private static Packet UserAuthentification(Packet p)
{
try
{
ClientAccountLogin packet = (ClientAccountLogin)p;
ServerAcknowledgementLogin response = new ServerAcknowledgementLogin();
//Authentification process: modify IsLoggedIn and login variable of the response packet
if (User.validateUser(packet.login, packet.password))
{
Console.WriteLine("User connected. Sending response.");
response.verification = true;
response.login = packet.login;
}
else
{
response.verification = false;
response.login = "******";
}
loginPacket = response;
return(response);
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
return(null);
}
private static Packet Login(Packet p)
{
ServerAcknowledgementLogin packet = (ServerAcknowledgementLogin)p;
if (packet.verification)
{
//Login logic (create static user) + notification
User user = new User();
user.id = packet.id;
user.username = packet.login;
Session.currentUser = user;
Session.isLoggedIn = true;
Console.WriteLine("Connected as {0}.", packet.login);
}
return(null);
}
//Dispatcher logic layer
public static void ReadCallback(IAsyncResult ar)
{
try{
String content = String.Empty;
//Retrieve the state object and the handler socket
// from the async state object
StateObject state = (StateObject)ar.AsyncState;
Socket handler = state.workSocket;
//Read data from the client socket
int bytesRead = handler.EndReceive(ar);
if (bytesRead > 0)
{
state.sb.Append(Encoding.ASCII.GetString(state.buffer, 0, bytesRead));
content = state.sb.ToString();
if (content.Length > 0)
{
Packet pck = Packet.Parse(state.buffer);
//All the data has been read from the cient. Display it on the console
//Console.WriteLine("Read {0} bytes from socket. \n Data : ", content.Length, content);
//Business layer:
byte[] response = Dispatcher_Server.Switcher(pck);
if (response != null && response.Length > 0)
{
Send(handler, response);
sendDone.WaitOne();
}
if (Dispatcher_Server.SendingQueue.Count > 0)
{
//TODO: can tweak to accept generalized packet format, instead of specific
foreach (Packet sendingPacket in Dispatcher_Server.SendingQueue)
{
PacketSendMessage messagePacket = (PacketSendMessage)sendingPacket;
Send(Client_SocketID.list_clients[User.GetUserByID(messagePacket.userID).socketID],
Packet.Encode(messagePacket.PacketType(), (ICanSerialize)messagePacket));
sendDone.WaitOne();
}
}
//client/user status as connected (set clientSocketID)
else if (Dispatcher_Server.loginPacket?.ID == PacketType.ServerAcknowledgementLogin.ID())
{
ServerAcknowledgementLogin loginPacket =
(ServerAcknowledgementLogin)Dispatcher_Server.loginPacket;
Client_SocketID.list_clients.Add(Client_SocketID.count++, handler);
User.GetUserByID(loginPacket.id).connectToCurrentClient(Client_SocketID.count);
}
}
else
{
///Not all data received. Get more.
handler.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(ReadCallback), state);
}
}
receiveDone.Set();
}
catch (System.Net.Sockets.SocketException e)
{
Console.WriteLine("Client disconnected");
e.ToString();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
