mirror of
https://github.com/zerotier/ZeroTierOne.git
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148 lines
4.5 KiB
C++
148 lines
4.5 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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#ifndef ZT_CONTROLLER_DB_HPP
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#define ZT_CONTROLLER_DB_HPP
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#include "../node/Constants.hpp"
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#include "../node/Identity.hpp"
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#include "../node/InetAddress.hpp"
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#include "../osdep/OSUtils.hpp"
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#include "../osdep/BlockingQueue.hpp"
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#include <memory>
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#include <string>
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#include <thread>
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#include <unordered_map>
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#include <unordered_set>
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#include <vector>
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#include <atomic>
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#include <mutex>
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#include "../ext/json/json.hpp"
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namespace ZeroTier
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{
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class EmbeddedNetworkController;
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/**
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* Base class with common infrastructure for all controller DB implementations
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*/
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class DB
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{
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public:
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struct NetworkSummaryInfo
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{
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NetworkSummaryInfo() : authorizedMemberCount(0),totalMemberCount(0),mostRecentDeauthTime(0) {}
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std::vector<Address> activeBridges;
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std::vector<InetAddress> allocatedIps;
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unsigned long authorizedMemberCount;
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unsigned long totalMemberCount;
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int64_t mostRecentDeauthTime;
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};
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/**
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* Ensure that all network fields are present
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*/
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static void initNetwork(nlohmann::json &network);
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/**
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* Ensure that all member fields are present
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*/
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static void initMember(nlohmann::json &member);
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/**
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* Remove old and temporary network fields
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*/
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static void cleanNetwork(nlohmann::json &network);
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/**
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* Remove old and temporary member fields
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*/
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static void cleanMember(nlohmann::json &member);
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DB(EmbeddedNetworkController *const nc,const Identity &myId,const char *path);
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virtual ~DB();
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virtual bool waitForReady() = 0;
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virtual bool isReady() = 0;
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inline bool hasNetwork(const uint64_t networkId) const
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{
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std::lock_guard<std::mutex> l(_networks_l);
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return (_networks.find(networkId) != _networks.end());
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}
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bool get(const uint64_t networkId,nlohmann::json &network);
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bool get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member);
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bool get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member,NetworkSummaryInfo &info);
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bool get(const uint64_t networkId,nlohmann::json &network,std::vector<nlohmann::json> &members);
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bool summary(const uint64_t networkId,NetworkSummaryInfo &info);
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void networks(std::vector<uint64_t> &networks);
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virtual void save(nlohmann::json *orig,nlohmann::json &record) = 0;
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virtual void eraseNetwork(const uint64_t networkId) = 0;
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virtual void eraseMember(const uint64_t networkId,const uint64_t memberId) = 0;
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virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress) = 0;
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protected:
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struct _Network
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{
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_Network() : mostRecentDeauthTime(0) {}
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nlohmann::json config;
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std::unordered_map<uint64_t,nlohmann::json> members;
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std::unordered_set<uint64_t> activeBridgeMembers;
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std::unordered_set<uint64_t> authorizedMembers;
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std::unordered_set<InetAddress,InetAddress::Hasher> allocatedIps;
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int64_t mostRecentDeauthTime;
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std::mutex lock;
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};
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void _memberChanged(nlohmann::json &old,nlohmann::json &memberConfig,bool push);
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void _networkChanged(nlohmann::json &old,nlohmann::json &networkConfig,bool push);
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void _fillSummaryInfo(const std::shared_ptr<_Network> &nw,NetworkSummaryInfo &info);
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EmbeddedNetworkController *const _controller;
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const Identity _myId;
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const Address _myAddress;
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const std::string _path;
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std::string _myAddressStr;
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std::unordered_map< uint64_t,std::shared_ptr<_Network> > _networks;
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std::unordered_multimap< uint64_t,uint64_t > _networkByMember;
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mutable std::mutex _networks_l;
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};
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} // namespace ZeroTier
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#endif
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