private void ExtractFileFromStream(
LimitedStream sourceStream,
Stream targetStream,
long fileSize,
ICryptoTransform decryptor,
DecompressorCreator createDecompressor,
Action <double> onProgress,
CancellationToken cancellationToken)
{
using (var cryptoStream = new CryptoStream(sourceStream, decryptor, CryptoStreamMode.Read))
{
using (var wrapperStream = new GZipReadWrapperStream(cryptoStream))
{
using (Stream decompressionStream = createDecompressor(wrapperStream))
{
try
{
const int bufferSize = 128 * 1024;
var buffer = new byte[bufferSize];
int count;
while ((count = decompressionStream.Read(buffer, 0, buffer.Length)) > 0)
{
cancellationToken.ThrowIfCancellationRequested();
targetStream.Write(buffer, 0, count);
long bytesProcessed = sourceStream.Limit - sourceStream.BytesLeft;
onProgress(bytesProcessed / (double)fileSize);
}
}
catch (OperationCanceledException)
{
throw;
}
catch (Exception e)
{
DebugLogger.LogException(e);
PatcherLogManager logManager = PatcherLogManager.Instance;
PatcherLogSentryRegistry sentryRegistry = logManager.SentryRegistry;
RavenClient ravenClient = sentryRegistry.RavenClient;
var sentryEvent = new SentryEvent(e);
PatcherLogSentryRegistry.AddDataToSentryEvent(sentryEvent, logManager.Storage.Guid.ToString());
ravenClient.Capture(sentryEvent);
throw;
}
}
}
}
}
public void Wrapped_Read_Succeeds_On_Mocked_Stream()
{
string decompressed;
using (var targetStream = new MemoryStream())
{
using (var mockStream = new MockStream(compressedData, 5))
{
using (var wrapperStream = new GZipReadWrapperStream(mockStream))
{
using (var gzipStream = new GZipStream(wrapperStream, CompressionMode.Decompress))
{
Streams.Copy(gzipStream, targetStream);
}
}
}
decompressed = Encoding.ASCII.GetString(targetStream.ToArray());
}
Assert.That(decompressed == RawData);
}
