add a /index.php fake handler, for map. only does ?method=.. but can be extended)

OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs

@@ -105,6 +105,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         protected ConcurrentDictionary<string, PollServiceEventArgs> m_pollHandlers =
             new ConcurrentDictionary<string, PollServiceEventArgs>();
 
+        protected ConcurrentDictionary<string, SimpleStreamMethod> m_indexPHPmethods = new ConcurrentDictionary<string, SimpleStreamMethod>();
         protected Dictionary<string, WebSocketRequestDelegate> m_WebSocketHandlers =
             new Dictionary<string, WebSocketRequestDelegate>();
 
@@ -535,6 +536,24 @@ namespace OpenSim.Framework.Servers.HttpServer
             return true;
         }
 
+        public void AddIndexPHPMethodHandler(string key, SimpleStreamMethod sh)
+        {
+            m_indexPHPmethods.TryAdd(key, sh);
+        }
+
+        public void RemoveIndexPHPMethodHandler(string key)
+        {
+            m_indexPHPmethods.TryRemove(key, out SimpleStreamMethod sh);
+        }
+
+        public SimpleStreamMethod TryGetIndexPHPMethodHandler(string key)
+        {
+            if(m_indexPHPmethods.TryGetValue(key, out SimpleStreamMethod sh))
+                return sh;
+            return null;
+        }
+
+
         public void OnRequest(object source, RequestEventArgs args)
         {
             RequestNumber++;