The other half of the asset fix. Implement an exponentially incrementing retry timer for asset upload failures. Total queue time in the ballpark of 24 hours, which should be a reasonable time for any grid admin to get their asset service back online. This should stop lost assets.

OpenSim/Framework/AssetBase.cs

@@ -60,6 +60,8 @@ namespace OpenSim.Framework
         /// </summary>
         private AssetMetadata m_metadata;
 
+        private int m_uploadAttempts;
+
         // This is needed for .NET serialization!!!
         // Do NOT "Optimize" away!
         public AssetBase()
@@ -197,6 +199,12 @@ namespace OpenSim.Framework
             set { m_metadata.Type = value; }
         }
 
+        public int UploadAttempts
+        {
+            get { return m_uploadAttempts; }
+            set { m_uploadAttempts = value; }
+        }
+
         /// <summary>
         /// Is this a region only asset, or does this exist on the asset server also
         /// </summary>