/// <exception cref="System.IO.IOException"/>
public static InputStream WrapInputStreamForCompression(Configuration conf, string
codec, InputStream @in)
{
if (codec.IsEmpty())
{
return(@in);
}
FSImageCompression compression = FSImageCompression.CreateCompression(conf, codec
);
CompressionCodec imageCodec = compression.GetImageCodec();
return(imageCodec.CreateInputStream(@in));
}
/// <summary>Save the fsimage to a temp file</summary>
/// <exception cref="System.IO.IOException"/>
private FilePath SaveFSImageToTempFile()
{
SaveNamespaceContext context = new SaveNamespaceContext(fsn, txid, new Canceler()
);
FSImageFormatProtobuf.Saver saver = new FSImageFormatProtobuf.Saver(context);
FSImageCompression compression = FSImageCompression.CreateCompression(conf);
FilePath imageFile = GetImageFile(testDir, txid);
fsn.ReadLock();
try
{
saver.Save(imageFile, compression);
}
finally
{
fsn.ReadUnlock();
}
return(imageFile);
}
