mirror of https://github.com/aria2/aria2
114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
/* <!-- copyright */
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/*
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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 "DHTPeerAnnounceEntry.h"
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#include <cstring>
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#include <algorithm>
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#include "Peer.h"
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#include "wallclock.h"
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namespace aria2 {
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DHTPeerAnnounceEntry::DHTPeerAnnounceEntry(const unsigned char* infoHash)
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{
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memcpy(infoHash_, infoHash, DHT_ID_LENGTH);
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}
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DHTPeerAnnounceEntry::~DHTPeerAnnounceEntry() {}
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void DHTPeerAnnounceEntry::addPeerAddrEntry(const PeerAddrEntry& entry)
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{
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std::vector<PeerAddrEntry>::iterator i =
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std::find(peerAddrEntries_.begin(), peerAddrEntries_.end(), entry);
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if(i == peerAddrEntries_.end()) {
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peerAddrEntries_.push_back(entry);
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} else {
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(*i).notifyUpdate();
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}
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notifyUpdate();
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}
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size_t DHTPeerAnnounceEntry::countPeerAddrEntry() const
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{
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return peerAddrEntries_.size();
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}
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namespace {
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class FindStaleEntry {
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private:
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time_t timeout_;
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public:
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FindStaleEntry(time_t timeout):timeout_(timeout) {}
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bool operator()(const PeerAddrEntry& entry) const
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{
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if(entry.getLastUpdated().difference(global::wallclock()) >= timeout_) {
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return true;
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} else {
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return false;
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}
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}
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};
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} // namespace
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void DHTPeerAnnounceEntry::removeStalePeerAddrEntry(time_t timeout)
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{
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peerAddrEntries_.erase(std::remove_if(peerAddrEntries_.begin(), peerAddrEntries_.end(),
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FindStaleEntry(timeout)), peerAddrEntries_.end());
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}
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bool DHTPeerAnnounceEntry::empty() const
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{
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return peerAddrEntries_.empty();
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}
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void DHTPeerAnnounceEntry::getPeers
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(std::vector<SharedHandle<Peer> >& peers) const
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{
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for(std::vector<PeerAddrEntry>::const_iterator i = peerAddrEntries_.begin(),
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eoi = peerAddrEntries_.end(); i != eoi; ++i) {
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SharedHandle<Peer> peer(new Peer((*i).getIPAddress(), (*i).getPort()));
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peers.push_back(peer);
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}
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}
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void DHTPeerAnnounceEntry::notifyUpdate()
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{
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lastUpdated_ = global::wallclock();
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}
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} // namespace aria2
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