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Code Issues Releases Wiki Activity

Expire old IPv6 leases. Also a number of fixes.

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See RT ticket #16849 for details.
This commit is contained in:
Shane Kerr
2007-05-18 09:26:58 +00:00
parent 8c1752d2ce
commit d9b43370a4
6 changed files with 334 additions and 97 deletions
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12
includes/dhcpd.h
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@@ -1249,8 +1249,10 @@ typedef unsigned char option_mask [16];
#define MAX_TIME 0x7fffffff
#define MIN_TIME 0
/* these are referenced */
typedef struct hash_table ia_na_hash_t;
typedef struct hash_table iaaddr_hash_t;
int num_inactive; /* count of inactive IAADDR */
struct iaaddr {
int refcnt; /* reference count */
@@ -1260,6 +1262,12 @@ struct iaaddr {
time_t valid_lifetime_end_time; /* time address expires */
struct ia_na *ia_na; /* IA for this address */
struct ipv6_pool *ipv6_pool; /* pool for this address */
/*
* For now, just pick an arbitrary time to keep old leases
* around (value in seconds).
*/
#define EXPIRED_IPV6_CLEANUP_TIME (60*60)
int heap_index; /* index into heap, or -1
(internal use only) */
};
@@ -3110,6 +3118,7 @@ isc_result_t dhcp_failover_process_update_request_all (dhcp_failover_state_t *,
failover_message_t *);
isc_result_t dhcp_failover_process_update_done (dhcp_failover_state_t *,
failover_message_t *);
void ia_na_remove_all_iaaddr(struct ia_na *ia_na, const char *file, int line);
void dhcp_failover_recover_done (void *);
void failover_print PROTO ((char *, unsigned *, unsigned, const char *));
void update_partner PROTO ((struct lease *));
@@ -3194,10 +3203,11 @@ isc_result_t find_ipv6_pool(struct ipv6_pool **pool,
isc_boolean_t ipv6_addr_in_pool(const struct in6_addr *addr,
const struct ipv6_pool *pool);
void expire_leases(time_t now);
isc_result_t renew_leases(struct ia_na *ia_na);
isc_result_t release_leases(struct ia_na *ia_na);
isc_result_t decline_leases(struct ia_na *ia_na);
void schedule_lease_timeout(struct ipv6_pool *pool);
void schedule_all_ipv6_lease_timeouts();
void mark_hosts_unavailable(void);
void mark_interfaces_unavailable(void);