extern bool read_rsa_public_key(struct connection_t *);
extern void send_mtu_probe(struct node_t *);
extern void handle_device_data(int, short, void *);
extern bool read_rsa_public_key(struct connection_t *);
extern void send_mtu_probe(struct node_t *);
extern void handle_device_data(int, short, void *);