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00001 //
00002 // This program is free software: you can redistribute it and/or modify
00003 // it under the terms of the GNU Lesser General Public License as published by
00004 // the Free Software Foundation, either version 3 of the License, or
00005 // (at your option) any later version.
00006 // 
00007 // This program is distributed in the hope that it will be useful,
00008 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00009 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00010 // GNU Lesser General Public License for more details.
00011 // 
00012 // You should have received a copy of the GNU Lesser General Public License
00013 // along with this program.  If not, see http://www.gnu.org/licenses/.
00014 // 
00015 
00016 #include "ansaOspfArea6.h"
00017 #include "ansaOspfInterface6.h"
00018 #include "ansaOspfRouter6.h"
00019 #include "ansaMessageHandler6.h"
00020 
00021 #include "ansaOspfNeighborStateAttempt6.h"
00022 #include "ansaOspfNeighborStateDown6.h"
00023 #include "ansaOspfNeighborStateInit6.h"
00024 
00025 void AnsaOspf6::NeighborStateAttempt::ProcessEvent(AnsaOspf6::Neighbor* neighbor,
00026       AnsaOspf6::Neighbor::NeighborEventType event) {
00027 
00028    if ((event == AnsaOspf6::Neighbor::KillNeighbor) || (event == AnsaOspf6::Neighbor::LinkDown)){
00029       MessageHandler* messageHandler =
00030             neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
00031       neighbor->Reset();
00032       messageHandler->ClearTimer(neighbor->GetInactivityTimer());
00033       ChangeState(neighbor, new AnsaOspf6::NeighborStateDown, this);
00034    }
00035    if (event == AnsaOspf6::Neighbor::InactivityTimer){
00036       neighbor->Reset();
00037       if (neighbor->GetInterface()->GetType() == AnsaOspf6::Interface::NBMA){
00038          MessageHandler* messageHandler =
00039                neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
00040          messageHandler->StartTimer(neighbor->GetPollTimer(),
00041                neighbor->GetInterface()->GetPollInterval());
00042       }
00043       ChangeState(neighbor, new AnsaOspf6::NeighborStateDown, this);
00044    }
00045    if (event == AnsaOspf6::Neighbor::HelloReceived){
00046       MessageHandler* messageHandler =
00047             neighbor->GetInterface()->GetArea()->GetRouter()->GetMessageHandler();
00048       messageHandler->ClearTimer(neighbor->GetInactivityTimer());
00049       messageHandler->StartTimer(neighbor->GetInactivityTimer(), neighbor->GetRouterDeadInterval());
00050       ChangeState(neighbor, new AnsaOspf6::NeighborStateInit, this);
00051    }
00052 }