ZeroTierOne/osdep/MacKextEthernetTap.hpp

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/*
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* Copyright (c)2019 ZeroTier, Inc.
*
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* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
*
* Change Date: 2026-01-01
*
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* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
*/
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/****/
#ifndef ZT_MacKextEthernetTap_HPP
#define ZT_MacKextEthernetTap_HPP
#include <stdio.h>
#include <stdlib.h>
#include <stdexcept>
#include <string>
#include <vector>
#include <thread>
#include "../node/Constants.hpp"
#include "../node/MAC.hpp"
#include "../node/InetAddress.hpp"
#include "../node/MulticastGroup.hpp"
#include "Thread.hpp"
#include "EthernetTap.hpp"
namespace ZeroTier {
class MacKextEthernetTap : public EthernetTap
{
public:
MacKextEthernetTap(
const char *homePath,
const MAC &mac,
unsigned int mtu,
unsigned int metric,
uint64_t nwid,
const char *friendlyName,
void (*handler)(void *,void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *,unsigned int),
void *arg);
virtual ~MacKextEthernetTap();
virtual void setEnabled(bool en);
virtual bool enabled() const;
virtual bool addIp(const InetAddress &ip);
virtual bool removeIp(const InetAddress &ip);
virtual std::vector<InetAddress> ips() const;
virtual void put(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len);
virtual std::string deviceName() const;
virtual void setFriendlyName(const char *friendlyName);
virtual void scanMulticastGroups(std::vector<MulticastGroup> &added,std::vector<MulticastGroup> &removed);
virtual void setMtu(unsigned int mtu);
virtual void setDns(const char *domain, const std::vector<InetAddress> &servers);
void threadMain()
throw();
private:
void (*_handler)(void *,void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *,unsigned int);
void *_arg;
uint64_t _nwid;
Thread _thread;
std::string _homePath;
std::string _dev;
std::vector<MulticastGroup> _multicastGroups;
unsigned int _mtu;
unsigned int _metric;
int _fd;
int _shutdownSignalPipe[2];
volatile bool _enabled;
std::vector<std::thread> _rxThreads;
};
} // namespace ZeroTier
#endif