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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 Nini.Config;
using log4net;
using System;
using System.Reflection;
using System.IO;
using System.Net;
using System.Text;
using System.Text.RegularExpressions;
using System.Xml;
using System.Xml.Serialization;
using System.Collections.Generic;
using OpenSim.Server.Base;
using OpenSim.Services.Interfaces;
using GridRegion = OpenSim.Services.Interfaces.GridRegion;
using OpenSim.Framework;
using OpenSim.Framework.Servers.HttpServer;
using OpenMetaverse;
namespace OpenSim.Server.Handlers.Grid
{
public class GridServerPostHandler : BaseStreamHandler
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private IGridService m_GridService;
public GridServerPostHandler(IGridService service) :
base("POST", "/grid")
{
m_GridService = service;
}
public override byte[] Handle(string path, Stream requestData,
OSHttpRequest httpRequest, OSHttpResponse httpResponse)
{
StreamReader sr = new StreamReader(requestData);
string body = sr.ReadToEnd();
sr.Close();
body = body.Trim();
Dictionary<string, string> request =
ServerUtils.ParseQueryString(body);
if (!request.ContainsKey("METHOD"))
return FailureResult();
string method = request["METHOD"];
switch (method)
{
case "register":
return Register(request);
case "deregister":
return Deregister(request);
case "get_neighbours":
return GetNeighbours(request);
case "get_region_by_uuid":
return GetRegionByUUID(request);
case "get_region_by_position":
return GetRegionByPosition(request);
case "get_region_by_name":
return GetRegionByName(request);
case "get_regions_by_name":
return GetRegionsByName(request);
case "get_region_range":
return GetRegionRange(request);
}
m_log.DebugFormat("[GRID HANDLER XXX]: unknown method {0} request {1}", method.Length, method);
return FailureResult();
}
#region Method-specific handlers
byte[] Register(Dictionary<string, string> request)
{
UUID scopeID = UUID.Zero;
if (request["SCOPEID"] != null)
UUID.TryParse(request["SCOPEID"], out scopeID);
else
m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to register region");
Dictionary<string, object> rinfoData = new Dictionary<string, object>();
foreach (KeyValuePair<string, string> kvp in request)
rinfoData[kvp.Key] = kvp.Value;
GridRegion rinfo = new GridRegion(rinfoData);
bool result = m_GridService.RegisterRegion(scopeID, rinfo);
if (result)
return SuccessResult();
else
return FailureResult();
}
byte[] Deregister(Dictionary<string, string> request)
{
UUID regionID = UUID.Zero;
if (request["REGIONID"] != null)
UUID.TryParse(request["REGIONID"], out regionID);
else
m_log.WarnFormat("[GRID HANDLER]: no regionID in request to deregister region");
bool result = m_GridService.DeregisterRegion(regionID);
if (result)
return SuccessResult();
else
return FailureResult();
}
byte[] GetNeighbours(Dictionary<string, string> request)
{
UUID scopeID = UUID.Zero;
if (request["SCOPEID"] != null)
UUID.TryParse(request["SCOPEID"], out scopeID);
else
m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get neighbours");
UUID regionID = UUID.Zero;
if (request["REGIONID"] != null)
UUID.TryParse(request["REGIONID"], out regionID);
else
m_log.WarnFormat("[GRID HANDLER]: no regionID in request to get neighbours");
List<GridRegion> rinfos = m_GridService.GetNeighbours(scopeID, regionID);
//m_log.DebugFormat("[GRID HANDLER]: neighbours for region {0}: {1}", regionID, rinfos.Count);
Dictionary<string, object> result = new Dictionary<string, object>();
int i = 0;
foreach (GridRegion rinfo in rinfos)
{
Dictionary<string, object> rinfoDict = rinfo.ToKeyValuePairs();
result["region" + i] = rinfoDict;
i++;
}
string xmlString = ServerUtils.BuildXmlResponse(result);
//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
UTF8Encoding encoding = new UTF8Encoding();
return encoding.GetBytes(xmlString);
}
byte[] GetRegionByUUID(Dictionary<string, string> request)
{
// TODO
return new byte[0];
}
byte[] GetRegionByPosition(Dictionary<string, string> request)
{
// TODO
return new byte[0];
}
byte[] GetRegionByName(Dictionary<string, string> request)
{
// TODO
return new byte[0];
}
byte[] GetRegionsByName(Dictionary<string, string> request)
{
// TODO
return new byte[0];
}
byte[] GetRegionRange(Dictionary<string, string> request)
{
// TODO
return new byte[0];
}
#endregion
#region Misc
private byte[] SuccessResult()
{
XmlDocument doc = new XmlDocument();
XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
"", "");
doc.AppendChild(xmlnode);
XmlElement rootElement = doc.CreateElement("", "ServerResponse",
"");
doc.AppendChild(rootElement);
XmlElement result = doc.CreateElement("", "Result", "");
result.AppendChild(doc.CreateTextNode("Success"));
rootElement.AppendChild(result);
return DocToBytes(doc);
}
private byte[] FailureResult()
{
XmlDocument doc = new XmlDocument();
XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
"", "");
doc.AppendChild(xmlnode);
XmlElement rootElement = doc.CreateElement("", "ServerResponse",
"");
doc.AppendChild(rootElement);
XmlElement result = doc.CreateElement("", "Result", "");
result.AppendChild(doc.CreateTextNode("Failure"));
rootElement.AppendChild(result);
return DocToBytes(doc);
}
private byte[] DocToBytes(XmlDocument doc)
{
MemoryStream ms = new MemoryStream();
XmlTextWriter xw = new XmlTextWriter(ms, null);
xw.Formatting = Formatting.Indented;
doc.WriteTo(xw);
xw.Flush();
return ms.GetBuffer();
}
#endregion
}
}
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