inet::ospfv3::Ospfv3InterfaceStateWaiting Class Reference

#include <Ospfv3InterfaceStateWaiting.h>

Inheritance diagram for inet::ospfv3::Ospfv3InterfaceStateWaiting:

Public Member Functions
	~Ospfv3InterfaceStateWaiting ()
void	processEvent (Ospfv3Interface *intf, Ospfv3Interface::Ospfv3InterfaceEvent event) override
Ospfv3Interface::Ospfv3InterfaceFaState	getState () const override
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

~Ospfv3InterfaceStateWaiting()

inet::ospfv3::Ospfv3InterfaceStateWaiting::~Ospfv3InterfaceStateWaiting ( )

inline

{};

Member Function Documentation

getInterfaceStateString()

std::string inet::ospfv3::Ospfv3InterfaceStateWaiting::getInterfaceStateString ( ) const

inlineoverridevirtual

Implements inet::ospfv3::Ospfv3InterfaceState.

{ return std::string("Ospfv3InterfaceStateWaiting"); }

getState()

Ospfv3Interface::Ospfv3InterfaceFaState inet::ospfv3::Ospfv3InterfaceStateWaiting::getState ( ) const

inlineoverridevirtual

Implements inet::ospfv3::Ospfv3InterfaceState.

{ return Ospfv3Interface::INTERFACE_STATE_WAITING; }

processEvent()

void inet::ospfv3::Ospfv3InterfaceStateWaiting::processEvent ( Ospfv3Interface *  intf, Ospfv3Interface::Ospfv3InterfaceEvent  event  )

overridevirtual

Implements inet::ospfv3::Ospfv3InterfaceState.

{
    /*
     * HELLO_TIMER - for the time in wait timer it monitors hello packets
     * WAIT_TIMER - election - it goes either into DR, BDR or DROther
     * BACKUP_SEEN - end of waiting - either some router says it is the BDR or DR and the BDR is missing
     *              -either way the state is over
     * INTERFACE_DOWN or LOOPBACK_IND - transit to DOWN
     *
     */
    if ((event == Ospfv3Interface::BACKUP_SEEN_EVENT) ||
        (event == Ospfv3Interface::WAIT_TIMER_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) {
            Packet *hello = interface->prepareHello();
            interface->getArea()->getInstance()->getProcess()->sendPacket(hello, Ipv6Address::ALL_OSPF_ROUTERS_MCAST, interface->getIntName().c_str());
        }
        else { // Interface::NBMA
            unsigned long neighborCount = interface->getNeighborCount();
            int hopLimit = (interface->getType() == Ospfv3Interface::VIRTUAL_TYPE) ? VIRTUAL_LINK_TTL : 1;
            for (unsigned long i = 0; i < neighborCount; i++) {
                Ospfv3Neighbor *neighbor = interface->getNeighbor(i);
                if (neighbor->getNeighborPriority() > 0) {
                    Packet *hello = interface->prepareHello();
                    Ipv6Address dest = neighbor->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) {
        interface->sendDelayedAcknowledgements();
    }
} // processEvent

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

• Ospfv3InterfaceStateWaiting.h
• Ospfv3InterfaceStateWaiting.cc