private static void _SerializeMessages(ReusableMemoryStream stream, IEnumerable <Message> messages, SerializationInfo info)
{
if (info.CompressionCodec != CompressionCodec.None)
{
stream.Write(Basics.Zero64, 0, 8);
using (var msgsetStream = stream.Pool.Reserve())
{
SerializeMessagesUncompressed(msgsetStream, messages, info.Serializers, info.MessageVersion);
using (var compressed = stream.Pool.Reserve())
{
Basics.CompressStream(msgsetStream, compressed, info.CompressionCodec);
var m = new Message
{
Value = compressed,
TimeStamp = Timestamp.Now
};
Basics.WriteWithSize(stream, m,
new SerializationInfo
{
Serializers = SerializationConfig.ByteArraySerializers,
CompressionCodec = info.CompressionCodec,
MessageVersion = info.MessageVersion
}, SerializeMessageWithCodec);
}
}
}
else
{
SerializeMessagesUncompressed(stream, messages, info.Serializers, info.MessageVersion);
}
}
private (int, long, long) SerializeRecordsWithCompression(ReusableMemoryStream target,
CompressionCodec compression)
{
using (var uncompressedStream = target.Pool.Reserve())
{
var resultOffsetAndTimestamps = SerializeRecords(uncompressedStream);
using (var compressed = target.Pool.Reserve())
{
Basics.CompressStream(uncompressedStream, compressed, compression);
using (var tmpBuffer = target.Pool.Reserve())
{
compressed.Position = 0;
compressed.ReusableCopyTo(target, tmpBuffer);
}
return(resultOffsetAndTimestamps);
}
}
}
