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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "ServerJob.h"
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34
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35 #include "../../Core/OrthancException.h"
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36 #include "../../Core/Toolbox.h"
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37 #include "../../Core/Uuid.h"
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38
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39 namespace Orthanc
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40 {
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41 void ServerJob::CheckOrdering()
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42 {
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43 std::map<ServerFilterInstance*, unsigned int> index;
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44
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45 unsigned int count = 0;
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46 for (std::list<ServerFilterInstance*>::const_iterator
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47 it = filters_.begin(); it != filters_.end(); it++)
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48 {
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49 index[*it] = count++;
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50 }
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51
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52 for (std::list<ServerFilterInstance*>::const_iterator
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53 it = filters_.begin(); it != filters_.end(); it++)
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54 {
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55 const std::list<ServerFilterInstance*>& nextFilters = (*it)->GetNextFilters();
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56
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57 for (std::list<ServerFilterInstance*>::const_iterator
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58 next = nextFilters.begin(); next != nextFilters.end(); next++)
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59 {
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60 if (index.find(*next) == index.end() ||
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61 index[*next] <= index[*it])
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62 {
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63 // You must reorder your calls to "ServerJob::AddFilter"
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64 throw OrthancException("Bad ordering of filters in a job");
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65 }
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66 }
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67 }
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68 }
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69
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70
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71 size_t ServerJob::Submit(SharedMessageQueue& target,
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72 ServerFilterInstance::IListener& listener)
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73 {
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74 if (submitted_)
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75 {
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76 // This job has already been submitted
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77 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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78 }
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79
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80 CheckOrdering();
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81
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82 size_t size = filters_.size();
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83
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84 for (std::list<ServerFilterInstance*>::iterator
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85 it = filters_.begin(); it != filters_.end(); it++)
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86 {
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87 target.Enqueue(*it);
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88 }
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89
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90 filters_.clear();
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91 submitted_ = true;
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92
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93 return size;
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94 }
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95
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96
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97 ServerJob::ServerJob()
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98 {
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99 jobId_ = Toolbox::GenerateUuid();
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100 submitted_ = false;
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101 description_ = "no description";
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102 }
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103
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104
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105 ServerJob::~ServerJob()
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106 {
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107 for (std::list<ServerFilterInstance*>::iterator
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108 it = filters_.begin(); it != filters_.end(); it++)
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109 {
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110 delete *it;
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111 }
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112 }
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113
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114
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115 ServerFilterInstance& ServerJob::AddFilter(IServerFilter* filter)
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116 {
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117 if (submitted_)
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118 {
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119 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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120 }
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121
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122 filters_.push_back(new ServerFilterInstance(filter, jobId_));
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123
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124 return *filters_.back();
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125 }
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126 }
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