public int ThreadPoolCompress(FileInfo fileToCompress, string archiveName)
{
FileManipulator manipulator = new FileManipulator();
List <FileInfo> chunks = manipulator.Split(fileToCompress.Name, Const.CHUNK_SIZE_IN_MGBS, archiveName);
ManualResetEvent[] doneEvents = new ManualResetEvent[chunks.Count];
List <ICompressorMultiThread> compressors = new List <ICompressorMultiThread>();
int i = 0;
//compress each chunk separately using ThreadPool
foreach (var chunk in chunks)
{
doneEvents[i] = new ManualResetEvent(false);
ICompressorMultiThread c = new CompressorMultiThread(doneEvents[i], chunk, archiveName + i.ToString(), true);
compressors.Add(c);
ThreadPool.QueueUserWorkItem(c.ThreadPoolCallback, i);
i += 1;
}
WaitHandle.WaitAll(doneEvents);
List <FileInfo> compressedChunks = new List <FileInfo>();
foreach (var chunk in chunks)
{
compressedChunks.Add(new FileInfo(chunk.Name + ".gz"));
}
//merge results back together
manipulator.Merge(compressedChunks, archiveName);
//bit AND on results of each of the compressors
return(compressors.Select(c => c.Status()).Aggregate((x1, x2) => x1 & x2));
}
public void MergeTest()
{
//Arrange
FileManipulator manipulator = new FileManipulator();
List <FileInfo> list = SplitFiles(manipulator);
//Act
manipulator.Merge(list, decompressedFile);
}
