Mercurial > hg > orthanc
annotate Core/HttpServer/FilesystemHttpSender.cpp @ 2136:dd609a99d39a
uniformization of the macro naming
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 09 Nov 2016 14:08:05 +0100 |
parents | b1291df2f780 |
children | a3a65de1840f |
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 |
208 | 5 * |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
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32 #include "../PrecompiledHeaders.h" |
208 | 33 #include "FilesystemHttpSender.h" |
34 | |
1522 | 35 #include "../OrthancException.h" |
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36 |
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37 static const size_t CHUNK_SIZE = 64 * 1024; // Use 64KB chunks |
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38 |
208 | 39 namespace Orthanc |
40 { | |
1522 | 41 void FilesystemHttpSender::Initialize(const boost::filesystem::path& path) |
208 | 42 { |
1522 | 43 SetContentFilename(path.filename().string()); |
44 file_.open(path.string().c_str(), std::ifstream::binary); | |
45 | |
46 if (!file_.is_open()) | |
47 { | |
48 throw OrthancException(ErrorCode_InexistentFile); | |
49 } | |
208 | 50 |
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51 file_.seekg(0, file_.end); |
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52 size_ = file_.tellg(); |
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53 file_.seekg(0, file_.beg); |
217 | 54 } |
55 | |
1522 | 56 |
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57 bool FilesystemHttpSender::ReadNextChunk() |
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58 { |
1525 | 59 if (chunk_.size() == 0) |
1522 | 60 { |
1525 | 61 chunk_.resize(CHUNK_SIZE); |
1522 | 62 } |
63 | |
1525 | 64 file_.read(&chunk_[0], chunk_.size()); |
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65 |
1525 | 66 if ((file_.flags() & std::istream::failbit) || |
67 file_.gcount() < 0) | |
1522 | 68 { |
1525 | 69 throw OrthancException(ErrorCode_CorruptedFile); |
1522 | 70 } |
71 | |
1525 | 72 chunkSize_ = file_.gcount(); |
73 | |
74 return chunkSize_ > 0; | |
208 | 75 } |
76 } |