Added test GridClient, which allowed me to remove a few bugs out of the new code.

OpenSim/Framework/Servers/HttpServer/SynchronousRestFormsRequester.cs

@@ -56,14 +56,14 @@ namespace OpenSim.Framework.Servers.HttpServer
                 request.ContentType = "text/www-form-urlencoded";
 
                 MemoryStream buffer = new MemoryStream();
-
+                int length = 0;
                 using (StreamWriter writer = new StreamWriter(buffer))
                 {
                     writer.WriteLine(obj);
                     writer.Flush();
+                    length = (int)buffer.Length;
                 }
 
-                int length = (int) buffer.Length;
                 request.ContentLength = length;
 
                 Stream requestStream = request.GetRequestStream();

OpenSim/Server/Base/ServerUtils.cs

@@ -258,6 +258,8 @@ namespace OpenSim.Server.Base
 
         public static Dictionary<string, object> ParseXmlResponse(string data)
         {
+            //m_log.DebugFormat("[XXX]: received xml string: {0}", data);
+
             Dictionary<string, object> ret = new Dictionary<string, object>();
 
             XmlDocument doc = new XmlDocument();
@@ -284,7 +286,7 @@ namespace OpenSim.Server.Base
 
             foreach (XmlNode part in partL)
             {
-                XmlNode type = part.Attributes.GetNamedItem("Type");
+                XmlNode type = part.Attributes.GetNamedItem("type");
                 if (type == null || type.Value != "List")
                 {
                     ret[part.Name] = part.InnerText;

OpenSim/Server/Handlers/Grid/GridServerConnector.cs

@@ -45,7 +45,7 @@ namespace OpenSim.Server.Handlers.Grid
             if (serverConfig == null)
                 throw new Exception("No section 'Server' in config file");
 
-            string gridService = serverConfig.GetString("GridServiceModule",
+            string gridService = serverConfig.GetString("LocalServiceModule",
                     String.Empty);
 
             if (gridService == String.Empty)

OpenSim/Server/Handlers/Grid/GridServerPostHandler.cs

@@ -63,6 +63,7 @@ namespace OpenSim.Server.Handlers.Grid
             StreamReader sr = new StreamReader(requestData);
             string body = sr.ReadToEnd();
             sr.Close();
+            body = body.Trim();
             
             Dictionary<string, string> request =
                     ServerUtils.ParseQueryString(body);
@@ -98,11 +99,11 @@ namespace OpenSim.Server.Handlers.Grid
                 case "get_region_range":
                     return GetRegionRange(request);
 
-                default:
-                    m_log.DebugFormat("[GRID HANDLER]: unknown method request {0}", method);
-                    return FailureResult();
             }
 
+            m_log.DebugFormat("[GRID HANDLER XXX]: unknown method {0} request {1}", method.Length, method);
+            return FailureResult();
+
         }
 
         #region Method-specific handlers
@@ -155,11 +156,12 @@ namespace OpenSim.Server.Handlers.Grid
 
             UUID regionID = UUID.Zero;
             if (request["REGIONID"] != null)
-                UUID.TryParse(request["REGIONID"], out scopeID);
+                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;
@@ -171,6 +173,7 @@ namespace OpenSim.Server.Handlers.Grid
             }
 
             string xmlString = ServerUtils.BuildXmlResponse(result);
+            //m_log.DebugFormat("[GRID HANDLER]: resp string: {0}", xmlString);
             UTF8Encoding encoding = new UTF8Encoding();
             return encoding.GetBytes(xmlString);
 

OpenSim/Services/Connectors/Grid/GridServiceConnector.cs

@@ -97,9 +97,11 @@ namespace OpenSim.Services.Connectors
 
             sendData["METHOD"] = "register";
 
+            string reqString = ServerUtils.BuildQueryString(sendData);
+            m_log.DebugFormat("[GRID CONNECTOR]: queryString = {0}", reqString);
             string reply = SynchronousRestFormsRequester.MakeRequest("POST",
                     m_ServerURI + "/grid",
-                    ServerUtils.BuildQueryString(sendData));
+                    reqString);
 
             Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
 
@@ -138,9 +140,10 @@ namespace OpenSim.Services.Connectors
 
             sendData["METHOD"] = "get_neighbours";
 
+            string reqString = ServerUtils.BuildQueryString(sendData);
             string reply = SynchronousRestFormsRequester.MakeRequest("POST",
                     m_ServerURI + "/grid",
-                    ServerUtils.BuildQueryString(sendData));
+                    reqString);
 
             Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
 
@@ -148,6 +151,7 @@ namespace OpenSim.Services.Connectors
             if (replyData != null)
             {
                 Dictionary<string, object>.ValueCollection rinfosList = replyData.Values;
+                m_log.DebugFormat("[GRID CONNECTOR]: get neighbours returned {0} elements", rinfosList.Count);
                 foreach (object r in rinfosList)
                 {
                     if (r is Dictionary<string, object>)
@@ -156,8 +160,8 @@ namespace OpenSim.Services.Connectors
                         rinfos.Add(rinfo);
                     }
                     else
-                        m_log.DebugFormat("[GRID CONNECTOR]: GetNeighbours {0}, {1} received invalid response",
+                        m_log.DebugFormat("[GRID CONNECTOR]: GetNeighbours {0}, {1} received invalid response type {2}",
-                            scopeID, regionID);
+                            scopeID, regionID, r.GetType());
                 }
             }
             else

OpenSim/Services/Interfaces/IGridService.cs

@@ -277,6 +277,15 @@ namespace OpenSim.Services.Interfaces
 
         public GridRegion(Dictionary<string, object> kvp)
         {
+            if (kvp["uuid"] != null)
+                RegionID = new UUID((string)kvp["uuid"]);
+
+            if (kvp["locX"] != null)
+                RegionLocX = Convert.ToInt32((string)kvp["locX"]);
+
+            if (kvp["locY"] != null)
+                RegionLocY = Convert.ToInt32((string)kvp["locY"]);
+
             if ((kvp["external_ip_address"] != null) && (kvp["external_port"] != null))
             {
                 int port = 0;

OpenSim/Tests/Clients/Grid/GridClient.cs

@@ -0,0 +1,102 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Reflection;
+
+using OpenMetaverse;
+using log4net;
+using log4net.Appender;
+using log4net.Layout;
+
+using OpenSim.Framework;
+using OpenSim.Services.Interfaces;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+using OpenSim.Services.Connectors;
+
+namespace OpenSim.Tests.Clients.GridClient
+{
+    public class GridClient
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+        
+        public static void Main(string[] args)
+        {
+            ConsoleAppender consoleAppender = new ConsoleAppender();
+            consoleAppender.Layout =
+                new PatternLayout("%date [%thread] %-5level %logger [%property{NDC}] - %message%newline");
+            log4net.Config.BasicConfigurator.Configure(consoleAppender);
+
+            string serverURI = "http://127.0.0.1:8002";
+            GridServicesConnector m_Connector = new GridServicesConnector(serverURI);
+
+            GridRegion r1 = CreateRegion("Test Region 1", 1000, 1000);
+            GridRegion r2 = CreateRegion("Test Region 2", 1001, 1000);
+            GridRegion r3 = CreateRegion("Test Region 3", 1005, 1000);
+
+            Console.WriteLine("[GRID CLIENT]: Registering region 1"); 
+            bool success = m_Connector.RegisterRegion(UUID.Zero, r1);
+            if (success)
+                Console.WriteLine("[GRID CLIENT]: Successfully registered region 1");
+            else
+                Console.WriteLine("[GRID CLIENT]: region 1 failed to register");
+
+            Console.WriteLine("[GRID CLIENT]: Registering region 2");
+            success = m_Connector.RegisterRegion(UUID.Zero, r2);
+            if (success)
+                Console.WriteLine("[GRID CLIENT]: Successfully registered region 2");
+            else
+                Console.WriteLine("[GRID CLIENT]: region 2 failed to register");
+
+            Console.WriteLine("[GRID CLIENT]: Registering region 3");
+            success = m_Connector.RegisterRegion(UUID.Zero, r3);
+            if (success)
+                Console.WriteLine("[GRID CLIENT]: Successfully registered region 3");
+            else
+                Console.WriteLine("[GRID CLIENT]: region 3 failed to register");
+
+
+            Console.WriteLine("[GRID CLIENT]: Deregistering region 3");
+            success = m_Connector.DeregisterRegion(r3.RegionID);
+            if (success)
+                Console.WriteLine("[GRID CLIENT]: Successfully deregistered region 3");
+            else
+                Console.WriteLine("[GRID CLIENT]: region 3 failed to deregister");
+            Console.WriteLine("[GRID CLIENT]: Registering region 3 again");
+            success = m_Connector.RegisterRegion(UUID.Zero, r3);
+            if (success)
+                Console.WriteLine("[GRID CLIENT]: Successfully registered region 3");
+            else
+                Console.WriteLine("[GRID CLIENT]: region 3 failed to register");
+
+            Console.WriteLine("[GRID CLIENT]: GetNeighbours of region 1");
+            List<GridRegion> regions = m_Connector.GetNeighbours(UUID.Zero, r1.RegionID);
+            if (regions == null)
+                Console.WriteLine("[GRID CLIENT]: GetNeighbours of region 1 failed");
+            else if (regions.Count > 0)
+            {
+                if (regions.Count != 1)
+                    Console.WriteLine("[GRID CLIENT]: GetNeighbours of region 1 returned more neighbours than expected: " + regions.Count);
+                else
+                    Console.WriteLine("[GRID CLIENT]: GetNeighbours of region 1 returned the right neighbour " + regions[0].RegionName);
+            }
+            else
+                Console.WriteLine("[GRID CLIENT]: GetNeighbours of region 1 returned 0 neighbours");
+
+
+        }
+
+        private static GridRegion CreateRegion(string name, uint xcell, uint ycell)
+        {
+            GridRegion region = new GridRegion(xcell, ycell);
+            region.RegionName = name;
+            region.RegionID = UUID.Random();
+            region.ExternalHostName = "127.0.0.1";
+            region.HttpPort = 9000;
+            region.InternalEndPoint = new System.Net.IPEndPoint(System.Net.IPAddress.Parse("0.0.0.0"), 0);
+          
+            return region;
+        }
+    }
+}

prebuild.xml

@@ -3221,6 +3221,35 @@
       </Files>
     </Project>
 
+    <!-- Test Clients -->
+    <Project frameworkVersion="v3_5" name="OpenSim.Tests.Clients.GridClient" path="OpenSim/Tests/Clients/Grid" type="Exe">
+      <Configuration name="Debug">
+        <Options>
+          <OutputPath>../../../../bin/</OutputPath>
+        </Options>
+      </Configuration>
+      <Configuration name="Release">
+        <Options>
+          <OutputPath>../../../../bin/</OutputPath>
+        </Options>
+      </Configuration>
+
+      <ReferencePath>../../../../bin/</ReferencePath>
+      <Reference name="System"/>
+      <Reference name="OpenMetaverseTypes.dll"/>
+      <Reference name="OpenMetaverse.dll"/>
+      <Reference name="OpenSim.Framework"/>
+      <Reference name="OpenSim.Services.Interfaces" />
+      <Reference name="OpenSim.Services.Connectors" />
+      <Reference name="Nini.dll" />
+      <Reference name="log4net.dll"/>
+
+      <Files>
+        <Match pattern="*.cs" recurse="true"/>
+      </Files>
+    </Project>
+
+
     <!-- Test assemblies -->
     <Project frameworkVersion="v3_5" name="OpenSim.Tests.Common" path="OpenSim/Tests/Common" type="Library">
       <Configuration name="Debug">