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072990e22e
* ospf_apiserver.{c,h}: (ospf_apiserver_lsa_refresher) refreshers must now
return the refreshed LSA.
* ospf_te.{c,h}: (ospf_mpls_te_lsa_refresh) ditto
* ospf_api.c: trivial compiler warning fix
202 lines
7.9 KiB
C
202 lines
7.9 KiB
C
/*
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* Server side of OSPF API.
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* Copyright (C) 2001, 2002 Ralph Keller
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2, or (at your
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* option) any later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Zebra; see the file COPYING. If not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _OSPF_APISERVER_H
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#define _OSPF_APISERVER_H
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/* MTYPE definition is not reflected to "memory.h". */
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#define MTYPE_OSPF_APISERVER MTYPE_TMP
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#define MTYPE_OSPF_APISERVER_MSGFILTER MTYPE_TMP
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/* List of opaque types that application registered */
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struct registered_opaque_type
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{
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u_char lsa_type;
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u_char opaque_type;
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};
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/* Server instance for each accepted client connection. */
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struct ospf_apiserver
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{
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/* Socket connections for synchronous commands and asynchronous
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notifications */
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int fd_sync; /* synchronous requests */
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struct sockaddr_in peer_sync;
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int fd_async; /* asynchronous notifications */
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struct sockaddr_in peer_async;
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/* List of all opaque types that application registers to use. Using
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a single connection with the OSPF daemon, multiple
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<lsa,opaque_type> pairs can be registered. However, each
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combination can only be registered once by all applications. */
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struct list *opaque_types; /* of type registered_opaque_type */
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/* Temporary storage for LSA instances to be refreshed. */
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struct ospf_lsdb reserve;
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/* filter for LSA update/delete notifies */
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struct lsa_filter_type *filter;
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/* Fifo buffers for outgoing messages */
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struct msg_fifo *out_sync_fifo;
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struct msg_fifo *out_async_fifo;
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/* Read and write threads */
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struct thread *t_sync_read;
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#ifdef USE_ASYNC_READ
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struct thread *t_async_read;
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#endif /* USE_ASYNC_READ */
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struct thread *t_sync_write;
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struct thread *t_async_write;
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};
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enum event
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{
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OSPF_APISERVER_ACCEPT,
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OSPF_APISERVER_SYNC_READ,
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#ifdef USE_ASYNC_READ
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OSPF_APISERVER_ASYNC_READ,
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#endif /* USE_ASYNC_READ */
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OSPF_APISERVER_SYNC_WRITE,
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OSPF_APISERVER_ASYNC_WRITE
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};
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/* -----------------------------------------------------------
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* Followings are functions to manage client connections.
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* -----------------------------------------------------------
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*/
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extern unsigned short ospf_apiserver_getport (void);
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extern int ospf_apiserver_init (void);
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extern void ospf_apiserver_term (void);
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extern struct ospf_apiserver *ospf_apiserver_new (int fd_sync, int fd_async);
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extern void ospf_apiserver_free (struct ospf_apiserver *apiserv);
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extern void ospf_apiserver_event (enum event event, int fd,
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struct ospf_apiserver *apiserv);
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extern int ospf_apiserver_serv_sock_family (unsigned short port, int family);
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extern int ospf_apiserver_accept (struct thread *thread);
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extern int ospf_apiserver_read (struct thread *thread);
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extern int ospf_apiserver_sync_write (struct thread *thread);
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extern int ospf_apiserver_async_write (struct thread *thread);
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extern int ospf_apiserver_send_reply (struct ospf_apiserver *apiserv,
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u_int32_t seqnr, u_char rc);
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/* -----------------------------------------------------------
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* Followings are message handler functions
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* -----------------------------------------------------------
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*/
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extern int ospf_apiserver_lsa9_originator (void *arg);
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extern int ospf_apiserver_lsa10_originator (void *arg);
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extern int ospf_apiserver_lsa11_originator (void *arg);
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extern void ospf_apiserver_clients_notify_all (struct msg *msg);
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extern void ospf_apiserver_clients_notify_ready_type9 (struct ospf_interface *oi);
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extern void ospf_apiserver_clients_notify_ready_type10 (struct ospf_area *area);
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extern void ospf_apiserver_clients_notify_ready_type11 (struct ospf *top);
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extern void ospf_apiserver_clients_notify_new_if (struct ospf_interface *oi);
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extern void ospf_apiserver_clients_notify_del_if (struct ospf_interface *oi);
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extern void ospf_apiserver_clients_notify_ism_change (struct ospf_interface *oi);
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extern void ospf_apiserver_clients_notify_nsm_change (struct ospf_neighbor *nbr);
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extern int ospf_apiserver_is_ready_type9 (struct ospf_interface *oi);
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extern int ospf_apiserver_is_ready_type10 (struct ospf_area *area);
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extern int ospf_apiserver_is_ready_type11 (struct ospf *ospf);
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extern void ospf_apiserver_notify_ready_type9 (struct ospf_apiserver *apiserv);
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extern void ospf_apiserver_notify_ready_type10 (struct ospf_apiserver *apiserv);
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extern void ospf_apiserver_notify_ready_type11 (struct ospf_apiserver *apiserv);
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extern int ospf_apiserver_handle_msg (struct ospf_apiserver *apiserv,
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struct msg *msg);
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extern int ospf_apiserver_handle_register_opaque_type (struct ospf_apiserver
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*apiserv, struct msg *msg);
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extern int ospf_apiserver_handle_unregister_opaque_type (struct ospf_apiserver
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*apiserv, struct msg *msg);
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extern int ospf_apiserver_handle_register_event (struct ospf_apiserver *apiserv,
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struct msg *msg);
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extern int ospf_apiserver_handle_originate_request (struct ospf_apiserver *apiserv,
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struct msg *msg);
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extern int ospf_apiserver_handle_delete_request (struct ospf_apiserver *apiserv,
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struct msg *msg);
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extern int ospf_apiserver_handle_sync_lsdb (struct ospf_apiserver *apiserv,
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struct msg *msg);
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/* -----------------------------------------------------------
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* Followings are functions for LSA origination/deletion
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* -----------------------------------------------------------
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*/
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extern int ospf_apiserver_register_opaque_type (struct ospf_apiserver *apiserver,
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u_char lsa_type, u_char opaque_type);
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extern int ospf_apiserver_unregister_opaque_type (struct ospf_apiserver *apiserver,
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u_char lsa_type,
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u_char opaque_type);
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extern struct ospf_lsa *ospf_apiserver_opaque_lsa_new (struct ospf_area *area,
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struct ospf_interface *oi,
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struct lsa_header *protolsa);
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extern struct ospf_interface *ospf_apiserver_if_lookup_by_addr (struct in_addr
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address);
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extern struct ospf_interface *ospf_apiserver_if_lookup_by_ifp (struct interface
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*ifp);
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extern int ospf_apiserver_originate1 (struct ospf_lsa *lsa);
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extern void ospf_apiserver_flood_opaque_lsa (struct ospf_lsa *lsa);
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/* -----------------------------------------------------------
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* Followings are callback functions to handle opaque types
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* -----------------------------------------------------------
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*/
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extern int ospf_apiserver_new_if (struct interface *ifp);
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extern int ospf_apiserver_del_if (struct interface *ifp);
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extern void ospf_apiserver_ism_change (struct ospf_interface *oi, int old_status);
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extern void ospf_apiserver_nsm_change (struct ospf_neighbor *nbr, int old_status);
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extern void ospf_apiserver_config_write_router (struct vty *vty);
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extern void ospf_apiserver_config_write_if (struct vty *vty, struct interface *ifp);
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extern void ospf_apiserver_show_info (struct vty *vty, struct ospf_lsa *lsa);
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extern int ospf_ospf_apiserver_lsa_originator (void *arg);
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extern struct ospf_lsa *ospf_apiserver_lsa_refresher (struct ospf_lsa *lsa);
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extern void ospf_apiserver_flush_opaque_lsa (struct ospf_apiserver *apiserv,
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u_char lsa_type, u_char opaque_type);
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/* -----------------------------------------------------------
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* Followings are hooks when LSAs are updated or deleted
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* -----------------------------------------------------------
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*/
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/* Hooks that are invoked from ospf opaque module */
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extern int ospf_apiserver_lsa_update (struct ospf_lsa *lsa);
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extern int ospf_apiserver_lsa_delete (struct ospf_lsa *lsa);
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extern void ospf_apiserver_clients_lsa_change_notify (u_char msgtype,
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struct ospf_lsa *lsa);
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#endif /* _OSPF_APISERVER_H */
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