/* * 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.Drawing; using System.IO; 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 OpenMetaverse.StructuredData; using Nwc.XmlRpc; using log4net; using OpenSim.Services.Connectors.Simulation; 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/"; } protected override string ObjectPath() { return "foreignobject/"; } public bool LinkRegion(GridRegion info, out UUID regionID, out ulong realHandle, out string externalName, out string imageURL, out string reason) { regionID = UUID.Zero; imageURL = string.Empty; realHandle = 0; externalName = string.Empty; 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); m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: Linking to " + info.ServerURI); XmlRpcResponse response = null; try { response = request.Send(info.ServerURI, 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: " + regionID); 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"]; //m_log.Debug(">> HERE, imageURL: " + imageURL); } if (hash["external_name"] != null) { externalName = (string)hash["external_name"]; //m_log.Debug(">> HERE, externalName: " + externalName); } } } 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; } public UUID GetMapImage(UUID regionID, string imageURL, string storagePath) { if (m_AssetService == null) { m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: No AssetService defined. Map tile not retrieved."); return m_HGMapImage; } UUID mapTile = m_HGMapImage; string filename = string.Empty; try { WebClient c = new WebClient(); //m_log.Debug("JPEG: " + imageURL); string name = regionID.ToString(); filename = Path.Combine(storagePath, name + ".jpg"); m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: Map image at {0}, cached at {1}", imageURL, filename); if (!File.Exists(filename)) { m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: downloading..."); c.DownloadFile(imageURL, filename); } else { m_log.DebugFormat("[GATEKEEPER SERVICE CONNECTOR]: using cached image"); } byte[] imageData = null; using (Bitmap bitmap = new Bitmap(filename)) { //m_log.Debug("Size: " + m.PhysicalDimension.Height + "-" + m.PhysicalDimension.Width); imageData = OpenJPEG.EncodeFromImage(bitmap, true); } AssetBase ass = new AssetBase(UUID.Random(), "region " + name, (sbyte)AssetType.Texture, regionID.ToString()); // !!! for now //info.RegionSettings.TerrainImageID = ass.FullID; ass.Data = imageData; m_AssetService.Store(ass); // finally mapTile = ass.FullID; } catch // LEGIT: Catching problems caused by OpenJPEG p/invoke { m_log.Info("[GATEKEEPER SERVICE CONNECTOR]: Failed getting/storing map image, because it is probably already in the cache"); } return mapTile; } public GridRegion GetHyperlinkRegion(GridRegion gatekeeper, UUID regionID, UUID agentID, string agentHomeURI, out string message) { Hashtable hash = new Hashtable(); hash["region_uuid"] = regionID.ToString(); if (agentID != UUID.Zero) { hash["agent_id"] = agentID.ToString(); if (agentHomeURI != null) hash["agent_home_uri"] = agentHomeURI; } IList paramList = new ArrayList(); paramList.Add(hash); XmlRpcRequest request = new XmlRpcRequest("get_region", paramList); m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: contacting " + gatekeeper.ServerURI); XmlRpcResponse response = null; try { response = request.Send(gatekeeper.ServerURI, 10000); } catch (Exception e) { message = "Error contacting grid."; m_log.Debug("[GATEKEEPER SERVICE CONNECTOR]: Exception " + e.Message); return null; } if (response.IsFault) { message = "Error contacting grid."; 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 (hash["message"] != null) message = (string)hash["message"]; else if (success) message = null; else 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 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["size_x"] != null) { Int32.TryParse((string)hash["size_x"], out n); region.RegionSizeX = n; //m_log.Debug(">> HERE, x: " + region.RegionLocX); } if (hash["size_y"] != null) { Int32.TryParse((string)hash["size_y"], out n); region.RegionSizeY = n; //m_log.Debug(">> HERE, y: " + region.RegionLocY); } if (hash["region_name"] != null) { region.RegionName = (string)hash["region_name"]; //m_log.Debug(">> HERE, region_name: " + region.RegionName); } if (hash["hostname"] != null) { region.ExternalHostName = (string)hash["hostname"]; //m_log.Debug(">> HERE, hostname: " + region.ExternalHostName); } if (hash["http_port"] != null) { uint p = 0; UInt32.TryParse((string)hash["http_port"], out p); region.HttpPort = p; //m_log.Debug(">> HERE, http_port: " + region.HttpPort); } 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); //m_log.Debug(">> HERE, internal_port: " + region.InternalEndPoint); } if (hash["server_uri"] != null) { region.ServerURI = (string)hash["server_uri"]; //m_log.Debug(">> HERE, server_uri: " + region.ServerURI); } // Successful return return region; } } catch (Exception e) { message = "Error parsing response from grid."; m_log.Error("[GATEKEEPER SERVICE CONNECTOR]: Got exception while parsing hyperlink response " + e.StackTrace); return null; } return null; } } }