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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 OpenSimulator 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.Collections.Generic;
using System.IO;
using System.Reflection;
using System.Xml;
using log4net;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Framework.Serialization;
namespace OpenSim.Region.CoreModules.World.Archiver
{
/// <summary>
/// Archives assets
/// </summary>
public class AssetsArchiver
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
/// <value>
/// Post a message to the log every x assets as a progress bar
/// </value>
protected static int LOG_ASSET_LOAD_NOTIFICATION_INTERVAL = 100;
/// <value>
/// Keep a count of the number of assets written so that we can provide status updates
/// </value>
protected int m_assetsWritten;
protected TarArchiveWriter m_archiveWriter;
public AssetsArchiver(TarArchiveWriter archiveWriter)
{
m_archiveWriter = archiveWriter;
}
/// <summary>
/// Archive the assets given to this archiver to the given archive.
/// </summary>
/// <param name="archive"></param>
public void WriteAsset(AssetBase asset)
{
//WriteMetadata(archive);
WriteData(asset);
}
/// <summary>
/// Write an assets metadata file to the given archive
/// </summary>
/// <param name="archive"></param>
// protected void WriteMetadata(TarArchiveWriter archive)
// {
// StringWriter sw = new StringWriter();
// XmlTextWriter xtw = new XmlTextWriter(sw);
//
// xtw.Formatting = Formatting.Indented;
// xtw.WriteStartDocument();
//
// xtw.WriteStartElement("assets");
//
// foreach (UUID uuid in m_assets.Keys)
// {
// AssetBase asset = m_assets[uuid];
//
// if (asset != null)
// {
// xtw.WriteStartElement("asset");
//
// string extension = string.Empty;
//
// if (ArchiveConstants.ASSET_TYPE_TO_EXTENSION.ContainsKey(asset.Type))
// {
// extension = ArchiveConstants.ASSET_TYPE_TO_EXTENSION[asset.Type];
// }
//
// xtw.WriteElementString("filename", uuid.ToString() + extension);
//
// xtw.WriteElementString("name", asset.Name);
// xtw.WriteElementString("description", asset.Description);
// xtw.WriteElementString("asset-type", asset.Type.ToString());
//
// xtw.WriteEndElement();
// }
// }
//
// xtw.WriteEndElement();
//
// xtw.WriteEndDocument();
//
// archive.WriteFile("assets.xml", sw.ToString());
// }
/// <summary>
/// Write asset data files to the given archive
/// </summary>
/// <param name="asset"></param>
protected void WriteData(AssetBase asset)
{
// It appears that gtar, at least, doesn't need the intermediate directory entries in the tar
//archive.AddDir("assets");
string extension = string.Empty;
if (ArchiveConstants.ASSET_TYPE_TO_EXTENSION.ContainsKey(asset.Type))
{
extension = ArchiveConstants.ASSET_TYPE_TO_EXTENSION[asset.Type];
}
else
{
m_log.ErrorFormat(
"[ARCHIVER]: Unrecognized asset type {0} with uuid {1}. This asset will be saved but not reloaded",
asset.Type, asset.ID);
}
m_archiveWriter.WriteFile(
ArchiveConstants.ASSETS_PATH + asset.FullID.ToString() + extension,
asset.Data);
m_assetsWritten++;
//m_log.DebugFormat("[ARCHIVER]: Added asset {0}", m_assetsWritten);
if (m_assetsWritten % LOG_ASSET_LOAD_NOTIFICATION_INTERVAL == 0)
m_log.InfoFormat("[ARCHIVER]: Added {0} assets to archive", m_assetsWritten);
}
}
}
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