public async Task <WorkshopUploadResult> UploadAsync(byte[] data, string group, string name,
IProgress <AsyncProgressEntry> progress = null, CancellationToken cancellation = default)
{
for (var i = 0; i < 3; ++i)
{
progress?.Report(AsyncProgressEntry.FromStringIndetermitate(i == 0
? "Starting upload…"
: $"Trying again, {(i + 1).ToOrdinal("attempt").ToSentenceMember()} attempt"));
try {
return(await TryToUploadAsync());
} catch (HttpRequestException e) {
Logging.Warning(e);
cancellation.ThrowIfCancellationRequested();
progress?.Report(AsyncProgressEntry.FromStringIndetermitate("Upload is failed, waiting a bit before the next attempt…"));
await Task.Delay(TimeSpan.FromSeconds(i + 1d));
cancellation.ThrowIfCancellationRequested();
} catch (WebException e) {
Logging.Warning(e);
cancellation.ThrowIfCancellationRequested();
progress?.Report(AsyncProgressEntry.FromStringIndetermitate("Upload is failed, waiting a bit before the next attempt…"));
await Task.Delay(TimeSpan.FromSeconds(i + 1d));
cancellation.ThrowIfCancellationRequested();
}
}
cancellation.ThrowIfCancellationRequested();
progress?.Report(AsyncProgressEntry.FromStringIndetermitate($"Trying again, last attempt"));
return(await TryToUploadAsync());
async Task <WorkshopUploadResult> TryToUploadAsync()
{
var request = new HttpRequestMessage(HttpMethod.Post, _endpoint);
request.Headers.TryAddWithoutValidation("X-Data-File-Group", group);
request.Headers.TryAddWithoutValidation("X-Data-File-Name", name);
request.Headers.TryAddWithoutValidation("X-Data-Checksum", _checksum);
var stopwatch = new AsyncProgressBytesStopwatch();
request.Content = progress == null
? (HttpContent) new ByteArrayContent(data)
: new ProgressableByteArrayContent(data, 8192,
new Progress <long>(x => progress.Report(AsyncProgressEntry.CreateUploading(x, data.Length, stopwatch))));
using (var response = await HttpClientHolder.Get().SendAsync(request, cancellation).ConfigureAwait(false)) {
if (response.StatusCode != HttpStatusCode.OK)
{
throw new WebException($"Failed to upload: {response.StatusCode}, response: {await LoadContent()}");
}
var result = JObject.Parse(await LoadContent());
return(new WorkshopUploadResult {
Size = data.Length,
Tag = result["key"].ToString()
});
ConfiguredTaskAwaitable <string> LoadContent()
{
return(response.Content.ReadAsStringAsync().WithCancellation(cancellation).ConfigureAwait(false));
}
}
}
}
