private async Task <WebSocketNegotiationResult> NegotiateWebSocket(Socket client)
{
var result = new WebSocketNegotiationResult();
try
{
var timeoutTask = Task.Delay(_options.NegotiationTimeout);
ConfigureSocket(client);
Stream stream = new NetworkStream(client, FileAccess.ReadWrite, true);
foreach (var conExt in ConnectionExtensions)
{
var extTask = conExt.ExtendConnectionAsync(stream);
await Task.WhenAny(timeoutTask, extTask).ConfigureAwait(false);
if (timeoutTask.IsCompleted)
{
throw new WebSocketException("Negotiation timeout (Extension: " + conExt.GetType().Name + ")");
}
stream = await extTask;
}
var handshakeTask = _handShaker.HandshakeAsync(stream);
await Task.WhenAny(timeoutTask, handshakeTask).ConfigureAwait(false);
if (timeoutTask.IsCompleted)
{
throw new WebSocketException("Negotiation timeout");
}
var handshake = await handshakeTask;
if (handshake.IsValid)
{
result.Result = handshake.Factory.CreateWebSocket(stream, _options, (IPEndPoint)client.LocalEndPoint, (IPEndPoint)client.RemoteEndPoint, handshake.Request, handshake.Response, handshake.NegotiatedMessageExtensions);
}
else
{
result.Error = handshake.Error;
}
}
catch (Exception ex)
{
FinishSocket(client);
result.Error = ExceptionDispatchInfo.Capture(ex);
result.Result = null;
}
return(result);
}
private async Task<WebSocketNegotiationResult> NegotiateWebSocket(Socket client)
{
var result = new WebSocketNegotiationResult();
try
{
var timeoutTask = Task.Delay(_options.NegotiationTimeout);
ConfigureSocket(client);
Stream stream = new NetworkStream(client, FileAccess.ReadWrite, true);
foreach (var conExt in ConnectionExtensions)
{
var extTask = conExt.ExtendConnectionAsync(stream);
await Task.WhenAny(timeoutTask, extTask).ConfigureAwait(false);
if (timeoutTask.IsCompleted)
throw new WebSocketException("Negotiation timeout (Extension: "+conExt.GetType().Name+")");
stream = await extTask;
}
var handshakeTask = _handShaker.HandshakeAsync(stream);
await Task.WhenAny(timeoutTask, handshakeTask).ConfigureAwait(false);
if (timeoutTask.IsCompleted)
throw new WebSocketException("Negotiation timeout");
var handshake = await handshakeTask;
if (handshake.IsValid)
result.Result = handshake.Factory.CreateWebSocket(stream, _options, (IPEndPoint)client.LocalEndPoint, (IPEndPoint)client.RemoteEndPoint, handshake.Request, handshake.Response, handshake.NegotiatedMessageExtensions);
else
result.Error = handshake.Error;
}
catch (Exception ex)
{
FinishSocket(client);
result.Error = ExceptionDispatchInfo.Capture(ex);
result.Result = null;
}
return result;
}
