public Settings(string sourceFilename, string destinationFilename, CompressionMode mode, TechnologyMode technology)
{
SourceFilename = sourceFilename;
DestinationFilename = destinationFilename;
Mode = mode;
Technology = technology;
}
private static ITaskQueue <DataPortion> GetCompressingTaskQueue(TechnologyMode technology, int threadCount)
{
switch (technology)
{
case TechnologyMode.BlockingCollection:
return(new TaskQueue <DataPortion>(threadCount));
case TechnologyMode.Monitor:
return(new TaskQueueMonitor <DataPortion>(threadCount));
case TechnologyMode.Semaphore:
return(new TaskQueueSemaphore <DataPortion>(threadCount));
default:
throw new ArgumentOutOfRangeException(nameof(technology), technology, null);
}
}
private static void Decompress(string compressedFilename, string decompressedFilename,
int threadCount, int blockSizeInMb, TechnologyMode technology)
{
using (var compressingTaskQueue = GetCompressingTaskQueue(technology, threadCount))
using (var writeTaskQueue = GetWriteTaskQueue(technology, threadCount))
{
var blockSize = blockSizeInMb / 1024 - 10;
var coordinator = new Coordinator(threadCount, compressingTaskQueue, writeTaskQueue)
{
BlockSize = blockSize
};
var settingsProvider = new StubSettingsProvider(
new Settings(compressedFilename, decompressedFilename, CompressionMode.Decompress));
coordinator.Run(settingsProvider.GetSettings());
}
}
private void InternalTest(int threadCount, int blockSizeInMb, int sourceFileSizeInMb, TechnologyMode technology)
{
var uniqueFilePart = $"{threadCount}${blockSizeInMb}${sourceFileSizeInMb}";
var sourceFilename = GetFullFilename($"source{uniqueFilePart}.file");
var compressedFilename = GetFullFilename($"compressed{uniqueFilePart}.gz");
var decompressedFilename = GetFullFilename($"decompressed{uniqueFilePart}.file");
GenerateSourceFile(sourceFilename, sourceFileSizeInMb);
try
{
var watch = Stopwatch.StartNew();
// Архивируем
Compress(sourceFilename, compressedFilename, threadCount, blockSizeInMb, technology);
watch.Stop();
_testOutputHelper.WriteLine($"Архив: {watch.ElapsedMilliseconds} ms");
watch.Restart();
// Разархивируем
Decompress(compressedFilename, decompressedFilename, threadCount, blockSizeInMb, technology);
watch.Stop();
_testOutputHelper.WriteLine($"Разар: {watch.ElapsedMilliseconds} ms");
Validate(sourceFilename, decompressedFilename);
}
finally
{
RemoveTempFiles(new[] { sourceFilename, compressedFilename, decompressedFilename });
}
}
