private Task<bool> DoHandshake(Rfc6455Handshake handshake)
{
return new Task<bool>(() =>
{
Socket.Send(Encoding.UTF8.GetBytes(handshake.ToString()), () =>
{
StartReceiving();
}
, exception =>
{
});
return SpinWait.SpinUntil(() => IsHandshakeDone, ConnectionTimeout);
});
}
private Task<bool> DoSynchronHandshake(Rfc6455Handshake handshake)
{
var waiter = DoHandshake(handshake);
waiter.Start();
return waiter;
}
public virtual void Open()
{
if (this.IsConnected) return;
var connectionstring = GetConnectionstring();
var handshake = new Rfc6455Handshake(connectionstring, _origin, this);
SetRemoteEndpoint();
ConnectSocket();
var r = DoSynchronHandshake(handshake).Result;
if (r)
{
IsHandshakeDone = true;
this.Connected();
}
else
throw new Exception("Could not connect to server");
}
private void DoHandshake(Rfc6455Handshake handshake)
{
var buffer = new byte[1024];
Socket.Send(Encoding.UTF8.GetBytes(handshake.ToString()), () => Socket.Receive(buffer, r =>
{
//check if only a partial handshake received (noticed with/ IIS8 hosts)
if (r < 2)
{
//read the rest of the handshake
ReadHandshakeContinue(buffer, r);
}
IsHandshakeDone = true;
Receive();
if (!this.IsPrimitive)
{
BindUnboundBindings();
}
if (this.OnSocketOpen != null)
this.OnSocketOpen.Invoke(this, null);
}, err => FireOnClose()),
err => FireOnClose());
}
public void Open()
{
if (this.IsConnected) return;
var connectionstring = GetConnectionstring();
var handshake = new Rfc6455Handshake(connectionstring, this._origin);
SetRemoteEndpoint();
ConnectSocket();
DoHandshake(handshake);
}
private Task<bool> DoHandshake(Rfc6455Handshake handshake)
{
return new Task<bool>(() =>
{
var cts = new CancellationTokenSource();
var token = cts.Token;
var working = true;
var buffer = new byte[1024];
Socket.Send(Encoding.UTF8.GetBytes(handshake.ToString()), () => Socket.Receive(buffer, r =>
{
Receive();
IsHandshakeDone = true;
foreach (var ctrl in this.Controllers.GetAll())
{
ctrl.BindUnboundSubscriptions();
}
working = false;
}, err => FireOnDisconnected()),
err => FireOnDisconnected());
while (working)
{
if (token.IsCancellationRequested)
return false;
Thread.Sleep(1);
}
return true;
});
}
