aria2/src/BtAnnounce.h

140 lines
3.7 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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
*
* 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.
*/
/* copyright --> */
#ifndef D_BT_ANNOUNCE_H
#define D_BT_ANNOUNCE_H
#include "common.h"
#include <string>
#include "SharedHandle.h"
#include "a2time.h"
namespace aria2 {
class BtAnnounce {
public:
virtual ~BtAnnounce() {}
/**
* Returns true if announce is required.
* Otherwise returns false.
*
* There are 4 announce timings:
* 1) started: when a download just started.
* 2) stopped: when the client quits.
* 3) completed: when a download just completed.
* 4) When a certain amount of time, aka announce interval, specified by
* a tracker, is elapsed.
*/
virtual bool isAnnounceReady() = 0;
/**
* Returns announe URL with all necessary parameters included.
*/
virtual std::string getAnnounceUrl() = 0;
/**
* Tells that the announce process has just started.
*/
virtual void announceStart() = 0;
/**
* Tells that the announce succeeded.
*/
virtual void announceSuccess() = 0;
/**
* Tells that the announce failed.
*/
virtual void announceFailure() = 0;
/**
* Returns true if all announce attempt failed.
*/
virtual bool isAllAnnounceFailed() = 0;
/**
* Resets announce status.
*/
virtual void resetAnnounce() = 0;
/**
* Processes the repsponse from the tracker.
*/
virtual void processAnnounceResponse(const unsigned char* trackerResponse,
size_t trackerResponseLength) = 0;
/**
* Returns true if no more announce is needed.
*/
virtual bool noMoreAnnounce() = 0;
/**
* Shuffles the URLs in each announce tier.
*/
virtual void shuffleAnnounce() = 0;
virtual void overrideMinInterval(time_t interval) = 0;
virtual void setTcpPort(uint16_t port) = 0;
static const std::string FAILURE_REASON;
static const std::string WARNING_MESSAGE;
static const std::string TRACKER_ID;
static const std::string INTERVAL;
static const std::string MIN_INTERVAL;
static const std::string COMPLETE;
static const std::string INCOMPLETE;
static const std::string PEERS;
static const std::string PEERS6;
static const time_t DEFAULT_ANNOUNCE_INTERVAL = 120;
};
typedef SharedHandle<BtAnnounce> BtAnnounceHandle;
} // namespace aria2
#endif // D_BT_ANNOUNCE_H