* Add the ability to update profiles via the cache, so that cached profiles don't become stale

* Add corresponding unit test

OpenSim/Framework/Communications/Cache/CachedUserInfo.cs

@@ -65,7 +65,7 @@ namespace OpenSim.Framework.Communications.Cache
         private readonly CommunicationsManager m_commsManager;
 
         public UserProfileData UserProfile { get { return m_userProfile; } }
-        private readonly UserProfileData m_userProfile;
+        protected internal UserProfileData m_userProfile;
 
         /// <summary>
         /// Have we received the user's inventory from the inventory service?

OpenSim/Framework/Communications/Cache/UserProfileCacheService.cs

@@ -168,6 +168,29 @@ namespace OpenSim.Framework.Communications.Cache
             }
         }
         
+        /// <summary>
+        /// Update an existing profile
+        /// </summary>
+        /// <param name="userProfile"></param>
+        /// <returns>true if a user profile was found to update, false otherwise</returns>
+        public bool UpdateProfile(UserProfileData userProfile)
+        {            
+            lock (m_userProfilesById)
+            {            
+                CachedUserInfo userInfo = GetUserDetails(userProfile.ID);
+                
+                if (userInfo != null)
+                {
+                    userInfo.m_userProfile = userProfile;                   
+                    m_commsManager.UserService.UpdateUserProfile(userProfile);
+                    
+                    return true;
+                }
+            }
+            
+            return false;
+        }
+        
         /// <summary>
         /// Populate caches with the given user profile
         /// </summary>

OpenSim/Framework/Communications/Tests/Cache/UserProfileCacheServiceTests.cs

@@ -29,6 +29,7 @@ using NUnit.Framework;
 using NUnit.Framework.SyntaxHelpers;
 using OpenMetaverse;
 using OpenSim.Data;
+using OpenSim.Framework;
 using OpenSim.Framework.Communications.Cache;
 using OpenSim.Region.Communications.Local;
 using OpenSim.Tests.Common.Mock;
@@ -69,6 +70,34 @@ namespace OpenSim.Framework.Communications.Tests
             existingUserInfo = commsManager.UserProfileCacheService.GetUserDetails(firstName, lastName);
             Assert.That(existingUserInfo, Is.Not.Null, "User info not found by name");                       
         }
+        
+        [Test]
+        public void TestUpdateProfile()
+        {
+            UUID userId = UUID.Parse("00000000-0000-0000-0000-000000000292");
+            string firstName = "Inspector";
+            string originalLastName = "Morse";     
+            string newLastName = "Gadget";
+            
+            UserProfileData newProfile = new UserProfileData();
+            newProfile.ID = userId;
+            newProfile.FirstName = firstName;
+            newProfile.SurName = newLastName;
+            
+            TestCommunicationsManager commsManager = new TestCommunicationsManager();
+            UserProfileCacheService userCacheService = commsManager.UserProfileCacheService;
+            
+            // Check that we can't update info before it exists
+            Assert.That(userCacheService.UpdateProfile(newProfile), Is.False);
+            
+            // Check that we can update a profile once it exists
+            LocalUserServices lus = (LocalUserServices)commsManager.UserService;           
+            lus.AddUser(firstName, originalLastName, "pingu", "ted@excellentadventure.com", 1000, 1000, userId);
+            
+            Assert.That(userCacheService.UpdateProfile(newProfile), Is.True);
+            UserProfileData retrievedProfile = userCacheService.GetUserDetails(userId).UserProfile;
+            Assert.That(retrievedProfile.SurName, Is.EqualTo(newLastName));
+        }
 
         [Test]
         public void TestFetchInventory()