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annotate OrthancFramework/UnitTestsSources/MemoryCacheTests.cpp @ 5640:f7adfb22e20e

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updated copyright, as Orthanc Team now replaces Osimis
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 30 May 2024 21:19:57 +0200
parents 48b8dae6dc77
children
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU Lesser General Public License
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11 * as published by the Free Software Foundation, either version 3 of
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12 * the License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * Lesser General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU Lesser General Public
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20 * License along with this program. If not, see
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21 * <http://www.gnu.org/licenses/>.
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22 **/
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24
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25 #if ORTHANC_UNIT_TESTS_LINK_FRAMEWORK == 1
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26 // Must be the first to be sure to use the Orthanc framework shared library
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27 # include <OrthancFramework.h>
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28 #endif
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29
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30 #include <gtest/gtest.h>
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31
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32 #include "../Sources/Cache/MemoryCache.h"
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33 #include "../Sources/Cache/MemoryStringCache.h"
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34 #include "../Sources/Cache/SharedArchive.h"
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35 #include "../Sources/IDynamicObject.h"
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36 #include "../Sources/Logging.h"
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37 #include "../Sources/SystemToolbox.h"
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38
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39 #include <memory>
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40 #include <algorithm>
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41 #include <boost/thread.hpp>
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42 #include <boost/lexical_cast.hpp>
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43
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44
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45 TEST(LRU, Basic)
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46 {
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47 Orthanc::LeastRecentlyUsedIndex<std::string> r;
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48
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49 r.Add("d");
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50 r.Add("a");
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51 r.Add("c");
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52 r.Add("b");
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53
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54 r.MakeMostRecent("a");
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55 r.MakeMostRecent("d");
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56 r.MakeMostRecent("b");
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57 r.MakeMostRecent("c");
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58 r.MakeMostRecent("d");
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59 r.MakeMostRecent("c");
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60
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61 ASSERT_EQ("a", r.GetOldest());
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62 ASSERT_EQ("a", r.RemoveOldest());
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63 ASSERT_EQ("b", r.GetOldest());
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64 ASSERT_EQ("b", r.RemoveOldest());
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65 ASSERT_EQ("d", r.GetOldest());
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66 ASSERT_EQ("d", r.RemoveOldest());
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67 ASSERT_EQ("c", r.GetOldest());
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68 ASSERT_EQ("c", r.RemoveOldest());
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69
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70 ASSERT_TRUE(r.IsEmpty());
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71
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72 ASSERT_THROW(r.GetOldest(), Orthanc::OrthancException);
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73 ASSERT_THROW(r.RemoveOldest(), Orthanc::OrthancException);
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74 }
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75
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76
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77 TEST(LRU, Payload)
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78 {
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79 Orthanc::LeastRecentlyUsedIndex<std::string, int> r;
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80
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81 r.Add("a", 420);
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82 r.Add("b", 421);
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83 r.Add("c", 422);
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84 r.Add("d", 423);
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85
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86 r.MakeMostRecent("a");
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87 r.MakeMostRecent("d");
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88 r.MakeMostRecent("b");
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89 r.MakeMostRecent("c");
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90 r.MakeMostRecent("d");
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91 r.MakeMostRecent("c");
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92
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93 ASSERT_TRUE(r.Contains("b"));
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94 ASSERT_EQ(421, r.Invalidate("b"));
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95 ASSERT_FALSE(r.Contains("b"));
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96
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97 int p;
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98 ASSERT_TRUE(r.Contains("a", p)); ASSERT_EQ(420, p);
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99 ASSERT_TRUE(r.Contains("c", p)); ASSERT_EQ(422, p);
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100 ASSERT_TRUE(r.Contains("d", p)); ASSERT_EQ(423, p);
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102 ASSERT_EQ("a", r.GetOldest());
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103 ASSERT_EQ(420, r.GetOldestPayload());
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104 ASSERT_EQ("a", r.RemoveOldest(p)); ASSERT_EQ(420, p);
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105
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106 ASSERT_EQ("d", r.GetOldest());
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107 ASSERT_EQ(423, r.GetOldestPayload());
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108 ASSERT_EQ("d", r.RemoveOldest(p)); ASSERT_EQ(423, p);
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110 ASSERT_EQ("c", r.GetOldest());
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111 ASSERT_EQ(422, r.GetOldestPayload());
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112 ASSERT_EQ("c", r.RemoveOldest(p)); ASSERT_EQ(422, p);
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113
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114 ASSERT_TRUE(r.IsEmpty());
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115 }
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116
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117
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118 TEST(LRU, PayloadUpdate)
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119 {
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120 Orthanc::LeastRecentlyUsedIndex<std::string, int> r;
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121
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122 r.Add("a", 420);
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123 r.Add("b", 421);
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124 r.Add("d", 423);
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125
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126 r.MakeMostRecent("a", 424);
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127 r.MakeMostRecent("d", 421);
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128
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129 ASSERT_EQ("b", r.GetOldest());
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130 ASSERT_EQ(421, r.GetOldestPayload());
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131 r.RemoveOldest();
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132
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133 ASSERT_EQ("a", r.GetOldest());
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134 ASSERT_EQ(424, r.GetOldestPayload());
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135 r.RemoveOldest();
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136
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137 ASSERT_EQ("d", r.GetOldest());
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138 ASSERT_EQ(421, r.GetOldestPayload());
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139 r.RemoveOldest();
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140
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141 ASSERT_TRUE(r.IsEmpty());
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142 }
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143
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144
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145
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146 TEST(LRU, PayloadUpdateBis)
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147 {
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148 Orthanc::LeastRecentlyUsedIndex<std::string, int> r;
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149
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150 r.AddOrMakeMostRecent("a", 420);
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151 r.AddOrMakeMostRecent("b", 421);
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152 r.AddOrMakeMostRecent("d", 423);
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153 r.AddOrMakeMostRecent("a", 424);
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154 r.AddOrMakeMostRecent("d", 421);
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155
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156 ASSERT_EQ("b", r.GetOldest());
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157 ASSERT_EQ(421, r.GetOldestPayload());
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158 r.RemoveOldest();
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159
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160 ASSERT_EQ("a", r.GetOldest());
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161 ASSERT_EQ(424, r.GetOldestPayload());
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162 r.RemoveOldest();
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163
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164 ASSERT_EQ("d", r.GetOldest());
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165 ASSERT_EQ(421, r.GetOldestPayload());
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166 r.RemoveOldest();
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167
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168 ASSERT_TRUE(r.IsEmpty());
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169 }
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170
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171 TEST(LRU, GetAllKeys)
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172 {
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173 Orthanc::LeastRecentlyUsedIndex<std::string, int> r;
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174 std::vector<std::string> keys;
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175
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176 r.AddOrMakeMostRecent("a", 420);
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177 r.GetAllKeys(keys);
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178
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179 ASSERT_EQ(1u, keys.size());
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180 ASSERT_EQ("a", keys[0]);
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181
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182 r.AddOrMakeMostRecent("b", 421);
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183 r.GetAllKeys(keys);
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184
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185 ASSERT_EQ(2u, keys.size());
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186 ASSERT_TRUE(std::find(keys.begin(), keys.end(),"a") != keys.end());
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187 ASSERT_TRUE(std::find(keys.begin(), keys.end(),"b") != keys.end());
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188 }
509
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189
283
c9977db00e1d caching
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190
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191
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192 namespace
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193 {
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194 class Integer : public Orthanc::IDynamicObject
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195 {
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196 private:
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197 std::string& log_;
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198 int value_;
282
915ed24547ea cache lru policy
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199
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200 public:
283
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201 Integer(std::string& log, int v) : log_(log), value_(v)
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202 {
c9977db00e1d caching
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203 }
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204
2924
22524fd06225 macros ORTHANC_OVERRIDE and ORTHANC_FINAL
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205 virtual ~Integer() ORTHANC_OVERRIDE
283
c9977db00e1d caching
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206 {
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207 LOG(INFO) << "Removing cache entry for " << value_;
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208 log_ += boost::lexical_cast<std::string>(value_) + " ";
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209 }
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diff changeset
210 };
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diff changeset
211
3557
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212 class IntegerProvider : public Orthanc::Deprecated::ICachePageProvider
283
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213 {
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214 public:
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215 std::string log_;
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diff changeset
216
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22524fd06225 macros ORTHANC_OVERRIDE and ORTHANC_FINAL
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diff changeset
217 virtual Orthanc::IDynamicObject* Provide(const std::string& s) ORTHANC_OVERRIDE
283
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diff changeset
218 {
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diff changeset
219 LOG(INFO) << "Providing " << s;
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220 return new Integer(log_, boost::lexical_cast<int>(s));
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221 }
282
915ed24547ea cache lru policy
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222 };
915ed24547ea cache lru policy
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223 }
283
c9977db00e1d caching
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diff changeset
224
c9977db00e1d caching
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diff changeset
225
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diff changeset
226 TEST(MemoryCache, Basic)
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diff changeset
227 {
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diff changeset
228 IntegerProvider provider;
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diff changeset
229
c9977db00e1d caching
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diff changeset
230 {
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
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diff changeset
231 Orthanc::Deprecated::MemoryCache cache(provider, 3);
285
4031f73fe0e4 access to the raw dicom tags
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diff changeset
232 cache.Access("42"); // 42 -> exit
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diff changeset
233 cache.Access("43"); // 43, 42 -> exit
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diff changeset
234 cache.Access("45"); // 45, 43, 42 -> exit
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diff changeset
235 cache.Access("42"); // 42, 45, 43 -> exit
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diff changeset
236 cache.Access("43"); // 43, 42, 45 -> exit
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diff changeset
237 cache.Access("47"); // 45 is removed; 47, 43, 42 -> exit
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diff changeset
238 cache.Access("44"); // 42 is removed; 44, 47, 43 -> exit
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parents: 284
diff changeset
239 cache.Access("42"); // 43 is removed; 42, 44, 47 -> exit
283
c9977db00e1d caching
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diff changeset
240 // Closing the cache: 47, 44, 42 are successively removed
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diff changeset
241 }
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diff changeset
242
c9977db00e1d caching
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diff changeset
243 ASSERT_EQ("45 42 43 47 44 42 ", provider.log_);
c9977db00e1d caching
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diff changeset
244 }
1367
fe6e5a9f1ea2 SharedArchive
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diff changeset
245
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
246
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
247
fe6e5a9f1ea2 SharedArchive
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diff changeset
248
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
249
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
250 namespace
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
251 {
fe6e5a9f1ea2 SharedArchive
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diff changeset
252 class S : public Orthanc::IDynamicObject
fe6e5a9f1ea2 SharedArchive
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diff changeset
253 {
fe6e5a9f1ea2 SharedArchive
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diff changeset
254 private:
fe6e5a9f1ea2 SharedArchive
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diff changeset
255 std::string value_;
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
256
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
257 public:
4204
318c16cfccab cppcheck
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diff changeset
258 explicit S(const std::string& value) : value_(value)
1367
fe6e5a9f1ea2 SharedArchive
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diff changeset
259 {
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
260 }
fe6e5a9f1ea2 SharedArchive
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diff changeset
261
fe6e5a9f1ea2 SharedArchive
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diff changeset
262 const std::string& GetValue() const
fe6e5a9f1ea2 SharedArchive
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diff changeset
263 {
fe6e5a9f1ea2 SharedArchive
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diff changeset
264 return value_;
fe6e5a9f1ea2 SharedArchive
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265 }
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
266 };
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
267 }
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
268
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
269
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
270 TEST(LRU, SharedArchive)
fe6e5a9f1ea2 SharedArchive
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diff changeset
271 {
fe6e5a9f1ea2 SharedArchive
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diff changeset
272 std::string first, second;
fe6e5a9f1ea2 SharedArchive
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diff changeset
273 Orthanc::SharedArchive a(3);
fe6e5a9f1ea2 SharedArchive
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diff changeset
274 first = a.Add(new S("First item"));
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diff changeset
275 second = a.Add(new S("Second item"));
fe6e5a9f1ea2 SharedArchive
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diff changeset
276
fe6e5a9f1ea2 SharedArchive
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diff changeset
277 for (int i = 1; i < 100; i++)
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diff changeset
278 {
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279 a.Add(new S("Item " + boost::lexical_cast<std::string>(i)));
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280
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281 // Continuously protect the two first items
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282 {
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283 Orthanc::SharedArchive::Accessor accessor(a, first);
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284 ASSERT_TRUE(accessor.IsValid());
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285 ASSERT_EQ("First item", dynamic_cast<S&>(accessor.GetItem()).GetValue());
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286 }
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287
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288 {
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289 Orthanc::SharedArchive::Accessor accessor(a, second);
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290 ASSERT_TRUE(accessor.IsValid());
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291 ASSERT_EQ("Second item", dynamic_cast<S&>(accessor.GetItem()).GetValue());
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292 }
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293
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294 {
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295 Orthanc::SharedArchive::Accessor accessor(a, "nope");
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296 ASSERT_FALSE(accessor.IsValid());
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297 ASSERT_THROW(accessor.GetItem(), Orthanc::OrthancException);
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298 }
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299 }
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300
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301 std::list<std::string> i;
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302 a.List(i);
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303
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304 size_t count = 0;
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305 for (std::list<std::string>::const_iterator
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306 it = i.begin(); it != i.end(); ++it)
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307 {
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308 if (*it == first ||
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309 *it == second)
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310 {
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311 count++;
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312 }
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313 }
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314
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315 ASSERT_EQ(2u, count);
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316 }
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317
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318
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319 TEST(MemoryStringCache, Basic)
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320 {
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321 Orthanc::MemoryStringCache c;
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322 ASSERT_THROW(c.SetMaximumSize(0), Orthanc::OrthancException);
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323
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324 c.SetMaximumSize(3);
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325
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326 std::string v;
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327 {
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328 Orthanc::MemoryStringCache::Accessor a(c);
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329 ASSERT_FALSE(a.Fetch(v, "key1"));
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330 }
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331
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332 {
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333 Orthanc::MemoryStringCache::Accessor a(c);
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334 ASSERT_FALSE(a.Fetch(v, "key1"));
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335 a.Add("key1", "a");
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336 ASSERT_TRUE(a.Fetch(v, "key1"));
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337 ASSERT_EQ("a", v);
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338
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339 ASSERT_FALSE(a.Fetch(v, "key2"));
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340 ASSERT_FALSE(a.Fetch(v, "key3"));
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341
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342 a.Add("key2", "b");
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343 ASSERT_TRUE(a.Fetch(v, "key1"));
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344 ASSERT_EQ("a", v);
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345 ASSERT_TRUE(a.Fetch(v, "key2"));
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346 ASSERT_EQ("b", v);
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347
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348 a.Add("key3", "too-large-value");
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349 ASSERT_TRUE(a.Fetch(v, "key1"));
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350 ASSERT_EQ("a", v);
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351 ASSERT_TRUE(a.Fetch(v, "key2"));
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352 ASSERT_EQ("b", v);
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353 ASSERT_FALSE(a.Fetch(v, "key3"));
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354
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355 a.Add("key3", "c");
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356 ASSERT_TRUE(a.Fetch(v, "key2"));
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357 ASSERT_EQ("b", v);
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358 ASSERT_TRUE(a.Fetch(v, "key1"));
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359 ASSERT_EQ("a", v);
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360 ASSERT_TRUE(a.Fetch(v, "key3"));
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361 ASSERT_EQ("c", v);
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362
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363 // adding a fourth value should remove the oldest accessed value (key2)
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364 a.Add("key4", "d");
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365 ASSERT_FALSE(a.Fetch(v, "key2"));
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366 ASSERT_TRUE(a.Fetch(v, "key1"));
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367 ASSERT_EQ("a", v);
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368 ASSERT_TRUE(a.Fetch(v, "key3"));
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369 ASSERT_EQ("c", v);
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370 ASSERT_TRUE(a.Fetch(v, "key4"));
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371 ASSERT_EQ("d", v);
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372
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373 }
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374 }
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375
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376 TEST(MemoryStringCache, Invalidate)
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377 {
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378 Orthanc::MemoryStringCache c;
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379 Orthanc::MemoryStringCache::Accessor a(c);
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380
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381 a.Add("hello", "a");
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382 a.Add("hello2", "b");
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383
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384 std::string v;
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385 ASSERT_TRUE(a.Fetch(v, "hello"));
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386 ASSERT_EQ("a", v);
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387 ASSERT_TRUE(a.Fetch(v, "hello2"));
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388 ASSERT_EQ("b", v);
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389
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390 c.Invalidate("hello");
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391 ASSERT_FALSE(a.Fetch(v, "hello"));
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392 ASSERT_TRUE(a.Fetch(v, "hello2"));
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393 ASSERT_EQ("b", v);
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394 }
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395
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396
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397 static int ThreadingScenarioHappyStep = 0;
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398 static Orthanc::MemoryStringCache ThreadingScenarioHappyCache;
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399
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400 void ThreadingScenarioHappyThread1()
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
401 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
402 // the first thread to call Fetch (will be in charge of adding)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
403 Orthanc::MemoryStringCache::Accessor a(ThreadingScenarioHappyCache);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
404 std::string v;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
405
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
406 LOG(INFO) << "Thread1 will fetch";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
407 if (!a.Fetch(v, "key1"))
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
408 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
409 LOG(INFO) << "Thread1 has fetch";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
410 ThreadingScenarioHappyStep = 1;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
411
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
412 // wait for the other thread to fetch too
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
413 while (ThreadingScenarioHappyStep < 2)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
414 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
415 Orthanc::SystemToolbox::USleep(10000);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
416 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
417 LOG(INFO) << "Thread1 will add after a short sleep";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
418 Orthanc::SystemToolbox::USleep(100000);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
419 LOG(INFO) << "Thread1 will add";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
420
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
421 a.Add("key1", "value1");
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
422
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
423 LOG(INFO) << "Thread1 has added";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
424 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
425 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
426
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
427 void ThreadingScenarioHappyThread2()
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
428 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
429 Orthanc::MemoryStringCache::Accessor a(ThreadingScenarioHappyCache);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
430 std::string v;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
431
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
432 // nobody has added key2 -> go
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
433 if (!a.Fetch(v, "key2"))
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
434 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
435 a.Add("key2", "value2");
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
436 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
437
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
438 // wait until thread 1 has completed its "Fetch" but not added yet
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
439 while (ThreadingScenarioHappyStep < 1)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
440 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
441 Orthanc::SystemToolbox::USleep(10000);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
442 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
443
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
444 ThreadingScenarioHappyStep = 2;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
445 LOG(INFO) << "Thread2 will fetch";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
446 // this should wait until thread 1 has added
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
447 if (!a.Fetch(v, "key1"))
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
448 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
449 ASSERT_FALSE(true); // this thread should not add since thread1 should have done it
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
450 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
451 LOG(INFO) << "Thread2 has fetched the value";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
452 ASSERT_EQ("value1", v);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
453 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
454
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
455
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
456 TEST(MemoryStringCache, ThreadingScenarioHappy)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
457 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
458 boost::thread thread1 = boost::thread(ThreadingScenarioHappyThread1);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
459 boost::thread thread2 = boost::thread(ThreadingScenarioHappyThread2);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
460
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
461 thread1.join();
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
462 thread2.join();
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3497
diff changeset
463 }
5420
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
464
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
465
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
466 static int ThreadingScenarioFailureStep = 0;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
467 static Orthanc::MemoryStringCache ThreadingScenarioFailureCache;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
468
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
469 void ThreadingScenarioFailureThread1()
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
470 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
471 // the first thread to call Fetch (will be in charge of adding)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
472 Orthanc::MemoryStringCache::Accessor a(ThreadingScenarioFailureCache);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
473 std::string v;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
474
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
475 LOG(INFO) << "Thread1 will fetch";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
476 if (!a.Fetch(v, "key1"))
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
477 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
478 LOG(INFO) << "Thread1 has fetch";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
479 ThreadingScenarioFailureStep = 1;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
480
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
481 // wait for the other thread to fetch too
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
482 while (ThreadingScenarioFailureStep < 2)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
483 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
484 Orthanc::SystemToolbox::USleep(10000);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
485 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
486 LOG(INFO) << "Thread1 will add after a short sleep";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
487 Orthanc::SystemToolbox::USleep(100000);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
488 LOG(INFO) << "Thread1 fails to add because of an error";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
489 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
490 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
491
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
492 void ThreadingScenarioFailureThread2()
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
493 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
494 Orthanc::MemoryStringCache::Accessor a(ThreadingScenarioFailureCache);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
495 std::string v;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
496
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
497 // wait until thread 1 has completed its "Fetch" but not added yet
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
498 while (ThreadingScenarioFailureStep < 1)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
499 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
500 Orthanc::SystemToolbox::USleep(10000);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
501 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
502
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
503 ThreadingScenarioFailureStep = 2;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
504 LOG(INFO) << "Thread2 will fetch and wait for thread1 to add";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
505 // this should wait until thread 1 has added
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
506 if (!a.Fetch(v, "key1"))
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
507 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
508 LOG(INFO) << "Thread2 has been awaken and will add since Thread1 has failed to add";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
509 a.Add("key1", "value1");
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
510 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
511 LOG(INFO) << "Thread2 has added the value";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
512 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
513
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
514
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
515 TEST(MemoryStringCache, ThreadingScenarioFailure)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
516 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
517 boost::thread thread1 = boost::thread(ThreadingScenarioFailureThread1);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
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518 boost::thread thread2 = boost::thread(ThreadingScenarioFailureThread2);
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parents: 5185
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519
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
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520 thread1.join();
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
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521 thread2.join();
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522 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
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523
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
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524
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
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525 static int ThreadingScenarioInvalidateStep = 0;
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526 static Orthanc::MemoryStringCache ThreadingScenarioInvalidateCache;
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527
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
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528 void ThreadingScenarioInvalidateThread1()
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529 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
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530 // the first thread to call Fetch (will be in charge of adding)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
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531 Orthanc::MemoryStringCache::Accessor a(ThreadingScenarioInvalidateCache);
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Alain Mazy <am@osimis.io>
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532 std::string v;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
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533
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
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534 LOG(INFO) << "Thread1 will fetch";
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Alain Mazy <am@osimis.io>
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535 if (!a.Fetch(v, "key1"))
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
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536 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
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537 LOG(INFO) << "Thread1 has fetch";
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538 ThreadingScenarioInvalidateStep = 1;
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Alain Mazy <am@osimis.io>
parents: 5185
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539
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
540 // wait for the other thread to fetch too
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
541 while (ThreadingScenarioInvalidateStep < 2)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
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542 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
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diff changeset
543 Orthanc::SystemToolbox::USleep(10000);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
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544 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
545 LOG(INFO) << "Thread1 will invalidate after a short sleep";
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Alain Mazy <am@osimis.io>
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546 Orthanc::SystemToolbox::USleep(100000);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
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547 LOG(INFO) << "Thread1 is invalidating";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
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diff changeset
548 ThreadingScenarioInvalidateCache.Invalidate("key1");
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Alain Mazy <am@osimis.io>
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diff changeset
549 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
550 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
551
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
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diff changeset
552 void ThreadingScenarioInvalidateThread2()
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
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diff changeset
553 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
554 Orthanc::MemoryStringCache::Accessor a(ThreadingScenarioInvalidateCache);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
555 std::string v;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
556
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
557 // wait until thread 1 has completed its "Fetch" but not added yet
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
558 while (ThreadingScenarioInvalidateStep < 1)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
559 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
560 Orthanc::SystemToolbox::USleep(10000);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
561 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
562
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
563 ThreadingScenarioInvalidateStep = 2;
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
564 LOG(INFO) << "Thread2 will fetch and wait for thread1 to add";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
565 // this should wait until thread 1 has added
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
566 if (!a.Fetch(v, "key1"))
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
567 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
568 LOG(INFO) << "Thread2 has been awaken because thread1 has invalidated the key";
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
569 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
570 }
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
571
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
572
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
573 TEST(MemoryStringCache, ThreadingScenarioInvalidate)
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
574 {
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
575 boost::thread thread1 = boost::thread(ThreadingScenarioInvalidateThread1);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
576 boost::thread thread2 = boost::thread(ThreadingScenarioInvalidateThread2);
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
577
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
578 thread1.join();
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
579 thread2.join();
d37dff2c0028 Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
580 }