LinkLayerNodeBase

Package: inet.node.base

LinkLayerNodeBase

compound module

(no description)

status : NodeStatus Keeps track of the status of network node (up, down, etc.) for other modules, and also displays it... Source: status: NodeStatus if hasStatus { @display("p=125,80;is=s"); } clock : like IClock IClock: This module interface is implemented by clock models. Source: clock: <default("")> like IClock if typename != "" { @display("p=125,320;is=s"); } energyStorage : like IEnergyStorage IEnergyStorage: The energy storage models describe devices that absorb energy produced by generators, and provide... Source: energyStorage: <default("")> like IEnergyStorage if typename != "" { @display("p=125,400;is=s"); } energyManagement : like IEnergyManagement IEnergyManagement: The energy management models monitors an energy storage, estimates its state, and controls the... Source: energyManagement: <default("")> like IEnergyManagement if typename != "" { @display("p=125,480;is=s"); } energyGenerator : like IEnergyGenerator IEnergyGenerator: The energy generator models describe the energy generation process of devices over time. Source: energyGenerator: <default("")> like IEnergyGenerator if typename != "" { @display("p=125,560;is=s"); } mobility : like IMobility IMobility: The module interface for mobility models. Source: mobility: <default("")> like IMobility if typename != "" { @display("p=125,160;is=s"); } measurer : like IMeasurer IMeasurer: This module interface is implemented by all standalone measurement modules. Source: measurer: <default("")> like IMeasurer if typename != "" { @display("p=125,660;is=s"); } pcapRecorder[numPcapRecorders] : PcapRecorder Records PCAP traces of frames sent/received by other modules within the same host. Source: pcapRecorder[numPcapRecorders]: PcapRecorder { @display("p=125,640;is=s"); } interfaceTable : InterfaceTable Keeps the table of network interfaces. Source: interfaceTable: InterfaceTable { @display("p=125,240;is=s"); } llc : like IIeee8022Llc Source: llc: <default("")> like IIeee8022Llc if typename != "" { @display("p=375,525"); } cb : MessageDispatcher This module connects multiple applications, protocols and interfaces with each other and... Source: cb: MessageDispatcher { @display("p=750,600;b=1000,5"); } bridging : like IProtocolLayer IProtocolLayer: This module interface is implemented by all protocol layer modules that connect to a higher and to... Source: bridging: <default("")> like IProtocolLayer if typename != "" { @display("p=750,675"); } bl : MessageDispatcher This module connects multiple applications, protocols and interfaces with each other and... Source: bl: MessageDispatcher { @display("p=750,750;b=1000,5"); } ethernet : like IEthernetLayer Source: ethernet: <default(sizeof(ethg) > 0 ? "EthernetEncapsulation" : "")> like IEthernetLayer if typename != "" { @display("p=375,825"); } ieee8021q : like IIeee8021qLayer Source: ieee8021q: <default("")> like IIeee8021qLayer if typename != "" { @display("p=525,825"); } ieee8021r : like IIeee8021rLayer Source: ieee8021r: <default("")> like IIeee8021rLayer if typename != "" { @display("p=675,825"); } li : MessageDispatcher This module connects multiple applications, protocols and interfaces with each other and... Source: li: MessageDispatcher { @display("p=750,900;b=1000,5,,,,1"); } lo[numLoInterfaces] : like ILoopbackInterface LoopbackInterface: This module implements a loopback network interface. ILoopbackInterface: This module interface is implemented by loopback network interfaces. Source: lo[numLoInterfaces]: <default("LoopbackInterface")> like ILoopbackInterface { @display("p=750,975,row,150"); } wlan[numWlanInterfaces] : like IWirelessInterface Ieee80211Interface: This module implements an IEEE 802.11 network interface. IWirelessInterface: This module interface is implemented by wireless network interfaces. Source: wlan[numWlanInterfaces]: <default("Ieee80211Interface")> like IWirelessInterface { @display("p=375,1000,row,150;q=queue"); } ppp[sizeof(pppg)] : like IPppInterface PppInterface: This module implements a PPP network interface. IPppInterface: This module interface is implemented by PPP network interfaces. Source: ppp[sizeof(pppg)]: <default("PppInterface")> like IPppInterface { @display("p=300,975,row,150;q=txQueue"); } eth[sizeof(ethg)] : like IEthernetInterface EthernetInterface: This module represents an Ethernet network interface. IEthernetInterface: This module interface is implemented by Ethernet network interfaces. Source: eth[sizeof(ethg)]: <default("EthernetInterface")> like IEthernetInterface { @display("p=900,975,row,150;q=txQueue"); } tun[numTunInterfaces] : like ITunnelInterface TunInterface: This module implements a TUN network interface. ITunnelInterface: This module interface is implemnted by tunnel network interfaces. Source: tun[numTunInterfaces]: <default("TunInterface")> like ITunnelInterface { @display("p=975,1000,row,150;q=txQueue"); } virt[numVirtInterfaces] : like IVirtualInterface VirtualInterface: This module implements a virtual network interface. IVirtualInterface: This module interface is implemnted by virtual network interfaces. Source: virt[numVirtInterfaces]: <default("VirtualInterface")> like IVirtualInterface { @display("p=975,1000,row,150;q=txQueue"); }

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.

Known subclasses

Name Type Description
NetworkLayerNodeBase compound module (no description)

Extends

Name Type Description
NodeBase compound module

This module contains the most basic infrastructure for network nodes that is not strictly communication protocol related.

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 1
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"

Properties

Name Value Description
networkNode
labels node
class NodeBase
display bgb=1256,1125

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

Source code

module LinkLayerNodeBase extends NodeBase like IEthernetNetworkNode
{
    parameters:
        bool recordPcap = default(false);
        int numPcapRecorders = default(recordPcap ? 1 : 0);
        int numLoInterfaces = default(1);
        int numWlanInterfaces = default(0);
        int numEthInterfaces = default(0);  // minimum number of ethernet interfaces
        int numPppInterfaces = default(0);  // minimum number of PPP interfaces
        int numTunInterfaces = default(0);
        int numVirtInterfaces = default(0);
        string fcsMode @enum("declared","computed") = default("declared");
        pcapRecorder[*].pcapFile = default("results/" + expand("${configname}-") + fullPath() + ".pcap");
        mobility.typename = default(numWlanInterfaces > 0 ? "StationaryMobility" : "");
        *.interfaceTableModule = default(absPath(".interfaceTable"));
        *.fcsMode = this.fcsMode;
        wlan[*].radio.antenna.mobilityModule = default("^.^.^.mobility");
        ethernet.registerProtocol = default(true);
        @figure[linkLayer](type=rectangle; pos=250,458; size=1000,284; fillColor=#0000ff; lineColor=#808080; cornerRadius=5; fillOpacity=0.1);
        @figure[linkLayer.title](type=text; pos=1245,463; anchor=ne; text="link layer");
        @figure[interfaceLayer](type=rectangle; pos=250,758; size=1000,360; fillColor=#00ffff; lineColor=#808080; cornerRadius=5; fillOpacity=0.1);
        @figure[interfaceLayer.title](type=text; pos=1245,763; anchor=ne; text="interface layer");
    gates:
        input radioIn[numWlanInterfaces] @directIn;
        inout pppg[numPppInterfaces] @labels(PppFrame-conn) @allowUnconnected;
        inout ethg[numEthInterfaces] @labels(EtherFrame-conn) @allowUnconnected;
    submodules:
        pcapRecorder[numPcapRecorders]: PcapRecorder {
            @display("p=125,640;is=s");
        }
        interfaceTable: InterfaceTable {
            @display("p=125,240;is=s");
        }
        llc: <default("")> like IIeee8022Llc if typename != "" {
            @display("p=375,525");
        }
        cb: MessageDispatcher {
            @display("p=750,600;b=1000,5");
        }
        bridging: <default("")> like IProtocolLayer if typename != "" {
            @display("p=750,675");
        }
        bl: MessageDispatcher {
            @display("p=750,750;b=1000,5");
        }
        ethernet: <default(sizeof(ethg) > 0 ? "EthernetEncapsulation" : "")> like IEthernetLayer if typename != "" {
            @display("p=375,825");
        }
        ieee8021q: <default("")> like IIeee8021qLayer if typename != "" {
            @display("p=525,825");
        }
        ieee8021r: <default("")> like IIeee8021rLayer if typename != "" {
            @display("p=675,825");
        }
        li: MessageDispatcher {
            @display("p=750,900;b=1000,5,,,,1");
        }
        lo[numLoInterfaces]: <default("LoopbackInterface")> like ILoopbackInterface {
            @display("p=750,975,row,150");
        }
        // TODO move wlan interfaces after eth interfaces, but it changes IP address assignment and breaks examples/inet/configurator/complex.ini
        wlan[numWlanInterfaces]: <default("Ieee80211Interface")> like IWirelessInterface {
            @display("p=375,1000,row,150;q=queue");
        }
        ppp[sizeof(pppg)]: <default("PppInterface")> like IPppInterface {
            @display("p=300,975,row,150;q=txQueue");
        }
        eth[sizeof(ethg)]: <default("EthernetInterface")> like IEthernetInterface {
            @display("p=900,975,row,150;q=txQueue");
        }
        tun[numTunInterfaces]: <default("TunInterface")> like ITunnelInterface {
            @display("p=975,1000,row,150;q=txQueue");
        }
        virt[numVirtInterfaces]: <default("VirtualInterface")> like IVirtualInterface {
            @display("p=975,1000,row,150;q=txQueue");
        }
    connections allowunconnected:
        llc.lowerLayerOut --> cb.in++ if exists(llc);
        llc.lowerLayerIn <-- cb.out++ if exists(llc);

        cb.out++ --> bridging.upperLayerIn if exists(bridging);
        bridging.upperLayerOut --> cb.in++ if exists(bridging);

        bridging.lowerLayerOut --> bl.in++ if exists(bridging);
        bl.out++ --> bridging.lowerLayerIn if exists(bridging);

        cb.out++ --> bl.in++ if !exists(bridging);
        bl.out++ --> cb.in++ if !exists(bridging);

        bl.out++ --> li.in++;
        li.out++ --> bl.in++;

        bl.out++ --> ieee8021q.upperLayerIn if exists(ieee8021q);
        ieee8021q.upperLayerOut --> bl.in++ if exists(ieee8021q);

        bl.out++ --> ieee8021r.upperLayerIn if exists(ieee8021r);
        ieee8021r.upperLayerOut --> bl.in++ if exists(ieee8021r);

        bl.out++ --> ethernet.upperLayerIn if exists(ethernet);
        ethernet.upperLayerOut --> bl.in++ if exists(ethernet);

        ieee8021q.lowerLayerOut --> li.in++ if exists(ieee8021q);
        li.out++ --> ieee8021q.lowerLayerIn if exists(ieee8021q);

        ieee8021r.lowerLayerOut --> li.in++ if exists(ieee8021r);
        li.out++ --> ieee8021r.lowerLayerIn if exists(ieee8021r);

        ethernet.lowerLayerOut --> li.in++ if exists(ethernet);
        li.out++ --> ethernet.lowerLayerIn if exists(ethernet);

        for i=0..sizeof(radioIn)-1 {
            radioIn[i] --> { @display("m=s"); } --> wlan[i].radioIn;
        }

        for i=0..sizeof(ethg)-1 {
            ethg[i] <--> { @display("m=s"); } <--> eth[i].phys;
        }

        for i=0..sizeof(pppg)-1 {
            pppg[i] <--> { @display("m=s"); } <--> ppp[i].phys;
        }

        for i=0..numLoInterfaces-1 {
            li.out++ --> lo[i].upperLayerIn;
            lo[i].upperLayerOut --> li.in++;
        }

        for i=0..sizeof(radioIn)-1 {
            wlan[i].upperLayerOut --> li.in++;
            wlan[i].upperLayerIn <-- li.out++;
        }

        for i=0..sizeof(ethg)-1 {
            eth[i].upperLayerOut --> li.in++;
            eth[i].upperLayerIn <-- li.out++;
        }

        for i=0..sizeof(pppg)-1 {
            ppp[i].upperLayerOut --> li.in++;
            ppp[i].upperLayerIn <-- li.out++;
        }

        for i=0..numTunInterfaces-1 {
            tun[i].upperLayerOut --> li.in++;
            tun[i].upperLayerIn <-- li.out++;
        }

        for i=0..numVirtInterfaces-1 {
            virt[i].upperLayerOut --> li.in++;
            virt[i].upperLayerIn <-- li.out++;
        }
}
File: src/inet/node/base/LinkLayerNodeBase.ned

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