+ * On query "once" from 'smsg' with parameters of 'obj'.
+ */
+static void on_once(struct sd_bus_message *smsg, struct json_object *obj, void *unused)
+{
+ const char *appid;
+ struct json_object *appli, *resp;
+ int runid;
+
+ /* get the parameters */
+ if (!j_read_string(obj, &appid) && !j_read_string_at(obj, "id", &appid)) {
+ jbus_reply_error_s(smsg, error_bad_request);
+ return;
+ }
+
+ /* get the application */
+ INFO("method once called for %s", appid);
+ appli = afm_db_get_application(afdb, appid);
+ if (appli == NULL) {
+ jbus_reply_error_s(smsg, error_not_found);
+ return;
+ }
+
+ /* launch the application */
+ runid = afm_run_once(appli);
+ if (runid <= 0) {
+ jbus_reply_error_s(smsg, error_cant_start);
+ return;
+ }
+
+ /* returns the state */
+ resp = afm_run_state(runid);
+ reply(smsg, resp, error_not_found);
+ json_object_put(resp);
+}
+
+/*
+ * On query "pause" from 'smsg' with parameters of 'obj'.