public void Compress(string input, string output, int chunkSize)
{
var chunksPool = new DataChunksPool();
using (var readStream = new FileStream(input, FileMode.Open))
using (var writeStream = new FileStream(output, FileMode.Create))
{
var reader = new FixedSizeReader(readStream, chunkSize, chunksPool.Get);
var writer = new OrderedWriter(writeStream, new CompressedFormatter(), 10, chunksPool.Return);
var worker = new Worker(reader, writer, new DataChunkCompressProcessor(chunksPool.Get), chunksPool.Return);
worker.Process();
}
}
public Worker(
IFileReader fileReader,
OrderedWriter writer,
IDataChunkProcessor processor,
Action <DataChunk> freeChunk)
{
_prefetcher = new Prefetcher(fileReader, 20, 5);
_prefetcher.Ended += PrefetcherOnEnded;
_writer = writer;
_processor = processor;
_freeChunk = freeChunk;
var threadsCount = Environment.ProcessorCount - 2;
_workerThreads = new Thread[threadsCount];
for (int i = 0; i < threadsCount; i++)
{
_workerThreads[i] = new Thread(ProcessInternal)
{
IsBackground = true
};
}
}
