Thanks Tommil for a patch that adds a caching option to GetAssetStreamHandler. It is used in the RegionAssetService.

0.6.5-rc1
diva 2009-04-27 15:23:18 +00:00
parent 36a02441c5
commit 81bc38708a
2 changed files with 235 additions and 5 deletions

View File

@ -0,0 +1,217 @@
/*
* 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.IO;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;
using System.Xml;
using System.Xml.Serialization;
using log4net;
using OpenMetaverse;
using OpenSim.Data;
using OpenSim.Framework;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Statistics;
using System.Net;
namespace OpenSim.Framework.Servers
{
public class CachedGetAssetStreamHandler : BaseStreamHandler
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
// private OpenAsset_Main m_assetManager;
private IAssetCache m_assetProvider;
/// <summary>
/// Constructor.
/// </summary>
/// <param name="assetManager"></param>
/// <param name="assetProvider"></param>
public CachedGetAssetStreamHandler(IAssetCache assetProvider)
: base("GET", "/assets")
{
m_log.Info("[REST]: In Get Request");
// m_assetManager = assetManager;
m_assetProvider = assetProvider;
}
public override byte[] Handle(string path, Stream request,
OSHttpRequest httpRequest, OSHttpResponse httpResponse)
{
string param = GetParam(path);
byte[] result = new byte[] { };
string[] p = param.Split(new char[] { '/', '?', '&' }, StringSplitOptions.RemoveEmptyEntries);
if (p.Length > 0)
{
UUID assetID = UUID.Zero;
if (!UUID.TryParse(p[0], out assetID))
{
m_log.InfoFormat(
"[REST]: GET:/asset ignoring request with malformed UUID {0}", p[0]);
return result;
}
if (StatsManager.AssetStats != null)
StatsManager.AssetStats.AddRequest();
AssetBase asset = m_assetProvider.GetAsset(assetID,true); // TODO IsTexture should be deduced from loaded asset. It is not used in this case.
if (asset != null)
{
// if (asset.ContainsReferences)
// {
// asset.Data = ProcessOutgoingAssetData(asset.Data);
// }
if (p.Length > 1 && p[1] == "data")
{
httpResponse.StatusCode = (int)HttpStatusCode.OK;
httpResponse.ContentType = SLAssetTypeToContentType(asset.Type);
result = asset.Data;
}
else
{
XmlSerializer xs = new XmlSerializer(typeof(AssetBase));
MemoryStream ms = new MemoryStream();
XmlTextWriter xw = new XmlTextWriter(ms, Encoding.UTF8);
xw.Formatting = Formatting.Indented;
xs.Serialize(xw, asset);
xw.Flush();
ms.Seek(0, SeekOrigin.Begin);
//StreamReader sr = new StreamReader(ms);
result = ms.GetBuffer();
Array.Resize<byte>(ref result, (int)ms.Length);
}
}
else
{
if (StatsManager.AssetStats != null)
StatsManager.AssetStats.AddNotFoundRequest();
m_log.InfoFormat("[REST]: GET:/asset failed to find {0}", assetID);
}
}
return result;
}
// private byte[] ProcessOutgoingAssetData(byte[] assetData)
// {
// string data = Encoding.ASCII.GetString(assetData);
// data = ProcessAssetDataString(data);
// return Encoding.ASCII.GetBytes(data);
// }
public string ProcessAssetDataString(string data)
{
Regex regex = new Regex("(creator_id|owner_id)\\s+(\\S+)");
// IUserService userService = null;
data = regex.Replace(data, delegate(Match m)
{
string result = String.Empty;
// string key = m.Groups[1].Captures[0].Value;
//
// string value = m.Groups[2].Captures[0].Value;
//
// Guid userUri;
//
// switch (key)
// {
// case "creator_id":
// userUri = new Guid(value);
// // result = "creator_url " + userService(userService, userUri);
// break;
//
// case "owner_id":
// userUri = new Guid(value);
// // result = "owner_url " + ResolveUserUri(userService, userUri);
// break;
// }
return result;
});
return data;
}
private string SLAssetTypeToContentType(int assetType)
{
switch (assetType)
{
case 0:
return "image/jp2";
case 1:
return "application/ogg";
case 2:
return "application/x-metaverse-callingcard";
case 3:
return "application/x-metaverse-landmark";
case 5:
return "application/x-metaverse-clothing";
case 6:
return "application/x-metaverse-primitive";
case 7:
return "application/x-metaverse-notecard";
case 8:
return "application/x-metaverse-folder";
case 10:
return "application/x-metaverse-lsl";
case 11:
return "application/x-metaverse-lso";
case 12:
return "image/tga";
case 13:
return "application/x-metaverse-bodypart";
case 17:
return "audio/x-wav";
case 19:
return "image/jpeg";
case 20:
return "application/x-metaverse-animation";
case 21:
return "application/x-metaverse-gesture";
case 22:
return "application/x-metaverse-simstate";
default:
return "application/octet-stream";
}
}
}
}

View File

@ -46,6 +46,7 @@ namespace OpenSim.Region.CoreModules.Framework.Services
private static bool initialized = false;
private static bool enabled = false;
private bool m_gridMode = false;
Scene m_scene;
#region IRegionModule interface
@ -61,6 +62,7 @@ namespace OpenSim.Region.CoreModules.Framework.Services
enabled = ((!config.Configs["Startup"].GetBoolean("gridmode", true)) &&
config.Configs["Startup"].GetBoolean("hypergrid", true)) ||
((config.Configs["MXP"] != null) && config.Configs["MXP"].GetBoolean("Enabled", true));
m_gridMode = config.Configs["Startup"].GetBoolean("gridmode", true);
}
}
@ -70,7 +72,7 @@ namespace OpenSim.Region.CoreModules.Framework.Services
{
m_log.Info("[RegionAssetService]: Starting...");
new AssetService(m_scene);
new AssetService(m_scene,m_gridMode);
}
}
@ -96,6 +98,7 @@ namespace OpenSim.Region.CoreModules.Framework.Services
{
// private IUserService m_userService;
private bool m_doLookup = false;
private bool m_gridMode = false;
public bool DoLookup
{
@ -105,8 +108,9 @@ namespace OpenSim.Region.CoreModules.Framework.Services
// private static readonly ILog m_log
// = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public AssetService(Scene m_scene)
public AssetService(Scene m_scene, bool gridMode)
{
m_gridMode = gridMode;
AddHttpHandlers(m_scene);
// m_userService = m_scene.CommsManager.UserService;
}
@ -117,7 +121,16 @@ namespace OpenSim.Region.CoreModules.Framework.Services
= ((AssetServerBase)m_scene.CommsManager.AssetCache.AssetServer).AssetProviderPlugin;
IHttpServer httpServer = m_scene.CommsManager.HttpServer;
httpServer.AddStreamHandler(new GetAssetStreamHandler(m_assetProvider));
if (m_gridMode)
{
httpServer.AddStreamHandler(new CachedGetAssetStreamHandler(m_scene.CommsManager.AssetCache));
}
else
{
httpServer.AddStreamHandler(new GetAssetStreamHandler(m_assetProvider));
}
httpServer.AddStreamHandler(new PostAssetStreamHandler(m_assetProvider));
}