public void InitLSBD()
{
//+ local-router LSA
var header = new OspfLsaHeader
{
LSAge = 0,
AdvertisingRouter = Module.RouterID,
Options = (byte)GetOptions(supportOBit: true, removeLLSDataBlock: true),
OspfLsaType = OspfLsaType.Route,
LSID = Module.RouterID,
SequenceNumber = Constant.InitialSequenceNumber
};
var routerLsa = new OspfLsaRouterHeader
{
CommonHeader = header,
RouterLSAOptions = Module.RouterLSAOptions,
LinkCount = (ushort)InterfaceList.Count
};
RouterLSAMap.Add(header.Key, routerLsa);
var lsaLinkList = new List<OspfLsaRouterLinkHeader>();
foreach (var interfc in InterfaceList)
{
var link = new OspfLsaRouterLinkHeader
{
TypeOfService = 0,
Metric = 1
};
if (_controller.DeviceConfigurationMap[interfc.DeviceID].IsLoopback)
{
link.OspfLsaLinkType = OspfLsaLinkType.Stub;
}
else
{
link.OspfLsaLinkType = OspfLsaLinkType.Transit;
}
lsaLinkList.Add(link);
switch (link.OspfLsaLinkType)
{
case OspfLsaLinkType.PointToPoint:
link.LinkID = interfc.RemoteRouterID;
link.LinkData = interfc.IPAddress;
//TODO: something about unnumbered here, p207 "
break;
case OspfLsaLinkType.Transit:
link.LinkID = interfc.DR;
link.LinkData = interfc.IPAddress;
break;
case OspfLsaLinkType.Stub:
link.LinkID = interfc.IPAddress.GetNetwork(interfc.Mask);
link.LinkData = interfc.Mask;
break;
case OspfLsaLinkType.VirtualLink:
link.LinkID = interfc.RemoteRouterID;
link.LinkData = interfc.IPAddress;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
routerLsa.LinkList = lsaLinkList;
}
public bool IsSame(OspfLsaHeader header)
{
return header.LSType == LSType && header.LSID == LSID && header.AdvertisingRouter == AdvertisingRouter;
}