/*
 * Ouroboros - Copyright (C) 2016 - 2017
 *
 * Flow queues
 *
 *    Dimitri Staessens <dimitri.staessens@ugent.be>
 *    Sander Vrijders   <sander.vrijders@ugent.be>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * version 2.1 as published by the Free Software Foundation.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA
 */

#ifndef OUROBOROS_FQUEUE_H
#define OUROBOROS_FQUEUE_H

#include <stdbool.h>
#include <time.h>

struct flow_set;

struct fqueue;

typedef struct flow_set flow_set_t;
typedef struct fqueue fqueue_t;

flow_set_t * flow_set_create(void);

void         flow_set_destroy(flow_set_t * set);

fqueue_t *   fqueue_create(void);

void         fqueue_destroy(struct fqueue * fq);

void         flow_set_zero(flow_set_t * set);

int          flow_set_add(flow_set_t * set,
                          int          fd);

bool         flow_set_has(const flow_set_t * set,
                          int                fd);

void         flow_set_del(flow_set_t * set,
                          int          fd);

int          fqueue_next(fqueue_t * fq);

int          flow_event_wait(flow_set_t *            set,
                             fqueue_t *              fq,
                             const struct timespec * timeout);

#endif /* OUROBOROS_FQUEUE_H */
