2 * Server side of OSPF API.
3 * Copyright (C) 2001, 2002 Ralph Keller
5 * This file is part of GNU Zebra.
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.
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.
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.
23 #ifndef _OSPF_APISERVER_H
24 #define _OSPF_APISERVER_H
26 /* MTYPE definition is not reflected to "memory.h". */
27 #define MTYPE_OSPF_APISERVER MTYPE_TMP
28 #define MTYPE_OSPF_APISERVER_MSGFILTER MTYPE_TMP
30 /* List of opaque types that application registered */
31 struct registered_opaque_type
38 /* Server instance for each accepted client connection. */
41 /* Socket connections for synchronous commands and asynchronous
43 int fd_sync; /* synchronous requests */
44 struct sockaddr_in peer_sync;
46 int fd_async; /* asynchronous notifications */
47 struct sockaddr_in peer_async;
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. */
53 struct list *opaque_types; /* of type registered_opaque_type */
55 /* Temporary storage for LSA instances to be refreshed. */
56 struct ospf_lsdb reserve;
58 /* filter for LSA update/delete notifies */
59 struct lsa_filter_type *filter;
61 /* Fifo buffers for outgoing messages */
62 struct msg_fifo *out_sync_fifo;
63 struct msg_fifo *out_async_fifo;
65 /* Read and write threads */
66 struct thread *t_sync_read;
68 struct thread *t_async_read;
69 #endif /* USE_ASYNC_READ */
70 struct thread *t_sync_write;
71 struct thread *t_async_write;
76 OSPF_APISERVER_ACCEPT,
77 OSPF_APISERVER_SYNC_READ,
79 OSPF_APISERVER_ASYNC_READ,
80 #endif /* USE_ASYNC_READ */
81 OSPF_APISERVER_SYNC_WRITE,
82 OSPF_APISERVER_ASYNC_WRITE
85 /* -----------------------------------------------------------
86 * Followings are functions to manage client connections.
87 * -----------------------------------------------------------
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,
96 struct ospf_apiserver *apiserv);
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,
103 u_int32_t seqnr, u_char rc);
105 /* -----------------------------------------------------------
106 * Followings are message handler functions
107 * -----------------------------------------------------------
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);
114 extern void ospf_apiserver_clients_notify_all (struct msg *msg);
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);
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);
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);
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);
133 extern int ospf_apiserver_handle_msg (struct ospf_apiserver *apiserv,
135 extern int ospf_apiserver_handle_register_opaque_type (struct ospf_apiserver
136 *apiserv, struct msg *msg);
137 extern int ospf_apiserver_handle_unregister_opaque_type (struct ospf_apiserver
138 *apiserv, struct msg *msg);
139 extern int ospf_apiserver_handle_register_event (struct ospf_apiserver *apiserv,
141 extern int ospf_apiserver_handle_originate_request (struct ospf_apiserver *apiserv,
143 extern int ospf_apiserver_handle_delete_request (struct ospf_apiserver *apiserv,
145 extern int ospf_apiserver_handle_sync_lsdb (struct ospf_apiserver *apiserv,
149 /* -----------------------------------------------------------
150 * Followings are functions for LSA origination/deletion
151 * -----------------------------------------------------------
154 extern int ospf_apiserver_register_opaque_type (struct ospf_apiserver *apiserver,
155 u_char lsa_type, u_char opaque_type);
156 extern int ospf_apiserver_unregister_opaque_type (struct ospf_apiserver *apiserver,
159 extern struct ospf_lsa *ospf_apiserver_opaque_lsa_new (struct ospf_area *area,
160 struct ospf_interface *oi,
161 struct lsa_header *protolsa);
162 extern struct ospf_interface *ospf_apiserver_if_lookup_by_addr (struct in_addr
164 extern struct ospf_interface *ospf_apiserver_if_lookup_by_ifp (struct interface
166 extern int ospf_apiserver_originate1 (struct ospf_lsa *lsa);
167 extern void ospf_apiserver_flood_opaque_lsa (struct ospf_lsa *lsa);
170 /* -----------------------------------------------------------
171 * Followings are callback functions to handle opaque types
172 * -----------------------------------------------------------
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);
183 extern struct ospf_lsa *ospf_apiserver_lsa_refresher (struct ospf_lsa *lsa);
184 extern void ospf_apiserver_flush_opaque_lsa (struct ospf_apiserver *apiserv,
185 u_char lsa_type, u_char opaque_type);
187 /* -----------------------------------------------------------
188 * Followings are hooks when LSAs are updated or deleted
189 * -----------------------------------------------------------
193 /* Hooks that are invoked from ospf opaque module */
195 extern int ospf_apiserver_lsa_update (struct ospf_lsa *lsa);
196 extern int ospf_apiserver_lsa_delete (struct ospf_lsa *lsa);
198 extern void ospf_apiserver_clients_lsa_change_notify (u_char msgtype,
199 struct ospf_lsa *lsa);
201 #endif /* _OSPF_APISERVER_H */