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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;
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);
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"];
if (hash["external_name"] != null)
externalName = (string)hash["external_name"];
}
}
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, regionID.ToString());
// !!! 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;
}
}
}
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