6 files changed, 347 insertions, 69 deletions

diff --git a/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml b/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml
index b3a9c98..43c5a58 100644
--- a/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml
+++ b/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml
@@ -15,6 +15,7 @@
         <RegionModule id="RemoteUserServicesConnector" type="OpenSim.Region.CoreModules.ServiceConnectors.User.RemoteUserServicesConnector" />
         <RegionModule id="LocalAssetServicesConnector" type="OpenSim.Region.CoreModules.ServiceConnectors.Asset.LocalAssetServicesConnector" />
         <RegionModule id="RemoteAssetServicesConnector" type="OpenSim.Region.CoreModules.ServiceConnectors.Asset.RemoteAssetServicesConnector" />
+        <RegionModule id="HGAssetBroker" type="OpenSim.Region.CoreModules.ServiceConnectors.Asset.HGAssetBroker" />
     </Extension>
 
     <Extension path = "/OpenSim/WindModule">
diff --git a/OpenSim/Region/CoreModules/ServiceConnectors/Asset/HGAssetBroker.cs b/OpenSim/Region/CoreModules/ServiceConnectors/Asset/HGAssetBroker.cs
new file mode 100644
index 0000000..37589fa
--- /dev/null
+++ b/OpenSim/Region/CoreModules/ServiceConnectors/Asset/HGAssetBroker.cs
@@ -0,0 +1,320 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSim Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using log4net;
+using Nini.Config;
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using OpenSim.Framework;
+using OpenSim.Servers.Base;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Services.Interfaces;
+
+namespace OpenSim.Region.CoreModules.ServiceConnectors.Asset
+{
+    public class HGAssetBroker :
+            ISharedRegionModule, IAssetService
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        private IImprovedAssetCache m_Cache = null;
+        private IAssetService m_LocalService;
+        private IAssetService m_HGService;
+
+        private bool m_Enabled = false;
+
+        public string Name
+        {
+            get { return "HGAssetBroker"; }
+        }
+
+        public void Initialise(IConfigSource source)
+        {
+            IConfig moduleConfig = source.Configs["Modules"];
+            if (moduleConfig != null)
+            {
+                string name = moduleConfig.GetString("AssetServices", "");
+                if (name == Name)
+                {
+                    IConfig assetConfig = source.Configs["AssetService"];
+                    if (assetConfig == null)
+                    {
+                        m_log.Error("[ASSET CONNECTOR]: AssetService missing from OpanSim.ini");
+                        return;
+                    }
+
+                    string localDll = assetConfig.GetString("LocalModule",
+                            String.Empty);
+                    string HGDll = assetConfig.GetString("HypergridModule",
+                            String.Empty);
+
+                    if (localDll == String.Empty)
+                    {
+                        m_log.Error("[ASSET CONNECTOR]: No LocalModule named in section AssetService");
+                        return;
+                    }
+
+                    if (HGDll == String.Empty)
+                    {
+                        m_log.Error("[ASSET CONNECTOR]: No HypergridModule named in section AssetService");
+                        return;
+                    }
+
+                    Object[] args = new Object[] { source };
+                    m_LocalService =
+                            ServerUtils.LoadPlugin<IAssetService>(localDll,
+                            args);
+
+                    m_HGService =
+                            ServerUtils.LoadPlugin<IAssetService>(HGDll,
+                            args);
+
+                    if (m_LocalService == null)
+                    {
+                        m_log.Error("[ASSET CONNECTOR]: Can't load local asset service");
+                        return;
+                    }
+                    if (m_HGService == null)
+                    {
+                        m_log.Error("[ASSET CONNECTOR]: Can't load hypergrid asset service");
+                        return;
+                    }
+
+                    m_Enabled = true;
+                    m_log.Info("[ASSET CONNECTOR]: HG asset broker enabled");
+                }
+            }
+        }
+
+        public void PostInitialise()
+        {
+        }
+
+        public void Close()
+        {
+        }
+
+        public void AddRegion(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            scene.RegisterModuleInterface<IAssetService>(this);
+        }
+
+        public void RemoveRegion(Scene scene)
+        {
+        }
+
+        public void RegionLoaded(Scene scene)
+        {
+            if (!m_Enabled)
+                return;
+
+            if (m_Cache == null)
+            {
+                m_Cache = scene.RequestModuleInterface<IImprovedAssetCache>();
+
+                if (!(m_Cache is ISharedRegionModule))
+                    m_Cache = null;
+            }
+
+            m_log.InfoFormat("[ASSET CONNECTOR]: Enabled hypergrid asset broker for region {0}", scene.RegionInfo.RegionName);
+
+            if (m_Cache != null)
+            {
+                m_log.InfoFormat("[ASSET CONNECTOR]: Enabled asset caching for region {0}", scene.RegionInfo.RegionName);
+            }
+        }
+
+        private bool IsHG(string id)
+        {
+            Uri assetUri;
+
+            if (Uri.TryCreate(id, UriKind.Absolute, out assetUri) &&
+                    assetUri.Scheme == Uri.UriSchemeHttp)
+                return true;
+
+            return false;
+        }
+
+        public AssetBase Get(string id)
+        {
+            AssetBase asset = null;
+            
+            if (m_Cache != null)
+            {
+                m_Cache.Get(id);
+
+                if (asset != null)
+                    return asset;
+            }
+
+            if (IsHG(id))
+                asset = m_HGService.Get(id);
+            else
+                asset = m_LocalService.Get(id);
+
+            if (asset != null)
+            {
+                if (m_Cache != null)
+                    m_Cache.Cache(asset);
+            }
+
+            return asset;
+        }
+
+        public AssetMetadata GetMetadata(string id)
+        {
+            AssetBase asset = null;
+            
+            if (m_Cache != null)
+            {
+                if (m_Cache != null)
+                    m_Cache.Get(id);
+
+                if (asset != null)
+                    return asset.Metadata;
+            }
+
+            AssetMetadata metadata;
+
+            if (IsHG(id))
+                metadata = m_HGService.GetMetadata(id);
+            else
+                metadata = m_LocalService.GetMetadata(id);
+
+            return metadata;
+        }
+
+        public byte[] GetData(string id)
+        {
+            AssetBase asset = null;
+            
+            if (m_Cache != null)
+            {
+                if (m_Cache != null)
+                    m_Cache.Get(id);
+
+                if (asset != null)
+                    return asset.Data;
+            }
+
+            if (IsHG(id))
+                asset = m_HGService.Get(id);
+            else
+                asset = m_LocalService.Get(id);
+
+            if (asset != null)
+            {
+                if (m_Cache != null)
+                    m_Cache.Cache(asset);
+                return asset.Data;
+            }
+
+            return null;
+        }
+
+        public bool Get(string id, Object sender, AssetRetrieved handler)
+        {
+            AssetBase asset = null;
+            
+            if (m_Cache != null)
+                asset = m_Cache.Get(id);
+
+            if (asset != null)
+            {
+                handler(id, sender, asset);
+                return true;
+            }
+
+            if (IsHG(id))
+            {
+                return m_HGService.Get(id, sender, delegate (string assetID, Object s, AssetBase a)
+                {
+                    if (a != null && m_Cache != null)
+                        m_Cache.Cache(a);
+                    handler(assetID, s, a);
+                });
+            }
+            else
+            {
+                return m_LocalService.Get(id, sender, delegate (string assetID, Object s, AssetBase a)
+                {
+                    if (a != null && m_Cache != null)
+                        m_Cache.Cache(a);
+                    handler(assetID, s, a);
+                });
+            }
+        }
+
+        public string Store(AssetBase asset)
+        {
+            if (m_Cache != null)
+                m_Cache.Cache(asset);
+
+            if (IsHG(asset.ID))
+                return m_HGService.Store(asset);
+            else
+                return m_LocalService.Store(asset);
+        }
+
+        public bool UpdateContent(string id, byte[] data)
+        {
+            AssetBase asset = null;
+            
+            if (m_Cache != null)
+                asset = m_Cache.Get(id);
+
+            if (asset != null)
+            {
+                asset.Data = data;
+                m_Cache.Cache(asset);
+            }
+
+            if (IsHG(id))
+                return m_HGService.UpdateContent(id, data);
+            else
+                return m_LocalService.UpdateContent(id, data);
+        }
+
+        public bool Delete(string id)
+        {
+            if (m_Cache != null)
+                m_Cache.Expire(id);
+
+            if (IsHG(id))
+                return m_HGService.Delete(id);
+            else
+                return m_LocalService.Delete(id);
+        }
+    }
+}
diff --git a/OpenSim/Region/CoreModules/ServiceConnectors/Asset/LocalAssetServiceConnector.cs b/OpenSim/Region/CoreModules/ServiceConnectors/Asset/LocalAssetServiceConnector.cs
index 6f0a7f8..1aaf552 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectors/Asset/LocalAssetServiceConnector.cs
+++ b/OpenSim/Region/CoreModules/ServiceConnectors/Asset/LocalAssetServiceConnector.cs
@@ -71,12 +71,12 @@ namespace OpenSim.Region.CoreModules.ServiceConnectors.Asset
                         return;
                     }
 
-                    string serviceDll = assetConfig.GetString("Module",
+                    string serviceDll = assetConfig.GetString("LocalServiceModule",
                             String.Empty);
 
                     if (serviceDll == String.Empty)
                     {
-                        m_log.Error("[ASSET CONNECTOR]: No ServiceDll named in section AssetService");
+                        m_log.Error("[ASSET CONNECTOR]: No LocalServiceModule named in section AssetService");
                         return;
                     }
 
diff --git a/OpenSim/Services/AssetService/AssetService.cs b/OpenSim/Services/AssetService/AssetService.cs
index 1e038d4..bc6d752 100644
--- a/OpenSim/Services/AssetService/AssetService.cs
+++ b/OpenSim/Services/AssetService/AssetService.cs
@@ -59,6 +59,8 @@ namespace OpenSim.Services.AssetService
                         {
                             Store(a);
                         });
+                
+                m_log.Info("[ASSET CONNECTOR]: Local asset service enabled");
             }
         }
 
diff --git a/OpenSim/Region/CoreModules/ServiceConnectors/Asset/HGAssetServiceConnector.cs b/OpenSim/Services/AssetService/HGAssetService.cs
index 58cc134..7415427 100644
--- a/OpenSim/Region/CoreModules/ServiceConnectors/Asset/HGAssetServiceConnector.cs
+++ b/OpenSim/Services/AssetService/HGAssetService.cs
@@ -28,91 +28,33 @@
 using log4net;
 using Nini.Config;
 using System;
-using System.Collections.Generic;
 using System.Reflection;
 using OpenSim.Framework;
-using OpenSim.Servers.Base;
-using OpenSim.Region.Framework.Interfaces;
-using OpenSim.Region.Framework.Scenes;
 using OpenSim.Services.Interfaces;
 
 namespace OpenSim.Region.CoreModules.ServiceConnectors.Asset
 {
-    public class HGAssetServicesConnector :
-            ISharedRegionModule, IAssetService
+    public class HGAssetService : IAssetService
     {
         private static readonly ILog m_log =
                 LogManager.GetLogger(
                 MethodBase.GetCurrentMethod().DeclaringType);
 
-        private IImprovedAssetCache m_Cache = null;
-
-        private bool m_Enabled = false;
-
-        public string Name
-        {
-            get { return "HGAssetServicesConnector"; }
-        }
-
-        public void Initialise(IConfigSource source)
+        public HGAssetService(IConfigSource source)
         {
             IConfig moduleConfig = source.Configs["Modules"];
             if (moduleConfig != null)
             {
                 string name = moduleConfig.GetString("AssetServices", "");
-                if (name == Name)
-                {
-                    IConfig assetConfig = source.Configs["AssetService"];
-                    if (assetConfig == null)
-                    {
-                        m_log.Error("[ASSET CONNECTOR]: AssetService missing from OpanSim.ini");
-                        return;
-                    }
 
-                    m_Enabled = true;
-                    m_log.Info("[ASSET CONNECTOR]: HG asset connector enabled");
+                IConfig assetConfig = source.Configs["AssetService"];
+                if (assetConfig == null)
+                {
+                    m_log.Error("[ASSET CONNECTOR]: AssetService missing from OpanSim.ini");
+                    return;
                 }
-            }
-        }
-
-        public void PostInitialise()
-        {
-        }
-
-        public void Close()
-        {
-        }
 
-        public void AddRegion(Scene scene)
-        {
-            if (!m_Enabled)
-                return;
-
-            scene.RegisterModuleInterface<IAssetService>(this);
-        }
-
-        public void RemoveRegion(Scene scene)
-        {
-        }
-
-        public void RegionLoaded(Scene scene)
-        {
-            if (!m_Enabled)
-                return;
-
-            if (m_Cache == null)
-            {
-                m_Cache = scene.RequestModuleInterface<IImprovedAssetCache>();
-
-                if (!(m_Cache is ISharedRegionModule))
-                    m_Cache = null;
-            }
-
-            m_log.InfoFormat("[ASSET CONNECTOR]: Enabled local assets for region {0}", scene.RegionInfo.RegionName);
-
-            if (m_Cache != null)
-            {
-                m_log.InfoFormat("[ASSET CONNECTOR]: Enabled asset caching for region {0}", scene.RegionInfo.RegionName);
+                m_log.Info("[ASSET CONNECTOR]: HG asset service enabled");
             }
         }
 
diff --git a/bin/OpenSim.ini.example b/bin/OpenSim.ini.example
index 2aa9d75..745b678 100644
--- a/bin/OpenSim.ini.example
+++ b/bin/OpenSim.ini.example
@@ -1297,10 +1297,13 @@
     ; Choose one
     ;AssetServices = "LocalAssetServicesConnector"
     ;AssetServices = "RemoteAssetServicesConnector"
+    ;AssetServices = "HGAssetBroker"
+
+    ;AssetCaching = "CoreAssetCache"
 
 [AssetService]
     ; Parameters for local assets
-    ;Module = "OpenSim.Services.AssetService.dll"
+    ;LocalServiceModule = "OpenSim.Services.AssetService.dll:AssetService"
     ;StorageProvider = "OpenSim.Data.MySQL.dll"
     ;ConnectionString = "Data Source=localhost;Database=opensim;User ID=opensim;Password=opensim;"
     ;DefaultAssetLoader = "OpenSim.Framework.AssetLoader.Filesystem.dll"
@@ -1308,3 +1311,13 @@
 
     ; Parameters for remote assets
     ;AssetServerURI = "http://localhost:8003/"
+
+    ; Paremeters for the Hypergrid connector
+    
+    ; Parameters for the HG Broker
+    ;LocalModule = "OpenSim.Services.AssetService.dll:AssetService"
+    ;HypergridModule = "OpenSim.Services.AssetService.dll:HGAssetService"
+
+[AssetCache]
+    ; Number of buckets for assets
+    ;CacheBuckets = 32768