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authorDan Lake2011-10-06 22:47:33 -0700
committerDan Lake2011-10-06 22:47:33 -0700
commit4748c19bdbcdcaf6050e1f04a5f7394a88e0bf3e (patch)
treedc2b8f85bebe216378d54dab9410f0a8805145cf /OpenSim
parentMerge branch 'master' of ssh://opensimulator.org/var/git/opensim (diff)
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Refactored "known child region" in ScenePresence. There were 4 different
ways to access the list/dictionary of child regions and locking was inconsistent. There are now public properties which enforce locks. Callers are no longer required to create new copies of lists.
Diffstat (limited to 'OpenSim')
-rw-r--r--OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs2
-rw-r--r--OpenSim/Region/Framework/Scenes/Scene.cs19
-rw-r--r--OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs2
-rw-r--r--OpenSim/Region/Framework/Scenes/ScenePresence.cs134
-rw-r--r--OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs11
5 files changed, 79 insertions, 89 deletions
diff --git a/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs b/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
index 083ee33..f4d2fda 100644
--- a/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
+++ b/OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs
@@ -351,7 +351,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
351 351
352 // the avatar.Close below will clear the child region list. We need this below for (possibly) 352 // the avatar.Close below will clear the child region list. We need this below for (possibly)
353 // closing the child agents, so save it here (we need a copy as it is Clear()-ed). 353 // closing the child agents, so save it here (we need a copy as it is Clear()-ed).
354 //List<ulong> childRegions = new List<ulong>(avatar.GetKnownRegionList()); 354 //List<ulong> childRegions = avatar.KnownRegionHandles;
355 // Compared to ScenePresence.CrossToNewRegion(), there's no obvious code to handle a teleport 355 // Compared to ScenePresence.CrossToNewRegion(), there's no obvious code to handle a teleport
356 // failure at this point (unlike a border crossing failure). So perhaps this can never fail 356 // failure at this point (unlike a border crossing failure). So perhaps this can never fail
357 // once we reach here... 357 // once we reach here...
diff --git a/OpenSim/Region/Framework/Scenes/Scene.cs b/OpenSim/Region/Framework/Scenes/Scene.cs
index b1755ac..992e6c5 100644
--- a/OpenSim/Region/Framework/Scenes/Scene.cs
+++ b/OpenSim/Region/Framework/Scenes/Scene.cs
@@ -1109,9 +1109,8 @@ namespace OpenSim.Region.Framework.Scenes
1109 1109
1110 // Kick all ROOT agents with the message, 'The simulator is going down' 1110 // Kick all ROOT agents with the message, 'The simulator is going down'
1111 ForEachScenePresence(delegate(ScenePresence avatar) 1111 ForEachScenePresence(delegate(ScenePresence avatar)
1112 { 1112 {
1113 if (avatar.KnownChildRegionHandles.Contains(RegionInfo.RegionHandle)) 1113 avatar.RemoveNeighbourRegion(RegionInfo.RegionHandle);
1114 avatar.KnownChildRegionHandles.Remove(RegionInfo.RegionHandle);
1115 1114
1116 if (!avatar.IsChildAgent) 1115 if (!avatar.IsChildAgent)
1117 avatar.ControllingClient.Kick("The simulator is going down."); 1116 avatar.ControllingClient.Kick("The simulator is going down.");
@@ -3103,14 +3102,8 @@ namespace OpenSim.Region.Framework.Scenes
3103 avatar.Scene.NeedSceneCacheClear(avatar.UUID); 3102 avatar.Scene.NeedSceneCacheClear(avatar.UUID);
3104 3103
3105 if (closeChildAgents && !avatar.IsChildAgent) 3104 if (closeChildAgents && !avatar.IsChildAgent)
3106 { 3105 {
3107 //List<ulong> childknownRegions = new List<ulong>(); 3106 List<ulong> regions = avatar.KnownRegionHandles;
3108 //List<ulong> ckn = avatar.KnownChildRegionHandles;
3109 //for (int i = 0; i < ckn.Count; i++)
3110 //{
3111 // childknownRegions.Add(ckn[i]);
3112 //}
3113 List<ulong> regions = new List<ulong>(avatar.KnownChildRegionHandles);
3114 regions.Remove(RegionInfo.RegionHandle); 3107 regions.Remove(RegionInfo.RegionHandle);
3115 m_sceneGridService.SendCloseChildAgentConnections(agentID, regions); 3108 m_sceneGridService.SendCloseChildAgentConnections(agentID, regions);
3116 } 3109 }
@@ -3181,7 +3174,7 @@ namespace OpenSim.Region.Framework.Scenes
3181 { 3174 {
3182 for (int i = 0; i < regionslst.Count; i++) 3175 for (int i = 0; i < regionslst.Count; i++)
3183 { 3176 {
3184 av.KnownChildRegionHandles.Remove(regionslst[i]); 3177 av.RemoveNeighbourRegion(regionslst[i]);
3185 } 3178 }
3186 } 3179 }
3187 } 3180 }
@@ -3674,7 +3667,7 @@ namespace OpenSim.Region.Framework.Scenes
3674 3667
3675 if (RegionSecret == loggingOffUser.ControllingClient.SecureSessionId || (parsedsecret && RegionSecret == localRegionSecret)) 3668 if (RegionSecret == loggingOffUser.ControllingClient.SecureSessionId || (parsedsecret && RegionSecret == localRegionSecret))
3676 { 3669 {
3677 m_sceneGridService.SendCloseChildAgentConnections(loggingOffUser.UUID, new List<ulong>(loggingOffUser.KnownRegions.Keys)); 3670 m_sceneGridService.SendCloseChildAgentConnections(loggingOffUser.UUID, loggingOffUser.KnownRegionHandles);
3678 loggingOffUser.ControllingClient.Kick(message); 3671 loggingOffUser.ControllingClient.Kick(message);
3679 // Give them a second to receive the message! 3672 // Give them a second to receive the message!
3680 Thread.Sleep(1000); 3673 Thread.Sleep(1000);
diff --git a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
index 837e655..7cffa70 100644
--- a/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneCommunicationService.cs
@@ -229,7 +229,7 @@ namespace OpenSim.Region.Framework.Scenes
229 { 229 {
230 uint x = 0, y = 0; 230 uint x = 0, y = 0;
231 List<string> simulatorList = new List<string>(); 231 List<string> simulatorList = new List<string>();
232 foreach (ulong regionHandle in presence.KnownChildRegionHandles) 232 foreach (ulong regionHandle in presence.KnownRegionHandles)
233 { 233 {
234 if (regionHandle != m_regionInfo.RegionHandle) 234 if (regionHandle != m_regionInfo.RegionHandle)
235 { 235 {
diff --git a/OpenSim/Region/Framework/Scenes/ScenePresence.cs b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
index e4e5f17..e7ef377 100644
--- a/OpenSim/Region/Framework/Scenes/ScenePresence.cs
+++ b/OpenSim/Region/Framework/Scenes/ScenePresence.cs
@@ -219,11 +219,6 @@ namespace OpenSim.Region.Framework.Scenes
219 } 219 }
220 } 220 }
221 221
222
223 // neighbouring regions we have enabled a child agent in
224 // holds the seed cap for the child agent in that region
225 private Dictionary<ulong, string> m_knownChildRegions = new Dictionary<ulong, string>();
226
227 /// <summary> 222 /// <summary>
228 /// Copy of the script states while the agent is in transit. This state may 223 /// Copy of the script states while the agent is in transit. This state may
229 /// need to be placed back in case of transfer fail. 224 /// need to be placed back in case of transfer fail.
@@ -635,29 +630,6 @@ namespace OpenSim.Region.Framework.Scenes
635 set { m_health = value; } 630 set { m_health = value; }
636 } 631 }
637 632
638 /// <summary>
639 /// These are the region handles known by the avatar.
640 /// </summary>
641 public List<ulong> KnownChildRegionHandles
642 {
643 get
644 {
645 if (m_knownChildRegions.Count == 0)
646 return new List<ulong>();
647 else
648 return new List<ulong>(m_knownChildRegions.Keys);
649 }
650 }
651
652 public Dictionary<ulong, string> KnownRegions
653 {
654 get { return m_knownChildRegions; }
655 set
656 {
657 m_knownChildRegions = value;
658 }
659 }
660
661 private ISceneViewer m_sceneViewer; 633 private ISceneViewer m_sceneViewer;
662 634
663 public ISceneViewer SceneViewer 635 public ISceneViewer SceneViewer
@@ -1103,7 +1075,11 @@ namespace OpenSim.Region.Framework.Scenes
1103 public void StopFlying() 1075 public void StopFlying()
1104 { 1076 {
1105 ControllingClient.StopFlying(this); 1077 ControllingClient.StopFlying(this);
1106 } 1078 }
1079
1080 // neighbouring regions we have enabled a child agent in
1081 // holds the seed cap for the child agent in that region
1082 private Dictionary<ulong, string> m_knownChildRegions = new Dictionary<ulong, string>();
1107 1083
1108 public void AddNeighbourRegion(ulong regionHandle, string cap) 1084 public void AddNeighbourRegion(ulong regionHandle, string cap)
1109 { 1085 {
@@ -1119,14 +1095,14 @@ namespace OpenSim.Region.Framework.Scenes
1119 } 1095 }
1120 1096
1121 public void RemoveNeighbourRegion(ulong regionHandle) 1097 public void RemoveNeighbourRegion(ulong regionHandle)
1122 { 1098 {
1123 lock (m_knownChildRegions) 1099 lock (m_knownChildRegions)
1124 { 1100 {
1125 if (m_knownChildRegions.ContainsKey(regionHandle)) 1101 // Checking ContainsKey is redundant as Remove works either way and returns a bool
1126 { 1102 // This is here to allow the Debug output to be conditional on removal
1127 m_knownChildRegions.Remove(regionHandle); 1103 //if (m_knownChildRegions.ContainsKey(regionHandle))
1128 //m_log.Debug(" !!! removing known region {0} in {1}. Count = {2}", regionHandle, Scene.RegionInfo.RegionName, m_knownChildRegions.Count); 1104 // m_log.DebugFormat(" !!! removing known region {0} in {1}. Count = {2}", regionHandle, Scene.RegionInfo.RegionName, m_knownChildRegions.Count);
1129 } 1105 m_knownChildRegions.Remove(regionHandle);
1130 } 1106 }
1131 } 1107 }
1132 1108
@@ -1137,11 +1113,39 @@ namespace OpenSim.Region.Framework.Scenes
1137 RemoveNeighbourRegion(handle); 1113 RemoveNeighbourRegion(handle);
1138 Scene.CapsModule.DropChildSeed(UUID, handle); 1114 Scene.CapsModule.DropChildSeed(UUID, handle);
1139 } 1115 }
1140 } 1116 }
1141 1117
1142 public List<ulong> GetKnownRegionList() 1118 public Dictionary<ulong, string> KnownRegions
1143 { 1119 {
1144 return new List<ulong>(m_knownChildRegions.Keys); 1120 get
1121 {
1122 lock (m_knownChildRegions)
1123 return new Dictionary<ulong, string>(m_knownChildRegions);
1124 }
1125 set
1126 {
1127 // Replacing the reference is atomic but we still need to lock on
1128 // the original dictionary object which may be in use elsewhere
1129 lock (m_knownChildRegions)
1130 m_knownChildRegions = value;
1131 }
1132 }
1133
1134 public List<ulong> KnownRegionHandles
1135 {
1136 get
1137 {
1138 return new List<ulong>(KnownRegions.Keys);
1139 }
1140 }
1141
1142 public int KnownRegionCount
1143 {
1144 get
1145 {
1146 lock (m_knownChildRegions)
1147 return m_knownChildRegions.Count;
1148 }
1145 } 1149 }
1146 1150
1147 #endregion 1151 #endregion
@@ -2730,7 +2734,7 @@ namespace OpenSim.Region.Framework.Scenes
2730 2734
2731 // Throttles 2735 // Throttles
2732 float multiplier = 1; 2736 float multiplier = 1;
2733 int childRegions = m_knownChildRegions.Count; 2737 int childRegions = KnownRegionCount;
2734 if (childRegions != 0) 2738 if (childRegions != 0)
2735 multiplier = 1f / childRegions; 2739 multiplier = 1f / childRegions;
2736 2740
@@ -2982,30 +2986,28 @@ namespace OpenSim.Region.Framework.Scenes
2982 /// <returns></returns> 2986 /// <returns></returns>
2983 public void CloseChildAgents(uint newRegionX, uint newRegionY) 2987 public void CloseChildAgents(uint newRegionX, uint newRegionY)
2984 { 2988 {
2985 List<ulong> byebyeRegions = new List<ulong>(); 2989 List<ulong> byebyeRegions = new List<ulong>();
2990 List<ulong> knownRegions = KnownRegionHandles;
2986 m_log.DebugFormat( 2991 m_log.DebugFormat(
2987 "[SCENE PRESENCE]: Closing child agents. Checking {0} regions in {1}", 2992 "[SCENE PRESENCE]: Closing child agents. Checking {0} regions in {1}",
2988 m_knownChildRegions.Keys.Count, Scene.RegionInfo.RegionName); 2993 knownRegions.Count, Scene.RegionInfo.RegionName);
2989 //DumpKnownRegions(); 2994 //DumpKnownRegions();
2990 2995
2991 lock (m_knownChildRegions) 2996 foreach (ulong handle in knownRegions)
2992 { 2997 {
2993 foreach (ulong handle in m_knownChildRegions.Keys) 2998 // Don't close the agent on this region yet
2999 if (handle != Scene.RegionInfo.RegionHandle)
2994 { 3000 {
2995 // Don't close the agent on this region yet 3001 uint x, y;
2996 if (handle != Scene.RegionInfo.RegionHandle) 3002 Utils.LongToUInts(handle, out x, out y);
3003 x = x / Constants.RegionSize;
3004 y = y / Constants.RegionSize;
3005
3006 //m_log.Debug("---> x: " + x + "; newx:" + newRegionX + "; Abs:" + (int)Math.Abs((int)(x - newRegionX)));
3007 //m_log.Debug("---> y: " + y + "; newy:" + newRegionY + "; Abs:" + (int)Math.Abs((int)(y - newRegionY)));
3008 if (Util.IsOutsideView(DrawDistance, x, newRegionX, y, newRegionY))
2997 { 3009 {
2998 uint x, y; 3010 byebyeRegions.Add(handle);
2999 Utils.LongToUInts(handle, out x, out y);
3000 x = x / Constants.RegionSize;
3001 y = y / Constants.RegionSize;
3002
3003 //m_log.Debug("---> x: " + x + "; newx:" + newRegionX + "; Abs:" + (int)Math.Abs((int)(x - newRegionX)));
3004 //m_log.Debug("---> y: " + y + "; newy:" + newRegionY + "; Abs:" + (int)Math.Abs((int)(y - newRegionY)));
3005 if (Util.IsOutsideView(DrawDistance, x, newRegionX, y, newRegionY))
3006 {
3007 byebyeRegions.Add(handle);
3008 }
3009 } 3011 }
3010 } 3012 }
3011 } 3013 }
@@ -3123,7 +3125,7 @@ namespace OpenSim.Region.Framework.Scenes
3123 3125
3124 // Throttles 3126 // Throttles
3125 float multiplier = 1; 3127 float multiplier = 1;
3126 int childRegions = m_knownChildRegions.Count; 3128 int childRegions = KnownRegionCount;
3127 if (childRegions != 0) 3129 if (childRegions != 0)
3128 multiplier = 1f / childRegions; 3130 multiplier = 1f / childRegions;
3129 3131
@@ -3432,12 +3434,10 @@ namespace OpenSim.Region.Framework.Scenes
3432 public void Close() 3434 public void Close()
3433 { 3435 {
3434 if (!IsChildAgent) 3436 if (!IsChildAgent)
3435 m_scene.AttachmentsModule.DeleteAttachmentsFromScene(this, false); 3437 m_scene.AttachmentsModule.DeleteAttachmentsFromScene(this, false);
3436 3438
3437 lock (m_knownChildRegions) 3439 // Clear known regions
3438 { 3440 KnownRegions = new Dictionary<ulong, string>();
3439 m_knownChildRegions.Clear();
3440 }
3441 3441
3442 lock (m_reprioritization_timer) 3442 lock (m_reprioritization_timer)
3443 { 3443 {
diff --git a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs
index ce9d418..119eb1f 100644
--- a/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs
+++ b/OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs
@@ -215,11 +215,9 @@ namespace OpenSim.Region.Framework.Scenes.Tests
215 string cap = presence.ControllingClient.RequestClientInfo().CapsPath; 215 string cap = presence.ControllingClient.RequestClientInfo().CapsPath;
216 216
217 presence.AddNeighbourRegion(region2, cap); 217 presence.AddNeighbourRegion(region2, cap);
218 presence.AddNeighbourRegion(region3, cap); 218 presence.AddNeighbourRegion(region3, cap);
219 219
220 List<ulong> neighbours = presence.GetKnownRegionList(); 220 Assert.That(presence.KnownRegionCount, Is.EqualTo(2));
221
222 Assert.That(neighbours.Count, Is.EqualTo(2));
223 } 221 }
224 222
225 [Test] 223 [Test]
@@ -230,8 +228,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
230 ScenePresence presence = scene.GetScenePresence(agent1); 228 ScenePresence presence = scene.GetScenePresence(agent1);
231 presence.RemoveNeighbourRegion(region3); 229 presence.RemoveNeighbourRegion(region3);
232 230
233 List<ulong> neighbours = presence.GetKnownRegionList(); 231 Assert.That(presence.KnownRegionCount,Is.EqualTo(1));
234 Assert.That(neighbours.Count,Is.EqualTo(1));
235 /* 232 /*
236 presence.MakeChildAgent; 233 presence.MakeChildAgent;
237 presence.MakeRootAgent; 234 presence.MakeRootAgent;