Mercurial > hg > orthanc

annotate OrthancFramework/UnitTestsSources/MemoryCacheTests.cpp @ 5420:d37dff2c0028 am-new-cache

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Optimized the MemoryStringCache to prevent loading the same file multiple times if multiple users request the same file at the same time
author Alain Mazy <am@osimis.io>
date Mon, 13 Nov 2023 17:01:59 +0100
parents 0ea402b4d901
children 48b8dae6dc77
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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) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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23
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24 #if ORTHANC_UNIT_TESTS_LINK_FRAMEWORK == 1
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25 // Must be the first to be sure to use the Orthanc framework shared library
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26 # include <OrthancFramework.h>
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27 #endif
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28
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29 #include <gtest/gtest.h>
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30
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31 #include "../Sources/Cache/MemoryCache.h"
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32 #include "../Sources/Cache/MemoryStringCache.h"
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33 #include "../Sources/Cache/SharedArchive.h"
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34 #include "../Sources/IDynamicObject.h"
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35 #include "../Sources/Logging.h"
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36 #include "../Sources/SystemToolbox.h"
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37
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38 #include <memory>
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39 #include <algorithm>
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40 #include <boost/thread.hpp>
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41 #include <boost/lexical_cast.hpp>
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42
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43
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44 TEST(LRU, Basic)
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45 {
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46 Orthanc::LeastRecentlyUsedIndex<std::string> r;
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47
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48 r.Add("d");
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49 r.Add("a");
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50 r.Add("c");
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51 r.Add("b");
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52
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53 r.MakeMostRecent("a");
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54 r.MakeMostRecent("d");
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55 r.MakeMostRecent("b");
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56 r.MakeMostRecent("c");
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57 r.MakeMostRecent("d");
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58 r.MakeMostRecent("c");
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59
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60 ASSERT_EQ("a", r.GetOldest());
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61 ASSERT_EQ("a", r.RemoveOldest());
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62 ASSERT_EQ("b", r.GetOldest());
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63 ASSERT_EQ("b", r.RemoveOldest());
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64 ASSERT_EQ("d", r.GetOldest());
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65 ASSERT_EQ("d", r.RemoveOldest());
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66 ASSERT_EQ("c", r.GetOldest());
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67 ASSERT_EQ("c", r.RemoveOldest());
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68
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69 ASSERT_TRUE(r.IsEmpty());
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70
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71 ASSERT_THROW(r.GetOldest(), Orthanc::OrthancException);
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72 ASSERT_THROW(r.RemoveOldest(), Orthanc::OrthancException);
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73 }
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74
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75
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76 TEST(LRU, Payload)
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77 {
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78 Orthanc::LeastRecentlyUsedIndex<std::string, int> r;
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79
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80 r.Add("a", 420);
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81 r.Add("b", 421);
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82 r.Add("c", 422);
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83 r.Add("d", 423);
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84
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85 r.MakeMostRecent("a");
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86 r.MakeMostRecent("d");
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87 r.MakeMostRecent("b");
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88 r.MakeMostRecent("c");
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89 r.MakeMostRecent("d");
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90 r.MakeMostRecent("c");
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91
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92 ASSERT_TRUE(r.Contains("b"));
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93 ASSERT_EQ(421, r.Invalidate("b"));
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94 ASSERT_FALSE(r.Contains("b"));
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95
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96 int p;
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97 ASSERT_TRUE(r.Contains("a", p)); ASSERT_EQ(420, p);
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98 ASSERT_TRUE(r.Contains("c", p)); ASSERT_EQ(422, p);
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99 ASSERT_TRUE(r.Contains("d", p)); ASSERT_EQ(423, p);
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101 ASSERT_EQ("a", r.GetOldest());
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102 ASSERT_EQ(420, r.GetOldestPayload());
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103 ASSERT_EQ("a", r.RemoveOldest(p)); ASSERT_EQ(420, p);
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104
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105 ASSERT_EQ("d", r.GetOldest());
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106 ASSERT_EQ(423, r.GetOldestPayload());
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107 ASSERT_EQ("d", r.RemoveOldest(p)); ASSERT_EQ(423, p);
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108
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109 ASSERT_EQ("c", r.GetOldest());
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110 ASSERT_EQ(422, r.GetOldestPayload());
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111 ASSERT_EQ("c", r.RemoveOldest(p)); ASSERT_EQ(422, p);
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112
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113 ASSERT_TRUE(r.IsEmpty());
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114 }
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115
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116
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117 TEST(LRU, PayloadUpdate)
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118 {
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119 Orthanc::LeastRecentlyUsedIndex<std::string, int> r;
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120
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121 r.Add("a", 420);
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122 r.Add("b", 421);
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123 r.Add("d", 423);
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124
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125 r.MakeMostRecent("a", 424);
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126 r.MakeMostRecent("d", 421);
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127
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128 ASSERT_EQ("b", r.GetOldest());
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129 ASSERT_EQ(421, r.GetOldestPayload());
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130 r.RemoveOldest();
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131
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132 ASSERT_EQ("a", r.GetOldest());
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133 ASSERT_EQ(424, r.GetOldestPayload());
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134 r.RemoveOldest();
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135
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136 ASSERT_EQ("d", r.GetOldest());
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137 ASSERT_EQ(421, r.GetOldestPayload());
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138 r.RemoveOldest();
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139
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140 ASSERT_TRUE(r.IsEmpty());
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141 }
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142
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143
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144
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145 TEST(LRU, PayloadUpdateBis)
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146 {
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147 Orthanc::LeastRecentlyUsedIndex<std::string, int> r;
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148
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149 r.AddOrMakeMostRecent("a", 420);
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150 r.AddOrMakeMostRecent("b", 421);
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151 r.AddOrMakeMostRecent("d", 423);
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152 r.AddOrMakeMostRecent("a", 424);
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153 r.AddOrMakeMostRecent("d", 421);
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154
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155 ASSERT_EQ("b", r.GetOldest());
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156 ASSERT_EQ(421, r.GetOldestPayload());
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157 r.RemoveOldest();
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158
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159 ASSERT_EQ("a", r.GetOldest());
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160 ASSERT_EQ(424, r.GetOldestPayload());
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161 r.RemoveOldest();
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162
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163 ASSERT_EQ("d", r.GetOldest());
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164 ASSERT_EQ(421, r.GetOldestPayload());
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165 r.RemoveOldest();
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166
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167 ASSERT_TRUE(r.IsEmpty());
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168 }
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169
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170 TEST(LRU, GetAllKeys)
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171 {
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172 Orthanc::LeastRecentlyUsedIndex<std::string, int> r;
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173 std::vector<std::string> keys;
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174
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175 r.AddOrMakeMostRecent("a", 420);
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176 r.GetAllKeys(keys);
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177
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178 ASSERT_EQ(1u, keys.size());
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179 ASSERT_EQ("a", keys[0]);
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180
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181 r.AddOrMakeMostRecent("b", 421);
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182 r.GetAllKeys(keys);
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183
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184 ASSERT_EQ(2u, keys.size());
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185 ASSERT_TRUE(std::find(keys.begin(), keys.end(),"a") != keys.end());
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186 ASSERT_TRUE(std::find(keys.begin(), keys.end(),"b") != keys.end());
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187 }
509
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188
283
c9977db00e1d caching
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189
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190
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191 namespace
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192 {
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193 class Integer : public Orthanc::IDynamicObject
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194 {
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195 private:
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196 std::string& log_;
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197 int value_;
282
915ed24547ea cache lru policy
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198
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199 public:
283
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200 Integer(std::string& log, int v) : log_(log), value_(v)
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201 {
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202 }
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203
2924
22524fd06225 macros ORTHANC_OVERRIDE and ORTHANC_FINAL
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204 virtual ~Integer() ORTHANC_OVERRIDE
283
c9977db00e1d caching
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205 {
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206 LOG(INFO) << "Removing cache entry for " << value_;
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207 log_ += boost::lexical_cast<std::string>(value_) + " ";
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208 }
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209 };
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diff changeset
210
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211 class IntegerProvider : public Orthanc::Deprecated::ICachePageProvider
283
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212 {
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213 public:
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214 std::string log_;
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215
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216 virtual Orthanc::IDynamicObject* Provide(const std::string& s) ORTHANC_OVERRIDE
283
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217 {
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218 LOG(INFO) << "Providing " << s;
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219 return new Integer(log_, boost::lexical_cast<int>(s));
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220 }
282
915ed24547ea cache lru policy
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221 };
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222 }
283
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223
c9977db00e1d caching
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224
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diff changeset
225 TEST(MemoryCache, Basic)
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diff changeset
226 {
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227 IntegerProvider provider;
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diff changeset
228
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diff changeset
229 {
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230 Orthanc::Deprecated::MemoryCache cache(provider, 3);
285
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231 cache.Access("42"); // 42 -> exit
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diff changeset
232 cache.Access("43"); // 43, 42 -> exit
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233 cache.Access("45"); // 45, 43, 42 -> exit
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diff changeset
234 cache.Access("42"); // 42, 45, 43 -> exit
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diff changeset
235 cache.Access("43"); // 43, 42, 45 -> exit
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diff changeset
236 cache.Access("47"); // 45 is removed; 47, 43, 42 -> exit
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diff changeset
237 cache.Access("44"); // 42 is removed; 44, 47, 43 -> exit
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diff changeset
238 cache.Access("42"); // 43 is removed; 42, 44, 47 -> exit
283
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239 // Closing the cache: 47, 44, 42 are successively removed
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240 }
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diff changeset
241
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diff changeset
242 ASSERT_EQ("45 42 43 47 44 42 ", provider.log_);
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diff changeset
243 }
1367
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244
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diff changeset
245
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
246
fe6e5a9f1ea2 SharedArchive
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diff changeset
247
fe6e5a9f1ea2 SharedArchive
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diff changeset
248
fe6e5a9f1ea2 SharedArchive
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diff changeset
249 namespace
fe6e5a9f1ea2 SharedArchive
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diff changeset
250 {
fe6e5a9f1ea2 SharedArchive
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251 class S : public Orthanc::IDynamicObject
fe6e5a9f1ea2 SharedArchive
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252 {
fe6e5a9f1ea2 SharedArchive
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diff changeset
253 private:
fe6e5a9f1ea2 SharedArchive
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diff changeset
254 std::string value_;
fe6e5a9f1ea2 SharedArchive
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diff changeset
255
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
256 public:
4204
318c16cfccab cppcheck
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diff changeset
257 explicit S(const std::string& value) : value_(value)
1367
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258 {
fe6e5a9f1ea2 SharedArchive
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diff changeset
259 }
fe6e5a9f1ea2 SharedArchive
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diff changeset
260
fe6e5a9f1ea2 SharedArchive
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diff changeset
261 const std::string& GetValue() const
fe6e5a9f1ea2 SharedArchive
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262 {
fe6e5a9f1ea2 SharedArchive
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263 return value_;
fe6e5a9f1ea2 SharedArchive
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diff changeset
264 }
fe6e5a9f1ea2 SharedArchive
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parents: 1288
diff changeset
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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diff changeset
269 TEST(LRU, SharedArchive)
fe6e5a9f1ea2 SharedArchive
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diff changeset
270 {
fe6e5a9f1ea2 SharedArchive
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diff changeset
271 std::string first, second;
fe6e5a9f1ea2 SharedArchive
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272 Orthanc::SharedArchive a(3);
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273 first = a.Add(new S("First item"));
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diff changeset
274 second = a.Add(new S("Second item"));
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diff changeset
275
fe6e5a9f1ea2 SharedArchive
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diff changeset
276 for (int i = 1; i < 100; i++)
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diff changeset
277 {
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diff changeset
278 a.Add(new S("Item " + boost::lexical_cast<std::string>(i)));
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279
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280 // Continuously protect the two first items
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281 {
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282 Orthanc::SharedArchive::Accessor accessor(a, first);
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283 ASSERT_TRUE(accessor.IsValid());
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284 ASSERT_EQ("First item", dynamic_cast<S&>(accessor.GetItem()).GetValue());
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285 }
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286
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287 {
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288 Orthanc::SharedArchive::Accessor accessor(a, second);
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289 ASSERT_TRUE(accessor.IsValid());
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290 ASSERT_EQ("Second item", dynamic_cast<S&>(accessor.GetItem()).GetValue());
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291 }
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292
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293 {
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294 Orthanc::SharedArchive::Accessor accessor(a, "nope");
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295 ASSERT_FALSE(accessor.IsValid());
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296 ASSERT_THROW(accessor.GetItem(), Orthanc::OrthancException);
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297 }
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298 }
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299
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300 std::list<std::string> i;
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301 a.List(i);
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302
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303 size_t count = 0;
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304 for (std::list<std::string>::const_iterator
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305 it = i.begin(); it != i.end(); ++it)
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306 {
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307 if (*it == first ||
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308 *it == second)
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309 {
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310 count++;
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311 }
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312 }
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313
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314 ASSERT_EQ(2u, count);
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315 }
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316
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317
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318 TEST(MemoryStringCache, Basic)
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319 {
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320 Orthanc::MemoryStringCache c;
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321 ASSERT_THROW(c.SetMaximumSize(0), Orthanc::OrthancException);
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322
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323 c.SetMaximumSize(3);
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324
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325 std::string v;
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326 {
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327 Orthanc::MemoryStringCache::Accessor a(c);
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328 ASSERT_FALSE(a.Fetch(v, "key1"));
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329 }
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330
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331 {
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332 Orthanc::MemoryStringCache::Accessor a(c);
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333 ASSERT_FALSE(a.Fetch(v, "key1"));
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334 a.Add("key1", "a");
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335 ASSERT_TRUE(a.Fetch(v, "key1"));
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336 ASSERT_EQ("a", v);
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337
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338 ASSERT_FALSE(a.Fetch(v, "key2"));
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339 ASSERT_FALSE(a.Fetch(v, "key3"));
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340
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341 a.Add("key2", "b");
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342 ASSERT_TRUE(a.Fetch(v, "key1"));
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343 ASSERT_EQ("a", v);
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344 ASSERT_TRUE(a.Fetch(v, "key2"));
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345 ASSERT_EQ("b", v);
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346
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347 a.Add("key3", "too-large-value");
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348 ASSERT_TRUE(a.Fetch(v, "key1"));
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349 ASSERT_EQ("a", v);
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350 ASSERT_TRUE(a.Fetch(v, "key2"));
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351 ASSERT_EQ("b", v);
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352 ASSERT_FALSE(a.Fetch(v, "key3"));
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353
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354 a.Add("key3", "c");
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355 ASSERT_TRUE(a.Fetch(v, "key2"));
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356 ASSERT_EQ("b", v);
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357 ASSERT_TRUE(a.Fetch(v, "key1"));
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358 ASSERT_EQ("a", v);
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359 ASSERT_TRUE(a.Fetch(v, "key3"));
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360 ASSERT_EQ("c", v);
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361
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362 // adding a fourth value should remove the oldest accessed value (key2)
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363 a.Add("key4", "d");
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364 ASSERT_FALSE(a.Fetch(v, "key2"));
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365 ASSERT_TRUE(a.Fetch(v, "key1"));
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366 ASSERT_EQ("a", v);
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367 ASSERT_TRUE(a.Fetch(v, "key3"));
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368 ASSERT_EQ("c", v);
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369 ASSERT_TRUE(a.Fetch(v, "key4"));
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370 ASSERT_EQ("d", v);
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371
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372 }
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373 }
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374
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375 TEST(MemoryStringCache, Invalidate)
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376 {
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377 Orthanc::MemoryStringCache c;
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378 Orthanc::MemoryStringCache::Accessor a(c);
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379
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380 a.Add("hello", "a");
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381 a.Add("hello2", "b");
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382
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383 std::string v;
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384 ASSERT_TRUE(a.Fetch(v, "hello"));
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385 ASSERT_EQ("a", v);
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386 ASSERT_TRUE(a.Fetch(v, "hello2"));
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387 ASSERT_EQ("b", v);
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388
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389 c.Invalidate("hello");
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390 ASSERT_FALSE(a.Fetch(v, "hello"));
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391 ASSERT_TRUE(a.Fetch(v, "hello2"));
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392 ASSERT_EQ("b", v);
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393 }
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394
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395
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396 static int ThreadingScenarioHappyStep = 0;
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397 static Orthanc::MemoryStringCache ThreadingScenarioHappyCache;
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398
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399 void ThreadingScenarioHappyThread1()
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diff changeset
400 {
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 // 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
402 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
403 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
404
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 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
406 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
407 {
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 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
409 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
410
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 // 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
412 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
413 {
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 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
415 }
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 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
417 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
418 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
419
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 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
421
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 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
423 }
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 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
427 {
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 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
429 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
430
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 // 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
432 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
433 {
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 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
435 }
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 // 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
438 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
439 {
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 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
441 }
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 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
444 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
445 // 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
446 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
447 {
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 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
449 }
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 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
451 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
452 }
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 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
456 {
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 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
458 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
459
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 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
461 thread2.join();
3557
4d809b2e1141 better cache toolbox: MemoryObjectCache
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 3497
diff changeset
462 }
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
463
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 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
466 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
467
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 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
469 {
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 // 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
471 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
472 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
473
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 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
475 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
476 {
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 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
478 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
479
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 // 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
481 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
482 {
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 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
484 }
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 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
486 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
487 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
488 }
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 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
492 {
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 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
494 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
495
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 // 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
497 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
498 {
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 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
500 }
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 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
503 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
504 // 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
505 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
506 {
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 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
508 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
509 }
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 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
511 }
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 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
515 {
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 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
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
517 boost::thread thread2 = boost::thread(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
518
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
519 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
520 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
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521 }
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
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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
Alain Mazy <am@osimis.io>
parents: 5185
diff changeset
523
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
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524 static int ThreadingScenarioInvalidateStep = 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
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525 static Orthanc::MemoryStringCache 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
526
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
527 void 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
528 {
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
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529 // 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
530 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
531 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
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532
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
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533 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
534 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
535 {
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
536 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
537 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
538
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
539 // 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
540 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>
parents: 5185
diff changeset
541 {
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
542 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
543 }
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
544 LOG(INFO) << "Thread1 will invalidate 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
545 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
546 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>
parents: 5185
diff changeset
547 ThreadingScenarioInvalidateCache.Invalidate("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
548 }
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
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 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>
parents: 5185
diff changeset
552 {
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
553 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
554 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
555
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 // 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
557 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
558 {
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 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
560 }
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 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
563 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
564 // 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
565 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
566 {
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 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
568 }
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 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
573 {
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 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
575 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
576
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 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
578 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
579 }