OSPF::InterfaceStateDown Class Reference

#include <OSPFInterfaceStateDown.h>

Inheritance diagram for OSPF::InterfaceStateDown:

OSPF::InterfaceState

List of all members.

Public Member Functions

virtual void ProcessEvent (Interface *intf, Interface::InterfaceEventType event)
virtual
Interface::InterfaceStateType 
GetState (void) const


Member Function Documentation

void OSPF::InterfaceStateDown::ProcessEvent ( OSPF::Interface intf,
Interface::InterfaceEventType  event 
) [virtual]

Implements OSPF::InterfaceState.

00028 {
00029     if (event == OSPF::Interface::InterfaceUp) {
00030         OSPF::MessageHandler* messageHandler = intf->GetArea()->GetRouter()->GetMessageHandler();
00031         messageHandler->StartTimer(intf->GetHelloTimer(), truncnormal(0.1, 0.01)); // add some deviation to avoid startup collisions
00032         messageHandler->StartTimer(intf->GetAcknowledgementTimer(), intf->GetAcknowledgementDelay());
00033         switch (intf->GetType()) {
00034             case OSPF::Interface::PointToPoint:
00035             case OSPF::Interface::PointToMultiPoint:
00036             case OSPF::Interface::Virtual:
00037                 ChangeState(intf, new OSPF::InterfaceStatePointToPoint, this);
00038                 break;
00039 
00040             case OSPF::Interface::NBMA:
00041                 if (intf->GetRouterPriority() == 0) {
00042                     ChangeState(intf, new OSPF::InterfaceStateNotDesignatedRouter, this);
00043                 } else {
00044                     ChangeState(intf, new OSPF::InterfaceStateWaiting, this);
00045                     messageHandler->StartTimer(intf->GetWaitTimer(), intf->GetRouterDeadInterval());
00046 
00047                     long neighborCount = intf->GetNeighborCount();
00048                     for (long i = 0; i < neighborCount; i++) {
00049                         OSPF::Neighbor* neighbor = intf->GetNeighbor(i);
00050                         if (neighbor->GetPriority() > 0) {
00051                             neighbor->ProcessEvent(OSPF::Neighbor::Start);
00052                         }
00053                     }
00054                 }
00055                 break;
00056 
00057             case OSPF::Interface::Broadcast:
00058                 if (intf->GetRouterPriority() == 0) {
00059                     ChangeState(intf, new OSPF::InterfaceStateNotDesignatedRouter, this);
00060                 } else {
00061                     ChangeState(intf, new OSPF::InterfaceStateWaiting, this);
00062                     messageHandler->StartTimer(intf->GetWaitTimer(), intf->GetRouterDeadInterval());
00063                 }
00064                 break;
00065 
00066             default:
00067                 break;
00068         }
00069     }
00070     if (event == OSPF::Interface::LoopIndication) {
00071         intf->Reset();
00072         ChangeState(intf, new OSPF::InterfaceStateLoopback, this);
00073     }
00074 }

virtual Interface::InterfaceStateType OSPF::InterfaceStateDown::GetState ( void   )  const [inline, virtual]

Implements OSPF::InterfaceState.

00029 { return Interface::DownState; }


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

Generated on Fri Mar 20 18:51:23 2009 for INET Framework for OMNeT++/OMNEST by  doxygen 1.5.5