clockwerk-opensim – 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.IO; |
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30 | using System.Reflection; |
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31 | using System.Xml; |
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32 | using System.Xml.Serialization; |
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33 | using System.Text; |
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34 | using System.Collections.Generic; |
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35 | using log4net; |
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36 | using Nini.Config; |
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37 | using OpenSim.Framework; |
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38 | using OpenMetaverse; |
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39 | using Mono.Addins; |
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40 | using OpenSim.Framework.Servers.HttpServer; |
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41 | using OpenSim.Framework.Servers; |
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42 | |||
43 | |||
44 | [assembly:AddinRoot("Robust", "0.1")] |
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45 | namespace OpenSim.Server.Base |
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46 | { |
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47 | [TypeExtensionPoint(Path="/Robust/Connector", Name="RobustConnector")] |
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48 | public interface IRobustConnector |
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49 | { |
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50 | string ConfigName |
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51 | { |
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52 | get; |
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53 | } |
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54 | |||
55 | bool Enabled |
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56 | { |
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57 | get; |
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58 | } |
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59 | |||
60 | string PluginPath |
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61 | { |
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62 | get; |
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63 | set; |
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64 | } |
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65 | |||
66 | uint Configure(IConfigSource config); |
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67 | void Initialize(IHttpServer server); |
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68 | void Unload(); |
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69 | } |
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70 | |||
71 | public class PluginLoader |
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72 | { |
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73 | static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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74 | |||
75 | public AddinRegistry Registry |
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76 | { |
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77 | get; |
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78 | private set; |
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79 | } |
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80 | |||
81 | public IConfigSource Config |
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82 | { |
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83 | get; |
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84 | private set; |
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85 | } |
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86 | |||
87 | public PluginLoader(IConfigSource config, string registryPath) |
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88 | { |
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89 | Config = config; |
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90 | |||
91 | Registry = new AddinRegistry(registryPath, "."); |
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92 | suppress_console_output_(true); |
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93 | AddinManager.Initialize(registryPath); |
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94 | suppress_console_output_(false); |
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95 | AddinManager.Registry.Update(); |
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96 | CommandManager commandmanager = new CommandManager(Registry); |
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97 | AddinManager.AddExtensionNodeHandler("/Robust/Connector", OnExtensionChanged); |
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98 | } |
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99 | |||
100 | private static TextWriter prev_console_; |
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101 | // Temporarily masking the errors reported on start |
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102 | // This is caused by a non-managed dll in the ./bin dir |
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103 | // when the registry is initialized. The dll belongs to |
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104 | // libomv, which has a hard-coded path to "." for pinvoke |
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105 | // to load the openjpeg dll |
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106 | // |
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107 | // Will look for a way to fix, but for now this keeps the |
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108 | // confusion to a minimum. this was copied from our region |
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109 | // plugin loader, we have been doing this in there for a long time. |
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110 | // |
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111 | public void suppress_console_output_(bool save) |
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112 | { |
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113 | if (save) |
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114 | { |
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115 | prev_console_ = System.Console.Out; |
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116 | System.Console.SetOut(new StreamWriter(Stream.Null)); |
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117 | } |
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118 | else |
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119 | { |
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120 | if (prev_console_ != null) |
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121 | System.Console.SetOut(prev_console_); |
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122 | } |
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123 | } |
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124 | |||
125 | private void OnExtensionChanged(object s, ExtensionNodeEventArgs args) |
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126 | { |
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127 | IRobustConnector connector = (IRobustConnector)args.ExtensionObject; |
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128 | Addin a = Registry.GetAddin(args.ExtensionNode.Addin.Id); |
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129 | |||
130 | if(a == null) |
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131 | { |
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132 | Registry.Rebuild(null); |
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133 | a = Registry.GetAddin(args.ExtensionNode.Addin.Id); |
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134 | } |
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135 | |||
136 | switch(args.Change) |
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137 | { |
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138 | case ExtensionChange.Add: |
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139 | if (a.AddinFile.Contains(Registry.DefaultAddinsFolder)) |
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140 | { |
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141 | m_log.InfoFormat("[SERVER UTILS]: Adding {0} from registry", a.Name); |
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142 | connector.PluginPath = System.IO.Path.Combine(Registry.DefaultAddinsFolder,a.Name.Replace(',', '.')); } |
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143 | else |
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144 | { |
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145 | m_log.InfoFormat("[SERVER UTILS]: Adding {0} from ./bin", a.Name); |
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146 | connector.PluginPath = a.AddinFile; |
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147 | } |
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148 | LoadPlugin(connector); |
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149 | break; |
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150 | case ExtensionChange.Remove: |
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151 | m_log.InfoFormat("[SERVER UTILS]: Removing {0}", a.Name); |
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152 | UnloadPlugin(connector); |
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153 | break; |
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154 | } |
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155 | } |
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156 | |||
157 | private void LoadPlugin(IRobustConnector connector) |
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158 | { |
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159 | IHttpServer server = null; |
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160 | uint port = connector.Configure(Config); |
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161 | |||
162 | if(connector.Enabled) |
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163 | { |
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164 | server = GetServer(connector, port); |
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165 | connector.Initialize(server); |
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166 | } |
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167 | else |
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168 | { |
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169 | m_log.InfoFormat("[SERVER UTILS]: {0} Disabled.", connector.ConfigName); |
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170 | } |
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171 | } |
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172 | |||
173 | private void UnloadPlugin(IRobustConnector connector) |
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174 | { |
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175 | m_log.InfoFormat("[SERVER UTILS]: Unloading {0}", connector.ConfigName); |
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176 | |||
177 | connector.Unload(); |
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178 | } |
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179 | |||
180 | private IHttpServer GetServer(IRobustConnector connector, uint port) |
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181 | { |
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182 | IHttpServer server; |
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183 | |||
184 | if(port != 0) |
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185 | server = MainServer.GetHttpServer(port); |
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186 | else |
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187 | server = MainServer.Instance; |
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188 | |||
189 | return server; |
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190 | } |
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191 | } |
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192 | |||
193 | public static class ServerUtils |
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194 | { |
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195 | private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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196 | |||
197 | public static byte[] SerializeResult(XmlSerializer xs, object data) |
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198 | { |
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199 | using (MemoryStream ms = new MemoryStream()) |
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200 | using (XmlTextWriter xw = new XmlTextWriter(ms, Util.UTF8)) |
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201 | { |
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202 | xw.Formatting = Formatting.Indented; |
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203 | xs.Serialize(xw, data); |
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204 | xw.Flush(); |
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205 | |||
206 | ms.Seek(0, SeekOrigin.Begin); |
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207 | byte[] ret = ms.GetBuffer(); |
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208 | Array.Resize(ref ret, (int)ms.Length); |
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209 | |||
210 | return ret; |
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211 | } |
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212 | } |
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213 | |||
214 | /// <summary> |
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215 | /// Load a plugin from a dll with the given class or interface |
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216 | /// </summary> |
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217 | /// <param name="dllName"></param> |
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218 | /// <param name="args">The arguments which control which constructor is invoked on the plugin</param> |
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219 | /// <returns></returns> |
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220 | public static T LoadPlugin<T> (string dllName, Object[] args) where T:class |
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221 | { |
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222 | // This is good to debug configuration problems |
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223 | //if (dllName == string.Empty) |
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224 | // Util.PrintCallStack(); |
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225 | |||
226 | string className = String.Empty; |
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227 | |||
228 | // The path for a dynamic plugin will contain ":" on Windows |
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229 | string[] parts = dllName.Split (new char[] {':'}); |
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230 | |||
231 | if (parts [0].Length > 1) |
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232 | { |
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233 | dllName = parts [0]; |
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234 | if (parts.Length > 1) |
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235 | className = parts[1]; |
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236 | } |
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237 | else |
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238 | { |
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239 | // This is Windows - we must replace the ":" in the path |
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240 | dllName = String.Format ("{0}:{1}", parts [0], parts [1]); |
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241 | if (parts.Length > 2) |
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242 | className = parts[2]; |
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243 | } |
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244 | |||
245 | return LoadPlugin<T>(dllName, className, args); |
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246 | } |
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247 | |||
248 | /// <summary> |
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249 | /// Load a plugin from a dll with the given class or interface |
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250 | /// </summary> |
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251 | /// <param name="dllName"></param> |
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252 | /// <param name="className"></param> |
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253 | /// <param name="args">The arguments which control which constructor is invoked on the plugin</param> |
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254 | /// <returns></returns> |
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255 | public static T LoadPlugin<T>(string dllName, string className, Object[] args) where T:class |
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256 | { |
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257 | string interfaceName = typeof(T).ToString(); |
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258 | |||
259 | try |
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260 | { |
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261 | Assembly pluginAssembly = Assembly.LoadFrom(dllName); |
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262 | |||
263 | foreach (Type pluginType in pluginAssembly.GetTypes()) |
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264 | { |
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265 | if (pluginType.IsPublic) |
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266 | { |
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267 | if (className != String.Empty |
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268 | && pluginType.ToString() != pluginType.Namespace + "." + className) |
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269 | continue; |
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270 | |||
271 | Type typeInterface = pluginType.GetInterface(interfaceName, true); |
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272 | |||
273 | if (typeInterface != null) |
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274 | { |
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275 | T plug = null; |
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276 | try |
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277 | { |
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278 | plug = (T)Activator.CreateInstance(pluginType, |
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279 | args); |
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280 | } |
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281 | catch (Exception e) |
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282 | { |
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283 | if (!(e is System.MissingMethodException)) |
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284 | { |
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285 | m_log.Error(string.Format("[SERVER UTILS]: Error loading plugin {0} from {1}. Exception: {2}", |
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286 | interfaceName, |
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287 | dllName, |
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288 | e.InnerException == null ? e.Message : e.InnerException.Message), |
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289 | e); |
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290 | } |
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291 | m_log.ErrorFormat("[SERVER UTILS]: Error loading plugin {0}: {1} args.Length {2}", dllName, e.Message, args.Length); |
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292 | return null; |
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293 | } |
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294 | |||
295 | return plug; |
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296 | } |
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297 | } |
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298 | } |
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299 | |||
300 | return null; |
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301 | } |
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302 | catch (ReflectionTypeLoadException rtle) |
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303 | { |
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304 | m_log.Error(string.Format("[SERVER UTILS]: Error loading plugin from {0}:\n{1}", dllName, |
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305 | String.Join("\n", Array.ConvertAll(rtle.LoaderExceptions, e => e.ToString()))), |
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306 | rtle); |
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307 | return null; |
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308 | } |
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309 | catch (Exception e) |
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310 | { |
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311 | m_log.Error(string.Format("[SERVER UTILS]: Error loading plugin from {0}", dllName), e); |
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312 | return null; |
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313 | } |
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314 | } |
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315 | |||
316 | public static Dictionary<string, object> ParseQueryString(string query) |
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317 | { |
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318 | Dictionary<string, object> result = new Dictionary<string, object>(); |
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319 | string[] terms = query.Split(new char[] {'&'}); |
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320 | |||
321 | if (terms.Length == 0) |
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322 | return result; |
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323 | |||
324 | foreach (string t in terms) |
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325 | { |
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326 | string[] elems = t.Split(new char[] {'='}); |
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327 | if (elems.Length == 0) |
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328 | continue; |
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329 | |||
330 | string name = System.Web.HttpUtility.UrlDecode(elems[0]); |
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331 | string value = String.Empty; |
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332 | |||
333 | if (elems.Length > 1) |
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334 | value = System.Web.HttpUtility.UrlDecode(elems[1]); |
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335 | |||
336 | if (name.EndsWith("[]")) |
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337 | { |
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338 | string cleanName = name.Substring(0, name.Length - 2); |
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339 | if (result.ContainsKey(cleanName)) |
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340 | { |
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341 | if (!(result[cleanName] is List<string>)) |
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342 | continue; |
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343 | |||
344 | List<string> l = (List<string>)result[cleanName]; |
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345 | |||
346 | l.Add(value); |
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347 | } |
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348 | else |
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349 | { |
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350 | List<string> newList = new List<string>(); |
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351 | |||
352 | newList.Add(value); |
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353 | |||
354 | result[cleanName] = newList; |
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355 | } |
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356 | } |
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357 | else |
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358 | { |
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359 | if (!result.ContainsKey(name)) |
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360 | result[name] = value; |
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361 | } |
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362 | } |
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363 | |||
364 | return result; |
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365 | } |
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366 | |||
367 | public static string BuildQueryString(Dictionary<string, object> data) |
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368 | { |
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369 | string qstring = String.Empty; |
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370 | |||
371 | string part; |
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372 | |||
373 | foreach (KeyValuePair<string, object> kvp in data) |
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374 | { |
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375 | if (kvp.Value is List<string>) |
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376 | { |
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377 | List<string> l = (List<String>)kvp.Value; |
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378 | |||
379 | foreach (string s in l) |
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380 | { |
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381 | part = System.Web.HttpUtility.UrlEncode(kvp.Key) + |
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382 | "[]=" + System.Web.HttpUtility.UrlEncode(s); |
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383 | |||
384 | if (qstring != String.Empty) |
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385 | qstring += "&"; |
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386 | |||
387 | qstring += part; |
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388 | } |
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389 | } |
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390 | else |
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391 | { |
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392 | if (kvp.Value.ToString() != String.Empty) |
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393 | { |
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394 | part = System.Web.HttpUtility.UrlEncode(kvp.Key) + |
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395 | "=" + System.Web.HttpUtility.UrlEncode(kvp.Value.ToString()); |
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396 | } |
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397 | else |
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398 | { |
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399 | part = System.Web.HttpUtility.UrlEncode(kvp.Key); |
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400 | } |
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401 | |||
402 | if (qstring != String.Empty) |
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403 | qstring += "&"; |
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404 | |||
405 | qstring += part; |
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406 | } |
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407 | } |
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408 | |||
409 | return qstring; |
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410 | } |
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411 | |||
412 | public static string BuildXmlResponse(Dictionary<string, object> data) |
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413 | { |
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414 | XmlDocument doc = new XmlDocument(); |
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415 | |||
416 | XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration, |
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417 | "", ""); |
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418 | |||
419 | doc.AppendChild(xmlnode); |
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420 | |||
421 | XmlElement rootElement = doc.CreateElement("", "ServerResponse", |
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422 | ""); |
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423 | |||
424 | doc.AppendChild(rootElement); |
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425 | |||
426 | BuildXmlData(rootElement, data); |
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427 | |||
428 | return doc.InnerXml; |
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429 | } |
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430 | |||
431 | private static void BuildXmlData(XmlElement parent, Dictionary<string, object> data) |
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432 | { |
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433 | foreach (KeyValuePair<string, object> kvp in data) |
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434 | { |
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435 | if (kvp.Value == null) |
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436 | continue; |
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437 | |||
438 | XmlElement elem = parent.OwnerDocument.CreateElement("", |
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439 | XmlConvert.EncodeLocalName(kvp.Key), ""); |
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440 | |||
441 | if (kvp.Value is Dictionary<string, object>) |
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442 | { |
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443 | XmlAttribute type = parent.OwnerDocument.CreateAttribute("", |
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444 | "type", ""); |
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445 | type.Value = "List"; |
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446 | |||
447 | elem.Attributes.Append(type); |
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448 | |||
449 | BuildXmlData(elem, (Dictionary<string, object>)kvp.Value); |
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450 | } |
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451 | else |
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452 | { |
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453 | elem.AppendChild(parent.OwnerDocument.CreateTextNode( |
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454 | kvp.Value.ToString())); |
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455 | } |
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456 | |||
457 | parent.AppendChild(elem); |
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458 | } |
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459 | } |
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460 | |||
461 | public static Dictionary<string, object> ParseXmlResponse(string data) |
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462 | { |
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463 | //m_log.DebugFormat("[XXX]: received xml string: {0}", data); |
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464 | |||
465 | Dictionary<string, object> ret = new Dictionary<string, object>(); |
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466 | |||
467 | XmlDocument doc = new XmlDocument(); |
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468 | |||
469 | doc.LoadXml(data); |
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470 | |||
471 | XmlNodeList rootL = doc.GetElementsByTagName("ServerResponse"); |
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472 | |||
473 | if (rootL.Count != 1) |
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474 | return ret; |
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475 | |||
476 | XmlNode rootNode = rootL[0]; |
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477 | |||
478 | ret = ParseElement(rootNode); |
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479 | |||
480 | return ret; |
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481 | } |
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482 | |||
483 | private static Dictionary<string, object> ParseElement(XmlNode element) |
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484 | { |
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485 | Dictionary<string, object> ret = new Dictionary<string, object>(); |
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486 | |||
487 | XmlNodeList partL = element.ChildNodes; |
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488 | |||
489 | foreach (XmlNode part in partL) |
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490 | { |
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491 | XmlNode type = part.Attributes.GetNamedItem("type"); |
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492 | if (type == null || type.Value != "List") |
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493 | { |
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494 | ret[XmlConvert.DecodeName(part.Name)] = part.InnerText; |
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495 | } |
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496 | else |
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497 | { |
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498 | ret[XmlConvert.DecodeName(part.Name)] = ParseElement(part); |
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499 | } |
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500 | } |
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501 | |||
502 | return ret; |
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503 | } |
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504 | |||
505 | public static IConfig GetConfig(string configFile, string configName) |
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506 | { |
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507 | IConfig config; |
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508 | |||
509 | if (File.Exists(configFile)) |
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510 | { |
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511 | IConfigSource configsource = new IniConfigSource(configFile); |
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512 | config = configsource.Configs[configName]; |
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513 | } |
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514 | else |
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515 | config = null; |
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516 | |||
517 | return config; |
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518 | } |
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519 | |||
520 | public static IConfigSource LoadInitialConfig(string url) |
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521 | { |
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522 | IConfigSource source = new XmlConfigSource(); |
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523 | m_log.InfoFormat("[SERVER UTILS]: {0} is a http:// URI, fetching ...", url); |
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524 | |||
525 | // The ini file path is a http URI |
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526 | // Try to read it |
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527 | try |
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528 | { |
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529 | XmlReader r = XmlReader.Create(url); |
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530 | IConfigSource cs = new XmlConfigSource(r); |
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531 | source.Merge(cs); |
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532 | } |
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533 | catch (Exception e) |
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534 | { |
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535 | m_log.FatalFormat("[SERVER UTILS]: Exception reading config from URI {0}\n" + e.ToString(), url); |
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536 | Environment.Exit(1); |
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537 | } |
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538 | |||
539 | return source; |
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540 | } |
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541 | } |
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542 | } |