Added grid handler and grid remote connector.

1 files changed, 269 insertions, 0 deletions

diff --git a/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs b/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs
new file mode 100644
index 0000000..39c0584
--- /dev/null
+++ b/OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs
@@ -0,0 +1,269 @@
+/*
+ * 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 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();
+            
+            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);
+
+                default:
+                    m_log.DebugFormat("[GRID HANDLER]: unknown method request {0}", 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;
+            SimpleRegionInfo rinfo = new SimpleRegionInfo(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 scopeID);
+            else
+                m_log.WarnFormat("[GRID HANDLER]: no regionID in request to get neighbours");
+
+            List<SimpleRegionInfo> rinfos = m_GridService.GetNeighbours(scopeID, regionID);
+
+            Dictionary<string, object> result = new Dictionary<string, object>();
+            int i = 0;
+            foreach (SimpleRegionInfo rinfo in rinfos)
+            {
+                Dictionary<string, object> rinfoDict = rinfo.ToKeyValuePairs();
+                result["region" + i] = rinfoDict;
+                i++;
+            }
+
+            string xmlString = ServerUtils.BuildXmlResponse(result);
+            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
+    }
+}