this is step 2 of 2 of the OpenSim.Region.Environment refactor.

NOTHING has been deleted or moved off to forge at this point.  what
has happened is that OpenSim.Region.Environment.Modules has been split
in two:

- OpenSim.Region.CoreModules: all those modules that are either
  directly or indirectly referenced from  other  OpenSim packages, or
  that provide functionality that the OpenSim developer community
  considers core functionality:

      CoreModules/Agent/AssetTransaction
      CoreModules/Agent/Capabilities
      CoreModules/Agent/TextureDownload
      CoreModules/Agent/TextureSender
      CoreModules/Agent/TextureSender/Tests
      CoreModules/Agent/Xfer
      CoreModules/Avatar/AvatarFactory
      CoreModules/Avatar/Chat/ChatModule
      CoreModules/Avatar/Combat
      CoreModules/Avatar/Currency/SampleMoney
      CoreModules/Avatar/Dialog
      CoreModules/Avatar/Friends
      CoreModules/Avatar/Gestures
      CoreModules/Avatar/Groups
      CoreModules/Avatar/InstantMessage
      CoreModules/Avatar/Inventory
      CoreModules/Avatar/Inventory/Archiver
      CoreModules/Avatar/Inventory/Transfer
      CoreModules/Avatar/Lure
      CoreModules/Avatar/ObjectCaps
      CoreModules/Avatar/Profiles
      CoreModules/Communications/Local
      CoreModules/Communications/REST
      CoreModules/Framework/EventQueue
      CoreModules/Framework/InterfaceCommander
      CoreModules/Hypergrid
      CoreModules/InterGrid
      CoreModules/Scripting/DynamicTexture
      CoreModules/Scripting/EMailModules
      CoreModules/Scripting/HttpRequest
      CoreModules/Scripting/LoadImageURL
      CoreModules/Scripting/VectorRender
      CoreModules/Scripting/WorldComm
      CoreModules/Scripting/XMLRPC
      CoreModules/World/Archiver
      CoreModules/World/Archiver/Tests
      CoreModules/World/Estate
      CoreModules/World/Land
      CoreModules/World/Permissions
      CoreModules/World/Serialiser
      CoreModules/World/Sound
      CoreModules/World/Sun
      CoreModules/World/Terrain
      CoreModules/World/Terrain/DefaultEffects
      CoreModules/World/Terrain/DefaultEffects/bin
      CoreModules/World/Terrain/DefaultEffects/bin/Debug
      CoreModules/World/Terrain/Effects
      CoreModules/World/Terrain/FileLoaders
      CoreModules/World/Terrain/FloodBrushes
      CoreModules/World/Terrain/PaintBrushes
      CoreModules/World/Terrain/Tests
      CoreModules/World/Vegetation
      CoreModules/World/Wind
      CoreModules/World/WorldMap

- OpenSim.Region.OptionalModules: all those modules that are not core
  modules:

      OptionalModules/Avatar/Chat/IRC-stuff
      OptionalModules/Avatar/Concierge
      OptionalModules/Avatar/Voice/AsterixVoice
      OptionalModules/Avatar/Voice/SIPVoice
      OptionalModules/ContentManagementSystem
      OptionalModules/Grid/Interregion
      OptionalModules/Python
      OptionalModules/SvnSerialiser
      OptionalModules/World/NPC
      OptionalModules/World/TreePopulator

1 files changed, 170 insertions, 0 deletions

diff --git a/OpenSim/Region/CoreModules/Avatar/InstantMessage/InstantMessageModule.cs b/OpenSim/Region/CoreModules/Avatar/InstantMessage/InstantMessageModule.cs
new file mode 100644
index 0000000..3ad2c91
--- /dev/null
+++ b/OpenSim/Region/CoreModules/Avatar/InstantMessage/InstantMessageModule.cs
@@ -0,0 +1,170 @@
+/*
+ * 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;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Net;
+using System.Threading;
+using OpenMetaverse;
+using log4net;
+using Nini.Config;
+using Nwc.XmlRpc;
+using OpenSim.Framework;
+using OpenSim.Framework.Client;
+using OpenSim.Region.Framework.Interfaces;
+using OpenSim.Region.Framework.Scenes;
+
+namespace OpenSim.Region.CoreModules.Avatar.InstantMessage
+{
+    public class InstantMessageModule : IRegionModule
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);        
+
+        /// <value>
+        /// Is this module enabled?
+        /// </value>
+        private bool m_enabled = false;
+        
+        private readonly List<Scene> m_scenes = new List<Scene>();
+
+        #region IRegionModule Members
+
+        private IMessageTransferModule m_TransferModule = null;
+
+        public void Initialise(Scene scene, IConfigSource config)
+        {
+            if (config.Configs["Messaging"] != null)
+            {
+                if (config.Configs["Messaging"].GetString(
+                        "InstantMessageModule", "InstantMessageModule") !=
+                        "InstantMessageModule")
+                    return;
+            }
+            
+            m_enabled = true;
+
+            lock (m_scenes)
+            {
+                if (!m_scenes.Contains(scene))
+                {
+                    m_scenes.Add(scene);
+                    scene.EventManager.OnClientConnect += OnClientConnect;
+                    scene.EventManager.OnIncomingInstantMessage += OnGridInstantMessage;
+                }
+            }
+        }
+
+        void OnClientConnect(IClientCore client)
+        {
+            IClientIM clientIM;
+            if (client.TryGet(out clientIM))
+            {
+                clientIM.OnInstantMessage += OnInstantMessage;
+            }
+        }
+
+        public void PostInitialise()
+        {
+            if (!m_enabled)
+                return;
+            
+            m_TransferModule =
+                m_scenes[0].RequestModuleInterface<IMessageTransferModule>();
+
+            if (m_TransferModule == null)
+                m_log.Error("[INSTANT MESSAGE]: No message transfer module, "+
+                "IM will not work!");
+        }
+
+        public void Close()
+        {
+        }
+
+        public string Name
+        {
+            get { return "InstantMessageModule"; }
+        }
+
+        public bool IsSharedModule
+        {
+            get { return true; }
+        }
+
+        #endregion
+
+        public void OnInstantMessage(IClientAPI client, GridInstantMessage im)
+        {
+            byte dialog = im.dialog;
+
+            if (   dialog != (byte)InstantMessageDialog.MessageFromAgent
+                && dialog != (byte)InstantMessageDialog.StartTyping
+                && dialog != (byte)InstantMessageDialog.StopTyping)
+            {
+                return;
+            }
+
+            if (m_TransferModule != null)
+            {
+                m_TransferModule.SendInstantMessage(im,
+                    delegate(bool success)
+                    {
+                        if (dialog == (uint)InstantMessageDialog.StartTyping ||
+                            dialog == (uint)InstantMessageDialog.StopTyping)
+                        {
+                            return;
+                        }
+
+                        if ((client != null) && !success)
+                        {
+                            client.SendInstantMessage(new UUID(im.toAgentID),
+                                    "Unable to send instant message. "+
+                                    "User is not logged in.",
+                                    new UUID(im.fromAgentID), "System",
+                                    (byte)InstantMessageDialog.BusyAutoResponse,
+                                    (uint)Util.UnixTimeSinceEpoch());
+                        }
+                    }
+                );
+            }
+        }
+
+        /// <summary>
+        ///
+        /// </summary>
+        /// <param name="msg"></param>
+        private void OnGridInstantMessage(GridInstantMessage msg)
+        {
+            // Just call the Text IM handler above
+            // This event won't be raised unless we have that agent,
+            // so we can depend on the above not trying to send
+            // via grid again
+            //
+            OnInstantMessage(null, msg);
+        }
+    }
+}