From 97816f8c901bf56e3b29bdbd5f8e320de352f45f Mon Sep 17 00:00:00 2001
From: Justin Clarke Casey
Date: Tue, 11 Nov 2008 17:02:46 +0000
Subject: * Implement basic region filtering as described in
 https://lists.berlios.de/pipermail/opensim-dev/2008-November/003468.html *
 This is done by sending a 'major interface version' number on sim
 registration.  Developers must increment this every time they make a change
 that would make the previous OpenSim revision failure incompatible with the
 new one (non-fatal incompatibilities are fine). * This number resides in
 OpenSim.Framework.Servers.VersionInfo.MajorInterfaceVersion * This allows the
 grid service to stop older, incompatible regions from connecting

---
 OpenSim/Framework/Servers/VersionInfo.cs | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

(limited to 'OpenSim/Framework/Servers/VersionInfo.cs')

diff --git a/OpenSim/Framework/Servers/VersionInfo.cs b/OpenSim/Framework/Servers/VersionInfo.cs
index 8f84859..c6a43ec 100644
--- a/OpenSim/Framework/Servers/VersionInfo.cs
+++ b/OpenSim/Framework/Servers/VersionInfo.cs
@@ -27,11 +27,27 @@
 
 namespace OpenSim
 {
-    /// <summary>
-    /// This is the OpenSim version string.  Change this if you are releasing a new OpenSim version.
-    /// </summary>
     public class VersionInfo
     {
+        /// <value>
+        /// This is the OpenSim version string.  Change this if you are releasing a new OpenSim version.
+        /// </value>        
         public readonly static string Version = "OpenSimulator Server  0.6.0";  // stay with 27 chars (used in regioninfo)
+        
+        /// <value>
+        /// This is the external interface version.  It is separate from the OpenSimulator project version.  
+        /// 
+        /// This version number should be 
+        /// increased by 1 every time a code change makes the previous OpenSimulator revision incompatible
+        /// with the new revision.  This will usually be due to interregion or grid facing interface changes.
+        /// 
+        /// Changes which are compatible with an older revision (e.g. older revisions experience degraded functionality
+        /// but not outright failure) do not need a version number increment.
+        /// 
+        /// Having this version number allows the grid service to reject connections from regions running a version
+        /// of the code that is too old. 
+        ///   
+        /// </value>
+        public readonly static int MajorInterfaceVersion = 0;
     }
 }
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