node_cache.h
/*
* 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;
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;
};
}
dht::Hash< HASH_LEN >
dht::SockAddr
Definition: sockaddr.h:55
dht
Definition: callbacks.h:34
dht::NodeCache
Definition: node_cache.h:28
dht::NodeCache::clearBadNodes
void clearBadNodes(sa_family_t family=0)