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For many reasons, it's handy to assign a contiguous range of integers to known net_addr values. This is a data structure keeping this mapping.
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
/*
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* BIRD Internet Routing Daemon -- Semi-global index of nets
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*
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* (c) 2023 Maria Matejka <mq@jmq.cz>
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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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#ifndef _BIRD_LIB_NETINDEX_PRIVATE_H_
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#define _BIRD_LIB_NETINDEX_PRIVATE_H_
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#include "lib/netindex.h"
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#define NETINDEX_HASH_PUBLIC \
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DOMAIN(attrs) lock; /* Assigned lock */ \
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event_list *cleanup_list; /* Cleanup event list */ \
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event cleanup_event; /* Cleanup event */ \
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struct netindex_hash_private {
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struct { NETINDEX_HASH_PUBLIC; };
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struct netindex_hash_private **locked_at;
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pool *pool;
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struct {
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slab *slab;
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HASH(struct netindex) hash;
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uint block_size;
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struct netindex **block;
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struct hmap id_map;
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} net[NET_MAX];
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};
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typedef union netindex_hash {
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struct { NETINDEX_HASH_PUBLIC; };
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struct netindex_hash_private priv;
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} netindex_hash;
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LOBJ_UNLOCK_CLEANUP(netindex_hash, attrs);
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#define NH_LOCK(h, hp) LOBJ_LOCK(h, hp, netindex_hash, attrs)
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/* Find indices in a locked context with no usecounting */
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struct netindex *net_find_index_fragile(struct netindex_hash_private *hp, const net_addr *n);
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/* The same but instead of returning the exact match,
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* return the first item in hash chain */
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struct netindex *net_find_index_fragile_chain(struct netindex_hash_private *hp, const net_addr *n);
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#endif
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