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/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2015 ZeroTier, Inc.
*
* 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/>.
*/
#ifndef ZT_CONTROLLER_DB_HPP
#define ZT_CONTROLLER_DB_HPP
#include "../node/Constants.hpp"
#include "../node/Identity.hpp"
#include "../node/InetAddress.hpp"
#include "../osdep/OSUtils.hpp"
#include "../osdep/BlockingQueue.hpp"
#include <memory>
#include <string>
#include <thread>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <atomic>
#include "../ext/json/json.hpp"
#define ZT_CONTROLLER_RETHINKDB_COMMIT_THREADS 2
namespace ZeroTier
{
class EmbeddedNetworkController;
/**
* Base class with common infrastructure for all controller DB implementations
*/
class DB
{
public:
struct NetworkSummaryInfo
{
NetworkSummaryInfo() : authorizedMemberCount(0),totalMemberCount(0),mostRecentDeauthTime(0) {}
std::vector<Address> activeBridges;
std::vector<InetAddress> allocatedIps;
unsigned long authorizedMemberCount;
unsigned long totalMemberCount;
int64_t mostRecentDeauthTime;
};
DB(EmbeddedNetworkController *const nc,const Identity &myId,const char *path);
virtual ~DB();
virtual bool waitForReady() = 0;
inline bool hasNetwork(const uint64_t networkId) const
{
std::lock_guard<std::mutex> l(_networks_l);
return (_networks.find(networkId) != _networks.end());
}
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,NetworkSummaryInfo &info);
bool get(const uint64_t networkId,nlohmann::json &network,std::vector<nlohmann::json> &members);
bool summary(const uint64_t networkId,NetworkSummaryInfo &info);
void networks(std::vector<uint64_t> &networks);
virtual void save(nlohmann::json *orig,nlohmann::json &record) = 0;
virtual void eraseNetwork(const uint64_t networkId) = 0;
virtual void eraseMember(const uint64_t networkId,const uint64_t memberId) = 0;
virtual void nodeIsOnline(const uint64_t networkId,const uint64_t memberId,const InetAddress &physicalAddress) = 0;
protected:
struct _Network
{
_Network() : mostRecentDeauthTime(0) {}
nlohmann::json config;
std::unordered_map<uint64_t,nlohmann::json> members;
std::unordered_set<uint64_t> activeBridgeMembers;
std::unordered_set<uint64_t> authorizedMembers;
std::unordered_set<InetAddress,InetAddress::Hasher> allocatedIps;
int64_t mostRecentDeauthTime;
std::mutex lock;
};
void _memberChanged(nlohmann::json &old,nlohmann::json &member,bool push);
void _networkChanged(nlohmann::json &old,nlohmann::json &network,bool push);
void _fillSummaryInfo(const std::shared_ptr<_Network> &nw,NetworkSummaryInfo &info);
EmbeddedNetworkController *const _controller;
const Identity _myId;
const Address _myAddress;
const std::string _path;
std::string _myAddressStr;
std::unordered_map< uint64_t,std::shared_ptr<_Network> > _networks;
std::unordered_multimap< uint64_t,uint64_t > _networkByMember;
mutable std::mutex _networks_l;
};
} // namespace ZeroTier
#endif
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