public async Task Connect()
{
if (connection != null && !connection.IsConnected())
{
connection.Disconnect();
connection = null;
}
if (connection == null)
{
streamManager.Reset();
connection = new Http2Connection(ConnectionSettings, this.streamManager, this.flowControlManager);
await connection.Connect().ConfigureAwait(false);
}
}
protected override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, System.Threading.CancellationToken cancellationToken)
{
if (connection == null)
{
connection = new Http2Connection(request.RequestUri.Host, (uint)request.RequestUri.Port, request.RequestUri.Scheme == Uri.UriSchemeHttps);
}
else
{
// TODO: Check if they tried to use a new host/port
}
await connection.Connect();
var resetComplete = new ManualResetEventSlim(false);
var stream = await connection.CreateStream();
stream.OnFrameReceived += frame => {
if (frame.IsEndStream)
{
resetComplete.Set();
}
};
var headersFrame = new HeadersFrame(stream.StreamIdentifer);
headersFrame.Headers.Add(":method", request.Method.Method.ToUpperInvariant());
headersFrame.Headers.Add(":path", request.RequestUri.PathAndQuery);
headersFrame.Headers.Add(":scheme", request.RequestUri.Scheme);
headersFrame.Headers.Add(":authority", request.RequestUri.Authority);
headersFrame.EndHeaders = true;
headersFrame.EndStream = true;
await connection.SendFrame(headersFrame);
resetComplete.Wait(connection.ConnectionTimeout);
var responseData = new List <byte> ();
var responseHeaders = new NameValueCollection();
foreach (var f in stream.Frames)
{
if (f.Type == FrameType.Headers)
{
responseHeaders = (f as HeadersFrame)?.Headers ?? new NameValueCollection();
}
else if (f.Type == FrameType.Data)
{
responseData.AddRange((f as DataFrame).Data);
//responseData += Encoding.ASCII.GetString ((f as DataFrame).Data);
}
else if (f.Type == FrameType.Continuation)
{
// TODO:
}
}
var httpStatusStr = responseHeaders.GetValues(":status")?.FirstOrDefault();
var httpStatus = HttpStatusCode.InternalServerError;
Enum.TryParse <HttpStatusCode> (httpStatusStr, out httpStatus);
var httpResponseMsg = new HttpResponseMessage(httpStatus);
foreach (var h in responseHeaders.AllKeys)
{
if (!h.StartsWith(":"))
{
httpResponseMsg.Headers.TryAddWithoutValidation(h, responseHeaders [h]);
}
}
httpResponseMsg.Content = new ByteArrayContent(responseData.ToArray());
return(httpResponseMsg);
}