inet::ospfv3::Ospfv3InterfaceStateDr Class Reference

#include <Ospfv3InterfaceStateDr.h>

Inheritance diagram for inet::ospfv3::Ospfv3InterfaceStateDr:

Public Member Functions
	~Ospfv3InterfaceStateDr ()
virtual void	processEvent (Ospfv3Interface *intf, Ospfv3Interface::Ospfv3InterfaceEvent event) override
virtual Ospfv3Interface::Ospfv3InterfaceFaState	getState () const override
virtual std::string	getInterfaceStateString () const override
Public Member Functions inherited from inet::ospfv3::Ospfv3InterfaceState
virtual	~Ospfv3InterfaceState ()

Additional Inherited Members
Protected Member Functions inherited from inet::ospfv3::Ospfv3InterfaceState
void	changeState (Ospfv3Interface *intf, Ospfv3InterfaceState *newState, Ospfv3InterfaceState *currentState)
void	calculateDesignatedRouter (Ospfv3Interface *intf)

Constructor & Destructor Documentation

~Ospfv3InterfaceStateDr()

inet::ospfv3::Ospfv3InterfaceStateDr::~Ospfv3InterfaceStateDr ( )

inline

{};

Member Function Documentation

getInterfaceStateString()

virtual std::string inet::ospfv3::Ospfv3InterfaceStateDr::getInterfaceStateString ( ) const

inlineoverridevirtual

Implements inet::ospfv3::Ospfv3InterfaceState.

{ return std::string("Ospfv3InterfaceStateDr"); }

Referenced by processEvent().

getState()

virtual Ospfv3Interface::Ospfv3InterfaceFaState inet::ospfv3::Ospfv3InterfaceStateDr::getState ( ) const

inlineoverridevirtual

Implements inet::ospfv3::Ospfv3InterfaceState.

{ return Ospfv3Interface::INTERFACE_STATE_DESIGNATED; }

processEvent()

void inet::ospfv3::Ospfv3InterfaceStateDr::processEvent ( Ospfv3Interface *  intf, Ospfv3Interface::Ospfv3InterfaceEvent  event  )

overridevirtual

Implements inet::ospfv3::Ospfv3InterfaceState.

{
    /*
     * HELLO_TIMER - watch for changes in DR, BDR or priority!!
     * NEIGHBOR_CHANGE
     *  -bidirectional comm established
     *  -no longer bidirectional comm
     *  -one of the neighbors declared itself DR or BDR
     *  -one of the neighbors is no londer declaring itself DR or BDR
     *  -advertised priority of neighbot has changed
     * INTERFACE_DOWN or LOOPBACK_IND - DOWN or LOOPBACK
     */
    if (event == Ospfv3Interface::NEIGHBOR_CHANGE_EVENT) {
        calculateDesignatedRouter(interface);
    }
    if (event == Ospfv3Interface::INTERFACE_DOWN_EVENT) {
        interface->reset();
        changeState(interface, new Ospfv3InterfaceStateDown, this);
    }
    if (event == Ospfv3Interface::LOOP_IND_EVENT) {
        interface->reset();
        changeState(interface, new Ospfv3InterfaceStateLoopback, this);
    }
    if (event == Ospfv3Interface::HELLO_TIMER_EVENT) {
        if (interface->getType() == Ospfv3Interface::BROADCAST_TYPE) {
            EV_DEBUG << "Sending Hello to all in " << this->getInterfaceStateString() << "\n";
            Packet *hello = interface->prepareHello();
            interface->getArea()->getInstance()->getProcess()->sendPacket(hello, Ipv6Address::ALL_OSPF_ROUTERS_MCAST, interface->getIntName().c_str());
        }
        else { // Interface::NBMA
            EV_DEBUG << "Sending Hello to all NBMA neighbors in " << this->getInterfaceStateString() << "\n";
            unsigned long neighborCount = interface->getNeighborCount();
            int hopLimit = (interface->getType() == Ospfv3Interface::VIRTUAL_TYPE) ? VIRTUAL_LINK_TTL : 1;
            for (unsigned long i = 0; i < neighborCount; i++) {
                Packet *hello = interface->prepareHello();
                Ipv6Address dest = interface->getNeighbor(i)->getNeighborIP();
                interface->getArea()->getInstance()->getProcess()->sendPacket(hello, dest, interface->getIntName().c_str(), hopLimit);
            }
        }
        interface->getArea()->getInstance()->getProcess()->setTimer(interface->getHelloTimer(), interface->getHelloInterval());
    }
    if (event == Ospfv3Interface::ACKNOWLEDGEMENT_TIMER_EVENT) {
        EV_DEBUG << "Sending delayed ACK in " << this->getInterfaceStateString() << "\n";
        interface->sendDelayedAcknowledgements();
    }
    if (event == Ospfv3Interface::NEIGHBOR_REVIVED_EVENT) {
        changeState(interface, new Ospfv3InterfaceStateWaiting, this);
        interface->getArea()->getInstance()->getProcess()->setTimer(interface->getWaitTimer(), interface->getDeadInterval());
    }
} // processEvent

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

• Ospfv3InterfaceStateDr.h
• Ospfv3InterfaceStateDr.cc