paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Server side of OSPF API. |
| 3 | * Copyright (C) 2001, 2002 Ralph Keller |
| 4 | * |
| 5 | * This file is part of GNU Zebra. |
| 6 | * |
| 7 | * GNU Zebra is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published |
| 9 | * by the Free Software Foundation; either version 2, or (at your |
| 10 | * option) any later version. |
| 11 | * |
| 12 | * GNU Zebra is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with GNU Zebra; see the file COPYING. If not, write to the |
| 19 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | * Boston, MA 02111-1307, USA. |
| 21 | */ |
| 22 | |
| 23 | #ifndef _OSPF_APISERVER_H |
| 24 | #define _OSPF_APISERVER_H |
| 25 | |
| 26 | /* MTYPE definition is not reflected to "memory.h". */ |
| 27 | #define MTYPE_OSPF_APISERVER MTYPE_TMP |
| 28 | #define MTYPE_OSPF_APISERVER_MSGFILTER MTYPE_TMP |
| 29 | |
| 30 | /* List of opaque types that application registered */ |
| 31 | struct registered_opaque_type |
| 32 | { |
| 33 | u_char lsa_type; |
| 34 | u_char opaque_type; |
| 35 | }; |
| 36 | |
| 37 | |
| 38 | /* Server instance for each accepted client connection. */ |
| 39 | struct ospf_apiserver |
| 40 | { |
| 41 | /* Socket connections for synchronous commands and asynchronous |
| 42 | notifications */ |
| 43 | int fd_sync; /* synchronous requests */ |
| 44 | struct sockaddr_in peer_sync; |
| 45 | |
| 46 | int fd_async; /* asynchronous notifications */ |
| 47 | struct sockaddr_in peer_async; |
| 48 | |
| 49 | /* List of all opaque types that application registers to use. Using |
| 50 | a single connection with the OSPF daemon, multiple |
| 51 | <lsa,opaque_type> pairs can be registered. However, each |
| 52 | combination can only be registered once by all applications. */ |
paul | 87d6f87 | 2004-09-24 08:01:38 +0000 | [diff] [blame] | 53 | struct list *opaque_types; /* of type registered_opaque_type */ |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 54 | |
| 55 | /* Temporary storage for LSA instances to be refreshed. */ |
| 56 | struct ospf_lsdb reserve; |
| 57 | |
| 58 | /* filter for LSA update/delete notifies */ |
| 59 | struct lsa_filter_type *filter; |
| 60 | |
| 61 | /* Fifo buffers for outgoing messages */ |
| 62 | struct msg_fifo *out_sync_fifo; |
| 63 | struct msg_fifo *out_async_fifo; |
| 64 | |
| 65 | /* Read and write threads */ |
| 66 | struct thread *t_sync_read; |
| 67 | #ifdef USE_ASYNC_READ |
| 68 | struct thread *t_async_read; |
| 69 | #endif /* USE_ASYNC_READ */ |
| 70 | struct thread *t_sync_write; |
| 71 | struct thread *t_async_write; |
| 72 | }; |
| 73 | |
| 74 | enum event |
| 75 | { |
| 76 | OSPF_APISERVER_ACCEPT, |
| 77 | OSPF_APISERVER_SYNC_READ, |
| 78 | #ifdef USE_ASYNC_READ |
| 79 | OSPF_APISERVER_ASYNC_READ, |
| 80 | #endif /* USE_ASYNC_READ */ |
| 81 | OSPF_APISERVER_SYNC_WRITE, |
| 82 | OSPF_APISERVER_ASYNC_WRITE |
| 83 | }; |
| 84 | |
| 85 | /* ----------------------------------------------------------- |
| 86 | * Followings are functions to manage client connections. |
| 87 | * ----------------------------------------------------------- |
| 88 | */ |
| 89 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 90 | extern unsigned short ospf_apiserver_getport (void); |
| 91 | extern int ospf_apiserver_init (void); |
| 92 | extern void ospf_apiserver_term (void); |
| 93 | extern struct ospf_apiserver *ospf_apiserver_new (int fd_sync, int fd_async); |
| 94 | extern void ospf_apiserver_free (struct ospf_apiserver *apiserv); |
| 95 | extern void ospf_apiserver_event (enum event event, int fd, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 96 | struct ospf_apiserver *apiserv); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 97 | extern int ospf_apiserver_serv_sock_family (unsigned short port, int family); |
| 98 | extern int ospf_apiserver_accept (struct thread *thread); |
| 99 | extern int ospf_apiserver_read (struct thread *thread); |
| 100 | extern int ospf_apiserver_sync_write (struct thread *thread); |
| 101 | extern int ospf_apiserver_async_write (struct thread *thread); |
| 102 | extern int ospf_apiserver_send_reply (struct ospf_apiserver *apiserv, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 103 | u_int32_t seqnr, u_char rc); |
| 104 | |
| 105 | /* ----------------------------------------------------------- |
| 106 | * Followings are message handler functions |
| 107 | * ----------------------------------------------------------- |
| 108 | */ |
| 109 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 110 | extern int ospf_apiserver_lsa9_originator (void *arg); |
| 111 | extern int ospf_apiserver_lsa10_originator (void *arg); |
| 112 | extern int ospf_apiserver_lsa11_originator (void *arg); |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 113 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 114 | extern void ospf_apiserver_clients_notify_all (struct msg *msg); |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 115 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 116 | extern void ospf_apiserver_clients_notify_ready_type9 (struct ospf_interface *oi); |
| 117 | extern void ospf_apiserver_clients_notify_ready_type10 (struct ospf_area *area); |
| 118 | extern void ospf_apiserver_clients_notify_ready_type11 (struct ospf *top); |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 119 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 120 | extern void ospf_apiserver_clients_notify_new_if (struct ospf_interface *oi); |
| 121 | extern void ospf_apiserver_clients_notify_del_if (struct ospf_interface *oi); |
| 122 | extern void ospf_apiserver_clients_notify_ism_change (struct ospf_interface *oi); |
| 123 | extern void ospf_apiserver_clients_notify_nsm_change (struct ospf_neighbor *nbr); |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 124 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 125 | extern int ospf_apiserver_is_ready_type9 (struct ospf_interface *oi); |
| 126 | extern int ospf_apiserver_is_ready_type10 (struct ospf_area *area); |
| 127 | extern int ospf_apiserver_is_ready_type11 (struct ospf *ospf); |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 128 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 129 | extern void ospf_apiserver_notify_ready_type9 (struct ospf_apiserver *apiserv); |
| 130 | extern void ospf_apiserver_notify_ready_type10 (struct ospf_apiserver *apiserv); |
| 131 | extern void ospf_apiserver_notify_ready_type11 (struct ospf_apiserver *apiserv); |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 132 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 133 | extern int ospf_apiserver_handle_msg (struct ospf_apiserver *apiserv, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 134 | struct msg *msg); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 135 | extern int ospf_apiserver_handle_register_opaque_type (struct ospf_apiserver |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 136 | *apiserv, struct msg *msg); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 137 | extern int ospf_apiserver_handle_unregister_opaque_type (struct ospf_apiserver |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 138 | *apiserv, struct msg *msg); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 139 | extern int ospf_apiserver_handle_register_event (struct ospf_apiserver *apiserv, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 140 | struct msg *msg); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 141 | extern int ospf_apiserver_handle_originate_request (struct ospf_apiserver *apiserv, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 142 | struct msg *msg); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 143 | extern int ospf_apiserver_handle_delete_request (struct ospf_apiserver *apiserv, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 144 | struct msg *msg); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 145 | extern int ospf_apiserver_handle_sync_lsdb (struct ospf_apiserver *apiserv, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 146 | struct msg *msg); |
| 147 | |
| 148 | |
| 149 | /* ----------------------------------------------------------- |
| 150 | * Followings are functions for LSA origination/deletion |
| 151 | * ----------------------------------------------------------- |
| 152 | */ |
| 153 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 154 | extern int ospf_apiserver_register_opaque_type (struct ospf_apiserver *apiserver, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 155 | u_char lsa_type, u_char opaque_type); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 156 | extern int ospf_apiserver_unregister_opaque_type (struct ospf_apiserver *apiserver, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 157 | u_char lsa_type, |
| 158 | u_char opaque_type); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 159 | extern struct ospf_lsa *ospf_apiserver_opaque_lsa_new (struct ospf_area *area, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 160 | struct ospf_interface *oi, |
| 161 | struct lsa_header *protolsa); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 162 | extern struct ospf_interface *ospf_apiserver_if_lookup_by_addr (struct in_addr |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 163 | address); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 164 | extern struct ospf_interface *ospf_apiserver_if_lookup_by_ifp (struct interface |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 165 | *ifp); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 166 | extern int ospf_apiserver_originate1 (struct ospf_lsa *lsa); |
| 167 | extern void ospf_apiserver_flood_opaque_lsa (struct ospf_lsa *lsa); |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 168 | |
| 169 | |
| 170 | /* ----------------------------------------------------------- |
| 171 | * Followings are callback functions to handle opaque types |
| 172 | * ----------------------------------------------------------- |
| 173 | */ |
| 174 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 175 | extern int ospf_apiserver_new_if (struct interface *ifp); |
| 176 | extern int ospf_apiserver_del_if (struct interface *ifp); |
| 177 | extern void ospf_apiserver_ism_change (struct ospf_interface *oi, int old_status); |
| 178 | extern void ospf_apiserver_nsm_change (struct ospf_neighbor *nbr, int old_status); |
| 179 | extern void ospf_apiserver_config_write_router (struct vty *vty); |
| 180 | extern void ospf_apiserver_config_write_if (struct vty *vty, struct interface *ifp); |
| 181 | extern void ospf_apiserver_show_info (struct vty *vty, struct ospf_lsa *lsa); |
| 182 | extern int ospf_ospf_apiserver_lsa_originator (void *arg); |
Paul Jakma | 072990e | 2011-04-11 16:28:16 +0100 | [diff] [blame] | 183 | extern struct ospf_lsa *ospf_apiserver_lsa_refresher (struct ospf_lsa *lsa); |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 184 | extern void ospf_apiserver_flush_opaque_lsa (struct ospf_apiserver *apiserv, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 185 | u_char lsa_type, u_char opaque_type); |
| 186 | |
| 187 | /* ----------------------------------------------------------- |
| 188 | * Followings are hooks when LSAs are updated or deleted |
| 189 | * ----------------------------------------------------------- |
| 190 | */ |
| 191 | |
| 192 | |
| 193 | /* Hooks that are invoked from ospf opaque module */ |
| 194 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 195 | extern int ospf_apiserver_lsa_update (struct ospf_lsa *lsa); |
| 196 | extern int ospf_apiserver_lsa_delete (struct ospf_lsa *lsa); |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 197 | |
paul | 4dadc29 | 2005-05-06 21:37:42 +0000 | [diff] [blame] | 198 | extern void ospf_apiserver_clients_lsa_change_notify (u_char msgtype, |
paul | 2d33f15 | 2003-03-17 01:10:58 +0000 | [diff] [blame] | 199 | struct ospf_lsa *lsa); |
| 200 | |
| 201 | #endif /* _OSPF_APISERVER_H */ |