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/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2018 ZeroTier, Inc.
*
* 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 <http://www.gnu.org/licenses/>.
*/
#ifdef ZT_CONTROLLER_USE_RETHINKDB
#ifndef ZT_CONTROLLER_RETHINKDB_HPP
#define ZT_CONTROLLER_RETHINKDB_HPP
#include "DB.hpp"
#define ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS 4
namespace ZeroTier
{
/**
* A controller database driver that talks to RethinkDB
*
* This is for use with ZeroTier Central. Others are free to build and use it
* but be aware that we might change it at any time.
*/
class RethinkDB : public DB
{
public:
RethinkDB(EmbeddedNetworkController *const nc,const Identity &myId,const char *path);
virtual ~RethinkDB();
virtual bool waitForReady();
virtual void save(nlohmann::json *orig,nlohmann::json &record);
virtual void eraseNetwork(const uint64_t networkId);
virtual void eraseMember(const uint64_t networkId,const uint64_t memberId);
virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress);
protected:
struct _PairHasher
{
inline std::size_t operator()(const std::pair<uint64_t,uint64_t> &p) const { return (std::size_t)(p.first ^ p.second); }
};
std::string _host;
std::string _db;
std::string _auth;
int _port;
void *_networksDbWatcherConnection;
void *_membersDbWatcherConnection;
std::thread _networksDbWatcher;
std::thread _membersDbWatcher;
BlockingQueue< nlohmann::json * > _commitQueue;
std::thread _commitThread[ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS];
std::unordered_map< std::pair<uint64_t,uint64_t>,std::pair<int64_t,InetAddress>,_PairHasher > _lastOnline;
mutable std::mutex _lastOnline_l;
std::thread _onlineNotificationThread;
std::thread _heartbeatThread;
mutable std::mutex _readyLock; // locked until ready
std::atomic<int> _ready;
std::atomic<int> _run;
mutable volatile bool _waitNoticePrinted;
};
} // namespace ZeroTier
#endif
#endif // ZT_CONTROLLER_USE_RETHINKDB
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