uint16_t destroyed: 1; /* 1 if the node is being destroyed, deallocate channels when any callback is triggered */
uint16_t duplicate: 1; /* 1 if the node is duplicate, ie. multiple nodes using the same Name are online */
uint16_t dirty: 1; /* 1 if the configuration of the node is dirty and needs to be written out */
+ uint16_t want_udp: 1; /* 1 if we want working UDP because we have data to send */
} node_status_t;
typedef struct node_t {
extern void free_node(node_t *n);
extern void node_add(struct meshlink_handle *mesh, node_t *n);
extern void node_del(struct meshlink_handle *mesh, node_t *n);
-extern node_t *lookup_node(struct meshlink_handle *mesh, const char *name);
-extern node_t *lookup_node_udp(struct meshlink_handle *mesh, const sockaddr_t *sa);
+extern node_t *lookup_node(struct meshlink_handle *mesh, const char *name) __attribute__((__warn_unused_result__));
+extern node_t *lookup_node_udp(struct meshlink_handle *mesh, const sockaddr_t *sa) __attribute__((__warn_unused_result__));
extern void update_node_udp(struct meshlink_handle *mesh, node_t *n, const sockaddr_t *sa);
#endif