Mercurial > hg > orthanc-databases
comparison Odbc/Plugins/IndexPlugin.cpp @ 329:b5fb8b77ce4d
initial commit of ODBC framework
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 10 Aug 2021 20:08:53 +0200 |
parents | |
children | 674bbb9d1c83 |
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328:6a49c495c940 | 329:b5fb8b77ce4d |
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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) 2017-2021 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 "OdbcIndex.h" | |
23 | |
24 #include "../../Framework/Plugins/PluginInitialization.h" | |
25 #include "../../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" | |
26 | |
27 #include <Logging.h> | |
28 | |
29 | |
30 #if defined(_WIN32) | |
31 # warning Strings have not been tested on Windows (UTF-16 issues ahead)! | |
32 # include <windows.h> | |
33 #else | |
34 # include <ltdl.h> | |
35 # include <libltdl/lt_dlloader.h> | |
36 #endif | |
37 | |
38 | |
39 static const char* const KEY_ODBC = "Odbc"; | |
40 | |
41 | |
42 extern "C" | |
43 { | |
44 #if !defined(_WIN32) | |
45 extern lt_dlvtable *dlopen_LTX_get_vtable(lt_user_data loader_data); | |
46 #endif | |
47 | |
48 | |
49 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context) | |
50 { | |
51 if (!OrthancDatabases::InitializePlugin(context, "ODBC", true)) | |
52 { | |
53 return -1; | |
54 } | |
55 | |
56 #if !defined(_WIN32) | |
57 lt_dlinit(); | |
58 | |
59 /** | |
60 * The following call is necessary for "libltdl" to access the | |
61 * "dlopen()" primitives if statically linking. Otherwise, only the | |
62 * "preopen" primitives are available. | |
63 **/ | |
64 lt_dlloader_add(dlopen_LTX_get_vtable(NULL)); | |
65 #endif | |
66 | |
67 OrthancPlugins::OrthancConfiguration configuration; | |
68 | |
69 if (!configuration.IsSection(KEY_ODBC)) | |
70 { | |
71 LOG(WARNING) << "No available configuration for the ODBC index plugin"; | |
72 return 0; | |
73 } | |
74 | |
75 OrthancPlugins::OrthancConfiguration odbc; | |
76 configuration.GetSection(odbc, KEY_ODBC); | |
77 | |
78 bool enable; | |
79 if (!odbc.LookupBooleanValue(enable, "EnableIndex") || | |
80 !enable) | |
81 { | |
82 LOG(WARNING) << "The ODBC index is currently disabled, set \"EnableIndex\" " | |
83 << "to \"true\" in the \"" << KEY_ODBC << "\" section of the configuration file of Orthanc"; | |
84 return 0; | |
85 } | |
86 | |
87 try | |
88 { | |
89 const std::string connectionString = odbc.GetStringValue("IndexConnectionString", ""); | |
90 const unsigned int countConnections = odbc.GetUnsignedIntegerValue("IndexConnectionsCount", 1); | |
91 const unsigned int maxConnectionRetries = odbc.GetUnsignedIntegerValue("MaxConnectionRetries", 10); | |
92 const unsigned int connectionRetryInterval = odbc.GetUnsignedIntegerValue("ConnectionRetryInterval", 5); | |
93 | |
94 if (connectionString.empty()) | |
95 { | |
96 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange, | |
97 "No connection string provided for the ODBC index"); | |
98 } | |
99 | |
100 std::unique_ptr<OrthancDatabases::OdbcIndex> index(new OrthancDatabases::OdbcIndex(context, connectionString)); | |
101 index->SetMaxConnectionRetries(maxConnectionRetries); | |
102 index->SetConnectionRetryInterval(connectionRetryInterval); | |
103 | |
104 OrthancDatabases::IndexBackend::Register(index.release(), countConnections, maxConnectionRetries); | |
105 } | |
106 catch (Orthanc::OrthancException& e) | |
107 { | |
108 LOG(ERROR) << e.What(); | |
109 return -1; | |
110 } | |
111 catch (...) | |
112 { | |
113 LOG(ERROR) << "Native exception while initializing the plugin"; | |
114 return -1; | |
115 } | |
116 | |
117 return 0; | |
118 } | |
119 | |
120 | |
121 ORTHANC_PLUGINS_API void OrthancPluginFinalize() | |
122 { | |
123 LOG(WARNING) << "ODBC index is finalizing"; | |
124 OrthancDatabases::IndexBackend::Finalize(); | |
125 } | |
126 | |
127 | |
128 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() | |
129 { | |
130 return "odbc-index"; | |
131 } | |
132 | |
133 | |
134 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() | |
135 { | |
136 return ORTHANC_PLUGIN_VERSION; | |
137 } | |
138 } |