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107 lines
3.2 KiB
107 lines
3.2 KiB
/* |
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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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/** |
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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(EmbeddedNetworkController *const nc, const Identity &myId, const char *path); |
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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 networksDbWatcher(); |
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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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}; |
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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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