private void Execute(IChunkedReader reader, IChunkedWriter writer,
ManualResetEvent writeCompletedEvent, bool ioIsOnDifferentDrives)
{
using var readSlotsSemaphore = new SemaphoreSlim(ApplicationConstants.BufferSlots);
var writerQueue = new IOBoundQueue();
var readerQueue = ioIsOnDifferentDrives ? new IOBoundQueue() : writerQueue;
var chunkProcessor = new GzipChunkProcessor(readSlotsSemaphore, writerQueue, writer, this);
void ProcessingFunction(OrderedChunk chunk) =>
CpuBoundWorkQueue.Instance.QueueWork(() => chunkProcessor.Process(chunk));
var bufferedReader =
new BufferedReader(reader, readerQueue, ProcessingFunction, readSlotsSemaphore);
var readingFunction = new Function(nameof(BufferedReader.ReadChunks),
() => bufferedReader.ReadChunks());
readerQueue.Enqueue(readingFunction);
if (ioIsOnDifferentDrives)
{
new Thread(() => readerQueue.Evaluate())
{
IsBackground = true
}
}
public BufferedReader(IChunkedReader reader, IOBoundQueue ioBoundQueue, Action <OrderedChunk> onRead,
SemaphoreSlim readSlotsSemaphore)
{
_reader = reader;
_ioBoundQueue = ioBoundQueue;
_onRead = onRead;
_readSlotsSemaphore = readSlotsSemaphore;
_readChunksDelegate = ReadChunks;
}
