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/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2019 ZeroTier, Inc. https://www.zerotier.com/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* --
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial closed-source software that incorporates or links
* directly against ZeroTier software without disclosing the source code
* of your own application.
*/
#ifndef ZT_CONTROLLER_LFDB_HPP
#define ZT_CONTROLLER_LFDB_HPP
#include "DB.hpp"
#include <mutex>
#include <string>
#include <unordered_map>
#include <atomic>
namespace ZeroTier {
/**
* DB implementation for controller that stores data in LF
*/
class LFDB : public DB
{
public:
/**
* @param nc Network controller
* @param myId Identity of controller node (with secret)
* @param path Base path for ZeroTier node itself
* @param lfOwnerPrivate LF owner private in PEM format
* @param lfOwnerPublic LF owner public in @base62 format
* @param lfNodeHost LF node host
* @param lfNodePort LF node http (not https) port
* @param storeOnlineState If true, store online/offline state and IP info in LF (a lot of data, only for private networks!)
*/
LFDB(EmbeddedNetworkController *const nc,const Identity &myId,const char *path,const char *lfOwnerPrivate,const char *lfOwnerPublic,const char *lfNodeHost,int lfNodePort,bool storeOnlineState);
virtual ~LFDB();
virtual bool waitForReady();
virtual bool isReady();
virtual void save(nlohmann::json *orig,nlohmann::json &record);
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);
protected:
EmbeddedNetworkController *const _nc;
const Identity _myId;
std::string _lfOwnerPrivate;
std::string _lfOwnerPublic;
std::string _lfNodeHost;
int _lfNodePort;
struct _MemberState
{
InetAddress lastOnlineAddress;
int64_t lastOnlineTime;
bool dirty;
bool lastOnlineDirty;
};
struct _NetworkState
{
std::unordered_map<uint64_t,_MemberState> members;
bool dirty;
};
std::unordered_map<uint64_t,_NetworkState> _state;
std::mutex _state_l;
std::atomic_bool _running;
std::atomic_bool _ready;
std::thread _syncThread;
bool _storeOnlineState;
};
} // namespace ZeroTier
#endif
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