public static byte[] GetBytes(RipDataHeader ripDataHeader)
{
var list = new List<byte>();
list.AddRange(ByteReader.GetBytes(ripDataHeader.AddressFamily));
list.AddRange(ByteReader.GetBytes(ripDataHeader.RouteTag));
list.AddRange(ripDataHeader.Network.GetBytes());
list.AddRange(ripDataHeader.Mask.GetBytes());
list.AddRange(ripDataHeader.NextHop.GetBytes());
list.AddRange(ByteReader.GetBytes(ripDataHeader.Metric));
return list.ToArray();
}
private void HandleRequest(string deviceID, RipPreambleHeader ripPreambleHeader, RipDataHeader[] ripDataHeaderArray)
{
//TODO: does rip flood to all interfaces upon requst from one??
SendFlood(deviceID);
}
private void HandleResponse(string deviceID, RipPreambleHeader ripPreambleHeader, RipDataHeader[] ripDataHeaderArray, IPHeader ipHeader)
{
foreach (RipDataHeader ripDataHeader in ripDataHeaderArray)
{
if (RipDatabase.ContainsKey(ripDataHeader.Network))
{
RipRoute route = RipDatabase[ripDataHeader.Network];
if (ripDataHeader.Metric < route.Metric)
{
RipDatabase[ripDataHeader.Network].UpdateRipHeaderData(ipHeader.SourceAddress, ripDataHeader);
}
else if (ripDataHeader.Metric > route.Metric && ripDataHeader.NextHop == ipHeader.SourceAddress)
{
if (route.AcceptPotentialNewMetricOnNextSighting &&
route.PotentialNewMetric == ripDataHeader.Metric)
{
route.AcceptPotentialNewMetric();
}
else
{
route.BeginHoldDownTime(ripDataHeader);
}
}
route.TimeUpdated = DateTime.Now;
route.RaiseEvent(RipEvent.Sighted);
}
else
{
RipRoute route = RipRoute.Create(ipHeader.SourceAddress, ripDataHeader, deviceID);
route.GCCollect += (s, e) =>
{
RipDatabase.Remove((s as RipRoute).Network);
Controller.RemoveRoute(this, route);
};
Log.Write("RIP", "RipDatabaseAdd", ripDataHeader.Network.StandardFormat);
RipDatabase.Add(ripDataHeader.Network, route);
Controller.RegisterRoute(this, route);
}
}
}
