More cluster wiring...

service/ClusterDefinition.hpp

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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/
+ */
+
+#ifndef ZT_CLUSTERDEFINITION_HPP
+#define ZT_CLUSTERDEFINITION_HPP
+
+#ifdef ZT_ENABLE_CLUSTER
+
+#include <vector>
+#include <algorithm>
+
+#include "../node/Constants.hpp"
+#include "../node/Utils.hpp"
+#include "../osdep/OSUtils.hpp"
+
+namespace ZeroTier {
+
+/**
+ * Parser for cluster definition file
+ */
+class ClusterDefinition
+{
+public:
+	struct MemberDefinition
+	{
+		MemberDefinition() : id(0),x(0),y(0),z(0) { name[0] = (char)0; }
+
+		unsigned int id;
+		int x,y,z;
+		char name[256];
+		InetAddress clusterEndpoint;
+		std::vector<InetAddress> zeroTierEndpoints;
+	};
+
+	ClusterDefinition(uint64_t myAddress,const char *pathToClusterFile)
+	{
+		std::string cf;
+		if (!OSUtils::readFile(pathToClusterFile,cf))
+			return;
+
+		char myAddressStr[64];
+		Utils::snprintf(myAddressStr,sizeof(myAddressStr),"%.10llx",myAddress);
+
+		std::vector<std::string> lines(Utils::split(cf.c_str(),"\r\n","",""));
+		for(std::vector<std::string>::iterator l(lines.begin());l!=lines.end();++l) {
+			std::vector<std::string> fields(Utils::split(l->c_str()," \t","",""));
+			if ((fields.size() < 5)||(fields[0][0] == '#')||(fields[0] != myAddressStr))
+				continue;
+
+			int id = Utils::strToUInt(fields[1].c_str());
+			if ((id < 0)||(id > ZT_CLUSTER_MAX_MEMBERS))
+				continue;
+			MemberDefinition &md = _md[id];
+
+			md.id = (unsigned int)id;
+			if (fields.size() >= 6) {
+				std::vector<std::string> xyz(Utils::split(fields[5].c_str(),",","",""));
+				md.x = (xyz.size() > 0) ? Utils::strToInt(xyz[0].c_str()) : 0;
+				md.y = (xyz.size() > 1) ? Utils::strToInt(xyz[1].c_str()) : 0;
+				md.z = (xyz.size() > 2) ? Utils::strToInt(xyz[2].c_str()) : 0;
+			}
+			Utils::scopy(md.name,sizeof(md.name),fields[2].c_str());
+			md.clusterEndpoint.fromString(fields[3]);
+			if (!md.clusterEndpoint)
+				continue;
+			std::vector<std::string> zips(Utils::split(fields[4].c_str(),",","",""));
+			for(std::vector<std::string>::iterator zip(zips.begin());zip!=zips.end();++zip) {
+				InetAddress i;
+				i.fromString(*zip);
+				if (i)
+					md.zeroTierEndpoints.push_back(i);
+			}
+
+			_ids.push_back((unsigned int)id);
+		}
+
+		std::sort(_ids.begin(),_ids.end());
+	}
+
+	inline const MemberDefinition &operator[](unsigned int id) const throw() { return _md[id]; }
+	inline unsigned int size() const throw() { return (unsigned int)_ids.size(); }
+	inline const std::vector<unsigned int> &ids() const throw() { return _ids; }
+
+	inline std::vector<MemberDefinition> members() const
+	{
+		std::vector<MemberDefinition> m;
+		for(std::vector<unsigned int>::const_iterator i(_ids.begin());i!=_ids.end();++i)
+			m.push_back(_md[*i]);
+		return m;
+	}
+
+private:
+	MemberDefinition _md[ZT_CLUSTER_MAX_MEMBERS];
+	std::vector<unsigned int> _ids;
+};
+
+} // namespace ZeroTier
+
+#endif // ZT_ENABLE_CLUSTER
+
+#endif