ctstats/hashtable.h

#ifndef _HASHTABLE_H_
#define _HASHTABLE_H_

#include <inttypes.h>
#include <pthread.h>

struct hash_entry {
	struct hash_entry *next;
	uint32_t src_ip;
	uint16_t dst_port;
	uint8_t protonum;
	uint8_t flags;

	uint64_t src_bytes;
	uint64_t dst_bytes;
	uint32_t count;
};

struct hash_table {
	uint32_t buckets;
	uint32_t hash_rnd;
	pthread_mutex_t mutex;
	struct hash_entry *bucket[0];
};

struct hash_table * create_hash(uint32_t buckets);

void purge_hash(struct hash_table *table,
		void (*callback)(const struct hash_entry *entry, void *privdata),
		void *privdata);

void destroy_hash(struct hash_table *table);

void hash_add(struct hash_table *table, struct hash_entry *entry);

#endif /* _HASHTABLE_H_ */