networking/udhcp/leases.h

   1 /* vi: set sw=4 ts=4: */
   2 /* leases.h */
   3 #ifndef _LEASES_H
   4 #define _LEASES_H
   5
   6
   7 struct dhcpOfferedAddr {
   8         uint8_t chaddr[16];
   9         uint32_t yiaddr;        /* network order */
  10         uint32_t expires;       /* host order */
  11 };
  12
  13 extern uint8_t blank_chaddr[];
  14
  15 void clear_lease(uint8_t *chaddr, uint32_t yiaddr);
  16 struct dhcpOfferedAddr *add_lease(uint8_t *chaddr, uint32_t yiaddr, unsigned long lease);
  17 int lease_expired(struct dhcpOfferedAddr *lease);
  18 struct dhcpOfferedAddr *oldest_expired_lease(void);
  19 struct dhcpOfferedAddr *find_lease_by_chaddr(uint8_t *chaddr);
  20 struct dhcpOfferedAddr *find_lease_by_yiaddr(uint32_t yiaddr);
  21 uint32_t find_address(int check_expired);
  22
  23
  24 #endif