public LogRecordStream(Stream inner, bool checksum, BufferPool bufferPool)
{
_inner = inner;
_checksum = checksum;
_bufferPool = bufferPool;
_binaryReader = new BinaryReader(inner);
_buffer = _bufferPool.Take(LogWriter.BlockSize);
try
{
var type = ReadPhysicalRecord();
switch (type)
{
case LogRecordType.FullType:
_completedRecord = true;
break;
case LogRecordType.StartType:
_inFragmentedRecord = true;
break;
case LogRecordType.MiddleType:
case LogRecordType.EndType:
throw new CorruptedDataException("missing start of fragmented record(3)");
default:
throw new ArgumentOutOfRangeException("Don't know how to handle record type: " + type);
}
}
catch (Exception)
{
_bufferPool.Return(_buffer);
throw;
}
}
public LogWriter(FileSystem fileSystem, Stream stream, BufferPool bufferPool)
{
_isFileSteam = stream is FileStream;
_fileSystem = fileSystem;
_bufferPool = bufferPool;
_buffer = bufferPool.Take(BlockSize);
_binaryWriter = new BinaryWriter(stream);
_bufferPos = HeaderSize;
_lastCompletedRecordStreamLength = 0;
}
public Slice(ref byte[] externalBuffer, Slice other, BufferPool bufferPool)
{
if (externalBuffer.Length < other.Count)
{
bufferPool.Return(externalBuffer);
externalBuffer = bufferPool.Take(other.Count);
}
_array = externalBuffer;
_count = other._count;
_offset = 0;
Buffer.BlockCopy(other.Array, other.Offset, externalBuffer, 0, other.Count);
}
public BufferPoolMemoryStream(BufferPool bufferPool)
{
_bufferPool = bufferPool;
_buffer = _bufferPool.Take(8 * 1024);
}