// libTorrent - BitTorrent library
// Copyright (C) 2005-2006, 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_PEER_H
#define LIBTORRENT_PEER_H

#include <string>
#include <torrent/common.h>

namespace torrent {

// == and = operators works as expected.

// The Peer class is a wrapper around the internal peer class. This
// peer class may be invalidated during a torrent::work call. So if
// you keep a list or single instances in the client, you need to
// listen to the appropriate signals from the download to keep up to
// date. 
class LIBTORRENT_EXPORT Peer {
public:
  Peer(PeerConnectionBase* p = NULL) : m_ptr(p) {}

  // Does not check if it has been removed from the download.
  bool                 is_valid() const { return m_ptr; }
  bool                 is_incoming() const;
  bool                 is_encrypted() const;
  bool                 is_obfuscated() const;

  bool                 is_local_choked() const;
  bool                 is_local_interested() const;
  bool                 is_remote_choked() const;
  bool                 is_remote_interested() const;

  bool                 is_snubbed() const;
  void                 set_snubbed(bool v);

  const HashString&    id() const;
  const char*          options() const;

  const sockaddr*      address() const;

  const Rate*          down_rate() const;
  const Rate*          up_rate() const;
  const Rate*          peer_rate() const;

  const PeerInfo*      info() const;

  const Bitfield*      bitfield() const;

  const BlockTransfer* transfer() const;

  uint32_t             incoming_queue_size() const;
  uint32_t             outgoing_queue_size() const;

  uint32_t             chunks_done() const;

  uint32_t             failed_counter() const;

  PeerConnectionBase*  ptr()                             { return m_ptr; }
  void                 set_ptr(PeerConnectionBase* ptr)  { m_ptr = ptr; }

  bool                 operator == (const Peer& p) const { return m_ptr == p.m_ptr; }

private:
  PeerConnectionBase*  m_ptr;
};

}

#endif
