public static void CopyToAsync(
this Stream source,
Stream destination,
BlockingBag <byte[]> buffersPool,
Action <Stream, Stream> onComplete)
{
if (!buffersPool.TryTake(out var buffer))
{
throw new InvalidOperationException("Buffers pool adding is completed. Cannot take the buffer");
}
source.BeginRead(buffer, 0, buffer.Length, ReadCallback, null);
void ReadCallback(IAsyncResult writeResult)
{
var readBytes = source.EndRead(writeResult);
if (readBytes > 0)
{
destination.BeginWrite(buffer, 0, readBytes, WriteCallback, null);
return;
}
buffersPool.Add(buffer);
onComplete(source, destination);
}
void WriteCallback(IAsyncResult writeResult)
{
destination.EndWrite(writeResult);
source.BeginRead(buffer, 0, buffer.Length, ReadCallback, null);
}
}
public BackgroundThreadPool(int workersCount)
{
tasks = new BlockingBag <ITask>(workersCount);
waitHandlerByTask = new Dictionary <ITask, ManualResetEvent>();
for (var i = 0; i < workersCount; i++)
{
var thread = new Thread(Execute)
{
IsBackground = true
};
thread.Start();
}
}