osnet -> osdep

osdep/WindowsEthernetTap.hpp

@@ -0,0 +1,115 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2015  ZeroTier, Inc.
+ *
+ * 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_WINDOWSETHERNETTAP_HPP
+#define ZT_WINDOWSETHERNETTAP_HPP
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <ifdef.h>
+
+#include <string>
+#include <queue>
+#include <stdexcept>
+
+#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<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 bool updateMulticastGroups(std::set<MulticastGroup> &groups);
+	virtual bool injectPacketFromHost(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len);
+
+	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
+	std::vector<std::string> _getRegistryIPv4Value(const char *regKey);
+	void _setRegistryIPv4Value(const char *regKey,const std::vector<std::string> &value);
+
+	void (*_handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &);
+	void *_arg;
+	uint64_t _nwid;
+	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<char,ZT_IF_MTU + 32>,unsigned int > > _injectPending;
+	Mutex _injectPending_m;
+
+	std::string _pathToHelpers;
+
+	volatile bool _run;
+	volatile bool _initialized;
+	volatile bool _enabled;
+};
+
+} // namespace ZeroTier
+
+#endif