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ca10883e DS |
1 | /* |
2 | Copyright (c) 2007, 2008 by Juliusz Chroboczek | |
3 | ||
4 | Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | of this software and associated documentation files (the "Software"), to deal | |
6 | in the Software without restriction, including without limitation the rights | |
7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
8 | copies of the Software, and to permit persons to whom the Software is | |
9 | furnished to do so, subject to the following conditions: | |
10 | ||
11 | The above copyright notice and this permission notice shall be included in | |
12 | all copies or substantial portions of the Software. | |
13 | ||
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
18 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
19 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
20 | THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | #ifndef BABEL_SOURCE_H | |
24 | #define BABEL_SOURCE_H | |
25 | ||
26 | #define SOURCE_GC_TIME 200 | |
27 | ||
28 | struct source { | |
29 | struct source *next; | |
30 | unsigned char id[8]; | |
31 | unsigned char prefix[16]; | |
32 | unsigned char plen; | |
33 | unsigned short seqno; | |
34 | unsigned short metric; | |
35 | unsigned short route_count; | |
36 | time_t time; | |
37 | }; | |
38 | ||
39 | struct source *find_source(const unsigned char *id, | |
40 | const unsigned char *p, | |
41 | unsigned char plen, | |
42 | int create, unsigned short seqno); | |
43 | struct source *retain_source(struct source *src); | |
44 | void release_source(struct source *src); | |
45 | int flush_source(struct source *src); | |
46 | void update_source(struct source *src, | |
47 | unsigned short seqno, unsigned short metric); | |
48 | void expire_sources(void); | |
49 | void check_sources_released(void); | |
50 | ||
51 | #endif |