#ifndef __INC_LIBTHECORE_FDWATCH_H__
#define __INC_LIBTHECORE_FDWATCH_H__

#if defined(WIN32) || defined(__linux__)

    typedef struct fdwatch	FDWATCH;
    typedef struct fdwatch *	LPFDWATCH;

    enum EFdwatch
    {
	FDW_NONE		= 0,
	FDW_READ		= 1,
	FDW_WRITE		= 2,
	FDW_WRITE_ONESHOT	= 4,
	FDW_EOF			= 8,
    };

    struct fdwatch
    {
	fd_set rfd_set;
	fd_set wfd_set;

	socket_t* select_fds;
	int* select_rfdidx;

	int nselect_fds;

	fd_set working_rfd_set;
	fd_set working_wfd_set;

	int nfiles;

	void** fd_data;
	int* fd_rw;
    };

#else

typedef struct fdwatch	FDWATCH;
typedef struct fdwatch* LPFDWATCH;

enum EFdwatch
{
    FDW_NONE = 0,
    FDW_READ = 1,
    FDW_WRITE = 2,
    FDW_WRITE_ONESHOT = 4,
    FDW_EOF = 8,
};

typedef struct kevent	KEVENT;
typedef struct kevent* LPKEVENT;
typedef int			KQUEUE;

struct fdwatch
{
    KQUEUE		kq;

    int		nfiles;

    LPKEVENT	kqevents;
    int		nkqevents;

    LPKEVENT	kqrevents;
    int* fd_event_idx;

    void** fd_data;
    int* fd_rw;
};

#endif // WIN32

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

    extern LPFDWATCH	fdwatch_new(int nfiles);
    extern void		fdwatch_clear_fd(LPFDWATCH fdw, socket_t fd);
    extern void		fdwatch_delete(LPFDWATCH fdw);
	extern int fdwatch_check_fd(LPFDWATCH fdw, socket_t fd);
    extern int		fdwatch_check_event(LPFDWATCH fdw, socket_t fd, unsigned int event_idx);
    extern void		fdwatch_clear_event(LPFDWATCH fdw, socket_t fd, unsigned int event_idx);
    extern void		fdwatch_add_fd(LPFDWATCH fdw, socket_t fd, void* client_data, int rw, int oneshot);
    extern int		fdwatch(LPFDWATCH fdw, struct timeval *timeout);
    extern void *	fdwatch_get_client_data(LPFDWATCH fdw, unsigned int event_idx);
    extern void		fdwatch_del_fd(LPFDWATCH fdw, socket_t fd);
    extern int		fdwatch_get_buffer_size(LPFDWATCH fdw, socket_t fd);
    extern int		fdwatch_get_ident(LPFDWATCH fdw, unsigned int event_idx);

#ifdef __cplusplus
}
#endif

#endif