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/* $Id$ */
/*
 * Copyright (c) 2005 Dimitri Sokolyuk <demon@vhost.dyndns.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, 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.
 */

#ifndef _TRACKER_H_
#define _TRACKER_H_

#if 0
#include <sys/queue.h>
#endif

enum compact {
	COMP_NO,
	COMP_YES
};

enum event {
	EV_NONE,
	EV_STARTED,
	EV_COMPLETED,
	EV_STOPPED
};

struct bttracker {
	struct	sockaddr_in sin;	/* tracker */
	int	listener;		/* sockd */
	/* request part */
	struct	btannounce *announce;
	u_char	*infohash;		/* meta->infohash */
	u_char	localid[SHA1LEN];
	u_char	trackerid[SHA1LEN];
	char	*key;			/* ??? */
	int	localport;		/* my port, should be set by btstartserver() */

	off_t	uploaded;		/* statistics */
	off_t	downloaded;
	off_t	left;

	enum	event event;
	enum	compact compact;
	int	numwait;

	/* answer part */
	struct	btplist plist;		/* LIST_HEAD */

	long	lastrqst;
	int	interval;
	int	minterval;
	int	complete;
	int	incomplete;
	int	npeers;
};

__BEGIN_DECLS
struct	bttracker *btinittracker(struct btmeta *, int);
int	btcalltracker(struct bttracker *);
void	btupdatetracker(struct bttracker *, int, int, enum event);
void	btfreetracker(struct bttracker *);
__END_DECLS

#endif /* not _TRACKER_H_ */