/usr/include/libktorrent/dht/kbucketentry.h is in libktorrent-dev 1.3.1-5.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2012 by *
* Joris Guisson <joris.guisson@gmail.com> *
* *
* 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. *
***************************************************************************/
#ifndef DHT_KBUCKETENTRY_H
#define DHT_KBUCKETENTRY_H
#include <set>
#include <net/address.h>
#include <dht/key.h>
namespace dht
{
/**
* @author Joris Guisson
*
* Entry in a KBucket, it basically contains an ip_address of a node,
* the udp port of the node and a node_id.
*/
class KBucketEntry
{
public:
/**
* Constructor, sets everything to 0.
* @return
*/
KBucketEntry();
/**
* Constructor, set the ip, port and key
* @param addr socket address
* @param id ID of node
*/
KBucketEntry(const net::Address & addr, const Key & id);
/**
* Copy constructor.
* @param other KBucketEntry to copy
* @return
*/
KBucketEntry(const KBucketEntry & other);
/// Destructor
virtual ~KBucketEntry();
/**
* Assignment operator.
* @param other Node to copy
* @return this KBucketEntry
*/
KBucketEntry & operator = (const KBucketEntry & other);
/// Equality operator
bool operator == (const KBucketEntry & entry) const;
/// Get the socket address of the node
const net::Address & getAddress() const {return addr;}
/// Get it's ID
const Key & getID() const {return node_id;}
/// Is this node a good node
bool isGood() const;
/// Is this node questionable (haven't heard from it in the last 15 minutes)
bool isQuestionable() const;
/// Is it a bad node. (Hasn't responded to a query
bool isBad() const;
/// Signal the entry that the peer has responded
void hasResponded();
/// A request timed out
void requestTimeout() {failed_queries++;}
/// The entry has been pinged because it is questionable
void onPingQuestionable() {questionable_pings++;}
/// The null entry
static KBucketEntry null;
/// < operator
bool operator < (const KBucketEntry & entry) const;
private:
net::Address addr;
Key node_id;
bt::TimeStamp last_responded;
bt::Uint32 failed_queries;
bt::Uint32 questionable_pings;
};
class KBucketEntrySet : public std::set<KBucketEntry>
{
public:
KBucketEntrySet() {}
virtual ~KBucketEntrySet() {}
bool contains(const KBucketEntry & entry) const
{
return find(entry) != end();
}
};
}
#endif // DHT_KBUCKETENTRY_H
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