/*
 * $Id$
 *
 * Copyright © 2003 Keith Packard
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Keith Packard not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  Keith Packard makes no
 * representations about the suitability of this software for any purpose.  It
 * is provided "as is" without express or implied warranty.
 *
 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

autoload RR;
autoload Mutex;

namespace Server {

    import RR;

    public typedef Client;
    public typedef Game;

    mutex   server_mutex = Mutex::new ();

    string	server_id = Sockets::gethostname();

    public void set_server_id (string id) { server_id = id; }

    const int server_version = 1;

    public bool lock () {
	Mutex::acquire (server_mutex);
#	File::fprintf (stderr, "lock %v\n", Thread::current());
	return true;
    }

    public bool unlock () {
#	File::fprintf (stderr, "unlock %v\n", Thread::current());
	Mutex::release (server_mutex);
	return true;
    }

    public typedef struct {
	int	x, y;
	Object	object;
    } ObjectLoc;

    public typedef union {
	void	none;
	string	username;
    } User;

    public typedef union {
	void	none;
	&Game	game;
    } GameRef;

    public typedef struct {
	int	number;
	int	sequence;
    } BidValue;
    
    public typedef union {
	void	    none;
	BidValue    bid;
    } Bid;
    
    public typedef struct {
	file	    f;
	User	    user;
	GameRef	    game;
	int	    score;
	int	    games;
	int	    version;
	Bid	    bid;
	bool	    playing;
	bool	    abandon;
	bool	    nobid;
    } Client;

    public typedef union {
	void	none;
	int	seconds;
    } Time;

    public typedef union {
	void	none;
	&Client	client;
    } ClientRef;
    
    public typedef union {
	void	none;
	Board	board;
    } BoardOrNone;

    public typedef struct {
	string		name;
	GameState	state;
	(&Client)[*]	clients;
	Target[*]	targets;
	Target		target;
	Board		board;
	int		expire_interval;
	int		expire_time;
	int		bid_sequence;
	ClientRef	active;
	ObjectLoc[*]    history;
	int		timer_serial;
	ObjectLoc[*]	done_robots;
    } Game;

    public exception notreached ();
}
