } --> out;
        cloner.out++ --> queue.in;
}

File: src/inet/queueing/common/PacketHistory.ned