333 lines
13 KiB
C#
333 lines
13 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Drawing;
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using System.IO;
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using System.Net;
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using System.Reflection;
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using OpenSim.Framework;
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using OpenSim.Services.Interfaces;
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using GridRegion = OpenSim.Services.Interfaces.GridRegion;
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using OpenMetaverse;
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using OpenMetaverse.Imaging;
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using OpenMetaverse.StructuredData;
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using Nwc.XmlRpc;
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using log4net;
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using OpenSim.Services.Connectors.Simulation;
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namespace OpenSim.Services.Connectors.Hypergrid
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{
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public class GatekeeperServiceConnector : SimulationServiceConnector
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private static UUID m_HGMapImage = new UUID("00000000-0000-1111-9999-000000000013");
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private IAssetService m_AssetService;
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public GatekeeperServiceConnector()
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: base()
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{
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}
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public GatekeeperServiceConnector(IAssetService assService)
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{
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m_AssetService = assService;
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}
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protected override string AgentPath()
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{
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return "foreignagent/";
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}
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protected override string ObjectPath()
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{
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return "foreignobject/";
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}
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public bool LinkRegion(GridRegion info, out UUID regionID, out ulong realHandle, out string externalName, out string imageURL, out string reason)
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{
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regionID = UUID.Zero;
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imageURL = string.Empty;
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realHandle = 0;
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externalName = string.Empty;
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reason = string.Empty;
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Hashtable hash = new Hashtable();
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hash["region_name"] = info.RegionName;
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IList paramList = new ArrayList();
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paramList.Add(hash);
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XmlRpcRequest request = new XmlRpcRequest("link_region", paramList);
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m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: Linking to " + info.ServerURI);
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XmlRpcResponse response = null;
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try
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{
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response = request.Send(info.ServerURI, 10000);
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}
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catch (Exception e)
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{
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m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: Exception " + e.Message);
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reason = "Error contacting remote server";
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return false;
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}
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if (response.IsFault)
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{
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reason = response.FaultString;
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m_log.ErrorFormat("[GATEKEEPER SERVICE CONNECTOR]: remote call returned an error: {0}", response.FaultString);
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return false;
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}
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hash = (Hashtable)response.Value;
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//foreach (Object o in hash)
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// m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
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try
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{
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bool success = false;
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Boolean.TryParse((string)hash["result"], out success);
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if (success)
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{
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UUID.TryParse((string)hash["uuid"], out regionID);
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//m_log.Debug(">> HERE, uuid: " + regionID);
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if ((string)hash["handle"] != null)
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{
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realHandle = Convert.ToUInt64((string)hash["handle"]);
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//m_log.Debug(">> HERE, realHandle: " + realHandle);
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}
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if (hash["region_image"] != null)
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{
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imageURL = (string)hash["region_image"];
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//m_log.Debug(">> HERE, imageURL: " + imageURL);
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}
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if (hash["external_name"] != null)
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{
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externalName = (string)hash["external_name"];
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//m_log.Debug(">> HERE, externalName: " + externalName);
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}
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}
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}
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catch (Exception e)
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{
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reason = "Error parsing return arguments";
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m_log.Error("[GATEKEEPER SERVICE CONNECTOR]: Got exception while parsing hyperlink response " + e.StackTrace);
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return false;
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}
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return true;
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}
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public UUID GetMapImage(UUID regionID, string imageURL, string storagePath)
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{
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if (m_AssetService == null)
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{
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m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: No AssetService defined. Map tile not retrieved.");
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return m_HGMapImage;
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}
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UUID mapTile = m_HGMapImage;
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string filename = string.Empty;
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try
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{
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WebClient c = new WebClient();
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string name = regionID.ToString();
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filename = Path.Combine(storagePath, name + ".jpg");
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m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: Map image at {0}, cached at {1}", imageURL, filename);
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if (!File.Exists(filename))
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{
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m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: downloading...");
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c.DownloadFile(imageURL, filename);
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}
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else
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{
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m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: using cached image");
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}
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byte[] imageData = null;
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using (Bitmap bitmap = new Bitmap(filename))
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{
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//m_log.Debug("Size: " + m.PhysicalDimension.Height + "-" + m.PhysicalDimension.Width);
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imageData = OpenJPEG.EncodeFromImage(bitmap, true);
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}
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AssetBase ass = new AssetBase(UUID.Random(), "region " + name, (sbyte)AssetType.Texture, regionID.ToString());
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// !!! for now
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//info.RegionSettings.TerrainImageID = ass.FullID;
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ass.Data = imageData;
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mapTile = ass.FullID;
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// finally
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m_AssetService.Store(ass);
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}
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catch // LEGIT: Catching problems caused by OpenJPEG p/invoke
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{
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m_log.Info("[GATEKEEPER SERVICE CONNECTOR]: Failed getting/storing map image, because it is probably already in the cache");
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}
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return mapTile;
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}
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public GridRegion GetHyperlinkRegion(GridRegion gatekeeper, UUID regionID, UUID agentID, string agentHomeURI, out string message)
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{
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Hashtable hash = new Hashtable();
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hash["region_uuid"] = regionID.ToString();
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if (agentID != UUID.Zero)
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{
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hash["agent_id"] = agentID.ToString();
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if (agentHomeURI != null)
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hash["agent_home_uri"] = agentHomeURI;
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}
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IList paramList = new ArrayList();
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paramList.Add(hash);
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XmlRpcRequest request = new XmlRpcRequest("get_region", paramList);
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m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: contacting " + gatekeeper.ServerURI);
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XmlRpcResponse response = null;
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try
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{
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response = request.Send(gatekeeper.ServerURI, 10000);
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}
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catch (Exception e)
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{
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message = "Error contacting grid.";
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m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: Exception " + e.Message);
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return null;
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}
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if (response.IsFault)
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{
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message = "Error contacting grid.";
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m_log.ErrorFormat("[GATEKEEPER SERVICE CONNECTOR]: remote call returned an error: {0}", response.FaultString);
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return null;
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}
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hash = (Hashtable)response.Value;
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//foreach (Object o in hash)
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// m_log.Debug(">> " + ((DictionaryEntry)o).Key + ":" + ((DictionaryEntry)o).Value);
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try
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{
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bool success = false;
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Boolean.TryParse((string)hash["result"], out success);
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if (hash["message"] != null)
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message = (string)hash["message"];
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else if (success)
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message = null;
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else
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message = "The teleport destination could not be found."; // probably the dest grid is old and doesn't send 'message', but the most common problem is that the region is unavailable
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if (success)
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{
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GridRegion region = new GridRegion();
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UUID.TryParse((string)hash["uuid"], out region.RegionID);
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//m_log.Debug(">> HERE, uuid: " + region.RegionID);
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int n = 0;
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if (hash["x"] != null)
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{
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Int32.TryParse((string)hash["x"], out n);
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region.RegionLocX = n;
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//m_log.Debug(">> HERE, x: " + region.RegionLocX);
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}
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if (hash["y"] != null)
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{
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Int32.TryParse((string)hash["y"], out n);
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region.RegionLocY = n;
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//m_log.Debug(">> HERE, y: " + region.RegionLocY);
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}
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if (hash["size_x"] != null)
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{
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Int32.TryParse((string)hash["size_x"], out n);
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region.RegionSizeX = n;
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//m_log.Debug(">> HERE, x: " + region.RegionLocX);
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}
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if (hash["size_y"] != null)
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{
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Int32.TryParse((string)hash["size_y"], out n);
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region.RegionSizeY = n;
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//m_log.Debug(">> HERE, y: " + region.RegionLocY);
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}
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if (hash["region_name"] != null)
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{
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region.RegionName = (string)hash["region_name"];
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//m_log.Debug(">> HERE, region_name: " + region.RegionName);
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}
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if (hash["hostname"] != null)
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{
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region.ExternalHostName = (string)hash["hostname"];
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//m_log.Debug(">> HERE, hostname: " + region.ExternalHostName);
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}
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if (hash["http_port"] != null)
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{
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uint p = 0;
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UInt32.TryParse((string)hash["http_port"], out p);
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region.HttpPort = p;
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//m_log.Debug(">> HERE, http_port: " + region.HttpPort);
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}
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if (hash["internal_port"] != null)
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{
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int p = 0;
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Int32.TryParse((string)hash["internal_port"], out p);
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region.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), p);
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//m_log.Debug(">> HERE, internal_port: " + region.InternalEndPoint);
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}
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if (hash["server_uri"] != null)
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{
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region.ServerURI = (string)hash["server_uri"];
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//m_log.Debug(">> HERE, server_uri: " + region.ServerURI);
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}
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// Successful return
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return region;
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}
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}
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catch (Exception e)
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{
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message = "Error parsing response from grid.";
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m_log.Error("[GATEKEEPER SERVICE CONNECTOR]: Got exception while parsing hyperlink response " + e.StackTrace);
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return null;
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}
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return null;
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}
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}
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}
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