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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 OpenSim.Framework;
using OpenSim.Framework.Communications.Cache;
using OpenSim.Region.Environment.Interfaces;
using OpenSim.Region.Environment.Modules.World.Serialiser;
using OpenSim.Region.Environment.Scenes;
using System.Collections.Generic;
using System.Reflection;
using System.Threading;
using libsecondlife;
using log4net;
using Nini.Config;
namespace OpenSim.Region.Environment.Modules.World.Archiver
{
/// <summary>
/// Prepare to write out an archive.
/// </summary>
public class ArchiveWriteRequestPreparation
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected Scene m_scene;
protected string m_savePath;
public ArchiveWriteRequestPreparation(Scene scene, string savePath)
{
m_scene = scene;
m_savePath = savePath;
}
public void ArchiveRegion()
{
Dictionary<LLUUID, int> assetUuids = new Dictionary<LLUUID, int>();
List<EntityBase> entities = m_scene.GetEntities();
foreach (EntityBase entity in entities)
{
if (entity is SceneObjectGroup)
{
SceneObjectGroup sceneObject = (SceneObjectGroup)entity;
foreach (SceneObjectPart part in sceneObject.GetParts())
{
// XXX: Not a great way to iterate through face textures, but there's no
// other way to tell how many faces there actually are
//int i = 0;
foreach (LLObject.TextureEntryFace texture in part.Shape.Textures.FaceTextures)
{
if (texture != null)
{
//m_log.DebugFormat("[ARCHIVER]: Got face {0}", i++);
assetUuids[texture.TextureID] = 1;
}
}
foreach (TaskInventoryItem tit in part.TaskInventory.Values)
{
if (tit.Type != (int)InventoryType.Object)
{
m_log.DebugFormat("[ARCHIVER]: Recording asset {0} in object {1}", tit.AssetID, part.UUID);
assetUuids[tit.AssetID] = 1;
}
else
{
// TODO: Need to unpack every tit and go through its textures & items, recursively
// this will mean going through the 'assets' received multiple times so that we can
// unpack objects within objects before recursively requesting the inner assets
}
}
}
}
}
string serializedEntities = SerializeObjects(entities);
if (serializedEntities != null && serializedEntities.Length > 0)
{
m_log.DebugFormat("[ARCHIVER]: Successfully got serialization for {0} entities", entities.Count);
m_log.DebugFormat("[ARCHIVER]: Requiring save of {0} textures", assetUuids.Count);
// Asynchronously request all the assets required to perform this archive operation
ArchiveWriteRequestExecution awre = new ArchiveWriteRequestExecution(serializedEntities, m_savePath);
new AssetsRequest(assetUuids.Keys, m_scene.AssetCache, awre.ReceivedAllAssets).Execute();
}
}
/// <summary>
/// Get an xml representation of the given scene objects.
/// </summary>
/// <param name="scene"></param>
/// <returns></returns>
protected static string SerializeObjects(List<EntityBase> entities)
{
string serialization = "<scene>";
List<string> serObjects = new List<string>();
foreach (EntityBase ent in entities)
{
if (ent is SceneObjectGroup)
{
serObjects.Add(((SceneObjectGroup) ent).ToXmlString2());
}
}
foreach (string serObject in serObjects)
serialization += serObject;
serialization += "</scene>";
return serialization;
}
}
}
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