Mercurial > hg > orthanc
comparison Core/HttpServer/HttpStreamTranscoder.h @ 1525:f9b0169eb6bb
testing
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 11 Aug 2015 17:50:38 +0200 |
parents | |
children | 096a8af528c9 |
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1524:4a0c2eedceb6 | 1525:f9b0169eb6bb |
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1 /** | |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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 | |
32 | |
33 #pragma once | |
34 | |
35 #include "BufferHttpSender.h" | |
36 | |
37 #include <memory> // For std::auto_ptr | |
38 | |
39 namespace Orthanc | |
40 { | |
41 class HttpStreamTranscoder : public IHttpStreamAnswer | |
42 { | |
43 private: | |
44 IHttpStreamAnswer& source_; | |
45 CompressionType sourceCompression_; | |
46 uint64_t bytesToSkip_; | |
47 uint64_t skipped_; | |
48 uint64_t currentChunkOffset_; | |
49 | |
50 std::auto_ptr<BufferHttpSender> uncompressed_; | |
51 | |
52 void ReadSource(std::string& buffer); | |
53 | |
54 public: | |
55 HttpStreamTranscoder(IHttpStreamAnswer& source, | |
56 CompressionType compression) : | |
57 source_(source), | |
58 sourceCompression_(compression), | |
59 bytesToSkip_(0), | |
60 skipped_(0) | |
61 { | |
62 } | |
63 | |
64 // This is the first method to be called | |
65 virtual HttpCompression SetupHttpCompression(bool gzipAllowed, | |
66 bool deflateAllowed); | |
67 | |
68 virtual bool HasContentFilename(std::string& filename) | |
69 { | |
70 return source_.HasContentFilename(filename); | |
71 } | |
72 | |
73 virtual std::string GetContentType() | |
74 { | |
75 return source_.GetContentType(); | |
76 } | |
77 | |
78 virtual uint64_t GetContentLength(); | |
79 | |
80 virtual bool ReadNextChunk(); | |
81 | |
82 virtual const char* GetChunkContent(); | |
83 | |
84 virtual size_t GetChunkSize(); | |
85 }; | |
86 } |