/*
 * Copyright (C) 2022 Mikhail Burakov. This file is part of toolbox.
 *
 * toolbox is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * toolbox 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 toolbox.  If not, see <https://www.gnu.org/licenses/>.
 */

#ifndef TOOLBOX_IO_MUXER_H_
#define TOOLBOX_IO_MUXER_H_

#include <stdbool.h>
#include <stddef.h>

#ifdef __cplusplus
extern "C" {
#endif  // __cplusplus

struct pollfd;
struct IoMuxerTask;

struct IoMuxer {
  struct pollfd* pfds;
  struct IoMuxerTask* tasks;
  size_t alloc;
  size_t size;
};

enum IoMuxerResult {
  kIoMuxerResultSuccess = 0,
  kIoMuxerResultTimeout,
  kIoMuxerResultError,
};

void IoMuxerCreate(struct IoMuxer* io_muxer);
bool IoMuxerOnRead(struct IoMuxer* io_muxer, int fd, void (*fun)(void*),
                   void* user);
bool IoMuxerOnWrite(struct IoMuxer* io_muxer, int fd, void (*fun)(void*),
                    void* user);
enum IoMuxerResult IoMuxerIterate(struct IoMuxer* io_muxer, int timeout);
void IoMuxerDestroy(struct IoMuxer* io_muxer);

#ifdef __cplusplus
}  // extern "C"
#endif  // __cplusplus

#endif  // TOOLBOX_IO_MUXER_H_