Mercurial > hg > orthanc-databases
comparison Framework/Plugins/StorageBackend.cpp @ 1:d17b2631bb67
starting StorageBackend
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 04 Jul 2018 18:05:24 +0200 |
parents | |
children | 41543239072d |
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0:7cea966b6829 | 1:d17b2631bb67 |
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1 /** | |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2018 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "StorageBackend.h" | |
23 | |
24 #if HAS_ORTHANC_EXCEPTION != 1 | |
25 # error HAS_ORTHANC_EXCEPTION must be set to 1 | |
26 #endif | |
27 | |
28 #include <Core/OrthancException.h> | |
29 | |
30 | |
31 #define ORTHANC_PLUGINS_DATABASE_CATCH \ | |
32 catch (::Orthanc::OrthancException& e) \ | |
33 { \ | |
34 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode()); \ | |
35 } \ | |
36 catch (::std::runtime_error& e) \ | |
37 { \ | |
38 std::string s = "Exception in storage area back-end: " + std::string(e.what()); \ | |
39 OrthancPluginLogError(context_, s.c_str()); \ | |
40 return OrthancPluginErrorCode_DatabasePlugin; \ | |
41 } \ | |
42 catch (...) \ | |
43 { \ | |
44 OrthancPluginLogError(context_, "Native exception"); \ | |
45 return OrthancPluginErrorCode_DatabasePlugin; \ | |
46 } | |
47 | |
48 | |
49 namespace OrthancDatabases | |
50 { | |
51 StorageBackend::StorageBackend(IDatabaseFactory* factory) : | |
52 manager_(factory) | |
53 { | |
54 } | |
55 | |
56 | |
57 | |
58 static OrthancPluginContext* context_ = NULL; | |
59 static std::auto_ptr<StorageBackend> backend_; | |
60 | |
61 static OrthancPluginErrorCode StorageCreate(const char* uuid, | |
62 const void* content, | |
63 int64_t size, | |
64 OrthancPluginContentType type) | |
65 { | |
66 try | |
67 { | |
68 backend_->Create(uuid, content, static_cast<size_t>(size), type); | |
69 return OrthancPluginErrorCode_Success; | |
70 } | |
71 ORTHANC_PLUGINS_DATABASE_CATCH; | |
72 } | |
73 | |
74 | |
75 static OrthancPluginErrorCode StorageRead(void** content, | |
76 int64_t* size, | |
77 const char* uuid, | |
78 OrthancPluginContentType type) | |
79 { | |
80 try | |
81 { | |
82 size_t tmp; | |
83 backend_->Read(*content, tmp, uuid, type); | |
84 *size = static_cast<int64_t>(tmp); | |
85 return OrthancPluginErrorCode_Success; | |
86 } | |
87 ORTHANC_PLUGINS_DATABASE_CATCH; | |
88 } | |
89 | |
90 | |
91 static OrthancPluginErrorCode StorageRemove(const char* uuid, | |
92 OrthancPluginContentType type) | |
93 { | |
94 try | |
95 { | |
96 backend_->Remove(uuid, type); | |
97 return OrthancPluginErrorCode_Success; | |
98 } | |
99 ORTHANC_PLUGINS_DATABASE_CATCH; | |
100 } | |
101 | |
102 | |
103 void StorageBackend::Register(OrthancPluginContext* context, | |
104 StorageBackend* backend) | |
105 { | |
106 if (context == NULL || | |
107 backend == NULL) | |
108 { | |
109 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer); | |
110 } | |
111 | |
112 if (context_ != NULL || | |
113 backend_.get() != NULL) | |
114 { | |
115 // This function can only be invoked once in the plugin | |
116 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls); | |
117 } | |
118 else | |
119 { | |
120 context_ = context; | |
121 backend_.reset(backend); | |
122 | |
123 OrthancPluginRegisterStorageArea(context_, StorageCreate, StorageRead, StorageRemove); | |
124 } | |
125 } | |
126 | |
127 | |
128 void StorageBackend::Finalize() | |
129 { | |
130 backend_.reset(NULL); | |
131 context_ = NULL; | |
132 } | |
133 } |