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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;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using Nini.Config;
using log4net;
using OpenSim.Framework;
using OpenSim.Data;
using OpenSim.Services.Interfaces;
using OpenMetaverse;
namespace OpenSim.Services.AssetService
{
public class AssetService : AssetServiceBase, IAssetService
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
protected static AssetService m_RootInstance;
public AssetService(IConfigSource config)
: this(config, "AssetService")
{
}
public AssetService(IConfigSource config, string configName) : base(config, configName)
{
if (m_RootInstance == null)
{
m_RootInstance = this;
if (m_AssetLoader != null)
{
IConfig assetConfig = config.Configs[m_ConfigName];
if (assetConfig == null)
throw new Exception("No " + m_ConfigName + " configuration");
string loaderArgs = assetConfig.GetString("AssetLoaderArgs",
String.Empty);
bool assetLoaderEnabled = assetConfig.GetBoolean("AssetLoaderEnabled", true);
if (assetLoaderEnabled)
{
m_log.DebugFormat("[ASSET SERVICE]: Loading default asset set from {0}", loaderArgs);
m_AssetLoader.ForEachDefaultXmlAsset(
loaderArgs,
delegate(AssetBase a)
{
AssetBase existingAsset = Get(a.ID);
// AssetMetadata existingMetadata = GetMetadata(a.ID);
if (existingAsset == null || Util.SHA1Hash(existingAsset.Data) != Util.SHA1Hash(a.Data))
{
// m_log.DebugFormat("[ASSET]: Storing {0} {1}", a.Name, a.ID);
m_Database.StoreAsset(a);
}
});
}
m_log.Debug("[ASSET SERVICE]: Local asset service enabled");
}
}
}
public virtual AssetBase Get(string id)
{
// m_log.DebugFormat("[ASSET SERVICE]: Get asset for {0}", id);
UUID assetID;
if (!UUID.TryParse(id, out assetID))
{
m_log.WarnFormat("[ASSET SERVICE]: Could not parse requested asset id {0}", id);
return null;
}
try
{
return m_Database.GetAsset(assetID);
}
catch (Exception e)
{
m_log.ErrorFormat("[ASSET SERVICE]: Exception getting asset {0} {1}", assetID, e);
return null;
}
}
public virtual AssetBase GetCached(string id)
{
return Get(id);
}
public virtual AssetMetadata GetMetadata(string id)
{
// m_log.DebugFormat("[ASSET SERVICE]: Get asset metadata for {0}", id);
AssetBase asset = Get(id);
if (asset != null)
return asset.Metadata;
else
return null;
}
public virtual byte[] GetData(string id)
{
// m_log.DebugFormat("[ASSET SERVICE]: Get asset data for {0}", id);
AssetBase asset = Get(id);
if (asset != null)
return asset.Data;
else
return null;
}
public virtual bool Get(string id, Object sender, AssetRetrieved handler)
{
//m_log.DebugFormat("[AssetService]: Get asset async {0}", id);
handler(id, sender, Get(id));
return true;
}
public virtual bool[] AssetsExist(string[] ids)
{
try
{
UUID[] uuid = Array.ConvertAll(ids, id => UUID.Parse(id));
return m_Database.AssetsExist(uuid);
}
catch (Exception e)
{
m_log.Error("[ASSET SERVICE]: Exception getting assets ", e);
return new bool[ids.Length];
}
}
public virtual string Store(AssetBase asset)
{
bool exists = m_Database.AssetsExist(new[] { asset.FullID })[0];
if (!exists)
{
// m_log.DebugFormat(
// "[ASSET SERVICE]: Storing asset {0} {1}, bytes {2}", asset.Name, asset.FullID, asset.Data.Length);
if (!m_Database.StoreAsset(asset))
{
return UUID.Zero.ToString();
}
}
// else
// {
// m_log.DebugFormat(
// "[ASSET SERVICE]: Not storing asset {0} {1}, bytes {2} as it already exists", asset.Name, asset.FullID, asset.Data.Length);
// }
return asset.ID;
}
public bool UpdateContent(string id, byte[] data)
{
return false;
}
public virtual bool Delete(string id)
{
// m_log.DebugFormat("[ASSET SERVICE]: Deleting asset {0}", id);
UUID assetID;
if (!UUID.TryParse(id, out assetID))
return false;
return m_Database.Delete(id);
}
}
}
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