clockwerk-opensim-stable – Blame information for rev 1
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1 | vero | 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.Drawing; |
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30 | using System.IO; |
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31 | using System.Net; |
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32 | using Nini.Config; |
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33 | using OpenMetaverse; |
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34 | using OpenMetaverse.Imaging; |
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35 | using OpenSim.Region.CoreModules.Scripting.DynamicTexture; |
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36 | using OpenSim.Region.Framework.Interfaces; |
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37 | using OpenSim.Region.Framework.Scenes; |
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38 | using log4net; |
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39 | using System.Reflection; |
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40 | using Mono.Addins; |
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41 | |||
42 | namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL |
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43 | { |
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44 | [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "LoadImageURLModule")] |
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45 | public class LoadImageURLModule : ISharedRegionModule, IDynamicTextureRender |
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46 | { |
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47 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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48 | |||
49 | private string m_name = "LoadImageURL"; |
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50 | private Scene m_scene; |
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51 | private IDynamicTextureManager m_textureManager; |
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52 | |||
53 | private string m_proxyurl = ""; |
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54 | private string m_proxyexcepts = ""; |
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55 | |||
56 | #region IDynamicTextureRender Members |
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57 | |||
58 | public string GetName() |
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59 | { |
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60 | return m_name; |
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61 | } |
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62 | |||
63 | public string GetContentType() |
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64 | { |
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65 | return ("image"); |
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66 | } |
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67 | |||
68 | public bool SupportsAsynchronous() |
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69 | { |
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70 | return true; |
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71 | } |
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72 | |||
73 | // public bool AlwaysIdenticalConversion(string bodyData, string extraParams) |
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74 | // { |
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75 | // // We don't support conversion of body data. |
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76 | // return false; |
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77 | // } |
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78 | |||
79 | public IDynamicTexture ConvertUrl(string url, string extraParams) |
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80 | { |
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81 | return null; |
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82 | } |
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83 | |||
84 | public IDynamicTexture ConvertData(string bodyData, string extraParams) |
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85 | { |
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86 | return null; |
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87 | } |
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88 | |||
89 | public bool AsyncConvertUrl(UUID id, string url, string extraParams) |
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90 | { |
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91 | MakeHttpRequest(url, id); |
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92 | return true; |
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93 | } |
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94 | |||
95 | public bool AsyncConvertData(UUID id, string bodyData, string extraParams) |
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96 | { |
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97 | return false; |
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98 | } |
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99 | |||
100 | public void GetDrawStringSize(string text, string fontName, int fontSize, |
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101 | out double xSize, out double ySize) |
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102 | { |
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103 | xSize = 0; |
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104 | ySize = 0; |
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105 | } |
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106 | |||
107 | #endregion |
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108 | |||
109 | #region ISharedRegionModule Members |
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110 | |||
111 | public void Initialise(IConfigSource config) |
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112 | { |
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113 | m_proxyurl = config.Configs["Startup"].GetString("HttpProxy"); |
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114 | m_proxyexcepts = config.Configs["Startup"].GetString("HttpProxyExceptions"); |
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115 | } |
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116 | |||
117 | public void PostInitialise() |
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118 | { |
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119 | } |
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120 | |||
121 | public void AddRegion(Scene scene) |
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122 | { |
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123 | if (m_scene == null) |
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124 | m_scene = scene; |
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125 | |||
126 | } |
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127 | |||
128 | public void RemoveRegion(Scene scene) |
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129 | { |
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130 | } |
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131 | |||
132 | public void RegionLoaded(Scene scene) |
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133 | { |
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134 | if (m_textureManager == null && m_scene == scene) |
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135 | { |
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136 | m_textureManager = m_scene.RequestModuleInterface<IDynamicTextureManager>(); |
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137 | if (m_textureManager != null) |
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138 | { |
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139 | m_textureManager.RegisterRender(GetContentType(), this); |
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140 | } |
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141 | } |
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142 | } |
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143 | |||
144 | public void Close() |
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145 | { |
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146 | } |
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147 | |||
148 | public string Name |
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149 | { |
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150 | get { return m_name; } |
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151 | } |
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152 | |||
153 | public Type ReplaceableInterface |
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154 | { |
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155 | get { return null; } |
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156 | } |
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157 | |||
158 | #endregion |
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159 | |||
160 | private void MakeHttpRequest(string url, UUID requestID) |
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161 | { |
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162 | WebRequest request = HttpWebRequest.Create(url); |
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163 | |||
164 | if (m_proxyurl != null && m_proxyurl.Length > 0) |
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165 | { |
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166 | if (m_proxyexcepts != null && m_proxyexcepts.Length > 0) |
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167 | { |
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168 | string[] elist = m_proxyexcepts.Split(';'); |
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169 | request.Proxy = new WebProxy(m_proxyurl, true, elist); |
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170 | } |
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171 | else |
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172 | { |
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173 | request.Proxy = new WebProxy(m_proxyurl, true); |
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174 | } |
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175 | } |
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176 | |||
177 | RequestState state = new RequestState((HttpWebRequest) request, requestID); |
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178 | // IAsyncResult result = request.BeginGetResponse(new AsyncCallback(HttpRequestReturn), state); |
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179 | request.BeginGetResponse(new AsyncCallback(HttpRequestReturn), state); |
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180 | |||
181 | TimeSpan t = (DateTime.UtcNow - new DateTime(1970, 1, 1)); |
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182 | state.TimeOfRequest = (int) t.TotalSeconds; |
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183 | } |
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184 | |||
185 | private void HttpRequestReturn(IAsyncResult result) |
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186 | { |
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187 | if (m_textureManager == null) |
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188 | { |
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189 | m_log.WarnFormat("[LOADIMAGEURLMODULE]: No texture manager. Can't function."); |
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190 | return; |
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191 | } |
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192 | |||
193 | RequestState state = (RequestState) result.AsyncState; |
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194 | WebRequest request = (WebRequest) state.Request; |
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195 | Stream stream = null; |
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196 | byte[] imageJ2000 = new byte[0]; |
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197 | Size newSize = new Size(0, 0); |
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198 | |||
199 | try |
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200 | { |
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201 | HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(result); |
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202 | if (response != null && response.StatusCode == HttpStatusCode.OK) |
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203 | { |
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204 | stream = response.GetResponseStream(); |
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205 | if (stream != null) |
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206 | { |
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207 | try |
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208 | { |
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209 | Bitmap image = new Bitmap(stream); |
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210 | |||
211 | // TODO: make this a bit less hard coded |
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212 | if ((image.Height < 64) && (image.Width < 64)) |
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213 | { |
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214 | newSize.Width = 32; |
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215 | newSize.Height = 32; |
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216 | } |
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217 | else if ((image.Height < 128) && (image.Width < 128)) |
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218 | { |
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219 | newSize.Width = 64; |
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220 | newSize.Height = 64; |
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221 | } |
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222 | else if ((image.Height < 256) && (image.Width < 256)) |
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223 | { |
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224 | newSize.Width = 128; |
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225 | newSize.Height = 128; |
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226 | } |
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227 | else if ((image.Height < 512 && image.Width < 512)) |
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228 | { |
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229 | newSize.Width = 256; |
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230 | newSize.Height = 256; |
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231 | } |
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232 | else if ((image.Height < 1024 && image.Width < 1024)) |
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233 | { |
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234 | newSize.Width = 512; |
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235 | newSize.Height = 512; |
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236 | } |
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237 | else |
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238 | { |
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239 | newSize.Width = 1024; |
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240 | newSize.Height = 1024; |
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241 | } |
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242 | |||
243 | using (Bitmap resize = new Bitmap(image, newSize)) |
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244 | { |
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245 | imageJ2000 = OpenJPEG.EncodeFromImage(resize, true); |
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246 | } |
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247 | } |
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248 | catch (Exception) |
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249 | { |
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250 | m_log.Error("[LOADIMAGEURLMODULE]: OpenJpeg Conversion Failed. Empty byte data returned!"); |
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251 | } |
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252 | } |
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253 | else |
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254 | { |
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255 | m_log.WarnFormat("[LOADIMAGEURLMODULE] No data returned"); |
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256 | } |
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257 | } |
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258 | } |
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259 | catch (WebException) |
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260 | { |
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261 | } |
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262 | finally |
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263 | { |
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264 | if (stream != null) |
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265 | { |
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266 | stream.Close(); |
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267 | } |
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268 | } |
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269 | |||
270 | m_log.DebugFormat("[LOADIMAGEURLMODULE]: Returning {0} bytes of image data for request {1}", |
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271 | imageJ2000.Length, state.RequestID); |
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272 | |||
273 | m_textureManager.ReturnData( |
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274 | state.RequestID, |
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275 | new OpenSim.Region.CoreModules.Scripting.DynamicTexture.DynamicTexture( |
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276 | request.RequestUri, null, imageJ2000, newSize, false)); |
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277 | } |
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278 | |||
279 | #region Nested type: RequestState |
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280 | |||
281 | public class RequestState |
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282 | { |
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283 | public HttpWebRequest Request = null; |
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284 | public UUID RequestID = UUID.Zero; |
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285 | public int TimeOfRequest = 0; |
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286 | |||
287 | public RequestState(HttpWebRequest request, UUID requestID) |
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288 | { |
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289 | Request = request; |
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290 | RequestID = requestID; |
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291 | } |
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292 | } |
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293 | |||
294 | #endregion |
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295 | } |
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296 | } |