void error_caught(ipc::channel *ch, int error) {}
private:
+ int manager_connect(ipc::channel *ch, ipc::message &msg);
+ int manager_disconnect(ipc::channel *ch, ipc::message &msg);
int manager_get_sensor_list(ipc::channel *ch, ipc::message &msg);
+
int listener_connect(ipc::channel *ch, ipc::message &msg);
int listener_disconnect(ipc::channel *ch, ipc::message &msg);
int listener_start(ipc::channel *ch, ipc::message &msg);