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/* <!-- 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 --> */
#include "DHTPeerAnnounceEntry.h"
#include <cstring>
#include <algorithm>
#include "Peer.h"
#include "PeerStorage.h"
namespace aria2 {
DHTPeerAnnounceEntry::DHTPeerAnnounceEntry(const unsigned char* infoHash)
{
memcpy(_infoHash, infoHash, DHT_ID_LENGTH);
}
DHTPeerAnnounceEntry::~DHTPeerAnnounceEntry() {}
void DHTPeerAnnounceEntry::addPeerAddrEntry(const PeerAddrEntry& entry)
{
std::deque<PeerAddrEntry>::iterator i = std::find(_peerAddrEntries.begin(), _peerAddrEntries.end(), entry);
if(i == _peerAddrEntries.end()) {
_peerAddrEntries.push_back(entry);
} else {
(*i).notifyUpdate();
}
notifyUpdate();
}
void DHTPeerAnnounceEntry::clearLocal()
{
_peerStorage.reset();
}
void DHTPeerAnnounceEntry::setPeerStorage
(const SharedHandle<PeerStorage>& peerStorage)
{
_peerStorage = peerStorage;
}
size_t DHTPeerAnnounceEntry::countPeerAddrEntry() const
{
return _peerAddrEntries.size();
}
class FindStaleEntry {
private:
time_t _timeout;
public:
FindStaleEntry(time_t timeout):_timeout(timeout) {}
bool operator()(const PeerAddrEntry& entry) const
{
if(entry.getLastUpdated().elapsed(_timeout)) {
return true;
} else {
return false;
}
}
};
void DHTPeerAnnounceEntry::removeStalePeerAddrEntry(time_t timeout)
{
_peerAddrEntries.erase(std::remove_if(_peerAddrEntries.begin(), _peerAddrEntries.end(),
FindStaleEntry(timeout)), _peerAddrEntries.end());
}
bool DHTPeerAnnounceEntry::empty() const
{
return _peerAddrEntries.empty() && _peerStorage.isNull();
}
void DHTPeerAnnounceEntry::getPeers(std::deque<SharedHandle<Peer> >& peers) const
{
for(std::deque<PeerAddrEntry>::const_iterator i = _peerAddrEntries.begin();
i != _peerAddrEntries.end(); ++i) {
SharedHandle<Peer> peer(new Peer((*i).getIPAddress(), (*i).getPort()));
peers.push_back(peer);
}
if(!_peerStorage.isNull()) {
_peerStorage->getActivePeers(peers);
}
}
void DHTPeerAnnounceEntry::notifyUpdate()
{
_lastUpdated.reset();
}
} // namespace aria2
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