public static void ReadFromCompressedStream(this Buffers toBuffer, Stream fromStream)
{
int numRead = 0;
int chunckSize;
do
{
MemoryStream memBytes = toBuffer.GetMemory();
//read length of block
var position = fromStream.Position;
chunckSize = (int)fromStream.ReadLong();
if (chunckSize > 0)
{
numRead = memBytes.ReadFromSetLen(fromStream, chunckSize);
if (numRead > 0)
{
toBuffer.EnqueueBuffer(memBytes);
}
ThreadMessage($"{position} : {chunckSize}");
}
}while (chunckSize > 0 && numRead > 0);
}
public static void ReadFromStream(this Buffers toBuffer, Stream fromStream)
{
if (fromStream.Position == fromStream.Length)
{
return;
}
int count = toBuffer.BufferCapacity - sizeof(long);
int numRead;
do
{
var buffer = toBuffer.GetMemory();
#if DEBUGOUTPUT
var position = fromStream.Position;
#endif
buffer.WriteLong(fromStream.Position);
numRead = buffer.ReadFromSetLen(fromStream, count);
if (numRead > 0)
{
toBuffer.EnqueueBuffer(buffer);
}
#if DEBUGOUTPUT
ThreadMessage($"{position} : {numRead}");
#endif
}while (numRead > 0 && numRead == count);
}
public static void Decompress(this Buffers fromBuffer, Buffers toBuffer)
{
MemoryStream buffer;
while ((buffer = fromBuffer.GetBuffer()) != null)
{
//decompress data
var decompressed = buffer.DeCompress(toBuffer.GetMemory());
toBuffer.EnqueueBuffer(decompressed);
fromBuffer.ReleaseBuffer(buffer);
ThreadMessage($"{buffer.Length} : {decompressed.Length}");
}
}
public static void Compress(this Buffers fromBuffer, Buffers toBuffers)
{
MemoryStream buffer;
while ((buffer = fromBuffer.GetBuffer()) != null)
{
var compressed = buffer.Compress(toBuffers.GetMemory());
compressed.Position = 0;
toBuffers.EnqueueBuffer(compressed);
fromBuffer.ReleaseBuffer(buffer);
//buffer.Position = 0;
//var position = buffer.ReadLong();
ThreadMessage($"{buffer.Length} : {compressed.Length}");
}
}
