mirror of
https://github.com/zerotier/ZeroTierOne.git
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110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
/*
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* Copyright (c)2019 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2023-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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#include "DB.hpp"
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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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#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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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 bool save(nlohmann::json &record,bool notifyListeners);
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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 _membersWatcher_Reids();
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void _networksWatcher_Redis();
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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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const Identity _myId;
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const Address _myAddress;
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std::string _myAddressStr;
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std::string _connString;
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BlockingQueue< std::pair<nlohmann::json,bool> > _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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} // namespace ZeroTier
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#endif // ZT_CONTROLLER_LIBPQ_HPP
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#endif // ZT_CONTROLLER_USE_LIBPQ
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