1 files changed, 205 insertions, 0 deletions

diff --git a/OpenSim/Services/Connectors/Neighbour/NeighbourServicesConnector.cs b/OpenSim/Services/Connectors/Neighbour/NeighbourServicesConnector.cs
new file mode 100644
index 0000000..7429293
--- /dev/null
+++ b/OpenSim/Services/Connectors/Neighbour/NeighbourServicesConnector.cs
@@ -0,0 +1,205 @@
+/*
+ * 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 log4net;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+using System.Reflection;
+using System.Text;
+using Nini.Config;
+using OpenSim.Framework;
+using OpenSim.Framework.Communications;
+using OpenSim.Services.Interfaces;
+using OpenMetaverse;
+using OpenMetaverse.StructuredData;
+
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+
+namespace OpenSim.Services.Connectors
+{
+    public class NeighbourServicesConnector : INeighbourService
+    {
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+
+        protected IGridService m_GridService = null;
+
+        public NeighbourServicesConnector()
+        {
+        }
+
+        public NeighbourServicesConnector(IGridService gridServices)
+        {
+            Initialise(gridServices);
+        }
+
+        public virtual void Initialise(IGridService gridServices)
+        {
+            m_GridService = gridServices;
+        }
+
+        public virtual GridRegion HelloNeighbour(ulong regionHandle, RegionInfo thisRegion)
+        {
+            uint x = 0, y = 0;
+            Utils.LongToUInts(regionHandle, out x, out y);
+            GridRegion regInfo = m_GridService.GetRegionByPosition(thisRegion.ScopeID, (int)x, (int)y);
+            if ((regInfo != null) &&
+                // Don't remote-call this instance; that's a startup hickup
+                !((regInfo.ExternalHostName == thisRegion.ExternalHostName) && (regInfo.HttpPort == thisRegion.HttpPort)))
+            {
+                if (!DoHelloNeighbourCall(regInfo, thisRegion))
+                    return null;
+            }
+            else
+                return null;
+
+            return regInfo;
+        }
+
+        public bool DoHelloNeighbourCall(GridRegion region, RegionInfo thisRegion)
+        {
+            string uri = region.ServerURI + "region/" + thisRegion.RegionID + "/";
+//            m_log.Debug("   >>> DoHelloNeighbourCall <<< " + uri);
+
+            WebRequest helloNeighbourRequest;
+
+            try
+            {
+                helloNeighbourRequest = WebRequest.Create(uri);
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat(
+                    "[NEIGHBOUR SERVICE CONNCTOR]: Unable to parse uri {0} to send HelloNeighbour from {1} to {2}.  Exception {3}{4}",
+                    uri, thisRegion.RegionName, region.RegionName, e.Message, e.StackTrace);
+
+                return false;
+            }
+
+            helloNeighbourRequest.Method = "POST";
+            helloNeighbourRequest.ContentType = "application/json";
+            helloNeighbourRequest.Timeout = 10000;
+
+            // Fill it in
+            OSDMap args = null;
+            try
+            {
+                args = thisRegion.PackRegionInfoData();
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat(
+                    "[NEIGHBOUR SERVICE CONNCTOR]: PackRegionInfoData failed for HelloNeighbour from {0} to {1}.  Exception {2}{3}",
+                    thisRegion.RegionName, region.RegionName, e.Message, e.StackTrace);
+
+                return false;
+            }
+
+            // Add the regionhandle of the destination region
+            args["destination_handle"] = OSD.FromString(region.RegionHandle.ToString());
+
+            string strBuffer = "";
+            byte[] buffer = new byte[1];
+
+            try
+            {
+                strBuffer = OSDParser.SerializeJsonString(args);
+                buffer = Util.UTF8NoBomEncoding.GetBytes(strBuffer);
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat(
+                    "[NEIGHBOUR SERVICE CONNCTOR]: Exception thrown on serialization of HelloNeighbour from {0} to {1}.  Exception {2}{3}",
+                    thisRegion.RegionName, region.RegionName, e.Message, e.StackTrace);
+
+                return false;
+            }
+
+            Stream os = null;
+            try
+            { // send the Post
+                helloNeighbourRequest.ContentLength = buffer.Length;   //Count bytes to send
+                os = helloNeighbourRequest.GetRequestStream();
+                os.Write(buffer, 0, strBuffer.Length);         //Send it
+                //m_log.InfoFormat("[REST COMMS]: Posted HelloNeighbour request to remote sim {0}", uri);
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat(
+                    "[NEIGHBOUR SERVICE CONNCTOR]: Unable to send HelloNeighbour from {0} to {1}.  Exception {2}{3}",
+                    thisRegion.RegionName, region.RegionName, e.Message, e.StackTrace);
+
+                return false;
+            }
+            finally
+            {
+                if (os != null)
+                    os.Close();
+            }
+
+            // Let's wait for the response
+            //m_log.Info("[REST COMMS]: Waiting for a reply after DoHelloNeighbourCall");
+
+            StreamReader sr = null;
+            try
+            {
+                WebResponse webResponse = helloNeighbourRequest.GetResponse();
+                if (webResponse == null)
+                {
+                    m_log.DebugFormat(
+                        "[REST COMMS]: Null reply on DoHelloNeighbourCall post from {0} to {1}",
+                        thisRegion.RegionName, region.RegionName);
+                }
+
+                sr = new StreamReader(webResponse.GetResponseStream());
+                //reply = sr.ReadToEnd().Trim();
+                sr.ReadToEnd().Trim();
+                //m_log.InfoFormat("[REST COMMS]: DoHelloNeighbourCall reply was {0} ", reply);
+
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat(
+                    "[NEIGHBOUR SERVICE CONNCTOR]: Exception on reply of DoHelloNeighbourCall from {0} back to {1}.  Exception {2}{3}",
+                    region.RegionName, thisRegion.RegionName, e.Message, e.StackTrace);
+
+                return false;
+            }
+            finally
+            {
+                if (sr != null)
+                    sr.Close();
+            }
+
+            return true;
+        }
+    }
+}
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