More refactoring of the Grid, User and Messaging servers.

1 files changed, 141 insertions, 0 deletions

diff --git a/OpenSim/Grid/UserServer/UserServerEventDispatchModule.cs b/OpenSim/Grid/UserServer/UserServerEventDispatchModule.cs
new file mode 100644
index 0000000..e23a7d1
--- /dev/null
+++ b/OpenSim/Grid/UserServer/UserServerEventDispatchModule.cs
@@ -0,0 +1,141 @@
+/*

+ * 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 System;

+using System.Collections.Generic;

+using System.IO;

+using System.Reflection;

+using log4net;

+using log4net.Config;

+using OpenMetaverse;

+using OpenSim.Data;

+using OpenSim.Framework;

+using OpenSim.Framework.Communications;

+using OpenSim.Framework.Communications.Cache;

+using OpenSim.Framework.Console;

+using OpenSim.Framework.Servers;

+using OpenSim.Framework.Statistics;

+using OpenSim.Grid.Communications.OGS1;

+using OpenSim.Grid.Framework;

+using OpenSim.Grid.UserServer.Modules;

+

+namespace OpenSim.Grid.UserServer

+{

+    //Do we actually need these event dispatchers? 

+    //shouldn't the other modules just directly register event handlers to each other?

+    public class UserServerEventDispatchModule

+    {

+        protected UserManager m_userManager;

+        protected MessageServersConnector m_messagesService;

+        protected UserLoginService m_loginService;

+

+        public UserServerEventDispatchModule(UserManager userManager, MessageServersConnector messagesService, UserLoginService loginService)

+        {

+            m_userManager = userManager;

+            m_messagesService = messagesService;

+            m_loginService = loginService;

+        }

+

+        public void Initialise(IUGAIMCore core)

+        {

+        }

+

+        public void PostInitialise()

+        {

+            m_loginService.OnUserLoggedInAtLocation += NotifyMessageServersUserLoggedInToLocation;

+            m_userManager.OnLogOffUser += NotifyMessageServersUserLoggOff;

+

+            m_messagesService.OnAgentLocation += HandleAgentLocation;

+            m_messagesService.OnAgentLeaving += HandleAgentLeaving;

+            m_messagesService.OnRegionStartup += HandleRegionStartup;

+            m_messagesService.OnRegionShutdown += HandleRegionShutdown;

+        }

+

+        public void RegisterHandlers(BaseHttpServer httpServer)

+        {

+

+        }

+

+        public void Close()

+        {

+            m_loginService.OnUserLoggedInAtLocation -= NotifyMessageServersUserLoggedInToLocation;

+        }

+

+        #region Event Handlers

+        public void NotifyMessageServersUserLoggOff(UUID agentID)

+        {

+            m_messagesService.TellMessageServersAboutUserLogoff(agentID);

+        }

+

+        public void NotifyMessageServersUserLoggedInToLocation(UUID agentID, UUID sessionID, UUID RegionID,

+                                                               ulong regionhandle, float positionX, float positionY,

+                                                               float positionZ, string firstname, string lastname)

+        {

+            m_messagesService.TellMessageServersAboutUser(agentID, sessionID, RegionID, regionhandle, positionX,

+                                                          positionY, positionZ, firstname, lastname);

+        }

+

+        public void HandleAgentLocation(UUID agentID, UUID regionID, ulong regionHandle)

+        {

+            m_userManager.HandleAgentLocation(agentID, regionID, regionHandle);

+        }

+

+        public void HandleAgentLeaving(UUID agentID, UUID regionID, ulong regionHandle)

+        {

+            m_userManager.HandleAgentLeaving(agentID, regionID, regionHandle);

+        }

+

+        public void HandleRegionStartup(UUID regionID)

+        {

+            // This might seem strange, that we send this back to the

+            // server it came from. But there is method to the madness.

+            // There can be multiple user servers on the same database,

+            // and each can have multiple messaging servers. So, we send

+            // it to all known user servers, who send it to all known

+            // message servers. That way, we should be able to finally

+            // update presence to all regions and thereby all friends

+            //

+            m_userManager.HandleRegionStartup(regionID);

+            m_messagesService.TellMessageServersAboutRegionShutdown(regionID);

+        }

+

+        public void HandleRegionShutdown(UUID regionID)

+        {

+            // This might seem strange, that we send this back to the

+            // server it came from. But there is method to the madness.

+            // There can be multiple user servers on the same database,

+            // and each can have multiple messaging servers. So, we send

+            // it to all known user servers, who send it to all known

+            // message servers. That way, we should be able to finally

+            // update presence to all regions and thereby all friends

+            //

+            m_userManager.HandleRegionShutdown(regionID);

+            m_messagesService.TellMessageServersAboutRegionShutdown(regionID);

+        }

+        #endregion

+    }

+}