// libTorrent - BitTorrent library
// Copyright (C) 2005-2007, Jari Sundell
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// In addition, as a special exception, the copyright holders give
// permission to link the code of portions of this program with the
// OpenSSL library under certain conditions as described in each
// individual source file, and distribute linked combinations
// including the two.
//
// You must obey the GNU General Public License in all respects for
// all of the code used other than OpenSSL.  If you modify file(s)
// with this exception, you may extend this exception to your version
// of the file(s), but you are not obligated to do so.  If you do not
// wish to do so, delete this exception statement from your version.
// If you delete this exception statement from all source files in the
// program, then also delete it here.
//
// Contact:  Jari Sundell <jaris@ifi.uio.no>
//
//           Skomakerveien 33
//           3185 Skoppum, NORWAY

#ifndef LIBTORRENT_TRACKER_LIST_H
#define LIBTORRENT_TRACKER_LIST_H

#include <torrent/common.h>

namespace torrent {

class Tracker;
class TrackerManager;

class LIBTORRENT_EXPORT TrackerList {
public:
  TrackerList(TrackerManager* m = NULL) : m_manager(m) {}

  bool                is_busy() const;

  // Access the trackers in the torrent.
  Tracker             get(uint32_t index) const;

  uint32_t            focus() const;
  uint32_t            size() const;

  uint64_t            timeout() const;

  int16_t             numwant() const;
  void                set_numwant(int32_t n);

  uint32_t            key() const;
  void                set_key(uint32_t k);

  // Perhaps make tracker_cycle_group part of Tracker?
  void                send_completed();

  void                cycle_group(int group);
  void                manual_request(bool force);

  void                manual_cancel();

//   void                scrape();

  // Use some weird and unreliable heuristic to figure out which
  // tracker's scrape to use?
//   uint64_t            scrape_time_last() const;
//   uint32_t            scrape_complete() const;
//   uint32_t            scrape_incomplete() const;
//   uint32_t            scrape_downloaded() const;

private:
  TrackerManager*     m_manager;
};

}

#endif
