Make the asset retrieval concurrency a config switch. The current value

of 30 is still hanging badly on some mono versions. The switch defaults to
30 to preserve current behavior.

2 files changed, 12 insertions, 3 deletions

diff --git a/OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs b/OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs
index 086b5ad..2b2f11f 100644
--- a/OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs
+++ b/OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs
@@ -47,7 +47,8 @@ namespace OpenSim.Services.Connectors
 
         private string m_ServerURI = String.Empty;
         private IImprovedAssetCache m_Cache = null;
-
+        private int m_maxAssetRequestConcurrency = 30;
+        
         private delegate void AssetRetrievedEx(AssetBase asset);
 
         // Keeps track of concurrent requests for the same asset, so that it's only loaded once.
@@ -71,6 +72,10 @@ namespace OpenSim.Services.Connectors
 
         public virtual void Initialise(IConfigSource source)
         {
+            IConfig netconfig = source.Configs["Network"];
+            if (netconfig != null)
+                m_maxAssetRequestConcurrency = netconfig.GetInt("MaxRequestConcurrency",m_maxAssetRequestConcurrency);
+
             IConfig assetConfig = source.Configs["AssetService"];
             if (assetConfig == null)
             {
@@ -108,7 +113,7 @@ namespace OpenSim.Services.Connectors
             if (asset == null)
             {
                 asset = SynchronousRestObjectRequester.
-                        MakeRequest<int, AssetBase>("GET", uri, 0, 30);
+                        MakeRequest<int, AssetBase>("GET", uri, 0, m_maxAssetRequestConcurrency);
 
                 if (m_Cache != null)
                     m_Cache.Cache(asset);
@@ -221,7 +226,7 @@ namespace OpenSim.Services.Connectors
                                 m_AssetHandlers.Remove(id);
                             }
                             handlers.Invoke(a);
-                        }, 30);
+                        }, m_maxAssetRequestConcurrency);
                     
                     success = true;
                 }
diff --git a/bin/OpenSimDefaults.ini b/bin/OpenSimDefaults.ini
index 6e6a089..677ac74 100644
--- a/bin/OpenSimDefaults.ini
+++ b/bin/OpenSimDefaults.ini
@@ -427,6 +427,10 @@
     ; " (Mozilla Compatible)" to the text where there are problems with a web server
     ;user_agent = "OpenSim LSL (Mozilla Compatible)"
 
+    ; OpenSim can send multiple simultaneous requests for services such as asset
+    ; retrieval. However, some versions of mono appear to hang when there are too
+    ; many simultaneous requests, default is 30 and is currently applied only to assets
+    ;MaxRequestConcurrency = 30
 
 [XMLRPC]
     ; ##