ZeroTierOne/osdep/LinuxEthernetTap.hpp

78 lines
2.0 KiB
C++

/*
* Copyright (c)2019 ZeroTier, Inc.
*
* 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: 2023-01-01
*
* 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.
*/
/****/
#ifndef ZT_LINUXETHERNETTAP_HPP
#define ZT_LINUXETHERNETTAP_HPP
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <vector>
#include <stdexcept>
#include <atomic>
#include "../node/MulticastGroup.hpp"
#include "Thread.hpp"
#include "EthernetTap.hpp"
namespace ZeroTier {
class LinuxEthernetTap : public EthernetTap
{
public:
LinuxEthernetTap(
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 ~LinuxEthernetTap();
virtual void setEnabled(bool en);
virtual bool enabled() const;
virtual bool addIp(const InetAddress &ip);
virtual bool addIps(std::vector<InetAddress> ips);
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);
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;
int _fd;
int _shutdownSignalPipe[2];
std::atomic_bool _enabled;
};
} // namespace ZeroTier
#endif