| paul | 718e374 | 2002-12-13 20:15:29 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 1999 Yasuhiro Ohara |
| 3 | * |
| 4 | * This file is part of GNU Zebra. |
| 5 | * |
| 6 | * GNU Zebra is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the |
| 8 | * Free Software Foundation; either version 2, or (at your option) any |
| 9 | * later version. |
| 10 | * |
| 11 | * GNU Zebra is distributed in the hope that it will be useful, but |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with GNU Zebra; see the file COPYING. If not, write to the |
| 18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 19 | * Boston, MA 02111-1307, USA. |
| 20 | */ |
| 21 | |
| 22 | #ifndef OSPF6_SPF_H |
| 23 | #define OSPF6_SPF_H |
| 24 | |
| 25 | #include "prefix.h" |
| 26 | |
| 27 | /* Transit Vertex */ |
| 28 | struct ospf6_vertex |
| 29 | { |
| 30 | /* type of this vertex */ |
| 31 | u_int8_t type; |
| 32 | |
| 33 | /* Vertex Identifier */ |
| 34 | struct prefix_ls vertex_id; |
| 35 | |
| 36 | /* Identifier String */ |
| 37 | char string[128]; |
| 38 | |
| 39 | /* Associated LSA */ |
| 40 | struct ospf6_lsa *lsa; |
| 41 | |
| 42 | /* Distance from Root (Cost) */ |
| 43 | u_int16_t distance; |
| 44 | |
| 45 | /* Depth of this node */ |
| 46 | u_char depth; |
| 47 | |
| 48 | /* nexthops to this node */ |
| 49 | struct linklist *nexthop_list; |
| 50 | |
| 51 | /* upper nodes in spf tree */ |
| 52 | list parent_list; |
| 53 | |
| 54 | /* lower nodes in spf tree */ |
| 55 | list path_list; |
| 56 | |
| 57 | /* capability bits */ |
| 58 | u_char capability_bits; |
| 59 | |
| 60 | /* Optional capabilities */ |
| 61 | u_char opt_capability[3]; |
| 62 | }; |
| 63 | |
| 64 | #define OSPF6_VERTEX_TYPE_ROUTER 0x01 |
| 65 | #define OSPF6_VERTEX_TYPE_NETWORK 0x02 |
| 66 | |
| 67 | struct ospf6_spftree |
| 68 | { |
| 69 | /* calculation thread */ |
| 70 | struct thread *t_spf_calculation; |
| 71 | |
| 72 | /* root of this tree */ |
| 73 | struct ospf6_vertex *root; |
| 74 | |
| 75 | /* list for search */ |
| 76 | list list; |
| 77 | |
| 78 | /* statistics */ |
| 79 | u_int32_t timerun; |
| 80 | |
| 81 | struct timeval runtime_total; |
| 82 | struct timeval runtime_min; |
| 83 | struct timeval runtime_max; |
| 84 | |
| 85 | struct timeval updated_time; |
| 86 | struct timeval interval_total; |
| 87 | struct timeval interval_min; |
| 88 | struct timeval interval_max; |
| 89 | }; |
| 90 | |
| 91 | int ospf6_spf_calculate_route (void *); |
| 92 | |
| 93 | void |
| 94 | ospf6_spf_calculation_schedule (u_int32_t area_id); |
| 95 | struct ospf6_spftree *ospf6_spftree_create (); |
| 96 | void |
| 97 | ospf6_spf_statistics_show (struct vty *vty, struct ospf6_spftree *spf_tree); |
| 98 | void ospf6_spftree_delete (struct ospf6_spftree *spf_tree); |
| 99 | |
| 100 | void ospf6_spf_database_hook (struct ospf6_lsa *old, struct ospf6_lsa *new); |
| 101 | |
| 102 | void ospf6_spf_init (); |
| 103 | |
| 104 | #endif /* OSPF6_SPF_H */ |
| 105 | |