inet::ospf::NeighborStateExchange Class Reference

#include <OSPFNeighborStateExchange.h>

Inheritance diagram for inet::ospf::NeighborStateExchange:

Public Member Functions
virtual void	processEvent (Neighbor *neighbor, Neighbor::NeighborEventType event) override
virtual Neighbor::NeighborStateType	getState () const override
Public Member Functions inherited from inet::ospf::NeighborState
virtual	~NeighborState ()

Additional Inherited Members
Protected Member Functions inherited from inet::ospf::NeighborState
void	changeState (Neighbor *neighbor, NeighborState *newState, NeighborState *currentState)

Member Function Documentation

virtual Neighbor::NeighborStateType inet::ospf::NeighborStateExchange::getState ( ) const

inlineoverridevirtual

Implements inet::ospf::NeighborState.

{ return Neighbor::EXCHANGE_STATE; }

void inet::ospf::NeighborStateExchange::processEvent ( Neighbor *  neighbor, Neighbor::NeighborEventType  event  )

overridevirtual

Implements inet::ospf::NeighborState.

{
    if ((event == Neighbor::KILL_NEIGHBOR) || (event == Neighbor::LINK_DOWN)) {
        MessageHandler *messageHandler = neighbor->getInterface()->getArea()->getRouter()->getMessageHandler();
        neighbor->reset();
        messageHandler->clearTimer(neighbor->getInactivityTimer());
        changeState(neighbor, new NeighborStateDown, this);
    }
    if (event == Neighbor::INACTIVITY_TIMER) {
        neighbor->reset();
        if (neighbor->getInterface()->getType() == Interface::NBMA) {
            MessageHandler *messageHandler = neighbor->getInterface()->getArea()->getRouter()->getMessageHandler();
            messageHandler->startTimer(neighbor->getPollTimer(), neighbor->getInterface()->getPollInterval());
        }
        changeState(neighbor, new NeighborStateDown, this);
    }
    if (event == Neighbor::ONEWAY_RECEIVED) {
        neighbor->reset();
        changeState(neighbor, new NeighborStateInit, this);
    }
    if (event == Neighbor::HELLO_RECEIVED) {
        MessageHandler *messageHandler = neighbor->getInterface()->getArea()->getRouter()->getMessageHandler();
        messageHandler->clearTimer(neighbor->getInactivityTimer());
        messageHandler->startTimer(neighbor->getInactivityTimer(), neighbor->getRouterDeadInterval());
    }
    if (event == Neighbor::IS_ADJACENCY_OK) {
        if (!neighbor->needAdjacency()) {
            neighbor->reset();
            changeState(neighbor, new NeighborStateTwoWay, this);
        }
    }
    if ((event == Neighbor::SEQUENCE_NUMBER_MISMATCH) || (event == Neighbor::BAD_LINK_STATE_REQUEST)) {
        MessageHandler *messageHandler = neighbor->getInterface()->getArea()->getRouter()->getMessageHandler();
        neighbor->reset();
        neighbor->incrementDDSequenceNumber();
        neighbor->sendDatabaseDescriptionPacket(true);
        messageHandler->startTimer(neighbor->getDDRetransmissionTimer(), neighbor->getInterface()->getRetransmissionInterval());
        changeState(neighbor, new NeighborStateExchangeStart, this);
    }
    if (event == Neighbor::EXCHANGE_DONE) {
        if (neighbor->isLinkStateRequestListEmpty()) {
            MessageHandler *messageHandler = neighbor->getInterface()->getArea()->getRouter()->getMessageHandler();
            messageHandler->startTimer(neighbor->getDDRetransmissionTimer(), neighbor->getRouterDeadInterval());
            neighbor->clearRequestRetransmissionTimer();
            changeState(neighbor, new NeighborStateFull, this);
        }
        else {
            MessageHandler *messageHandler = neighbor->getInterface()->getArea()->getRouter()->getMessageHandler();
            messageHandler->startTimer(neighbor->getDDRetransmissionTimer(), neighbor->getRouterDeadInterval());
            changeState(neighbor, new NeighborStateLoading, this);
        }
    }
    if (event == Neighbor::UPDATE_RETRANSMISSION_TIMER) {
        neighbor->retransmitUpdatePacket();
        neighbor->startUpdateRetransmissionTimer();
    }
    if (event == Neighbor::REQUEST_RETRANSMISSION_TIMER) {
        neighbor->sendLinkStateRequestPacket();
        neighbor->startRequestRetransmissionTimer();
    }
}

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

• OSPFNeighborStateExchange.h
• OSPFNeighborStateExchange.cc