opensim-development – Rev 1
?pathlinks?
/*
* 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.Threading;
using System.Collections;
using System.Collections.Generic;
using System.Security.Policy;
using System.Reflection;
using System.Globalization;
using System.Xml;
using OpenMetaverse;
using log4net;
using Nini.Config;
using Amib.Threading;
using OpenSim.Framework;
using OpenSim.Region.CoreModules;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.ScriptEngine.Shared;
using OpenSim.Region.ScriptEngine.Shared.Api;
using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
using OpenSim.Region.ScriptEngine.Shared.CodeTools;
using OpenSim.Region.ScriptEngine.Interfaces;
namespace OpenSim.Region.ScriptEngine.Shared.Instance
{
public class ScriptSerializer
{
public static string Serialize(ScriptInstance instance)
{
bool running = instance.Running;
XmlDocument xmldoc = new XmlDocument();
XmlNode xmlnode = xmldoc.CreateNode(XmlNodeType.XmlDeclaration,
"", "");
xmldoc.AppendChild(xmlnode);
XmlElement rootElement = xmldoc.CreateElement("", "ScriptState",
"");
xmldoc.AppendChild(rootElement);
XmlElement state = xmldoc.CreateElement("", "State", "");
state.AppendChild(xmldoc.CreateTextNode(instance.State));
rootElement.AppendChild(state);
XmlElement run = xmldoc.CreateElement("", "Running", "");
run.AppendChild(xmldoc.CreateTextNode(
running.ToString()));
rootElement.AppendChild(run);
Dictionary<string, Object> vars = instance.GetVars();
XmlElement variables = xmldoc.CreateElement("", "Variables", "");
foreach (KeyValuePair<string, Object> var in vars)
WriteTypedValue(xmldoc, variables, "Variable", var.Key,
var.Value);
rootElement.AppendChild(variables);
XmlElement queue = xmldoc.CreateElement("", "Queue", "");
int count = instance.EventQueue.Count;
while (count > 0)
{
EventParams ep = (EventParams)instance.EventQueue.Dequeue();
instance.EventQueue.Enqueue(ep);
count--;
XmlElement item = xmldoc.CreateElement("", "Item", "");
XmlAttribute itemEvent = xmldoc.CreateAttribute("", "event",
"");
itemEvent.Value = ep.EventName;
item.Attributes.Append(itemEvent);
XmlElement parms = xmldoc.CreateElement("", "Params", "");
foreach (Object o in ep.Params)
WriteTypedValue(xmldoc, parms, "Param", String.Empty, o);
item.AppendChild(parms);
XmlElement detect = xmldoc.CreateElement("", "Detected", "");
foreach (DetectParams det in ep.DetectParams)
{
XmlElement objectElem = xmldoc.CreateElement("", "Object",
"");
XmlAttribute pos = xmldoc.CreateAttribute("", "pos", "");
pos.Value = det.OffsetPos.ToString();
objectElem.Attributes.Append(pos);
XmlAttribute d_linkNum = xmldoc.CreateAttribute("",
"linkNum", "");
d_linkNum.Value = det.LinkNum.ToString();
objectElem.Attributes.Append(d_linkNum);
XmlAttribute d_group = xmldoc.CreateAttribute("",
"group", "");
d_group.Value = det.Group.ToString();
objectElem.Attributes.Append(d_group);
XmlAttribute d_name = xmldoc.CreateAttribute("",
"name", "");
d_name.Value = det.Name.ToString();
objectElem.Attributes.Append(d_name);
XmlAttribute d_owner = xmldoc.CreateAttribute("",
"owner", "");
d_owner.Value = det.Owner.ToString();
objectElem.Attributes.Append(d_owner);
XmlAttribute d_position = xmldoc.CreateAttribute("",
"position", "");
d_position.Value = det.Position.ToString();
objectElem.Attributes.Append(d_position);
XmlAttribute d_rotation = xmldoc.CreateAttribute("",
"rotation", "");
d_rotation.Value = det.Rotation.ToString();
objectElem.Attributes.Append(d_rotation);
XmlAttribute d_type = xmldoc.CreateAttribute("",
"type", "");
d_type.Value = det.Type.ToString();
objectElem.Attributes.Append(d_type);
XmlAttribute d_velocity = xmldoc.CreateAttribute("",
"velocity", "");
d_velocity.Value = det.Velocity.ToString();
objectElem.Attributes.Append(d_velocity);
objectElem.AppendChild(
xmldoc.CreateTextNode(det.Key.ToString()));
detect.AppendChild(objectElem);
}
item.AppendChild(detect);
queue.AppendChild(item);
}
rootElement.AppendChild(queue);
XmlNode plugins = xmldoc.CreateElement("", "Plugins", "");
DumpList(xmldoc, plugins,
new LSL_Types.list(instance.PluginData));
rootElement.AppendChild(plugins);
if (instance.ScriptTask != null)
{
if (instance.ScriptTask.PermsMask != 0 && instance.ScriptTask.PermsGranter != UUID.Zero)
{
XmlNode permissions = xmldoc.CreateElement("", "Permissions", "");
XmlAttribute granter = xmldoc.CreateAttribute("", "granter", "");
granter.Value = instance.ScriptTask.PermsGranter.ToString();
permissions.Attributes.Append(granter);
XmlAttribute mask = xmldoc.CreateAttribute("", "mask", "");
mask.Value = instance.ScriptTask.PermsMask.ToString();
permissions.Attributes.Append(mask);
rootElement.AppendChild(permissions);
}
}
if (instance.MinEventDelay > 0.0)
{
XmlElement eventDelay = xmldoc.CreateElement("", "MinEventDelay", "");
eventDelay.AppendChild(xmldoc.CreateTextNode(instance.MinEventDelay.ToString()));
rootElement.AppendChild(eventDelay);
}
return xmldoc.InnerXml;
}
public static void Deserialize(string xml, ScriptInstance instance)
{
XmlDocument doc = new XmlDocument();
Dictionary<string, object> vars = instance.GetVars();
instance.PluginData = new Object[0];
doc.LoadXml(xml);
XmlNodeList rootL = doc.GetElementsByTagName("ScriptState");
if (rootL.Count != 1)
{
return;
}
XmlNode rootNode = rootL[0];
if (rootNode != null)
{
object varValue;
XmlNodeList partL = rootNode.ChildNodes;
foreach (XmlNode part in partL)
{
switch (part.Name)
{
case "State":
instance.State=part.InnerText;
break;
case "Running":
instance.Running=bool.Parse(part.InnerText);
break;
case "Variables":
XmlNodeList varL = part.ChildNodes;
foreach (XmlNode var in varL)
{
string varName;
varValue=ReadTypedValue(var, out varName);
if (vars.ContainsKey(varName))
vars[varName] = varValue;
}
instance.SetVars(vars);
break;
case "Queue":
XmlNodeList itemL = part.ChildNodes;
foreach (XmlNode item in itemL)
{
List<Object> parms = new List<Object>();
List<DetectParams> detected =
new List<DetectParams>();
string eventName =
item.Attributes.GetNamedItem("event").Value;
XmlNodeList eventL = item.ChildNodes;
foreach (XmlNode evt in eventL)
{
switch (evt.Name)
{
case "Params":
XmlNodeList prms = evt.ChildNodes;
foreach (XmlNode pm in prms)
parms.Add(ReadTypedValue(pm));
break;
case "Detected":
XmlNodeList detL = evt.ChildNodes;
foreach (XmlNode det in detL)
{
string vect =
det.Attributes.GetNamedItem(
"pos").Value;
LSL_Types.Vector3 v =
new LSL_Types.Vector3(vect);
int d_linkNum=0;
UUID d_group = UUID.Zero;
string d_name = String.Empty;
UUID d_owner = UUID.Zero;
LSL_Types.Vector3 d_position =
new LSL_Types.Vector3();
LSL_Types.Quaternion d_rotation =
new LSL_Types.Quaternion();
int d_type = 0;
LSL_Types.Vector3 d_velocity =
new LSL_Types.Vector3();
try
{
string tmp;
tmp = det.Attributes.GetNamedItem(
"linkNum").Value;
int.TryParse(tmp, out d_linkNum);
tmp = det.Attributes.GetNamedItem(
"group").Value;
UUID.TryParse(tmp, out d_group);
d_name = det.Attributes.GetNamedItem(
"name").Value;
tmp = det.Attributes.GetNamedItem(
"owner").Value;
UUID.TryParse(tmp, out d_owner);
tmp = det.Attributes.GetNamedItem(
"position").Value;
d_position =
new LSL_Types.Vector3(tmp);
tmp = det.Attributes.GetNamedItem(
"rotation").Value;
d_rotation =
new LSL_Types.Quaternion(tmp);
tmp = det.Attributes.GetNamedItem(
"type").Value;
int.TryParse(tmp, out d_type);
tmp = det.Attributes.GetNamedItem(
"velocity").Value;
d_velocity =
new LSL_Types.Vector3(tmp);
}
catch (Exception) // Old version XML
{
}
UUID uuid = new UUID();
UUID.TryParse(det.InnerText,
out uuid);
DetectParams d = new DetectParams();
d.Key = uuid;
d.OffsetPos = v;
d.LinkNum = d_linkNum;
d.Group = d_group;
d.Name = d_name;
d.Owner = d_owner;
d.Position = d_position;
d.Rotation = d_rotation;
d.Type = d_type;
d.Velocity = d_velocity;
detected.Add(d);
}
break;
}
}
EventParams ep = new EventParams(
eventName, parms.ToArray(),
detected.ToArray());
instance.EventQueue.Enqueue(ep);
}
break;
case "Plugins":
instance.PluginData = ReadList(part).Data;
break;
case "Permissions":
string tmpPerm;
int mask = 0;
tmpPerm = part.Attributes.GetNamedItem("mask").Value;
if (tmpPerm != null)
{
int.TryParse(tmpPerm, out mask);
if (mask != 0)
{
tmpPerm = part.Attributes.GetNamedItem("granter").Value;
if (tmpPerm != null)
{
UUID granter = new UUID();
UUID.TryParse(tmpPerm, out granter);
if (granter != UUID.Zero)
{
instance.ScriptTask.PermsMask = mask;
instance.ScriptTask.PermsGranter = granter;
}
}
}
}
break;
case "MinEventDelay":
double minEventDelay = 0.0;
double.TryParse(part.InnerText, NumberStyles.Float, Culture.NumberFormatInfo, out minEventDelay);
instance.MinEventDelay = minEventDelay;
break;
}
}
}
}
private static void DumpList(XmlDocument doc, XmlNode parent,
LSL_Types.list l)
{
foreach (Object o in l.Data)
WriteTypedValue(doc, parent, "ListItem", "", o);
}
private static LSL_Types.list ReadList(XmlNode parent)
{
List<Object> olist = new List<Object>();
XmlNodeList itemL = parent.ChildNodes;
foreach (XmlNode item in itemL)
olist.Add(ReadTypedValue(item));
return new LSL_Types.list(olist.ToArray());
}
private static void WriteTypedValue(XmlDocument doc, XmlNode parent,
string tag, string name, object value)
{
Type t=value.GetType();
XmlAttribute typ = doc.CreateAttribute("", "type", "");
XmlNode n = doc.CreateElement("", tag, "");
if (value is LSL_Types.list)
{
typ.Value = "list";
n.Attributes.Append(typ);
DumpList(doc, n, (LSL_Types.list) value);
if (name != String.Empty)
{
XmlAttribute nam = doc.CreateAttribute("", "name", "");
nam.Value = name;
n.Attributes.Append(nam);
}
parent.AppendChild(n);
return;
}
n.AppendChild(doc.CreateTextNode(value.ToString()));
typ.Value = t.ToString();
n.Attributes.Append(typ);
if (name != String.Empty)
{
XmlAttribute nam = doc.CreateAttribute("", "name", "");
nam.Value = name;
n.Attributes.Append(nam);
}
parent.AppendChild(n);
}
private static object ReadTypedValue(XmlNode tag, out string name)
{
name = tag.Attributes.GetNamedItem("name").Value;
return ReadTypedValue(tag);
}
private static object ReadTypedValue(XmlNode tag)
{
Object varValue;
string assembly;
string itemType = tag.Attributes.GetNamedItem("type").Value;
if (itemType == "list")
return ReadList(tag);
if (itemType == "OpenMetaverse.UUID")
{
UUID val = new UUID();
UUID.TryParse(tag.InnerText, out val);
return val;
}
Type itemT = Type.GetType(itemType);
if (itemT == null)
{
Object[] args =
new Object[] { tag.InnerText };
assembly = itemType+", OpenSim.Region.ScriptEngine.Shared";
itemT = Type.GetType(assembly);
if (itemT == null)
return null;
varValue = Activator.CreateInstance(itemT, args);
if (varValue == null)
return null;
}
else
{
varValue = Convert.ChangeType(tag.InnerText, itemT);
}
return varValue;
}
}
}