1 files changed, 288 insertions, 0 deletions

diff --git a/OpenSim/Region/Environment/Modules/Avatar/Inventory/Transfer/InventoryTransferModule.cs b/OpenSim/Region/Environment/Modules/Avatar/Inventory/Transfer/InventoryTransferModule.cs
new file mode 100644
index 0000000..ed58338
--- /dev/null
+++ b/OpenSim/Region/Environment/Modules/Avatar/Inventory/Transfer/InventoryTransferModule.cs
@@ -0,0 +1,288 @@
+/*
+ * 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.Collections.Generic;
+using System.Reflection;
+using OpenMetaverse;
+using log4net;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Region.Environment.Interfaces;
+using OpenSim.Region.Environment.Scenes;
+
+namespace OpenSim.Region.Environment.Modules.Avatar.Inventory.Transfer
+{
+    public class InventoryTransferModule : IInventoryTransferModule, IRegionModule
+    {
+        private static readonly ILog m_log
+            = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        /// <summary>
+        /// We need to keep track of the pending item offers between clients since the itemId offered only
+        /// occurs in the initial offer message, not the accept message.  So this dictionary links
+        /// IM Session Ids to ItemIds
+        /// </summary>
+        private IDictionary<UUID, UUID> m_pendingOffers = new Dictionary<UUID, UUID>();
+
+        private List<Scene> m_Scenelist = new List<Scene>();
+        private Dictionary<UUID, Scene> m_AgentRegions = new Dictionary<UUID, Scene>();
+
+        #region IRegionModule Members
+
+        public void Initialise(Scene scene, IConfigSource config)
+        {
+            if (!m_Scenelist.Contains(scene))
+            {
+                m_Scenelist.Add(scene);
+
+                scene.RegisterModuleInterface<IInventoryTransferModule>(this);
+
+                scene.EventManager.OnNewClient += OnNewClient;
+                scene.EventManager.OnClientClosed += ClientLoggedOut;
+            }
+        }
+
+        public void PostInitialise()
+        {
+        }
+
+        public void Close()
+        {
+        }
+
+        public string Name
+        {
+            get { return "InventoryModule"; }
+        }
+
+        public bool IsSharedModule
+        {
+            get { return true; }
+        }
+
+        #endregion
+
+        private void OnNewClient(IClientAPI client)
+        {
+            // Inventory giving is conducted via instant message
+            client.OnInstantMessage += OnInstantMessage;
+        }
+
+        private void OnInstantMessage(IClientAPI client, UUID fromAgentID,
+                                      UUID fromAgentSession, UUID toAgentID,
+                                      UUID imSessionID, uint timestamp, string fromAgentName,
+                                      string message, byte dialog, bool fromGroup, byte offline,
+                                      uint ParentEstateID, Vector3 Position, UUID RegionID,
+                                      byte[] binaryBucket)
+        {
+            if (dialog == (byte) InstantMessageDialog.InventoryOffered)
+            {
+                m_log.DebugFormat(
+                    "[AGENT INVENTORY]: Routing inventory offering message from {0}, {1} to {2}",
+                    client.AgentId, client.Name, toAgentID);
+
+                if (((Scene)(client.Scene)).Entities.ContainsKey(toAgentID) && ((Scene)(client.Scene)).Entities[toAgentID] is ScenePresence)
+                {
+                    ScenePresence user = (ScenePresence) ((Scene)(client.Scene)).Entities[toAgentID];
+
+                    if (!user.IsChildAgent)
+                    {
+                        //byte[] rawId = new byte[16];
+
+                        // First byte of the array is probably the item type
+                        // Next 16 bytes are the UUID
+                        //Array.Copy(binaryBucket, 1, rawId, 0, 16);
+
+                        //UUID itemId = new UUID(new Guid(rawId));
+                        UUID itemId = new UUID(binaryBucket, 1);
+
+                        m_log.DebugFormat(
+                            "[AGENT INVENTORY]: ItemId for giving is {0}", itemId);
+
+                        m_pendingOffers[imSessionID] = itemId;
+
+                        user.ControllingClient.SendInstantMessage(
+                            fromAgentID, fromAgentSession, message, toAgentID, imSessionID, fromAgentName,
+                            dialog, timestamp, binaryBucket);
+
+                        return;
+                    }
+                    else
+                    {
+                        m_log.WarnFormat(
+                            "[AGENT INVENTORY]: Agent {0} targeted for inventory give by {1}, {2} of {3} was a child agent!",
+                            toAgentID, client.AgentId, client.Name, message);
+                    }
+                }
+                else
+                {
+                    m_log.WarnFormat(
+                        "[AGENT INVENTORY]: Could not find agent {0} for user {1}, {2} to give {3}",
+                        toAgentID, client.AgentId, client.Name, message);
+                }
+            }
+            else if (dialog == (byte) InstantMessageDialog.InventoryAccepted)
+            {
+                m_log.DebugFormat(
+                    "[AGENT INVENTORY]: Routing inventory accepted message from {0}, {1} to {2}",
+                    client.AgentId, client.Name, toAgentID);
+
+                if (((Scene)(client.Scene)).Entities.ContainsKey(toAgentID) && ((Scene)(client.Scene)).Entities[toAgentID] is ScenePresence)
+                {
+                    ScenePresence user = (ScenePresence) ((Scene)(client.Scene)).Entities[toAgentID];
+
+                    if (!user.IsChildAgent)
+                    {
+                        user.ControllingClient.SendInstantMessage(
+                            fromAgentID, fromAgentSession, message, toAgentID, imSessionID, fromAgentName,
+                            dialog, timestamp, binaryBucket);
+
+                        if (m_pendingOffers.ContainsKey(imSessionID))
+                        {
+                            m_log.DebugFormat(
+                                "[AGENT INVENTORY]: Accepted item id {0}", m_pendingOffers[imSessionID]);
+
+                            // Since the message originates from the accepting client, the toAgentID is
+                            // the agent giving the item.
+                            ((Scene)(client.Scene)).GiveInventoryItem(client, toAgentID, m_pendingOffers[imSessionID]);
+
+                            m_pendingOffers.Remove(imSessionID);
+                        }
+                        else
+                        {
+                            m_log.ErrorFormat(
+                                "[AGENT INVENTORY]: Could not find an item associated with session id {0} to accept",
+                                imSessionID);
+                        }
+
+                        return;
+                    }
+                    else
+                    {
+                        m_log.WarnFormat(
+                            "[AGENT INVENTORY]: Agent {0} targeted for inventory give by {1}, {2} of {3} was a child agent!",
+                            toAgentID, client.AgentId, client.Name, message);
+                    }
+                }
+                else
+                {
+                    m_log.WarnFormat(
+                        "[AGENT INVENTORY]: Could not find agent {0} for user {1}, {2} to give {3}",
+                        toAgentID, client.AgentId, client.Name, message);
+                }
+            }
+            else if (dialog == (byte) InstantMessageDialog.InventoryDeclined)
+            {
+                if (((Scene)(client.Scene)).Entities.ContainsKey(toAgentID) && ((Scene)(client.Scene)).Entities[toAgentID] is ScenePresence)
+                {
+                    ScenePresence user = (ScenePresence) ((Scene)(client.Scene)).Entities[toAgentID];
+
+                    if (!user.IsChildAgent)
+                    {
+                        user.ControllingClient.SendInstantMessage(
+                            fromAgentID, fromAgentSession, message, toAgentID, imSessionID, fromAgentName,
+                            dialog, timestamp, binaryBucket);
+
+                        if (m_pendingOffers.ContainsKey(imSessionID))
+                        {
+                            m_log.DebugFormat(
+                                "[AGENT INVENTORY]: Declined item id {0}", m_pendingOffers[imSessionID]);
+
+                            m_pendingOffers.Remove(imSessionID);
+                        }
+                        else
+                        {
+                            m_log.ErrorFormat(
+                                "[AGENT INVENTORY]: Could not find an item associated with session id {0} to decline",
+                                imSessionID);
+                        }
+                    }
+                }
+            }
+        }
+
+        public void SetRootAgentScene(UUID agentID, Scene scene)
+        {
+            m_AgentRegions[agentID] = scene;
+        }
+
+        public bool NeedSceneCacheClear(UUID agentID, Scene scene)
+        {
+            if (!m_AgentRegions.ContainsKey(agentID))
+            {
+                // Since we can get here two ways, we need to scan
+                // the scenes here. This is somewhat more expensive
+                // but helps avoid a nasty bug
+                //
+
+                foreach (Scene s in m_Scenelist)
+                {
+                    ScenePresence presence;
+
+                    if (s.TryGetAvatar(agentID, out presence))
+                    {
+                        // If the agent is in this scene, then we
+                        // are being called twice in a single
+                        // teleport. This is wasteful of cycles
+                        // but harmless due to this 2nd level check
+                        //
+                        // If the agent is found in another scene
+                        // then the list wasn't current
+                        //
+                        // If the agent is totally unknown, then what
+                        // are we even doing here??
+                        //
+                        if (s == scene)
+                            return true;
+                        else
+                            return false;
+                    }
+                }
+                return true;
+            }
+
+            // The agent is left in current Scene, so we must be
+            // going to another instance
+            //
+            if (m_AgentRegions[agentID] == scene)
+            {
+                m_AgentRegions.Remove(agentID);
+                return true;
+            }
+
+            // Another region has claimed the agent
+            //
+            return false;
+        }
+
+        public void ClientLoggedOut(UUID agentID)
+        {
+            if (m_AgentRegions.ContainsKey(agentID))
+                m_AgentRegions.Remove(agentID);
+        }
+    }
+}