File: leases.h

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/* 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