static void qd_io_rx_handler(void *context, qd_message_t *msg, int link_id)
{
IoAdapter *self = (IoAdapter*) context;
//
// Parse the message through the body and exit if the message is not well formed.
//
if (!qd_message_check(msg, QD_DEPTH_BODY))
return;
// This is called from non-python threads so we need to acquire the GIL to use python APIS.
qd_python_lock_state_t lock_state = qd_python_lock();
PyObject *py_msg = PyObject_CallFunction(message_type, NULL);
if (!py_msg) {
qd_error_py();
qd_python_unlock(lock_state);
return;
}
iter_to_py_attr(qd_message_field_iterator(msg, QD_FIELD_TO), py_iter_copy, py_msg, "address");
iter_to_py_attr(qd_message_field_iterator(msg, QD_FIELD_REPLY_TO), py_iter_copy, py_msg, "reply_to");
// Note: correlation ID requires _typed()
iter_to_py_attr(qd_message_field_iterator_typed(msg, QD_FIELD_CORRELATION_ID), py_iter_parse, py_msg, "correlation_id");
iter_to_py_attr(qd_message_field_iterator(msg, QD_FIELD_APPLICATION_PROPERTIES), py_iter_parse, py_msg, "properties");
iter_to_py_attr(qd_message_field_iterator(msg, QD_FIELD_BODY), py_iter_parse, py_msg, "body");
PyObject *value = PyObject_CallFunction(self->handler, "Ol", py_msg, link_id);
Py_DECREF(py_msg);
Py_XDECREF(value);
qd_error_py();
qd_python_unlock(lock_state);
}
static void qd_set_properties(qd_message_t *msg,
qd_field_iterator_t **reply_to,
qd_composed_field_t **fld)
{
qd_field_iterator_t *correlation_id = qd_message_field_iterator_typed(msg, QD_FIELD_CORRELATION_ID);
// Grab the reply_to field from the incoming message. This is the address we will send the response to.
*reply_to = qd_message_field_iterator(msg, QD_FIELD_REPLY_TO);
*fld = qd_compose(QD_PERFORMATIVE_PROPERTIES, 0);
qd_compose_start_list(*fld);
qd_compose_insert_null(*fld); // message-id
qd_compose_insert_null(*fld); // user-id
qd_compose_insert_string_iterator(*fld, *reply_to); // to
qd_compose_insert_null(*fld); // subject
qd_compose_insert_null(*fld);
qd_compose_insert_typed_iterator(*fld, correlation_id);
qd_compose_end_list(*fld);
qd_field_iterator_free(correlation_id);
}
