Integrated the hyperlinking with the GridService.

1 files changed, 215 insertions, 0 deletions

diff --git a/OpenSim/Services/Connectors/Hypergrid/GatekeeperServiceConnector.cs b/OpenSim/Services/Connectors/Hypergrid/GatekeeperServiceConnector.cs
index a8d9292..ae0a0b6 100644
--- a/OpenSim/Services/Connectors/Hypergrid/GatekeeperServiceConnector.cs
+++ b/OpenSim/Services/Connectors/Hypergrid/GatekeeperServiceConnector.cs
@@ -1,13 +1,18 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Drawing;
 using System.Net;
+using System.Reflection;
 
+using OpenSim.Framework;
 using OpenSim.Services.Interfaces;
 using GridRegion = OpenSim.Services.Interfaces.GridRegion;
 
 using OpenMetaverse;
+using OpenMetaverse.Imaging;
 using Nwc.XmlRpc;
+using log4net;
 
 using OpenSim.Services.Connectors.Simulation;
 
@@ -15,6 +20,21 @@ namespace OpenSim.Services.Connectors.Hypergrid
 {
     public class GatekeeperServiceConnector : SimulationServiceConnector
     {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private static UUID m_HGMapImage = new UUID("00000000-0000-1111-9999-000000000013");
+
+        private IAssetService m_AssetService;
+
+        public GatekeeperServiceConnector() : base()
+        {
+        }
+
+        public GatekeeperServiceConnector(IAssetService assService)
+        {
+            m_AssetService = assService;
+        }
+
         protected override string AgentPath()
         {
             return "/foreignagent/";
@@ -25,6 +45,201 @@ namespace OpenSim.Services.Connectors.Hypergrid
             return "/foreignobject/";
         }
 
+        public bool LinkRegion(GridRegion info, out UUID regionID, out ulong realHandle, out string imageURL, out string reason)
+        {
+            regionID = UUID.Zero;
+            imageURL = string.Empty;
+            realHandle = 0;
+            reason = string.Empty;
+
+            Hashtable hash = new Hashtable();
+            hash["region_name"] = info.RegionName;
+
+            IList paramList = new ArrayList();
+            paramList.Add(hash);
+
+            XmlRpcRequest request = new XmlRpcRequest("link_region", paramList);
+            string uri = "http://" + info.ExternalEndPoint.Address + ":" + info.HttpPort + "/";
+            //m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: Linking to " + uri);
+            XmlRpcResponse response = null;
+            try
+            {
+                response = request.Send(uri, 10000);
+            }
+            catch (Exception e)
+            {
+                m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: Exception " + e.Message);
+                reason = "Error contacting remote server";
+                return false;
+            }
+
+            if (response.IsFault)
+            {
+                reason = response.FaultString;
+                m_log.ErrorFormat("[GATEKEEPER SERVICE CONNECTOR]: remote call returned an error: {0}", response.FaultString);
+                return false;
+            }
+
+            hash = (Hashtable)response.Value;
+            //foreach (Object o in hash)
+            //    m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
+            try
+            {
+                bool success = false;
+                Boolean.TryParse((string)hash["result"], out success);
+                if (success)
+                {
+                    UUID.TryParse((string)hash["uuid"], out regionID);
+                    //m_log.Debug(">> HERE, uuid: " + uuid);
+                    if ((string)hash["handle"] != null)
+                    {
+                        realHandle = Convert.ToUInt64((string)hash["handle"]);
+                        //m_log.Debug(">> HERE, realHandle: " + realHandle);
+                    }
+                    if (hash["region_image"] != null)
+                    {
+                        imageURL = (string)hash["region_image"];
+                    }
+                }
+
+            }
+            catch (Exception e)
+            {
+                reason = "Error parsing return arguments";
+                m_log.Error("[GATEKEEPER SERVICE CONNECTOR]: Got exception while parsing hyperlink response " + e.StackTrace);
+                return false;
+            }
+
+            return true;
+        }
+
+        UUID m_MissingTexture = new UUID("5748decc-f629-461c-9a36-a35a221fe21f");
+
+        public UUID GetMapImage(UUID regionID, string imageURL)
+        {
+            if (m_AssetService == null)
+                return m_MissingTexture;
+
+            try
+            {
+
+                WebClient c = new WebClient();
+                //m_log.Debug("JPEG: " + imageURL);
+                string filename = regionID.ToString();
+                c.DownloadFile(imageURL, filename + ".jpg");
+                Bitmap m = new Bitmap(filename + ".jpg");
+                //m_log.Debug("Size: " + m.PhysicalDimension.Height + "-" + m.PhysicalDimension.Width);
+                byte[] imageData = OpenJPEG.EncodeFromImage(m, true);
+                AssetBase ass = new AssetBase(UUID.Random(), "region " + filename, (sbyte)AssetType.Texture);
+
+                // !!! for now
+                //info.RegionSettings.TerrainImageID = ass.FullID;
+
+                ass.Temporary = true;
+                ass.Local = true;
+                ass.Data = imageData;
+
+                m_AssetService.Store(ass);
+
+                // finally
+                return ass.FullID;
+
+            }
+            catch // LEGIT: Catching problems caused by OpenJPEG p/invoke
+            {
+                m_log.Warn("[GATEKEEPER SERVICE CONNECTOR]: Failed getting/storing map image, because it is probably already in the cache");
+            }
+            return UUID.Zero;
+        }
+
+        public GridRegion GetHyperlinkRegion(GridRegion gatekeeper, UUID regionID)
+        {
+            Hashtable hash = new Hashtable();
+            hash["region_uuid"] = regionID.ToString();
+
+            IList paramList = new ArrayList();
+            paramList.Add(hash);
+
+            XmlRpcRequest request = new XmlRpcRequest("get_region", paramList);
+            string uri = "http://" + gatekeeper.ExternalEndPoint.Address + ":" + gatekeeper.HttpPort + "/";
+            m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: contacting " + uri);
+            XmlRpcResponse response = null;
+            try
+            {
+                response = request.Send(uri, 10000);
+            }
+            catch (Exception e)
+            {
+                m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: Exception " + e.Message);
+                return null;
+            }
+
+            if (response.IsFault)
+            {
+                m_log.ErrorFormat("[GATEKEEPER SERVICE CONNECTOR]: remote call returned an error: {0}", response.FaultString);
+                return null;
+            }
+
+            hash = (Hashtable)response.Value;
+            //foreach (Object o in hash)
+            //    m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
+            try
+            {
+                bool success = false;
+                Boolean.TryParse((string)hash["result"], out success);
+                if (success)
+                {
+                    GridRegion region = new GridRegion();
+
+                    UUID.TryParse((string)hash["uuid"], out region.RegionID);
+                    //m_log.Debug(">> HERE, uuid: " + region.RegionID);
+                    int n = 0;
+                    if (hash["x"] != null)
+                    {
+                        Int32.TryParse((string)hash["x"], out n);
+                        region.RegionLocX = n;
+                        //m_log.Debug(">> HERE, x: " + region.RegionLocX);
+                    }
+                    if (hash["y"] != null)
+                    {
+                        Int32.TryParse((string)hash["y"], out n);
+                        region.RegionLocY = n;
+                        //m_log.Debug(">> HERE, y: " + region.RegionLocY);
+                    }
+                    if (hash["region_name"] != null)
+                    {
+                        region.RegionName = (string)hash["region_name"];
+                        //m_log.Debug(">> HERE, name: " + region.RegionName);
+                    }
+                    if (hash["hostname"] != null)
+                        region.ExternalHostName = (string)hash["hostname"];
+                    if (hash["http_port"] != null)
+                    {
+                        uint p = 0;
+                        UInt32.TryParse((string)hash["http_port"], out p);
+                        region.HttpPort = p;
+                    }
+                    if (hash["internal_port"] != null)
+                    {
+                        int p = 0;
+                        Int32.TryParse((string)hash["internal_port"], out p);
+                        region.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), p);
+                    }
+
+                    // Successful return
+                    return region;
+                }
+
+            }
+            catch (Exception e)
+            {
+                m_log.Error("[GATEKEEPER SERVICE CONNECTOR]: Got exception while parsing hyperlink response " + e.StackTrace);
+                return null;
+            }
+
+            return null;
+        }
+
         public GridRegion GetHomeRegion(GridRegion gatekeeper, UUID userID, out Vector3 position, out Vector3 lookAt)
         {
             position = Vector3.UnitY; lookAt = Vector3.UnitY;