internal async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken, bool isFirstRequest)
{
sentRequest = true;
CFHTTPStream stream;
using (var message = CreateWebRequestAsync(request))
{
if (request.Content != null)
{
var data = await request.Content.ReadAsByteArrayAsync().ConfigureAwait(false);
message.SetBody(data);
}
stream = CFHTTPStream.CreateForHTTPRequest(message);
}
if (useSystemProxy)
{
var proxies = CF.CFNetwork.GetSystemProxySettings();
if (proxies.HTTPEnable)
{
stream.SetProxy(proxies);
}
}
if (!isFirstRequest && allowAutoRedirect)
{
stream.ShouldAutoredirect = allowAutoRedirect;
}
stream.HasBytesAvailableEvent += HandleHasBytesAvailableEvent;
stream.ErrorEvent += HandleErrorEvent;
stream.ClosedEvent += HandleClosedEvent;
var response = new TaskCompletionSource <HttpResponseMessage> ();
if (cancellationToken.IsCancellationRequested)
{
response.SetCanceled();
return(await response.Task);
}
var bucket = new StreamBucket()
{
Request = request,
Response = response,
};
streamBuckets.Add(stream.Handle, bucket);
//
// Always schedule stream events handling on main-loop. Due to ConfigureAwait (false) we may end up
// on any thread-pool thread which may not have run-loop running
//
stream.EnableEvents(CF.CFRunLoop.Main, CF.CFRunLoop.ModeCommon);
stream.Open();
bucket.CancellationTokenRegistration = cancellationToken.Register(() => {
StreamBucket bucket2;
if (!streamBuckets.TryGetValue(stream.Handle, out bucket2))
{
return;
}
bucket2.Response.TrySetCanceled();
CloseStream(stream);
});
if (isFirstRequest)
{
var initialRequest = await response.Task;
var status = initialRequest.StatusCode;
if (IsRedirect(status) && allowAutoRedirect)
{
bucket.StreamCanBeDisposed = true;
// we do not care about the first stream cbs
stream.HasBytesAvailableEvent -= HandleHasBytesAvailableEvent;
stream.ErrorEvent -= HandleErrorEvent;
stream.ClosedEvent -= HandleClosedEvent;
// remove headers in a redirect for Authentication.
request.Headers.Authorization = null;
return(await SendAsync(request, cancellationToken, false).ConfigureAwait(false));
}
return(initialRequest);
}
return(await response.Task);
}
protected internal override async Task <HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
{
sentRequest = true;
CFHTTPStream stream;
using (var message = CreateWebRequestAsync(request))
{
if (request.Content != null)
{
var data = await request.Content.ReadAsByteArrayAsync().ConfigureAwait(false);
message.SetBody(data);
}
stream = CFHTTPStream.CreateForHTTPRequest(message);
}
if (useSystemProxy)
{
var proxies = CF.CFNetwork.GetSystemProxySettings();
if (proxies.HTTPEnable)
{
stream.SetProxy(proxies);
}
}
stream.ShouldAutoredirect = allowAutoRedirect;
stream.HasBytesAvailableEvent += HandleHasBytesAvailableEvent;
stream.ErrorEvent += HandleErrorEvent;
stream.ClosedEvent += HandleClosedEvent;
var response = new TaskCompletionSource <HttpResponseMessage> ();
if (cancellationToken.IsCancellationRequested)
{
response.SetCanceled();
return(await response.Task);
}
var bucket = new StreamBucket()
{
Request = request,
Response = response,
};
streamBuckets.Add(stream.Handle, bucket);
//
// Always schedule stream events handling on main-loop. Due to ConfigureAwait (false) we may end up
// on any thread-pool thread which may not have run-loop running
//
#if XAMCORE_2_0
stream.EnableEvents(CF.CFRunLoop.Main, CF.CFRunLoop.ModeCommon);
#else
stream.EnableEvents(CF.CFRunLoop.Main, CF.CFRunLoop.CFRunLoopCommonModes);
#endif
stream.Open();
bucket.CancellationTokenRegistration = cancellationToken.Register(() => {
StreamBucket bucket2;
if (!streamBuckets.TryGetValue(stream.Handle, out bucket2))
{
return;
}
bucket2.Response.TrySetCanceled();
CloseStream(stream);
});
return(await response.Task);
}