private void DrawCurrentProgress(object obj)
{
if (totalBlockCount > 0)
{
try {
ConsoleProgressBar.DrawTextProgressBar(queueReader.blockId + queueWriter.blockId, totalBlockCount * 2);
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
}
}
}
/// <summary>
/// Считывание файла
/// </summary>
protected override void ReadFromFile()
{
Debug.WriteLine("Read start");
try
{
using (FileStream _sourceFile = new FileStream(sourceFile, FileMode.Open))
{
byte[] _lastBuffer;
totalBlockCount = (long)Math.Ceiling((decimal)(_sourceFile.Length * 1.0 / blockSize));
ConsoleProgressBar.SetFileSize(_sourceFile.Length);
while (_sourceFile.Position < _sourceFile.Length && !cancelled)
{
byte[] _lengthBuffer = new byte[8];
_sourceFile.Read(_lengthBuffer, 0, _lengthBuffer.Length);
int _blockLength = BitConverter.ToInt32(_lengthBuffer, 4);
byte[] _compressedData = new byte[_blockLength];
_lengthBuffer.CopyTo(_compressedData, 0);
_sourceFile.Read(_compressedData, 8, _blockLength - 8);
int _dataSize = BitConverter.ToInt32(_compressedData, _blockLength - 4);
_lastBuffer = new byte[_dataSize];
ByteBlock _block = new ByteBlock(counterForDecompress, _lastBuffer, _compressedData);
queueReader.EnqueueForWriting(_block);
counterForDecompress++;
}
}
}
catch (Exception ex)
{
cancelled = true;
throw;
}
finally
{
queueReader.Stop();
Debug.WriteLine("Read end");
}
}
/// <summary>
/// Считывание файла
/// </summary>
protected override void ReadFromFile()
{
Debug.WriteLine("Read start");
try
{
using (FileStream _sourceFile = new FileStream(sourceFile, FileMode.Open))
{
int _bytesCount;
byte[] _lastBuffer;
totalBlockCount = (long)Math.Ceiling((decimal)(_sourceFile.Length * 1.0 / blockSize));
ConsoleProgressBar.SetFileSize(_sourceFile.Length);
while (_sourceFile.Position < _sourceFile.Length && !cancelled)
{
if (_sourceFile.Length - _sourceFile.Position <= blockSize)
{
_bytesCount = (int)(_sourceFile.Length - _sourceFile.Position);
}
else
{
_bytesCount = blockSize;
}
_lastBuffer = new byte[_bytesCount];
_sourceFile.Read(_lastBuffer, 0, _bytesCount);
queueReader.EnqueueForCompressing(_lastBuffer);
}
}
}
catch (Exception ex)
{
cancelled = true;
throw;
}
finally
{
queueReader.Stop();
Debug.WriteLine("Read end");
}
}
