mantis 8181: don't try to delete contents of a non exitent folder

1 files changed, 13 insertions, 4 deletions

diff --git a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
index 610e279..e5ac17d 100644
--- a/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
+++ b/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs
@@ -646,7 +646,7 @@ namespace OpenSim.Region.CoreModules.Asset
             if (m_LogLevel >= 2)
                 m_log.Debug("[FLOTSAM ASSET CACHE]: Clearing caches.");
 
-            if (m_FileCacheEnabled)
+            if (m_FileCacheEnabled && Directory.Exists(m_CacheDirectory))
             {
                 foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
                 {
@@ -681,10 +681,10 @@ namespace OpenSim.Region.CoreModules.Asset
             // before cleaning up expired files we must scan the objects in the scene to make sure that we retain
             // such local assets if they have not been recently accessed.
             TouchAllSceneAssets(false);
-
-            foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
+            if(Directory.Exists(m_CacheDirectory))
             {
-                CleanExpiredFiles(dir, purgeLine);
+                foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
+                    CleanExpiredFiles(dir, purgeLine);
             }
 
             lock(timerLock)
@@ -706,6 +706,9 @@ namespace OpenSim.Region.CoreModules.Asset
         {
             try
             {
+                if(!Directory.Exists(dir))
+                    return;
+
                 foreach (string file in Directory.GetFiles(dir))
                 {
                     if (File.GetLastAccessTime(file) < purgeLine)
@@ -869,6 +872,9 @@ namespace OpenSim.Region.CoreModules.Asset
         /// <returns></returns>
         private int GetFileCacheCount(string dir)
         {
+            if(!Directory.Exists(dir))
+                return 0;
+
             int count = Directory.GetFiles(dir).Length;
 
             foreach (string subdir in Directory.GetDirectories(dir))
@@ -987,6 +993,9 @@ namespace OpenSim.Region.CoreModules.Asset
         /// </summary>
         private void ClearFileCache()
         {
+            if(!Directory.Exists(m_CacheDirectory))
+                return;
+
             foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
             {
                 try