618 lines
24 KiB
C#
618 lines
24 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using Nini.Config;
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using log4net;
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using System;
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using System.Reflection;
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using System.IO;
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using System.Net;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Xml;
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using System.Xml.Serialization;
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using System.Collections.Generic;
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using OpenSim.Server.Base;
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using OpenSim.Services.Interfaces;
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using GridRegion = OpenSim.Services.Interfaces.GridRegion;
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using OpenSim.Framework;
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using OpenSim.Framework.Servers.HttpServer;
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using OpenMetaverse;
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namespace OpenSim.Server.Handlers.Grid
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{
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public class GridServerPostHandler : BaseStreamHandler
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private IGridService m_GridService;
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public GridServerPostHandler(IGridService service) :
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base("POST", "/grid")
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{
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m_GridService = service;
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}
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public override byte[] Handle(string path, Stream requestData,
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OSHttpRequest httpRequest, OSHttpResponse httpResponse)
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{
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StreamReader sr = new StreamReader(requestData);
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string body = sr.ReadToEnd();
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sr.Close();
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body = body.Trim();
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//m_log.DebugFormat("[XXX]: query String: {0}", body);
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try
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{
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Dictionary<string, object> request =
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ServerUtils.ParseQueryString(body);
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if (!request.ContainsKey("METHOD"))
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return FailureResult();
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string method = request["METHOD"].ToString();
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switch (method)
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{
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case "register":
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return Register(request);
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case "deregister":
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return Deregister(request);
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case "get_neighbours":
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return GetNeighbours(request);
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case "get_region_by_uuid":
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return GetRegionByUUID(request);
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case "get_region_by_position":
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return GetRegionByPosition(request);
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case "get_region_by_name":
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return GetRegionByName(request);
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case "get_regions_by_name":
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return GetRegionsByName(request);
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case "get_region_range":
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return GetRegionRange(request);
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case "get_default_regions":
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return GetDefaultRegions(request);
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case "get_fallback_regions":
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return GetFallbackRegions(request);
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case "get_hyperlinks":
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return GetHyperlinks(request);
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case "get_region_flags":
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return GetRegionFlags(request);
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}
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m_log.DebugFormat("[GRID HANDLER]: unknown method {0} request {1}", method.Length, method);
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}
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catch (Exception e)
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{
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m_log.DebugFormat("[GRID HANDLER]: Exception {0}", e);
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}
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return FailureResult();
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}
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#region Method-specific handlers
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byte[] Register(Dictionary<string, object> request)
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{
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UUID scopeID = UUID.Zero;
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if (request.ContainsKey("SCOPEID"))
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UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to register region");
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int versionNumberMin = 0, versionNumberMax = 0;
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if (request.ContainsKey("VERSIONMIN"))
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Int32.TryParse(request["VERSIONMIN"].ToString(), out versionNumberMin);
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else
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m_log.WarnFormat("[GRID HANDLER]: no minimum protocol version in request to register region");
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if (request.ContainsKey("VERSIONMAX"))
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Int32.TryParse(request["VERSIONMAX"].ToString(), out versionNumberMax);
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else
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m_log.WarnFormat("[GRID HANDLER]: no maximum protocol version in request to register region");
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// Check the protocol version
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if ((versionNumberMin > ProtocolVersions.ServerProtocolVersionMax && versionNumberMax < ProtocolVersions.ServerProtocolVersionMax))
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{
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// Can't do, there is no overlap in the acceptable ranges
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return FailureResult();
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}
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Dictionary<string, object> rinfoData = new Dictionary<string, object>();
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GridRegion rinfo = null;
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try
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{
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foreach (KeyValuePair<string, object> kvp in request)
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rinfoData[kvp.Key] = kvp.Value.ToString();
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rinfo = new GridRegion(rinfoData);
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}
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catch (Exception e)
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{
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m_log.DebugFormat("[GRID HANDLER]: exception unpacking region data: {0}", e);
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}
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string result = "Error communicating with grid service";
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if (rinfo != null)
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result = m_GridService.RegisterRegion(scopeID, rinfo);
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if (result == String.Empty)
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return SuccessResult();
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else
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return FailureResult(result);
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}
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byte[] Deregister(Dictionary<string, object> request)
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{
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UUID regionID = UUID.Zero;
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if (request.ContainsKey("REGIONID"))
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UUID.TryParse(request["REGIONID"].ToString(), out regionID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no regionID in request to deregister region");
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bool result = m_GridService.DeregisterRegion(regionID);
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if (result)
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return SuccessResult();
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else
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return FailureResult();
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}
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byte[] GetNeighbours(Dictionary<string, object> request)
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{
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UUID scopeID = UUID.Zero;
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if (request.ContainsKey("SCOPEID"))
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UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get neighbours");
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UUID regionID = UUID.Zero;
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if (request.ContainsKey("REGIONID"))
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UUID.TryParse(request["REGIONID"].ToString(), out regionID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no regionID in request to get neighbours");
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List<GridRegion> rinfos = m_GridService.GetNeighbours(scopeID, regionID);
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//m_log.DebugFormat("[GRID HANDLER]: neighbours for region {0}: {1}", regionID, rinfos.Count);
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Dictionary<string, object> result = new Dictionary<string, object>();
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if ((rinfos == null) || ((rinfos != null) && (rinfos.Count == 0)))
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result["result"] = "null";
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else
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{
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int i = 0;
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foreach (GridRegion rinfo in rinfos)
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{
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Dictionary<string, object> rinfoDict = rinfo.ToKeyValuePairs();
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result["region" + i] = rinfoDict;
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i++;
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}
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}
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string xmlString = ServerUtils.BuildXmlResponse(result);
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//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
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UTF8Encoding encoding = new UTF8Encoding();
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return encoding.GetBytes(xmlString);
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}
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byte[] GetRegionByUUID(Dictionary<string, object> request)
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{
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UUID scopeID = UUID.Zero;
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if (request.ContainsKey("SCOPEID"))
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UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get neighbours");
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UUID regionID = UUID.Zero;
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if (request.ContainsKey("REGIONID"))
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UUID.TryParse(request["REGIONID"].ToString(), out regionID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no regionID in request to get neighbours");
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GridRegion rinfo = m_GridService.GetRegionByUUID(scopeID, regionID);
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//m_log.DebugFormat("[GRID HANDLER]: neighbours for region {0}: {1}", regionID, rinfos.Count);
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Dictionary<string, object> result = new Dictionary<string, object>();
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if (rinfo == null)
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result["result"] = "null";
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else
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result["result"] = rinfo.ToKeyValuePairs();
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string xmlString = ServerUtils.BuildXmlResponse(result);
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//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
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UTF8Encoding encoding = new UTF8Encoding();
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return encoding.GetBytes(xmlString);
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}
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byte[] GetRegionByPosition(Dictionary<string, object> request)
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{
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UUID scopeID = UUID.Zero;
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if (request.ContainsKey("SCOPEID"))
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UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get region by position");
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int x = 0, y = 0;
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if (request.ContainsKey("X"))
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Int32.TryParse(request["X"].ToString(), out x);
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else
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m_log.WarnFormat("[GRID HANDLER]: no X in request to get region by position");
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if (request.ContainsKey("Y"))
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Int32.TryParse(request["Y"].ToString(), out y);
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else
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m_log.WarnFormat("[GRID HANDLER]: no Y in request to get region by position");
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GridRegion rinfo = m_GridService.GetRegionByPosition(scopeID, x, y);
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//m_log.DebugFormat("[GRID HANDLER]: neighbours for region {0}: {1}", regionID, rinfos.Count);
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Dictionary<string, object> result = new Dictionary<string, object>();
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if (rinfo == null)
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result["result"] = "null";
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else
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result["result"] = rinfo.ToKeyValuePairs();
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string xmlString = ServerUtils.BuildXmlResponse(result);
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//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
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UTF8Encoding encoding = new UTF8Encoding();
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return encoding.GetBytes(xmlString);
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}
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byte[] GetRegionByName(Dictionary<string, object> request)
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{
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UUID scopeID = UUID.Zero;
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if (request.ContainsKey("SCOPEID"))
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UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get region by name");
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string regionName = string.Empty;
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if (request.ContainsKey("NAME"))
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regionName = request["NAME"].ToString();
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else
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m_log.WarnFormat("[GRID HANDLER]: no name in request to get region by name");
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GridRegion rinfo = m_GridService.GetRegionByName(scopeID, regionName);
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//m_log.DebugFormat("[GRID HANDLER]: neighbours for region {0}: {1}", regionID, rinfos.Count);
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Dictionary<string, object> result = new Dictionary<string, object>();
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if (rinfo == null)
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result["result"] = "null";
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else
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result["result"] = rinfo.ToKeyValuePairs();
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string xmlString = ServerUtils.BuildXmlResponse(result);
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//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
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UTF8Encoding encoding = new UTF8Encoding();
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return encoding.GetBytes(xmlString);
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}
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byte[] GetRegionsByName(Dictionary<string, object> request)
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{
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UUID scopeID = UUID.Zero;
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if (request.ContainsKey("SCOPEID"))
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UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get regions by name");
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string regionName = string.Empty;
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if (request.ContainsKey("NAME"))
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regionName = request["NAME"].ToString();
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else
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m_log.WarnFormat("[GRID HANDLER]: no NAME in request to get regions by name");
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int max = 0;
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if (request.ContainsKey("MAX"))
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Int32.TryParse(request["MAX"].ToString(), out max);
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else
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m_log.WarnFormat("[GRID HANDLER]: no MAX in request to get regions by name");
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List<GridRegion> rinfos = m_GridService.GetRegionsByName(scopeID, regionName, max);
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//m_log.DebugFormat("[GRID HANDLER]: neighbours for region {0}: {1}", regionID, rinfos.Count);
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Dictionary<string, object> result = new Dictionary<string, object>();
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if ((rinfos == null) || ((rinfos != null) && (rinfos.Count == 0)))
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result["result"] = "null";
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else
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{
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int i = 0;
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foreach (GridRegion rinfo in rinfos)
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{
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Dictionary<string, object> rinfoDict = rinfo.ToKeyValuePairs();
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result["region" + i] = rinfoDict;
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i++;
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}
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}
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string xmlString = ServerUtils.BuildXmlResponse(result);
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//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
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UTF8Encoding encoding = new UTF8Encoding();
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return encoding.GetBytes(xmlString);
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}
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byte[] GetRegionRange(Dictionary<string, object> request)
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{
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//m_log.DebugFormat("[GRID HANDLER]: GetRegionRange");
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UUID scopeID = UUID.Zero;
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if (request.ContainsKey("SCOPEID"))
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UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get region range");
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int xmin = 0, xmax = 0, ymin = 0, ymax = 0;
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if (request.ContainsKey("XMIN"))
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Int32.TryParse(request["XMIN"].ToString(), out xmin);
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else
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m_log.WarnFormat("[GRID HANDLER]: no XMIN in request to get region range");
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if (request.ContainsKey("XMAX"))
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Int32.TryParse(request["XMAX"].ToString(), out xmax);
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else
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m_log.WarnFormat("[GRID HANDLER]: no XMAX in request to get region range");
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if (request.ContainsKey("YMIN"))
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Int32.TryParse(request["YMIN"].ToString(), out ymin);
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else
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m_log.WarnFormat("[GRID HANDLER]: no YMIN in request to get region range");
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if (request.ContainsKey("YMAX"))
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Int32.TryParse(request["YMAX"].ToString(), out ymax);
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else
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m_log.WarnFormat("[GRID HANDLER]: no YMAX in request to get region range");
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List<GridRegion> rinfos = m_GridService.GetRegionRange(scopeID, xmin, xmax, ymin, ymax);
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Dictionary<string, object> result = new Dictionary<string, object>();
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if ((rinfos == null) || ((rinfos != null) && (rinfos.Count == 0)))
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result["result"] = "null";
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else
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{
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int i = 0;
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foreach (GridRegion rinfo in rinfos)
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{
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Dictionary<string, object> rinfoDict = rinfo.ToKeyValuePairs();
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result["region" + i] = rinfoDict;
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i++;
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}
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}
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string xmlString = ServerUtils.BuildXmlResponse(result);
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//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
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UTF8Encoding encoding = new UTF8Encoding();
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return encoding.GetBytes(xmlString);
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}
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byte[] GetDefaultRegions(Dictionary<string, object> request)
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{
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//m_log.DebugFormat("[GRID HANDLER]: GetDefaultRegions");
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UUID scopeID = UUID.Zero;
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if (request.ContainsKey("SCOPEID"))
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UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get region range");
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List<GridRegion> rinfos = m_GridService.GetDefaultRegions(scopeID);
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Dictionary<string, object> result = new Dictionary<string, object>();
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if ((rinfos == null) || ((rinfos != null) && (rinfos.Count == 0)))
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result["result"] = "null";
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else
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{
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int i = 0;
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foreach (GridRegion rinfo in rinfos)
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{
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Dictionary<string, object> rinfoDict = rinfo.ToKeyValuePairs();
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result["region" + i] = rinfoDict;
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i++;
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}
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}
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string xmlString = ServerUtils.BuildXmlResponse(result);
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//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
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UTF8Encoding encoding = new UTF8Encoding();
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return encoding.GetBytes(xmlString);
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}
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byte[] GetFallbackRegions(Dictionary<string, object> request)
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{
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//m_log.DebugFormat("[GRID HANDLER]: GetRegionRange");
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UUID scopeID = UUID.Zero;
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if (request.ContainsKey("SCOPEID"))
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UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
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else
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m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get fallback regions");
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int x = 0, y = 0;
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if (request.ContainsKey("X"))
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Int32.TryParse(request["X"].ToString(), out x);
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else
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m_log.WarnFormat("[GRID HANDLER]: no X in request to get fallback regions");
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if (request.ContainsKey("Y"))
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Int32.TryParse(request["Y"].ToString(), out y);
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else
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m_log.WarnFormat("[GRID HANDLER]: no Y in request to get fallback regions");
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List<GridRegion> rinfos = m_GridService.GetFallbackRegions(scopeID, x, y);
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Dictionary<string, object> result = new Dictionary<string, object>();
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if ((rinfos == null) || ((rinfos != null) && (rinfos.Count == 0)))
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result["result"] = "null";
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else
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{
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int i = 0;
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foreach (GridRegion rinfo in rinfos)
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{
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Dictionary<string, object> rinfoDict = rinfo.ToKeyValuePairs();
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result["region" + i] = rinfoDict;
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i++;
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}
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}
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string xmlString = ServerUtils.BuildXmlResponse(result);
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//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
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UTF8Encoding encoding = new UTF8Encoding();
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return encoding.GetBytes(xmlString);
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}
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byte[] GetHyperlinks(Dictionary<string, object> request)
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{
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//m_log.DebugFormat("[GRID HANDLER]: GetHyperlinks");
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UUID scopeID = UUID.Zero;
|
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if (request.ContainsKey("SCOPEID"))
|
|
UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
|
|
else
|
|
m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get linked regions");
|
|
|
|
List<GridRegion> rinfos = m_GridService.GetHyperlinks(scopeID);
|
|
|
|
Dictionary<string, object> result = new Dictionary<string, object>();
|
|
if ((rinfos == null) || ((rinfos != null) && (rinfos.Count == 0)))
|
|
result["result"] = "null";
|
|
else
|
|
{
|
|
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[] GetRegionFlags(Dictionary<string, object> request)
|
|
{
|
|
UUID scopeID = UUID.Zero;
|
|
if (request.ContainsKey("SCOPEID"))
|
|
UUID.TryParse(request["SCOPEID"].ToString(), out scopeID);
|
|
else
|
|
m_log.WarnFormat("[GRID HANDLER]: no scopeID in request to get neighbours");
|
|
|
|
UUID regionID = UUID.Zero;
|
|
if (request.ContainsKey("REGIONID"))
|
|
UUID.TryParse(request["REGIONID"].ToString(), out regionID);
|
|
else
|
|
m_log.WarnFormat("[GRID HANDLER]: no regionID in request to get neighbours");
|
|
|
|
int flags = m_GridService.GetRegionFlags(scopeID, regionID);
|
|
// m_log.DebugFormat("[GRID HANDLER]: flags for region {0}: {1}", regionID, flags);
|
|
|
|
Dictionary<string, object> result = new Dictionary<string, object>();
|
|
result["result"] = flags.ToString();
|
|
|
|
string xmlString = ServerUtils.BuildXmlResponse(result);
|
|
//m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
|
|
UTF8Encoding encoding = new UTF8Encoding();
|
|
return encoding.GetBytes(xmlString);
|
|
}
|
|
|
|
|
|
#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()
|
|
{
|
|
return FailureResult(String.Empty);
|
|
}
|
|
|
|
private byte[] FailureResult(string msg)
|
|
{
|
|
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);
|
|
|
|
XmlElement message = doc.CreateElement("", "Message", "");
|
|
message.AppendChild(doc.CreateTextNode(msg));
|
|
|
|
rootElement.AppendChild(message);
|
|
|
|
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.ToArray();
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|