HttpProgress | extension methods for HttpClient which adds progress | HTTP library
kandi X-RAY | HttpProgress Summary
kandi X-RAY | HttpProgress Summary
A set of extension methods for HttpClient which adds progress reporting. HttpClient doesn't natively support progress reporting? Yes, it's true. You're expected to make your own HttpContent which overrides SerializeToStreamAsync for PutAsync and PostAsync, and you're expected to extend GetAsync with progress reporting in the stream copy logic. Well guess what? I've done that for you.
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QUESTION
I'm in the process of factoring out OAuth authentication into an IHttpFilter for use with an HttpClient. I'm using the following code for testing, expecting that it would simply forward all requests to the HttpBaseProtocolFilter:
...ANSWER
Answered 2018-May-25 at 11:56The C++/WinRT projection comes with a bit of type duality1: There are implementation types that provide the implementation of a runtime class, as well as projected types that contain the scaffolding required by the Windows Runtime, and act as a proxy to the implementation type.
This distinction becomes important when you author a runtime class that is to be consumed by a Windows Runtime API. The code in question implements a type, but fails to construct the corresponding projected type. The error is in the following lines of code:
QUESTION
using (var httpClient = new HttpClient(filter))
{
using (var httpContent = new HttpStringContent(postBody, UnicodeEncoding.Utf8, content_type))
{
var source = new CancellationTokenSource(150000);
HttpResponseMessage result;
try
{
result = await httpClient.PostAsync(new Uri(url), httpContent).AsTask(source.Token, new Progress(
progress =>
{
Debug.WriteLine("Progress");
}));
}
catch (TaskCanceledException e)
{
return new ServerRequestResponse(RequestResponseType.Timeout);
}
catch (Exception e)
{
return new ServerRequestResponse(RequestResponseType.Failure);
}
var buffer = await result.Content.ReadAsBufferAsync();
var byteArray = buffer.ToArray();
var responseString = Encoding.UTF8.GetString(byteArray, 0, byteArray.Length);
return new ServerRequestResponse(RequestResponseType.Success, responseString);
}
}
...ANSWER
Answered 2018-May-07 at 08:33I need this to be able to detect if the transfer is still going
You could not detect if the transfer is still going and IAsyncOperationWithProgress
interface only provide Progress
event handler. You could detect progress Stage
.
QUESTION
I'm developing an UWP app that calls a web service. For that I use a HttpClient object from Windows.Web.Http namespace and I pass a IHttpFilter object to its constructor. This filter is responsible for the authentication process. I based my solution following this link and the authentication logic is based on this
I don't know what I'm doing wrong but I got this exception: A method was called at an unexpected time. (Exception from HRESULT: 0x8000000E)
The scenario that I'm testing is when the token is invalid despite it is assumed it is valid. In this case the (now > TokenManager.Token.ExpiresOn) condition is false, then an authorization header is added (with an invalid token), then a request is sent, then the http response code and www-authenticate header is inspected and if it is neccessary, a new access token must be requested by means of refresh token in order to do a retry. It is when I reach this line when the exception is thrown (the second time): response = await InnerFilter.SendRequestAsync(request).AsTask(cancellationToken, progress);
I have no idea what I'm doing wrong. I have seen another questions where people got this error and usually it's because they try to get the task's result without waiting for the task's completion but I'm using the await keyword in all asynchronous methods.
...ANSWER
Answered 2017-Nov-03 at 02:27Ok, after struggling with this for a long time, I ended up doing this:
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