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c1d0d21f CF |
1 | /* |
2 | * This is an implementation of the IETF SPF delay algorithm | |
3 | * as explained in draft-ietf-rtgwg-backoff-algo-04 | |
4 | * | |
5 | * Created: 25-01-2017 by S. Litkowski | |
6 | * | |
7 | * Copyright (C) 2017 Orange Labs http://www.orange.com/ | |
8 | * Copyright (C) 2017 by Christian Franke, Open Source Routing / NetDEF Inc. | |
9 | * | |
10 | * This file is part of FreeRangeRouting (FRR) | |
11 | * | |
12 | * FRR is free software; you can redistribute it and/or modify it | |
13 | * under the terms of the GNU General Public License as published by the | |
14 | * Free Software Foundation; either version 2, or (at your option) any | |
15 | * later version. | |
16 | * | |
17 | * FRR is distributed in the hope that it will be useful, but | |
18 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
20 | * General Public License for more details. | |
21 | * | |
896014f4 DL |
22 | * You should have received a copy of the GNU General Public License along |
23 | * with this program; see the file COPYING; if not, write to the Free Software | |
24 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
c1d0d21f CF |
25 | */ |
26 | #ifndef _ZEBRA_SPF_BACKOFF_H | |
27 | #define _ZEBRA_SPF_BACKOFF_H | |
28 | ||
5e244469 RW |
29 | #ifdef __cplusplus |
30 | extern "C" { | |
31 | #endif | |
32 | ||
c1d0d21f CF |
33 | struct spf_backoff; |
34 | struct thread_master; | |
35 | struct vty; | |
36 | ||
d62a17ae | 37 | struct spf_backoff *spf_backoff_new(struct thread_master *m, const char *name, |
38 | long init_delay, long short_delay, | |
39 | long long_delay, long holddown, | |
40 | long timetolearn); | |
c1d0d21f CF |
41 | |
42 | void spf_backoff_free(struct spf_backoff *backoff); | |
43 | ||
44 | /* Called whenever an IGP event is received, returns how many | |
45 | * milliseconds routing table computation should be delayed */ | |
46 | long spf_backoff_schedule(struct spf_backoff *backoff); | |
47 | ||
48 | /* Shows status of SPF backoff instance */ | |
d62a17ae | 49 | void spf_backoff_show(struct spf_backoff *backoff, struct vty *vty, |
50 | const char *prefix); | |
c1d0d21f CF |
51 | |
52 | /* Writes out global SPF backoff debug config */ | |
53 | int spf_backoff_write_config(struct vty *vty); | |
54 | ||
55 | /* Registers global SPF backoff debug commands */ | |
56 | void spf_backoff_cmd_init(void); | |
57 | ||
58 | /* Accessor functions for SPF backoff parameters */ | |
59 | long spf_backoff_init_delay(struct spf_backoff *backoff); | |
60 | long spf_backoff_short_delay(struct spf_backoff *backoff); | |
61 | long spf_backoff_long_delay(struct spf_backoff *backoff); | |
62 | long spf_backoff_holddown(struct spf_backoff *backoff); | |
63 | long spf_backoff_timetolearn(struct spf_backoff *backoff); | |
64 | ||
5e244469 RW |
65 | #ifdef __cplusplus |
66 | } | |
67 | #endif | |
68 | ||
c1d0d21f | 69 | #endif |