private void TwoWayReceived(OspfNeighborState state, NeighborEventType evt, object data)
{
var tupleData = data as Tuple<IPHeader, OspfHeader, Tuple<IPAddress, IPAddress>>;
var dr = tupleData.Item3.Item1;
var bdr = tupleData.Item3.Item2;
var newTupleData = new Tuple<IPAddress, IPAddress, IPAddress>(dr, bdr, tupleData.Item1.SourceAddress);
if (ShouldBeAdjacent(newTupleData))
{
ProcessAdjacency(newTupleData);
}
else
{
OspfNeighborState = OspfNeighborState.TwoWay;
}
}
private void SeqNumberMismatch(OspfNeighborState state, NeighborEventType evt, object data)
{
var tupleData = data as Tuple<IPHeader, OspfHeader, Tuple<OspfDbdHeader, OspfLsaHeader[]>>;
OspfNeighborState = OspfNeighborState.ExStart;
InitListData();
DDSequenceNumber++;
LocalMSState = MasterSlaveState.Master;
PrepareSendDBD(tupleData.Item1.SourceAddress, GetDBDOptions(isFirstRun: true, hasMore: true));
}
private void NegotiationDone(OspfNeighborState state, NeighborEventType evt, object data)
{
var tupleData = data as Tuple<IPHeader, OspfHeader, object>;
//+
DBSummaryList.AddRange(Interface.Area.RouterLSAMap.Values.Where(p => p.CommonHeader.LSAge < Constant.MaxAge).Select(p => p.CommonHeader));
LSRetransmissionList.AddRange(Interface.Area.RouterLSAMap.Values.Where(p => p.CommonHeader.LSAge >= Constant.MaxAge).Select(p => p.CommonHeader));
//+
DBSummaryList.AddRange(Interface.Area.NetworkLSAMap.Values.Where(p => p.CommonHeader.LSAge < Constant.MaxAge).Select(p => p.CommonHeader));
LSRetransmissionList.AddRange(Interface.Area.NetworkLSAMap.Values.Where(p => p.CommonHeader.LSAge >= Constant.MaxAge).Select(p => p.CommonHeader));
//+
DBSummaryList.AddRange(Interface.Area.SummaryLSAMap.Values.Where(p => p.CommonHeader.LSAge < Constant.MaxAge).Select(p => p.CommonHeader));
LSRetransmissionList.AddRange(Interface.Area.SummaryLSAMap.Values.Where(p => p.CommonHeader.LSAge >= Constant.MaxAge).Select(p => p.CommonHeader));
//+
if (Interface.OspfNetworkType != OspfNetworkType.VirtualLink && Interface.Area.ExternalRoutingCapability)
{
DBSummaryList.AddRange(Module.ASExternalLSAMap.Values.Where(p => p.CommonHeader.LSAge < Constant.MaxAge).Select(p => p.CommonHeader));
LSRetransmissionList.AddRange(Module.ASExternalLSAMap.Values.Where(p => p.CommonHeader.LSAge < Constant.MaxAge).Select(p => p.CommonHeader));
}
OspfNeighborState = OspfNeighborState.Exchange;
}
private void HelloReceived(OspfNeighborState state, NeighborEventType evt, object data)
{
_inactivityTimer = new Timer();
_inactivityTimer.Interval = 1000;
_inactivityTimer.Elapsed += (s, e) =>
{
if ((DateTime.Now - LastSeen).Seconds > Interface.RouterDeadInterval)
{
RaiseEvent(NeighborEventType.InactivityTimer);
}
};
_inactivityTimer.Start();
OspfNeighborState nextState;
if (_stateMachine.GetNext(state, evt, out nextState))
{
OspfNeighborState = nextState;
}
}
private void ExchangeDone(OspfNeighborState state, NeighborEventType evt, object data)
{
if (LSRequestList.Count == 0)
{
OspfNeighborState = OspfNeighborState.Full;
}
else
{
OspfNeighborState = OspfNeighborState.Loading;
BeginLSRProcess();
}
}
private void AdjOK(OspfNeighborState state, NeighborEventType evt, object data)
{
var tupleData = data as Tuple<IPAddress, IPAddress, IPAddress>;
if (OspfNeighborState == OspfNeighborState.TwoWay)
{
if (ShouldBeAdjacent(tupleData))
{
OspfNeighborState = OspfNeighborState.ExStart;
ProcessAdjacency(tupleData);
}
}
else if (OspfNeighborState == OspfNeighborState.ExStart)
{
if (!ShouldBeAdjacent(tupleData))
{
InitListData();
OspfNeighborState = OspfNeighborState.TwoWay;
}
}
}
