mirror of
https://github.com/zerotier/ZeroTierOne.git
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118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
/*
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* ZeroTier One - Network Virtualization Everywhere
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* Copyright (C) 2011-2019 ZeroTier, Inc. https://www.zerotier.com/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* --
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*
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* You can be released from the requirements of the license by purchasing
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* a commercial license. Buying such a license is mandatory as soon as you
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* develop commercial closed-source software that incorporates or links
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* directly against ZeroTier software without disclosing the source code
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* of your own application.
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*/
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#ifdef ZT_CONTROLLER_USE_LIBPQ
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#ifndef ZT_CONTROLLER_LIBPQ_HPP
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#define ZT_CONTROLLER_LIBPQ_HPP
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#include "DB.hpp"
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#define ZT_CENTRAL_CONTROLLER_COMMIT_THREADS 4
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extern "C" {
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typedef struct pg_conn PGconn;
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}
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namespace ZeroTier
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{
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struct MQConfig;
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/**
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* A controller database driver that talks to PostgreSQL
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*
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* This is for use with ZeroTier Central. Others are free to build and use it
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* but be aware taht we might change it at any time.
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*/
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class PostgreSQL : public DB
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{
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public:
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PostgreSQL(const Identity &myId, const char *path, int listenPort, MQConfig *mqc = NULL);
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virtual ~PostgreSQL();
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virtual bool waitForReady();
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virtual bool isReady();
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virtual void save(nlohmann::json *orig, nlohmann::json &record);
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virtual void eraseNetwork(const uint64_t networkId);
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virtual void eraseMember(const uint64_t networkId, const uint64_t memberId);
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virtual void nodeIsOnline(const uint64_t networkId, const uint64_t memberId, const InetAddress &physicalAddress);
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protected:
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struct _PairHasher
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{
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inline std::size_t operator()(const std::pair<uint64_t,uint64_t> &p) const { return (std::size_t)(p.first ^ p.second); }
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};
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private:
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void initializeNetworks(PGconn *conn);
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void initializeMembers(PGconn *conn);
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void heartbeat();
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void membersDbWatcher();
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void _membersWatcher_Postgres(PGconn *conn);
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void _membersWatcher_RabbitMQ();
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void networksDbWatcher();
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void _networksWatcher_Postgres(PGconn *conn);
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void _networksWatcher_RabbitMQ();
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void commitThread();
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void onlineNotificationThread();
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enum OverrideMode {
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ALLOW_PGBOUNCER_OVERRIDE = 0,
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NO_OVERRIDE = 1
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};
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PGconn * getPgConn( OverrideMode m = ALLOW_PGBOUNCER_OVERRIDE );
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std::string _connString;
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BlockingQueue<nlohmann::json *> _commitQueue;
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std::thread _heartbeatThread;
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std::thread _membersDbWatcher;
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std::thread _networksDbWatcher;
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std::thread _commitThread[ZT_CENTRAL_CONTROLLER_COMMIT_THREADS];
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std::thread _onlineNotificationThread;
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std::unordered_map< std::pair<uint64_t,uint64_t>,std::pair<int64_t,InetAddress>,_PairHasher > _lastOnline;
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mutable std::mutex _lastOnline_l;
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mutable std::mutex _readyLock;
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std::atomic<int> _ready, _connected, _run;
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mutable volatile bool _waitNoticePrinted;
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int _listenPort;
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MQConfig *_mqc;
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};
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}
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#endif // ZT_CONTROLLER_LIBPQ_HPP
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#endif // ZT_CONTROLLER_USE_LIBPQ
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