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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 System;
using System.IO;
using System.Reflection;
using System.Text;
using System.Xml;
using System.Xml.Serialization;
using libsecondlife;
using log4net;
using OpenSim.Framework;
using OpenSim.Framework.Servers;
namespace OpenSim.Grid.InventoryServer
{
public class InventoryManager
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private IInventoryData _databasePlugin;
/// <summary>
/// Adds a new inventory server plugin - user servers will be requested in the order they were loaded.
/// </summary>
/// <param name="FileName">The filename to the inventory server plugin DLL</param>
public void AddDatabasePlugin(string FileName, string dbconnect)
{
m_log.Info("[" + OpenInventory_Main.LogName + "]: Invenstorage: Attempting to load " + FileName);
Assembly pluginAssembly = Assembly.LoadFrom(FileName);
m_log.Info("[" + OpenInventory_Main.LogName + "]: " +
"Invenstorage: Found " + pluginAssembly.GetTypes().Length + " interfaces.");
foreach (Type pluginType in pluginAssembly.GetTypes())
{
if (!pluginType.IsAbstract)
{
Type typeInterface = pluginType.GetInterface("IInventoryData", true);
if (typeInterface != null)
{
IInventoryData plug =
(IInventoryData) Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
plug.Initialise(dbconnect);
_databasePlugin = plug;
m_log.Info("[" + OpenInventory_Main.LogName + "]: " +
"Invenstorage: Added IInventoryData Interface");
break;
}
}
}
}
protected static SerializableInventory loadInventoryFromXmlFile(string fileName)
{
FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
XmlReader reader = new XmlTextReader(fs);
XmlSerializer x = new XmlSerializer(typeof (SerializableInventory));
SerializableInventory inventory = (SerializableInventory) x.Deserialize(reader);
fs.Close();
fs.Dispose();
return inventory;
}
protected static void saveInventoryToStream(SerializableInventory inventory, Stream s)
{
XmlTextWriter writer = new XmlTextWriter(s, Encoding.UTF8);
writer.Formatting = Formatting.Indented;
XmlSerializer x = new XmlSerializer(typeof (SerializableInventory));
x.Serialize(writer, inventory);
}
protected static bool fixupFolder(SerializableInventory.SerializableFolder f,
SerializableInventory.SerializableFolder parent)
{
bool modified = false;
// ensure we have a valid folder id
if (f.ID == LLUUID.Zero)
{
f.ID = LLUUID.Random();
modified = true;
}
// ensure we have valid agent id
if (f.Owner == LLUUID.Zero)
{
if (parent != null)
f.Owner = parent.Owner;
else
f.Owner = f.ID;
modified = true;
}
if (f.ParentID == LLUUID.Zero && parent != null)
{
f.ParentID = parent.ID;
modified = true;
}
foreach (SerializableInventory.SerializableFolder child in f.SubFolders)
{
modified |= fixupFolder(child, f);
}
return modified;
}
protected static bool fixupInventory(SerializableInventory inventory)
{
return fixupFolder(inventory.root, null);
}
#region Nested type: GetInventory
public class GetInventory : BaseStreamHandler
{
private readonly SerializableInventory _inventory;
private readonly InventoryManager _manager;
public GetInventory(InventoryManager manager)
: base("GET", "/inventory")
{
_manager = manager;
_inventory = loadInventoryFromXmlFile("attic/inventory/Inventory_Library.xml");
if (fixupInventory(_inventory))
{
FileStream fs = new FileStream("attic/inventory/Inventory_Library.xml", FileMode.Truncate, FileAccess.Write);
saveInventoryToStream(_inventory, fs);
fs.Flush();
fs.Close();
m_log.Debug("[" + OpenInventory_Main.LogName + "]: Modified");
}
}
private void CreateDefaultInventory(LLUUID userID)
{
}
private byte[] GetUserInventory(LLUUID userID)
{
m_log.InfoFormat("[" + OpenInventory_Main.LogName + "]: Getting Inventory for user {0}", userID.ToString());
byte[] result = new byte[] {};
InventoryFolderBase fb = _manager._databasePlugin.getUserRootFolder(userID);
if (fb == null)
{
m_log.InfoFormat("[" + OpenInventory_Main.LogName + "]: Inventory not found for user {0}, creating new",
userID.ToString());
CreateDefaultInventory(userID);
}
return result;
}
public override byte[] Handle(string path, Stream request)
{
byte[] result = new byte[] {};
string[] parms = path.Split(new[] {'/'}, StringSplitOptions.RemoveEmptyEntries);
if (parms.Length > 1)
{
if (string.Compare(parms[1], "library", true) == 0)
{
MemoryStream ms = new MemoryStream();
saveInventoryToStream(_inventory, ms);
result = ms.GetBuffer();
Array.Resize(ref result, (int) ms.Length);
}
else if (string.Compare(parms[1], "user", true) == 0)
{
if (parms.Length > 2)
{
result = GetUserInventory(new LLUUID(parms[2]));
}
}
}
return result;
}
}
#endregion
}
}
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