#ifndef _STREAM_TABLE_H
#define _STREAM_TABLE_H

#ifdef __cpluscplus
extern "C"
{
#endif

#include <stdint.h>
#include <sys/types.h>

#include "uthash.h"
#include "stream_addr.h"

// Note: key_streamaddr must be initialized by memset(0) before use !!!

typedef void fn_free_cb(void *args);

struct stream_node
{
    uint64_t key_streamid;             /* first key */
    struct stream_addr key_streamaddr; /* second key */

    void *val_data;
    fn_free_cb *val_freecb;

    UT_hash_handle hh1; /* handle for first hash table */
    UT_hash_handle hh2; /* handle for second hash table */
};

struct stream_table;

struct stream_table *stream_table_create();
void stream_table_destory(struct stream_table *table);

// key_streamaddr : deep copy
// val_data       : shallow copy (malloc by user, free by val_freecb)
int stream_table_insert(struct stream_table *table, uint64_t key_streamid, const struct stream_addr *key_streamaddr, void *val_data, const fn_free_cb *val_freecb);

int stream_table_delete_by_streamid(struct stream_table *table, uint64_t key_streamid);
int stream_table_delete_by_streamaddr(struct stream_table *table, const struct stream_addr *key_streamaddr);

struct stream_node *stream_table_search_by_streamid(struct stream_table *table, uint64_t key_streamid);
struct stream_node *stream_table_search_by_streamaddr(struct stream_table *table, const struct stream_addr *key_streamaddr);

#ifdef __cpluscplus
}
#endif

#endif