aria2/src/CompactPeerListProcessor.cc

70 lines
2.4 KiB
C++

/*
* 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 --> */
#include "CompactPeerListProcessor.h"
#include "a2netcompat.h"
#include "bencode.h"
#include "Peer.h"
namespace aria2 {
CompactPeerListProcessor::CompactPeerListProcessor() {}
CompactPeerListProcessor::~CompactPeerListProcessor() {}
bool CompactPeerListProcessor::canHandle(const bencode::BDE& peerData) const
{
return peerData.isString();
}
void CompactPeerListProcessor::extractPeer
(std::deque<SharedHandle<Peer> >& peers, const bencode::BDE& peerData)
{
if(!canHandle(peerData)) {
return;
}
size_t length = peerData.s().size();
if(length%6 == 0) {
for(size_t i = 0; i < length; i += 6) {
struct in_addr in;
in.s_addr = *(uint32_t*)(peerData.s().c_str()+i);
std::string ipaddr = inet_ntoa(in);
uint16_t port = ntohs(*(uint16_t*)(peerData.s().c_str()+i+4));
PeerHandle peer(new Peer(ipaddr, port));
peers.push_back(peer);
}
}
}
} // namespace aria2