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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.Collections.Generic;
using System.Reflection;
using System.Xml;
using log4net;
using OpenSim.Region.DataSnapshot.Interfaces;
using OpenSim.Region.Environment.Scenes;
using OpenSim.Framework;
using libsecondlife;
namespace OpenSim.Region.DataSnapshot.Providers
{
public class ObjectSnapshot : IDataSnapshotProvider
{
private Scene m_scene = null;
private DataSnapshotManager m_parent = null;
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private bool m_stale = true;
public void Initialize(Scene scene, DataSnapshotManager parent)
{
m_scene = scene;
m_parent = parent;
//To check for staleness, we must catch all incoming client packets.
m_scene.EventManager.OnNewClient += OnNewClient;
m_scene.EventManager.OnParcelPrimCountAdd += delegate(SceneObjectGroup obj) { this.Stale = true; };
}
public void OnNewClient(IClientAPI client)
{
//Detect object data changes by hooking into the IClientAPI.
//Very dirty, and breaks whenever someone changes the client API.
client.OnAddPrim += delegate (LLUUID ownerID, LLVector3 RayEnd, LLQuaternion rot,
PrimitiveBaseShape shape, byte bypassRaycast, LLVector3 RayStart, LLUUID RayTargetID,
byte RayEndIsIntersection) { this.Stale = true; };
client.OnLinkObjects += delegate (IClientAPI remoteClient, uint parent, List<uint> children)
{ this.Stale = true; };
client.OnDelinkObjects += delegate(List<uint> primIds) { this.Stale = true; };
client.OnGrabUpdate += delegate(LLUUID objectID, LLVector3 offset, LLVector3 grapPos,
IClientAPI remoteClient) { this.Stale = true; };
client.OnObjectAttach += delegate(IClientAPI remoteClient, uint objectLocalID, uint AttachmentPt,
LLQuaternion rot) { this.Stale = true; };
client.OnObjectDuplicate += delegate(uint localID, LLVector3 offset, uint dupeFlags, LLUUID AgentID,
LLUUID GroupID) { this.Stale = true; };
client.OnObjectDuplicateOnRay += delegate(uint localID, uint dupeFlags, LLUUID AgentID, LLUUID GroupID,
LLUUID RayTargetObj, LLVector3 RayEnd, LLVector3 RayStart, bool BypassRaycast,
bool RayEndIsIntersection, bool CopyCenters, bool CopyRotates) { this.Stale = true; };
client.OnObjectIncludeInSearch += delegate(IClientAPI remoteClient, bool IncludeInSearch, uint localID)
{ this.Stale = true; };
client.OnObjectPermissions += delegate(IClientAPI controller, LLUUID agentID, LLUUID sessionID,
byte field, uint localId, uint mask, byte set) { this.Stale = true; };
client.OnRezObject += delegate(IClientAPI remoteClient, LLUUID itemID, LLVector3 RayEnd,
LLVector3 RayStart, LLUUID RayTargetID, byte BypassRayCast, bool RayEndIsIntersection,
uint EveryoneMask, uint GroupMask, uint NextOwnerMask, uint ItemFlags, bool RezSelected,
bool RemoveItem, LLUUID fromTaskID) { this.Stale = true; };
}
public Scene GetParentScene
{
get { return m_scene; }
}
public XmlNode RequestSnapshotData(XmlDocument nodeFactory)
{
m_log.Debug("[DATASNAPSHOT]: Generating object data for scene " + m_scene.RegionInfo.RegionName);
XmlNode parent = nodeFactory.CreateNode(XmlNodeType.Element, "objectdata", "");
XmlNode node;
foreach (EntityBase entity in m_scene.Entities.Values)
{
// only objects, not avatars
if (entity is SceneObjectGroup)
{
SceneObjectGroup obj = (SceneObjectGroup)entity;
m_log.Debug("[DATASNAPSHOT]: Found object " + obj.Name + " in scene");
if ((obj.RootPart.Flags & LLObject.ObjectFlags.JointWheel) == LLObject.ObjectFlags.JointWheel) {
XmlNode xmlobject = nodeFactory.CreateNode(XmlNodeType.Element, "object", "");
node = nodeFactory.CreateNode(XmlNodeType.Element, "uuid", "");
node.InnerText = obj.UUID.ToString();
xmlobject.AppendChild(node);
SceneObjectPart m_rootPart = null;
try
{
Type sog = typeof(SceneObjectGroup);
FieldInfo rootField = sog.GetField("m_rootPart", BindingFlags.NonPublic | BindingFlags.Instance);
if (rootField != null)
{
m_rootPart = (SceneObjectPart)rootField.GetValue(obj);
}
}
catch (Exception e)
{
Console.WriteLine("[DATASNAPSHOT] couldn't access field reflectively\n" + e.ToString());
}
if (m_rootPart != null)
{
node = nodeFactory.CreateNode(XmlNodeType.Element, "title", "");
node.InnerText = m_rootPart.Name;
xmlobject.AppendChild(node);
node = nodeFactory.CreateNode(XmlNodeType.Element, "description", "");
node.InnerText = m_rootPart.Description;
xmlobject.AppendChild(node);
node = nodeFactory.CreateNode(XmlNodeType.Element, "flags", "");
node.InnerText = String.Format("{0:x}", m_rootPart.ObjectFlags);
xmlobject.AppendChild(node);
}
parent.AppendChild(xmlobject);
}
}
}
this.Stale = false;
return parent;
}
public String Name
{
get { return "ObjectSnapshot"; }
}
public bool Stale
{
get
{
return m_stale;
}
set
{
m_stale = value;
if (m_stale)
OnStale(this);
}
}
public event ProviderStale OnStale;
}
}
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