/***************************************************************************
 *   Copyright (C) 2005 by Joris Guisson                                   *
 *   joris.guisson@gmail.com                                               *
 *                                                                         *
 *   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.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.             *
 ***************************************************************************/
#ifndef BTCONSTANTS_H
#define BTCONSTANTS_H

#include <QtGlobal>

namespace bt
{
typedef quint64 Uint64;
typedef quint32 Uint32;
typedef quint16 Uint16;
typedef quint8 Uint8;

typedef qint64 Int64;
typedef qint32 Int32;
typedef qint16 Int16;
typedef qint8 Int8;

typedef Uint64 TimeStamp;

typedef enum {
    // also leave some room if we want to add new priorities in the future
    PREVIEW_PRIORITY = 60,
    FIRST_PRIORITY = 50,
    NORMAL_PRIORITY = 40,
    LAST_PRIORITY = 30,
    ONLY_SEED_PRIORITY = 20,
    EXCLUDED = 10
} Priority;

enum ConfirmationResult {
    KEEP_DATA,
    THROW_AWAY_DATA,
    CANCELED
};

const Uint32 MAX_MSGLEN = 9 + 131072;
const Uint16 MIN_PORT = 6881;
const Uint16 MAX_PORT = 6889;
const Uint32 MAX_PIECE_LEN = 16384;

const Uint8 CHOKE = 0;
const Uint8 UNCHOKE = 1;
const Uint8 INTERESTED = 2;
const Uint8 NOT_INTERESTED = 3;
const Uint8 HAVE = 4;
const Uint8 BITFIELD = 5;
const Uint8 REQUEST = 6;
const Uint8 PIECE = 7;
const Uint8 CANCEL = 8;
const Uint8 PORT = 9;
const Uint8 SUGGEST_PIECE = 13;
const Uint8 HAVE_ALL = 14;
const Uint8 HAVE_NONE = 15;
const Uint8 REJECT_REQUEST = 16;
const Uint8 ALLOWED_FAST = 17;
const Uint8 EXTENDED = 20;  // extension protocol message


// flags for things which a peer supports
const Uint32 DHT_SUPPORT = 0x01;
const Uint32 EXT_PROT_SUPPORT = 0x10;
const Uint32 FAST_EXT_SUPPORT = 0x04;

enum TransportProtocol {
    TCP,
    UTP
};
}


#endif
