Imported Upstream version 1.1.14

node/RuntimeEnvironment.hpp

@@ -0,0 +1,98 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2016  ZeroTier, Inc.  https://www.zerotier.com/
+ *
+ * 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/>.
+ */
+
+#ifndef ZT_RUNTIMEENVIRONMENT_HPP
+#define ZT_RUNTIMEENVIRONMENT_HPP
+
+#include <string>
+
+#include "Constants.hpp"
+#include "Identity.hpp"
+#include "Mutex.hpp"
+
+namespace ZeroTier {
+
+class NodeConfig;
+class Switch;
+class Topology;
+class Node;
+class Multicaster;
+class NetworkController;
+class SelfAwareness;
+class Cluster;
+class DeferredPackets;
+
+/**
+ * Holds global state for an instance of ZeroTier::Node
+ */
+class RuntimeEnvironment
+{
+public:
+	RuntimeEnvironment(Node *n) :
+		node(n)
+		,identity()
+		,localNetworkController((NetworkController *)0)
+		,sw((Switch *)0)
+		,mc((Multicaster *)0)
+		,topology((Topology *)0)
+		,sa((SelfAwareness *)0)
+		,dp((DeferredPackets *)0)
+#ifdef ZT_ENABLE_CLUSTER
+		,cluster((Cluster *)0)
+#endif
+		,dpEnabled(0)
+	{
+	}
+
+	// Node instance that owns this RuntimeEnvironment
+	Node *const node;
+
+	// This node's identity
+	Identity identity;
+	std::string publicIdentityStr;
+	std::string secretIdentityStr;
+
+	// This is set externally to an instance of this base class
+	NetworkController *localNetworkController;
+
+	/*
+	 * Order matters a bit here. These are constructed in this order
+	 * and then deleted in the opposite order on Node exit. The order ensures
+	 * that things that are needed are there before they're needed.
+	 *
+	 * These are constant and never null after startup unless indicated.
+	 */
+
+	Switch *sw;
+	Multicaster *mc;
+	Topology *topology;
+	SelfAwareness *sa;
+	DeferredPackets *dp;
+
+#ifdef ZT_ENABLE_CLUSTER
+	Cluster *cluster;
+#endif
+
+	// This is set to >0 if background threads are waiting on deferred
+	// packets, otherwise 'dp' should not be used.
+	volatile int dpEnabled;
+};
+
+} // namespace ZeroTier
+
+#endif