/*
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* netlink/hashtable.h Netlink hashtable Utilities
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* Copyright (c) 2012 Cumulus Networks, Inc
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*/
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#ifndef NETLINK_HASHTABLE_H_
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#define NETLINK_HASHTABLE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct nl_hash_node {
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uint32_t key;
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uint32_t key_size;
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struct nl_object * obj;
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struct nl_hash_node * next;
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} nl_hash_node_t;
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typedef struct nl_hash_table {
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int size;
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nl_hash_node_t ** nodes;
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} nl_hash_table_t;
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/* Default hash table size */
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#define NL_MAX_HASH_ENTRIES 1024
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/* Access Functions */
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extern nl_hash_table_t * nl_hash_table_alloc(int size);
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extern void nl_hash_table_free(nl_hash_table_t *ht);
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extern int nl_hash_table_add(nl_hash_table_t *ht,
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struct nl_object *obj);
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extern int nl_hash_table_del(nl_hash_table_t *ht,
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struct nl_object *obj);
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extern struct nl_object * nl_hash_table_lookup(nl_hash_table_t *ht,
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struct nl_object *obj);
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extern uint32_t nl_hash(void *k, size_t length,
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uint32_t initval);
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#ifdef __cplusplus
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}
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#endif
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#endif /* NETLINK_HASHTABLE_H_ */
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