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osdep/RoutingTable.cpp

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+/*
+ * 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 <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdlib.h>
+
+#include "Constants.hpp"
+#include "RoutingTable.hpp"
+#include "Utils.hpp"
+
+namespace ZeroTier {
+
+std::string RoutingTable::Entry::toString() const
+{
+	char tmp[1024];
+	Utils::snprintf(tmp,sizeof(tmp),"%s %s %s %d",destination.toString().c_str(),((gateway) ? gateway.toIpString().c_str() : "<link>"),device,metric);
+	return std::string(tmp);
+}
+
+bool RoutingTable::Entry::operator==(const Entry &re) const
+{
+	return ((destination == re.destination)&&(gateway == re.gateway)&&(strcmp(device,re.device) == 0)&&(metric == re.metric));
+}
+
+bool RoutingTable::Entry::operator<(const Entry &re) const
+{
+	if (destination < re.destination)
+		return true;
+	else if (destination == re.destination) {
+		if (gateway < re.gateway)
+			return true;
+		else if (gateway == re.gateway) {
+			int tmp = (int)::strcmp(device,re.device);
+			if (tmp < 0)
+				return true;
+			else if (tmp == 0)
+				return (metric < re.metric);
+		}
+	}
+	return false;
+}
+
+RoutingTable::RoutingTable()
+{
+}
+
+RoutingTable::~RoutingTable()
+{
+}
+
+} // namespace ZeroTier