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Moved the map tile processing used by the Simian Grid 

Frontend into a separate region module. Configuration
settings added to the defaults ini file. Others may find
this useful for pushing map tiles to a separate server.
viewer-2-initial-appearance
Mic Bowman 2011-01-08 13:33:07 -08:00
parent d3ebf64369
commit df7fb207a8
3 changed files with 269 additions and 86 deletions
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261
OpenSim/Services/Connectors/SimianGrid/SimianGridMaptileModule.cs Normal file
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@ -0,0 +1,261 @@
/*
* 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.Generic;
using System.Reflection;
using System.Net;
using System.IO;
using System.Timers;
using System.Drawing;
using System.Drawing.Imaging;
using log4net;
using Mono.Addins;
using Nini.Config;
using OpenSim.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
namespace OpenSim.Region.OptionalModules.Simian
{
/// <summary>
/// </summary>
/// <remarks>
/// </remarks>
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "SimianGridMaptile")]
public class SimianGridMaptile : ISharedRegionModule
{
private static readonly ILog m_log =
LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private bool m_enabled = false;
private string m_serverUrl = String.Empty;
private Dictionary<UUID, Scene> m_scenes = new Dictionary<UUID, Scene>();
private int m_refreshtime = 0;
private int m_lastrefresh = 0;
private System.Timers.Timer m_refreshTimer = new System.Timers.Timer();
#region ISharedRegionModule
public Type ReplaceableInterface { get { return null; } }
public string Name { get { return "SimianGridMaptile"; } }
public void RegionLoaded(Scene scene) { }
public void Close() { }
///<summary>
///
///</summary>
public void Initialise(IConfigSource source)
{
IConfig config = source.Configs["SimianGridMaptiles"];
if (config == null)
return;
if (! config.GetBoolean("Enabled", false))
return;
m_serverUrl = config.GetString("MaptileURL");
if (String.IsNullOrEmpty(m_serverUrl))
return;
m_refreshtime = Convert.ToInt32(config.GetString("RefreshTime"));
if (m_refreshtime <= 0)
return;
m_log.InfoFormat("[SIMIAN MAPTILE] enabled with refresh timeout {0} and URL {1}",
m_refreshtime,m_serverUrl);
m_enabled = true;
}
///<summary>
///
///</summary>
public void PostInitialise()
{
if (m_enabled)
{
m_refreshTimer.Enabled = true;
m_refreshTimer.AutoReset = true;
m_refreshTimer.Interval = 5 * 60 * 1000; // every 5 minutes
m_refreshTimer.Elapsed += new ElapsedEventHandler(HandleMaptileRefresh);
}
}
///<summary>
///
///</summary>
public void AddRegion(Scene scene)
{
if (! m_enabled)
return;
// Every shared region module has to maintain an indepedent list of
// currently running regions
lock (m_scenes)
m_scenes[scene.RegionInfo.RegionID] = scene;
}
///<summary>
///
///</summary>
public void RemoveRegion(Scene scene)
{
if (! m_enabled)
return;
lock (m_scenes)
m_scenes.Remove(scene.RegionInfo.RegionID);
}
#endregion ISharedRegionModule
///<summary>
///
///</summary>
private void HandleMaptileRefresh(object sender, EventArgs ea)
{
// this approach is a bit convoluted becase we want to wait for the
// first upload to happen on startup but after all the objects are
// loaded and initialized
if (m_lastrefresh > 0 && Util.EnvironmentTickCountSubtract(m_lastrefresh) < m_refreshtime)
return;
m_log.DebugFormat("[SIMIAN MAPTILE] map refresh fired");
lock (m_scenes)
{
foreach (IScene scene in m_scenes.Values)
{
try
{
UploadMapTile(scene);
}
catch (Exception ex)
{
m_log.WarnFormat("[SIMIAN MAPTILE] something bad happened {0}",ex.Message);
}
}
}
m_lastrefresh = Util.EnvironmentTickCount();
}
///<summary>
///
///</summary>
private void UploadMapTile(IScene scene)
{
m_log.DebugFormat("[SIMIAN MAPTILE]: upload maptile for {0}",scene.RegionInfo.RegionName);
// Create a PNG map tile and upload it to the AddMapTile API
byte[] pngData = Utils.EmptyBytes;
IMapImageGenerator tileGenerator = scene.RequestModuleInterface<IMapImageGenerator>();
if (tileGenerator == null)
{
m_log.Warn("[SIMIAN MAPTILE]: Cannot upload PNG map tile without an ImageGenerator");
return;
}
using (Image mapTile = tileGenerator.CreateMapTile())
{
using (MemoryStream stream = new MemoryStream())
{
mapTile.Save(stream, ImageFormat.Png);
pngData = stream.ToArray();
}
}
List<MultipartForm.Element> postParameters = new List<MultipartForm.Element>()
{
new MultipartForm.Parameter("X", scene.RegionInfo.RegionLocX.ToString()),
new MultipartForm.Parameter("Y", scene.RegionInfo.RegionLocY.ToString()),
new MultipartForm.File("Tile", "tile.png", "image/png", pngData)
};
string errorMessage = null;
int tickstart = Util.EnvironmentTickCount();
// Make the remote storage request
try
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(m_serverUrl);
request.Timeout = 20000;
request.ReadWriteTimeout = 5000;
using (HttpWebResponse response = MultipartForm.Post(request, postParameters))
{
using (Stream responseStream = response.GetResponseStream())
{
string responseStr = responseStream.GetStreamString();
OSD responseOSD = OSDParser.Deserialize(responseStr);
if (responseOSD.Type == OSDType.Map)
{
OSDMap responseMap = (OSDMap)responseOSD;
if (responseMap["Success"].AsBoolean())
return;
errorMessage = "Upload failed: " + responseMap["Message"].AsString();
}
else
{
errorMessage = "Response format was invalid:\n" + responseStr;
}
}
}
}
catch (WebException we)
{
errorMessage = we.Message;
if (we.Status == WebExceptionStatus.ProtocolError)
{
HttpWebResponse webResponse = (HttpWebResponse)we.Response;
errorMessage = String.Format("[{0}] {1}",
webResponse.StatusCode,webResponse.StatusDescription);
}
}
catch (Exception ex)
{
errorMessage = ex.Message;
}
finally
{
// This just dumps a warning for any operation that takes more than 100 ms
int tickdiff = Util.EnvironmentTickCountSubtract(tickstart);
m_log.DebugFormat("[SIMIAN MAPTILE]: map tile uploaded in {0}ms",tickdiff);
}
m_log.WarnFormat("[SIMIAN MAPTILE]: Failed to store {0} byte tile for {1}: {2}",
pngData.Length, scene.RegionInfo.RegionName, errorMessage);
}
}
}

86
OpenSim/Services/Connectors/SimianGrid/SimianGridServiceConnector.cs
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@ -28,8 +28,6 @@
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Net;
using System.Reflection;
@ -102,13 +100,6 @@ namespace OpenSim.Services.Connectors.SimianGrid
public string RegisterRegion(UUID scopeID, GridRegion regionInfo)
{
// Generate and upload our map tile in PNG format to the SimianGrid AddMapTile service
// Scene scene;
// if (m_scenes.TryGetValue(regionInfo.RegionID, out scene))
// UploadMapTile(scene);
// else
// m_log.Warn("Registering region " + regionInfo.RegionName + " (" + regionInfo.RegionID + ") that we are not tracking");
Vector3d minPosition = new Vector3d(regionInfo.RegionLocX, regionInfo.RegionLocY, 0.0);
Vector3d maxPosition = minPosition + new Vector3d(Constants.RegionSize, Constants.RegionSize, 4096.0);
@ -380,83 +371,6 @@ namespace OpenSim.Services.Connectors.SimianGrid
#endregion IGridService
private void UploadMapTile(IScene scene)
{
string errorMessage = null;
// Create a PNG map tile and upload it to the AddMapTile API
byte[] pngData = Utils.EmptyBytes;
IMapImageGenerator tileGenerator = scene.RequestModuleInterface<IMapImageGenerator>();
if (tileGenerator == null)
{
m_log.Warn("[SIMIAN GRID CONNECTOR]: Cannot upload PNG map tile without an IMapImageGenerator");
return;
}
using (Image mapTile = tileGenerator.CreateMapTile())
{
using (MemoryStream stream = new MemoryStream())
{
mapTile.Save(stream, ImageFormat.Png);
pngData = stream.ToArray();
}
}
List<MultipartForm.Element> postParameters = new List<MultipartForm.Element>()
{
new MultipartForm.Parameter("X", scene.RegionInfo.RegionLocX.ToString()),
new MultipartForm.Parameter("Y", scene.RegionInfo.RegionLocY.ToString()),
new MultipartForm.File("Tile", "tile.png", "image/png", pngData)
};
// Make the remote storage request
try
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(m_ServerURI);
HttpWebResponse response = MultipartForm.Post(request, postParameters);
using (Stream responseStream = response.GetResponseStream())
{
string responseStr = null;
try
{
responseStr = responseStream.GetStreamString();
OSD responseOSD = OSDParser.Deserialize(responseStr);
if (responseOSD.Type == OSDType.Map)
{
OSDMap responseMap = (OSDMap)responseOSD;
if (responseMap["Success"].AsBoolean())
m_log.Info("[SIMIAN GRID CONNECTOR]: Uploaded " + pngData.Length + " byte PNG map tile to AddMapTile");
else
errorMessage = "Upload failed: " + responseMap["Message"].AsString();
}
else
{
errorMessage = "Response format was invalid:\n" + responseStr;
}
}
catch (Exception ex)
{
if (!String.IsNullOrEmpty(responseStr))
errorMessage = "Failed to parse the response:\n" + responseStr;
else
errorMessage = "Failed to retrieve the response: " + ex.Message;
}
}
}
catch (WebException ex)
{
errorMessage = ex.Message;
}
if (!String.IsNullOrEmpty(errorMessage))
{
m_log.WarnFormat("[SIMIAN GRID CONNECTOR]: Failed to store {0} byte PNG map tile for {1}: {2}",
pngData.Length, scene.RegionInfo.RegionName, errorMessage.Replace('\n', ' '));
}
}
private GridRegion GetNearestRegion(Vector3d position, bool onlyEnabled)
{
NameValueCollection requestArgs = new NameValueCollection

8
bin/OpenSimDefaults.ini
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@ -1240,6 +1240,14 @@
; Enable media on a prim facilities
Enabled = true;
;;
;; If you are using a simian grid frontend you can enable
;; this module to upload tile images for the mapping fn
;;
[SimianGridMaptiles]
Enabled = False
MaptileURL = "http://www.mygrid.com/Grid/"
RefreshTime = 3600
;;
;; These are defaults that are overwritten below in [Architecture].