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#ifndef PQUEUE_H
#define PQUEUE_H
#include <time.h>
#include <sys/time.h>
/* wait this many seconds for missing packets before forgetting about them */
#define DEFAULT_PACKET_TIMEOUT 0.3
extern int packet_timeout_usecs;
/* assume packet is bad/spoofed if it's more than this many seqs ahead */
#define MISSING_WINDOW 300
/* Packet queue structure: linked list of packets received out-of-order */
typedef struct pqueue {
struct pqueue *next;
struct pqueue *prev;
int seq;
struct timeval expires;
unsigned char *packet;
int packlen;
int capacity;
} pqueue_t;
int pqueue_add (int seq, unsigned char *packet, int packlen);
int pqueue_del (pqueue_t *point);
pqueue_t *pqueue_head ();
int pqueue_expiry_time (pqueue_t *entry);
#endif /* PQUEUE_H */
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