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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_DBMIRRORSET_HPP
#define ZT_DBMIRRORSET_HPP
#include "DB.hpp"
#include <vector>
#include <memory>
#include <mutex>
#include <set>
#include <thread>
namespace ZeroTier {
class DBMirrorSet : public DB::ChangeListener
{
public:
DBMirrorSet(DB::ChangeListener *listener);
virtual ~DBMirrorSet();
bool hasNetwork(const uint64_t networkId) const;
bool get(const uint64_t networkId,nlohmann::json &network);
bool get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member);
bool get(const uint64_t networkId,nlohmann::json &network,const uint64_t memberId,nlohmann::json &member,DB::NetworkSummaryInfo &info);
bool get(const uint64_t networkId,nlohmann::json &network,std::vector<nlohmann::json> &members);
void networks(std::set<uint64_t> &networks);
bool waitForReady();
bool isReady();
bool save(nlohmann::json &record,bool notifyListeners);
void eraseNetwork(const uint64_t networkId);
void eraseMember(const uint64_t networkId,const uint64_t memberId);
void nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress);
// These are called by various DB instances when changes occur.
virtual void onNetworkUpdate(const void *db,uint64_t networkId,const nlohmann::json &network);
virtual void onNetworkMemberUpdate(const void *db,uint64_t networkId,uint64_t memberId,const nlohmann::json &member);
virtual void onNetworkMemberDeauthorize(const void *db,uint64_t networkId,uint64_t memberId);
inline void addDB(const std::shared_ptr<DB> &db)
{
db->addListener(this);
std::lock_guard<std::mutex> l(_dbs_l);
_dbs.push_back(db);
}
private:
DB::ChangeListener *const _listener;
std::atomic_bool _running;
std::thread _syncCheckerThread;
std::vector< std::shared_ptr< DB > > _dbs;
mutable std::mutex _dbs_l;
};
} // namespace ZeroTier
#endif
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