Maybe we refer to two distinct case...this is the example of
boost::serialization
// Serialize the data first so we know how large it is.
std::ostringstream archive_stream;
boost::archive::text_oarchive archive(archive_stream);
archive << t;
outbound_data_ = archive_stream.str();
// Format the header.
std::ostringstream header_stream;
header_stream << std::setw(header_length)
<< std::hex << outbound_data_.size();
if (!header_stream || header_stream.str().size() != header_length)
{
// Something went wrong, inform the caller.
boost::system::error_code error(boost::asio::error::invalid_argument);
socket_.io_service().post(boost::bind(handler, error));
return;
}
outbound_header_ = header_stream.str();
// Write the serialized data to the socket. We use "gather-write" to send
// both the header and the data in a single write operation.
std::vectorboost::asio::const_buffer buffers;
buffers.push_back(boost::asio::buffer(outbound_header_));
buffers.push_back(boost::asio::buffer(outbound_data_));
boost::asio::async_write(socket_, buffers, handler);
}
I don't understand if is mandatory to attach this header, or if I can delete it.
________________________________
Da: "Pfligersdorffer, Christian"
In the example of the serialization, before serialize, an header is linked to the data. It will be handle both in write and read operations. Is this header essential for the serialization process, or it can be omitted and I can serialize only the data? thank you...
Try the boost::archive::no_header flag when constructing your archive. Then you will serialize only data, if that is what you wanted. Good luck, -- Christian Pfligersdorffer Software Engineering www.eos.info _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users