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1 /**
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2 * Transfers accelerator plugin for Orthanc
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3 * Copyright (C) 2018 Osimis, Belgium
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4 *
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5 * This program is free software: you can redistribute it and/or
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6 * modify it under the terms of the GNU Affero General Public License
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7 * as published by the Free Software Foundation, either version 3 of
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8 * the License, or (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful, but
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11 * WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 * Affero General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU Affero General Public License
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 **/
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18
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19
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20 #pragma once
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21
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22 #include "TransferScheduler.h"
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23
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24 #include <Core/TemporaryFile.h>
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25
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26 namespace OrthancPlugins
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27 {
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28 class DownloadArea : public boost::noncopyable
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29 {
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30 private:
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31 class Instance : public boost::noncopyable
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32 {
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33 private:
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34 DicomInstanceInfo info_;
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35 Orthanc::TemporaryFile file_;
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36
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37 class Writer;
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38
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39 public:
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40 Instance(const DicomInstanceInfo& info);
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41
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42 const DicomInstanceInfo& GetInfo() const
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43 {
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44 return info_;
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45 }
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46
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47 void WriteChunk(size_t offset,
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48 const void* data,
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49 size_t size);
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50
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51 void Commit(OrthancPluginContext* context,
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52 bool simulate) const;
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53 };
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54
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55
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56 typedef std::map<std::string, Instance*> Instances;
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57
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58 boost::mutex mutex_;
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59 Instances instances_;
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60 size_t totalSize_;
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61
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62
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63 void Clear();
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64
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65 Instance& LookupInstance(const std::string& id);
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66
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67 void WriteUncompressedBucket(const TransferBucket& bucket,
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68 const void* data,
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69 size_t size);
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70
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71 void Setup(const std::vector<DicomInstanceInfo>& instances);
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72
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73 void CommitInternal(OrthancPluginContext* context,
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74 bool simulate);
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75
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76 public:
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77 DownloadArea(const TransferScheduler& scheduler);
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78
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79 DownloadArea(const std::vector<DicomInstanceInfo>& instances)
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80 {
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81 Setup(instances);
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82 }
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83
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84 ~DownloadArea()
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85 {
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86 Clear();
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87 }
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88
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89 size_t GetTotalSize() const
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90 {
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91 return totalSize_;
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92 }
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93
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94 void WriteBucket(const TransferBucket& bucket,
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95 const void* data,
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96 size_t size,
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97 BucketCompression compression);
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98
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99 void WriteInstance(const std::string& instanceId,
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100 const void* data,
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101 size_t size);
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102
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103 void CheckMD5();
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104
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105 void Commit(OrthancPluginContext* context);
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106 };
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107 }
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