1 files changed, 245 insertions, 0 deletions

diff --git a/OpenSim/Services/Connectors/Hypergrid/HypergridServiceConnector.cs b/OpenSim/Services/Connectors/Hypergrid/HypergridServiceConnector.cs
new file mode 100644
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--- /dev/null
+++ b/OpenSim/Services/Connectors/Hypergrid/HypergridServiceConnector.cs
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+/*
+ * 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 System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Text;
+using System.Drawing;
+using System.Net;
+using System.Reflection;
+using OpenSim.Services.Interfaces;
+using GridRegion = OpenSim.Services.Interfaces.GridRegion;
+
+using OpenSim.Framework;
+
+using OpenMetaverse;
+using OpenMetaverse.Imaging;
+using log4net;
+using Nwc.XmlRpc;
+
+namespace OpenSim.Services.Connectors.Hypergrid
+{
+    public class HypergridServiceConnector
+    {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private IAssetService m_AssetService;
+
+        public HypergridServiceConnector(IAssetService assService)
+        {
+            m_AssetService = assService;
+        }
+
+        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("[HGrid]: Linking to " + uri);
+            XmlRpcResponse response = null;
+            try
+            {
+                response = request.Send(uri, 10000);
+            }
+            catch (Exception e)
+            {
+                m_log.Debug("[HGrid]: Exception " + e.Message);
+                reason = "Error contacting remote server";
+                return false;
+            }
+
+            if (response.IsFault)
+            {
+                reason = response.FaultString;
+                m_log.ErrorFormat("[HGrid]: 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("[HGrid]: Got exception while parsing hyperlink response " + e.StackTrace);
+                return false;
+            }
+
+            return true;
+        }
+
+        public UUID GetMapImage(UUID regionID, string imageURL)
+        {
+            try
+            {
+
+                WebClient c = new WebClient();
+                //m_log.Debug("JPEG: " + uri);
+                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("[HGrid]: 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("[HGrid]: contacting " + uri);
+            XmlRpcResponse response = null;
+            try
+            {
+                response = request.Send(uri, 10000);
+            }
+            catch (Exception e)
+            {
+                m_log.Debug("[HGrid]: Exception " + e.Message);
+                return null;
+            }
+
+            if (response.IsFault)
+            {
+                m_log.ErrorFormat("[HGrid]: 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: " + uuid);
+                    int n = 0;
+                    if (hash["x"] != null)
+                    {
+                        Int32.TryParse((string)hash["x"], out n);
+                        region.RegionLocX = n;
+                    }
+                    if (hash["y"] != null)
+                    {
+                        Int32.TryParse((string)hash["y"], out n);
+                        region.RegionLocY = n;
+                    }
+                    if (hash["region_name"] != null)
+                    {
+                        region.RegionName = (string)hash["region_name"];
+                    }
+                    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("[HGrid]: Got exception while parsing hyperlink response " + e.StackTrace);
+                return null;
+            }
+
+            return null;
+        }
+    }
+}