private async Task ReadFile(string url, IProgress <int> progressReporter)
{
try
{
using (var fs = FileWrapper.OpenRead(url))
{
var bytesRead = 0;
do
{
await PauseTokenSource.Token.WaitWhilePausedAsync(CancellationTokenSource.Token);
var segment = await Buffer.GetEmptySegmentAsync(CancellationTokenSource.Token);
bytesRead = await fs.ReadAsync(segment.Array, segment.Offset, segment.Count,
CancellationTokenSource.Token);
progressReporter.Report(bytesRead);
await Buffer.FillSegmentAsync(segment, bytesRead, CancellationTokenSource.Token);
} while (bytesRead > 0);
}
}
finally
{
Buffer.CompleteAdding();
}
}
