From 7576911951781baf8730ee3e166cb6efc73322bf Mon Sep 17 00:00:00 2001
From: Adam Ierymenko <adam.ierymenko@gmail.com>
Date: Fri, 10 Apr 2015 11:42:02 -0700
Subject: Temporarily shelve testnet/ -- will resurrect self-contained testnet
 later perhaps, but probably will not by the time next version ships. Was
 mostly for debugging multicast anyway and that is now quite stable.

---
 attic/testnet/TestEthernetTap.cpp | 150 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 attic/testnet/TestEthernetTap.cpp

(limited to 'attic/testnet/TestEthernetTap.cpp')

diff --git a/attic/testnet/TestEthernetTap.cpp b/attic/testnet/TestEthernetTap.cpp
new file mode 100644
index 00000000..9cd6df5d
--- /dev/null
+++ b/attic/testnet/TestEthernetTap.cpp
@@ -0,0 +1,150 @@
+/*
+ * 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/
+ */
+
+#include "TestEthernetTap.hpp"
+#include "TestEthernetTapFactory.hpp"
+
+#include "../node/Constants.hpp"
+#include "../node/Utils.hpp"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef __WINDOWS__
+#include <process.h>
+#else
+#include <unistd.h>
+#endif
+
+namespace ZeroTier {
+
+TestEthernetTap::TestEthernetTap(
+	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) :
+	EthernetTap("TestEthernetTap",mac,mtu,metric),
+	_nwid(nwid),
+	_handler(handler),
+	_arg(arg),
+	_enabled(true)
+{
+	static volatile unsigned int testTapCounter = 0;
+
+	char tmp[64];
+	int pid = 0;
+#ifdef __UNIX_LIKE__
+	pid = (int)getpid();
+#endif
+#ifdef __WINDOWS__
+	pid = (int)_getpid();
+#endif
+	Utils::snprintf(tmp,sizeof(tmp),"test%dtap%d",pid,testTapCounter++);
+	_dev = tmp;
+
+	_thread = Thread::start(this);
+}
+
+TestEthernetTap::~TestEthernetTap()
+{
+	static const TestFrame zf; // use a static empty frame because of weirdo G++ warning bug...
+	_pq.push(zf); // empty frame terminates thread
+	Thread::join(_thread);
+}
+
+void TestEthernetTap::setEnabled(bool en)
+{
+	_enabled = en;
+}
+
+bool TestEthernetTap::enabled() const
+{
+	return _enabled;
+}
+
+bool TestEthernetTap::addIP(const InetAddress &ip)
+{
+	return true;
+}
+
+bool TestEthernetTap::removeIP(const InetAddress &ip)
+{
+	return true;
+}
+
+std::set<InetAddress> TestEthernetTap::ips() const
+{
+	return std::set<InetAddress>();
+}
+
+void TestEthernetTap::put(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len)
+{
+	_gq.push(TestFrame(from,to,data,etherType,len));
+}
+
+std::string TestEthernetTap::deviceName() const
+{
+	return _dev;
+}
+
+void TestEthernetTap::setFriendlyName(const char *friendlyName)
+{
+}
+
+bool TestEthernetTap::updateMulticastGroups(std::set<MulticastGroup> &groups)
+{
+	return false;
+}
+
+bool TestEthernetTap::injectPacketFromHost(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len)
+{
+	if ((len == 0)||(len > _mtu))
+		return false;
+	_pq.push(TestFrame(from,to,data,etherType & 0xffff,len));
+	return true;
+}
+
+void TestEthernetTap::threadMain()
+	throw()
+{
+	TestFrame f;
+	for(;;) {
+		if (_pq.pop(f,0)) {
+			if (f.len) {
+				try {
+					_handler(_arg,f.from,f.to,f.etherType,Buffer<4096>(f.data,f.len));
+				} catch ( ... ) {}
+			} else break;
+		}
+	}
+}
+
+} // namespace ZeroTier
-- 
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