Method on_session_open

cpp/src/handler.cpp:63–67

void messaging_handler::on_session_close(session &) {}
void messaging_handler::on_session_error(session &s) { on_error(s.error()); }
void messaging_handler::on_session_open(session &s) {
    if (s.uninitialized()) {
        pn_session_open(unwrap(s));
    }
}
void messaging_handler::on_receiver_close(receiver &) {}
void messaging_handler::on_receiver_error(receiver &l) { on_error(l.error()); }
void messaging_handler::on_receiver_open(receiver &l) {