predicate.h

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#ifndef __SOLAR_CAPTURE_PREDICATE_H__
#define __SOLAR_CAPTURE_PREDICATE_H__


struct sc_pkt_predicate;
struct sc_packet;


typedef int (sc_pkt_predicate_test_fn)(struct sc_pkt_predicate*,
                                       struct sc_packet*);

struct sc_pkt_predicate {
  sc_pkt_predicate_test_fn* pred_test_fn; /*< the predicate test function it should return 1 (true) or 0 (false) */
  void*                     pred_private; /*< field to hold state for the predicate function */
};


extern int sc_pkt_predicate_alloc(struct sc_pkt_predicate** pred_out,
                                  int private_bytes);

extern struct sc_object*
  sc_pkt_predicate_to_object(struct sc_pkt_predicate* pred);

extern struct sc_pkt_predicate*
  sc_pkt_predicate_from_object(struct sc_object* obj);


#endif  /* __SOLAR_CAPTURE_PREDICATE_H__ */