/* PUBLIC METHODS: */
public Session( Configuration config_, AnswerCallback answerCallback_)
{
m_config = config_;
m_serializer = new Serializer(m_config.schemadir, m_config.schemaext);
m_connection = new Connection( m_config);
m_lasterror = null;
m_state = State.Init;
m_stateLock = new object();
m_requestqueue = new WorkQueue<Request>('R');
m_pendingqueue = new WorkQueue<PendingRequest>('A');
m_answerCallback = answerCallback_;
m_request_thread = null;
m_answer_thread = null;
}