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25598fdf11
Initial implementation of a basic subset of the BMP (BGP Monitoring Protocol, RFC 7854) from Akamai team. Submitted for further review and improvement.
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
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* BIRD -- The BGP Monitoring Protocol (BMP)
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*
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* (c) 2020 Akamai Technologies, Inc. (Pawel Maslanka, pmaslank@akamai.com)
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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/**
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* This map implementation binds peer IP address as container key with custom data.
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*/
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#ifndef _BIRD_BMP_MAP_H_
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#define _BIRD_BMP_MAP_H_
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#include "nest/bird.h"
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#include "lib/hash.h"
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#include "lib/resource.h"
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#include "proto/bmp/utils.h"
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struct bmp_peer_map_key {
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struct bmp_peer_map_key *next;
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ip_addr peer_ip;
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u32 peer_as;
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};
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struct bmp_peer_map_data {
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void *buf;
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size_t buf_size;
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};
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struct bmp_peer_map_entry {
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struct bmp_peer_map_key key;
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struct bmp_peer_map_data data;
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};
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struct bmp_peer_map {
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pool *mpool; // Memory pool for peer entries in peer_hash
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HASH(struct bmp_peer_map_key) peer_hash; // Hash for peers to find the index
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};
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enum bmp_result
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bmp_peer_map_init(struct bmp_peer_map *map, pool *mpool);
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struct bmp_peer_map_key
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bmp_peer_map_key_create(const ip_addr peer_ip, const u32 peer_as);
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enum bmp_result
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bmp_peer_map_free(struct bmp_peer_map *map);
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enum bmp_result
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bmp_peer_map_flush(struct bmp_peer_map *map);
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enum bmp_result
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bmp_peer_map_insert(struct bmp_peer_map *map, const struct bmp_peer_map_key key,
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const byte *data, const size_t data_size);
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enum bmp_result
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bmp_peer_map_remove(struct bmp_peer_map *map, const struct bmp_peer_map_key key);
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const struct bmp_peer_map_entry *
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bmp_peer_map_get(struct bmp_peer_map *map, const struct bmp_peer_map_key key);
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typedef void (*bmp_peer_map_walk_action)(const struct bmp_peer_map_key key,
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const byte *data, const size_t data_size);
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void
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bmp_peer_map_walk(const struct bmp_peer_map *map, bmp_peer_map_walk_action action);
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#endif /* _BIRD_BMP_MAP_H_ */
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