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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 log4net;
using Nini.Config;
using System;
using System.Collections.Generic;
using System.Reflection;
using OpenSim.Framework;
using OpenSim.Services.Interfaces;
using OpenSim.Services.Connectors;
namespace OpenSim.Services.AssetService
{
public class HGAssetService : IAssetService
{
private static readonly ILog m_log =
LogManager.GetLogger(
MethodBase.GetCurrentMethod().DeclaringType);
private Dictionary<string, AssetServicesConnector> m_connectors = new Dictionary<string, AssetServicesConnector>();
public HGAssetService(IConfigSource source)
{
IConfig moduleConfig = source.Configs["Modules"];
if (moduleConfig != null)
{
// string name = moduleConfig.GetString("AssetServices", "");
IConfig assetConfig = source.Configs["AssetService"];
if (assetConfig == null)
{
m_log.Error("[HG ASSET SERVICE]: AssetService missing from OpanSim.ini");
return;
}
m_log.Info("[HG ASSET SERVICE]: HG asset service enabled");
}
}
private bool StringToUrlAndAssetID(string id, out string url, out string assetID)
{
url = String.Empty;
assetID = String.Empty;
Uri assetUri;
if (Uri.TryCreate(id, UriKind.Absolute, out assetUri) &&
assetUri.Scheme == Uri.UriSchemeHttp)
{
url = "http://" + assetUri.Authority;
assetID = assetUri.LocalPath.Trim(new char[] {'/'});
return true;
}
return false;
}
private IAssetService GetConnector(string url)
{
AssetServicesConnector connector = null;
lock (m_connectors)
{
if (m_connectors.ContainsKey(url))
{
connector = m_connectors[url];
}
else
{
// We're instantiating this class explicitly, but this won't
// work in general, because the remote grid may be running
// an asset server that has a different protocol.
// Eventually we will want a piece of protocol asking
// the remote server about its kind. Definitely cool thing to do!
connector = new AssetServicesConnector(url);
m_connectors.Add(url, connector);
}
}
return connector;
}
public AssetBase Get(string id)
{
string url = string.Empty;
string assetID = string.Empty;
if (StringToUrlAndAssetID(id, out url, out assetID))
{
IAssetService connector = GetConnector(url);
return connector.Get(assetID);
}
return null;
}
public AssetMetadata GetMetadata(string id)
{
string url = string.Empty;
string assetID = string.Empty;
if (StringToUrlAndAssetID(id, out url, out assetID))
{
IAssetService connector = GetConnector(url);
return connector.GetMetadata(assetID);
}
return null;
}
public byte[] GetData(string id)
{
return null;
}
public bool Get(string id, Object sender, AssetRetrieved handler)
{
string url = string.Empty;
string assetID = string.Empty;
if (StringToUrlAndAssetID(id, out url, out assetID))
{
IAssetService connector = GetConnector(url);
return connector.Get(assetID, sender, handler);
}
return false;
}
public string Store(AssetBase asset)
{
string url = string.Empty;
string assetID = string.Empty;
if (StringToUrlAndAssetID(asset.ID, out url, out assetID))
{
IAssetService connector = GetConnector(url);
// Restore the assetID to a simple UUID
asset.ID = assetID;
return connector.Store(asset);
}
return String.Empty;
}
public bool UpdateContent(string id, byte[] data)
{
return false;
}
public bool Delete(string id)
{
return false;
}
}
}
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