/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs
C# | 652 lines | 479 code | 122 blank | 51 comment | 86 complexity | 8a265999bd5f41be8bec56a33abc236a MD5 | raw file
Possible License(s): MIT
- /*
- * 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);
- #pragma warning disable 414
- private static string LogHeader = "[GRID HANDLER]";
- #pragma warning restore 414
- private IGridService m_GridService;
- public GridServerPostHandler(IGridService service) :
- base("POST", "/grid")
- {
- m_GridService = service;
- }
- protected override byte[] ProcessRequest(string path, Stream requestData,
- IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
- {
- StreamReader sr = new StreamReader(requestData);
- string body = sr.ReadToEnd();
- sr.Close();
- body = body.Trim();
- //m_log.DebugFormat("[XXX]: query String: {0}", body);
- try
- {
- Dictionary<string, object> request =
- ServerUtils.ParseQueryString(body);
- if (!request.ContainsKey("METHOD"))
- return FailureResult();
- string method = request["METHOD"].ToString();
- 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);
- case "get_default_regions":
- return GetDefaultRegions(request);
- case "get_default_hypergrid_regions":
- return GetDefaultHypergridRegions(request);
- case "get_fallback_regions":
- return GetFallbackRegions(request);
- case "get_hyperlinks":
- return GetHyperlinks(request);
- case "get_region_flags":
- return GetRegionFlags(request);
- }
-
- m_log.DebugFormat("[GRID HANDLER]: unknown method request {0}", method);
- }
- catch (Exception e)
- {
- m_log.ErrorFormat("[GRID HANDLER]: Exception {0} {1}", e.Message, e.StackTrace);
- }
- return FailureResult();
- }
- #region Method-specific handlers
- byte[] Register(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 register region");
- int versionNumberMin = 0, versionNumberMax = 0;
- if (request.ContainsKey("VERSIONMIN"))
- Int32.TryParse(request["VERSIONMIN"].ToString(), out versionNumberMin);
- else
- m_log.WarnFormat("[GRID HANDLER]: no minimum protocol version in request to register region");
- if (request.ContainsKey("VERSIONMAX"))
- Int32.TryParse(request["VERSIONMAX"].ToString(), out versionNumberMax);
- else
- m_log.WarnFormat("[GRID HANDLER]: no maximum protocol version in request to register region");
- // Check the protocol version
- if ((versionNumberMin > ProtocolVersions.ServerProtocolVersionMax && versionNumberMax < ProtocolVersions.ServerProtocolVersionMax))
- {
- // Can't do, there is no overlap in the acceptable ranges
- return FailureResult();
- }
- Dictionary<string, object> rinfoData = new Dictionary<string, object>();
- GridRegion rinfo = null;
- try
- {
- foreach (KeyValuePair<string, object> kvp in request)
- rinfoData[kvp.Key] = kvp.Value.ToString();
- rinfo = new GridRegion(rinfoData);
- }
- catch (Exception e)
- {
- m_log.DebugFormat("[GRID HANDLER]: exception unpacking region data: {0}", e);
- }
- string result = "Error communicating with grid service";
- if (rinfo != null)
- result = m_GridService.RegisterRegion(scopeID, rinfo);
- if (result == String.Empty)
- return SuccessResult();
- else
- return FailureResult(result);
- }
- byte[] Deregister(Dictionary<string, object> request)
- {
- 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 deregister region");
- bool result = m_GridService.DeregisterRegion(regionID);
- if (result)
- return SuccessResult();
- else
- return FailureResult();
- }
- byte[] GetNeighbours(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");
- 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>();
- 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);
- return Util.UTF8NoBomEncoding.GetBytes(xmlString);
- }
- byte[] GetRegionByUUID(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");
- GridRegion rinfo = m_GridService.GetRegionByUUID(scopeID, regionID);
- //m_log.DebugFormat("[GRID HANDLER]: neighbours for region {0}: {1}", regionID, rinfos.Count);
- Dictionary<string, object> result = new Dictionary<string, object>();
- if (rinfo == null)
- result["result"] = "null";
- else
- result["result"] = rinfo.ToKeyValuePairs();
- string xmlString = ServerUtils.BuildXmlResponse(result);
- //m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
- return Util.UTF8NoBomEncoding.GetBytes(xmlString);
- }
- byte[] GetRegionByPosition(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 region by position");
- int x = 0, y = 0;
- if (request.ContainsKey("X"))
- Int32.TryParse(request["X"].ToString(), out x);
- else
- m_log.WarnFormat("[GRID HANDLER]: no X in request to get region by position");
- if (request.ContainsKey("Y"))
- Int32.TryParse(request["Y"].ToString(), out y);
- else
- m_log.WarnFormat("[GRID HANDLER]: no Y in request to get region by position");
- // m_log.DebugFormat("{0} GetRegionByPosition: loc=<{1},{2}>", LogHeader, x, y);
- GridRegion rinfo = m_GridService.GetRegionByPosition(scopeID, x, y);
- Dictionary<string, object> result = new Dictionary<string, object>();
- if (rinfo == null)
- result["result"] = "null";
- else
- result["result"] = rinfo.ToKeyValuePairs();
- string xmlString = ServerUtils.BuildXmlResponse(result);
- //m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
- return Util.UTF8NoBomEncoding.GetBytes(xmlString);
- }
- byte[] GetRegionByName(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 region by name");
- string regionName = string.Empty;
- if (request.ContainsKey("NAME"))
- regionName = request["NAME"].ToString();
- else
- m_log.WarnFormat("[GRID HANDLER]: no name in request to get region by name");
- GridRegion rinfo = m_GridService.GetRegionByName(scopeID, regionName);
- //m_log.DebugFormat("[GRID HANDLER]: neighbours for region {0}: {1}", regionID, rinfos.Count);
- Dictionary<string, object> result = new Dictionary<string, object>();
- if (rinfo == null)
- result["result"] = "null";
- else
- result["result"] = rinfo.ToKeyValuePairs();
- string xmlString = ServerUtils.BuildXmlResponse(result);
- //m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
- return Util.UTF8NoBomEncoding.GetBytes(xmlString);
- }
- byte[] GetRegionsByName(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 regions by name");
- string regionName = string.Empty;
- if (request.ContainsKey("NAME"))
- regionName = request["NAME"].ToString();
- else
- m_log.WarnFormat("[GRID HANDLER]: no NAME in request to get regions by name");
- int max = 0;
- if (request.ContainsKey("MAX"))
- Int32.TryParse(request["MAX"].ToString(), out max);
- else
- m_log.WarnFormat("[GRID HANDLER]: no MAX in request to get regions by name");
- List<GridRegion> rinfos = m_GridService.GetRegionsByName(scopeID, regionName, max);
- //m_log.DebugFormat("[GRID HANDLER]: neighbours for region {0}: {1}", regionID, rinfos.Count);
- 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);
- return Util.UTF8NoBomEncoding.GetBytes(xmlString);
- }
- byte[] GetRegionRange(Dictionary<string, object> request)
- {
- //m_log.DebugFormat("[GRID HANDLER]: GetRegionRange");
- 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 region range");
- int xmin = 0, xmax = 0, ymin = 0, ymax = 0;
- if (request.ContainsKey("XMIN"))
- Int32.TryParse(request["XMIN"].ToString(), out xmin);
- else
- m_log.WarnFormat("[GRID HANDLER]: no XMIN in request to get region range");
- if (request.ContainsKey("XMAX"))
- Int32.TryParse(request["XMAX"].ToString(), out xmax);
- else
- m_log.WarnFormat("[GRID HANDLER]: no XMAX in request to get region range");
- if (request.ContainsKey("YMIN"))
- Int32.TryParse(request["YMIN"].ToString(), out ymin);
- else
- m_log.WarnFormat("[GRID HANDLER]: no YMIN in request to get region range");
- if (request.ContainsKey("YMAX"))
- Int32.TryParse(request["YMAX"].ToString(), out ymax);
- else
- m_log.WarnFormat("[GRID HANDLER]: no YMAX in request to get region range");
- List<GridRegion> rinfos = m_GridService.GetRegionRange(scopeID, xmin, xmax, ymin, ymax);
- 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);
- return Util.UTF8NoBomEncoding.GetBytes(xmlString);
- }
- byte[] GetDefaultRegions(Dictionary<string, object> request)
- {
- //m_log.DebugFormat("[GRID HANDLER]: GetDefaultRegions");
- 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 region range");
- List<GridRegion> rinfos = m_GridService.GetDefaultRegions(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);
- return Util.UTF8NoBomEncoding.GetBytes(xmlString);
- }
- byte[] GetDefaultHypergridRegions(Dictionary<string, object> request)
- {
- //m_log.DebugFormat("[GRID HANDLER]: GetDefaultRegions");
- 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 region range");
- List<GridRegion> rinfos = m_GridService.GetDefaultHypergridRegions(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);
- return Util.UTF8NoBomEncoding.GetBytes(xmlString);
- }
- byte[] GetFallbackRegions(Dictionary<string, object> request)
- {
- //m_log.DebugFormat("[GRID HANDLER]: GetRegionRange");
- 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 fallback regions");
- int x = 0, y = 0;
- if (request.ContainsKey("X"))
- Int32.TryParse(request["X"].ToString(), out x);
- else
- m_log.WarnFormat("[GRID HANDLER]: no X in request to get fallback regions");
- if (request.ContainsKey("Y"))
- Int32.TryParse(request["Y"].ToString(), out y);
- else
- m_log.WarnFormat("[GRID HANDLER]: no Y in request to get fallback regions");
- List<GridRegion> rinfos = m_GridService.GetFallbackRegions(scopeID, x, y);
- 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);
- return Util.UTF8NoBomEncoding.GetBytes(xmlString);
- }
- byte[] GetHyperlinks(Dictionary<string, object> request)
- {
- //m_log.DebugFormat("[GRID HANDLER]: GetHyperlinks");
- 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 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);
- return Util.UTF8NoBomEncoding.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);
- return Util.UTF8NoBomEncoding.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
- }
- }