Mercurial > hg > orthanc
annotate OrthancFramework/Sources/HttpServer/FilesystemHttpSender.cpp @ 4298:db3932f9660d
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 05 Nov 2020 18:21:03 +0100 |
| parents | bf7b9edf6b81 |
| children | d9473bd5ed43 |
| rev | line source |
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| 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) 2017-2020 Osimis S.A., Belgium |
| 208 | 6 * |
| 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 Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
| 208 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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15 * Lesser General Public License for more details. |
| 208 | 16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
| 208 | 20 **/ |
| 21 | |
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22 #include "../PrecompiledHeaders.h" |
| 208 | 23 #include "FilesystemHttpSender.h" |
| 24 | |
| 1522 | 25 #include "../OrthancException.h" |
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26 |
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27 static const size_t CHUNK_SIZE = 64 * 1024; // Use 64KB chunks |
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28 |
| 208 | 29 namespace Orthanc |
| 30 { | |
| 1522 | 31 void FilesystemHttpSender::Initialize(const boost::filesystem::path& path) |
| 208 | 32 { |
| 1522 | 33 SetContentFilename(path.filename().string()); |
| 34 file_.open(path.string().c_str(), std::ifstream::binary); | |
| 35 | |
| 36 if (!file_.is_open()) | |
| 37 { | |
| 38 throw OrthancException(ErrorCode_InexistentFile); | |
| 39 } | |
| 208 | 40 |
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41 file_.seekg(0, file_.end); |
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42 size_ = file_.tellg(); |
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43 file_.seekg(0, file_.beg); |
| 217 | 44 } |
| 45 | |
| 4298 | 46 FilesystemHttpSender::FilesystemHttpSender(const std::string& path) |
| 47 { | |
| 48 Initialize(path); | |
| 49 } | |
| 50 | |
| 51 FilesystemHttpSender::FilesystemHttpSender(const boost::filesystem::path& path) | |
| 52 { | |
| 53 Initialize(path); | |
| 54 } | |
| 55 | |
| 56 FilesystemHttpSender::FilesystemHttpSender(const std::string& path, | |
| 57 MimeType contentType) | |
| 58 { | |
| 59 SetContentType(contentType); | |
| 60 Initialize(path); | |
| 61 } | |
| 62 | |
| 63 FilesystemHttpSender::FilesystemHttpSender(const FilesystemStorage& storage, | |
| 64 const std::string& uuid) | |
| 65 { | |
| 66 Initialize(storage.GetPath(uuid)); | |
| 67 } | |
| 68 | |
| 69 uint64_t FilesystemHttpSender::GetContentLength() | |
| 70 { | |
| 71 return size_; | |
| 72 } | |
| 73 | |
| 1522 | 74 |
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75 bool FilesystemHttpSender::ReadNextChunk() |
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76 { |
| 1525 | 77 if (chunk_.size() == 0) |
| 1522 | 78 { |
| 1525 | 79 chunk_.resize(CHUNK_SIZE); |
| 1522 | 80 } |
| 81 | |
| 1525 | 82 file_.read(&chunk_[0], chunk_.size()); |
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83 |
| 1525 | 84 if ((file_.flags() & std::istream::failbit) || |
| 85 file_.gcount() < 0) | |
| 1522 | 86 { |
| 1525 | 87 throw OrthancException(ErrorCode_CorruptedFile); |
| 1522 | 88 } |
| 89 | |
| 2332 | 90 chunkSize_ = static_cast<size_t>(file_.gcount()); |
| 1525 | 91 |
| 92 return chunkSize_ > 0; | |
| 208 | 93 } |
| 4298 | 94 |
| 95 const char *FilesystemHttpSender::GetChunkContent() | |
| 96 { | |
| 97 return chunk_.c_str(); | |
| 98 } | |
| 99 | |
| 100 size_t FilesystemHttpSender::GetChunkSize() | |
| 101 { | |
| 102 return chunkSize_; | |
| 103 } | |
| 208 | 104 } |