private void ConnectFunction(IAsyncResult ar)
{
client.EndConnect(ar);
networkStream = client.GetStream();
TrueMessage trueMessageToServer = new TrueMessage {
Command = Command.StudentConnect, Login = login
};
byte[] dataConnectRequest;
IFormatter formatter = new BinaryFormatter();
using (MemoryStream stream = new MemoryStream())
{
formatter.Serialize(stream, trueMessageToServer);
dataConnectRequest = stream.ToArray();
}
networkStream.BeginWrite(dataConnectRequest, 0, dataConnectRequest.Length, new AsyncCallback(ConnectRequest), null);
}
private void ConnectCallBack(IAsyncResult result)
{
try
{
clientScocket.EndConnect(result);
if (clientScocket.Connected == false)
{
Console.WriteLine("Server does not allow our connection.");
return;
}
else
{
Console.WriteLine("Succesfully connected to the server!");
}
}
catch (Exception)
{
Console.WriteLine("Cannot connect to the server!");;
}
}
static void Main(string[] args)
{
if (args != null && args.Length > 0)
{
_UseKeepalives = args.Any(a => a.Equals("--keepalive"));
}
_Client = new TcpClient();
_Token = _TokenSource.Token;
if (_UseKeepalives)
{
Console.WriteLine("Enabling TCP keepalives");
SetTcpKeepalives();
}
else
{
Console.WriteLine("TCP keepalives disabled");
}
IAsyncResult ar = _Client.BeginConnect("127.0.0.1", 9000, null, null);
WaitHandle wh = ar.AsyncWaitHandle;
if (!ar.AsyncWaitHandle.WaitOne(TimeSpan.FromSeconds(5), false))
{
_Client.Close();
throw new TimeoutException();
}
_Client.EndConnect(ar);
_NetworkStream = _Client.GetStream();
Task.Run(() => DataReceiver(), _Token);
Console.WriteLine("Connected to tcp://127.0.0.1:9000, ENTER to exit");
Console.ReadLine();
_TokenSource.Cancel();
}
void ConnectThread(object _maxRetryCount)
{
int maxRetryCount = _maxRetryCount as int? ?? 0;
int waitTime = 500;
netClient = new TcpClient();
for (int i = 0; i <= maxRetryCount; ++i, waitTime *= 2)
{
try
{
netClient = new TcpClient();
var asyncResult = netClient.BeginConnect(hostname, port, null, null);
try
{
// Stop what we're doing if the connection is cancelled from the main thread
if (EventWaitHandle.WaitAny(new WaitHandle[] { connectDone, asyncResult.AsyncWaitHandle }) == 0)
{
netClient.Close();
netClient = null;
return;
}
netClient.EndConnect(asyncResult);
}
finally
{
asyncResult.AsyncWaitHandle.Close();
}
break;
}
catch (SocketException ex)
{
if (i == maxRetryCount)
{
NotifyConnectionResult(false, ex.Message);
return;
}
else
{
Thread.Sleep(waitTime);
}
}
}
// If the main thread cancels the connection, this will be set to true
bool itsOver = false;
client.Connect(netClient.GetStream());
client.LogIn(username, password, (sender, e) =>
{
if (itsOver)
{
return;
}
NotifyConnectionResult(e.Success, e.ResultMessage);
connectDone.Set();
});
connectDone.WaitOne();
itsOver = true;
}
