1 files changed, 129 insertions, 0 deletions
diff --git a/qpid/dotnet/client-010/client/transport/util/UUID.cs b/qpid/dotnet/client-010/client/transport/util/UUID.cs
new file mode 100644
index 0000000000..07a3d267a5
--- /dev/null
+++ b/qpid/dotnet/client-010/client/transport/util/UUID.cs
@@ -0,0 +1,129 @@
+/*
+*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*
+*/
+
+using System;
+
+namespace org.apache.qpid.transport.util
+{
+    public class UUID
+    {
+        private long _mostSigBits;
+        private long _leastSigBits;
+        private static readonly Random _random = new Random();
+        private static readonly object _randomLock = new object();
+
+
+        public UUID(long mostSigBits, long leastSigBits)
+        {
+            _mostSigBits = mostSigBits;
+            _leastSigBits = leastSigBits;
+        }
+
+        public long MostSignificantBits
+        {
+            get { return _mostSigBits; }
+            set { _mostSigBits = value; }
+        }
+
+        public long LeastSignificantBits
+        {
+            get { return _leastSigBits; }
+            set { _leastSigBits = value; }
+        }
+
+        internal UUID(byte[] r)
+        {
+            MostSignificantBits = 0;
+            LeastSignificantBits = 0;
+            for (int i = 0; i < 8; i++)
+                MostSignificantBits = (MostSignificantBits << 8) | (r[i] & 0xff);
+            for (int i = 8; i < 16; i++)
+                LeastSignificantBits = (LeastSignificantBits << 8) | (r[i] & 0xff); 
+        }
+
+        public static UUID RandomUuid()
+        {
+            byte[] randomBytes = new byte[16];
+            lock (_randomLock)
+            {
+                _random.NextBytes(randomBytes);
+            }
+
+            randomBytes[6] &= 0x0f;
+            randomBytes[6] |= 0x40;
+            randomBytes[8] &= 0x3f;
+            randomBytes[8] |= 0x80;
+
+            return new UUID(randomBytes);
+        }
+       
+
+        public override String ToString()
+        {
+            return (Digits(_mostSigBits >> 32, 8) + "-" +
+                    Digits(_mostSigBits >> 16, 4) + "-" +
+                    Digits(_mostSigBits, 4) + "-" +
+                    Digits(_leastSigBits >> 48, 4) + "-" +
+                    Digits(_leastSigBits, 12));
+        }
+
+        private static String Digits(long val, int digits)
+        {
+            long hi = 1L << (digits * 4);
+            return Convert.ToString((hi | (val & (hi - 1))), 16);
+        }
+
+        #region equality
+        public bool Equals(UUID other)
+        {
+            if (ReferenceEquals(null, other)) return false;
+            if (ReferenceEquals(this, other)) return true;
+            return other._mostSigBits == _mostSigBits && other._leastSigBits == _leastSigBits;
+        }
+
+        public override bool Equals(object obj)
+        {
+            if (ReferenceEquals(null, obj)) return false;
+            if (ReferenceEquals(this, obj)) return true;
+            if (obj.GetType() != typeof (UUID)) return false;
+            return Equals((UUID) obj);
+        }
+
+        public override int GetHashCode()
+        {
+            unchecked
+            {
+                return (_mostSigBits.GetHashCode()*397) ^ _leastSigBits.GetHashCode();
+            }
+        }
+
+        public static bool operator ==(UUID left, UUID right)
+        {
+            return Equals(left, right);
+        }
+
+        public static bool operator !=(UUID left, UUID right)
+        {
+            return !Equals(left, right);
+        }
+        #endregion
+    }
+}