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Diffstat (limited to 'contrib/isc-dhcp/includes/failover.h')
| -rw-r--r-- | contrib/isc-dhcp/includes/failover.h | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/contrib/isc-dhcp/includes/failover.h b/contrib/isc-dhcp/includes/failover.h deleted file mode 100644 index 2fd880d..0000000 --- a/contrib/isc-dhcp/includes/failover.h +++ /dev/null @@ -1,313 +0,0 @@ -/* failover.h - - Definitions for address trees... */ - -/* - * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") - * Copyright (c) 2000-2003 by Internet Software Consortium - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT - * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Internet Systems Consortium, Inc. - * 950 Charter Street - * Redwood City, CA 94063 - * <info@isc.org> - * http://www.isc.org/ - * - * This software has been written for Internet Systems Consortium - * by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc. - * To learn more about Internet Systems Consortium, see - * ``http://www.isc.org/''. To learn more about Vixie Enterprises, - * see ``http://www.vix.com''. To learn more about Nominum, Inc., see - * ``http://www.nominum.com''. - */ - -#if defined (FAILOVER_PROTOCOL) -struct failover_option_info { - int code; - const char *name; - enum { FT_UINT8, FT_IPADDR, FT_UINT32, FT_BYTES, FT_TEXT_OR_BYTES, - FT_DDNS, FT_DDNS1, FT_UINT16, FT_TEXT, - FT_UNDEF, FT_DIGEST } type; - int num_present; - int offset; - u_int32_t bit; -}; - -typedef struct { - unsigned count; - u_int8_t *data; -} failover_option_t; - -#define FM_OFFSET(x) (long)(&(((failover_message_t *)0) -> x)) - -/* Failover message options: */ -#define FTO_BINDING_STATUS 1 -#define FTB_BINDING_STATUS 0x00000002 -#define FTO_ASSIGNED_IP_ADDRESS 2 -#define FTB_ASSIGNED_IP_ADDRESS 0x00000004 -#define FTO_SERVER_ADDR 3 -#define FTB_SERVER_ADDR 0x00000008 -#define FTO_ADDRESSES_TRANSFERRED 4 -#define FTB_ADDRESSES_TRANSFERRED 0x00000010 -#define FTO_CLIENT_IDENTIFIER 5 -#define FTB_CLIENT_IDENTIFIER 0x00000020 -#define FTO_CHADDR 6 -#define FTB_CHADDR 0x00000040 -#define FTO_DDNS 7 -#define FTB_DDNS 0x00000080 -#define FTO_REJECT_REASON 8 -#define FTB_REJECT_REASON 0x00000100 -#define FTO_MESSAGE 9 -#define FTB_MESSAGE 0x00000200 -#define FTO_MCLT 10 -#define FTB_MCLT 0x00000400 -#define FTO_VENDOR_CLASS 11 -#define FTB_VENDOR_CLASS 0x00000800 -#define FTO_LEASE_EXPIRY 13 -#define FTB_LEASE_EXPIRY 0x00002000 -#define FTO_POTENTIAL_EXPIRY 14 -#define FTB_POTENTIAL_EXPIRY 0x00004000 -#define FTO_GRACE_EXPIRY 15 -#define FTB_GRACE_EXPIRY 0x00008000 -#define FTO_CLTT 16 -#define FTB_CLTT 0x00010000 -#define FTO_STOS 17 -#define FTB_STOS 0x00020000 -#define FTO_SERVER_STATE 18 -#define FTB_SERVER_STATE 0x00040000 -#define FTO_SERVER_FLAGS 19 -#define FTB_SERVER_FLAGS 0x00080000 -#define FTO_VENDOR_OPTIONS 20 -#define FTB_VENDOR_OPTIONS 0x00100000 -#define FTO_MAX_UNACKED 21 -#define FTB_MAX_UNACKED 0x00200000 -#define FTO_RECEIVE_TIMER 23 -#define FTB_RECEIVE_TIMER 0x00800000 -#define FTO_HBA 24 -#define FTB_HBA 0x01000000 -#define FTO_MESSAGE_DIGEST 25 -#define FTB_MESSAGE_DIGEST 0x02000000 -#define FTO_PROTOCOL_VERSION 26 -#define FTB_PROTOCOL_VERSION 0x04000000 -#define FTO_TLS_REQUEST 27 -#define FTB_TLS_REQUEST 0x08000000 -#define FTO_TLS_REPLY 28 -#define FTB_TLS_REPLY 0x10000000 -#define FTO_REQUEST_OPTIONS 29 -#define FTB_REQUEST_OPTIONS 0x20000000 -#define FTO_REPLY_OPTIONS 30 -#define FTB_REPLY_OPTIONS 0x40000000 -#define FTO_MAX FTO_REPLY_OPTIONS - -/* Failover protocol message types: */ -#define FTM_POOLREQ 1 -#define FTM_POOLRESP 2 -#define FTM_BNDUPD 3 -#define FTM_BNDACK 4 -#define FTM_CONNECT 5 -#define FTM_CONNECTACK 6 -#define FTM_UPDREQ 7 -#define FTM_UPDDONE 8 -#define FTM_UPDREQALL 9 -#define FTM_STATE 10 -#define FTM_CONTACT 11 -#define FTM_DISCONNECT 12 - -/* Reject reasons: */ - -#define FTR_ILLEGAL_IP_ADDR 1 -#define FTR_FATAL_CONFLICT 2 -#define FTR_MISSING_BINDINFO 3 -#define FTR_TIMEMISMATCH 4 -#define FTR_INVALID_MCLT 5 -#define FTR_MISC_REJECT 6 -#define FTR_DUP_CONNECTION 7 -#define FTR_INVALID_PARTNER 8 -#define FTR_TLS_UNSUPPORTED 9 -#define FTR_TLS_UNCONFIGURED 10 -#define FTR_TLS_REQUIRED 11 -#define FTR_DIGEST_UNSUPPORTED 12 -#define FTR_DIGEST_UNCONFIGURED 13 -#define FTR_VERSION_MISMATCH 14 -#define FTR_MISSING_BIND_INFO 15 -#define FTR_OUTDATED_BIND_INFO 16 -#define FTR_LESS_CRIT_BIND_INFO 17 -#define FTR_NO_TRAFFIC 18 -#define FTR_HBA_CONFLICT 19 -#define FTR_UNKNOWN 254 - -#define DHCP_FAILOVER_MAX_MESSAGE_SIZE 2048 - -/* Failover server flags. */ -#define FTF_STARTUP 1 - -typedef struct failover_message { - int refcnt; - struct failover_message *next; - - u_int8_t type; - - u_int8_t binding_status; - u_int8_t protocol_version; - u_int8_t reject_reason; - u_int8_t server_flags; - u_int8_t server_state; - u_int8_t tls_reply; - u_int8_t tls_request; - u_int32_t stos; - u_int32_t time; - u_int32_t xid; - u_int32_t addresses_transferred; - u_int32_t assigned_addr; - u_int32_t client_ltt; - u_int32_t expiry; - u_int32_t grace_expiry; - u_int32_t max_unacked; - u_int32_t mclt; - u_int32_t potential_expiry; - u_int32_t receive_timer; - u_int32_t server_addr; - failover_option_t chaddr; - failover_option_t client_identifier; - failover_option_t hba; - failover_option_t message; - failover_option_t reply_options; - failover_option_t request_options; - ddns_fqdn_t ddns; - failover_option_t vendor_class; - failover_option_t vendor_options; - - int options_present; -} failover_message_t; - -typedef struct { - OMAPI_OBJECT_PREAMBLE; - struct option_cache *peer_address; - unsigned peer_port; - int options_present; - enum dhcp_flink_state { - dhcp_flink_start, - dhcp_flink_message_length_wait, - dhcp_flink_message_wait, - dhcp_flink_disconnected, - dhcp_flink_state_max - } state; - failover_message_t *imsg; - struct _dhcp_failover_state *state_object; - u_int16_t imsg_len; - unsigned imsg_count; - u_int8_t imsg_payoff; /* Pay*load* offset. :') */ - u_int32_t xid; -} dhcp_failover_link_t; - -typedef struct _dhcp_failover_listener { - OMAPI_OBJECT_PREAMBLE; - struct _dhcp_failover_listener *next; - omapi_addr_t address; -} dhcp_failover_listener_t; -#endif /* FAILOVER_PROTOCOL */ - -/* A failover peer. */ -enum failover_state { - unknown_state, - partner_down, - normal, - communications_interrupted, - resolution_interrupted, - potential_conflict, - recover, - recover_done, - shut_down, - paused, - startup, - recover_wait -}; - -/* Service states are simplifications of failover states, particularly - useful because the startup state isn't actually implementable as a - seperate failover state without maintaining a state stack. */ - -enum service_state { - unknown_service_state, - cooperating, - not_cooperating, - service_partner_down, - not_responding, - service_startup -}; - -#if defined (FAILOVER_PROTOCOL) -typedef struct _dhcp_failover_config { - struct option_cache *address; - int port; - u_int32_t max_flying_updates; - enum failover_state state; - TIME stos; - u_int32_t max_response_delay; -} dhcp_failover_config_t; - -typedef struct _dhcp_failover_state { - OMAPI_OBJECT_PREAMBLE; - struct _dhcp_failover_state *next; - char *name; /* Name of this failover instance. */ - dhcp_failover_config_t me; /* My configuration. */ - dhcp_failover_config_t partner; /* Partner's configuration. */ - enum failover_state saved_state; /* Saved state during startup. */ - struct data_string server_identifier; /* Server identifier (IP addr) */ - u_int32_t mclt; - - u_int8_t *hba; /* Hash bucket array for load balancing. */ - int load_balance_max_secs; - - enum service_state service_state; - const char *nrr; /* Printable reason why we're in the - not_responding service state (empty - string if we are responding. */ - - dhcp_failover_link_t *link_to_peer; /* Currently-established link - to peer. */ - - enum { - primary, secondary - } i_am; /* We are primary or secondary in this relationship. */ - - TIME last_packet_sent; /* Timestamp on last packet we sent. */ - TIME last_timestamp_received; /* The last timestamp we sent that - has been returned by our partner. */ - TIME skew; /* The skew between our clock and our partner's. */ - struct lease *update_queue_head; /* List of leases we haven't sent - to peer. */ - struct lease *update_queue_tail; - - struct lease *ack_queue_head; /* List of lease updates the peer - hasn't yet acked. */ - struct lease *ack_queue_tail; - - struct lease *send_update_done; /* When we get a BNDACK for this - lease, send an UPDDONE message. */ - int cur_unacked_updates; /* Number of updates we've sent - that have not yet been acked. */ - - /* List of messages which we haven't - acked yet. */ - failover_message_t *toack_queue_head; - failover_message_t *toack_queue_tail; - int pending_acks; /* Number of messages in the toack - queue. */ - int pool_count; /* Number of pools referencing this - failover state object. */ -} dhcp_failover_state_t; - -#define DHCP_FAILOVER_VERSION 1 -#endif /* FAILOVER_PROTOCOL */ |
