/* * ZeroTier One - Global Peer to Peer Ethernet * Copyright (C) 2011-2014 ZeroTier Networks LLC * * 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 . * * -- * * 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_WINDOWSETHERNETTAP_HPP #define ZT_WINDOWSETHERNETTAP_HPP #include #include #include #include #include #include #include "../node/Constants.hpp" #include "../node/EthernetTap.hpp" #include "../node/Mutex.hpp" #include "../node/Thread.hpp" #include "../node/Array.hpp" #include "../node/MulticastGroup.hpp" namespace ZeroTier { class WindowsEthernetTap : public EthernetTap { public: WindowsEthernetTap( const char *pathToHelpers, const MAC &mac, unsigned int mtu, unsigned int metric, uint64_t nwid, const char *desiredDevice, const char *friendlyName, void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &), void *arg); virtual ~WindowsEthernetTap(); virtual void setEnabled(bool en); virtual bool enabled() const; virtual bool addIP(const InetAddress &ip); virtual bool removeIP(const InetAddress &ip); virtual std::set 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 bool updateMulticastGroups(std::set &groups); virtual bool createPseudoDefaultRoute() const; inline const NET_LUID &luid() const { return _deviceLuid; } inline const GUID &guid() const { return _deviceGuid; } inline const std::string &instanceId() const { return _deviceInstanceId; } void threadMain() throw(); private: bool _disableTapDevice(); bool _enableTapDevice(); NET_IFINDEX _getDeviceIndex(); // throws on failure void (*_handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &); void *_arg; Thread _thread; volatile HANDLE _tap; HANDLE _injectSemaphore; GUID _deviceGuid; NET_LUID _deviceLuid; std::string _netCfgInstanceId; // NetCfgInstanceId, a GUID std::string _deviceInstanceId; // DeviceInstanceID, another kind of "instance ID" std::queue< std::pair< Array,unsigned int > > _injectPending; Mutex _injectPending_m; std::string _pathToHelpers; volatile bool _run; volatile bool _initialized; volatile bool _enabled; }; } // namespace ZeroTier #endif