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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* [email protected] *
* *
* 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 BTUDPTRACKER_H
#define BTUDPTRACKER_H
#include <kurl.h>
#include <tqvaluelist.h>
#include <tqcstring.h>
#include <tqtimer.h>
#include <ksocketaddress.h>
#include "tracker.h"
#include "globals.h"
#include "peermanager.h"
namespace KNetwork
{
class KResolverResults;
}
namespace bt
{
using KNetwork::KResolverResults;
enum Event
{
NONE = 0,
COMPLETED = 1,
STARTED = 2,
STOPPED = 3
};
class UDPTrackerSocket;
/**
* @author Joris Guisson
* @brief Communicates with an UDP tracker
*
* This class is able to communicate with an UDP tracker.
* This is an implementation of the protocol described in
* http://xbtt.sourceforge.net/udp_tracker_protocol.html
*/
class UDPTracker : public Tracker
{
Q_OBJECT
TQ_OBJECT
public:
UDPTracker(const KURL & url,kt::TorrentInterface* tor,const PeerID & id,int tier);
virtual ~UDPTracker();
virtual void start();
virtual void stop(WaitJob* wjob = 0);
virtual void completed();
virtual void manualUpdate();
virtual Uint32 failureCount() const {return n;}
virtual void scrape();
private slots:
void onConnTimeout();
void connectRecieved(Int32 tid,Int64 connection_id);
void announceRecieved(Int32 tid,const TQByteArray & buf);
void onError(Int32 tid,const TQString & error_string);
void onResolverResults(KResolverResults res);
private:
void sendConnect();
void sendAnnounce();
bool doRequest();
private:
KNetwork::KSocketAddress address;
Int32 transaction_id;
Int64 connection_id;
Uint32 data_read;
int n;
TQTimer conn_timer;
Event event;
static UDPTrackerSocket* socket;
static Uint32 num_instances;
};
}
#endif
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