Shelve pcap-with-bridge OSX experiment -- apparently pcap_inject does not work with bridge devices. Still have to use a kext.

attic/OSXEthernetTap.hpp.pcap-with-bridge-test

@@ -0,0 +1,96 @@
+/*
+ * 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_OSXETHERNETTAP_HPP
+#define ZT_OSXETHERNETTAP_HPP
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <stdexcept>
+#include <string>
+#include <vector>
+
+#include "../node/Constants.hpp"
+#include "../node/MAC.hpp"
+#include "../node/InetAddress.hpp"
+#include "../node/MulticastGroup.hpp"
+
+#include "Thread.hpp"
+
+namespace ZeroTier {
+
+/**
+ * OSX Ethernet tap using ZeroTier kernel extension zt# devices
+ */
+class OSXEthernetTap
+{
+public:
+	OSXEthernetTap(
+		const char *homePath,
+		const MAC &mac,
+		unsigned int mtu,
+		unsigned int metric,
+		uint64_t nwid,
+		const char *friendlyName,
+		void (*handler)(void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *,unsigned int),
+		void *arg);
+
+	~OSXEthernetTap();
+
+	inline void setEnabled(bool en) { _enabled = en; }
+	inline bool enabled() const { return _enabled; }
+	bool addIp(const InetAddress &ip);
+	bool removeIp(const InetAddress &ip);
+	std::vector<InetAddress> ips() const;
+	void put(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len);
+	std::string deviceName() const;
+	void setFriendlyName(const char *friendlyName);
+	void scanMulticastGroups(std::vector<MulticastGroup> &added,std::vector<MulticastGroup> &removed);
+
+	void threadMain()
+		throw();
+
+	// Private members of OSXEthernetTap have public visibility to be accessable
+	// from an internal bounce function; don't modify directly.
+	void (*_handler)(void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *,unsigned int);
+	void *_arg;
+	void *_pcap; // pcap_t *
+	uint64_t _nwid;
+	MAC _mac;
+	Thread _thread;
+	std::string _homePath;
+	std::string _dev;
+	std::vector<MulticastGroup> _multicastGroups;
+	unsigned int _mtu;
+	unsigned int _metric;
+	volatile bool _enabled;
+};
+
+} // namespace ZeroTier
+
+#endif