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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 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.Xml.Serialization;
using OpenMetaverse;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.ApplicationPlugins.Rest.Regions
{
public partial class RestRegionPlugin : RestPlugin
{
#region GET methods
public string GetHandler(string request, string path, string param,
OSHttpRequest httpRequest, OSHttpResponse httpResponse)
{
// foreach (string h in httpRequest.Headers.AllKeys)
// foreach (string v in httpRequest.Headers.GetValues(h))
// m_log.DebugFormat("{0} IsGod: {1} -> {2}", MsgID, h, v);
MsgID = RequestID;
m_log.DebugFormat("{0} GET path {1} param {2}", MsgID, path, param);
try
{
// param empty: regions list
if (String.IsNullOrEmpty(param)) return GetHandlerRegions(httpResponse);
// param not empty: specific region
return GetHandlerRegion(httpResponse, param);
}
catch (Exception e)
{
return Failure(httpResponse, OSHttpStatusCode.ServerErrorInternalError, "GET", e);
}
}
public string GetHandlerRegions(OSHttpResponse httpResponse)
{
RestXmlWriter rxw = new RestXmlWriter(new StringWriter());
rxw.WriteStartElement(String.Empty, "regions", String.Empty);
foreach (Scene s in App.SceneManager.Scenes)
{
rxw.WriteStartElement(String.Empty, "uuid", String.Empty);
rxw.WriteString(s.RegionInfo.RegionID.ToString());
rxw.WriteEndElement();
}
rxw.WriteEndElement();
return rxw.ToString();
}
protected string ShortRegionInfo(string key, string value)
{
RestXmlWriter rxw = new RestXmlWriter(new StringWriter());
if (String.IsNullOrEmpty(value) ||
String.IsNullOrEmpty(key)) return null;
rxw.WriteStartElement(String.Empty, "region", String.Empty);
rxw.WriteStartElement(String.Empty, key, String.Empty);
rxw.WriteString(value);
rxw.WriteEndDocument();
return rxw.ToString();
}
public string GetHandlerRegion(OSHttpResponse httpResponse, string param)
{
// be resilient and don't get confused by a terminating '/'
param = param.TrimEnd(new char[]{'/'});
string[] comps = param.Split('/');
UUID regionID = (UUID)comps[0];
m_log.DebugFormat("{0} GET region UUID {1}", MsgID, regionID.ToString());
if (UUID.Zero == regionID) throw new Exception("missing region ID");
Scene scene = null;
App.SceneManager.TryGetScene(regionID, out scene);
if (null == scene) return Failure(httpResponse, OSHttpStatusCode.ClientErrorNotFound,
"GET", "cannot find region {0}", regionID.ToString());
RegionDetails details = new RegionDetails(scene.RegionInfo);
// m_log.DebugFormat("{0} GET comps {1}", MsgID, comps.Length);
// for (int i = 0; i < comps.Length; i++) m_log.DebugFormat("{0} GET comps[{1}] >{2}<", MsgID, i, comps[i]);
if (1 == comps.Length)
{
// complete region details requested
RestXmlWriter rxw = new RestXmlWriter(new StringWriter());
XmlSerializer xs = new XmlSerializer(typeof(RegionDetails));
xs.Serialize(rxw, details, _xmlNs);
return rxw.ToString();
}
if (2 == comps.Length)
{
string resp = ShortRegionInfo(comps[1], details[comps[1]]);
if (null != resp) return resp;
// m_log.DebugFormat("{0} GET comps advanced: >{1}<", MsgID, comps[1]);
// check for {terrain,stats,prims}
switch (comps[1].ToLower())
{
case "terrain":
return RegionTerrain(httpResponse, scene);
case "stats":
return RegionStats(httpResponse, scene);
case "prims":
return RegionPrims(httpResponse, scene, Vector3.Zero, Vector3.Zero);
}
}
if (3 == comps.Length)
{
switch (comps[1].ToLower())
{
case "prims":
string[] subregion = comps[2].Split(',');
if (subregion.Length == 6)
{
Vector3 min, max;
try
{
min = new Vector3((float)Double.Parse(subregion[0]), (float)Double.Parse(subregion[1]), (float)Double.Parse(subregion[2]));
max = new Vector3((float)Double.Parse(subregion[3]), (float)Double.Parse(subregion[4]), (float)Double.Parse(subregion[5]));
}
catch (Exception)
{
return Failure(httpResponse, OSHttpStatusCode.ClientErrorBadRequest,
"GET", "invalid subregion parameter");
}
return RegionPrims(httpResponse, scene, min, max);
}
else
{
return Failure(httpResponse, OSHttpStatusCode.ClientErrorBadRequest,
"GET", "invalid subregion parameter");
}
}
}
return Failure(httpResponse, OSHttpStatusCode.ClientErrorBadRequest,
"GET", "too many parameters {0}", param);
}
#endregion GET methods
protected string RegionTerrain(OSHttpResponse httpResponse, Scene scene)
{
httpResponse.SendChunked = true;
httpResponse.ContentType = "text/xml";
return scene.Heightmap.SaveToXmlString();
//return Failure(httpResponse, OSHttpStatusCode.ServerErrorNotImplemented,
// "GET", "terrain not implemented");
}
protected string RegionStats(OSHttpResponse httpResponse, Scene scene)
{
int users = scene.GetAvatars().Count;
int objects = scene.Entities.Count - users;
RestXmlWriter rxw = new RestXmlWriter(new StringWriter());
rxw.WriteStartElement(String.Empty, "region", String.Empty);
rxw.WriteStartElement(String.Empty, "stats", String.Empty);
rxw.WriteStartElement(String.Empty, "users", String.Empty);
rxw.WriteString(users.ToString());
rxw.WriteEndElement();
rxw.WriteStartElement(String.Empty, "objects", String.Empty);
rxw.WriteString(objects.ToString());
rxw.WriteEndElement();
rxw.WriteEndDocument();
return rxw.ToString();
}
protected string RegionPrims(OSHttpResponse httpResponse, Scene scene, Vector3 min, Vector3 max)
{
httpResponse.SendChunked = true;
httpResponse.ContentType = "text/xml";
IRegionSerialiserModule serialiser = scene.RequestModuleInterface<IRegionSerialiserModule>();
if (serialiser != null)
serialiser.SavePrimsToXml2(scene, new StreamWriter(httpResponse.OutputStream), min, max);
return "";
}
}
}
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