static private int StartProcessing(CompressionMode mode, string sourceFilePath, string targetFilePath)
{
NumberedQueue sourceBuffer = new NumberedQueue(_numberOfGzipThreads * 3);
Reader reader = new Reader(sourceFilePath, sourceBuffer);
Thread readingThread;
switch (mode)
{
case CompressionMode.Compress:
readingThread = new Thread(reader.ReadUncompressedFile);
break;
case CompressionMode.Decompress:
readingThread = new Thread(reader.ReadCompressedFile);
break;
default:
throw new ArgumentOutOfRangeException("Parameter \"mode\" passed to " + System.Reflection.MethodInfo.GetCurrentMethod().Name + " method is out of range.");
}
readingThread.Start();
NumberedQueue targetBuffer = new NumberedQueue(_numberOfGzipThreads * 2);
Writer writer = new Writer(targetFilePath, targetBuffer);
Thread writingThread = new Thread(writer.WriteResultToFile);
writingThread.Start();
GzipOperator[] gzipWorkers = new GzipOperator[_numberOfGzipThreads];
Thread[] gzipThreads = new Thread[_numberOfGzipThreads];
for (int i = 0; i < _numberOfGzipThreads; i++)
{
gzipWorkers[i] = new GzipOperator(sourceBuffer, targetBuffer);
switch (mode)
{
case CompressionMode.Compress:
gzipThreads[i] = new Thread(gzipWorkers[i].Compress);
break;
case CompressionMode.Decompress:
gzipThreads[i] = new Thread(gzipWorkers[i].Decompress);
break;
default:
throw new ArgumentOutOfRangeException("Parameter \"mode\" passed to " + System.Reflection.MethodInfo.GetCurrentMethod().Name + " method is out of range.");
}
gzipThreads[i].Start();
}
writingThread.Join();
Console.WriteLine("Process completed successfully. Press any key to exit.");
Console.ReadKey(true);
return(0);
}
internal GzipOperator(NumberedQueue sourceBuffer, NumberedQueue targetBuffer)
{
_sourceBuffer = sourceBuffer;
_targetBuffer = targetBuffer;
}
private int _blockCount = 0; // Это поле используется для визуализации в консоли (для красоты).
internal Writer(string filePath, NumberedQueue buffer) : base(buffer)
{
fs = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.None);
}
internal Reader(string filePath, NumberedQueue buffer) : base(buffer)
{
fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
_blockCount = 0;
}
internal FileUser(NumberedQueue buffer)
{
this.buffer = buffer;
}
