Package: inet.node.base


compound module

(no description)

NodeStatus IEnergyStorage IEnergyManagement IEnergyGenerator IMobility PcapRecorder InterfaceTable ILoopbackInterface IWirelessInterface IPppInterface IEthernetInterface ITunnelInterface IVlanInterface

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)


Name Type Description
NodeBase compound module

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


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

numPcapRecorders int 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
numVlanInterfaces int 0


Name Value Description
labels node
display bgb=1256,672


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 false

whether to log packets on the module output

pcapRecorder.pcapFile string ""

the PCAP file to be written

pcapRecorder.pcapLinkType int -1

the network type header field in the PCAP file, see (1=ethernet, 204=ppp, 105=IEEE 802.11, ...) (-1 means autodetect based on first recordable packet)

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 string "*"

which packets are considered, matches all packets by default

pcapRecorder.packetDataFilter string "*"

which packets are considered based on the data they contain, 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

Source code

module LinkLayerNodeBase extends NodeBase
        int numPcapRecorders = default(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 numVlanInterfaces = default(0);
        mobility.typename = default(numWlanInterfaces > 0 ? "StationaryMobility" : "");
        *.interfaceTableModule = default(absPath(".interfaceTable"));
        wlan[*].radio.antenna.mobilityModule = default("^.^.^.mobility");
        @figure[linkLayer](type=rectangle; pos=250,456; size=1000,210; fillColor=#0000ff; lineColor=#808080; cornerRadius=5; fillOpacity=0.1);
        @figure[linkLayer.title](type=text; pos=1245,461; anchor=ne; text="link layer");

        input radioIn[numWlanInterfaces] @directIn;
        inout pppg[numPppInterfaces] @labels(PppFrame-conn) @allowUnconnected;
        inout ethg[numEthInterfaces] @labels(EtherFrame-conn) @allowUnconnected;

        pcapRecorder[numPcapRecorders]: PcapRecorder {
        interfaceTable: InterfaceTable {
        lo[numLoInterfaces]: <default("LoopbackInterface")> like ILoopbackInterface {
        // 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 {
        ppp[sizeof(pppg)]: <default("PppInterface")> like IPppInterface {
        eth[sizeof(ethg)]: <default("EthernetInterface")> like IEthernetInterface {
        tun[numTunInterfaces]: <default("TunInterface")> like ITunnelInterface {
        vlan[numVlanInterfaces]: <default("VlanInterface")> like IVlanInterface {

    connections allowunconnected:
        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;

File: src/inet/node/base/LinkLayerNodeBase.ned