thanks lkalif for Mantis #4676 - a patch that adds support for inventory links

Signed-off-by: dahlia <dahliaTrimble@gmail.removeme.com>

CONTRIBUTORS.txt

@@ -88,6 +88,7 @@ what it is today.
 * Kitto Flora
 * KittyLiu
 * Kurt Taylor (IBM)
+* lkalif
 * lulurun 
 * M.Igarashi
 * maimedleech

OpenSim/Client/MXP/ClientStack/MXPClientView.cs

@@ -642,6 +642,7 @@ namespace OpenSim.Client.MXP.ClientStack
         public event Action<UUID> OnRemoveAvatar;
         public event ObjectPermissions OnObjectPermissions;
         public event CreateNewInventoryItem OnCreateNewInventoryItem;
+        public event LinkInventoryItem OnLinkInventoryItem;
         public event CreateInventoryFolder OnCreateNewInventoryFolder;
         public event UpdateInventoryFolder OnUpdateInventoryFolder;
         public event MoveInventoryFolder OnMoveInventoryFolder;

OpenSim/Client/Sirikata/ClientStack/SirikataClientView.cs

@@ -288,6 +288,7 @@ namespace OpenSim.Client.Sirikata.ClientStack
         public event Action<UUID> OnRemoveAvatar;
         public event ObjectPermissions OnObjectPermissions;
         public event CreateNewInventoryItem OnCreateNewInventoryItem;
+        public event LinkInventoryItem OnLinkInventoryItem;
         public event CreateInventoryFolder OnCreateNewInventoryFolder;
         public event UpdateInventoryFolder OnUpdateInventoryFolder;
         public event MoveInventoryFolder OnMoveInventoryFolder;

OpenSim/Client/VWoHTTP/ClientStack/VWHClientView.cs

@@ -291,6 +291,7 @@ namespace OpenSim.Client.VWoHTTP.ClientStack
         public event Action<UUID> OnRemoveAvatar = delegate { };
         public event ObjectPermissions OnObjectPermissions = delegate { };
         public event CreateNewInventoryItem OnCreateNewInventoryItem = delegate { };
+        public event LinkInventoryItem OnLinkInventoryItem = delegate { };
         public event CreateInventoryFolder OnCreateNewInventoryFolder = delegate { };
         public event UpdateInventoryFolder OnUpdateInventoryFolder = delegate { };
         public event MoveInventoryFolder OnMoveInventoryFolder = delegate { };

OpenSim/Framework/IClientAPI.cs

@@ -236,6 +236,10 @@ namespace OpenSim.Framework
         IClientAPI remoteClient, UUID transActionID, UUID folderID, uint callbackID, string description, string name,
         sbyte invType, sbyte type, byte wearableType, uint nextOwnerMask, int creationDate);
 
+    public delegate void LinkInventoryItem(
+        IClientAPI remoteClient, UUID transActionID, UUID folderID, uint callbackID, string description, string name,
+        sbyte invType, sbyte type, UUID olditemID);
+
     public delegate void FetchInventoryDescendents(
         IClientAPI remoteClient, UUID folderID, UUID ownerID, bool fetchFolders, bool fetchItems, int sortOrder);
 
@@ -930,6 +934,7 @@ namespace OpenSim.Framework
         event ObjectPermissions OnObjectPermissions;
 
         event CreateNewInventoryItem OnCreateNewInventoryItem;
+        event LinkInventoryItem OnLinkInventoryItem;
         event CreateInventoryFolder OnCreateNewInventoryFolder;
         event UpdateInventoryFolder OnUpdateInventoryFolder;
         event MoveInventoryFolder OnMoveInventoryFolder;

OpenSim/Region/ClientStack/LindenUDP/LLClientView.cs

@@ -182,6 +182,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         public event TeleportLocationRequest OnSetStartLocationRequest;
         public event UpdateAvatarProperties OnUpdateAvatarProperties;
         public event CreateNewInventoryItem OnCreateNewInventoryItem;
+        public event LinkInventoryItem OnLinkInventoryItem;
         public event CreateInventoryFolder OnCreateNewInventoryFolder;
         public event UpdateInventoryFolder OnUpdateInventoryFolder;
         public event MoveInventoryFolder OnMoveInventoryFolder;
@@ -4749,6 +4750,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             AddLocalPacketHandler(PacketType.UpdateInventoryFolder, HandleUpdateInventoryFolder);
             AddLocalPacketHandler(PacketType.MoveInventoryFolder, HandleMoveInventoryFolder);
             AddLocalPacketHandler(PacketType.CreateInventoryItem, HandleCreateInventoryItem);
+            AddLocalPacketHandler(PacketType.LinkInventoryItem, HandleLinkInventoryItem);
             AddLocalPacketHandler(PacketType.FetchInventory, HandleFetchInventory);
             AddLocalPacketHandler(PacketType.FetchInventoryDescendents, HandleFetchInventoryDescendents);
             AddLocalPacketHandler(PacketType.PurgeInventoryDescendents, HandlePurgeInventoryDescendents);
@@ -7348,6 +7350,38 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             return true;
         }
 
+        private bool HandleLinkInventoryItem(IClientAPI sender, Packet Pack)
+        {
+            LinkInventoryItemPacket createLink = (LinkInventoryItemPacket)Pack;
+
+            #region Packet Session and User Check
+            if (m_checkPackets)
+            {
+                if (createLink.AgentData.SessionID != SessionId ||
+                    createLink.AgentData.AgentID != AgentId)
+                    return true;
+            }
+            #endregion
+
+            LinkInventoryItem linkInventoryItem = OnLinkInventoryItem;
+
+            if (linkInventoryItem != null)
+            {
+                linkInventoryItem(
+                    this,
+                    createLink.InventoryBlock.TransactionID,
+                    createLink.InventoryBlock.FolderID,
+                    createLink.InventoryBlock.CallbackID,
+                    Util.FieldToString(createLink.InventoryBlock.Description),
+                    Util.FieldToString(createLink.InventoryBlock.Name),
+                    createLink.InventoryBlock.InvType,
+                    createLink.InventoryBlock.Type,
+                    createLink.InventoryBlock.OldItemID);
+            }
+
+            return true;
+        }
+
         private bool HandleFetchInventory(IClientAPI sender, Packet Pack)
         {
             if (OnFetchInventory != null)

OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs

@@ -129,6 +129,7 @@ namespace OpenSim.Region.Examples.SimpleModule
         public event Action<UUID> OnRemoveAvatar;
 
         public event CreateNewInventoryItem OnCreateNewInventoryItem;
+        public event LinkInventoryItem OnLinkInventoryItem;
         public event CreateInventoryFolder OnCreateNewInventoryFolder;
         public event UpdateInventoryFolder OnUpdateInventoryFolder;
         public event MoveInventoryFolder OnMoveInventoryFolder;

OpenSim/Region/Framework/Scenes/Scene.Inventory.cs

@@ -722,6 +722,37 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
+        private void HandleLinkInventoryItem(IClientAPI remoteClient, UUID transActionID, UUID folderID,
+                                             uint callbackID, string description, string name,
+                                             sbyte invType, sbyte type, UUID olditemID)
+        {
+            m_log.DebugFormat("[AGENT INVENTORY]: Received request to create inventory item link {0} in folder {1} pointing to {2}", name, folderID, olditemID);
+
+            if (!Permissions.CanCreateUserInventory(invType, remoteClient.AgentId))
+                return;
+
+            ScenePresence presence;
+            if (TryGetScenePresence(remoteClient.AgentId, out presence))
+            {
+                byte[] data = null;
+
+                AssetBase asset = new AssetBase();
+                asset.FullID = olditemID;
+                asset.Type = type;
+                asset.Name = name;
+                asset.Description = description;
+                
+                CreateNewInventoryItem(remoteClient, remoteClient.AgentId.ToString(), folderID, name, 0, callbackID, asset, invType, (uint)PermissionMask.All, (uint)PermissionMask.All, (uint)PermissionMask.All, (uint)PermissionMask.All, (uint)PermissionMask.All, Util.UnixTimeSinceEpoch());
+
+            }
+            else
+            {
+                m_log.ErrorFormat(
+                    "ScenePresence for agent uuid {0} unexpectedly not found in HandleLinkInventoryItem",
+                    remoteClient.AgentId);
+            }
+        }
+
         /// <summary>
         /// Remove an inventory item for the client's inventory
         /// </summary>

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -2749,6 +2749,7 @@ namespace OpenSim.Region.Framework.Scenes
         public virtual void SubscribeToClientInventoryEvents(IClientAPI client)
         {
             client.OnCreateNewInventoryItem += CreateNewInventoryItem;
+            client.OnLinkInventoryItem += HandleLinkInventoryItem;
             client.OnCreateNewInventoryFolder += HandleCreateInventoryFolder;
             client.OnUpdateInventoryFolder += HandleUpdateInventoryFolder;
             client.OnMoveInventoryFolder += HandleMoveInventoryFolder; // 2; //!!

OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs

@@ -724,6 +724,7 @@ namespace OpenSim.Region.OptionalModules.Agent.InternetRelayClientView.Server
         public event Action<UUID> OnRemoveAvatar;
         public event ObjectPermissions OnObjectPermissions;
         public event CreateNewInventoryItem OnCreateNewInventoryItem;
+        public event LinkInventoryItem OnLinkInventoryItem;
         public event CreateInventoryFolder OnCreateNewInventoryFolder;
         public event UpdateInventoryFolder OnUpdateInventoryFolder;
         public event MoveInventoryFolder OnMoveInventoryFolder;

OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs

@@ -235,6 +235,7 @@ namespace OpenSim.Region.OptionalModules.World.NPC
         public event Action<UUID> OnRemoveAvatar;
 
         public event CreateNewInventoryItem OnCreateNewInventoryItem;
+        public event LinkInventoryItem OnLinkInventoryItem;
         public event CreateInventoryFolder OnCreateNewInventoryFolder;
         public event UpdateInventoryFolder OnUpdateInventoryFolder;
         public event MoveInventoryFolder OnMoveInventoryFolder;

OpenSim/Tests/Common/Mock/TestClient.cs

@@ -141,6 +141,7 @@ namespace OpenSim.Tests.Common.Mock
         public event Action<UUID> OnRemoveAvatar;
 
         public event CreateNewInventoryItem OnCreateNewInventoryItem;
+        public event LinkInventoryItem OnLinkInventoryItem;
         public event CreateInventoryFolder OnCreateNewInventoryFolder;
         public event UpdateInventoryFolder OnUpdateInventoryFolder;
         public event MoveInventoryFolder OnMoveInventoryFolder;