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INET Framework for OMNeT++/OMNEST
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#include <OSPFNeighborStateExchangeStart.h>
Public Member Functions | |
| virtual void | ProcessEvent (Neighbor *neighbor, Neighbor::NeighborEventType event) |
| virtual Neighbor::NeighborStateType | GetState (void) const |
| virtual Neighbor::NeighborStateType OSPF::NeighborStateExchangeStart::GetState | ( | void | ) | const [inline, virtual] |
Implements OSPF::NeighborState.
{ return Neighbor::ExchangeStartState; }
| void OSPF::NeighborStateExchangeStart::ProcessEvent | ( | OSPF::Neighbor * | neighbor, |
| Neighbor::NeighborEventType | event | ||
| ) | [virtual] |
Implements OSPF::NeighborState.
{
if ((event == OSPF::Neighbor::KillNeighbor) || (event == OSPF::Neighbor::LinkDown)) {
MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
neighbor->Reset();
messageHandler->ClearTimer(neighbor->GetInactivityTimer());
ChangeState(neighbor, new OSPF::NeighborStateDown, this);
}
if (event == OSPF::Neighbor::InactivityTimer) {
neighbor->Reset();
if (neighbor->GetInterface()->GetType() == OSPF::Interface::NBMA) {
MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
messageHandler->StartTimer(neighbor->GetPollTimer(), neighbor->GetInterface()->GetPollInterval());
}
ChangeState(neighbor, new OSPF::NeighborStateDown, this);
}
if (event == OSPF::Neighbor::OneWayReceived) {
neighbor->Reset();
ChangeState(neighbor, new OSPF::NeighborStateInit, this);
}
if (event == OSPF::Neighbor::HelloReceived) {
MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
messageHandler->ClearTimer(neighbor->GetInactivityTimer());
messageHandler->StartTimer(neighbor->GetInactivityTimer(), neighbor->GetRouterDeadInterval());
}
if (event == OSPF::Neighbor::IsAdjacencyOK) {
if (!neighbor->NeedAdjacency()) {
neighbor->Reset();
ChangeState(neighbor, new OSPF::NeighborStateTwoWay, this);
}
}
if (event == OSPF::Neighbor::DDRetransmissionTimer) {
MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
neighbor->RetransmitDatabaseDescriptionPacket();
messageHandler->StartTimer(neighbor->GetDDRetransmissionTimer(), neighbor->GetInterface()->GetRetransmissionInterval());
}
if (event == OSPF::Neighbor::NegotiationDone) {
neighbor->CreateDatabaseSummary();
neighbor->SendDatabaseDescriptionPacket();
MessageHandler* messageHandler = neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
messageHandler->ClearTimer(neighbor->GetDDRetransmissionTimer());
ChangeState(neighbor, new OSPF::NeighborStateExchange, this);
}
}