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Added OpenSim asset frontend plugin.

0.6.3-post-fixes
Mike Mazur 2009-02-16 02:25:36 +00:00
parent 8d30472551
commit 617016fa68
5 changed files with 320 additions and 52 deletions
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10
OpenSim/Grid/AssetInventoryServer/AssetInventoryServer.cs
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@ -55,6 +55,8 @@ namespace OpenSim.Grid.AssetInventoryServer
public IAuthorizationProvider AuthorizationProvider;
public IMetricsProvider MetricsProvider;
private IAssetInventoryServerPlugin frontend;
public AssetInventoryServer()
{
this.ServiceName = "OpenSimAssetInventoryServer";
@ -138,7 +140,7 @@ namespace OpenSim.Grid.AssetInventoryServer
// return false;
//}
StorageProvider = LoadAssetInventoryServerPlugin() as IAssetStorageProvider;
StorageProvider = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/StorageProvider") as IAssetStorageProvider;
try
{
@ -151,6 +153,8 @@ namespace OpenSim.Grid.AssetInventoryServer
return false;
}
frontend = LoadAssetInventoryServerPlugin("/OpenSim/AssetInventoryServer/Frontend");
// Start all of the extensions
//foreach (IExtension<AssetServer> extension in ExtensionLoader<AssetServer>.Extensions)
//{
@ -215,13 +219,13 @@ namespace OpenSim.Grid.AssetInventoryServer
#endregion
private IAssetInventoryServerPlugin LoadAssetInventoryServerPlugin()
private IAssetInventoryServerPlugin LoadAssetInventoryServerPlugin(string addinPath)
{
PluginLoader<IAssetInventoryServerPlugin> loader = new PluginLoader<IAssetInventoryServerPlugin>(new AssetInventoryServerPluginInitialiser(this));
//loader.Add ("/OpenSim/AssetInventoryServer/StorageProvider", new PluginProviderFilter (provider));
//loader.Add("/OpenSim/AssetInventoryServer/StorageProvider", new PluginCountConstraint(1));
loader.Add("/OpenSim/AssetInventoryServer/StorageProvider");
loader.Add(addinPath);
loader.Load();
return loader.Plugin;

240
OpenSim/Grid/AssetInventoryServer/Plugins/OpenSim/OpenSimAssetFrontendPlugin.cs Normal file
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@ -0,0 +1,240 @@
/*
* Copyright (c) 2008 Intel Corporation
* All rights reserved.
* 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 Intel Corporation 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``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 INTEL OR ITS
* 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.Net;
using System.IO;
using System.Xml;
using ExtensionLoader;
using OpenMetaverse;
using HttpServer;
using OpenSim.Framework;
namespace OpenSim.Grid.AssetInventoryServer.Plugins
{
public class OpenSimAssetFrontendPlugin : IAssetInventoryServerPlugin
{
AssetInventoryServer server;
public OpenSimAssetFrontendPlugin()
{
}
#region IPlugin implementation
public void Initialise(AssetInventoryServer server)
{
this.server = server;
// Asset request
server.HttpServer.AddHandler("get", null, @"^/assets/", AssetRequestHandler);
// Asset creation
server.HttpServer.AddHandler("post", null, @"^/assets/", AssetPostHandler);
}
/// <summary>
/// <para>Initialises asset interface</para>
/// </summary>
public void Initialise()
{
Logger.Log.InfoFormat("[ASSET]: {0} cannot be default-initialized!", Name);
throw new PluginNotInitialisedException(Name);
}
public void Dispose()
{
}
public string Version
{
// TODO: this should be something meaningful and not hardcoded?
get { return "0.1"; }
}
public string Name
{
get { return "AssetInventoryServer OpenSim asset frontend"; }
}
#endregion IPlugin implementation
bool AssetRequestHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response)
{
UUID assetID;
// Split the URL up to get the asset ID out
string[] rawUrl = request.Uri.PathAndQuery.Split('/');
if (rawUrl.Length >= 3 && rawUrl[2].Length >= 36 && UUID.TryParse(rawUrl[2].Substring(0, 36), out assetID))
{
Metadata metadata;
byte[] assetData;
BackendResponse dataResponse;
if ((dataResponse = server.StorageProvider.TryFetchDataMetadata(assetID, out metadata, out assetData)) == BackendResponse.Success)
{
MemoryStream stream = new MemoryStream();
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
XmlWriter writer = XmlWriter.Create(stream, settings);
writer.WriteStartDocument();
writer.WriteStartElement("AssetBase");
writer.WriteAttributeString("xmlns", "xsi", null, "http://www.w3.org/2001/XMLSchema-instance");
writer.WriteAttributeString("xmlns", "xsd", null, "http://www.w3.org/2001/XMLSchema");
writer.WriteStartElement("FullID");
writer.WriteStartElement("Guid");
writer.WriteString(assetID.ToString());
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteStartElement("ID");
writer.WriteString(assetID.ToString());
writer.WriteEndElement();
writer.WriteStartElement("Data");
writer.WriteBase64(assetData, 0, assetData.Length);
writer.WriteEndElement();
writer.WriteStartElement("Type");
writer.WriteValue(Utils.ContentTypeToSLAssetType(metadata.ContentType));
writer.WriteEndElement();
writer.WriteStartElement("Name");
writer.WriteString(metadata.Name);
writer.WriteEndElement();
writer.WriteStartElement("Description");
writer.WriteString(metadata.Description);
writer.WriteEndElement();
writer.WriteStartElement("Local");
writer.WriteValue(false);
writer.WriteEndElement();
writer.WriteStartElement("Temporary");
writer.WriteValue(metadata.Temporary);
writer.WriteEndElement();
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Flush();
byte[] buffer = stream.GetBuffer();
response.Status = HttpStatusCode.OK;
response.ContentType = "application/xml";
response.ContentLength = stream.Length;
response.Body.Write(buffer, 0, (int)stream.Length);
response.Body.Flush();
}
else
{
Logger.Log.WarnFormat("Failed to fetch asset data or metadata for {0}: {1}", assetID, dataResponse);
response.Status = HttpStatusCode.NotFound;
}
}
else
{
Logger.Log.Warn("Unrecognized OpenSim asset request: " + request.Uri.PathAndQuery);
}
return true;
}
bool AssetPostHandler(IHttpClientContext client, IHttpRequest request, IHttpResponse response)
{
byte[] assetData = null;
Metadata metadata = new Metadata();
Logger.Log.Debug("Handling OpenSim asset upload");
try
{
using (XmlReader reader = XmlReader.Create(request.Body))
{
reader.MoveToContent();
reader.ReadStartElement("AssetBase");
reader.ReadStartElement("FullID");
UUID.TryParse(reader.ReadElementContentAsString("Guid", String.Empty), out metadata.ID);
reader.ReadEndElement();
reader.ReadStartElement("ID");
reader.Skip();
reader.ReadEndElement();
// HACK: Broken on Mono. https://bugzilla.novell.com/show_bug.cgi?id=464229
//int readBytes = 0;
//byte[] buffer = new byte[1024];
//MemoryStream stream = new MemoryStream();
//BinaryWriter writer = new BinaryWriter(stream);
//while ((readBytes = reader.ReadElementContentAsBase64(buffer, 0, buffer.Length)) > 0)
// writer.Write(buffer, 0, readBytes);
//writer.Flush();
//assetData = stream.GetBuffer();
//Array.Resize<byte>(ref assetData, (int)stream.Length);
assetData = Convert.FromBase64String(reader.ReadElementContentAsString());
int type;
Int32.TryParse(reader.ReadElementContentAsString("Type", String.Empty), out type);
metadata.ContentType = Utils.SLAssetTypeToContentType(type);
metadata.Name = reader.ReadElementContentAsString("Name", String.Empty);
metadata.Description = reader.ReadElementContentAsString("Description", String.Empty);
Boolean.TryParse(reader.ReadElementContentAsString("Local", String.Empty), out metadata.Temporary);
Boolean.TryParse(reader.ReadElementContentAsString("Temporary", String.Empty), out metadata.Temporary);
reader.ReadEndElement();
}
if (assetData != null && assetData.Length > 0)
{
metadata.SHA1 = OpenMetaverse.Utils.SHA1(assetData);
metadata.CreationDate = DateTime.Now;
BackendResponse storageResponse = server.StorageProvider.TryCreateAsset(metadata, assetData);
if (storageResponse == BackendResponse.Success)
response.Status = HttpStatusCode.Created;
else if (storageResponse == BackendResponse.NotFound)
response.Status = HttpStatusCode.NotFound;
else
response.Status = HttpStatusCode.InternalServerError;
}
else
{
Logger.Log.Warn("AssetPostHandler called with no asset data");
response.Status = HttpStatusCode.BadRequest;
}
}
catch (Exception ex)
{
Logger.Log.Warn("Failed to parse POST data (expecting AssetBase): " + ex.Message);
response.Status = HttpStatusCode.BadRequest;
}
Logger.Log.Debug("Finished handling OpenSim asset upload, Status: " + response.Status.ToString());
return true;
}
}
}

98
OpenSim/Grid/AssetInventoryServer/Plugins/OpenSim/OpenSimAssetStoragePlugin.cs
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@ -142,50 +142,68 @@ namespace OpenSim.Grid.AssetInventoryServer.Plugins
{
metadata = null;
assetData = null;
BackendResponse ret;
//BackendResponse ret;
using (MySqlConnection dbConnection = new MySqlConnection(DBConnString.GetConnectionString(server.ConfigFile)))
AssetBase asset_base = m_assetProvider.FetchAsset(assetID);
if (asset_base != null)
{
IDataReader reader;
metadata = new Metadata();
metadata.CreationDate = OpenMetaverse.Utils.Epoch;
metadata.SHA1 = null;
metadata.Name = asset_base.Name;
metadata.Description = asset_base.Description;
metadata.ContentType = Utils.SLAssetTypeToContentType(asset_base.Type);
metadata.Temporary = asset_base.Temporary;
try
{
dbConnection.Open();
IDbCommand command = dbConnection.CreateCommand();
command.CommandText = String.Format("SELECT name,description,assetType,temporary,data FROM assets WHERE id='{0}'", assetID.ToString());
reader = command.ExecuteReader();
if (reader.Read())
{
metadata = new Metadata();
metadata.CreationDate = OpenMetaverse.Utils.Epoch;
metadata.SHA1 = null;
metadata.ID = assetID;
metadata.Name = reader.GetString(0);
metadata.Description = reader.GetString(1);
metadata.ContentType = Utils.SLAssetTypeToContentType(reader.GetInt32(2));
metadata.Temporary = reader.GetBoolean(3);
assetData = (byte[])reader.GetValue(4);
ret = BackendResponse.Success;
}
else
{
ret = BackendResponse.NotFound;
}
}
catch (MySqlException ex)
{
Logger.Log.Error("Connection to MySQL backend failed: " + ex.Message);
ret = BackendResponse.Failure;
}
assetData = asset_base.Data;
}
else return BackendResponse.NotFound;
server.MetricsProvider.LogAssetMetadataFetch(EXTENSION_NAME, ret, assetID, DateTime.Now);
server.MetricsProvider.LogAssetDataFetch(EXTENSION_NAME, ret, assetID, (assetData != null ? assetData.Length : 0), DateTime.Now);
return ret;
return BackendResponse.Success;
//using (MySqlConnection dbConnection = new MySqlConnection(DBConnString.GetConnectionString(server.ConfigFile)))
//{
// IDataReader reader;
// try
// {
// dbConnection.Open();
// IDbCommand command = dbConnection.CreateCommand();
// command.CommandText = String.Format("SELECT name,description,assetType,temporary,data FROM assets WHERE id='{0}'", assetID.ToString());
// reader = command.ExecuteReader();
// if (reader.Read())
// {
// metadata = new Metadata();
// metadata.CreationDate = OpenMetaverse.Utils.Epoch;
// metadata.SHA1 = null;
// metadata.ID = assetID;
// metadata.Name = reader.GetString(0);
// metadata.Description = reader.GetString(1);
// metadata.ContentType = Utils.SLAssetTypeToContentType(reader.GetInt32(2));
// metadata.Temporary = reader.GetBoolean(3);
// assetData = (byte[])reader.GetValue(4);
// ret = BackendResponse.Success;
// }
// else
// {
// ret = BackendResponse.NotFound;
// }
// }
// catch (MySqlException ex)
// {
// Logger.Log.Error("Connection to MySQL backend failed: " + ex.Message);
// ret = BackendResponse.Failure;
// }
//}
//server.MetricsProvider.LogAssetMetadataFetch(EXTENSION_NAME, ret, assetID, DateTime.Now);
//server.MetricsProvider.LogAssetDataFetch(EXTENSION_NAME, ret, assetID, (assetData != null ? assetData.Length : 0), DateTime.Now);
//return ret;
}
public BackendResponse TryCreateAsset(Metadata metadata, byte[] assetData, out UUID assetID)
@ -332,7 +350,7 @@ namespace OpenSim.Grid.AssetInventoryServer.Plugins
public string Name
{
get { return "AssetInventoryServer storage provider"; }
get { return "AssetInventoryServer OpenSim asset storage provider"; }
}
#endregion IPlugin implementation

7
OpenSim/Grid/AssetInventoryServer/Plugins/OpenSim/Resources/AssetInventoryServerOpenSimPlugins.addin.xml
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@ -1,14 +1,17 @@
<Addin id="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim" version="0.1">
<Runtime>
<Import assembly="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll"/>
<Import assembly="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll" />
</Runtime>
<Dependencies>
<Addin id="OpenSim.Grid.AssetInventoryServer" version="0.1" />
</Dependencies>
<ExtensionPoint path = "/OpenSim/AssetData">
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Framework.IAssetProviderPlugin"/>
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Framework.IAssetProviderPlugin" />
</ExtensionPoint>
<Extension path="/OpenSim/AssetInventoryServer/StorageProvider">
<Plugin id="OpenSimAssetStorage" provider="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSimAssetStoragePlugin" />
</Extension>
<Extension path="/OpenSim/AssetInventoryServer/Frontend">
<Plugin id="OpenSimAssetFrontend" provider="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim.dll" type="OpenSim.Grid.AssetInventoryServer.Plugins.OpenSimAssetFrontendPlugin" />
</Extension>
</Addin>

17
bin/OpenSim.Grid.AssetInventoryServer.addin.xml
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@ -1,21 +1,24 @@
<Addin id="OpenSim.Grid.AssetInventoryServer" isroot="true" version="0.1">
<Runtime>
<Import assembly="OpenSim.Grid.AssetInventoryServer.exe"/>
<Import assembly="OpenSim.Framework.dll"/>
<Import assembly="OpenSim.Grid.AssetInventoryServer.exe" />
<Import assembly="OpenSim.Framework.dll" />
</Runtime>
<ExtensionPoint path="/OpenSim/AssetInventoryServer/Frontend">
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IAssetInventoryServerPlugin" />
</ExtensionPoint>
<ExtensionPoint path="/OpenSim/AssetInventoryServer/StorageProvider">
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IAssetStorageProvider"/>
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IAssetStorageProvider" />
</ExtensionPoint>
<ExtensionPoint path="/OpenSim/AssetInventoryServer/InventoryProvider">
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IInventoryProvider"/>
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IInventoryProvider" />
</ExtensionPoint>
<ExtensionPoint path="/OpenSim/AssetInventoryServer/AuthenticationProvider">
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IAuthenticationProvider"/>
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IAuthenticationProvider" />
</ExtensionPoint>
<ExtensionPoint path="/OpenSim/AssetInventoryServer/AuthorizationProvider">
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IAuthorizationProvider"/>
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IAuthorizationProvider" />
</ExtensionPoint>
<ExtensionPoint path="/OpenSim/AssetInventoryServer/MetricsProvider">
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IMetricsProvider"/>
<ExtensionNode name="Plugin" type="OpenSim.Framework.PluginExtensionNode" objectType="OpenSim.Grid.AssetInventoryServer.IMetricsProvider" />
</ExtensionPoint>
</Addin>