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From tab...@apache.org
Subject svn commit: r1468614 - in /activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src: main/csharp/Util/ConnectionAudit.cs test/csharp/Util/ConnectionAuditTest.cs
Date Tue, 16 Apr 2013 21:24:05 GMT
Author: tabish
Date: Tue Apr 16 21:24:05 2013
New Revision: 1468614

URL: http://svn.apache.org/r1468614
Log:
Add class ConnectionAudit and a unit test for it

Added:
    activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/main/csharp/Util/ConnectionAudit.cs
  (with props)
    activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/test/csharp/Util/ConnectionAuditTest.cs
  (with props)

Added: activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/main/csharp/Util/ConnectionAudit.cs
URL: http://svn.apache.org/viewvc/activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/main/csharp/Util/ConnectionAudit.cs?rev=1468614&view=auto
==============================================================================
--- activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/main/csharp/Util/ConnectionAudit.cs
(added)
+++ activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/main/csharp/Util/ConnectionAudit.cs
Tue Apr 16 21:24:05 2013
@@ -0,0 +1,139 @@
+/*
+ * 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;
+using System.Collections.Generic;
+using Apache.NMS.ActiveMQ.Commands;
+
+namespace Apache.NMS.ActiveMQ.Util
+{
+	public class ConnectionAudit
+	{
+		private readonly object mutex = new object();
+	    
+	    private readonly Dictionary<ActiveMQDestination, ActiveMQMessageAudit> destinations
= 
+			new Dictionary<ActiveMQDestination, ActiveMQMessageAudit>();
+	    private readonly Dictionary<IDispatcher, ActiveMQMessageAudit> dispatchers =
+			new Dictionary<IDispatcher, ActiveMQMessageAudit>();
+
+		private bool checkForDuplicates = true;
+		public bool CheckForDuplicates
+		{
+			get { return this.checkForDuplicates; }
+			set { this.checkForDuplicates = value; }
+		}
+
+		private int auditDepth = ActiveMQMessageAudit.DEFAULT_WINDOW_SIZE;
+		public int AuditDepth
+		{
+			get { return this.auditDepth; }
+			set { this.auditDepth = value; }
+		}
+
+		private int auditMaximumProducerNumber = ActiveMQMessageAudit.MAXIMUM_PRODUCER_COUNT;
+		public int AuditMaximumProducerNumber
+		{
+			get { return this.auditMaximumProducerNumber; }
+			set { this.auditMaximumProducerNumber = value; }
+		}
+
+		public ConnectionAudit()
+		{
+		}
+
+		public ConnectionAudit(int auditDepth, int auditMaximumProducerNumber)
+		{
+			this.auditDepth = auditDepth;
+			this.auditMaximumProducerNumber = auditMaximumProducerNumber;
+		}
+
+	    public void RemoveDispatcher(IDispatcher dispatcher) 
+		{
+			lock(this.mutex)
+			{
+	        	dispatchers.Remove(dispatcher);
+			}
+	    }
+
+	    public bool IsDuplicate(IDispatcher dispatcher, Message message)
+		{
+			bool result = false;
+
+			lock(this.mutex) 
+			{
+		        if (checkForDuplicates && message != null) 
+				{
+		            ActiveMQDestination destination = message.Destination;
+		            if (destination != null) 
+					{
+		                if (destination.IsQueue) 
+						{
+		                    ActiveMQMessageAudit audit = null;
+		                    if (!destinations.TryGetValue(destination, out audit)) 
+							{
+		                        audit = new ActiveMQMessageAudit(auditDepth, auditMaximumProducerNumber);
+		                        destinations.Add(destination, audit);
+		                    }
+		                    result = audit.IsDuplicate(message.MessageId);
+		                }
+						else 
+						{
+	                    	ActiveMQMessageAudit audit = null;
+	                    	if (!dispatchers.TryGetValue(dispatcher, out audit)) 
+							{
+			                    audit = new ActiveMQMessageAudit(auditDepth, auditMaximumProducerNumber);
+		                    	dispatchers.Add(dispatcher, audit);
+		                	}
+		                	result = audit.IsDuplicate(message.MessageId);
+						}
+		            }
+		        }
+			}
+	        return result;
+	    }
+
+	    public void RollbackDuplicate(IDispatcher dispatcher, Message message) 
+		{
+			lock(this.mutex) 
+			{
+		        if (checkForDuplicates && message != null) 
+				{
+		            ActiveMQDestination destination = message.Destination;
+		            if (destination != null)
+					{
+		                if (destination.IsQueue) 
+						{
+		                    ActiveMQMessageAudit audit = null;
+		                    if (destinations.TryGetValue(destination, out audit)) 
+							{
+		                        audit.Rollback(message.MessageId);
+		                    }
+		                }
+						else
+						{
+	                    	ActiveMQMessageAudit audit = null;
+	                    	if (dispatchers.TryGetValue(dispatcher, out audit)) 
+							{
+		                        audit.Rollback(message.MessageId);
+		                    }
+		                }
+		            }
+		        }
+			}
+	    }
+	}
+}
+

Propchange: activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/main/csharp/Util/ConnectionAudit.cs
------------------------------------------------------------------------------
    svn:eol-style = native

Added: activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/test/csharp/Util/ConnectionAuditTest.cs
URL: http://svn.apache.org/viewvc/activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/test/csharp/Util/ConnectionAuditTest.cs?rev=1468614&view=auto
==============================================================================
--- activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/test/csharp/Util/ConnectionAuditTest.cs
(added)
+++ activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/test/csharp/Util/ConnectionAuditTest.cs
Tue Apr 16 21:24:05 2013
@@ -0,0 +1,133 @@
+/*
+ * 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;
+using System.Collections.Generic;
+using Apache.NMS;
+using Apache.NMS.ActiveMQ;
+using Apache.NMS.ActiveMQ.Commands;
+using Apache.NMS.ActiveMQ.Util;
+using NUnit.Framework;
+
+namespace Apache.NMS.ActiveMQ.Test
+{
+	[TestFixture]
+	public class ConnectionAuditTest
+	{
+        internal class MyDispatcher : IDispatcher
+        {
+			public void Dispatch(MessageDispatch messageDispatch)
+			{
+			}
+        }
+
+		[Test]
+		public void TestConstructor1()
+		{
+		    ConnectionAudit audit = new ConnectionAudit();
+		    Assert.IsTrue(audit.CheckForDuplicates);
+		    Assert.IsTrue(audit.AuditDepth == ActiveMQMessageAudit.DEFAULT_WINDOW_SIZE);
+		    Assert.IsTrue(audit.AuditMaximumProducerNumber == ActiveMQMessageAudit.MAXIMUM_PRODUCER_COUNT);
+		}
+
+		[Test]
+		public void TestConstructor2()
+		{
+		    ConnectionAudit audit = new ConnectionAudit(100, 200);
+		    Assert.IsTrue(audit.CheckForDuplicates);
+		    Assert.IsTrue(audit.AuditDepth == 100);
+		    Assert.IsTrue(audit.AuditMaximumProducerNumber == 200);
+		}
+
+		[Test]
+		public void testIsDuplicate()
+		{
+		    int count = 10000;
+		    ConnectionAudit audit = new ConnectionAudit();
+		    List<MessageId> list = new List<MessageId>();
+		    MyDispatcher dispatcher = new MyDispatcher();
+
+		    ProducerId pid = new ProducerId();
+		    pid.ConnectionId = "test";
+		    pid.SessionId = 0;
+		    pid.Value = 1;
+
+		    ActiveMQDestination destination = new ActiveMQQueue("TEST.QUEUE");
+		    Message message = new Message();
+		    message.Destination = destination;
+
+		    for (int i = 0; i < count; i++) 
+			{
+		        MessageId id = new MessageId();
+		        id.ProducerId = pid;
+		        id.ProducerSequenceId = i;
+		        list.Add(id);
+
+		        message.MessageId = id;
+		        Assert.IsFalse(audit.IsDuplicate(dispatcher, message));
+		    }
+
+		    int index = list.Count -1 -audit.AuditDepth;
+		    for (; index < list.Count; index++)
+			{
+		        MessageId id = list[index];
+		        message.MessageId = id;
+		        Assert.IsTrue(audit.IsDuplicate(dispatcher, message), "duplicate msg:" + id);
+		    }
+		}
+
+		[Test]
+		public void testRollbackDuplicate()
+		{
+		    int count = 10000;
+		    ConnectionAudit audit = new ConnectionAudit();
+		    List<MessageId> list = new List<MessageId>();
+		    MyDispatcher dispatcher = new MyDispatcher();
+
+		    ProducerId pid = new ProducerId();
+		    pid.ConnectionId = "test";
+		    pid.SessionId = 0;
+		    pid.Value = 1;
+
+		    ActiveMQDestination destination = new ActiveMQQueue("TEST.QUEUE");
+		    Message message = new Message();
+		    message.Destination = destination;
+
+		    for (int i = 0; i < count; i++) 
+			{
+		        MessageId id = new MessageId();
+		        id.ProducerId = pid;
+		        id.ProducerSequenceId = i;
+		        list.Add(id);
+
+		        message.MessageId = id;
+		        Assert.IsFalse(audit.IsDuplicate(dispatcher, message));
+		    }
+
+		    int index = list.Count -1 -audit.AuditDepth;
+		    for (; index < list.Count; index++) 
+			{
+		        MessageId id = list[index];
+		        message.MessageId = id;
+		        Assert.IsTrue(audit.IsDuplicate(dispatcher, message), "duplicate msg:" + id);
+		        audit.RollbackDuplicate(dispatcher, message);
+		        Assert.IsFalse(audit.IsDuplicate(dispatcher, message), "error: duplicate msg:"
+ id);
+		    }
+		}
+	}
+}
+

Propchange: activemq/activemq-dotnet/Apache.NMS.ActiveMQ/trunk/src/test/csharp/Util/ConnectionAuditTest.cs
------------------------------------------------------------------------------
    svn:eol-style = native



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