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/*
* IS-IS Rout(e)ing protocol - isis_spf.h
* IS-IS Shortest Path First algorithm
*
* Copyright (C) 2001,2002 Sampo Saaristo
* Tampere University of Technology
* Institute of Communications Engineering
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public Licenseas published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; see the file COPYING; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _ZEBRA_ISIS_SPF_H
#define _ZEBRA_ISIS_SPF_H
struct isis_spftree;
struct isis_spftree *isis_spftree_new(struct isis_area *area);
void isis_spf_invalidate_routes(struct isis_spftree *tree);
void isis_spf_verify_routes(struct isis_area *area,
struct isis_spftree **trees);
void isis_spftree_del(struct isis_spftree *spftree);
void spftree_area_init(struct isis_area *area);
void spftree_area_del(struct isis_area *area);
void spftree_area_adj_del(struct isis_area *area, struct isis_adjacency *adj);
#define isis_spf_schedule(area, level) \
_isis_spf_schedule((area), (level), __func__, \
__FILE__, __LINE__)
int _isis_spf_schedule(struct isis_area *area, int level,
const char *func, const char *file, int line);
void isis_spf_cmds_init(void);
void isis_spf_print(struct isis_spftree *spftree, struct vty *vty);
struct isis_spftree *isis_run_hopcount_spf(struct isis_area *area,
uint8_t *sysid,
struct isis_spftree *spftree);
#endif /* _ZEBRA_ISIS_SPF_H */
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