/// <summary>
/// Registers or retreive a server (IOC) chain.
/// </summary>
/// <param name="gateway"></param>
/// <param name="endPoint"></param>
/// <returns></returns>
public static WorkerChain GetIocChain(Gateway gateway, IPEndPoint endPoint)
{
lock (iocConnections)
{
if (endPoint == null)
{
}
Debug.Assert(endPoint != null, "endPoint != null");
if (iocConnections.ContainsKey(endPoint))
return iocChains[endPoint];
}
if (gateway == null)
return null;
WorkerChain chain = WorkerChain.TcpResponseChain(gateway, ChainSide.SERVER_CONN, endPoint, endPoint);
WorkerChain result = null;
lock (iocConnections)
{
if (iocConnections.ContainsKey(endPoint))
result = iocChains[endPoint];
else
{
Socket socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
socket.SetSocketOption(SocketOptionLevel.Tcp, SocketOptionName.NoDelay, true);
try
{
//SocketAsyncEventArgs async = new SocketAsyncEventArgs();
if (!SocketConnect(socket, endPoint, 200))
{
try
{
socket.Dispose();
}
catch
{
}
return null;
}
//socket.Connect(endPoint);
//socket.ConnectAsync(new SocketAsyncEventArgs { RemoteEndPoint = endPoint });
//socket.BeginConnect(endPoint, SocketConnected, null);
}
catch (Exception ex)
{
socket.Dispose();
return null;
}
iocConnections.Add(endPoint, socket);
// Add a monitor on the known channels
chain.Channels.BagModified += (ConcurrentBagModification<string>)((bag, newItem) => gateway.DoIocConnectedChannels(endPoint.ToString(), newItem));
((TcpReceiver)chain[0]).Socket = socket;
iocChains.Add(endPoint, chain);
if (Log.WillDisplay(System.Diagnostics.TraceEventType.Start))
Log.TraceEvent(System.Diagnostics.TraceEventType.Start, -1, "Building new IOC chain for " + endPoint);
result = chain;
}
}
if (!object.ReferenceEquals(result, chain))
chain.Dispose();
return result;
}
