Mercurial > hg > orthanc
annotate OrthancFramework/Sources/DicomFormat/StreamBlockReader.h @ 4706:dbee8bd8ee1f
display OpenSSL version in the logs
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Tue, 22 Jun 2021 09:13:03 +0200 |
parents | d9473bd5ed43 |
children | 7053502fbf97 |
rev | line source |
---|---|
4220
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
1 /** |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
2 * Orthanc - A Lightweight, RESTful DICOM Store |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
4 * Department, University Hospital of Liege, Belgium |
4437
d9473bd5ed43
upgrade to year 2021
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4296
diff
changeset
|
5 * Copyright (C) 2017-2021 Osimis S.A., Belgium |
4220
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
6 * |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
7 * This program is free software: you can redistribute it and/or |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
8 * modify it under the terms of the GNU Lesser General Public License |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
9 * as published by the Free Software Foundation, either version 3 of |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
10 * the License, or (at your option) any later version. |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
11 * |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
12 * This program is distributed in the hope that it will be useful, but |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
15 * Lesser General Public License for more details. |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
16 * |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
17 * You should have received a copy of the GNU Lesser General Public |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
18 * License along with this program. If not, see |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
19 * <http://www.gnu.org/licenses/>. |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
20 **/ |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
21 |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
22 |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
23 #pragma once |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
24 |
4224 | 25 #include "../OrthancFramework.h" // For ORTHANC_PUBLIC |
26 | |
4220
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
27 #include <boost/noncopyable.hpp> |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
28 #include <istream> |
4225 | 29 #include <stdint.h> |
4220
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
30 #include <string> |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
31 |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
32 |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
33 namespace Orthanc |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
34 { |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
35 /** |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
36 * This class is used to extract blocks of given size from a |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
37 * stream. Bytes from the stream are buffered until the requested |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
38 * size is available, and the full block can be returned. |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
39 **/ |
4224 | 40 class ORTHANC_PUBLIC StreamBlockReader : public boost::noncopyable |
4220
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
41 { |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
42 private: |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
43 std::istream& stream_; |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
44 std::string block_; |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
45 size_t blockPos_; |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
46 uint64_t processedBytes_; |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
47 |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
48 public: |
4223 | 49 explicit StreamBlockReader(std::istream& stream); |
4220
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
50 |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
51 /** |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
52 * Schedule the size of the next block to be extracted from the |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
53 * stream. |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
54 **/ |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
55 void Schedule(size_t blockSize); |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
56 |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
57 /** |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
58 * Extract the block whose size was configured by the previous |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
59 * call to "Schedule()". Returns "false" iff not enough bytes are |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
60 * available from the stream yet: In this case, try again later. |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
61 **/ |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
62 bool Read(std::string& block); |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
63 |
4296
3b70a2e6a06c
moving inline methods to source files for ABI compatibility
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
4225
diff
changeset
|
64 uint64_t GetProcessedBytes() const; |
4220
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
65 }; |
92a21efa5c96
reorganization of DicomStreamReader
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff
changeset
|
66 } |