mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2024-12-19 04:57:53 +00:00
94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
/*
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* Copyright (c)2019 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2023-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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#ifndef ZT_ETHERNETTAP_HPP
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#define ZT_ETHERNETTAP_HPP
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#include "../node/Constants.hpp"
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#include "../node/MAC.hpp"
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#include "../node/InetAddress.hpp"
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#include "../node/MulticastGroup.hpp"
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#include "ManagedRoute.hpp"
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#include <string>
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#include <memory>
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#include <vector>
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#include <mutex>
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#include <map>
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namespace ZeroTier {
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class EthernetTap
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{
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public:
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static std::shared_ptr<EthernetTap> newInstance(
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const char *tapDeviceType, // OS-specific, NULL for default
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const char *homePath,
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const MAC &mac,
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unsigned int mtu,
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unsigned int metric,
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uint64_t nwid,
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const char *friendlyName,
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void (*handler)(void *,void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *,unsigned int),
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void *arg);
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EthernetTap();
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virtual ~EthernetTap();
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virtual void setEnabled(bool en) = 0;
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virtual bool enabled() const = 0;
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virtual bool addIp(const InetAddress &ip) = 0;
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virtual bool addIps(std::vector<InetAddress> ips); // uses addIp() unless overridden
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virtual bool removeIp(const InetAddress &ip) = 0;
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virtual std::vector<InetAddress> ips() const = 0;
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virtual void put(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len) = 0;
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virtual std::string deviceName() const = 0;
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virtual std::string routingDeviceName() const;
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virtual void setFriendlyName(const char *friendlyName) = 0;
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virtual void scanMulticastGroups(std::vector<MulticastGroup> &added,std::vector<MulticastGroup> &removed) = 0;
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virtual void setMtu(unsigned int mtu) = 0;
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ZT_ALWAYS_INLINE int addRoute(const InetAddress &target,const InetAddress &via,const unsigned int metric)
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{
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const std::string dn(this->routingDeviceName());
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const char *const dnp = (dn.length() > 0) ? dn.c_str() : (const char *)0;
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std::lock_guard<std::mutex> l(_managedRoutes_l);
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_managedRoutes[std::pair<InetAddress,unsigned int>(target,metric)] = std::shared_ptr<ManagedRoute>(new ManagedRoute(target,via,dnp));
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return 0;
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}
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ZT_ALWAYS_INLINE int removeRoute(const InetAddress &target,const InetAddress &via,const unsigned int metric)
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{
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std::lock_guard<std::mutex> l(_managedRoutes_l);
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_managedRoutes.erase(std::pair<InetAddress,unsigned int>(target,metric));
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return 0;
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}
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ZT_ALWAYS_INLINE int syncRoutes()
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{
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std::lock_guard<std::mutex> l(_managedRoutes_l);
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for(auto r=_managedRoutes.begin();r!=_managedRoutes.end();++r) {
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r->second->sync();
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}
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return 0;
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}
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private:
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std::map< std::pair<InetAddress,unsigned int>,std::shared_ptr<ManagedRoute> > _managedRoutes;
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std::mutex _managedRoutes_l;
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};
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} // namespace ZeroTier
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#endif
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