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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.IO;
using System.Reflection;
using log4net;
using System.Xml.Serialization;
namespace OpenSim.Framework.Communications.Cache
{
public class FileAssetClient : AssetServerBase
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
#region IPlugin
public override string Name
{
get { return "File"; }
}
public override string Version
{
get { return "1.0"; }
}
public override void Initialise(ConfigSettings p_set, string p_url)
{
m_log.Debug("[FILEASSET] Plugin configured initialisation");
Initialise(p_url);
}
#endregion
private string m_dir;
private readonly XmlSerializer m_xs = new XmlSerializer(typeof(AssetBase));
public FileAssetClient() {}
public FileAssetClient(string p_url)
{
m_log.Debug("[FILEASSET] Direct constructor");
Initialise(p_url);
}
public void Initialise(string dir)
{
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
}
m_dir = dir;
}
public override void StoreAsset(AssetBase asset)
{
byte[] idBytes = asset.Metadata.FullID.Guid.ToByteArray();
string cdir = m_dir + Path.DirectorySeparatorChar + idBytes[0]
+ Path.DirectorySeparatorChar + idBytes[1];
if (!Directory.Exists(m_dir + Path.DirectorySeparatorChar + idBytes[0]))
Directory.CreateDirectory(m_dir + Path.DirectorySeparatorChar + idBytes[0]);
if (!Directory.Exists(cdir))
Directory.CreateDirectory(cdir);
FileStream x = new FileStream(cdir + Path.DirectorySeparatorChar + asset.Metadata.FullID + ".xml", FileMode.Create);
m_xs.Serialize(x, asset);
x.Flush();
x.Close();
}
public override void UpdateAsset(AssetBase asset)
{
StoreAsset(asset);
}
protected override AssetBase GetAsset(AssetRequest req)
{
byte[] idBytes = req.AssetID.Guid.ToByteArray();
string cdir = m_dir + Path.DirectorySeparatorChar + idBytes[0]
+ Path.DirectorySeparatorChar + idBytes[1];
if (File.Exists(cdir + Path.DirectorySeparatorChar + req.AssetID + ".xml"))
{
FileStream x = File.OpenRead(cdir + Path.DirectorySeparatorChar + req.AssetID + ".xml");
AssetBase ret = (AssetBase) m_xs.Deserialize(x);
x.Close();
return ret;
}
return null;
}
}
}
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