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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2013 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef EVENT_H
#define	EVENT_H

#include "../public/nsapi.h"
#include <ucx/string.h>

#ifdef	__cplusplus
extern "C" {
#endif

typedef struct EVHandler {
    EventHandler **instances;
    uint32_t     numins;
    uint32_t     current;
} EVHandler;

typedef struct event_handler_conf {
    sstr_t   name;
    int      nthreads;
    int      isdefault;
} EventHandlerConfig;

int create_event_handler(EventHandlerConfig *cfg);

int check_event_handler_cfg();

EVHandler* get_default_event_handler();

EVHandler* get_event_handler(char *name);

EventHandler* ev_instance(EVHandler *ev);

/* implementation in event_$platform */
EVHandler* evhandler_create(EventHandlerConfig *cfg);

int ev_pollin(EventHandler *h, int fd, Event *event);
int ev_pollout(EventHandler *h, int fd, Event *event);
int ev_remove_poll(EventHandler *h, int fd);
int ev_send(EventHandler *h, Event *event);

int ev_aioread(int fd, aiocb_s *cb);
int ev_aiowrite(int fd, aiocb_s *cb);


#ifdef	__cplusplus
}
#endif

#endif	/* EVENT_H */