356 lines
15 KiB
C#
356 lines
15 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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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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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE 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 System.Collections.Generic;
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using System.Diagnostics;
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using OpenMetaverse;
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using OpenSim;
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using OpenSim.Framework;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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using OpenSim.Region.Framework.Scenes.Serialization;
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using OpenSim.Region.Physics.Manager;
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using log4net;
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namespace OpenSim.Region.OptionalModules.ContentManagement
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{
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public class CMModel
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{
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#region Static Fields
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static float TimeToUpdate = 0;
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static float TimeToConvertXml = 0;
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private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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#endregion Static Fields
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#region Fields
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/// <value>
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/// The class that contains all auras and metaentities used in the CMS.
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/// </value>
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CMEntityCollection m_MetaEntityCollection = new CMEntityCollection();
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IContentDatabase m_database = null;
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#endregion Fields
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#region Constructors
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public CMModel()
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{
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}
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#endregion Constructors
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#region Public Properties
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public CMEntityCollection MetaEntityCollection
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{
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get { return m_MetaEntityCollection; }
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}
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#endregion Public Properties
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#region Public Methods
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/// <summary>
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/// Compares the scene's object group list to the list of meta entities. If there is an object group that does not have a corresponding meta entity
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/// it is a new part that must have a green aura (for diff mode).
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/// Returns list of ContentManagementEntities
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/// </summary>
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public ArrayList CheckForNewEntitiesMissingAuras(Scene scene)
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{
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ArrayList missingList = null;
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ArrayList newList = new ArrayList();
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m_log.Debug("[CONTENT MANAGEMENT] Checking for new scene object parts in scene: " + scene.RegionInfo.RegionName);
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//Check if the current scene has groups not included in the current list of MetaEntities
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//If so, then the current scene's parts that are new should be marked green.
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missingList = m_MetaEntityCollection.CheckForMissingEntities(scene.GetEntities());
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foreach (Object missingPart in missingList)
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{
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if (m_MetaEntityCollection.Auras.ContainsKey(((SceneObjectPart)missingPart).UUID))
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continue;
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newList.Add(m_MetaEntityCollection.CreateAuraForNewlyCreatedEntity((SceneObjectPart)missingPart));
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}
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m_log.Info("Number of missing objects found: " + newList.Count);
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return newList;
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}
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/// <summary>
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/// Uses the database to serialize all current scene objects into xml and save into a database with an accompanying log message.
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/// </summary>
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public void CommitRegion(Scene scene, String logMessage)
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{
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m_log.Debug("[CONTENT MANAG] saving " + scene.RegionInfo.RegionName + " with log message: " + logMessage + " length of message: " + logMessage.Length);
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m_database.SaveRegion(scene.RegionInfo.RegionID, scene.RegionInfo.RegionName, logMessage);
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m_log.Debug("[CONTENT MANAG] the region name we are dealing with heeeeeeeere: " + scene.RegionInfo.RegionName);
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}
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public void DeleteAllMetaObjects()
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{
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m_MetaEntityCollection.ClearAll();
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}
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public ContentManagementEntity FindMetaEntityAffectedByUndo(UUID uuid)
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{
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ContentManagementEntity ent = GetMetaGroupByPrim(uuid);
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return ent;
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}
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//-------------------------------- HELPERS --------------------------------------------------------------------//
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public ContentManagementEntity GetMetaGroupByPrim(UUID uuid)
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{
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foreach (Object ent in m_MetaEntityCollection.Entities.Values)
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{
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if (((ContentManagementEntity)ent).HasChildPrim(uuid))
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return (ContentManagementEntity)ent;
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}
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return null;
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}
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public void Initialise(string database)
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{
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if (database == "FileSystemDatabase")
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m_database = new FileSystemDatabase();
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else if (database == "GitDatabase")
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m_database = new GitDatabase();
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}
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public void InitialiseDatabase(Scene scene, string dir)
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{
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m_database.Initialise(scene, dir);
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}
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/// <summary>
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/// Should be called just once to finish initializing the database.
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/// </summary>
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public void PostInitialise()
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{
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m_database.PostInitialise();
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}
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/// <summary>
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/// Removes the green aura when an a new scene object group is deleted.
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/// </summary>
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public void RemoveOrUpdateDeletedEntity(SceneObjectGroup group)
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{
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// Deal with new parts not revisioned that have been deleted.
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foreach (SceneObjectPart part in group.Children.Values)
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if (m_MetaEntityCollection.Auras.ContainsKey(part.UUID))
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m_MetaEntityCollection.RemoveNewlyCreatedEntityAura(part.UUID);
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}
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/// <summary>
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/// Retrieves the latest revision of a region in xml form,
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/// converts it to scene object groups and scene presences,
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/// swaps the current scene's entity list with the revision's list.
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/// Note: Since deleted objects while
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/// </summary>
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public void RollbackRegion(Scene scene)
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{
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System.Collections.ArrayList xmllist = null;
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SceneObjectGroup temp = null;
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System.Collections.Hashtable deleteListUUIDs = new Hashtable();
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// Dictionary<LLUUID, EntityBase> SearchList = new Dictionary<LLUUID,EntityBase>();
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Dictionary<UUID, EntityBase> ReplacementList = new Dictionary<UUID,EntityBase>();
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int revision = m_database.GetMostRecentRevision(scene.RegionInfo.RegionID);
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// EntityBase[] searchArray;
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xmllist = m_database.GetRegionObjectXMLList(scene.RegionInfo.RegionID, revision);
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if (xmllist == null)
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{
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m_log.Info("[CMMODEL]: Region (" + scene.RegionInfo.RegionID + ") does not have given revision number (" + revision + ").");
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return;
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}
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m_log.Info("[CMMODEL]: Region (" + scene.RegionInfo.RegionID + ") revision number (" + revision + ").");
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m_log.Info("[CMMODEL]: Scene Objects = " + xmllist.Count);
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m_log.Info("[CMMODEL]: Converting scene entities list to specified revision.");
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m_log.ErrorFormat("[CMMODEL]: 1");
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foreach (string xml in xmllist)
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{
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try
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{
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temp = SceneObjectSerializer.FromXml2Format(xml);
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temp.SetScene(scene);
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foreach (SceneObjectPart part in temp.Children.Values)
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part.RegionHandle = scene.RegionInfo.RegionHandle;
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ReplacementList.Add(temp.UUID, (EntityBase)temp);
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}
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catch (Exception e)
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{
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m_log.Info("[CMMODEL]: Error while creating replacement list for rollback: " + e);
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}
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}
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//If in scene but not in revision and not a client, remove them
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while (true)
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{
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try
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{
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foreach (EntityBase entity in scene.GetEntities())
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{
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if (entity == null)
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continue;
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if (entity is ScenePresence)
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{
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ReplacementList.Add(entity.UUID, entity);
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continue;
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}
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else //if (!ReplacementList.ContainsKey(entity.UUID))
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deleteListUUIDs.Add(entity.UUID, 0);
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}
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}
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catch(Exception e)
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{
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m_log.ErrorFormat("[CMMODEL]: " + e);
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deleteListUUIDs.Clear();
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ReplacementList.Clear();
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continue;
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}
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break;
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}
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foreach (UUID uuid in deleteListUUIDs.Keys)
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{
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try
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{
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// I thought that the DeleteGroup() function would handle all of this, but it doesn't. I'm not sure WHAT it handles.
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((SceneObjectGroup)scene.Entities[uuid]).DetachFromBackup();
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scene.PhysicsScene.RemovePrim(((SceneObjectGroup)scene.Entities[uuid]).RootPart.PhysActor);
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scene.SendKillObject(scene.Entities[uuid].LocalId);
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scene.SceneGraph.DeleteSceneObject(uuid, false);
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((SceneObjectGroup)scene.Entities[uuid]).DeleteGroup(false);
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}
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catch(Exception e)
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{
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m_log.ErrorFormat("[CMMODEL]: Error while removing objects from scene: " + e);
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}
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}
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lock (scene)
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{
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scene.Entities.Clear();
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foreach (KeyValuePair<UUID,EntityBase> kvp in ReplacementList)
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{
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scene.Entities.Add(kvp.Value);
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}
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}
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foreach (EntityBase ent in ReplacementList.Values)
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{
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try
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{
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if (!(ent is SceneObjectGroup))
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continue;
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if ((((SceneObjectGroup)ent).RootPart.GetEffectiveObjectFlags() & (uint) PrimFlags.Phantom) == 0)
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((SceneObjectGroup)ent).ApplyPhysics(true);
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((SceneObjectGroup)ent).AttachToBackup();
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((SceneObjectGroup)ent).HasGroupChanged = true; // If not true, then attaching to backup does nothing because no change is detected.
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((SceneObjectGroup)ent).ScheduleGroupForUpdate(PrimUpdateFlags.FullUpdate);
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}
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catch(Exception e)
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{
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m_log.ErrorFormat("[CMMODEL]: Error while attaching new scene entities to backup and scheduling for a full update: " + e);
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}
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}
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m_log.Info("[CMMODEL]: Scheduling a backup of new scene object groups to backup.");
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scene.Backup();
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}
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/// <summary>
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/// Downloads the latest revision of the given scene and converts the xml file to CMEntities. After this method, the view can find the differences
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/// and display the differences to clients.
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/// </summary>
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public void UpdateCMEntities(Scene scene)
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{
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Stopwatch x = new Stopwatch();
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x.Start();
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System.Collections.ArrayList xmllist = null;
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m_log.Debug("[CONTENT MANAGEMENT] Retrieving object xml files for region: " + scene.RegionInfo.RegionID);
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xmllist = m_database.GetRegionObjectXMLList(scene.RegionInfo.RegionID);
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m_log.Info("[FSDB]: got list");
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if (xmllist == null)
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return;
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Stopwatch y = new Stopwatch();
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y.Start();
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foreach (string xml in xmllist)
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m_MetaEntityCollection.CreateNewEntity(xml, scene);
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y.Stop();
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TimeToConvertXml += y.ElapsedMilliseconds;
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m_log.Info("[FileSystemDatabase] Time spent converting xml to metaentities for " + scene.RegionInfo.RegionName + ": " + y.ElapsedMilliseconds);
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m_log.Info("[FileSystemDatabase] Time spent converting xml to metaentities so far: " + TimeToConvertXml);
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m_log.Info("[FSDB]: checking for new scene object parts missing green auras and create the auras");
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CheckForNewEntitiesMissingAuras(scene);
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x.Stop();
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TimeToUpdate += x.ElapsedMilliseconds;
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m_log.Info("[FileSystemDatabase] Time spent Updating entity list for " + scene.RegionInfo.RegionName + ": " + x.ElapsedMilliseconds);
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m_log.Info("[FileSystemDatabase] Time spent Updating so far: " + TimeToUpdate);
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}
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/// <summary>
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/// Detects if a scene object group from the scene list has moved or changed scale. The green aura
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/// that surrounds the object is then moved or scaled with the group.
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/// </summary>
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public System.Collections.ArrayList UpdateNormalEntityEffects(SceneObjectGroup group)
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{
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System.Collections.ArrayList auraList = new System.Collections.ArrayList();
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if (group == null)
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return null;
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foreach (SceneObjectPart part in group.Children.Values)
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{
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if (m_MetaEntityCollection.Auras.ContainsKey(part.UUID))
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{
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((AuraMetaEntity)m_MetaEntityCollection.Auras[part.UUID]).SetAura(new Vector3(0,254,0), part.Scale);
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((AuraMetaEntity)m_MetaEntityCollection.Auras[part.UUID]).RootPart.GroupPosition = part.GetWorldPosition();
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auraList.Add((AuraMetaEntity)m_MetaEntityCollection.Auras[part.UUID]);
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}
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}
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return auraList;
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}
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#endregion Public Methods
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}
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}
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