Some work on simulated net...

1 files changed, 89 insertions, 0 deletions

diff --git a/testnet/SimNet.cpp b/testnet/SimNet.cpp
new file mode 100644
index 00000000..a644a9bc
--- /dev/null
+++ b/testnet/SimNet.cpp
@@ -0,0 +1,89 @@
+/*
+ * 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/
+ */
+
+#include "SimNet.hpp"
+
+#include "../node/Constants.hpp"
+#include "../node/Utils.hpp"
+
+namespace ZeroTier {
+
+SimNet::SimNet()
+{
+}
+
+SimNet::~SimNet()
+{
+}
+
+SimNetSocketManager *newEndpoint()
+{
+	Mutex::Lock _l(_lock);
+
+	if (_endpoints.size() >= ZT_SIMNET_MAX_TESTNET_SIZE)
+		return (SimNetSocketManager *)0;
+
+	InetAddress fake;
+	uint32_t ip = _prng.next32();
+	for(;;) {
+		++ip;
+		ip &= 0x00ffffff;
+		ip |= 0x0a000000; // 10.x.x.x
+		if (((ip >> 16) & 0xff) == 0xff) ip ^= 0x00010000;
+		if (((ip >> 8) & 0xff) == 0xff) ip ^= 0x00000100;
+		if ((ip & 0xff) == 0xff) --ip;
+		if ((ip & 0xff) == 0x00) ++ip;
+		uint32_t ipn = Utils::hton(ip);
+		fake.set(&ipn,4,8); // 10.x.x.x/8
+		if (_endpoints.find(fake) == _endpoints.end()) {
+			SimNetSocketManager *sm = &(_endpoints[fake]);
+			sm->_sn = this;
+			sm->_address = fake;
+			return sm;
+		}
+	}
+}
+
+SimNetSocketManager *get(const InetAddress &addr)
+{
+	Mutex::Lock _l(_lock);
+	std::map< InetAddress,SimNetSocketManager >::iterator ep(_endpoints.find(addr));
+	if (ep == _endpoints.end())
+		return (SimNetSocketManager *)0;
+	return &(ep->second);
+}
+
+std::vector<SimNetSocketManager *> SimNet::all()
+{
+	std::vector<SimNetSocketManager *> a;
+	Mutex::Lock _l(_lock);
+	for (std::map< InetAddress,SimNetSocketManager >::iterator ep(_endpoints.begin());ep!=_endpoints.end();++ep)
+		a.push_back(&(ep->second));
+	return a;
+}
+
+} // namespace ZeroTier