async Task <Stream> IHttpUpgradeFeature.UpgradeAsync()
{
if (!((IHttpUpgradeFeature)this).IsUpgradableRequest)
{
throw new InvalidOperationException(CoreStrings.CannotUpgradeNonUpgradableRequest);
}
if (IsUpgraded)
{
throw new InvalidOperationException(CoreStrings.UpgradeCannotBeCalledMultipleTimes);
}
if (!ServiceContext.ConnectionManager.UpgradedConnectionCount.TryLockOne())
{
throw new InvalidOperationException(CoreStrings.UpgradedConnectionLimitReached);
}
IsUpgraded = true;
ConnectionFeatures.Get <IDecrementConcurrentConnectionCountFeature>()?.ReleaseConnection();
StatusCode = StatusCodes.Status101SwitchingProtocols;
ReasonPhrase = "Switching Protocols";
ResponseHeaders["Connection"] = "Upgrade";
await FlushAsync(default(CancellationToken));
return(_streams.Upgrade());
}
TFeature?IFeatureCollection.Get <TFeature>() where TFeature : default
{
// Using Unsafe.As for the cast due to https://github.com/dotnet/runtime/issues/49614
// The type of TFeature is confirmed by the typeof() check and the As cast only accepts
// that type; however the Jit does not eliminate a regular cast in a shared generic.
TFeature?feature = default;
if (typeof(TFeature) == typeof(IHttpRequestFeature))
{
feature = Unsafe.As <IHttpRequestFeature?, TFeature?>(ref _currentIHttpRequestFeature);
}
else if (typeof(TFeature) == typeof(IHttpResponseFeature))
{
feature = Unsafe.As <IHttpResponseFeature?, TFeature?>(ref _currentIHttpResponseFeature);
}
else if (typeof(TFeature) == typeof(IHttpResponseBodyFeature))
{
feature = Unsafe.As <IHttpResponseBodyFeature?, TFeature?>(ref _currentIHttpResponseBodyFeature);
}
else if (typeof(TFeature) == typeof(IRouteValuesFeature))
{
feature = Unsafe.As <IRouteValuesFeature?, TFeature?>(ref _currentIRouteValuesFeature);
}
else if (typeof(TFeature) == typeof(IEndpointFeature))
{
feature = Unsafe.As <IEndpointFeature?, TFeature?>(ref _currentIEndpointFeature);
}
else if (typeof(TFeature) == typeof(IServiceProvidersFeature))
{
feature = Unsafe.As <IServiceProvidersFeature?, TFeature?>(ref _currentIServiceProvidersFeature);
}
else if (typeof(TFeature) == typeof(IItemsFeature))
{
feature = Unsafe.As <IItemsFeature?, TFeature?>(ref _currentIItemsFeature);
}
else if (typeof(TFeature) == typeof(IQueryFeature))
{
feature = Unsafe.As <IQueryFeature?, TFeature?>(ref _currentIQueryFeature);
}
else if (typeof(TFeature) == typeof(IRequestBodyPipeFeature))
{
feature = Unsafe.As <IRequestBodyPipeFeature?, TFeature?>(ref _currentIRequestBodyPipeFeature);
}
else if (typeof(TFeature) == typeof(IFormFeature))
{
feature = Unsafe.As <IFormFeature?, TFeature?>(ref _currentIFormFeature);
}
else if (typeof(TFeature) == typeof(IHttpAuthenticationFeature))
{
feature = Unsafe.As <IHttpAuthenticationFeature?, TFeature?>(ref _currentIHttpAuthenticationFeature);
}
else if (typeof(TFeature) == typeof(IHttpRequestIdentifierFeature))
{
feature = Unsafe.As <IHttpRequestIdentifierFeature?, TFeature?>(ref _currentIHttpRequestIdentifierFeature);
}
else if (typeof(TFeature) == typeof(IHttpConnectionFeature))
{
feature = Unsafe.As <IHttpConnectionFeature?, TFeature?>(ref _currentIHttpConnectionFeature);
}
else if (typeof(TFeature) == typeof(ISessionFeature))
{
feature = Unsafe.As <ISessionFeature?, TFeature?>(ref _currentISessionFeature);
}
else if (typeof(TFeature) == typeof(IResponseCookiesFeature))
{
feature = Unsafe.As <IResponseCookiesFeature?, TFeature?>(ref _currentIResponseCookiesFeature);
}
else if (typeof(TFeature) == typeof(IHttpRequestTrailersFeature))
{
feature = Unsafe.As <IHttpRequestTrailersFeature?, TFeature?>(ref _currentIHttpRequestTrailersFeature);
}
else if (typeof(TFeature) == typeof(IHttpResponseTrailersFeature))
{
feature = Unsafe.As <IHttpResponseTrailersFeature?, TFeature?>(ref _currentIHttpResponseTrailersFeature);
}
else if (typeof(TFeature) == typeof(ITlsConnectionFeature))
{
feature = Unsafe.As <ITlsConnectionFeature?, TFeature?>(ref _currentITlsConnectionFeature);
}
else if (typeof(TFeature) == typeof(IHttpUpgradeFeature))
{
feature = Unsafe.As <IHttpUpgradeFeature?, TFeature?>(ref _currentIHttpUpgradeFeature);
}
else if (typeof(TFeature) == typeof(IHttpWebSocketFeature))
{
feature = Unsafe.As <IHttpWebSocketFeature?, TFeature?>(ref _currentIHttpWebSocketFeature);
}
else if (typeof(TFeature) == typeof(IHttp2StreamIdFeature))
{
feature = Unsafe.As <IHttp2StreamIdFeature?, TFeature?>(ref _currentIHttp2StreamIdFeature);
}
else if (typeof(TFeature) == typeof(IHttpRequestLifetimeFeature))
{
feature = Unsafe.As <IHttpRequestLifetimeFeature?, TFeature?>(ref _currentIHttpRequestLifetimeFeature);
}
else if (typeof(TFeature) == typeof(IHttpMaxRequestBodySizeFeature))
{
feature = Unsafe.As <IHttpMaxRequestBodySizeFeature?, TFeature?>(ref _currentIHttpMaxRequestBodySizeFeature);
}
else if (typeof(TFeature) == typeof(IHttpMinRequestBodyDataRateFeature))
{
feature = Unsafe.As <IHttpMinRequestBodyDataRateFeature?, TFeature?>(ref _currentIHttpMinRequestBodyDataRateFeature);
}
else if (typeof(TFeature) == typeof(IHttpMinResponseDataRateFeature))
{
feature = Unsafe.As <IHttpMinResponseDataRateFeature?, TFeature?>(ref _currentIHttpMinResponseDataRateFeature);
}
else if (typeof(TFeature) == typeof(IHttpBodyControlFeature))
{
feature = Unsafe.As <IHttpBodyControlFeature?, TFeature?>(ref _currentIHttpBodyControlFeature);
}
else if (typeof(TFeature) == typeof(IHttpRequestBodyDetectionFeature))
{
feature = Unsafe.As <IHttpRequestBodyDetectionFeature?, TFeature?>(ref _currentIHttpRequestBodyDetectionFeature);
}
else if (typeof(TFeature) == typeof(IHttpResetFeature))
{
feature = Unsafe.As <IHttpResetFeature?, TFeature?>(ref _currentIHttpResetFeature);
}
else if (MaybeExtra != null)
{
feature = (TFeature?)(ExtraFeatureGet(typeof(TFeature)));
}
if (feature == null)
{
feature = ConnectionFeatures.Get <TFeature>();
}
return(feature);
}
TFeature IFeatureCollection.Get <TFeature>()
{
TFeature feature = default;
if (typeof(TFeature) == typeof(IHttpRequestFeature))
{
feature = (TFeature)_currentIHttpRequestFeature;
}
else if (typeof(TFeature) == typeof(IHttpResponseFeature))
{
feature = (TFeature)_currentIHttpResponseFeature;
}
else if (typeof(TFeature) == typeof(IHttpRequestIdentifierFeature))
{
feature = (TFeature)_currentIHttpRequestIdentifierFeature;
}
else if (typeof(TFeature) == typeof(IServiceProvidersFeature))
{
feature = (TFeature)_currentIServiceProvidersFeature;
}
else if (typeof(TFeature) == typeof(IHttpRequestLifetimeFeature))
{
feature = (TFeature)_currentIHttpRequestLifetimeFeature;
}
else if (typeof(TFeature) == typeof(IHttpConnectionFeature))
{
feature = (TFeature)_currentIHttpConnectionFeature;
}
else if (typeof(TFeature) == typeof(IHttpAuthenticationFeature))
{
feature = (TFeature)_currentIHttpAuthenticationFeature;
}
else if (typeof(TFeature) == typeof(IQueryFeature))
{
feature = (TFeature)_currentIQueryFeature;
}
else if (typeof(TFeature) == typeof(IFormFeature))
{
feature = (TFeature)_currentIFormFeature;
}
else if (typeof(TFeature) == typeof(IHttpUpgradeFeature))
{
feature = (TFeature)_currentIHttpUpgradeFeature;
}
else if (typeof(TFeature) == typeof(IHttp2StreamIdFeature))
{
feature = (TFeature)_currentIHttp2StreamIdFeature;
}
else if (typeof(TFeature) == typeof(IResponseCookiesFeature))
{
feature = (TFeature)_currentIResponseCookiesFeature;
}
else if (typeof(TFeature) == typeof(IItemsFeature))
{
feature = (TFeature)_currentIItemsFeature;
}
else if (typeof(TFeature) == typeof(ITlsConnectionFeature))
{
feature = (TFeature)_currentITlsConnectionFeature;
}
else if (typeof(TFeature) == typeof(IHttpWebSocketFeature))
{
feature = (TFeature)_currentIHttpWebSocketFeature;
}
else if (typeof(TFeature) == typeof(ISessionFeature))
{
feature = (TFeature)_currentISessionFeature;
}
else if (typeof(TFeature) == typeof(IHttpMaxRequestBodySizeFeature))
{
feature = (TFeature)_currentIHttpMaxRequestBodySizeFeature;
}
else if (typeof(TFeature) == typeof(IHttpMinRequestBodyDataRateFeature))
{
feature = (TFeature)_currentIHttpMinRequestBodyDataRateFeature;
}
else if (typeof(TFeature) == typeof(IHttpMinResponseDataRateFeature))
{
feature = (TFeature)_currentIHttpMinResponseDataRateFeature;
}
else if (typeof(TFeature) == typeof(IHttpBodyControlFeature))
{
feature = (TFeature)_currentIHttpBodyControlFeature;
}
else if (typeof(TFeature) == typeof(IHttpSendFileFeature))
{
feature = (TFeature)_currentIHttpSendFileFeature;
}
else if (MaybeExtra != null)
{
feature = (TFeature)(ExtraFeatureGet(typeof(TFeature)));
}
if (feature == null)
{
feature = ConnectionFeatures.Get <TFeature>();
}
return(feature);
}