inet::ospf::InterfaceStateDesignatedRouter Class Reference

#include <OSPFInterfaceStateDesignatedRouter.h>

Inheritance diagram for inet::ospf::InterfaceStateDesignatedRouter:

Public Member Functions
virtual void	processEvent (Interface *intf, Interface::InterfaceEventType event) override
virtual Interface::InterfaceStateType	getState () const override
Public Member Functions inherited from inet::ospf::InterfaceState
virtual	~InterfaceState ()

Additional Inherited Members
Protected Member Functions inherited from inet::ospf::InterfaceState
void	changeState (Interface *intf, InterfaceState *newState, InterfaceState *currentState)
void	calculateDesignatedRouter (Interface *intf)

Member Function Documentation

virtual Interface::InterfaceStateType inet::ospf::InterfaceStateDesignatedRouter::getState ( ) const

inlineoverridevirtual

Implements inet::ospf::InterfaceState.

{ return Interface::DESIGNATED_ROUTER_STATE; }

void inet::ospf::InterfaceStateDesignatedRouter::processEvent ( Interface *  intf, Interface::InterfaceEventType  event  )

overridevirtual

Implements inet::ospf::InterfaceState.

{
    if (event == Interface::NEIGHBOR_CHANGE) {
        calculateDesignatedRouter(intf);
    }
    if (event == Interface::INTERFACE_DOWN) {
        intf->reset();
        changeState(intf, new InterfaceStateDown, this);
    }
    if (event == Interface::LOOP_INDICATION) {
        intf->reset();
        changeState(intf, new InterfaceStateLoopback, this);
    }
    if (event == Interface::HELLO_TIMER) {
        if (intf->getType() == Interface::BROADCAST) {
            intf->sendHelloPacket(IPv4Address::ALL_OSPF_ROUTERS_MCAST);
        }
        else {    // Interface::NBMA
            unsigned long neighborCount = intf->getNeighborCount();
            int ttl = (intf->getType() == Interface::VIRTUAL) ? VIRTUAL_LINK_TTL : 1;
            for (unsigned long i = 0; i < neighborCount; i++) {
                intf->sendHelloPacket(intf->getNeighbor(i)->getAddress(), ttl);
            }
        }
        intf->getArea()->getRouter()->getMessageHandler()->startTimer(intf->getHelloTimer(), intf->getHelloInterval());
    }
    if (event == Interface::ACKNOWLEDGEMENT_TIMER) {
        intf->sendDelayedAcknowledgements();
    }
}

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The documentation for this class was generated from the following files:

• OSPFInterfaceStateDesignatedRouter.h
• OSPFInterfaceStateDesignatedRouter.cc