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- Support for 'reserved' (psuedo-static) and BOOTP leases via failover

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was introduced. [ISC-Bugs #13672]
- The failover implementation was updated to comply with revision 12 of
  the protocol draft. [ISC-Bugs #13672]
This commit is contained in:
David Hankins
2006-04-27 17:26:42 +00:00
parent 91e17fc3aa
commit a55ccdd037
11 changed files with 870 additions and 7313 deletions
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23
includes/dhcpd.h
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@@ -265,12 +265,10 @@ typedef struct {
#define FTS_ABANDONED 5
#define FTS_RESET 6
#define FTS_BACKUP 7
#define FTS_RESERVED 8
#define FTS_BOOTP 9
typedef u_int8_t binding_state_t;
/* FTS_LAST is the highest value that is valid for a lease binding state. */
#define FTS_LAST FTS_BOOTP
#define FTS_LAST FTS_BACKUP
/* A dhcp lease declaration structure. */
struct lease {
@@ -301,14 +299,20 @@ struct lease {
u_int8_t flags;
# define STATIC_LEASE 1
# define BOOTP_LEASE 2
# define PERSISTENT_FLAGS (ON_ACK_QUEUE | ON_UPDATE_QUEUE)
# define RESERVED_LEASE 4
# define MS_NULL_TERMINATION 8
# define ON_UPDATE_QUEUE 16
# define ON_ACK_QUEUE 32
# define UNICAST_BROADCAST_HACK 64
# define ON_DEFERRED_QUEUE 128
/* Persistent flags are to be preserved on a given lease structure. */
# define PERSISTENT_FLAGS (ON_ACK_QUEUE | ON_UPDATE_QUEUE)
/* Ephemeral flags are to be preserved on a given lease (copied etc). */
# define EPHEMERAL_FLAGS (MS_NULL_TERMINATION | \
UNICAST_BROADCAST_HACK)
UNICAST_BROADCAST_HACK | \
RESERVED_LEASE | \
BOOTP_LEASE)
binding_state_t binding_state;
binding_state_t next_binding_state;
@@ -326,6 +330,7 @@ struct lease {
TIME tsfp; /* Time sent from partner. */
TIME atsfp; /* Actual time sent from partner. */
TIME cltt; /* Client last transaction time. */
u_int32_t last_xid; /* XID we sent in this lease's BNDUPD */
struct lease *next_pending;
};
@@ -422,7 +427,8 @@ struct lease_state {
#define SV_UPDATE_STATIC_LEASES 43
#define SV_LOG_FACILITY 44
#define SV_DO_FORWARD_UPDATES 45
#define SV_PING_TIMEOUT 46
#define SV_PING_TIMEOUT 46
#define SV_RESERVE_INFINITE 47
#if !defined (DEFAULT_PING_TIMEOUT)
# define DEFAULT_PING_TIMEOUT 1
@@ -567,6 +573,7 @@ struct pool {
struct lease *free;
struct lease *backup;
struct lease *abandoned;
struct lease *reserved;
TIME next_event_time;
int lease_count;
int free_leases;
@@ -2609,6 +2616,8 @@ isc_result_t dhcp_failover_state_create PROTO ((omapi_object_t **,
isc_result_t dhcp_failover_state_remove PROTO ((omapi_object_t *,
omapi_object_t *));
int dhcp_failover_state_match (dhcp_failover_state_t *, u_int8_t *, unsigned);
int dhcp_failover_state_match_by_name(dhcp_failover_state_t *,
failover_option_t *);
const char *dhcp_failover_reject_reason_print (int);
const char *dhcp_failover_state_name_print (enum failover_state);
const char *dhcp_failover_message_name (unsigned);
@@ -2621,7 +2630,7 @@ failover_option_t *dhcp_failover_option_printf (unsigned, char *,
failover_option_t *dhcp_failover_make_option (unsigned, char *,
unsigned *, unsigned, ...);
isc_result_t dhcp_failover_put_message (dhcp_failover_link_t *,
omapi_object_t *, int, ...);
omapi_object_t *, int, u_int32_t, ...);
isc_result_t dhcp_failover_send_connect PROTO ((omapi_object_t *));
isc_result_t dhcp_failover_send_connectack PROTO ((omapi_object_t *,
dhcp_failover_state_t *,