This module is an IPv4 router that can delay or drop packets (while retaining their order) based on which interface card the packet arrived on and on which interface it is leaving the cloud. The delayer module is replaceable.

By default the delayer module is MatrixCloudDelayer which lets you configure the delay, drop and datarate parameters in an XML file. Packet flows, as defined by incoming and outgoing interface pairs, are independent of each other.

The InternetCloud module can be used only to model the delay between two hops, but it is possible to build more complex networks using several InternetCloud modules.

See also: MatrixCloudDelayer

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.

Extends

Name	Type	Description
NetworkLayerNodeBase	compound module	(no description)

Parameters

Name	Type	Default value	Description
hasStatus	bool	false
osgModel	string	""	3D model for OSG visualization, no 3D model by default
osgModelColor	string	""	tint color, no colorization by default
canvasImage	string	""	image for canvas visualization, no image by default
canvasImageColor	string	""	tint color, no colorization by default
recordPcap	bool	false
numPcapRecorders	int	recordPcap ? 1 : 0
numLoInterfaces	int	0
numWlanInterfaces	int	0
numEthInterfaces	int	0	minimum number of ethernet interfaces
numPppInterfaces	int	0	minimum number of PPP interfaces
numTunInterfaces	int	0
numVirtInterfaces	int	0
fcsMode	string	"declared"
hasIpv4	bool	true
hasIpv6	bool	false
hasGn	bool	false
forwarding	bool	true
multicastForwarding	bool	false

Properties

Name	Value	Description
networkNode
labels	node
class	NodeBase
display	i=misc/cloud

Gates

Name	Direction	Size	Description
radioIn [ ]	input	numWlanInterfaces
pppg [ ]	inout	numPppInterfaces
ethg [ ]	inout	numEthInterfaces

Unassigned submodule parameters

Name	Type	Default value	Description
status.initialStatus	string	"UP"	TODO @signal, @statistic
pcapRecorder.verbose	bool	true	whether to log packets on the module output
pcapRecorder.pcapFile	string	""	the PCAP file to be written
pcapRecorder.fileFormat	string	"pcapng"
pcapRecorder.snaplen	int	65535	maximum number of bytes to record per packet
pcapRecorder.dumpBadFrames	bool	true	enable dump of frames with hasBitError
pcapRecorder.moduleNamePatterns	string	"wlan[*] eth[*] ppp[*]"	space-separated list of sibling module names to listen on
pcapRecorder.sendingSignalNames	string	"packetSentToLower"	space-separated list of outbound packet signals to subscribe to
pcapRecorder.receivingSignalNames	string	"packetReceivedFromLower"	space-separated list of inbound packet signals to subscribe to
pcapRecorder.dumpProtocols	string	"ethernetmac ppp ieee80211mac"	space-separated list of protocol names as defined in the Protocol class
pcapRecorder.packetFilter	object	"*"	which packets are considered, matches all packets by default
pcapRecorder.helpers	string	""	usable PcapRecorder::IHelper helpers for accept packettype and store/convert packet as specified linktype currently available: "inet::AckingMacToEthernetPcapRecorderHelper"
pcapRecorder.alwaysFlush	bool	false	flush the pcapFile after each write to ensure that all packets are captured in case of a crash
pcapRecorder.displayStringTextFormat	string	"rec: %n pks"
interfaceTable.displayAddresses	bool	false	whether to display IP addresses on links
cb.displayStringTextFormat	string	"processed %p pk (%l)"	determines the text that is written on top of the submodule
cb.forwardServiceRegistration	bool	true
cb.forwardProtocolRegistration	bool	true
bl.displayStringTextFormat	string	"processed %p pk (%l)"	determines the text that is written on top of the submodule
bl.forwardServiceRegistration	bool	true
bl.forwardProtocolRegistration	bool	true
li.displayStringTextFormat	string	"processed %p pk (%l)"	determines the text that is written on top of the submodule
li.forwardServiceRegistration	bool	true
li.forwardProtocolRegistration	bool	true
eth.bitrate	double
nl.displayStringTextFormat	string	"processed %p pk (%l)"	determines the text that is written on top of the submodule
nl.forwardServiceRegistration	bool	true
nl.forwardProtocolRegistration	bool	true

Source code

//
// This module is an IPv4 router that can delay or drop packets (while retaining their order)
// based on which interface card the packet arrived on and on which interface
// it is leaving the cloud. The delayer module is replaceable.
//
// By default the delayer module is ~MatrixCloudDelayer which lets you configure
// the delay, drop and datarate parameters in an XML file. Packet flows, as defined
// by incoming and outgoing interface pairs, are independent of each other.
//
// The ~InternetCloud module can be used only to model the delay between two hops, but
// it is possible to build more complex networks using several ~InternetCloud modules.
//
// @see ~MatrixCloudDelayer
//
module InternetCloud extends NetworkLayerNodeBase
{
    parameters:
        numLoInterfaces = 0;
        numTunInterfaces = 0;
        forwarding = true;
        @display("i=misc/cloud");
        @figure[submodules];
        *.interfaceTableModule = default(absPath(".interfaceTable"));
    submodules:
        ipv4Delayer: <default("MatrixCloudDelayer")> like ICloudDelayer if hasIpv4 {
            parameters:
                networkProtocolModule = "^.ipv4.ip";
                @display("p=825,376");
        }
        ipv6Delayer: <default("MatrixCloudDelayer")> like ICloudDelayer if hasIpv6 {
            parameters:
                networkProtocolModule = "^.ipv6.ipv6";
                @display("p=975,376");
        }
        gnDelayer: <default("MatrixCloudDelayer")> like ICloudDelayer if hasGn {
            parameters:
                networkProtocolModule = "^.generic.nextHop";
                @display("p=1125,376");
        }
    connections allowunconnected:
}

File: src/inet/node/internetcloud/InternetCloud.ned

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