dynamic loading of network stack no longer needed

zto/osdep/ManagedRoute.hpp

@@ -0,0 +1,80 @@
+#ifndef ZT_MANAGEDROUTE_HPP
+#define ZT_MANAGEDROUTE_HPP
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "../node/InetAddress.hpp"
+#include "../node/Utils.hpp"
+#include "../node/SharedPtr.hpp"
+#include "../node/AtomicCounter.hpp"
+#include "../node/NonCopyable.hpp"
+
+#include <stdexcept>
+#include <vector>
+#include <map>
+
+namespace ZeroTier {
+
+/**
+ * A ZT-managed route that used C++ RAII semantics to automatically clean itself up on deallocate
+ */
+class ManagedRoute : NonCopyable
+{
+	friend class SharedPtr<ManagedRoute>;
+
+public:
+	ManagedRoute(const InetAddress &target,const InetAddress &via,const char *device)
+	{
+		_target = target;
+		_via = via;
+		if (via.ss_family == AF_INET)
+			_via.setPort(32);
+		else if (via.ss_family == AF_INET6)
+			_via.setPort(128);
+		Utils::scopy(_device,sizeof(_device),device);
+		_systemDevice[0] = (char)0;
+	}
+
+	~ManagedRoute()
+	{
+		this->remove();
+	}
+
+	/**
+	 * Set or update currently set route
+	 *
+	 * This must be called periodically for routes that shadow others so that
+	 * shadow routes can be updated. In some cases it has no effect
+	 *
+	 * @return True if route add/update was successful
+	 */
+	bool sync();
+
+	/**
+	 * Remove and clear this ManagedRoute
+	 *
+	 * This does nothing if this ManagedRoute is not set or has already been
+	 * removed. If this is not explicitly called it is called automatically on
+	 * destruct.
+	 */
+	void remove();
+
+	inline const InetAddress &target() const { return _target; }
+	inline const InetAddress &via() const { return _via; }
+	inline const char *device() const { return _device; }
+
+private:
+	InetAddress _target;
+	InetAddress _via;
+	InetAddress _systemVia; // for route overrides
+	std::map<InetAddress,bool> _applied; // routes currently applied
+	char _device[128];
+	char _systemDevice[128]; // for route overrides
+
+	AtomicCounter __refCount;
+};
+
+} // namespace ZeroTier
+
+#endif