/**
* Executes the read operation.
*
* @param session Internal CurveCP session reference
* @param ec Output error code
* @param bytes_transferred Output number of bytes transferred
* @return Whether the operation should be retried
*/
session::want operator()(session &session,
boost::system::error_code &ec,
std::size_t &bytes_transferred) const
{
boost::asio::mutable_buffer buffer =
boost::asio::detail::buffer_sequence_adapter<boost::asio::mutable_buffer,
MutableBufferSequence>::first(buffers_);
return session.read(buffer, ec, bytes_transferred) ? session::want::nothing : session::want::read;
}
