intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 104 insertions, 0 deletions

diff --git a/contrib/libs/poco/Foundation/include/Poco/UUIDGenerator.h b/contrib/libs/poco/Foundation/include/Poco/UUIDGenerator.h
new file mode 100644
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+++ b/contrib/libs/poco/Foundation/include/Poco/UUIDGenerator.h
@@ -0,0 +1,104 @@
+//
+// UUIDGenerator.h
+//
+// Library: Foundation
+// Package: UUID
+// Module:  UUID
+//
+// Definition of the UUIDGenerator class.
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#ifndef Foundation_UUIDGenerator_INCLUDED
+#define Foundation_UUIDGenerator_INCLUDED
+
+
+#include "Poco/Foundation.h"
+#include "Poco/UUID.h"
+#include "Poco/Mutex.h"
+#include "Poco/Random.h"
+#include "Poco/Timestamp.h"
+#include "Poco/Environment.h"
+
+
+namespace Poco {
+
+
+class DigestEngine;
+
+
+class Foundation_API UUIDGenerator
+	/// This class implements a generator for Universal Unique Identifiers,
+	/// as specified in Appendix A of the DCE 1.1 Remote Procedure
+	/// Call Specification (http://www.opengroup.org/onlinepubs/9629399/),
+	/// RFC 2518 (WebDAV), section 6.4.1 and the UUIDs and GUIDs internet
+	/// draft by Leach/Salz from February, 1998 
+	/// (http://ftp.ics.uci.edu/pub/ietf/webdav/uuid-guid/draft-leach-uuids-guids-01.txt)
+{
+public:
+	UUIDGenerator();
+		/// Creates the UUIDGenerator.
+
+	~UUIDGenerator();
+		/// Destroys the UUIDGenerator.
+
+	UUID create();
+		/// Creates a new time-based UUID, using the MAC address of
+		/// one of the system's ethernet adapters.
+		///
+		/// Throws a SystemException if no MAC address can be
+		/// obtained.
+	
+	UUID createFromName(const UUID& nsid, const std::string& name);
+		/// Creates a name-based UUID.
+
+	UUID createFromName(const UUID& nsid, const std::string& name, DigestEngine& de);
+		/// Creates a name-based UUID, using the given digest engine.
+		///
+		/// Note: in order to create a standard-compliant UUID, the given DigestEngine
+		/// must be either an instance of MD5Engine or SHA1Engine. The version field of
+		/// the UUID will be set accordingly.
+
+	UUID createFromName(const UUID& nsid, const std::string& name, DigestEngine& de, UUID::Version version);
+		/// Creates a name-based UUID, using the given digest engine and version.
+		
+	UUID createRandom();
+		/// Creates a random UUID.
+		
+	UUID createOne();
+		/// Tries to create and return a time-based UUID (see create()), and, 
+		/// if that does not work due to the unavailability of a MAC address,
+		/// creates and returns a random UUID (see createRandom()).
+		///
+		/// The UUID::version() method can be used to determine the actual kind of
+		/// the UUID generated.
+
+	static UUIDGenerator& defaultGenerator();
+		/// Returns a reference to the default UUIDGenerator.
+		
+protected:
+	Timestamp::UtcTimeVal timeStamp();
+	void getNode();
+
+private:
+	FastMutex           _mutex;
+	Random              _random;
+	Timestamp           _lastTime;
+	int                 _ticks;
+	Environment::NodeId _node;
+	bool                _haveNode;
+	
+	UUIDGenerator(const UUIDGenerator&);
+	UUIDGenerator& operator = (const UUIDGenerator&);
+};
+
+
+} // namespace Poco
+
+
+#endif // Foundation_UUIDGenerator_INCLUDED