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+/*
+ * ZeroTier One - Global Peer to Peer Ethernet
+ * Copyright (C) 2012-2013 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 "Network.hpp"
+#include "Switch.hpp"
+
+namespace ZeroTier {
+
+Network::Network(const RuntimeEnvironment *renv,uint64_t id)
+ throw(std::runtime_error) :
+ Thread(),
+ _r(renv),
+ _id(id),
+ _tap(renv,renv->identity.address().toMAC(),ZT_IF_MTU),
+ _members(),
+ _open(false),
+ _lock()
+{
+ TRACE("new network %llu created, TAP device: %s",id,_tap.deviceName().c_str());
+ start();
+}
+
+Network::~Network()
+{
+ _tap.close();
+ join();
+ TRACE("network %llu (%s) closed",_id,_tap.deviceName().c_str());
+}
+
+void Network::main()
+ throw()
+{
+ Buffer<4096> buf;
+ MAC from,to;
+ unsigned int etherType = 0;
+
+ while (_tap.open()) {
+ unsigned int len = _tap.get(from,to,etherType,buf.data());
+ if (len) {
+ buf.setSize(len);
+ try {
+ if (!*__refCount)
+ break; // sanity check
+ _r->sw->onLocalEthernet(SharedPtr<Network>(this),from,to,etherType,buf);
+ } catch (std::exception &exc) {
+ TRACE("unexpected exception handling local packet: %s",exc.what());
+ } catch ( ... ) {
+ TRACE("unexpected exception handling local packet");
+ }
+ } else break;
+ }
+
+ TRACE("network %llu thread terminating",_id);
+}
+
+} // namespace ZeroTier