#ifndef __IOLOOP_INTERNAL_H
#define __IOLOOP_INTERNAL_H

#include "ioloop.h"

#include <sys/time.h>

struct ioloop {
        struct ioloop *prev;

	pool_t pool;
	int highest_fd;

	struct io *ios; /* sorted by priority */
	struct timeout *timeouts; /* sorted by next_run */

        struct ioloop_handler_data *handler_data;

	unsigned int running:1;
};

struct io {
	struct io *prev, *next;

	int fd;
        int priority;
	int condition;

	unsigned int destroyed:1;
	unsigned int invalid:1;

	io_callback_t *callback;
        void *context;
};

struct timeout {
	struct timeout *next;

	struct timeval next_run;
        int msecs;
	int run_now;
        int destroyed;

	timeout_callback_t *callback;
        void *context;
};

int io_loop_get_wait_time(struct timeout *timeout, struct timeval *tv,
			  struct timeval *tv_now);
void io_loop_handle_timeouts(struct ioloop *ioloop);

/* call only when io->destroyed is TRUE */
void io_destroy(struct ioloop *ioloop, struct io *io);
/* call only when timeout->destroyed is TRUE */
void timeout_destroy(struct ioloop *ioloop, struct timeout *timeout);

/* I/O handler calls */
void io_loop_handle_add(struct ioloop *ioloop, int fd, int condition);
void io_loop_handle_remove(struct ioloop *ioloop, int fd, int condition);

void io_loop_handler_init(struct ioloop *ioloop);
void io_loop_handler_deinit(struct ioloop *ioloop);

#endif