From 5a18ea31cf9d9a97fc1a65f8623b633c244221c2 Mon Sep 17 00:00:00 2001
From: Melanie Thielker
Date: Mon, 30 Jan 2017 13:59:05 +0000
Subject: Make negative asset caching actually work

Also fixes some merge artefacts in HGAssetBroker where cached assets
were requested but not actually used and completely squelch a materials
debug message because there is nothing the user can do to fix it anyway.
---
 .../Connectors/Asset/AssetServicesConnector.cs     | 37 ++++++++++++++++++----
 1 file changed, 31 insertions(+), 6 deletions(-)

(limited to 'OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs')

diff --git a/OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs b/OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs
index 3fa8b54..9595e7b 100644
--- a/OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs
+++ b/OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs
@@ -243,8 +243,16 @@ namespace OpenSim.Services.Connectors
             string uri = MapServer(id) + "/assets/" + id;
 
             AssetBase asset = null;
+
             if (m_Cache != null)
-                asset = m_Cache.Get(id);
+            {
+                bool negative;
+
+                asset = m_Cache.Get(id, out negative);
+
+                if (negative)
+                    return null;
+            }
 
             if (asset == null || asset.Data == null || asset.Data.Length == 0)
             {
@@ -275,8 +283,9 @@ namespace OpenSim.Services.Connectors
         {
 //            m_log.DebugFormat("[ASSET SERVICE CONNECTOR]: Cache request for {0}", id);
 
+            bool negative;
             if (m_Cache != null)
-                return m_Cache.Get(id);
+                return m_Cache.Get(id, out negative);
 
             return null;
         }
@@ -285,7 +294,11 @@ namespace OpenSim.Services.Connectors
         {
             if (m_Cache != null)
             {
-                AssetBase fullAsset = m_Cache.Get(id);
+                bool negative;
+                AssetBase fullAsset = m_Cache.Get(id, out negative);
+
+                if (negative)
+                    return null;
 
                 if (fullAsset != null)
                     return fullAsset.Metadata;
@@ -301,7 +314,11 @@ namespace OpenSim.Services.Connectors
         {
             if (m_Cache != null)
             {
-                AssetBase fullAsset = m_Cache.Get(id);
+                bool negative;
+                AssetBase fullAsset = m_Cache.Get(id, out negative);
+
+                if (negative)
+                    return null;
 
                 if (fullAsset != null)
                     return fullAsset.Data;
@@ -389,7 +406,14 @@ namespace OpenSim.Services.Connectors
 
             AssetBase asset = null;
             if (m_Cache != null)
-                asset = m_Cache.Get(id);
+            {
+                bool negative;
+
+                asset = m_Cache.Get(id, out negative);
+
+                if (negative)
+                    return false;
+            }
 
             if (asset == null || asset.Data == null || asset.Data.Length == 0)
             {
@@ -589,8 +613,9 @@ namespace OpenSim.Services.Connectors
         {
             AssetBase asset = null;
 
+            bool negative;
             if (m_Cache != null)
-                asset = m_Cache.Get(id);
+                asset = m_Cache.Get(id, out negative);
 
             if (asset == null)
             {
-- 
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