public void Compress(string targetDirectory)
{
var config = JsonConfiguration.Configuration;
var logger = Logger.Global;
Parallel.ForEach(Files, new ParallelOptions()
{
MaxDegreeOfParallelism = config.MaxThreads != 0 ? config.MaxThreads : Environment.ProcessorCount
},
f => {
var relPath = BaseDirectory.RelativePath(f.Path);
var targetFileName = Path.Combine(targetDirectory, relPath + ".bz2");
Directory.CreateDirectory(Path.GetDirectoryName(targetFileName));
var fi = new FileInfo(f.Path);
if (fi.Length <= config.CompressionOptions.MinimumSize)
{
logger.Write($"Moving file {relPath} because the size is below the MinimumSize.");
File.Move(f.Path, targetFileName);
return;
}
using (var sourceFile = new FileStream(f.Path, FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (var targetFile = new FileStream(targetFileName, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None))
{
try
{
logger.Write($"Compressing file {relPath}");
BZip2.Compress(sourceFile, targetFile, true, config.CompressionOptions.Level);
}
catch (Exception ex)
{
logger.Write(ex, $"Could not compress {relPath}");
}
}
}
});
}