Igmpv3

simple module

(no description)

Inheritance diagram

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

Parameters

Name	Type	Default value	Description
enabled	bool	true
interfaceTableModule	string
routingTableModule	string
crcMode	string	"declared"
robustnessVariable	int	2	IGMP is roboust to (roboustnessVariable-1) packet loss
queryInterval	double	125s
queryResponseInterval	double	10s
groupMembershipInterval	double	(robustnessVariable * queryInterval) + queryResponseInterval
otherQuerierPresentInterval	double	(robustnessVariable * queryInterval) + (queryResponseInterval / 2)
startupQueryInterval	double	queryInterval / 4
startupQueryCount	int	robustnessVariable
lastMemberQueryInterval	double	1s
lastMemberQueryCount	int	robustnessVariable
unsolicitedReportInterval	double	10s

Properties

Name	Value	Description
display	i=block/cogwheel	double version1RouterPresentInterval @unit(s) = default(400s);
selfMessageKinds	inet::IgmpTimerKind

Gates

Name	Direction	Description
ipIn	input	delivered IGMP packets
ipOut	output	to Ipv4
routerIn	input
routerOut	output

Scheduled messages (observed)

msg	kind	ctrl	tags	msgname	context
omnetpp::cMessage	0			IgmpvN General Query timer	filled
omnetpp::cMessage	3			IgmpvN Host General Timer	filled

Direct method calls (observed)

call to	function	info
MessageDispatcher	inet::MessageDispatcher::arrived	arrived
MessageDispatcher	inet::MessageDispatcher::handleRegisterProtocol	handleRegisterProtocol
InterfaceTable	inet::InterfaceTable::interfaceChanged	interfaceChanged
Igmpv3	inet::Igmpv3::receiveSignal	ipv4McastChange

Called methods (observed)

function	info	call from
inet::Igmpv3::receiveSignal	ipv4McastChange	Igmpv3

Incoming messages (observed)

gate	msg	kind	ctrl	srcModule	tags
ipIn	Packet	0		Ipv4	DispatchProtocolReq, DscpInd, EcnInd, HopLimitInd, InterfaceInd, L3AddressInd, MacAddressInd, NetworkProtocolInd, PacketProtocolTag, TosInd

Outgoing messages (observed)

gate	msg	kind	ctrl	destModule	tags
ipOut	Packet	0		Ipv4	DispatchProtocolInd, DispatchProtocolReq, HopLimitReq, InterfaceReq, Ipv4OptionsReq, L3AddressReq, PacketProtocolTag, DscpReq?

Packet operations (observed)

chunkType	packetAction
IgmpMessage	peekAtFront
Igmpv3Query	insertAtFront, peekAtFront
Igmpv3Report	insertAtFront, peekAtFront

Shared Tagging operations (observed)

tagType	tagAction
DispatchProtocolInd	addTagIfAbsent
DispatchProtocolReq	addTagIfAbsent
DscpReq	addTag
HopLimitReq	addTagIfAbsent
InterfaceInd	getTag
InterfaceReq	addTagIfAbsent
Ipv4OptionsReq	addTag
L3AddressInd	getTag
L3AddressReq	addTagIfAbsent
PacketProtocolTag	addTagIfAbsent

Tagging operations (observed)

tagType	tagAction
inet::Ipv4InterfaceData	findTagForUpdate, getTag, getTagForUpdate

Source code

simple Igmpv3 like IIgmp
{
    parameters:
        bool enabled = default(true);
        string interfaceTableModule;
        string routingTableModule;
        string crcMode @enum("declared","computed") = default("declared");
        int robustnessVariable = default(2); // IGMP is roboust to (roboustnessVariable-1) packet loss
        double queryInterval @unit(s) = default(125s);
        double queryResponseInterval @unit(s) = default(10s);
        double groupMembershipInterval @unit(s) = default((robustnessVariable * queryInterval) + queryResponseInterval);
        double otherQuerierPresentInterval @unit(s) = default((robustnessVariable * queryInterval) + (queryResponseInterval / 2));
        double startupQueryInterval @unit(s) = default(queryInterval / 4);
        int startupQueryCount = default(robustnessVariable);
        double lastMemberQueryInterval @unit(s) = default(1s);
        int lastMemberQueryCount = default(robustnessVariable);
        double unsolicitedReportInterval @unit(s) = default(10s);
        //      double version1RouterPresentInterval @unit(s) = default(400s);
        @display("i=block/cogwheel");
        @selfMessageKinds(inet::IgmpTimerKind);

    gates:
        input ipIn @labels(Ipv4ControlInfo/up);  // delivered IGMP packets
        output ipOut @labels(Ipv4ControlInfo/down); // to ~Ipv4

        input routerIn @labels(Ipv4ControlInfo/up);
        output routerOut @labels(Ipv4ControlInfo/down);
}

File: src/inet/networklayer/ipv4/Igmpv3.ned