private async Task <WebSocket> CreateWebSocketWithFactoryAsync(TimeoutHelper timeoutHelper)
{
Contract.Assert(_connectionFactory != null, "Invalid call: CreateWebSocketWithFactory.");
if (TD.WebSocketCreateClientWebSocketWithFactoryIsEnabled())
{
TD.WebSocketCreateClientWebSocketWithFactory(EventTraceActivity, _connectionFactory.GetType().FullName);
}
// Create the client WebSocket with the factory.
WebSocket ws;
try
{
//(Uri address, WebHeaderCollection headers, ICredentials credentials, WebSocketTransportSettings settings, TimeoutHelper timeoutHelper);
var headers = new WebHeaderCollection();
headers[WebSocketTransportSettings.SoapContentTypeHeader] = _channelFactory.WebSocketSoapContentType;
if (_channelFactory.MessageEncoderFactory is BinaryMessageEncoderFactory)
{
headers[WebSocketTransportSettings.BinaryEncoderTransferModeHeader] = _channelFactory.TransferMode.ToString();
}
var credentials = _channelFactory.GetCredentials();
ws = await _connectionFactory.CreateWebSocketAsync(Via, headers, credentials, WebSocketSettings.Clone(), timeoutHelper);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Format(SR.ClientWebSocketFactory_CreateWebSocketFailed, _connectionFactory.GetType().Name), e));
}
// The returned WebSocket should be valid (non-null), in an opened state and with the same SubProtocol that we requested.
if (ws == null)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Format(SR.ClientWebSocketFactory_InvalidWebSocket, _connectionFactory.GetType().Name)));
}
if (ws.State != WebSocketState.Open)
{
ws.Dispose();
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Format(SR.ClientWebSocketFactory_InvalidWebSocket, _connectionFactory.GetType().Name)));
}
string requested = WebSocketSettings.SubProtocol;
string obtained = ws.SubProtocol;
if (!(requested == null ? string.IsNullOrWhiteSpace(obtained) : requested.Equals(obtained, StringComparison.OrdinalIgnoreCase)))
{
ws.Dispose();
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Format(SR.ClientWebSocketFactory_InvalidSubProtocol, _connectionFactory.GetType().Name, obtained, requested)));
}
return(ws);
}
private async Task <WebSocket> CreateWebSocketWithFactoryAsync(X509Certificate2 certificate, TimeoutHelper timeoutHelper)
{
Contract.Assert(_connectionFactory != null, "Invalid call: CreateWebSocketWithFactory.");
if (WcfEventSource.Instance.WebSocketCreateClientWebSocketWithFactoryIsEnabled())
{
WcfEventSource.Instance.WebSocketCreateClientWebSocketWithFactory(EventTraceActivity, _connectionFactory.GetType().FullName);
}
// Create the client WebSocket with the factory.
WebSocket ws;
try
{
if (certificate != null)
{
throw ExceptionHelper.PlatformNotSupported("client certificates not supported yet");
}
var headers = new WebHeaderCollection();
headers[WebSocketTransportSettings.SoapContentTypeHeader] = _channelFactory.WebSocketSoapContentType;
if (_channelFactory.MessageEncoderFactory is BinaryMessageEncoderFactory)
{
headers[WebSocketTransportSettings.BinaryEncoderTransferModeHeader] = _channelFactory.TransferMode.ToString();
}
if (HttpChannelFactory <IDuplexSessionChannel> .MapIdentity(RemoteAddress, _channelFactory.AuthenticationScheme))
{
headers[HttpRequestHeader.Host] = HttpTransportSecurityHelpers.GeIdentityHostHeader(RemoteAddress);
}
var credentials = _channelFactory.GetCredentials();
ws = await _connectionFactory.CreateWebSocketAsync(Via, headers, credentials, WebSocketSettings.Clone(), timeoutHelper);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Format(SR.ClientWebSocketFactory_CreateWebSocketFailed, _connectionFactory.GetType().Name), e));
}
// The returned WebSocket should be valid (non-null), in an opened state and with the same SubProtocol that we requested.
if (ws == null)
{
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Format(SR.ClientWebSocketFactory_InvalidWebSocket, _connectionFactory.GetType().Name)));
}
if (ws.State != WebSocketState.Open)
{
ws.Dispose();
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Format(SR.ClientWebSocketFactory_InvalidWebSocket, _connectionFactory.GetType().Name)));
}
string requested = WebSocketSettings.SubProtocol;
string obtained = ws.SubProtocol;
if (!(requested == null ? string.IsNullOrWhiteSpace(obtained) : requested.Equals(obtained, StringComparison.OrdinalIgnoreCase)))
{
ws.Dispose();
throw FxTrace.Exception.AsError(new InvalidOperationException(SR.Format(SR.ClientWebSocketFactory_InvalidSubProtocol, _connectionFactory.GetType().Name, obtained, requested)));
}
return(ws);
}
