Package: inet.networklayer.nexthop
NextHopNetworkLayer
compound moduleThis module provides a network layer for the next hop forwarding.
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.
Parameters
Name | Type | Default value | Description |
---|---|---|---|
forwarding | bool | false | |
multicastForwarding | bool | false | |
interfaceTableModule | string |
Properties
Name | Value | Description |
---|---|---|
display | i=block/fork |
Gates
Name | Direction | Size | Description |
---|---|---|---|
ifIn | input | ||
ifOut | output | ||
transportIn | input | ||
transportOut | output |
Unassigned submodule parameters
Name | Type | Default value | Description |
---|---|---|---|
routingTable.interfaceTableModule | string |
The path to the InterfaceTable module |
|
routingTable.addressType | string | "modulepath" | |
routingTable.routerId | string | "auto" |
for routers, the router id using address dotted notation; specify "auto" to select the highest interface address; should be left empty ("") for hosts |
routingTable.forwarding | bool | true |
turns IP forwarding on/off |
routingTable.multicastForwarding | bool | false |
turns multicast forwarding on/off |
up.displayStringTextFormat | string | "processed %p pk (%l)" |
determines the text that is written on top of the submodule |
up.forwardServiceRegistration | bool | true | |
up.forwardProtocolRegistration | bool | true | |
arp.interfaceTableModule | string |
path to the InterfaceTable module |
|
arp.addressType | string | "ipv4" | |
nextHop.interfaceTableModule | string |
The path to the InterfaceTable module |
|
nextHop.routingTableModule | string | ||
nextHop.arpModule | string | ||
nextHop.procDelay | double | 0s | |
nextHop.hopLimit | int | 32 | |
nextHop.headerLength | int | 10B | |
lp.displayStringTextFormat | string | "processed %p pk (%l)" |
determines the text that is written on top of the submodule |
lp.forwardServiceRegistration | bool | true | |
lp.forwardProtocolRegistration | bool | true |
Source code
// // This module provides a network layer for the next hop forwarding. // module NextHopNetworkLayer like INetworkLayer { parameters: bool forwarding = default(false); bool multicastForwarding = default(false); string interfaceTableModule; *.forwarding = this.forwarding; *.multicastForwarding = this.multicastForwarding; *.interfaceTableModule = default(absPath(this.interfaceTableModule)); *.routingTableModule = default(absPath(".routingTable")); *.arpModule = default(absPath(".arp")); @display("i=block/fork"); gates: input ifIn @labels(INetworkHeader); output ifOut @labels(INetworkHeader); input transportIn @labels(Ipv4ControlInfo/down); output transportOut @labels(Ipv4ControlInfo/up); submodules: routingTable: NextHopRoutingTable { parameters: @display("p=100,100;is=s"); } echo: EchoProtocol { parameters: @display("p=600,100"); } up: MessageDispatcher { parameters: @display("p=450,200;b=480,5"); } arp: GlobalArp { parameters: @display("p=300,300;q=pendingQueue"); } nextHop: NextHopForwarding { parameters: @display("p=600,300;q=queue"); } lp: MessageDispatcher { parameters: @display("p=450,400;b=480,5"); } connections allowunconnected: up.out++ --> { @display("m=n"); } --> transportOut; up.in++ <-- { @display("m=n"); } <-- transportIn; nextHop.transportOut --> up.in++; nextHop.transportIn <-- up.out++; up.out++ --> echo.ipIn; up.in++ <-- echo.ipOut; lp.out++ --> arp.ifIn; lp.in++ <-- arp.ifOut; lp.out++ --> nextHop.queueIn; lp.in++ <-- nextHop.queueOut; lp.in++ <-- { @display("m=s"); } <-- ifIn; lp.out++ --> { @display("m=s"); } --> ifOut; }File: src/inet/networklayer/nexthop/NextHopNetworkLayer.ned