This module takes packets passed to its input and streams them to its output.

Inheritance diagram

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

Extends

Name	Type	Description
PacketProcessorBase	simple module	This is a base module for various packet processing modules which maintains a few statistics.

Parameters

Name	Type	Default value	Description
displayStringTextFormat	string	"processed %p pk (%l)"	determines the text that is written on top of the submodule
clockModule	string	""	relative path of a module that implements IClock; optional
datarate	double	nan bps
minPacketLength	int
roundingLength	int	1B

Properties

Name	Value	Description
display	i=block/cogwheel
class	PreemptableStreamer

Gates

Name	Direction	Size	Description
in	input
out	output

Direct method calls (observed)

call to	function	info
EthernetFcsChecker	inet::EthernetFcsChecker::pullPacket	pullPacket
EthernetFragmentFcsInserter	inet::EthernetFragmentFcsInserter::handleCanPullPacketChanged	handleCanPullPacketChanged

Called methods (observed)

function	info	call from
inet::PreemptableStreamer::handleCanPullPacketChanged	handleCanPullPacketChanged	EthernetFcsChecker
inet::PreemptableStreamer::pullPacketEnd	pullPacketEnd	EthernetFragmentFcsInserter
inet::PreemptableStreamer::pullPacketStart	pullPacketStart	EthernetFragmentFcsInserter

Pull in messages (observed)

gate	msg	kind	ctrl	srcModule	tags
in	Packet	0		EthernetFcsChecker	DirectionTag, DispatchProtocolInd, EncapsulationProtocolReq, InterfaceReq, MacAddressReq, MulticastReq, NetworkProtocolInd, PacketProtocolTag, TransportProtocolInd, VlanReq

Pulled out messages (observed)

gate	msg	kind	ctrl	destModule	tags
out	Packet	0		EthernetFragmentFcsInserter	DirectionTag, DispatchProtocolInd, EncapsulationProtocolReq, FragmentTag, InterfaceReq, MacAddressReq, MulticastReq, NetworkProtocolInd, TransportProtocolInd, VlanReq, PacketProtocolTag?

Packet operations (observed)

chunkType	packetAction
ByteCountChunk	Packet
Chunk	removeAtBack

Shared Tagging operations (observed)

tagType	tagAction
FragmentTag	addTag, findTagForUpdate, getTagForUpdate
PacketProtocolTag	removeTagIfPresent

Source code

//
// This module takes packets passed to its input and streams them to its output.
//
simple PreemptableStreamer extends PacketProcessorBase like IPacketFlow
{
    parameters:
        string clockModule = default(""); // relative path of a module that implements IClock; optional
        double datarate @unit(bps) = default(nan bps);
        int minPacketLength @unit(b);
        int roundingLength @unit(b) = default(1B);
        @class(PreemptableStreamer);
        @display("i=block/cogwheel");
    gates:
        input in @labels(send,push,pull,pass);
        output out @labels(send,push,pull,stream);
}

File: src/inet/protocolelement/common/PreemptableStreamer.ned

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