mirror of https://github.com/aria2/aria2
65 lines
2.6 KiB
C++
65 lines
2.6 KiB
C++
/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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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 Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "CompactPeerListProcessor.h"
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#include "Data.h"
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#include <netinet/in.h>
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bool CompactPeerListProcessor::canHandle(const MetaEntry* peersEntry) const {
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return dynamic_cast<const Data*>(peersEntry) != 0;
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}
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Peers CompactPeerListProcessor::extractPeer(const MetaEntry* peersEntry) {
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Peers peers;
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const Data* peersData = (const Data*)peersEntry;
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if(peersData->getLen() > 0) {
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for(int i = 0; i < peersData->getLen(); i += 6) {
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unsigned int ipaddr1 = (unsigned char)*(peersData->getData()+i);
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unsigned int ipaddr2 = (unsigned char)*(peersData->getData()+i+1);
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unsigned int ipaddr3 = (unsigned char)*(peersData->getData()+i+2);
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unsigned int ipaddr4 = (unsigned char)*(peersData->getData()+i+3);
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unsigned int port = ntohs(*(unsigned short int*)(peersData->getData()+i+4));
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char ipaddr[16];
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snprintf(ipaddr, sizeof(ipaddr), "%d.%d.%d.%d",
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ipaddr1, ipaddr2, ipaddr3, ipaddr4);
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PeerHandle peer =
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PeerHandle(new Peer(ipaddr, port, pieceLength, totalLength));
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peers.push_back(peer);
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}
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}
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return peers;
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}
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