public static void ReadCallbackServer(IAsyncResult ar)
{
String content = String.Empty;
// Retrieve the state object and the handler socket
// from the asynchronous state object.
StateServerObject state = (StateServerObject)ar.AsyncState;
Socket handler = state.workSocket;
// Read data from the client socket.
int bytesRead = handler.EndReceive(ar);
if (bytesRead > 0)
{
// There might be more data, so store the data received so far.
state.sb.Append(Encoding.ASCII.GetString(state.buffer, 0, bytesRead));
// Check for end-of-file tag. If it is not there, read
// more data.
content = state.sb.ToString();
if (content.IndexOf("<EOF>") > -1)
{
// All the data has been read from the
// client. Display it on the console.
Console.WriteLine("Read {0} bytes from socket. \n Data : {1}", content.Length, content);
// Echo the data back to the client.
var forwardClient = new AsynchronousClient();
content +=
". This message was received from the client at the middleware and spied on. It has been passed on to the server.";
var response = forwardClient.ConnectAndGetResponse(27005, content);
SendServer(handler, response);
}
else
{
// Not all data received. Get more.
handler.BeginReceive(
state.buffer,
0,
StateServerObject.BufferSize,
0,
new AsyncCallback(ReadCallbackServer),
state);
}
}
}
public static void AcceptCallbackServer(IAsyncResult ar)
{
// Signal the main thread to continue.
allDone.Set();
// Get the socket that handles the client request.
var listener = (Socket)ar.AsyncState;
var handler = listener.EndAccept(ar);
// Create the state object.
var state = new StateServerObject {
workSocket = handler
};
handler.BeginReceive(
state.buffer,
0,
StateServerObject.BufferSize,
0,
new AsyncCallback(ReadCallbackServer),
state);
}