public static void ReceiveAuthentificationCallback(IAsyncResult AR)
{
Console.WriteLine("Authentication");
User user = (User)AR.AsyncState;
Socket socket = user.socket;
try
{
ReceiveCallbackState state = new ReceiveCallbackState(user);
int received = user.socket.EndReceive(AR);
StreamParser(received, state);
string msg_string = state.buffer.First();
state.buffer.RemoveAt(0);
Message message = MessageParser(msg_string);
Message res = AuthenticationHandler.Instance.Handle(user, message);
SendMessage(user, res);
if (user.authenticated)
{
user.socket.BeginReceive(user.my_buffer, 0, user.my_buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), state);
}
}
catch (Exception my_exception)
{
UserManager.Instance.DisconnectUser(user);
Console.WriteLine(my_exception.ToString());
}
}
public static void ReceiveCallback(IAsyncResult AR)
{
Console.WriteLine("Receive Callback");
ReceiveCallbackState state = (ReceiveCallbackState)AR.AsyncState;
User user = state.user;
try
{
int received = user.socket.EndReceive(AR);
Console.WriteLine(received);
StreamParser(received, state);
if (received > 0)
{
while (state.buffer.Count > 0 && MessageComplete(state.buffer.First()))
{
string msg_string = state.buffer.First();
Message message = MessageParser(msg_string);
state.buffer.RemoveAt(0);
var response_object = MessageHandler.Instance.Handle(message, user);
foreach (User usr in response_object.Item2.Where(u => u.authenticated == true))
{
foreach (Message msg in response_object.Item1)
{
SendMessage(usr, msg);
}
}
}
user.socket.BeginReceive(user.my_buffer, 0, user.my_buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), state);
}
else
{
UserManager.Instance.DisconnectUser(user);
//user.socket.BeginReceive(user.my_buffer, 0, user.my_buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), state);
Console.WriteLine(user.username);
}
}
catch (Exception my_excepion)//excepion?
{
UserManager.Instance.DisconnectUser(user);
Console.WriteLine(my_excepion.Message);
}
Console.WriteLine("Receivecallback finished");
}
public static void StreamParser(int n_bytes, ReceiveCallbackState state)
{
byte[] data_buffer = new byte[n_bytes];
Array.Copy(state.user.my_buffer, data_buffer, n_bytes);
string text = Encoding.UTF8.GetString(data_buffer);
Regex regex = new Regex("!END");
List <string> split_buffer = Regex.Split(text, @"(?<=!END)").ToList();
foreach (string s in split_buffer)
{
if (state.buffer.Count == 0 || MessageComplete(state.buffer.First()))
{
state.buffer.Add(s);
}
else
{
state.buffer[0] = state.buffer[0] + s;
}
}
}
