Experimental comment to eneralize the handling of Linden caps when the

cap is something other than "localhost". A new interface for handling
external caps is supported with an example implemented for Simian. The
only linden cap supporting this interface right now is the GetTexture
cap.

2 files changed, 53 insertions, 1 deletions

diff --git a/OpenSim/Region/ClientStack/Linden/Caps/GetTextureModule.cs b/OpenSim/Region/ClientStack/Linden/Caps/GetTextureModule.cs
index 13415f8..54cf285 100644
--- a/OpenSim/Region/ClientStack/Linden/Caps/GetTextureModule.cs
+++ b/OpenSim/Region/ClientStack/Linden/Caps/GetTextureModule.cs
@@ -137,7 +137,11 @@ namespace OpenSim.Region.ClientStack.Linden
             else
             {
 //                m_log.DebugFormat("[GETTEXTURE]: {0} in region {1}", m_URL, m_scene.RegionInfo.RegionName);
-                caps.RegisterHandler("GetTexture", m_URL);
+                IExternalCapsModule handler = m_scene.RequestModuleInterface<IExternalCapsModule>();
+                if (handler != null)
+                    handler.RegisterExternalUserCapsHandler(agentID,caps,"GetTexture",m_URL);
+                else
+                    caps.RegisterHandler("GetTexture", m_URL);
             }
         }
 
diff --git a/OpenSim/Region/Framework/Interfaces/IExternalCapsModule.cs b/OpenSim/Region/Framework/Interfaces/IExternalCapsModule.cs
new file mode 100644
index 0000000..a730cfd
--- /dev/null
+++ b/OpenSim/Region/Framework/Interfaces/IExternalCapsModule.cs
@@ -0,0 +1,48 @@
+/*
+ * 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 OpenSimulator 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 System;
+using OpenMetaverse;
+using OpenSim.Framework;
+using Caps=OpenSim.Framework.Capabilities.Caps;
+
+namespace OpenSim.Region.Framework.Interfaces
+{
+    public interface IExternalCapsModule
+    {
+        /// <summary>
+        /// This function extends the simple URL configuration in the caps handlers
+        /// to facilitate more interesting computation when an external handler is
+        /// sent to the viewer. 
+        /// </summary>
+        /// <param name="agentID">New user UUID</param>
+        /// <param name="caps">Internal caps registry, where the external handler will be registered</param>
+        /// <param name="capName">Name of the specific cap we are registering</param>
+        /// <param name="urlSkel">The skeleton URL provided in the caps configuration</param>
+        bool RegisterExternalUserCapsHandler(UUID agentID, Caps caps, String capName, String urlSkel);
+    }
+}