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/*
* Ouroboros - Copyright (C) 2016 - 2021
*
* Packet forwarding table (PFT) with chaining on collisions
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#ifndef OUROBOROS_PFT_H
#define OUROBOROS_PFT_H
#include <stdint.h>
#include <stdbool.h>
#include <stdlib.h>
struct pft;
/* Buckets is rounded up to the nearest power of 2 */
struct pft * pft_create(uint64_t buckets,
bool hash_key);
void pft_destroy(struct pft * table);
void pft_flush(struct pft * table);
/* Passes ownership of the block of memory */
int pft_insert(struct pft * pft,
uint64_t dst,
int * fds,
size_t len);
/* The block of memory returned is no copy */
int pft_lookup(struct pft * pft,
uint64_t dst,
int ** fds,
size_t * len);
int pft_delete(struct pft * pft,
uint64_t dst);
#endif /* OUROBOROS_PFT_H */
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