Mercurial > hg > orthanc
annotate OrthancFramework/Sources/HttpServer/FilesystemHttpSender.cpp @ 5049:8c9a1cce076e
CPP Wrapper: new helpers
| author | Alain Mazy <am@osimis.io> |
|---|---|
| date | Wed, 29 Jun 2022 15:32:44 +0200 |
| parents | 43e613a7756b |
| children | 0ea402b4d901 |
| rev | line source |
|---|---|
| 208 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 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) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 208 | 7 * |
| 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. |
| 208 | 12 * |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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16 * Lesser General Public License for more details. |
| 208 | 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/>. |
| 208 | 21 **/ |
| 22 | |
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23 #include "../PrecompiledHeaders.h" |
| 208 | 24 #include "FilesystemHttpSender.h" |
| 25 | |
| 1522 | 26 #include "../OrthancException.h" |
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27 |
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28 static const size_t CHUNK_SIZE = 64 * 1024; // Use 64KB chunks |
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29 |
| 208 | 30 namespace Orthanc |
| 31 { | |
| 1522 | 32 void FilesystemHttpSender::Initialize(const boost::filesystem::path& path) |
| 208 | 33 { |
| 1522 | 34 SetContentFilename(path.filename().string()); |
| 35 file_.open(path.string().c_str(), std::ifstream::binary); | |
| 36 | |
| 37 if (!file_.is_open()) | |
| 38 { | |
| 39 throw OrthancException(ErrorCode_InexistentFile); | |
| 40 } | |
| 208 | 41 |
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42 file_.seekg(0, file_.end); |
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43 size_ = file_.tellg(); |
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44 file_.seekg(0, file_.beg); |
| 217 | 45 } |
| 46 | |
| 4298 | 47 FilesystemHttpSender::FilesystemHttpSender(const std::string& path) |
| 48 { | |
| 49 Initialize(path); | |
| 50 } | |
| 51 | |
| 52 FilesystemHttpSender::FilesystemHttpSender(const boost::filesystem::path& path) | |
| 53 { | |
| 54 Initialize(path); | |
| 55 } | |
| 56 | |
| 57 FilesystemHttpSender::FilesystemHttpSender(const std::string& path, | |
| 58 MimeType contentType) | |
| 59 { | |
| 60 SetContentType(contentType); | |
| 61 Initialize(path); | |
| 62 } | |
| 63 | |
| 64 FilesystemHttpSender::FilesystemHttpSender(const FilesystemStorage& storage, | |
| 65 const std::string& uuid) | |
| 66 { | |
| 67 Initialize(storage.GetPath(uuid)); | |
| 68 } | |
| 69 | |
| 70 uint64_t FilesystemHttpSender::GetContentLength() | |
| 71 { | |
| 72 return size_; | |
| 73 } | |
| 74 | |
| 1522 | 75 |
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76 bool FilesystemHttpSender::ReadNextChunk() |
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77 { |
| 1525 | 78 if (chunk_.size() == 0) |
| 1522 | 79 { |
| 1525 | 80 chunk_.resize(CHUNK_SIZE); |
| 1522 | 81 } |
| 82 | |
| 1525 | 83 file_.read(&chunk_[0], chunk_.size()); |
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84 |
| 1525 | 85 if ((file_.flags() & std::istream::failbit) || |
| 86 file_.gcount() < 0) | |
| 1522 | 87 { |
| 1525 | 88 throw OrthancException(ErrorCode_CorruptedFile); |
| 1522 | 89 } |
| 90 | |
| 2332 | 91 chunkSize_ = static_cast<size_t>(file_.gcount()); |
| 1525 | 92 |
| 93 return chunkSize_ > 0; | |
| 208 | 94 } |
| 4298 | 95 |
| 96 const char *FilesystemHttpSender::GetChunkContent() | |
| 97 { | |
| 98 return chunk_.c_str(); | |
| 99 } | |
| 100 | |
| 101 size_t FilesystemHttpSender::GetChunkSize() | |
| 102 { | |
| 103 return chunkSize_; | |
| 104 } | |
| 208 | 105 } |