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2653
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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) 2017-2018 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #include "../PrecompiledHeaders.h"
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35 #include "MemoryStorageArea.h"
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36
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37 #include "../OrthancException.h"
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38
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39 namespace Orthanc
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40 {
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41 MemoryStorageArea::~MemoryStorageArea()
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42 {
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43 for (Content::iterator it = content_.begin(); it != content_.end(); ++it)
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44 {
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45 if (it->second != NULL)
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46 {
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47 delete it->second;
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48 }
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49 }
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50 }
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51
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52 void MemoryStorageArea::Create(const std::string& uuid,
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53 const void* content,
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54 size_t size,
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55 FileContentType type)
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56 {
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57 boost::mutex::scoped_lock lock(mutex_);
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58
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59 if (size != 0 &&
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60 content == NULL)
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61 {
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62 throw OrthancException(ErrorCode_NullPointer);
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63 }
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64 else if (content_.find(uuid) != content_.end())
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65 {
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66 throw OrthancException(ErrorCode_InternalError);
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67 }
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68 else
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69 {
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70 content_[uuid] = new std::string(reinterpret_cast<const char*>(content), size);
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71 }
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72 }
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73
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74
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75 void MemoryStorageArea::Read(std::string& content,
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76 const std::string& uuid,
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77 FileContentType type)
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78 {
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79 boost::mutex::scoped_lock lock(mutex_);
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80
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81 Content::const_iterator found = content_.find(uuid);
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82
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83 if (found == content_.end())
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84 {
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85 throw OrthancException(ErrorCode_InexistentFile);
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86 }
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87 else if (found->second == NULL)
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88 {
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89 throw OrthancException(ErrorCode_InternalError);
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90 }
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91 else
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92 {
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93 content.assign(*found->second);
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94 }
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95 }
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96
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97
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98 void MemoryStorageArea::Remove(const std::string& uuid,
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99 FileContentType type)
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100 {
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101 boost::mutex::scoped_lock lock(mutex_);
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102
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103 Content::iterator found = content_.find(uuid);
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104
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105 if (found == content_.end())
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106 {
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107 // Ignore second removal
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108 }
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109 else if (found->second == NULL)
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110 {
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111 throw OrthancException(ErrorCode_InternalError);
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112 }
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113 else
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114 {
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115 delete found->second;
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116 content_.erase(found);
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117 }
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118 }
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119 }
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