2c9080561c
git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@279 52acb1d6-8a22-11de-b505-999d5b087335
610 lines
20 KiB
C#
610 lines
20 KiB
C#
/*
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* Copyright (c) 2006, Second Life Reverse Engineering Team
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* All rights reserved.
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*
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* - Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* - Neither the name of the Second Life Reverse Engineering Team nor the names
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* of its contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using libsecondlife;
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using libsecondlife.AssetSystem;
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using libsecondlife.Packets;
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namespace libsecondlife.InventorySystem
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{
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/// <summary>
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/// Summary description for Inventory.
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/// </summary>
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public class InventoryManager
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{
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private const bool DEBUG_PACKETS = true;
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// Reference to the SLClient Library
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private SecondLife slClient;
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// Reference to the Asset Manager
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private static AssetManager slAssetManager;
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internal AssetManager AssetManager
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{
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get{ return slAssetManager; }
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}
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public InventoryPacketHelper InvPacketHelper = null;
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// UUID of Root Inventory Folder
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private LLUUID uuidRootFolder;
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// Setup a hashtable to easily lookup folders by UUID
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private Hashtable htFoldersByUUID = new Hashtable();
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// Setup a Hashtable to track download progress
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private Hashtable htFolderDownloadStatus;
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private ArrayList alFolderRequestQueue;
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// Used to track current item being created
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private InventoryItem iiCreationInProgress;
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private bool ItemCreationInProgress;
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private uint LastPacketRecieved;
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// Each InventorySystem needs to be initialized with a client and root folder.
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public InventoryManager( SecondLife client, LLUUID rootFolder )
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{
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slClient = client;
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if( slAssetManager == null )
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{
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slAssetManager = new AssetManager( slClient );
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}
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InvPacketHelper = new InventoryPacketHelper(slClient.Network.AgentID, slClient.Network.SessionID);
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uuidRootFolder = rootFolder;
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resetFoldersByUUID();
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// Setup the callback for Inventory Downloads
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PacketCallback InventoryDescendentsCallback = new PacketCallback(InventoryDescendentsHandler);
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slClient.Network.RegisterCallback(PacketType.InventoryDescendents, InventoryDescendentsCallback);
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// Setup the callback for Inventory Creation Update
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PacketCallback UpdateCreateInventoryItemCallback = new PacketCallback(UpdateCreateInventoryItemHandler);
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slClient.Network.RegisterCallback(PacketType.UpdateCreateInventoryItem, UpdateCreateInventoryItemCallback);
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}
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// Used primarily for debugging and testing
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public AssetManager getAssetManager()
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{
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Console.WriteLine("It is not recommended that you access the asset manager directly");
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return AssetManager;
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}
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private void resetFoldersByUUID()
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{
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// Init folder structure with root
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htFoldersByUUID = new Hashtable();
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InventoryFolder ifRootFolder = new InventoryFolder(this, "My Inventory", uuidRootFolder, null);
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htFoldersByUUID[uuidRootFolder] = ifRootFolder;
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}
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public InventoryFolder getRootFolder()
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{
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return (InventoryFolder)htFoldersByUUID[uuidRootFolder];
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}
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public InventoryFolder getFolder( LLUUID folderID )
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{
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return (InventoryFolder)htFoldersByUUID[folderID];
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}
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public InventoryFolder getFolder( String sFolderPath )
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{
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string sSecretConst = "+@#%$#$%^%^%$^$%SV$#%FR$G";
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sFolderPath = sFolderPath.Replace("//",sSecretConst);
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if (sFolderPath.StartsWith("/"))
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{
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sFolderPath = sFolderPath.Remove(0, 1);
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}
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if (sFolderPath.Length == 0)
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{
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return getRootFolder();
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}
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char[] seperators = { '/' };
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string[] sFolderPathParts = sFolderPath.Split(seperators);
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for( int i = 0; i<sFolderPathParts.Length; i++ )
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{
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sFolderPathParts[i] = sFolderPathParts[i].Replace(sSecretConst,"/");
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}
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Queue pathParts = new Queue(sFolderPathParts);
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return getFolder(pathParts);
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}
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private InventoryFolder getFolder( Queue qFolderPath )
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{
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return getFolder( qFolderPath, getRootFolder() );
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}
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private InventoryFolder getFolder( Queue qFolderPath, InventoryFolder ifRoot )
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{
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string sCurFolder = (string)qFolderPath.Dequeue();
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foreach( InventoryBase ibFolder in ifRoot.alContents )
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{
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if( ibFolder is libsecondlife.InventorySystem.InventoryFolder )
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{
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if( ((InventoryFolder)ibFolder).Name.Equals( sCurFolder ) )
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{
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if( qFolderPath.Count == 0 )
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{
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return (InventoryFolder)ibFolder;
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}
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else
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{
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return getFolder( qFolderPath, (InventoryFolder)ibFolder );
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}
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}
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}
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}
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return null;
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}
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private void RequestFolder( DescendentRequest dr )
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{
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Packet packet = InvPacketHelper.FetchInventoryDescendents(
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dr.FolderID
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, dr.FetchFolders
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, dr.FetchItems);
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htFolderDownloadStatus[dr.FolderID] = dr;
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slClient.Network.SendPacket(packet);
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}
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internal InventoryFolder FolderCreate( String name, LLUUID parentid )
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{
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InventoryFolder ifolder = new InventoryFolder( this, name, LLUUID.GenerateUUID(), parentid );
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ifolder._Type = -1;
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if( htFoldersByUUID.Contains(ifolder.ParentID) )
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{
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if( ((InventoryFolder)htFoldersByUUID[ifolder.ParentID]).alContents.Contains(ifolder) == false)
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{
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// Add new folder to the contents of the parent folder.
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((InventoryFolder)htFoldersByUUID[ifolder.ParentID]).alContents.Add( ifolder );
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}
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} else {
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throw new Exception("Parent Folder " + ifolder.ParentID + " does not exist in this Inventory Manager.");
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}
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if( htFoldersByUUID.Contains( ifolder.FolderID ) == false )
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{
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htFoldersByUUID[ifolder.FolderID] = ifolder;
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}
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Packet packet = InvPacketHelper.CreateInventoryFolder(ifolder.Name, ifolder.ParentID, ifolder.Type, ifolder.FolderID);
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slClient.Network.SendPacket(packet);
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return ifolder;
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}
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internal void FolderRemove( InventoryFolder ifolder )
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{
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FolderRemove( ifolder.FolderID );
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}
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internal void FolderRemove( LLUUID folderID )
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{
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htFoldersByUUID.Remove( folderID );
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Packet packet = InvPacketHelper.RemoveInventoryFolder(folderID);
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slClient.Network.SendPacket(packet);
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}
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internal void FolderMove( InventoryFolder iFolder, LLUUID newParentID )
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{
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Packet packet = InvPacketHelper.MoveInventoryFolder(newParentID, iFolder.FolderID);
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slClient.Network.SendPacket(packet);
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}
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internal void FolderRename( InventoryFolder ifolder )
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{
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Packet packet = InvPacketHelper.UpdateInventoryFolder(ifolder.Name, ifolder.ParentID, ifolder.Type, ifolder.FolderID);
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slClient.Network.SendPacket(packet);
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}
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internal void ItemCreate(InventoryItem iitem)
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{
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if (ItemCreationInProgress)
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{
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throw new Exception("Can only create one item at a time, and an item creation is already in progress.");
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}
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else
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{
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ItemCreationInProgress = true;
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iiCreationInProgress = iitem;
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}
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Packet packet = InvPacketHelper.CreateInventoryItem(iitem);
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slClient.Network.SendPacket(packet);
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if (DEBUG_PACKETS) { Console.WriteLine(packet); }
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while (ItemCreationInProgress)
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{
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slClient.Tick();
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}
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}
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internal void ItemUpdate( InventoryItem iitem )
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{
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Packet packet = InvPacketHelper.UpdateInventoryItem(iitem);
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slClient.Network.SendPacket(packet);
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}
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internal void ItemCopy( LLUUID ItemID, LLUUID TargetFolderID )
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{
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Packet packet = InvPacketHelper.CopyInventoryItem(ItemID, TargetFolderID);
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slClient.Network.SendPacket(packet);
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}
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internal void ItemGiveTo( InventoryItem iitem, LLUUID ToAgentID )
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{
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LLUUID MessageID = LLUUID.GenerateUUID();
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Packet packet = InvPacketHelper.ImprovedInstantMessage(
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MessageID
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, ToAgentID
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, slClient.Avatar.FirstName + " " + slClient.Avatar.LastName
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, slClient.Avatar.Position
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, iitem
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);
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slClient.Network.SendPacket(packet);
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}
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internal void ItemRemove( InventoryItem iitem )
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{
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InventoryFolder ifolder = getFolder( iitem.FolderID );
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ifolder.alContents.Remove( iitem );
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Packet packet = InvPacketHelper.RemoveInventoryItem(iitem.ItemID);
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slClient.Network.SendPacket(packet);
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}
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internal InventoryNotecard NewNotecard( string Name, string Description, string Body, LLUUID FolderID )
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{
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InventoryNotecard iNotecard = new InventoryNotecard( this, Name, Description, FolderID, slClient.Network.AgentID );
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// Create this notecard on the server.
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ItemCreate(iNotecard );
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if( (Body != null) && (Body.Equals("") != true) )
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{
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iNotecard.Body = Body;
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}
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return iNotecard;
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}
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internal InventoryImage NewImage( string Name, string Description, byte[] j2cdata, LLUUID FolderID )
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{
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InventoryImage iImage = new InventoryImage( this, Name, Description, FolderID, slClient.Network.AgentID );
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// Create this image on the server.
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ItemCreate(iImage);
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if( (j2cdata != null) && (j2cdata.Length != 0) )
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{
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iImage.J2CData = j2cdata;
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}
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return iImage;
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}
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public void DownloadInventory()
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{
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resetFoldersByUUID();
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if( htFolderDownloadStatus == null )
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{
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// Create status table
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htFolderDownloadStatus = new Hashtable();
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} else {
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if( htFolderDownloadStatus.Count != 0 )
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{
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throw new Exception("Inventory Download requested while previous download in progress.");
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}
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}
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if( alFolderRequestQueue == null )
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{
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alFolderRequestQueue = new ArrayList();
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}
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// Set last packet received to now, just so out time-out timer works
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LastPacketRecieved = Helpers.GetUnixTime();
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// Send Packet requesting the root Folder,
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// this should recurse through all folders
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RequestFolder( new DescendentRequest(uuidRootFolder) );
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while ( (htFolderDownloadStatus.Count > 0) || (alFolderRequestQueue.Count > 0) )
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{
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if( htFolderDownloadStatus.Count == 0 )
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{
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DescendentRequest dr = (DescendentRequest)alFolderRequestQueue[0];
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alFolderRequestQueue.RemoveAt(0);
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RequestFolder( dr );
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}
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if ((Helpers.GetUnixTime() - LastPacketRecieved) > 10)
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{
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Console.WriteLine("Time-out while waiting for packets (" + (Helpers.GetUnixTime() - LastPacketRecieved) + " seconds since last packet)");
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Console.WriteLine("Current Status:");
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// have to make a seperate list otherwise we run into modifying the original array
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// while still enumerating it.
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ArrayList alRestartList = new ArrayList();
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if (htFolderDownloadStatus[0] != null)
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{
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Console.WriteLine(htFolderDownloadStatus[0].GetType());
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}
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foreach( DescendentRequest dr in htFolderDownloadStatus.Values )
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{
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Console.WriteLine( dr.FolderID + " " + dr.Expected + " / " + dr.Received + " / " + dr.LastReceived );
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alRestartList.Add( dr );
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}
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LastPacketRecieved = Helpers.GetUnixTime();
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foreach( DescendentRequest dr in alRestartList )
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{
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RequestFolder( dr );
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}
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}
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slClient.Tick();
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}
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}
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public void UpdateCreateInventoryItemHandler(Packet packet, Simulator simulator)
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{
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if (DEBUG_PACKETS) { Console.WriteLine(packet); }
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if (ItemCreationInProgress)
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{
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UpdateCreateInventoryItemPacket reply = (UpdateCreateInventoryItemPacket)packet;
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// User internal variable references, so we don't fire off any update code by using the public accessors
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iiCreationInProgress._ItemID = reply.InventoryData[0].ItemID;
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iiCreationInProgress._GroupOwned = reply.InventoryData[0].GroupOwned;
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iiCreationInProgress._SaleType = reply.InventoryData[0].SaleType;
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iiCreationInProgress._CreationDate = reply.InventoryData[0].CreationDate;
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iiCreationInProgress._BaseMask = reply.InventoryData[0].BaseMask;
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iiCreationInProgress._Name = Helpers.FieldToString(reply.InventoryData[0].Name);
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iiCreationInProgress._InvType = reply.InventoryData[0].InvType;
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iiCreationInProgress._Type = reply.InventoryData[0].Type;
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iiCreationInProgress._AssetID = reply.InventoryData[0].AssetID;
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iiCreationInProgress._GroupID = reply.InventoryData[0].GroupID;
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iiCreationInProgress._SalePrice = reply.InventoryData[0].SalePrice;
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iiCreationInProgress._OwnerID = reply.InventoryData[0].OwnerID;
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iiCreationInProgress._CreatorID = reply.InventoryData[0].CreatorID;
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iiCreationInProgress._ItemID = reply.InventoryData[0].ItemID;
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iiCreationInProgress._FolderID = reply.InventoryData[0].FolderID;
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iiCreationInProgress._EveryoneMask = reply.InventoryData[0].EveryoneMask;
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iiCreationInProgress._Description = Helpers.FieldToString(reply.InventoryData[0].Description);
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iiCreationInProgress._NextOwnerMask = reply.InventoryData[0].NextOwnerMask;
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iiCreationInProgress._GroupMask = reply.InventoryData[0].GroupMask;
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iiCreationInProgress._OwnerMask = reply.InventoryData[0].OwnerMask;
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// NOT USED YET: iiCreationInProgress._CallbackID = reply.InventoryData[0].CallbackID;
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ItemCreationInProgress = false;
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}
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else
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{
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Console.WriteLine(packet);
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throw new Exception("Received a packet for item creation, but no such response was expected. This is probably a bad thing...");
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}
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}
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public void InventoryDescendentsHandler(Packet packet, Simulator simulator)
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{
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InventoryDescendentsPacket reply = (InventoryDescendentsPacket)packet;
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LastPacketRecieved = Helpers.GetUnixTime();
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InventoryItem invItem;
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InventoryFolder invFolder;
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LLUUID uuidFolderID = new LLUUID();
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int iDescendentsExpected = int.MaxValue;
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int iDescendentsReceivedThisBlock = 0;
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foreach (InventoryDescendentsPacket.ItemDataBlock itemBlock in reply.ItemData)
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{
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// There is always an item block, even if there isn't any items
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// the "filler" block will not have a name
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if (itemBlock.Name.Length != 0)
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{
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iDescendentsReceivedThisBlock++;
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invItem = new InventoryItem(this, itemBlock);
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InventoryFolder ifolder = (InventoryFolder)htFoldersByUUID[invItem.FolderID];
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if (ifolder.alContents.Contains(invItem) == false)
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{
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if ((invItem.InvType == 7) && (invItem.Type == Asset.ASSET_TYPE_NOTECARD))
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{
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InventoryItem temp = new InventoryNotecard(this, invItem);
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invItem = temp;
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}
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if ((invItem.InvType == 0) && (invItem.Type == Asset.ASSET_TYPE_IMAGE))
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{
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InventoryItem temp = new InventoryImage(this, invItem);
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invItem = temp;
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}
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ifolder.alContents.Add(invItem);
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}
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}
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}
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foreach (InventoryDescendentsPacket.FolderDataBlock folderBlock in reply.FolderData)
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{
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String name = System.Text.Encoding.UTF8.GetString(folderBlock.Name).Trim().Replace("\0", "");
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LLUUID folderid = folderBlock.FolderID;
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LLUUID parentid = folderBlock.ParentID;
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sbyte type = folderBlock.Type;
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// There is always an folder block, even if there isn't any folders
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// the "filler" block will not have a name
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if (folderBlock.Name.Length != 0)
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{
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invFolder = new InventoryFolder(this, name, folderid, parentid);
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iDescendentsReceivedThisBlock++;
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// Add folder to Parent
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InventoryFolder ifolder = (InventoryFolder)htFoldersByUUID[invFolder.ParentID];
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if( ifolder.alContents.Contains(invFolder) == false )
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{
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ifolder.alContents.Add(invFolder);
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}
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// Add folder to UUID Lookup
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htFoldersByUUID[invFolder.FolderID] = invFolder;
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// It's not the root, should be safe to "recurse"
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if( !invFolder.FolderID.Equals( uuidRootFolder ) )
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{
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bool alreadyQueued = false;
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foreach( DescendentRequest dr in alFolderRequestQueue )
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{
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if( dr.FolderID == invFolder.FolderID )
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{
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alreadyQueued = true;
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break;
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}
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}
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if( !alreadyQueued )
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{
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alFolderRequestQueue.Add( new DescendentRequest( invFolder.FolderID ) );
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}
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}
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}
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}
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|
|
|
|
// Check how many descendents we're actually supposed to receive
|
|
iDescendentsExpected = reply.AgentData.Descendents;
|
|
uuidFolderID = reply.AgentData.FolderID;
|
|
|
|
// Update download status for this folder
|
|
if( iDescendentsReceivedThisBlock >= iDescendentsExpected )
|
|
{
|
|
// We received all the descendents we're expecting for this folder
|
|
// in this packet, so go ahead and remove folder from status list.
|
|
htFolderDownloadStatus.Remove(uuidFolderID);
|
|
}
|
|
else
|
|
{
|
|
|
|
// This one packet didn't have all the descendents we're expecting
|
|
// so update the total we're expecting, and update the total downloaded
|
|
|
|
DescendentRequest dr = (DescendentRequest)htFolderDownloadStatus[uuidFolderID];
|
|
dr.Expected = iDescendentsExpected;
|
|
dr.Received += iDescendentsReceivedThisBlock;
|
|
dr.LastReceived = Helpers.GetUnixTime();
|
|
|
|
if( dr.Received >= dr.Expected )
|
|
{
|
|
// Looks like after updating, we have all the descendents,
|
|
// remove from folder status.
|
|
htFolderDownloadStatus.Remove(uuidFolderID);
|
|
}
|
|
else
|
|
{
|
|
htFolderDownloadStatus[uuidFolderID] = dr;
|
|
// Console.WriteLine( uuidFolderID + " is expecting " + (iDescendentsExpected - iStatus[1]) + " more packets." );
|
|
}
|
|
}
|
|
}
|
|
|
|
private class DescendentRequest
|
|
{
|
|
public LLUUID FolderID;
|
|
|
|
public int Expected = int.MaxValue;
|
|
public int Received = 0;
|
|
public uint LastReceived = 0;
|
|
|
|
public bool FetchFolders = true;
|
|
public bool FetchItems = true;
|
|
|
|
public DescendentRequest(LLUUID folderID)
|
|
{
|
|
FolderID = folderID;
|
|
LastReceived = Helpers.GetUnixTime();
|
|
}
|
|
|
|
public DescendentRequest(LLUUID folderID, bool fetchFolders, bool fetchItems)
|
|
{
|
|
FolderID = folderID;
|
|
FetchFolders = fetchFolders;
|
|
FetchItems = fetchItems;
|
|
LastReceived = Helpers.GetUnixTime();
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|