From 8477aab8e02b2f829d4946e051d36f11ae2e4839 Mon Sep 17 00:00:00 2001
From: Justin Clarke Casey
Date: Thu, 6 Nov 2008 18:27:56 +0000
Subject: * refactor: factor out test packet send method in client stack unit
 tests

---
 .../LindenUDP/Tests/BasicCircuitTests.cs           | 50 ++++++++++++++++++----
 .../ClientStack/LindenUDP/Tests/TestLLUDPServer.cs | 26 ++++++++++-
 2 files changed, 66 insertions(+), 10 deletions(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Region/ClientStack/LindenUDP/Tests/BasicCircuitTests.cs b/OpenSim/Region/ClientStack/LindenUDP/Tests/BasicCircuitTests.cs
index d55f423..6210d0c 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/Tests/BasicCircuitTests.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/Tests/BasicCircuitTests.cs
@@ -113,6 +113,23 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
         }
         
         /// <summary>
+        /// Build an object name packet for test purposes
+        /// </summary>
+        /// <param name="objectLocalId"></param>
+        /// <param name="objectName"></param>
+        protected ObjectNamePacket BuildTestObjectNamePacket(uint objectLocalId, string objectName)
+        {
+            ObjectNamePacket onp = new ObjectNamePacket();
+            ObjectNamePacket.ObjectDataBlock odb = new ObjectNamePacket.ObjectDataBlock();
+            odb.LocalID = objectLocalId;
+            odb.Name = Utils.StringToBytes(objectName);
+            onp.ObjectData = new ObjectNamePacket.ObjectDataBlock[] { odb };
+            onp.Header.Zerocoded = false;
+            
+            return onp;            
+        }
+        
+        /// <summary>
         /// Test adding a client to the stack
         /// </summary>
         [Test]        
@@ -209,19 +226,36 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
             
             // Check that sending a valid packet to same circuit still succeeds
             Assert.That(scene.ObjectNameCallsReceived, Is.EqualTo(0));
-
-            ObjectNamePacket onp = new ObjectNamePacket();
-            ObjectNamePacket.ObjectDataBlock odb = new ObjectNamePacket.ObjectDataBlock();
-            odb.LocalID = 1;
-            odb.Name = Utils.StringToBytes("helloooo");
-            onp.ObjectData = new ObjectNamePacket.ObjectDataBlock[] { odb };
-            onp.Header.Zerocoded = false;
             
-            testLLUDPServer.LoadReceive(onp, testEp);
+            testLLUDPServer.LoadReceive(BuildTestObjectNamePacket(1, "helloooo"), testEp);
             testLLUDPServer.ReceiveData(null);
             
             Assert.That(testLLPacketServer.GetTotalPacketsReceived(), Is.EqualTo(1));  
             Assert.That(testLLPacketServer.GetPacketsReceivedFor(PacketType.ObjectName), Is.EqualTo(1));
         }
+        
+        /// <summary>
+        /// Test that the stack continues to work even if some client has caused a 
+        /// SocketException on Socket.BeginReceive()
+        /// </summary>
+        [Test]
+        public void TestExceptionOnBeginReceive()
+        {
+            /*
+            MockScene scene = new MockScene();
+            
+            uint circuitCodeA = 130000;
+            EndPoint epA = new IPEndPoint(IPAddress.Loopback, 1300);
+            uint circuitCodeB = 130001;
+            EndPoint epB = new IPEndPoint(IPAddress.Loopback, 1301);
+            
+            TestLLUDPServer testLLUDPServer;
+            TestLLPacketServer testLLPacketServer;
+            AgentCircuitManager acm;
+            SetupStack(scene, out testLLUDPServer, out testLLPacketServer, out acm);            
+            AddClient(circuitCodeA, epA, testLLUDPServer, acm);
+            AddClient(circuitCodeB, epB, testLLUDPServer, acm);
+            */
+        }
     }
 }
diff --git a/OpenSim/Region/ClientStack/LindenUDP/Tests/TestLLUDPServer.cs b/OpenSim/Region/ClientStack/LindenUDP/Tests/TestLLUDPServer.cs
index dd7afd3..002b493 100644
--- a/OpenSim/Region/ClientStack/LindenUDP/Tests/TestLLUDPServer.cs
+++ b/OpenSim/Region/ClientStack/LindenUDP/Tests/TestLLUDPServer.cs
@@ -48,7 +48,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
         
         protected override void BeginReceive()
         {
-            // Do nothing
+            if (m_chunksToLoad.Count > 0 && m_chunksToLoad.Peek().BeginReceiveException)
+            {
+                ChunkSenderTuple tuple = m_chunksToLoad.Dequeue();
+                reusedEpSender = tuple.Sender;
+                throw new SocketException();
+            }
         }
         
         protected override bool EndReceive(out int numBytes, IAsyncResult result, ref EndPoint epSender)
@@ -72,6 +77,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
         }
         
         /// <summary>
+        /// Signal that this chunk should throw an exception on Socket.BeginReceive()
+        /// </summary>
+        /// <param name="epSender"></param>
+        public void LoadReceiveWithBeginException(EndPoint epSender)
+        {
+            ChunkSenderTuple tuple = new ChunkSenderTuple(epSender);
+            tuple.BeginReceiveException = true;
+            m_chunksToLoad.Enqueue(tuple);
+        }
+        
+        /// <summary>
         /// Load some data to be received by the LLUDPServer on the next receive call
         /// </summary>
         /// <param name="data"></param>
@@ -118,14 +134,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
     /// Record the data and sender tuple
     /// </summary>
     public class ChunkSenderTuple
-    {
+    {        
         public byte[] Data;
         public EndPoint Sender;
+        public bool BeginReceiveException;
         
         public ChunkSenderTuple(byte[] data, EndPoint sender)
         {
             Data = data;
             Sender = sender;
         }
+        
+        public ChunkSenderTuple(EndPoint sender)
+        {
+            Sender = sender;
+        }
     }
 }
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