/usr/include/opendht/node_cache.h is in libopendht-dev 1.6.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | /*
* Copyright (C) 2014-2017 Savoir-faire Linux Inc.
* Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.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 3 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, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "node.h"
#include <list>
#include <memory>
namespace dht {
struct NodeCache {
Sp<Node> getNode(const InfoHash& id, sa_family_t family);
Sp<Node> getNode(const InfoHash& id, const SockAddr&, time_point now, bool confirmed, bool client=false);
std::vector<Sp<Node>> getCachedNodes(const InfoHash& id, sa_family_t sa_f, size_t count) const;
/**
* Reset the connectivity state of every node,
* Giving them a new chance if they where expired.
* To use in case of connectivity change etc.
*/
void clearBadNodes(sa_family_t family = 0);
~NodeCache();
private:
class NodeMap : public std::map<InfoHash, std::weak_ptr<Node>> {
public:
Sp<Node> getNode(const InfoHash& id);
Sp<Node> getNode(const InfoHash& id, const SockAddr&, time_point now, bool confirmed, bool client);
void clearBadNodes();
void setExpired();
};
const NodeMap& cache(sa_family_t af) const { return af == AF_INET ? cache_4 : cache_6; }
NodeMap& cache(sa_family_t af) { return af == AF_INET ? cache_4 : cache_6; }
NodeMap cache_4;
NodeMap cache_6;
};
}
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