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- /*
- * 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.Threading;
- using libsecondlife;
- using OpenSim.Framework.Console;
- namespace OpenSim.Framework.Communications.Cache
- {
- public class UserProfileCacheService
- {
- private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
- // Fields
- private readonly CommunicationsManager m_parent;
- private readonly Dictionary<LLUUID, CachedUserInfo> m_userProfiles = new Dictionary<LLUUID, CachedUserInfo>();
- public LibraryRootFolder libraryRoot = new LibraryRootFolder();
- // Methods
- public UserProfileCacheService(CommunicationsManager parent)
- {
- m_parent = parent;
- }
- /// <summary>
- /// A new user has moved into a region in this instance
- /// so get info from servers
- /// </summary>
- /// <param name="userID"></param>
- public void AddNewUser(LLUUID userID)
- {
- // Potential fix - Multithreading issue.
- lock (m_userProfiles)
- {
- if (!m_userProfiles.ContainsKey(userID))
- {
- CachedUserInfo userInfo = new CachedUserInfo(m_parent);
- userInfo.UserProfile = m_parent.UserService.GetUserProfile(userID);
- if (userInfo.UserProfile != null)
- {
- // The inventory will be populated when the user actually enters the scene
- m_userProfiles.Add(userID, userInfo);
- }
- else
- {
- m_log.ErrorFormat("[USER CACHE]: User profile for user {0} not found", userID);
- }
- }
- }
- }
- public void UpdateUserInventory(LLUUID userID)
- {
- CachedUserInfo userInfo = GetUserDetails(userID);
- if (userInfo != null)
- {
- RequestInventoryForUser(userID, userInfo);
- }
- }
- public CachedUserInfo GetUserDetails(LLUUID userID)
- {
- if (m_userProfiles.ContainsKey(userID))
- return m_userProfiles[userID];
- else
- return null;
- }
- public void HandleCreateInventoryFolder(IClientAPI remoteClient, LLUUID folderID, ushort folderType,
- string folderName, LLUUID parentID)
- {
- CachedUserInfo userProfile;
- if (m_userProfiles.TryGetValue(remoteClient.AgentId, out userProfile))
- {
- if (userProfile.RootFolder != null)
- {
- if (userProfile.RootFolder.folderID == parentID)
- {
- InventoryFolderImpl createdFolder =
- userProfile.RootFolder.CreateNewSubFolder(folderID, folderName, folderType);
- if (createdFolder != null)
- {
- InventoryFolderBase createdBaseFolder = new InventoryFolderBase();
- createdBaseFolder.agentID = createdFolder.agentID;
- createdBaseFolder.folderID = createdFolder.folderID;
- createdBaseFolder.name = createdFolder.name;
- createdBaseFolder.parentID = createdFolder.parentID;
- createdBaseFolder.type = createdFolder.type;
- createdBaseFolder.version = createdFolder.version;
- m_parent.InventoryService.AddNewInventoryFolder(remoteClient.AgentId, createdBaseFolder);
- }
- }
- else
- {
- InventoryFolderImpl folder = userProfile.RootFolder.HasSubFolder(parentID);
- if (folder != null)
- {
- folder.CreateNewSubFolder(folderID, folderName, folderType);
- }
- }
- }
- }
- }
- /// <summary>
- /// Handle a client request to update the inventory folder
- ///
- /// FIXME: We call add new inventory folder because in the data layer, we happen to use an SQL REPLACE
- /// so this will work to rename an existing folder. Needless to say, to rely on this is very confusing,
- /// and needs to be changed.
- /// </summary>
- /// <param name="remoteClient"></param>
- /// <param name="folderID"></param>
- /// <param name="type"></param>
- /// <param name="name"></param>
- /// <param name="parentID"></param>
- public void HandleUpdateInventoryFolder(IClientAPI remoteClient, LLUUID folderID, ushort type, string name,
- LLUUID parentID)
- {
- CachedUserInfo userProfile;
- if (m_userProfiles.TryGetValue(remoteClient.AgentId, out userProfile))
- {
- if (userProfile.RootFolder != null)
- {
- InventoryFolderBase baseFolder = new InventoryFolderBase();
- baseFolder.agentID = remoteClient.AgentId;
- baseFolder.folderID = folderID;
- baseFolder.name = name;
- baseFolder.parentID = parentID;
- baseFolder.type = (short) type;
- baseFolder.version = userProfile.RootFolder.version;
- m_parent.InventoryService.AddNewInventoryFolder(remoteClient.AgentId, baseFolder);
- }
- }
- }
- public void HandleMoveInventoryFolder(IClientAPI remoteClient, LLUUID folderID, LLUUID parentID)
- {
- CachedUserInfo userProfile;
- if (m_userProfiles.TryGetValue(remoteClient.AgentId, out userProfile))
- {
- if (userProfile.RootFolder != null)
- {
- InventoryFolderBase baseFolder = new InventoryFolderBase();
- baseFolder.agentID = remoteClient.AgentId;
- baseFolder.folderID = folderID;
- baseFolder.parentID = parentID;
- m_parent.InventoryService.MoveInventoryFolder(remoteClient.AgentId, baseFolder);
- }
- }
- }
- /// <summary>
- /// Tell the client about the various child items and folders contained in the requested folder.
- /// </summary>
- /// <param name="remoteClient"></param>
- /// <param name="folderID"></param>
- /// <param name="ownerID"></param>
- /// <param name="fetchFolders"></param>
- /// <param name="fetchItems"></param>
- /// <param name="sortOrder"></param>
- public void HandleFetchInventoryDescendents(IClientAPI remoteClient, LLUUID folderID, LLUUID ownerID,
- bool fetchFolders, bool fetchItems, int sortOrder)
- {
- // XXX We're not handling sortOrder yet!
- InventoryFolderImpl fold = null;
- if (folderID == libraryRoot.folderID)
- {
- remoteClient.SendInventoryFolderDetails(
- libraryRoot.agentID, libraryRoot.folderID, libraryRoot.RequestListOfItems(),
- libraryRoot.RequestListOfFolders(), fetchFolders, fetchItems);
- return;
- }
- if ((fold = libraryRoot.HasSubFolder(folderID)) != null)
- {
- remoteClient.SendInventoryFolderDetails(
- libraryRoot.agentID, folderID, fold.RequestListOfItems(),
- fold.RequestListOfFolders(), fetchFolders, fetchItems);
- return;
- }
- CachedUserInfo userProfile;
- if (m_userProfiles.TryGetValue(remoteClient.AgentId, out userProfile))
- {
- // XXX: When a client crosses into a scene, their entire inventory is fetched
- // asynchronously. However, if the client is logging on and does not have a cached root
- // folder, then the root folder request usually comes in *before* the async completes, leading to
- // inventory failure.
- //
- // This is a crude way of dealing with that by retrying the lookup.
- if (userProfile.RootFolder == null)
- {
- int attempts = 5;
- while (attempts-- > 0)
- {
- Thread.Sleep(3000);
-
- if (userProfile.RootFolder != null)
- {
- break;
- }
- }
- }
-
- if (userProfile.RootFolder != null)
- {
- if (userProfile.RootFolder.folderID == folderID)
- {
- // m_log.DebugFormat(
- // "[AGENT INVENTORY]: Found root folder {0} for client {1}",
- // folderID, remoteClient.AgentId);
-
- remoteClient.SendInventoryFolderDetails(
- remoteClient.AgentId, folderID, userProfile.RootFolder.RequestListOfItems(),
- userProfile.RootFolder.RequestListOfFolders(),
- fetchFolders, fetchItems);
- return;
- }
- else
- {
- if ((fold = userProfile.RootFolder.HasSubFolder(folderID)) != null)
- {
- // m_log.DebugFormat(
- // "[AGENT INVENTORY]: Found folder {0} for client {1}",
- // folderID, remoteClient.AgentId);
-
- remoteClient.SendInventoryFolderDetails(
- remoteClient.AgentId, folderID, fold.RequestListOfItems(),
- fold.RequestListOfFolders(), fetchFolders, fetchItems);
- return;
- }
- }
- }
- else
- {
- m_log.ErrorFormat("[INVENTORY CACHE]: Could not find root folder for user {0}", remoteClient.Name);
- return;
- }
- }
- else
- {
- m_log.ErrorFormat("[INVENTORY CACHE]: Could not find user profile for {0} for folder {1}",
- remoteClient.Name, folderID);
- return;
- }
- // If we've reached this point then we couldn't find the folder, even though the client thinks
- // it exists
- m_log.ErrorFormat("[INVENTORY CACHE]: Could not find folder {0} for user {1}",
- folderID, remoteClient.Name);
- }
- public List<InventoryItemBase> HandleFetchInventoryDescendentsCAPS(LLUUID agentID, LLUUID folderID, LLUUID ownerID,
- bool fetchFolders, bool fetchItems, int sortOrder)
- {
- // XXX We're not handling sortOrder yet!
- // with CAPS we are only return items in the folders at the moment
- // need to find the format that sub folder details are sent in
- // if (fetchItems)
- // {
- InventoryFolderImpl fold = null;
- if (folderID == libraryRoot.folderID)
- {
- return libraryRoot.RequestListOfItems();
- }
- if ((fold = libraryRoot.HasSubFolder(folderID)) != null)
- {
- return fold.RequestListOfItems();
- }
- CachedUserInfo userProfile;
- if (m_userProfiles.TryGetValue(agentID, out userProfile))
- {
- if (userProfile.RootFolder != null)
- {
- if (userProfile.RootFolder.folderID == folderID)
- {
- return userProfile.RootFolder.RequestListOfItems();
- }
- else
- {
- if ((fold = userProfile.RootFolder.HasSubFolder(folderID)) != null)
- {
- return fold.RequestListOfItems();
- }
- }
- }
- else
- {
- m_log.ErrorFormat("[INVENTORY CACHE]: Could not find root folder for user {0}", agentID.ToString());
- return new List<InventoryItemBase>(); ;
- }
- }
- else
- {
- m_log.ErrorFormat("[INVENTORY CACHE]: " +
- "Could not find user profile for {0} for folder {1}",
- agentID.ToString(), folderID);
- return new List<InventoryItemBase>();
- }
- // If we've reached this point then we couldn't find the folder, even though the client thinks
- // it exists
- m_log.ErrorFormat("[INVENTORY CACHE]: " +
- "Could not find folder {0} for user {1}",
- folderID, agentID.ToString());
- // }
- return new List<InventoryItemBase>();
- }
- public void HandlePurgeInventoryDescendents(IClientAPI remoteClient, LLUUID folderID)
- {
- // m_log.InfoFormat("[INVENTORYCACHE]: Purging folder {0} for {1} uuid {2}",
- // folderID, remoteClient.Name, remoteClient.AgentId);
-
- CachedUserInfo userProfile;
- if (m_userProfiles.TryGetValue(remoteClient.AgentId, out userProfile))
- {
- if (userProfile.RootFolder != null)
- {
- InventoryFolderImpl subFolder = userProfile.RootFolder.HasSubFolder(folderID);
- if (subFolder != null)
- {
- List<InventoryItemBase> items = subFolder.RequestListOfItems();
- foreach (InventoryItemBase item in items)
- {
- userProfile.DeleteItem(remoteClient.AgentId, item);
- }
- }
- }
- }
- }
- public void HandleFetchInventory(IClientAPI remoteClient, LLUUID itemID, LLUUID ownerID)
- {
- if (ownerID == libraryRoot.agentID)
- {
- //Console.WriteLine("request info for library item");
- return;
- }
- CachedUserInfo userProfile;
- if (m_userProfiles.TryGetValue(remoteClient.AgentId, out userProfile))
- {
- if (userProfile.RootFolder != null)
- {
- InventoryItemBase item = userProfile.RootFolder.HasItem(itemID);
- if (item != null)
- {
- remoteClient.SendInventoryItemDetails(ownerID, item);
- }
- }
- }
- }
- private void RequestInventoryForUser(LLUUID userID, CachedUserInfo userInfo)
- {
- m_parent.InventoryService.RequestInventoryForUser(userID, userInfo.FolderReceive, userInfo.ItemReceive);
- }
- }
- }
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