OSPF::NeighborStateExchange Class Reference

#include <OSPFNeighborStateExchange.h>

Inheritance diagram for OSPF::NeighborStateExchange:

OSPF::NeighborState

List of all members.

Public Member Functions

virtual void ProcessEvent (Neighbor *neighbor, Neighbor::NeighborEventType event)
virtual Neighbor::NeighborStateType GetState (void) const


Member Function Documentation

void OSPF::NeighborStateExchange::ProcessEvent ( OSPF::Neighbor neighbor,
Neighbor::NeighborEventType  event 
) [virtual]

Implements OSPF::NeighborState.

00031 {
00032     if ((event == OSPF::Neighbor::KillNeighbor) || (event == OSPF::Neighbor::LinkDown)) {
00033         MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
00034         neighbor->Reset();
00035         messageHandler->ClearTimer(neighbor->GetInactivityTimer());
00036         ChangeState(neighbor, new OSPF::NeighborStateDown, this);
00037     }
00038     if (event == OSPF::Neighbor::InactivityTimer) {
00039         neighbor->Reset();
00040         if (neighbor->GetInterface()->GetType() == OSPF::Interface::NBMA) {
00041             MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
00042             messageHandler->StartTimer(neighbor->GetPollTimer(), neighbor->GetInterface()->GetPollInterval());
00043         }
00044         ChangeState(neighbor, new OSPF::NeighborStateDown, this);
00045     }
00046     if (event == OSPF::Neighbor::OneWayReceived) {
00047         neighbor->Reset();
00048         ChangeState(neighbor, new OSPF::NeighborStateInit, this);
00049     }
00050     if (event == OSPF::Neighbor::HelloReceived) {
00051         MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
00052         messageHandler->ClearTimer(neighbor->GetInactivityTimer());
00053         messageHandler->StartTimer(neighbor->GetInactivityTimer(), neighbor->GetRouterDeadInterval());
00054     }
00055     if (event == OSPF::Neighbor::IsAdjacencyOK) {
00056         if (!neighbor->NeedAdjacency()) {
00057             neighbor->Reset();
00058             ChangeState(neighbor, new OSPF::NeighborStateTwoWay, this);
00059         }
00060     }
00061     if ((event == OSPF::Neighbor::SequenceNumberMismatch) || (event == OSPF::Neighbor::BadLinkStateRequest)) {
00062         MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
00063         neighbor->Reset();
00064         neighbor->IncrementDDSequenceNumber();
00065         neighbor->SendDatabaseDescriptionPacket(true);
00066         messageHandler->StartTimer(neighbor->GetDDRetransmissionTimer(), neighbor->GetInterface()->GetRetransmissionInterval());
00067         ChangeState(neighbor, new OSPF::NeighborStateExchangeStart, this);
00068     }
00069     if (event == OSPF::Neighbor::ExchangeDone) {
00070         if (neighbor->IsLinkStateRequestListEmpty()) {
00071             MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
00072             messageHandler->StartTimer(neighbor->GetDDRetransmissionTimer(), neighbor->GetRouterDeadInterval());
00073             neighbor->ClearRequestRetransmissionTimer();
00074             ChangeState(neighbor, new OSPF::NeighborStateFull, this);
00075         } else {
00076             MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
00077             messageHandler->StartTimer(neighbor->GetDDRetransmissionTimer(), neighbor->GetRouterDeadInterval());
00078             ChangeState(neighbor, new OSPF::NeighborStateLoading, this);
00079         }
00080     }
00081     if (event == OSPF::Neighbor::UpdateRetransmissionTimer) {
00082         neighbor->RetransmitUpdatePacket();
00083         neighbor->StartUpdateRetransmissionTimer();
00084     }
00085     if (event == OSPF::Neighbor::RequestRetransmissionTimer) {
00086         neighbor->SendLinkStateRequestPacket();
00087         neighbor->StartRequestRetransmissionTimer();
00088     }
00089 }

virtual Neighbor::NeighborStateType OSPF::NeighborStateExchange::GetState ( void   )  const [inline, virtual]

Implements OSPF::NeighborState.

00029 { return Neighbor::ExchangeState; }


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