corrade-vassal – Blame information for rev 1
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1 | vero | 1 | /* |
2 | * Copyright (c) 2006-2014, openmetaverse.org |
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3 | * All rights reserved. |
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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 | * |
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8 | * - Redistributions of source code must retain the above copyright notice, this |
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9 | * list of conditions and the following disclaimer. |
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10 | * - Neither the name of the openmetaverse.org nor the names |
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11 | * of its contributors may be used to endorse or promote products derived from |
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12 | * this software without specific prior written permission. |
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13 | * |
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14 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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15 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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18 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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19 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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20 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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21 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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22 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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23 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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24 | * POSSIBILITY OF SUCH DAMAGE. |
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25 | */ |
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26 | |||
27 | //#define SMARTHREADPOOL_REF |
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28 | |||
29 | using System; |
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30 | using System.IO; |
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31 | using System.Reflection; |
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32 | |||
33 | #if SMARTHREADPOOL_REF |
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34 | using Amib.Threading; |
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35 | #else |
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36 | using System.Threading; |
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37 | #endif |
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38 | |||
39 | namespace OpenMetaverse |
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40 | { |
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41 | |||
42 | // Use statically referenced SmartThreadPool.dll |
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43 | #if SMARTHREADPOOL_REF |
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44 | public static class WorkPool |
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45 | { |
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46 | internal static SmartThreadPool Pool = null; |
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47 | |||
48 | public static bool Init(bool useSmartThredPool) |
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49 | { |
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50 | if (Pool == null) |
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51 | { |
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52 | STPStartInfo param = new STPStartInfo(); |
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53 | param.MinWorkerThreads = 2; |
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54 | param.MaxWorkerThreads = 50; |
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55 | param.ThreadPoolName = "LibOpenMetaverse Main ThreadPool"; |
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56 | param.AreThreadsBackground = true; |
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57 | |||
58 | Pool = new SmartThreadPool(param); |
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59 | } |
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60 | return true; |
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61 | } |
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62 | |||
63 | public static void Shutdown() |
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64 | { |
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65 | if (Pool != null) |
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66 | { |
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67 | Pool.Shutdown(); |
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68 | Pool = null; |
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69 | } |
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70 | } |
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71 | |||
72 | public static void QueueUserWorkItem(System.Threading.WaitCallback callback) |
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73 | { |
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74 | if (Pool != null) |
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75 | { |
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76 | Pool.QueueWorkItem(state => { callback.Invoke(state); return null; }); |
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77 | } |
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78 | else |
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79 | { |
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80 | System.Threading.ThreadPool.QueueUserWorkItem(state => callback.Invoke(state)); |
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81 | } |
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82 | } |
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83 | |||
84 | public static void QueueUserWorkItem(System.Threading.WaitCallback callback, object state) |
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85 | { |
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86 | if (Pool != null) |
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87 | { |
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88 | Pool.QueueWorkItem(sync => { callback.Invoke(sync); return null; }, state); |
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89 | } |
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90 | else |
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91 | { |
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92 | System.Threading.ThreadPool.QueueUserWorkItem(sync => callback.Invoke(sync), state); |
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93 | } |
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94 | } |
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95 | } |
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96 | |||
97 | #else |
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98 | |||
99 | // Try to load SmartThreadPool.dll during initialization |
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100 | // Fallback to System.Threading.ThreadPool if that fails |
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101 | public static class WorkPoolDynamic |
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102 | { |
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103 | internal static object Pool = null; |
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104 | |||
105 | private static Type SmartThreadPoolType; |
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106 | private static Type WorkItemCallbackType; |
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107 | private static MethodInfo QueueWorkItemFunc, QueueWorkItemFunc2; |
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108 | private static MethodInfo ShutdownFunc; |
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109 | private static Func<System.Threading.WaitCallback, object, object> Invoker; |
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110 | |||
111 | public static bool Init() |
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112 | { |
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113 | try |
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114 | { |
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115 | string dir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location); |
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116 | Assembly assembly = Assembly.LoadFile(Path.Combine(dir, "SmartThreadPool.dll")); |
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117 | Type STPStartInfo = assembly.GetType("Amib.Threading.STPStartInfo"); |
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118 | SmartThreadPoolType = assembly.GetType("Amib.Threading.SmartThreadPool"); |
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119 | WorkItemCallbackType = assembly.GetType("Amib.Threading.WorkItemCallback"); |
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120 | var param = Activator.CreateInstance(STPStartInfo); |
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121 | STPStartInfo.GetProperty("MinWorkerThreads").SetValue(param, 2, null); |
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122 | STPStartInfo.GetProperty("MaxWorkerThreads").SetValue(param, 50, null); |
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123 | STPStartInfo.GetProperty("ThreadPoolName").SetValue(param, "LibOpenMetaverse Main ThreadPool", null); |
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124 | STPStartInfo.GetProperty("AreThreadsBackground").SetValue(param, true, null); |
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125 | STPStartInfo.GetProperty("MinWorkerThreads").SetValue(param, 2, null); |
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126 | Pool = Activator.CreateInstance(SmartThreadPoolType, new object[] { param }); |
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127 | QueueWorkItemFunc = SmartThreadPoolType.GetMethod("QueueWorkItem", new Type[] { WorkItemCallbackType }); |
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128 | QueueWorkItemFunc2 = SmartThreadPoolType.GetMethod("QueueWorkItem", new Type[] { WorkItemCallbackType, typeof(object) }); |
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129 | ShutdownFunc = SmartThreadPoolType.GetMethod("Shutdown", new Type[] { }); |
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130 | |||
131 | Invoker = (inv, state) => |
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132 | { |
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133 | inv.Invoke(state); |
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134 | return null; |
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135 | }; |
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136 | |||
137 | return true; |
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138 | } |
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139 | catch |
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140 | { |
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141 | Pool = null; |
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142 | return false; |
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143 | } |
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144 | } |
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145 | |||
146 | public static void Shutdown() |
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147 | { |
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148 | if (Pool != null) |
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149 | { |
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150 | ShutdownFunc.Invoke(Pool, null); |
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151 | Pool = null; |
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152 | } |
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153 | } |
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154 | |||
155 | |||
156 | public static void QueueUserWorkItem(System.Threading.WaitCallback callback) |
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157 | { |
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158 | if (Pool != null) |
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159 | { |
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160 | QueueWorkItemFunc.Invoke(Pool, new object[] { Delegate.CreateDelegate(WorkItemCallbackType, callback, Invoker.Method) }); |
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161 | } |
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162 | else |
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163 | { |
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164 | System.Threading.ThreadPool.QueueUserWorkItem(state => callback.Invoke(state)); |
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165 | } |
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166 | } |
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167 | |||
168 | public static void QueueUserWorkItem(System.Threading.WaitCallback callback, object state) |
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169 | { |
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170 | if (Pool != null) |
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171 | { |
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172 | QueueWorkItemFunc2.Invoke(Pool, new object[] { Delegate.CreateDelegate(WorkItemCallbackType, callback, Invoker.Method), state }); |
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173 | } |
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174 | else |
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175 | { |
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176 | System.Threading.ThreadPool.QueueUserWorkItem(sync => callback.Invoke(sync), state); |
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177 | } |
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178 | } |
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179 | } |
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180 | |||
181 | |||
182 | public static class WorkPool |
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183 | { |
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184 | private static bool UseSmartThreadPool = false; |
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185 | |||
186 | public static bool Init(bool useSmartThredPool) |
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187 | { |
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188 | if (useSmartThredPool) |
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189 | { |
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190 | if (WorkPoolDynamic.Init()) |
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191 | { |
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192 | UseSmartThreadPool = true; |
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193 | return true; |
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194 | } |
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195 | return false; |
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196 | } |
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197 | return true; |
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198 | } |
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199 | |||
200 | public static void Shutdown() |
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201 | { |
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202 | if (UseSmartThreadPool) |
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203 | { |
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204 | WorkPoolDynamic.Shutdown(); |
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205 | UseSmartThreadPool = false; |
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206 | } |
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207 | } |
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208 | |||
209 | public static void QueueUserWorkItem(System.Threading.WaitCallback callback) |
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210 | { |
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211 | if (UseSmartThreadPool) |
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212 | { |
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213 | WorkPoolDynamic.QueueUserWorkItem(sync => callback.Invoke(sync)); |
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214 | } |
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215 | else |
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216 | { |
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217 | ThreadPool.QueueUserWorkItem(sync => callback.Invoke(sync)); |
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218 | } |
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219 | } |
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220 | |||
221 | public static void QueueUserWorkItem(System.Threading.WaitCallback callback, object state) |
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222 | { |
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223 | if (UseSmartThreadPool) |
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224 | { |
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225 | WorkPoolDynamic.QueueUserWorkItem(sync => callback.Invoke(sync), state); |
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226 | } |
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227 | else |
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228 | { |
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229 | ThreadPool.QueueUserWorkItem(sync => callback.Invoke(sync), state); |
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230 | } |
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231 | } |
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232 | } |
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233 | #endif |
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234 | } |