ZeroTierOne/osdep/LinuxEthernetTap.hpp
2024-09-26 08:52:29 -04:00

85 lines
2.5 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: 2026-01-01
*
* 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 "../node/MulticastGroup.hpp"
#include "BlockingQueue.hpp"
#include "EthernetTap.hpp"
#include <array>
#include <atomic>
#include <mutex>
#include <stdexcept>
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <thread>
#include <vector>
namespace ZeroTier {
class LinuxEthernetTap : public EthernetTap {
public:
LinuxEthernetTap(
const char* homePath,
unsigned int concurrency,
bool pinning,
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);
virtual void setDns(const char* domain, const std::vector<InetAddress>& servers)
{
}
private:
void (*_handler)(void*, void*, uint64_t, const MAC&, const MAC&, unsigned int, unsigned int, const void*, unsigned int);
void* _arg;
uint64_t _nwid;
MAC _mac;
std::string _homePath;
std::string _dev;
std::vector<MulticastGroup> _multicastGroups;
unsigned int _mtu;
int _fd;
int _shutdownSignalPipe[2];
std::atomic_bool _enabled;
std::atomic_bool _run;
mutable std::vector<InetAddress> _ifaddrs;
mutable uint64_t _lastIfAddrsUpdate;
std::vector<std::thread> _rxThreads;
};
} // namespace ZeroTier
#endif