From e06ee9fd4bb60c95009af516d92786de2a88f859 Mon Sep 17 00:00:00 2001
From: Tedd Hansen
Date: Sat, 2 Feb 2008 03:11:06 +0000
Subject: Added load/unload queue size limit Added option to share script
 load/unload thread between regions Added event execution queue size limit +
 some bugfixes from all the changes

---
 .../ScriptEngine/Common/ScriptEngineBase/EventQueueManager.cs  | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/EventQueueManager.cs')

diff --git a/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/EventQueueManager.cs b/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/EventQueueManager.cs
index fb20f40..7da2769 100644
--- a/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/EventQueueManager.cs
+++ b/OpenSim/Region/ScriptEngine/Common/ScriptEngineBase/EventQueueManager.cs
@@ -99,6 +99,8 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
         /// </summary>
         internal int numberOfThreads;
 
+        internal static int EventExecutionMaxQueueSize;
+
         /// <summary>
         /// Maximum time one function can use for execution before we perform a thread kill.
         /// </summary>
@@ -208,6 +210,7 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
             maxFunctionExecutionTimems = m_ScriptEngine.ScriptConfigSource.GetInt("MaxEventExecutionTimeMs", 5000);
             EnforceMaxExecutionTime = m_ScriptEngine.ScriptConfigSource.GetBoolean("EnforceMaxEventExecutionTime", false);
             KillScriptOnMaxFunctionExecutionTime = m_ScriptEngine.ScriptConfigSource.GetBoolean("DeactivateScriptOnTimeout", false);
+            EventExecutionMaxQueueSize = m_ScriptEngine.ScriptConfigSource.GetInt("EventExecutionMaxQueueSize", 300);
 
             // Now refresh config in all threads
             lock (eventQueueThreadsLock)
@@ -362,6 +365,13 @@ namespace OpenSim.Region.ScriptEngine.Common.ScriptEngineBase
         {
             lock (queueLock)
             {
+                if (eventQueue.Count >= EventExecutionMaxQueueSize)
+                {
+                    m_ScriptEngine.Log.Error(m_ScriptEngine.ScriptEngineName, "ERROR: Event execution queue item count is at " + eventQueue.Count + ". Config variable \"EventExecutionMaxQueueSize\" is set to " + EventExecutionMaxQueueSize + ", so ignoring new event.");
+                    m_ScriptEngine.Log.Error(m_ScriptEngine.ScriptEngineName, "Event ignored: localID: " + localID + ", itemID: " + itemID + ", FunctionName: " + FunctionName);
+                    return;
+                }
+
                 // Create a structure and add data
                 QueueItemStruct QIS = new QueueItemStruct();
                 QIS.localID = localID;
-- 
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