ZeroTierOne/osnet/WindowsEthernetTapFactory.hpp

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/*
* 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 <http://www.gnu.org/licenses/>.
*
* --
*
* 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_WINDOWSETHERNETTAPFACTORY_HPP
#define ZT_WINDOWSETHERNETTAPFACTORY_HPP
#include <vector>
#include <string>
#include "../node/EthernetTapFactory.hpp"
#include "../node/Mutex.hpp"
namespace ZeroTier {
class WindowsEthernetTapFactory : public EthernetTapFactory
{
public:
class Env
{
public:
Env();
BOOL is64Bit; // true if WIN64 or WoW64 (32-bit binary on 64-bit architecture)
const char *devcon; // name of devcon binary in pathToHelpers to use
const char *tapDriver; // relative path to driver under pathToHelpers to use
};
/**
* Constants related to Windows environment, computed on program start
*/
static const Env WINENV;
/**
* @param pathToHelpers Path to devcon32.exe, devcon64.exe, and other required helper binaries (ZeroTier running directory)
*/
WindowsEthernetTapFactory(const char *pathToHelpers);
virtual ~WindowsEthernetTapFactory();
virtual EthernetTap *open(
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 void close(EthernetTap *tap,bool destroyPersistentDevices);
/**
* Uninstalls all persistent tap devices in the system belonging to ZeroTier
*
* This is for uninstallation. Do not call this while tap devices are active.
*/
static void destroyAllPersistentTapDevices(const char *pathToHelpers);
private:
static void _deletePersistentTapDevice(const char *pathToHelpers,const char *instanceId);
std::string _pathToHelpers;
std::vector<EthernetTap *> _devices;
Mutex _devices_m;
};
} // namespace ZeroTier
#endif