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72 lines
2.4 KiB
72 lines
2.4 KiB
15 years ago
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/***************************************************************************
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* Copyright (C) 2005 by Joris Guisson *
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* joris.guisson@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef BTUTPEX_H
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#define BTUTPEX_H
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#include <map>
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#include <net/address.h>
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#include <util/constants.h>
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namespace bt
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{
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class Peer;
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class PeerManager;
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class BEncoder;
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/**
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* @author Joris Guisson <joris.guisson@gmail.com>
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*
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* Class which handles µTorrent's peer exchange
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*/
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class UTPex
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{
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public:
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UTPex(Peer* peer,Uint32 id);
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virtual ~UTPex();
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/**
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* Handle a PEX packet
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* @param packet The packet
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* @param size The size of the packet
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*/
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void handlePexPacket(const Uint8* packet,Uint32 size);
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/// Do we need to update PEX (should happen every minute)
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bool needsUpdate() const;
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/// Send a new PEX packet to the Peer
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void update(PeerManager* pman);
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/// Change the ID used in the extended packets
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void changeID(Uint32 nid) {id = nid;}
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private:
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void encode(BEncoder & enc,const std::map<Uint32,net::Address> & ps);
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private:
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Peer* peer;
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Uint32 id;
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std::map<Uint32,net::Address> peers;
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TimeStamp last_updated;
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};
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}
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#endif
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