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INET Framework for OMNeT++/OMNEST
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#include <OSPFInterfaceStateDesignatedRouter.h>
Public Member Functions | |
| virtual void | ProcessEvent (Interface *intf, Interface::InterfaceEventType event) |
| virtual Interface::InterfaceStateType | GetState (void) const |
| virtual Interface::InterfaceStateType OSPF::InterfaceStateDesignatedRouter::GetState | ( | void | ) | const [inline, virtual] |
Implements OSPF::InterfaceState.
{ return Interface::DesignatedRouterState; }
| void OSPF::InterfaceStateDesignatedRouter::ProcessEvent | ( | OSPF::Interface * | intf, |
| Interface::InterfaceEventType | event | ||
| ) | [virtual] |
Implements OSPF::InterfaceState.
{
if (event == OSPF::Interface::NeighborChange) {
CalculateDesignatedRouter(intf);
}
if (event == OSPF::Interface::InterfaceDown) {
intf->Reset();
ChangeState(intf, new OSPF::InterfaceStateDown, this);
}
if (event == OSPF::Interface::LoopIndication) {
intf->Reset();
ChangeState(intf, new OSPF::InterfaceStateLoopback, this);
}
if (event == OSPF::Interface::HelloTimer) {
if (intf->GetType() == OSPF::Interface::Broadcast) {
intf->SendHelloPacket(OSPF::AllSPFRouters);
} else { // OSPF::Interface::NBMA
unsigned long neighborCount = intf->GetNeighborCount();
int ttl = (intf->GetType() == OSPF::Interface::Virtual) ? VIRTUAL_LINK_TTL : 1;
for (unsigned long i = 0; i < neighborCount; i++) {
intf->SendHelloPacket(intf->GetNeighbor(i)->GetAddress(), ttl);
}
}
intf->GetArea()->GetRouter()->GetMessageHandler()->StartTimer(intf->GetHelloTimer(), intf->GetHelloInterval());
}
if (event == OSPF::Interface::AcknowledgementTimer) {
intf->SendDelayedAcknowledgements();
}
}