private void ReceiveCallback(IAsyncResult AR)
{
Socket current = (Socket)AR.AsyncState;
int received;
bool bool_return = false;
int int_return = 0;
string _login, _password, _ip;
try
{
received = current.EndReceive(AR);
}
catch (SocketException)
{
MW.Dispatcher.Invoke(() => { MW.lbx_OperationsList.Items.Add("Client: " + current.RemoteEndPoint + " forcefully disconnected"); });
MW.updateCounterOfActiveUsers(false);
current.Close();
client_sockets.Remove(current);
return;
}
byte[] recBuf = new byte[received];
Array.Copy(BUFFER, recBuf, received);
string text = Encoding.ASCII.GetString(recBuf);
if (text.ToUpper() == "EXIT")
{
MW.Dispatcher.Invoke(() => { MW.lbx_OperationsList.Items.Add("Client: " + current.RemoteEndPoint + " disconnected"); });
MW.updateCounterOfActiveUsers(false);
current.Shutdown(SocketShutdown.Both);
current.Close();
client_sockets.Remove(current);
return;
}
else
{
string[] roger = null;
try
{
roger = text.Split('|');
}
catch
{
MW.Dispatcher.Invoke(() => { MW.lbx_OperationsList.Items.Add("Client: " + current.RemoteEndPoint + " used unknown commend"); });
}
if (roger[0].ToUpper() == "REG" && roger.Length == 3)
{
_login = roger[1];
_password = roger[2];
_ip = current.RemoteEndPoint.ToString();
Task t = new Task(() => { MW.Dispatcher.Invoke(() => { int_return = DatabaseOrder.AddUser(database_connection, _login, _password); }); });
MW.tasklist.Add(SingletonSecured.Instance.AddTask(t));
t.Start();
t.Wait();
if (int_return == 0)
{
MW.Dispatcher.Invoke(() => { MW.lbx_OperationsList.Items.Add("Registration complied for client: " + _ip + ", username: "******"REG|TRUE");
current.Send(data);
current.BeginReceive(BUFFER, 0, config.GetBuffer(), SocketFlags.None, ReceiveCallback, current);
}
else if (int_return == 1)
{
MW.Dispatcher.Invoke(() => { MW.lbx_OperationsList.Items.Add("Duplicated login: "******", client: " + _ip); });
byte[] data = Encoding.ASCII.GetBytes("REG|FALSE");
current.Send(data);
current.BeginReceive(BUFFER, 0, config.GetBuffer(), SocketFlags.None, ReceiveCallback, current);
}
else
{
byte[] data = Encoding.ASCII.GetBytes("REG|FALSE");
current.Send(data);
current.BeginReceive(BUFFER, 0, config.GetBuffer(), SocketFlags.None, ReceiveCallback, current);
}
}
else if (roger[0].ToUpper() == "LOG" && roger.Length == 3)
{
_login = roger[1];
_password = roger[2];
_ip = current.RemoteEndPoint.ToString();
Task t = new Task(() => { MW.Dispatcher.Invoke(() => { bool_return = DatabaseOrder.LogIn(database_connection, _login, _password); }); });
MW.tasklist.Add(SingletonSecured.Instance.AddTask(t));
t.Start();
t.Wait();
if (bool_return)
{
MW.Dispatcher.Invoke(() => { MW.lbx_OperationsList.Items.Add("Pomyślnie zalogowano się na użytkownika: " + _login); });
byte[] data = Encoding.ASCII.GetBytes("LOG|TRUE");
current.Send(data);
Monitor.Enter(permits_locker);
permits.Add(_login + "|" + current.RemoteEndPoint.ToString());
Monitor.Exit(permits_locker);
current.BeginReceive(BUFFER, 0, config.GetBuffer(), SocketFlags.None, ReceiveCallbackLoged, current);
}
else
{
MW.Dispatcher.Invoke(() => { MW.lbx_OperationsList.Items.Add("Błędne dane uwierzytelniające z adresu: " + _ip); });
byte[] data = Encoding.ASCII.GetBytes("LOG|FALSE");
current.Send(data);
current.BeginReceive(BUFFER, 0, config.GetBuffer(), SocketFlags.None, ReceiveCallback, current);
}
}
else
{
current.BeginReceive(BUFFER, 0, config.GetBuffer(), SocketFlags.None, ReceiveCallback, current);
}
}
}
