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annotate OrthancFramework/Sources/HttpServer/BufferHttpSender.cpp @ 5639:b6a6179a2a69

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author Alain Mazy <am@orthanc.team>
date Fri, 24 May 2024 15:11:28 +0200
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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) 2017-2024 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2024 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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22
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23 #include "../PrecompiledHeaders.h"
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24 #include "BufferHttpSender.h"
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25
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26 #include "../OrthancException.h"
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27
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28 #include <cassert>
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29
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30 namespace Orthanc
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31 {
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32 BufferHttpSender::BufferHttpSender() :
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33 position_(0),
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34 chunkSize_(0),
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35 currentChunkSize_(0)
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36 {
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37 }
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38
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39 std::string &BufferHttpSender::GetBuffer()
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40 {
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41 return buffer_;
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42 }
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43
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44 const std::string &BufferHttpSender::GetBuffer() const
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45 {
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46 return buffer_;
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47 }
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48
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49 void BufferHttpSender::SetChunkSize(size_t chunkSize)
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50 {
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51 chunkSize_ = chunkSize;
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52 }
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53
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54 uint64_t BufferHttpSender::GetContentLength()
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55 {
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56 return buffer_.size();
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57 }
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58
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59
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60 bool BufferHttpSender::ReadNextChunk()
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61 {
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62 assert(position_ + currentChunkSize_ <= buffer_.size());
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63
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64 position_ += currentChunkSize_;
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65
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66 if (position_ == buffer_.size())
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67 {
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68 return false;
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69 }
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70 else
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71 {
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72 currentChunkSize_ = buffer_.size() - position_;
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73
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74 if (chunkSize_ != 0 &&
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75 currentChunkSize_ > chunkSize_)
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76 {
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77 currentChunkSize_ = chunkSize_;
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78 }
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79
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80 return true;
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81 }
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82 }
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83
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84
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85 const char* BufferHttpSender::GetChunkContent()
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86 {
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87 return buffer_.c_str() + position_;
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88 }
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89
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90
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91 size_t BufferHttpSender::GetChunkSize()
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92 {
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93 return currentChunkSize_;
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94 }
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95 }