opensim-development – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using System.Collections.Generic; |
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30 | using System.Collections.Specialized; |
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31 | using System.Reflection; |
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32 | using System.Net; |
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33 | using System.IO; |
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34 | using System.Timers; |
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35 | using System.Drawing; |
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36 | using System.Drawing.Imaging; |
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37 | |||
38 | using log4net; |
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39 | using Mono.Addins; |
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40 | using Nini.Config; |
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41 | using OpenSim.Framework; |
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42 | using OpenSim.Region.Framework.Interfaces; |
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43 | using OpenSim.Region.Framework.Scenes; |
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44 | using OpenMetaverse; |
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45 | using OpenMetaverse.StructuredData; |
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46 | |||
47 | //namespace OpenSim.Region.OptionalModules.Simian |
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48 | namespace OpenSim.Services.Connectors.SimianGrid |
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49 | { |
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50 | /// <summary> |
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51 | /// </summary> |
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52 | /// <remarks> |
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53 | /// </remarks> |
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54 | |||
55 | [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "SimianGridMaptile")] |
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56 | public class SimianGridMaptile : ISharedRegionModule |
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57 | { |
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58 | private static readonly ILog m_log = |
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59 | LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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60 | |||
61 | private bool m_enabled = false; |
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62 | private string m_serverUrl = String.Empty; |
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63 | private Dictionary<UUID, Scene> m_scenes = new Dictionary<UUID, Scene>(); |
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64 | |||
65 | private int m_refreshtime = 0; |
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66 | private int m_lastrefresh = 0; |
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67 | private System.Timers.Timer m_refreshTimer = new System.Timers.Timer(); |
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68 | |||
69 | #region ISharedRegionModule |
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70 | |||
71 | public Type ReplaceableInterface { get { return null; } } |
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72 | public string Name { get { return "SimianGridMaptile"; } } |
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73 | public void RegionLoaded(Scene scene) { } |
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74 | public void Close() { } |
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75 | |||
76 | ///<summary> |
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77 | /// |
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78 | ///</summary> |
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79 | public void Initialise(IConfigSource source) |
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80 | { |
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81 | IConfig config = source.Configs["SimianGridMaptiles"]; |
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82 | if (config == null) |
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83 | return; |
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84 | |||
85 | if (! config.GetBoolean("Enabled", false)) |
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86 | return; |
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87 | |||
88 | m_serverUrl = config.GetString("MaptileURL"); |
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89 | if (String.IsNullOrEmpty(m_serverUrl)) |
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90 | return; |
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91 | |||
92 | int refreshseconds = Convert.ToInt32(config.GetString("RefreshTime")); |
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93 | if (refreshseconds <= 0) |
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94 | return; |
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95 | |||
96 | m_refreshtime = refreshseconds * 1000; // convert from seconds to ms |
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97 | m_log.InfoFormat("[SIMIAN MAPTILE] enabled with refresh timeout {0} and URL {1}", |
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98 | m_refreshtime,m_serverUrl); |
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99 | |||
100 | m_enabled = true; |
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101 | } |
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102 | |||
103 | ///<summary> |
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104 | /// |
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105 | ///</summary> |
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106 | public void PostInitialise() |
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107 | { |
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108 | if (m_enabled) |
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109 | { |
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110 | m_refreshTimer.Enabled = true; |
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111 | m_refreshTimer.AutoReset = true; |
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112 | m_refreshTimer.Interval = 5 * 60 * 1000; // every 5 minutes |
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113 | m_refreshTimer.Elapsed += new ElapsedEventHandler(HandleMaptileRefresh); |
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114 | } |
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115 | } |
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116 | |||
117 | |||
118 | ///<summary> |
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119 | /// |
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120 | ///</summary> |
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121 | public void AddRegion(Scene scene) |
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122 | { |
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123 | if (! m_enabled) |
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124 | return; |
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125 | |||
126 | // Every shared region module has to maintain an indepedent list of |
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127 | // currently running regions |
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128 | lock (m_scenes) |
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129 | m_scenes[scene.RegionInfo.RegionID] = scene; |
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130 | } |
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131 | |||
132 | ///<summary> |
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133 | /// |
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134 | ///</summary> |
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135 | public void RemoveRegion(Scene scene) |
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136 | { |
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137 | if (! m_enabled) |
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138 | return; |
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139 | |||
140 | lock (m_scenes) |
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141 | m_scenes.Remove(scene.RegionInfo.RegionID); |
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142 | } |
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143 | |||
144 | #endregion ISharedRegionModule |
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145 | |||
146 | ///<summary> |
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147 | /// |
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148 | ///</summary> |
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149 | private void HandleMaptileRefresh(object sender, EventArgs ea) |
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150 | { |
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151 | // this approach is a bit convoluted becase we want to wait for the |
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152 | // first upload to happen on startup but after all the objects are |
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153 | // loaded and initialized |
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154 | if (m_lastrefresh > 0 && Util.EnvironmentTickCountSubtract(m_lastrefresh) < m_refreshtime) |
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155 | return; |
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156 | |||
157 | m_log.DebugFormat("[SIMIAN MAPTILE] map refresh fired"); |
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158 | lock (m_scenes) |
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159 | { |
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160 | foreach (IScene scene in m_scenes.Values) |
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161 | { |
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162 | try |
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163 | { |
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164 | UploadMapTile(scene); |
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165 | } |
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166 | catch (Exception ex) |
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167 | { |
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168 | m_log.WarnFormat("[SIMIAN MAPTILE] something bad happened {0}",ex.Message); |
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169 | } |
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170 | } |
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171 | } |
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172 | |||
173 | m_lastrefresh = Util.EnvironmentTickCount(); |
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174 | } |
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175 | |||
176 | ///<summary> |
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177 | /// |
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178 | ///</summary> |
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179 | private void UploadMapTile(IScene scene) |
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180 | { |
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181 | m_log.DebugFormat("[SIMIAN MAPTILE]: upload maptile for {0}",scene.RegionInfo.RegionName); |
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182 | |||
183 | // Create a PNG map tile and upload it to the AddMapTile API |
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184 | IMapImageGenerator tileGenerator = scene.RequestModuleInterface<IMapImageGenerator>(); |
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185 | if (tileGenerator == null) |
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186 | { |
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187 | m_log.Warn("[SIMIAN MAPTILE]: Cannot upload PNG map tile without an ImageGenerator"); |
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188 | return; |
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189 | } |
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190 | |||
191 | using (Bitmap mapTile = tileGenerator.CreateMapTile()) |
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192 | { |
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193 | if (mapTile != null) |
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194 | { |
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195 | // If the region/maptile is legacy sized, just upload the one tile like it has always been done |
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196 | if (mapTile.Width == Constants.RegionSize && mapTile.Height == Constants.RegionSize) |
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197 | { |
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198 | ConvertAndUploadMaptile(mapTile, scene.RegionInfo.RegionLocX, scene.RegionInfo.RegionLocY); |
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199 | } |
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200 | else |
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201 | { |
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202 | // For larger regions (varregion) we must cut the region image into legacy sized |
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203 | // pieces since that is how the maptile system works. |
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204 | // Note the assumption that varregions are always a multiple of legacy size. |
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205 | for (uint xx = 0; xx < mapTile.Width; xx += Constants.RegionSize) |
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206 | { |
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207 | for (uint yy = 0; yy < mapTile.Height; yy += Constants.RegionSize) |
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208 | { |
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209 | // Images are addressed from the upper left corner so have to do funny |
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210 | // math to pick out the sub-tile since regions are numbered from |
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211 | // the lower left. |
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212 | Rectangle rect = new Rectangle( |
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213 | (int)xx, |
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214 | mapTile.Height - (int)yy - (int)Constants.RegionSize, |
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215 | (int)Constants.RegionSize, (int)Constants.RegionSize); |
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216 | |||
217 | using (Bitmap subMapTile = mapTile.Clone(rect, mapTile.PixelFormat)) |
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218 | { |
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219 | uint locX = scene.RegionInfo.RegionLocX + (xx / Constants.RegionSize); |
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220 | uint locY = scene.RegionInfo.RegionLocY + (yy / Constants.RegionSize); |
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221 | |||
222 | ConvertAndUploadMaptile(subMapTile, locX, locY); |
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223 | } |
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224 | } |
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225 | } |
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226 | } |
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227 | } |
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228 | else |
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229 | { |
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230 | m_log.WarnFormat("[SIMIAN MAPTILE] Tile image generation failed"); |
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231 | } |
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232 | } |
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233 | |||
234 | } |
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235 | |||
236 | ///<summary> |
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237 | /// |
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238 | ///</summary> |
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239 | private void ConvertAndUploadMaptile(Image mapTile, uint locX, uint locY) |
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240 | { |
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241 | //m_log.DebugFormat("[SIMIAN MAPTILE]: upload maptile for location {0}, {1}", locX, locY); |
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242 | |||
243 | byte[] pngData = Utils.EmptyBytes; |
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244 | using (MemoryStream stream = new MemoryStream()) |
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245 | { |
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246 | mapTile.Save(stream, ImageFormat.Png); |
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247 | pngData = stream.ToArray(); |
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248 | } |
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249 | |||
250 | NameValueCollection requestArgs = new NameValueCollection |
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251 | { |
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252 | { "RequestMethod", "xAddMapTile" }, |
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253 | { "X", locX.ToString() }, |
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254 | { "Y", locY.ToString() }, |
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255 | { "ContentType", "image/png" }, |
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256 | { "EncodedData", System.Convert.ToBase64String(pngData) } |
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257 | }; |
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258 | |||
259 | OSDMap response = SimianGrid.PostToService(m_serverUrl,requestArgs); |
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260 | if (! response["Success"].AsBoolean()) |
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261 | { |
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262 | m_log.WarnFormat("[SIMIAN MAPTILE] failed to store map tile; {0}",response["Message"].AsString()); |
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263 | } |
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264 | } |
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265 | } |
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266 | } |