static void Main(string[] args)
{
int capaticy = 50;
AppDomain.CurrentDomain.UnhandledException += ExceptionHandler;
Console.CancelKeyPress += (sender, eventArgs) =>
{
Console.WriteLine();
_isCancelled = true;
if (_backgroundThread != null)
_backgroundThread.Abort();
};
if (ValidateArguments(args))
{
bool compress = string.Equals(args[0], COMPRESS);
string initPath = args[1];
string archPath = args[2];
IArchivator compressor = new CompressEngine(new GZipCompress(), capaticy);
IArchivator decompressor = new DecompressEngine(new GZipDecompress(), capaticy);
_ss = new Thread(() => ScreenSaver()) { IsBackground = true, Name = "ScreenSaver" };
Console.WriteLine("Operation Started");
_ss.Start();
if (string.Equals(args[0], COMPRESS))
{
_backgroundThread = new Thread(() => Compress(initPath, archPath, compressor, ARCHIVE_SIZE)) { IsBackground = true, Name = "MainProgram" };
_backgroundThread.Start();
}
else if (string.Equals(args[0], DECOMPRESS))
{
_backgroundThread = new Thread(() => DeCompress(initPath, archPath, decompressor, ARCHIVE_SIZE)) { IsBackground = true };
_backgroundThread.Start();
}
_mainEvent.WaitOne();
Console.WriteLine();
if (_isCompleted)
Console.WriteLine("0");
else if (_isCancelled)
Console.WriteLine("Cancelled");
else if (_isError)
Console.WriteLine("1");
Console.WriteLine();
Console.WriteLine("Press any key");
Console.ReadLine();
}
}
public void Decompress_Find_Segment()
{
var engine = new DecompressEngine(new GZipDecompress(), 100);
byte[] buffer = new byte[60];
Array.Copy(Helper.GZIP_HEADER_BYTES, 0, buffer, 10, Helper.GZIP_HEADER_BYTES.Length);
Array.Copy(Helper.GZIP_HEADER_BYTES, 0, buffer, 50, Helper.GZIP_HEADER_BYTES.Length);
byte[] segment = null;
Assert.IsTrue(engine.FindSegmentStartAndLastIndex(buffer, ref segment) == true);
Assert.IsTrue(segment.Length == 40);
//LastPeace
byte[] buffer2 = new byte[60];
Array.Copy(Helper.GZIP_HEADER_BYTES, 0, buffer2, 0, Helper.GZIP_HEADER_BYTES.Length);
Assert.IsTrue(engine.FindSegmentStartAndLastIndex(buffer2, ref segment) == false);
Assert.IsTrue(segment.Length == buffer2.Length);
}
private void CompressDeCompress(long bufferSize)
{
byte[] archivedFile;
string hash;
using (MD5 md5Hash = MD5.Create())
{
hash = Helper.GetMd5Hash(md5Hash, file);
}
var engine = new CompressEngine(new GZipCompress(), capacity);
using (MemoryStream original = new MemoryStream(file))
{
using (MemoryStream archive = new MemoryStream())
{
engine.DoAction(original, archive, bufferSize);
archivedFile = archive.ToArray();
}
}
byte[] dearchivedFile = null;
using (MemoryStream archive = new MemoryStream(archivedFile))
{
using (MemoryStream original = new MemoryStream())
{
DecompressEngine engine2 = new DecompressEngine(new GZipDecompress(), capacity);
engine2.DoAction(archive, original, bufferSize);
dearchivedFile = original.ToArray();
}
}
using (MD5 md5Hash = MD5.Create())
{
Assert.IsTrue(Helper.VerifyMd5Hash(md5Hash, dearchivedFile, hash));
}
}
