Mercurial > hg > orthanc
annotate Core/HttpServer/HttpStreamTranscoder.h @ 2121:7e8889bc95c6
refactoring
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 07 Nov 2016 11:28:12 +0100 |
parents | b1291df2f780 |
children | 29689b30f9ae |
rev | line source |
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1525 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
1525 | 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_; | |
1526
096a8af528c9
fix streams, initialization/finalization of libcurl and openssl
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1525
diff
changeset
|
49 bool ready_; |
1525 | 50 |
51 std::auto_ptr<BufferHttpSender> uncompressed_; | |
52 | |
53 void ReadSource(std::string& buffer); | |
54 | |
1526
096a8af528c9
fix streams, initialization/finalization of libcurl and openssl
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1525
diff
changeset
|
55 HttpCompression SetupZlibCompression(bool deflateAllowed); |
096a8af528c9
fix streams, initialization/finalization of libcurl and openssl
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1525
diff
changeset
|
56 |
1525 | 57 public: |
58 HttpStreamTranscoder(IHttpStreamAnswer& source, | |
59 CompressionType compression) : | |
60 source_(source), | |
61 sourceCompression_(compression), | |
62 bytesToSkip_(0), | |
1526
096a8af528c9
fix streams, initialization/finalization of libcurl and openssl
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1525
diff
changeset
|
63 skipped_(0), |
096a8af528c9
fix streams, initialization/finalization of libcurl and openssl
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1525
diff
changeset
|
64 ready_(false) |
1525 | 65 { |
66 } | |
67 | |
68 // This is the first method to be called | |
69 virtual HttpCompression SetupHttpCompression(bool gzipAllowed, | |
70 bool deflateAllowed); | |
71 | |
72 virtual bool HasContentFilename(std::string& filename) | |
73 { | |
74 return source_.HasContentFilename(filename); | |
75 } | |
76 | |
77 virtual std::string GetContentType() | |
78 { | |
79 return source_.GetContentType(); | |
80 } | |
81 | |
82 virtual uint64_t GetContentLength(); | |
83 | |
84 virtual bool ReadNextChunk(); | |
85 | |
86 virtual const char* GetChunkContent(); | |
87 | |
88 virtual size_t GetChunkSize(); | |
89 }; | |
90 } |