private async Task WriteFile(string url, IProgress <int> progressReporter)
{
try
{
using (var fs = FileWrapper.OpenWrite(url))
{
while (await Buffer.OutputAvailableAsync(CancellationTokenSource.Token))
{
await PauseTokenSource.Token.WaitWhilePausedAsync(CancellationTokenSource.Token);
var segment = await Buffer.GetFilledSegmentAsync(CancellationTokenSource.Token);
await fs.WriteAsync(segment.Array, segment.Offset, segment.Count, CancellationTokenSource.Token);
progressReporter.Report(segment.Count);
await Buffer.FreeSegmentAsync(segment, CancellationTokenSource.Token);
}
}
}
catch (Exception)
{
DeleteIfExists(url);
throw;
}
}
