public void Run(ICdpServer server, Byte[] maxDatagramBuffer, ICdpTimeout timeout)
{
Cdp.UdpServerLoop(server, udpSocket, endPoint, maxDatagramBuffer, timeout);
}
public static void UdpServerLoop(ICdpServer server, Socket udpSocket, EndPoint listenEndPoint, Byte[] maxDatagramBuffer, ICdpTimeout timeout)
{
Dictionary <EndPoint, CdpServerDatagramHandler> endPointToHandler =
new Dictionary <EndPoint, CdpServerDatagramHandler>();
//Socket udpSocket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
udpSocket.Bind(listenEndPoint);
try
{
while (true)
{
EndPoint from = listenEndPoint;
int bytesRead;
try
{
bytesRead = udpSocket.ReceiveFrom(maxDatagramBuffer, ref from);
}
catch (SocketException e)
{
Boolean stopServerGracefully = server.SocketException(e);
if (stopServerGracefully)
{
throw new NotImplementedException("Stop server gracefully not implemented");
}
continue;
}
if (bytesRead <= 0)
{
// it's just a heartbeat
Console.WriteLine("[CdpDebug] Got a heartbeat from '{0}'", from);
continue;
}
CdpServerDatagramHandler handler;
//
// Handle new connection
//
if (!endPointToHandler.TryGetValue(from, out handler))
{
CdpTransmitter transmitter = new CdpTransmitter(new UdpConnectedServerTransmitter(udpSocket, from));
ICdpServerHandler serverHandler;
Int32 maxSendBeforeAck;
Boolean refuseConnection = server.NewConnection(transmitter, out serverHandler, out maxSendBeforeAck);
if (refuseConnection)
{
handler.Closed();
server.ConnectionClosed(from);
throw new NotImplementedException("Refusing connection is not yet implemented");
}
if (serverHandler == null)
{
handler.Closed();
server.ConnectionClosed(from);
throw new InvalidOperationException("You provided a null payload handler");
}
handler = new CdpServerDatagramHandler(transmitter, serverHandler, timeout);
endPointToHandler.Add(from, handler);
}
Boolean closeClient = handler.Datagram(maxDatagramBuffer, 0, bytesRead);
if (closeClient)
{
handler.Closed();
server.ConnectionClosed(from);
endPointToHandler.Remove(from);
}
}
}
finally
{
if (udpSocket != null)
{
udpSocket.Close();
}
}
}