29 #if defined (FAILOVER_PROTOCOL)
30 struct failover_option_info {
33 enum { FT_UINT8, FT_IPADDR, FT_UINT32, FT_BYTES, FT_TEXT_OR_BYTES,
34 FT_DDNS, FT_DDNS1, FT_UINT16, FT_TEXT,
35 FT_UNDEF, FT_DIGEST } type;
47 #ifndef DEFAULT_MAX_BALANCE_TIME
48 # define DEFAULT_MAX_BALANCE_TIME 3600
51 #ifndef DEFAULT_MIN_BALANCE_TIME
52 # define DEFAULT_MIN_BALANCE_TIME 60
55 #ifndef DEFAULT_MAX_LEASE_MISBALANCE
56 # define DEFAULT_MAX_LEASE_MISBALANCE 15
59 #ifndef DEFAULT_MAX_LEASE_OWNERSHIP
60 # define DEFAULT_MAX_LEASE_OWNERSHIP 10
63 #ifndef DEFAULT_MAX_FLYING_UPDATES
64 # define DEFAULT_MAX_FLYING_UPDATES 100
67 #ifndef DEFAULT_MAX_RESPONSE_DELAY
68 # define DEFAULT_MAX_RESPONSE_DELAY 20
77 #ifndef DEFAULT_FAILOVER_PORT
78 # define DEFAULT_FAILOVER_PORT 647
81 #define FM_OFFSET(x) (long)(&(((failover_message_t *)0) -> x))
89 #define FTO_ADDRESSES_TRANSFERRED 1
90 #define FTB_ADDRESSES_TRANSFERRED 0x00000002
91 #define FTO_ASSIGNED_IP_ADDRESS 2
92 #define FTB_ASSIGNED_IP_ADDRESS 0x00000004
93 #define FTO_BINDING_STATUS 3
94 #define FTB_BINDING_STATUS 0x00000008
95 #define FTO_CLIENT_IDENTIFIER 4
96 #define FTB_CLIENT_IDENTIFIER 0x00000010
98 #define FTB_CHADDR 0x00000020
100 #define FTB_CLTT 0x00000040
101 #define FTO_REPLY_OPTIONS 7
102 #define FTB_REPLY_OPTIONS 0x00000080
103 #define FTO_REQUEST_OPTIONS 8
104 #define FTB_REQUEST_OPTIONS 0x00000100
106 #define FTB_DDNS 0x00000200
107 #define FTO_DELAYED_SERVICE 10
108 #define FTB_DELAYED_SERVICE 0x00000400
110 #define FTB_HBA 0x00000800
111 #define FTO_IP_FLAGS 12
112 #define FTB_IP_FLAGS 0x00001000
113 #define FTO_LEASE_EXPIRY 13
114 #define FTB_LEASE_EXPIRY 0x00002000
115 #define FTO_MAX_UNACKED 14
116 #define FTB_MAX_UNACKED 0x00004000
118 #define FTB_MCLT 0x00008000
119 #define FTO_MESSAGE 16
120 #define FTB_MESSAGE 0x00010000
121 #define FTO_MESSAGE_DIGEST 17
122 #define FTB_MESSAGE_DIGEST 0x00020000
123 #define FTO_POTENTIAL_EXPIRY 18
124 #define FTB_POTENTIAL_EXPIRY 0x00040000
125 #define FTO_RECEIVE_TIMER 19
126 #define FTB_RECEIVE_TIMER 0x00080000
127 #define FTO_PROTOCOL_VERSION 20
128 #define FTB_PROTOCOL_VERSION 0x00100000
129 #define FTO_REJECT_REASON 21
130 #define FTB_REJECT_REASON 0x00200000
131 #define FTO_RELATIONSHIP_NAME 22
132 #define FTB_RELATIONSHIP_NAME 0x00400000
133 #define FTO_SERVER_FLAGS 23
134 #define FTB_SERVER_FLAGS 0x00800000
135 #define FTO_SERVER_STATE 24
136 #define FTB_SERVER_STATE 0x01000000
138 #define FTB_STOS 0x02000000
139 #define FTO_TLS_REPLY 26
140 #define FTB_TLS_REPLY 0x04000000
141 #define FTO_TLS_REQUEST 27
142 #define FTB_TLS_REQUEST 0x08000000
143 #define FTO_VENDOR_CLASS 28
144 #define FTB_VENDOR_CLASS 0x10000000
145 #define FTO_VENDOR_OPTIONS 29
146 #define FTB_VENDOR_OPTIONS 0x20000000
148 #define FTO_MAX FTO_VENDOR_OPTIONS
151 #define FTM_POOLREQ 1
152 #define FTM_POOLRESP 2
155 #define FTM_CONNECT 5
156 #define FTM_CONNECTACK 6
157 #define FTM_UPDREQALL 7
158 #define FTM_UPDDONE 8
161 #define FTM_CONTACT 11
162 #define FTM_DISCONNECT 12
164 #define FTM_MAX FTM_DISCONNECT
167 #define FTR_ILLEGAL_IP_ADDR 1
168 #define FTR_FATAL_CONFLICT 2
169 #define FTR_MISSING_BINDINFO 3
170 #define FTR_TIMEMISMATCH 4
171 #define FTR_INVALID_MCLT 5
172 #define FTR_MISC_REJECT 6
173 #define FTR_DUP_CONNECTION 7
174 #define FTR_INVALID_PARTNER 8
175 #define FTR_TLS_UNSUPPORTED 9
176 #define FTR_TLS_UNCONFIGURED 10
177 #define FTR_TLS_REQUIRED 11
178 #define FTR_DIGEST_UNSUPPORTED 12
179 #define FTR_DIGEST_UNCONFIGURED 13
180 #define FTR_VERSION_MISMATCH 14
181 #define FTR_OUTDATED_BIND_INFO 15
182 #define FTR_LESS_CRIT_BIND_INFO 16
183 #define FTR_NO_TRAFFIC 17
184 #define FTR_HBA_CONFLICT 18
185 #define FTR_IP_NOT_RESERVED 19
186 #define FTR_IP_DIGEST_FAILURE 20
187 #define FTR_IP_MISSING_DIGEST 21
188 #define FTR_UNKNOWN 254
191 #define DHCP_FAILOVER_MIN_MESSAGE_SIZE 12
192 #define DHCP_FAILOVER_MAX_MESSAGE_SIZE 2048
195 #define FTF_SERVER_STARTUP 1
198 #define FTF_DDNS_C 0x0001
199 #define FTF_DDNS_A 0x0002
200 #define FTF_DDNS_D 0x0004
201 #define FTF_DDNS_P 0x0008
204 #define FTF_IP_FLAG_RESERVE 0x0001
205 #define FTF_IP_FLAG_BOOTP 0x0002
208 #define FTT_MESSAGE_DIGEST_HMAC_MD5 0x01
210 typedef struct failover_message {
212 struct failover_message *next;
221 u_int8_t binding_status;
222 u_int8_t delayed_service;
223 u_int8_t protocol_version;
224 u_int8_t reject_reason;
225 u_int8_t server_flags;
226 u_int8_t server_state;
228 u_int8_t tls_request;
234 u_int32_t addresses_transferred;
235 u_int32_t assigned_addr;
238 u_int32_t max_unacked;
240 u_int32_t potential_expiry;
241 u_int32_t receive_timer;
245 failover_option_t chaddr;
246 failover_option_t client_identifier;
247 failover_option_t hba;
248 failover_option_t message;
249 failover_option_t message_digest;
250 failover_option_t relationship_name;
251 failover_option_t reply_options;
252 failover_option_t request_options;
253 failover_option_t vendor_class;
254 failover_option_t vendor_options;
258 } failover_message_t;
265 enum dhcp_flink_state {
267 dhcp_flink_message_length_wait,
268 dhcp_flink_message_wait,
269 dhcp_flink_disconnected,
272 failover_message_t *imsg;
273 struct _dhcp_failover_state *state_object;
276 u_int8_t imsg_payoff;
278 } dhcp_failover_link_t;
280 typedef struct _dhcp_failover_listener {
282 struct _dhcp_failover_listener *next;
324 #if defined (FAILOVER_PROTOCOL)
325 typedef struct _dhcp_failover_config {
328 u_int32_t max_flying_updates;
331 u_int32_t max_response_delay;
332 } dhcp_failover_config_t;
334 typedef struct _dhcp_failover_state {
336 struct _dhcp_failover_state *next;
338 dhcp_failover_config_t me;
339 dhcp_failover_config_t partner;
345 int load_balance_max_secs;
347 u_int32_t max_lease_misbalance, max_lease_ownership;
348 u_int32_t max_balance, min_balance;
349 TIME last_balance, sched_balance;
351 u_int32_t auto_partner_down;
358 dhcp_failover_link_t *link_to_peer;
365 TIME last_packet_sent;
366 TIME last_timestamp_received;
369 struct lease *update_queue_head;
371 struct lease *update_queue_tail;
373 struct lease *ack_queue_head;
375 struct lease *ack_queue_tail;
377 struct lease *send_update_done;
379 int cur_unacked_updates;
384 failover_message_t *toack_queue_head;
385 failover_message_t *toack_queue_tail;
393 } dhcp_failover_state_t;
395 #define DHCP_FAILOVER_VERSION 1
#define OMAPI_OBJECT_PREAMBLE
struct iaddr server_identifier