hush/networking/udhcp/leases.h

25 lines
655 B
C

/* vi: set sw=4 ts=4: */
/* leases.h */
#ifndef _LEASES_H
#define _LEASES_H
struct dhcpOfferedAddr {
uint8_t chaddr[16];
uint32_t yiaddr; /* network order */
uint32_t expires; /* host order */
};
extern uint8_t blank_chaddr[];
void clear_lease(uint8_t *chaddr, uint32_t yiaddr);
struct dhcpOfferedAddr *add_lease(uint8_t *chaddr, uint32_t yiaddr, unsigned long lease);
int lease_expired(struct dhcpOfferedAddr *lease);
struct dhcpOfferedAddr *oldest_expired_lease(void);
struct dhcpOfferedAddr *find_lease_by_chaddr(uint8_t *chaddr);
struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr);
uint32_t find_address(int check_expired);
#endif