Merge branch 'master' into careminster

OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs

@@ -53,6 +53,8 @@ namespace OpenSim.Framework.Servers.HttpServer
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
         private HttpServerLogWriter httpserverlog = new HttpServerLogWriter();
 
+        public int DebugLevel { get; set; }
+
         private volatile int NotSocketErrors = 0;
         public volatile bool HTTPDRunning = false;
 
@@ -79,11 +81,6 @@ namespace OpenSim.Framework.Servers.HttpServer
 
         private PollServiceRequestManager m_PollServiceManager;
 
-        /// <summary>
-        /// Control the printing of certain debug messages.
-        /// </summary>
-        public int DebugLevel { get; set; }
-
         public uint SSLPort
         {
             get { return m_sslport; }
@@ -450,7 +447,7 @@ namespace OpenSim.Framework.Servers.HttpServer
 
                 if (TryGetStreamHandler(handlerKey, out requestHandler))
                 {
-                    if (DebugLevel >= 1)
+                    if (DebugLevel >= 3)
                         m_log.DebugFormat(
                             "[BASE HTTP SERVER]: Found stream handler for {0} {1} {2} {3}",
                             request.HttpMethod, request.Url.PathAndQuery, requestHandler.Name, requestHandler.Description);
@@ -531,7 +528,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                         case null:
                         case "text/html":
     
-                            if (DebugLevel >= 1)
+                            if (DebugLevel >= 3)
                                 m_log.DebugFormat(
                                     "[BASE HTTP SERVER]: Found a {0} content type handler for {1} {2}",
                                     request.ContentType, request.HttpMethod, request.Url.PathAndQuery);
@@ -543,7 +540,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                         case "application/xml+llsd":
                         case "application/llsd+json":
     
-                            if (DebugLevel >= 1)
+                            if (DebugLevel >= 3)
                                 m_log.DebugFormat(
                                     "[BASE HTTP SERVER]: Found a {0} content type handler for {1} {2}",
                                     request.ContentType, request.HttpMethod, request.Url.PathAndQuery);
@@ -564,7 +561,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                             //m_log.Info("[Debug BASE HTTP SERVER]: Checking for LLSD Handler");
                             if (DoWeHaveALLSDHandler(request.RawUrl))
                             {
-                                if (DebugLevel >= 1)
+                                if (DebugLevel >= 3)
                                     m_log.DebugFormat(
                                         "[BASE HTTP SERVER]: Found a {0} content type handler for {1} {2}",
                                         request.ContentType, request.HttpMethod, request.Url.PathAndQuery);
@@ -574,7 +571,7 @@ namespace OpenSim.Framework.Servers.HttpServer
     //                        m_log.DebugFormat("[BASE HTTP SERVER]: Checking for HTTP Handler for request {0}", request.RawUrl);
                             else if (DoWeHaveAHTTPHandler(request.RawUrl))
                             {
-                                if (DebugLevel >= 1)
+                                if (DebugLevel >= 3)
                                     m_log.DebugFormat(
                                         "[BASE HTTP SERVER]: Found a {0} content type handler for {1} {2}",
                                         request.ContentType, request.HttpMethod, request.Url.PathAndQuery);
@@ -583,8 +580,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                             }
                             else
                             {
-    
+                                if (DebugLevel >= 3)
-                                if (DebugLevel >= 1)
                                     m_log.DebugFormat(
                                         "[BASE HTTP SERVER]: Assuming a generic XMLRPC request for {0} {1}",
                                         request.HttpMethod, request.Url.PathAndQuery);
@@ -793,8 +789,23 @@ namespace OpenSim.Framework.Servers.HttpServer
             {
                 xmlRprcRequest = (XmlRpcRequest) (new XmlRpcRequestDeserializer()).Deserialize(requestBody);
             }
-            catch (XmlException)
+            catch (XmlException e)
             {
+                if (DebugLevel >= 1)
+                {
+                    if (DebugLevel >= 2)
+                        m_log.Warn(
+                            string.Format(
+                                "[BASE HTTP SERVER]: Got XMLRPC request with invalid XML from {0}.  XML was '{1}'.  Sending blank response.  Exception ",
+                                request.RemoteIPEndPoint, requestBody),
+                            e);
+                    else
+                    {
+                        m_log.WarnFormat(
+                            "[BASE HTTP SERVER]: Got XMLRPC request with invalid XML from {0}, length {1}.  Sending blank response.",
+                            request.RemoteIPEndPoint, requestBody.Length);
+                    }
+                }
             }
 
             if (xmlRprcRequest != null)
@@ -1570,6 +1581,9 @@ namespace OpenSim.Framework.Servers.HttpServer
 
         private void StartHTTP()
         {
+            m_log.InfoFormat(
+                "[BASE HTTP SERVER]: Starting {0} server on port {1}", UseSSL ? "HTTPS" : "HTTP", Port);
+
             try
             {
                 //m_httpListener = new HttpListener();

OpenSim/Framework/Servers/MainServer.cs

@@ -25,57 +25,209 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System;
 using System.Collections.Generic;
 using System.Reflection;
 using System.Net;
 using log4net;
+using OpenSim.Framework;
+using OpenSim.Framework.Console;
 using OpenSim.Framework.Servers.HttpServer;
 
 namespace OpenSim.Framework.Servers
 {
     public class MainServer
     {
-        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private static BaseHttpServer instance = null;
-        private static Dictionary<uint, BaseHttpServer> m_Servers =
+        private static Dictionary<uint, BaseHttpServer> m_Servers = new Dictionary<uint, BaseHttpServer>();
-                new Dictionary<uint, BaseHttpServer>();
 
+        /// <summary>
+        /// Control the printing of certain debug messages.
+        /// </summary>
+        /// <remarks>
+        /// If DebugLevel >= 1, then short warnings are logged when receiving bad input data.
+        /// If DebugLevel >= 2, then long warnings are logged when receiving bad input data.
+        /// If DebugLevel >= 3, then short notices about all incoming non-poll HTTP requests are logged.
+        /// </remarks>
+        public static int DebugLevel
+        {
+            get { return s_debugLevel; }
+            set
+            {
+                s_debugLevel = value;
+
+                lock (m_Servers)
+                    foreach (BaseHttpServer server in m_Servers.Values)
+                        server.DebugLevel = s_debugLevel;
+            }
+        }
+
+        private static int s_debugLevel;
+
+        /// <summary>
+        /// Set the main HTTP server instance.
+        /// </summary>
+        /// <remarks>
+        /// This will be used to register all handlers that listen to the default port.
+        /// </remarks>
+        /// <exception cref='Exception'>
+        /// Thrown if the HTTP server has not already been registered via AddHttpServer()
+        /// </exception>
         public static BaseHttpServer Instance
         {
             get { return instance; }
-            set { instance = value; }
+
+            set
+            {
+                lock (m_Servers)
+                    if (!m_Servers.ContainsValue(value))
+                        throw new Exception("HTTP server must already have been registered to be set as the main instance");
+
+                instance = value;
+            }
         }
 
-        public static IHttpServer GetHttpServer(uint port)
+        /// <summary>
+        /// Get all the registered servers.
+        /// </summary>
+        /// <remarks>
+        /// Returns a copy of the dictionary so this can be iterated through without locking.
+        /// </remarks>
+        /// <value></value>
+        public static Dictionary<uint, BaseHttpServer> Servers
         {
-            return GetHttpServer(port,null);
+            get { return new Dictionary<uint, BaseHttpServer>(m_Servers); }
         }
 
+
+        public static void RegisterHttpConsoleCommands(ICommandConsole console)
+        {
+            console.Commands.AddCommand(
+                "Comms", false, "debug http", "debug http [<level>]",
+                "Turn on inbound non-poll http request debugging.",
+                  "If level <= 0, then no extra logging is done.\n"
+                + "If level >= 1, then short warnings are logged when receiving bad input data.\n"
+                + "If level >= 2, then long warnings are logged when receiving bad input data.\n"
+                + "If level >= 3, then short notices about all incoming non-poll HTTP requests are logged.\n"
+                + "If no level is specified then the current level is returned.",
+                HandleDebugHttpCommand);
+        }
+
+        /// <summary>
+        /// Turn on some debugging values for OpenSim.
+        /// </summary>
+        /// <param name="args"></param>
+        private static void HandleDebugHttpCommand(string module, string[] args)
+        {
+            if (args.Length == 3)
+            {
+                int newDebug;
+                if (int.TryParse(args[2], out newDebug))
+                {
+                    MainServer.DebugLevel = newDebug;
+                    MainConsole.Instance.OutputFormat("Debug http level set to {0}", newDebug);
+                }
+            }
+            else if (args.Length == 2)
+            {
+                MainConsole.Instance.OutputFormat("Current debug http level is {0}", MainServer.DebugLevel);
+            }
+            else
+            {
+                MainConsole.Instance.Output("Usage: debug http 0..3");
+            }
+        }
+
+        /// <summary>
+        /// Register an already started HTTP server to the collection of known servers.
+        /// </summary>
+        /// <param name='server'></param>
         public static void AddHttpServer(BaseHttpServer server)
         {
-            m_Servers.Add(server.Port, server);
+            lock (m_Servers)
+            {
+                if (m_Servers.ContainsKey(server.Port))
+                    throw new Exception(string.Format("HTTP server for port {0} already exists.", server.Port));
+
+                m_Servers.Add(server.Port, server);
+            }
         }
 
+        /// <summary>
+        /// Removes the http server listening on the given port.
+        /// </summary>
+        /// <remarks>
+        /// It is the responsibility of the caller to do clean up.
+        /// </remarks>
+        /// <param name='port'></param>
+        /// <returns></returns>
+        public static bool RemoveHttpServer(uint port)
+        {
+            lock (m_Servers)
+                return m_Servers.Remove(port);
+        }
+
+        /// <summary>
+        /// Does this collection of servers contain one with the given port?
+        /// </summary>
+        /// <remarks>
+        /// Unlike GetHttpServer, this will not instantiate a server if one does not exist on that port.
+        /// </remarks>
+        /// <param name='port'></param>
+        /// <returns>true if a server with the given port is registered, false otherwise.</returns>
+        public static bool ContainsHttpServer(uint port)
+        {
+            lock (m_Servers)
+                return m_Servers.ContainsKey(port);
+        }
+
+        /// <summary>
+        /// Get the default http server or an http server for a specific port.
+        /// </summary>
+        /// <remarks>
+        /// If the requested HTTP server doesn't already exist then a new one is instantiated and started.
+        /// </remarks>
+        /// <returns></returns>
+        /// <param name='port'>If 0 then the default HTTP server is returned.</param>
+        public static IHttpServer GetHttpServer(uint port)
+        {
+            return GetHttpServer(port, null);
+        }
+
+        /// <summary>
+        /// Get the default http server, an http server for a specific port
+        /// and/or an http server bound to a specific address
+        /// </summary>
+        /// <remarks>
+        /// If the requested HTTP server doesn't already exist then a new one is instantiated and started.
+        /// </remarks>
+        /// <returns></returns>
+        /// <param name='port'>If 0 then the default HTTP server is returned.</param>
+        /// <param name='ipaddr'>A specific IP address to bind to.  If null then the default IP address is used.</param>
         public static IHttpServer GetHttpServer(uint port, IPAddress ipaddr)
         {
             if (port == 0)
                 return Instance;
+            
             if (instance != null && port == Instance.Port)
                 return Instance;
 
-            if (m_Servers.ContainsKey(port))
+            lock (m_Servers)
+            {
+                if (m_Servers.ContainsKey(port))
+                    return m_Servers[port];
+
+                m_Servers[port] = new BaseHttpServer(port);
+
+                if (ipaddr != null)
+                    m_Servers[port].ListenIPAddress = ipaddr;
+
+                m_Servers[port].Start();
+
                 return m_Servers[port];
-
+            }
-            m_Servers[port] = new BaseHttpServer(port);
-
-            if (ipaddr != null)
-                m_Servers[port].ListenIPAddress = ipaddr;
-
-            m_log.InfoFormat("[MAIN HTTP SERVER]: Starting main http server on port {0}", port);
-            m_Servers[port].Start();
-
-            return m_Servers[port];
         }
     }
-}
+}

OpenSim/Region/Application/OpenSim.cs

@@ -231,6 +231,8 @@ namespace OpenSim
         /// </summary>
         private void RegisterConsoleCommands()
         {
+            MainServer.RegisterHttpConsoleCommands(m_console);
+
             m_console.Commands.AddCommand("Objects", false, "force update",
                                           "force update",
                                           "Force the update of all objects on clients",
@@ -248,14 +250,6 @@ namespace OpenSim
                                           + "If an avatar name is given then only packets from that avatar are logged",
                                           Debug);
 
-            m_console.Commands.AddCommand("Comms", false, "debug http",
-                                          "debug http <level>",
-                                          "Turn on inbound http request debugging for everything except the event queue (see debug eq).",
-                                            "If level >= 2 then the handler used to service the request is logged.\n"
-                                          + "If level >= 1 then incoming HTTP requests are logged.\n"
-                                          + "If level <= 0 then no extra http logging is done.\n",
-                                          Debug);
-
             m_console.Commands.AddCommand("Comms", false, "debug teleport", "debug teleport", "Toggle teleport route debugging", Debug);
 
             m_console.Commands.AddCommand("Regions", false, "debug scene",
@@ -914,21 +908,6 @@ namespace OpenSim
 
                     break;
 
-                case "http":
-                    if (args.Length == 3)
-                    {
-                        int newDebug;
-                        if (int.TryParse(args[2], out newDebug))
-                        {
-                            MainServer.Instance.DebugLevel = newDebug;
-                            MainConsole.Instance.OutputFormat("Debug http level set to {0}", newDebug);
-                            break;
-                        }
-                    }
-
-                    MainConsole.Instance.Output("Usage: debug http 0..2");
-                    break;
-
                 case "scene":
                     if (args.Length == 4)
                     {

OpenSim/Region/ClientStack/Linden/Caps/EventQueue/Tests/EventQueueTests.cs

@@ -51,7 +51,16 @@ namespace OpenSim.Region.ClientStack.Linden.Tests
         [SetUp]
         public void SetUp()
         {
-            MainServer.Instance = new BaseHttpServer(9999, false, 9998, "");
+            uint port = 9999;
+            uint sslPort = 9998;
+
+            // This is an unfortunate bit of clean up we have to do because MainServer manages things through static
+            // variables and the VM is not restarted between tests.
+            MainServer.RemoveHttpServer(port);
+
+            BaseHttpServer server = new BaseHttpServer(port, false, sslPort, "");
+            MainServer.AddHttpServer(server);
+            MainServer.Instance = server;
 
             IConfigSource config = new IniConfigSource();
             config.AddConfig("Startup");

OpenSim/Region/ClientStack/RegionApplicationBase.cs

@@ -94,22 +94,19 @@ namespace OpenSim.Region.ClientStack
             m_log.InfoFormat("[REGION SERVER]: Starting HTTP server on port {0}", m_httpServerPort);
             m_httpServer.Start();
 
+            MainServer.AddHttpServer(m_httpServer);
             MainServer.Instance = m_httpServer;
 
             // "OOB" Server
             if (m_networkServersInfo.ssl_listener)
             {
-                BaseHttpServer server = null;
+                BaseHttpServer server = new BaseHttpServer(
-                server = new BaseHttpServer(
                     m_networkServersInfo.https_port, m_networkServersInfo.ssl_listener, m_networkServersInfo.cert_path,
                     m_networkServersInfo.cert_pass);
-                // Add the server to m_Servers
+
-                if(server != null)
+                m_log.InfoFormat("[REGION SERVER]: Starting HTTPS server on port {0}", server.Port);
-                {
+                MainServer.AddHttpServer(server);
-                    m_log.InfoFormat("[REGION SERVER]: Starting HTTPS server on port {0}", server.Port);
+                server.Start();
-                    MainServer.AddHttpServer(server);
-                    server.Start();
-                }
             }
             
             base.StartupSpecific();

OpenSim/Region/CoreModules/Scripting/XMLRPC/XMLRPCModule.cs

@@ -131,11 +131,12 @@ namespace OpenSim.Region.CoreModules.Scripting.XMLRPC
             {
                 // Start http server
                 // Attach xmlrpc handlers
-                m_log.Info("[XML RPC MODULE]: " +
+//                m_log.InfoFormat(
-                           "Starting up XMLRPC Server on port " + m_remoteDataPort + " for llRemoteData commands.");
+//                    "[XML RPC MODULE]: Starting up XMLRPC Server on port {0} for llRemoteData commands.",
-                BaseHttpServer httpServer = new BaseHttpServer((uint) m_remoteDataPort);
+//                    m_remoteDataPort);
+
+                IHttpServer httpServer = MainServer.GetHttpServer((uint)m_remoteDataPort);
                 httpServer.AddXmlRPCHandler("llRemoteData", XmlRpcRemoteData);
-                httpServer.Start();
             }
         }
 

OpenSim/Server/Base/HttpServerBase.cs

@@ -42,42 +42,9 @@ namespace OpenSim.Server.Base
     {
         // Logger
         //
-        private static readonly ILog m_Log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); 
+        private static readonly ILog m_Log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        // The http server instance
+        private uint m_consolePort;
-        //
-        protected BaseHttpServer m_HttpServer = null;
-        protected uint m_Port = 0;
-        protected Dictionary<uint, BaseHttpServer> m_Servers =
-            new Dictionary<uint, BaseHttpServer>();
-        protected uint m_consolePort = 0;
-
-        public IHttpServer HttpServer
-        {
-            get { return m_HttpServer; }
-        }
-
-        public uint DefaultPort
-        {
-            get { return m_Port; }
-        }
-
-        public IHttpServer GetHttpServer(uint port)
-        {
-            m_Log.InfoFormat("[SERVER]: Requested port {0}", port);
-            if (port == m_Port)
-                return HttpServer;
-
-            if (m_Servers.ContainsKey(port))
-                return m_Servers[port];
-
-            m_Servers[port] = new BaseHttpServer(port);
-            
-            m_Log.InfoFormat("[SERVER]: Starting new HTTP server on port {0}", port);
-            m_Servers[port].Start();
-
-            return m_Servers[port];
-        }
 
         // Handle all the automagical stuff
         //
@@ -94,19 +61,21 @@ namespace OpenSim.Server.Base
                 System.Console.WriteLine("Section 'Network' not found, server can't start");
                 Thread.CurrentThread.Abort();
             }
+
             uint port = (uint)networkConfig.GetInt("port", 0);
 
             if (port == 0)
             {
-
                 Thread.CurrentThread.Abort();
             }
-            //
+
             bool ssl_main = networkConfig.GetBoolean("https_main",false);
             bool ssl_listener = networkConfig.GetBoolean("https_listener",false);
 
             m_consolePort = (uint)networkConfig.GetInt("ConsolePort", 0);
-            m_Port = port;
+
+            BaseHttpServer httpServer = null;
+
             //
             // This is where to make the servers:
             //
@@ -118,8 +87,7 @@ namespace OpenSim.Server.Base
             //
             if ( !ssl_main )
             {
-                m_HttpServer = new BaseHttpServer(port);
+                httpServer = new BaseHttpServer(port);
-
             }
             else
             {
@@ -135,10 +103,12 @@ namespace OpenSim.Server.Base
                     System.Console.WriteLine("Password for X509 certificate is missing, server can't start.");
                     Thread.CurrentThread.Abort();
                 }
-                m_HttpServer = new BaseHttpServer(port, ssl_main, cert_path, cert_pass);
+
+                httpServer = new BaseHttpServer(port, ssl_main, cert_path, cert_pass);
             }
 
-            MainServer.Instance = m_HttpServer;
+            MainServer.AddHttpServer(httpServer);
+            MainServer.Instance = httpServer;
 
             // If https_listener = true, then add an ssl listener on the https_port...
             if ( ssl_listener == true ) {
@@ -157,43 +127,24 @@ namespace OpenSim.Server.Base
                     System.Console.WriteLine("Password for X509 certificate is missing, server can't start.");
                     Thread.CurrentThread.Abort();
                 }
-                // Add our https_server
+
-                BaseHttpServer server = null;
+                MainServer.AddHttpServer(new BaseHttpServer(https_port, ssl_listener, cert_path, cert_pass));
-                server = new BaseHttpServer(https_port, ssl_listener, cert_path, cert_pass);
-                if (server != null)
-                {
-                    m_Log.InfoFormat("[SERVER]: Starting HTTPS server on port {0}", https_port);
-                    m_Servers.Add(https_port,server);
-                }
-                else
-                    System.Console.WriteLine(String.Format("Failed to start HTTPS server on port {0}",https_port));
             }
         }
 
         protected override void Initialise()
         {
-            m_Log.InfoFormat("[SERVER]: Starting HTTP server on port {0}", m_HttpServer.Port);
+            foreach (BaseHttpServer s in MainServer.Servers.Values)
-            m_HttpServer.Start();
+                s.Start();
 
-            if (m_Servers.Count > 0)
+            MainServer.RegisterHttpConsoleCommands(MainConsole.Instance);
-            {
-                foreach (BaseHttpServer s in m_Servers.Values)
-                {
-                    if (!s.UseSSL)
-                        m_Log.InfoFormat("[SERVER]: Starting HTTP server on port {0}", s.Port);
-                    else
-                        m_Log.InfoFormat("[SERVER]: Starting HTTPS server on port {0}", s.Port);
-
-                    s.Start();
-                }
-            }
 
             if (MainConsole.Instance is RemoteConsole)
             {
                 if (m_consolePort == 0)
-                    ((RemoteConsole)MainConsole.Instance).SetServer(m_HttpServer);
+                    ((RemoteConsole)MainConsole.Instance).SetServer(MainServer.Instance);
                 else
-                    ((RemoteConsole)MainConsole.Instance).SetServer(GetHttpServer(m_consolePort));
+                    ((RemoteConsole)MainConsole.Instance).SetServer(MainServer.GetHttpServer(m_consolePort));
             }
         }
     }

OpenSim/Server/ServerMain.cs

@@ -30,6 +30,7 @@ using log4net;
 using System.Reflection;
 using System;
 using System.Collections.Generic;
+using OpenSim.Framework.Servers;
 using OpenSim.Framework.Servers.HttpServer;
 using OpenSim.Server.Base;
 using OpenSim.Server.Handlers.Base;
@@ -92,27 +93,24 @@ namespace OpenSim.Server
                 if (parts.Length > 1)
                     friendlyName = parts[1];
 
-                IHttpServer server = m_Server.HttpServer;
+                IHttpServer server;
-                if (port != 0)
-                    server = m_Server.GetHttpServer(port);
 
-                if (port != m_Server.DefaultPort && port != 0)
+                if (port != 0)
-                    m_log.InfoFormat("[SERVER]: Loading {0} on port {1}", friendlyName, port);
+                    server = MainServer.GetHttpServer(port);
                 else
-                    m_log.InfoFormat("[SERVER]: Loading {0}", friendlyName);
+                    server = MainServer.Instance;
+
+                m_log.InfoFormat("[SERVER]: Loading {0} on port {1}", friendlyName, server.Port);
 
                 IServiceConnector connector = null;
 
-                Object[] modargs = new Object[] { m_Server.Config, server,
+                Object[] modargs = new Object[] { m_Server.Config, server, configName };
-                    configName };
+                connector = ServerUtils.LoadPlugin<IServiceConnector>(conn, modargs);
-                connector = ServerUtils.LoadPlugin<IServiceConnector>(conn,
+
-                        modargs);
                 if (connector == null)
                 {
                     modargs = new Object[] { m_Server.Config, server };
-                    connector =
+                    connector = ServerUtils.LoadPlugin<IServiceConnector>(conn, modargs);
-                            ServerUtils.LoadPlugin<IServiceConnector>(conn,
-                            modargs);
                 }
 
                 if (connector != null)
@@ -132,4 +130,4 @@ namespace OpenSim.Server
             return 0;
         }
     }
-}
+}

prebuild.xml

@@ -1480,6 +1480,7 @@
       <Reference name="OpenMetaverse.StructuredData" path="../../bin/"/>
       <Reference name="OpenSim.Framework"/>
       <Reference name="OpenSim.Framework.Console"/>
+      <Reference name="OpenSim.Framework.Servers"/>
       <Reference name="OpenSim.Framework.Servers.HttpServer"/>
       <Reference name="OpenSim.Server.Base"/>
       <Reference name="OpenSim.Server.Handlers"/>