private void DecompressBlockAsynchThread(object buffersReferences)
{
BuffersReferences buffers = (BuffersReferences)buffersReferences;
Queue <DataBlock> readDataBuffer = buffers.InputDataBuffer;
List <DataBlock> decompressedDataBuffer = buffers.OutputDataBuffer;
while (decompressInProgress)
{
while (decompressedDataBuffer.Count >= bufferSize)//выходной буфер заполнен
{
Console.WriteLine("Thread wait for space in Output buffer");
Thread.Sleep(100);//Ждем освобождения буфера
}
if (readDataBuffer.Count > 0)
{
DataBlock readedBlock = new DataBlock(new byte[0], 0, 0);
bool blockReaded = false;
lock (locker)
{
if (readDataBuffer.Count > 0)
{
readedBlock = readDataBuffer.Dequeue();
blockReaded = true;
}
}
if (blockReaded)
{
GC.Collect();
using (MemoryStream compressedDataStream = new MemoryStream(readedBlock.Data))
{
byte[] uncompressedData = new byte[readedBlock.DecompressedBlockSize];
using (GZipStream streamCompressed = new GZipStream(compressedDataStream, CompressionMode.Decompress))
{
streamCompressed.Read(uncompressedData, 0, uncompressedData.Length);
}
lock (locker)
{
decompressedDataBuffer.Add(new DataBlock(uncompressedData, readedBlock.Id));
}
uncompressedData = null;
}
}
}
else
{
Console.WriteLine("Thread Wait for Data");
Thread.Sleep(100);//wait to readDataBuffer enqueue
}
}
}
private void CompressBlockAsynchThread(object buffersReferences)
{
BuffersReferences buffers = (BuffersReferences)buffersReferences;
Queue <DataBlock> readDataBuffer = buffers.InputDataBuffer;
List <DataBlock> compressedDataBuffer = buffers.OutputDataBuffer;
while (compressInProgress)
{
while (compressedDataBuffer.Count >= bufferSize)//выходной буфер заполнен
{
Console.WriteLine("Thread wait for space in Output buffer");
Thread.Sleep(1000);//Ждем освобождения буфера
}
if (readDataBuffer.Count > 0)
{
DataBlock readedBlock = new DataBlock(new byte[0], 0);
bool blockReaded = false;
lock (locker)
{
if (readDataBuffer.Count > 0)
{
readedBlock = readDataBuffer.Dequeue();
blockReaded = true;
}
}
if (blockReaded)
{
GC.Collect();
byte[] size;
long blockSize;
using (MemoryStream compressedDataFull = new MemoryStream())
using (MemoryStream compressedDataStream = new MemoryStream())
{
using (GZipStream streamCompressed = new GZipStream(compressedDataStream, CompressionMode.Compress))
{
blockSize = readedBlock.Data.Length;
streamCompressed.Write(readedBlock.Data, 0, readedBlock.Data.Length);
}
byte[] compressedData = compressedDataStream.ToArray();
size = BitConverter.GetBytes(blockSize);//пишем размер блока файла
compressedDataFull.Write(size, 0, size.Length);
size = BitConverter.GetBytes((long)compressedData.Length);//размер сжатого блока
compressedDataFull.Write(size, 0, size.Length);
size = null;
compressedDataFull.Write(compressedData, 0, compressedData.Length);//сжатый блок
compressedData = null;
lock (locker)
{
compressedDataBuffer.Add(new DataBlock(compressedDataFull.ToArray(), readedBlock.Id));
}
}
}
}
else
{
Console.WriteLine("Thread Wait for Data");
Thread.Sleep(1000);//wait to readDataBuffer enqueue
}
}
}
