DRAFT: CV2 db schema support

controller/CV1.hpp

@@ -0,0 +1,144 @@
+/*
+ * Copyright (c)2019 ZeroTier, Inc.
+ *
+ * Use of this software is governed by the Business Source License included
+ * in the LICENSE.TXT file in the project's root directory.
+ *
+ * Change Date: 2026-01-01
+ *
+ * On the date above, in accordance with the Business Source License, use
+ * of this software will be governed by version 2.0 of the Apache License.
+ */
+/****/
+
+#include "DB.hpp"
+
+#ifdef ZT_CONTROLLER_USE_LIBPQ
+
+#ifndef ZT_CONTROLLER_CV1_HPP
+#define ZT_CONTROLLER_CV1_HPP
+
+#define ZT_CENTRAL_CONTROLLER_COMMIT_THREADS 4
+
+#include "ConnectionPool.hpp"
+#include <pqxx/pqxx>
+
+#include <memory>
+#include <redis++/redis++.h>
+
+#include "../node/Metrics.hpp"
+
+#include "PostgreSQL.hpp"
+
+
+namespace smeeclient {
+	struct SmeeClient;
+}
+
+namespace ZeroTier {
+
+struct RedisConfig;
+
+/**
+ * A controller database driver that talks to  PostgreSQL
+ *
+ * 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 CV1 : public DB
+{
+public:
+	CV1(const Identity &myId, const char *path, int listenPort, RedisConfig *rc);
+	virtual ~CV1();
+
+	virtual bool waitForReady();
+	virtual bool isReady();
+	virtual bool save(nlohmann::json &record,bool notifyListeners);
+	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);
+	virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress, const char *osArch);
+	virtual AuthInfo getSSOAuthInfo(const nlohmann::json &member, const std::string &redirectURL);
+
+	virtual bool ready() {
+		return _ready == 2;
+	}
+
+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); }
+	};
+	virtual void _memberChanged(nlohmann::json &old,nlohmann::json &memberConfig,bool notifyListeners) {
+		DB::_memberChanged(old, memberConfig, notifyListeners);
+	}
+
+	virtual void _networkChanged(nlohmann::json &old,nlohmann::json &networkConfig,bool notifyListeners) {
+		DB::_networkChanged(old, networkConfig, notifyListeners);
+	}
+
+private:
+	void initializeNetworks();
+	void initializeMembers();
+	void heartbeat();
+	void membersDbWatcher();
+	void _membersWatcher_Postgres();
+	void networksDbWatcher();
+	void _networksWatcher_Postgres();
+
+	void _membersWatcher_Redis();
+	void _networksWatcher_Redis();
+
+	void commitThread();
+	void onlineNotificationThread();
+	void onlineNotification_Postgres();
+	void onlineNotification_Redis();
+	uint64_t _doRedisUpdate(sw::redis::Transaction &tx, std::string &controllerId,
+		std::unordered_map< std::pair<uint64_t,uint64_t>,NodeOnlineRecord,_PairHasher > &lastOnline);
+
+	void configureSmee();
+	void notifyNewMember(const std::string &networkID, const std::string &memberID);
+
+	enum OverrideMode {
+		ALLOW_PGBOUNCER_OVERRIDE = 0,
+		NO_OVERRIDE = 1
+	};
+
+	std::shared_ptr<ConnectionPool<PostgresConnection> > _pool;
+
+	const Identity _myId;
+	const Address _myAddress;
+	std::string _myAddressStr;
+	std::string _connString;
+
+	BlockingQueue< std::pair<nlohmann::json,bool> > _commitQueue;
+
+	std::thread _heartbeatThread;
+	std::thread _membersDbWatcher;
+	std::thread _networksDbWatcher;
+	std::thread _commitThread[ZT_CENTRAL_CONTROLLER_COMMIT_THREADS];
+	std::thread _onlineNotificationThread;
+
+	std::unordered_map< std::pair<uint64_t,uint64_t>,NodeOnlineRecord,_PairHasher > _lastOnline;
+
+	mutable std::mutex _lastOnline_l;
+	mutable std::mutex _readyLock;
+	std::atomic<int> _ready, _connected, _run;
+	mutable volatile bool _waitNoticePrinted;
+
+	int _listenPort;
+	uint8_t _ssoPsk[48];
+
+	RedisConfig *_rc;
+	std::shared_ptr<sw::redis::Redis> _redis;
+	std::shared_ptr<sw::redis::RedisCluster> _cluster;
+    bool _redisMemberStatus;
+
+	smeeclient::SmeeClient *_smee;
+};
+
+} // namespace ZeroTier
+
+#endif // ZT_CONTROLLER_CV1_HPP
+
+#endif // ZT_CONTROLLER_USE_LIBPQ