struct node_direction {
        int enabled;
        int builtin; 
        int vectorize;

        struct list hooks;

        json_t *cfg;
};

struct node
{
        char *name;         
        char *_name;        
        char *_name_long;   

        int affinity;       

        uint64_t sequence;

        struct stats *stats;

        struct node_direction in, out;

        struct list signals;

        enum state state;

        struct node_type *_vt;
        void *_vd;            

        json_t *cfg;          
};