/// <summary>
/// Starts the socket connection from the TCP listener and stores the socket in the state, as well as the callback.
/// </summary>
/// <param name="ar"></param>
public static void Accept_a_New_Client(IAsyncResult ar)
{
PreservedState listener_state = (ar.AsyncState as PreservedState);
PreservedState pstate = new PreservedState();
pstate.State_Socket = listener_state.State_Socket.EndAccept(ar); // A new socket is "generated" here - every socket needs a new state
pstate.State_Callback = listener_state.State_Callback;
pstate.State_Callback(pstate); // Pass in the new state, let the server store it
listener_state.State_Socket.BeginAccept(Accept_a_New_Client, listener_state);
}
/// <summary>
/// A method that ends the connection
/// </summary>
/// <param name="state"></param>
private static void Connected_to_Server(IAsyncResult state)
{
PreservedState pstate = (state.AsyncState as PreservedState);
try
{
pstate.State_Socket.EndConnect(state);
pstate.State_Callback(pstate);
}
catch (Exception e)
{
//pstate.State_Socket.Shutdown(SocketShutdown.Both);
pstate.State_Socket.Close();
//pstate.State_Callback(pstate);
}
}
/// <summary>
///A method that uses the IAsyncResult state to save our GUIcall back for future use, constantly looping to
/// receive more data
/// </summary>
/// <param name="state"></param>
private static void ReceiveCallback(IAsyncResult state)
{
PreservedState pstate = (state.AsyncState as PreservedState);
try
{
int byt = pstate.State_Socket.EndReceive(state);
lock (pstate)
{
if (byt > 0)
{
pstate.data.Append(encode.GetString(pstate.buffer, 0, byt));
pstate.State_Callback(pstate);
}
}
}
catch (Exception e)
{
//pstate.State_Socket.Shutdown(SocketShutdown.Both);
pstate.State_Socket.Close();
//pstate.State_Callback(pstate);
}
}