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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/>.
*
* --
*
* ZeroTier may be used and distributed under the terms of the GPLv3, which
* are available at: http://www.gnu.org/licenses/gpl-3.0.html
*
* If you would like to embed ZeroTier into a commercial application or
* redistribute it in a modified binary form, please contact ZeroTier Networks
* LLC. Start here: http://www.zerotier.com/
*/
#ifndef ZT_CLUSTERGEOIPSERVICE_HPP
#define ZT_CLUSTERGEOIPSERVICE_HPP
#ifdef ZT_ENABLE_CLUSTER
#include <vector>
#include <map>
#include <string>
#include "../node/Constants.hpp"
#include "../node/InetAddress.hpp"
#include "../node/Mutex.hpp"
#include "../osdep/Thread.hpp"
namespace ZeroTier {
/**
* Runs the Cluster GeoIP service in the background and resolves geoIP queries
*/
class ClusterGeoIpService
{
public:
/**
* @param pathToExe Path to cluster geo-resolution service executable
*/
ClusterGeoIpService(const char *pathToExe);
~ClusterGeoIpService();
/**
* Attempt to locate an IP
*
* This returns true if x, y, and z are set. Otherwise it returns false
* and a geo-locate job is ordered in the background. This usually takes
* 500-1500ms to complete, after which time results will be available.
* If false is returned the supplied coordinate variables are unchanged.
*
* @param ip IPv4 or IPv6 address
* @param x Reference to variable to receive X
* @param y Reference to variable to receive Y
* @param z Reference to variable to receive Z
* @return True if coordinates were set
*/
bool locate(const InetAddress &ip,int &x,int &y,int &z);
void threadMain()
throw();
private:
const std::string _pathToExe;
int _sOutputFd;
int _sInputFd;
volatile long _sPid;
volatile bool _run;
Thread _thread;
Mutex _sOutputLock;
struct _CE { uint64_t ts; int x,y,z; };
std::map< InetAddress,_CE > _cache;
Mutex _cache_m;
};
} // namespace ZeroTier
#endif // ZT_ENABLE_CLUSTER
#endif
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