protected override void Write(BlocksQueue writeQueue, string outputFile)
{
WriteHeader(writeQueue, outputFile);
while (writeQueue.PreparedBlocks < writeQueue.TotalBlocksCount && !writeQueue.IsStoped)
{
try
{
var block = writeQueue.PopBlock();
WriteBlock(outputFile, block);
writeQueue.PreparedBlocks++;
}
catch (Exception e)
{
writeQueue.Stop();
_logger.Error(e, "An error occurred while writing block of compressed file");
}
}
_logger.Info(string.Format("File compressed"));
}
private void Decompress(string filename, string outputFile)
{
var readQueue = GetReadQueue(filename);
var writeQueue = new BlocksQueue(readQueue.TotalBlocksCount);
var writerThread = new Thread(() =>
{
Write(writeQueue, outputFile);
});
writerThread.Start();
var maxThreadForRead = _maxThreadCount - 1;
var semaphore = new Semaphore(maxThreadForRead, maxThreadForRead);
while (readQueue.PreparedBlocks < readQueue.TotalBlocksCount && !readQueue.IsStoped && semaphore.WaitOne())
{
var readThread = new Thread(() =>
{
var block = readQueue.PopBlock();
ReadBlock(filename, block);
if (block.HasError)
{
readQueue.Stop();
writeQueue.Stop();
}
else
{
writeQueue.PushBlock(block);
}
semaphore.Release();
});
readThread.Start();
readQueue.PreparedBlocks++;
}
}