public void EnqueueForWriting(ByteBlock _block)
{
int id = _block.ID;
lock (locker)
{
if (isDead)
{
throw new InvalidOperationException("Queue already stopped");
}
while (id != blockId)
{
Monitor.Wait(locker);
}
queue.Enqueue(_block);
blockId++;
Monitor.PulseAll(locker);
}
}
private void Compress(object i)
{
try
{
ManualResetEvent doneEvent = doneEvents[(int)i];
while (!_cancelled)
{
ByteBlock _block = _queueReader.Dequeue();
if (_block == null)
{
doneEvent.Set();
return;
}
using (MemoryStream memoryStream = new MemoryStream())
{
using (GZipStream cs = new GZipStream(memoryStream, CompressionMode.Compress))
{
cs.Write(_block.Buffer, 0, _block.Buffer.Length);
}
byte[] compressedData = memoryStream.ToArray();
ByteBlock _out = new ByteBlock(_block.ID, compressedData);
_queueWriter.EnqueueForWriting(_out);
}
}
doneEvent.Set();
}
catch (Exception ex)
{
Console.WriteLine("Error in thread number {0}. \n Error description: {1}", i, ex.Message);
_cancelled = true;
}
}
