Mercurial > hg > orthanc-transfers
comparison Framework/SourceDicomInstance.cpp @ 0:95226b754d9e
initial release
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 17 Sep 2018 11:34:55 +0200 |
parents | |
children | 4c3437217518 |
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-1:000000000000 | 0:95226b754d9e |
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1 /** | |
2 * Transfers accelerator plugin for Orthanc | |
3 * Copyright (C) 2018 Osimis, Belgium | |
4 * | |
5 * This program is free software: you can redistribute it and/or | |
6 * modify it under the terms of the GNU Affero General Public License | |
7 * as published by the Free Software Foundation, either version 3 of | |
8 * the License, or (at your option) any later version. | |
9 * | |
10 * This program is distributed in the hope that it will be useful, but | |
11 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 * Affero General Public License for more details. | |
14 * | |
15 * You should have received a copy of the GNU Affero General Public License | |
16 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 **/ | |
18 | |
19 | |
20 #include "SourceDicomInstance.h" | |
21 | |
22 #include <Core/Logging.h> | |
23 #include <Core/Toolbox.h> | |
24 #include <Plugins/Samples/Common/OrthancPluginCppWrapper.h> | |
25 | |
26 | |
27 namespace OrthancPlugins | |
28 { | |
29 SourceDicomInstance::SourceDicomInstance(OrthancPluginContext* context, | |
30 const std::string& instanceId) : | |
31 context_(context) | |
32 { | |
33 LOG(INFO) << "Transfers accelerator reading DICOM instance: " << instanceId; | |
34 | |
35 MemoryBuffer buffer(context); | |
36 buffer.GetDicomInstance(instanceId); | |
37 | |
38 info_.reset(new DicomInstanceInfo(instanceId, buffer)); | |
39 | |
40 buffer_ = buffer.Release(); | |
41 } | |
42 | |
43 | |
44 SourceDicomInstance::~SourceDicomInstance() | |
45 { | |
46 OrthancPluginFreeMemoryBuffer(context_, &buffer_); | |
47 } | |
48 | |
49 | |
50 const DicomInstanceInfo& SourceDicomInstance::GetInfo() const | |
51 { | |
52 assert(info_.get() != NULL); | |
53 return *info_; | |
54 } | |
55 | |
56 | |
57 void SourceDicomInstance::GetChunk(std::string& target /* out */, | |
58 std::string& md5 /* out */, | |
59 size_t offset, | |
60 size_t size) const | |
61 { | |
62 if (offset + size > buffer_.size) | |
63 { | |
64 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
65 } | |
66 | |
67 const char* start = reinterpret_cast<const char*>(buffer_.data) + offset; | |
68 target.assign(start, start + size); | |
69 | |
70 Orthanc::Toolbox::ComputeMD5(md5, start, size); | |
71 } | |
72 } |