From efc74803424a5e12ce780ecdd839d144123ae79e Mon Sep 17 00:00:00 2001
From: UbitUmarov
Date: Mon, 22 Jan 2018 18:37:39 +0000
Subject: throtle datasnapshot gen

---
 .../OptionalModules/DataSnapshot/DataSnapshotManager.cs     | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'OpenSim/Region/OptionalModules/DataSnapshot/DataSnapshotManager.cs')

diff --git a/OpenSim/Region/OptionalModules/DataSnapshot/DataSnapshotManager.cs b/OpenSim/Region/OptionalModules/DataSnapshot/DataSnapshotManager.cs
index 0436f96..88fa1ae 100644
--- a/OpenSim/Region/OptionalModules/DataSnapshot/DataSnapshotManager.cs
+++ b/OpenSim/Region/OptionalModules/DataSnapshot/DataSnapshotManager.cs
@@ -32,6 +32,7 @@ using System.IO;
 using System.Linq;
 using System.Net;
 using System.Reflection;
+using System.Threading;
 using System.Text;
 using System.Xml;
 using log4net;
@@ -64,6 +65,7 @@ namespace OpenSim.Region.DataSnapshot
         //Various internal objects
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
         internal object m_syncInit = new object();
+        private object m_serializeGen = new object();
 
         //DataServices and networking
         private string m_dataServices = "noservices";
@@ -321,6 +323,11 @@ namespace OpenSim.Region.DataSnapshot
          */
         public XmlDocument GetSnapshot(string regionName)
         {
+            if(!Monitor.TryEnter(m_serializeGen,30000))
+            {
+                return null;
+            }
+
             CheckStale();
 
             XmlDocument requestedSnap = new XmlDocument();
@@ -360,9 +367,13 @@ namespace OpenSim.Region.DataSnapshot
                 m_log.Warn("[DATASNAPSHOT]: Caught unknown exception while trying to load snapshot: " + e.StackTrace);
                 requestedSnap = GetErrorMessage(regionName, e);
             }
-
+            finally
+            {
+                Monitor.Exit(m_serializeGen);
+            }
 
             return requestedSnap;
+
         }
 
         private XmlDocument GetErrorMessage(string regionName, Exception e)
-- 
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