static public FlexReadBuffer Deserialize(LogReader S,
FlexReadBuffer flexBuf)
{
var messageSize = S.ReadInt(flexBuf._sizeBuf);
flexBuf._curSize = messageSize.Item1 + messageSize.Item2;
flexBuf._curSizeSize = messageSize.Item2;
if (flexBuf.Buffer != null)
{
throw new Exception("Flexbuffer should have been null in Deserialize");
}
flexBuf.GetBuffer();
var bytesRead = S.ReadAllRequiredBytes(flexBuf._buffer, messageSize.Item2, messageSize.Item1);
if (bytesRead < messageSize.Item1)
{
throw new Exception("Error deserializing buffer in stream");
}
return(flexBuf);
}
static public async Task <FlexReadBuffer> DeserializeAsync(LogReader S,
FlexReadBuffer flexBuf)
{
var intReaderTask = S.ReadIntAsync(flexBuf._sizeBuf);
var messageSize = await intReaderTask;
flexBuf._curSize = messageSize.Item1 + messageSize.Item2;
flexBuf._curSizeSize = messageSize.Item2;
if (flexBuf.Buffer != null)
{
throw new Exception("Flexbuffer should have been null in Deserialize");
}
flexBuf.GetBuffer();
var bytesReaderTask = S.ReadAllRequiredBytesAsync(flexBuf._buffer, messageSize.Item2, messageSize.Item1);
var bytesRead = await bytesReaderTask;
if (bytesRead < messageSize.Item1)
{
throw new Exception("Error deserializing buffer in stream");
}
return(flexBuf);
}
internal static void ReadBig(this LogReader reader,
Stream writeToStream,
long checkpointSize)
{
var blockSize = 1024 * 1024;
var buffer = new byte[blockSize];
while (checkpointSize > 0)
{
int bytesRead;
if (checkpointSize >= blockSize)
{
bytesRead = reader.Read(buffer, 0, blockSize);
}
else
{
bytesRead = reader.Read(buffer, 0, (int)checkpointSize);
}
writeToStream.Write(buffer, 0, bytesRead);
checkpointSize -= bytesRead;
}
}