Stop exceptions being generated on agent connection if a telehub object has been deleted or has no spawn points.

2 files changed, 154 insertions, 15 deletions

diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index 567ce2a..59c5b09 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -3946,32 +3946,52 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                 }
 
+//                m_log.DebugFormat(
+//                    "[SCENE]: Found telehub object {0} for new user connection {1} to {2}", 
+//                    RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
+
                 // Honor Estate teleport routing via Telehubs excluding ViaHome and GodLike TeleportFlags
                 if (RegionInfo.RegionSettings.TelehubObject != UUID.Zero &&
                     RegionInfo.EstateSettings.AllowDirectTeleport == false &&
                     !viahome && !godlike)
                 {
                     SceneObjectGroup telehub = GetSceneObjectGroup(RegionInfo.RegionSettings.TelehubObject);
-                    // Can have multiple SpawnPoints
-                    List<SpawnPoint> spawnpoints = RegionInfo.RegionSettings.SpawnPoints();
-                    if (spawnpoints.Count > 1)
+
+                    if (telehub != null)
                     {
-                        // We have multiple SpawnPoints, Route the agent to a random or sequential one
-                        if (SpawnPointRouting == "random")
-                            acd.startpos = spawnpoints[Util.RandomClass.Next(spawnpoints.Count) - 1].GetLocation(
-                                telehub.AbsolutePosition,
-                                telehub.GroupRotation
-                            );
+                        // Can have multiple SpawnPoints
+                        List<SpawnPoint> spawnpoints = RegionInfo.RegionSettings.SpawnPoints();
+                        if (spawnpoints.Count > 1)
+                        {
+                            // We have multiple SpawnPoints, Route the agent to a random or sequential one
+                            if (SpawnPointRouting == "random")
+                                acd.startpos = spawnpoints[Util.RandomClass.Next(spawnpoints.Count) - 1].GetLocation(
+                                    telehub.AbsolutePosition,
+                                    telehub.GroupRotation
+                                );
+                            else
+                                acd.startpos = spawnpoints[SpawnPoint()].GetLocation(
+                                    telehub.AbsolutePosition,
+                                    telehub.GroupRotation
+                                );
+                        }
+                        else if (spawnpoints.Count == 1)
+                        {
+                            // We have a single SpawnPoint and will route the agent to it
+                            acd.startpos = spawnpoints[0].GetLocation(telehub.AbsolutePosition, telehub.GroupRotation);
+                        }
                         else
-                            acd.startpos = spawnpoints[SpawnPoint()].GetLocation(
-                                telehub.AbsolutePosition,
-                                telehub.GroupRotation
-                            );
+                        {
+                            m_log.DebugFormat(
+                                "[SCENE]: No spawnpoints defined for telehub {0} for {1} in {2}.  Continuing.", 
+                                RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
+                        }
                     }
                     else
                     {
-                        // We have a single SpawnPoint and will route the agent to it
-                        acd.startpos = spawnpoints[0].GetLocation(telehub.AbsolutePosition, telehub.GroupRotation);
+                        m_log.DebugFormat(
+                            "[SCENE]: No telehub {0} found to direct {1} in {2}.  Continuing.", 
+                            RegionInfo.RegionSettings.TelehubObject, acd.Name, Name);
                     }
 
                     return true;
diff --git a/OpenSim/Region/Framework/Scenes/Tests/SceneTelehubTests.cs b/OpenSim/Region/Framework/Scenes/Tests/SceneTelehubTests.cs
new file mode 100644
index 0000000..9a97acc
--- /dev/null
+++ b/OpenSim/Region/Framework/Scenes/Tests/SceneTelehubTests.cs
@@ -0,0 +1,119 @@
+/*
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.CoreModules.World.Estate;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Services.Interfaces;
+using OpenSim.Tests.Common;
+using OpenSim.Tests.Common.Mock;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    /// <summary>
+    /// Scene telehub tests
+    /// </summary>
+    /// <remarks>
+    /// TODO: Tests which run through normal functionality.  Currently, the only test is one that checks behaviour
+    /// in the case of an error condition
+    /// </remarks>
+    [TestFixture]
+    public class SceneTelehubTests : OpenSimTestCase
+    {
+        /// <summary>
+        /// Test for desired behaviour when a telehub has no spawn points
+        /// </summary>
+        [Test]
+        public void TestNoTelehubSpawnPoints()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            EstateManagementModule emm = new EstateManagementModule();
+
+            SceneHelpers sh = new SceneHelpers();
+            Scene scene = sh.SetupScene();
+            SceneHelpers.SetupSceneModules(scene, emm);
+
+            UUID telehubSceneObjectOwner = TestHelpers.ParseTail(0x1);
+
+            SceneObjectGroup telehubSo = SceneHelpers.AddSceneObject(scene, "telehubObject", telehubSceneObjectOwner);
+
+            emm.HandleOnEstateManageTelehub(null, UUID.Zero, UUID.Zero, "connect", telehubSo.LocalId);
+            scene.RegionInfo.EstateSettings.AllowDirectTeleport = false;
+
+            // Must still be possible to successfully log in
+            UUID loggingInUserId = TestHelpers.ParseTail(0x2);
+
+            UserAccount ua 
+                = UserAccountHelpers.CreateUserWithInventory(scene, "Test", "User", loggingInUserId, "password");
+
+            SceneHelpers.AddScenePresence(scene, ua);
+
+            Assert.That(scene.GetScenePresence(loggingInUserId), Is.Not.Null);
+        }
+
+        /// <summary>
+        /// Test for desired behaviour when the scene object nominated as a telehub object does not exist.
+        /// </summary>
+        [Test]
+        public void TestNoTelehubSceneObject()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            EstateManagementModule emm = new EstateManagementModule();
+
+            SceneHelpers sh = new SceneHelpers();
+            Scene scene = sh.SetupScene();
+            SceneHelpers.SetupSceneModules(scene, emm);
+
+            UUID telehubSceneObjectOwner = TestHelpers.ParseTail(0x1);
+
+            SceneObjectGroup telehubSo = SceneHelpers.AddSceneObject(scene, "telehubObject", telehubSceneObjectOwner);
+            SceneObjectGroup spawnPointSo = SceneHelpers.AddSceneObject(scene, "spawnpointObject", telehubSceneObjectOwner);
+
+            emm.HandleOnEstateManageTelehub(null, UUID.Zero, UUID.Zero, "connect", telehubSo.LocalId);
+            emm.HandleOnEstateManageTelehub(null, UUID.Zero, UUID.Zero, "spawnpoint add", spawnPointSo.LocalId);
+            scene.RegionInfo.EstateSettings.AllowDirectTeleport = false;
+
+            scene.DeleteSceneObject(telehubSo, false);
+
+            // Must still be possible to successfully log in
+            UUID loggingInUserId = TestHelpers.ParseTail(0x2);
+
+            UserAccount ua 
+                = UserAccountHelpers.CreateUserWithInventory(scene, "Test", "User", loggingInUserId, "password");
+
+            SceneHelpers.AddScenePresence(scene, ua);
+
+            Assert.That(scene.GetScenePresence(loggingInUserId), Is.Not.Null);
+        }
+    }
+}
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