public async Task <m3u8_part_ts> DownloadPart(m3u8_part_ts part
, Uri baseAddress
, CancellationToken?cancellationToken = null)
{
if (baseAddress == null)
{
throw (new m3u8_ArgumentException(nameof(baseAddress)));
}
if (part.RelativeUrlName.IsNullOrWhiteSpace())
{
throw (new m3u8_ArgumentException(nameof(part.RelativeUrlName)));
}
//----------------------------------------------------------------------------------------------------------------//
var url = new Uri(baseAddress, part.RelativeUrlName);
var ct = cancellationToken.GetValueOrDefault(CancellationToken.None);
var attemptRequestCountByPart = InitParams.AttemptRequestCount.GetValueOrDefault(1);
for (var attemptRequestCount = attemptRequestCountByPart; 0 < attemptRequestCount; attemptRequestCount--)
{
try
{
using (HttpResponseMessage response = await _HttpClient.GetAsync(url, ct))
using (HttpContent content = response.Content)
{
if (!response.IsSuccessStatusCode)
{
var responseText = content.ReadAsStringAsyncEx(ct);
throw (new m3u8_Exception(response.CreateExceptionMessage(responseText)));
}
var bytes = content.ReadAsByteArrayAsyncEx(ct);
part.SetBytes(bytes);
return(part);
}
}
catch (Exception ex)
{
if ((attemptRequestCount == 1) || ct.IsCancellationRequested)
{
part.SetError(ex);
return(part);
}
}
}
throw (new m3u8_Exception($"No content found while {attemptRequestCountByPart} attempt requests"));
}
internal static RequestStepActionParams CreateSuccess(int totalPartCount, int partOrderNumber, m3u8_part_ts part)
=> new RequestStepActionParams()
{
TotalPartCount = totalPartCount, PartOrderNumber = partOrderNumber, Part = part
};