inet::ospf::InterfaceStateDown Class Reference

#include <OSPFInterfaceStateDown.h>

Inheritance diagram for inet::ospf::InterfaceStateDown:

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::InterfaceStateDown::getState ( ) const

inlineoverridevirtual

Implements inet::ospf::InterfaceState.

{ return Interface::DOWN_STATE; }

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

overridevirtual

Implements inet::ospf::InterfaceState.

{
    if (event == Interface::INTERFACE_UP) {
        MessageHandler *messageHandler = intf->getArea()->getRouter()->getMessageHandler();
        messageHandler->startTimer(intf->getHelloTimer(), RNGCONTEXT truncnormal(0.1, 0.01));    // add some deviation to avoid startup collisions
        messageHandler->startTimer(intf->getAcknowledgementTimer(), intf->getAcknowledgementDelay());
        switch (intf->getType()) {
            case Interface::POINTTOPOINT:
            case Interface::POINTTOMULTIPOINT:
            case Interface::VIRTUAL:
                changeState(intf, new InterfaceStatePointToPoint, this);
                break;

            case Interface::NBMA:
                if (intf->getRouterPriority() == 0) {
                    changeState(intf, new InterfaceStateNotDesignatedRouter, this);
                }
                else {
                    changeState(intf, new InterfaceStateWaiting, this);
                    messageHandler->startTimer(intf->getWaitTimer(), intf->getRouterDeadInterval());

                    long neighborCount = intf->getNeighborCount();
                    for (long i = 0; i < neighborCount; i++) {
                        Neighbor *neighbor = intf->getNeighbor(i);
                        if (neighbor->getPriority() > 0) {
                            neighbor->processEvent(Neighbor::START);
                        }
                    }
                }
                break;

            case Interface::BROADCAST:
                if (intf->getRouterPriority() == 0) {
                    changeState(intf, new InterfaceStateNotDesignatedRouter, this);
                }
                else {
                    changeState(intf, new InterfaceStateWaiting, this);
                    messageHandler->startTimer(intf->getWaitTimer(), intf->getRouterDeadInterval());
                }
                break;

            default:
                break;
        }
    }
    if (event == Interface::LOOP_INDICATION) {
        intf->reset();
        changeState(intf, new InterfaceStateLoopback, this);
    }
}

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

• OSPFInterfaceStateDown.h
• OSPFInterfaceStateDown.cc