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comparison Plugin/Plugin.cpp @ 0:520cba9a0d42

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initial commit
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 13 Jun 2019 14:57:22 +0200
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children d9e1b60a9aa6
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-1:000000000000 0:520cba9a0d42
1 /**
2 * Google Cloud Platform credentials for DICOMweb and Orthanc
3 * Copyright (C) 2019 Osimis S.A., Belgium
4 *
5 * This program is free software: you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation, either version 3 of the
8 * License, or (at your option) any later version.
9 *
10 * In addition, as a special exception, the copyright holders of this
11 * program give permission to link the code of its release with the
12 * OpenSSL project's "OpenSSL" library (or with modified versions of it
13 * that use the same license as the "OpenSSL" library), and distribute
14 * the linked executables. You must obey the GNU General Public License
15 * in all respects for all of the code used other than "OpenSSL". If you
16 * modify file(s) with this exception, you may extend this exception to
17 * your version of the file(s), but you are not obligated to do so. If
18 * you do not wish to do so, delete this exception statement from your
19 * version. If you delete this exception statement from all source files
20 * in the program, then also delete it here.
21 *
22 * This program is distributed in the hope that it will be useful, but
23 * WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
25 * General Public License for more details.
26 *
27 * You should have received a copy of the GNU General Public License
28 * along with this program. If not, see <http://www.gnu.org/licenses/>.
29 **/
30
31
32 #include "GoogleConfiguration.h"
33 #include "GoogleUpdater.h"
34
35 #include <Core/HttpClient.h>
36 #include <Core/Toolbox.h>
37 #include <Plugins/Samples/Common/OrthancPluginCppWrapper.h>
38
39
40 static bool CheckDicomWebVersion()
41 {
42 Json::Value dicomweb;
43 if (!OrthancPlugins::RestApiGet(dicomweb, "/plugins/dicom-web", false))
44 {
45 LOG(ERROR) << "The DICOMweb plugin is not installed, cannot start Google Cloud Platform plugin";
46 return false;
47 }
48 else if (dicomweb.type() != Json::objectValue ||
49 !dicomweb.isMember("Version") ||
50 dicomweb["Version"].type() != Json::stringValue)
51 {
52 LOG(ERROR) << "Cannot determine the version of the DICOMweb plugin, start Google Cloud Platform plugin";
53 return false;
54 }
55 else
56 {
57 std::string version = dicomweb["Version"].asString();
58
59 std::vector<std::string> tokens;
60 Orthanc::Toolbox::TokenizeString(tokens, version, '.');
61
62 bool ok = true;
63
64 if (tokens.size() == 2)
65 {
66 try
67 {
68 int major = boost::lexical_cast<int>(tokens[0]);
69 int minor = boost::lexical_cast<int>(tokens[1]);
70
71 ok = (major >= 1 ||
72 (major == 0 && minor >= 7));
73 }
74 catch (boost::bad_lexical_cast&)
75 {
76 ok = false;
77 }
78 }
79
80 if (!ok)
81 {
82 LOG(ERROR) << "The DICOMweb version (currently " << version
83 << ") must be above 0.7 to use the Google Cloud Platform plugin";
84 }
85
86 return ok;
87 }
88 }
89
90
91 OrthancPluginErrorCode OnChangeCallback(OrthancPluginChangeType changeType,
92 OrthancPluginResourceType resourceType,
93 const char* resourceId)
94 {
95 try
96 {
97 switch (changeType)
98 {
99 case OrthancPluginChangeType_OrthancStarted:
100 {
101 if (CheckDicomWebVersion())
102 {
103 GoogleUpdater::GetInstance().Start();
104 }
105
106 break;
107 }
108
109 case OrthancPluginChangeType_OrthancStopped:
110 GoogleUpdater::GetInstance().Stop();
111 break;
112
113 default:
114 break;
115 }
116 }
117 catch (Orthanc::OrthancException& e)
118 {
119 LOG(ERROR) << "Exception in the change callback: " << e.What();
120 return static_cast<OrthancPluginErrorCode>(e.GetErrorCode());
121 }
122
123 return OrthancPluginErrorCode_Success;
124 }
125
126
127
128 extern "C"
129 {
130 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* context)
131 {
132 OrthancPlugins::SetGlobalContext(context);
133 Orthanc::Logging::Initialize(context);
134
135 /* Check the version of the Orthanc core */
136 if (OrthancPluginCheckVersion(context) == 0)
137 {
138 OrthancPlugins::ReportMinimalOrthancVersion(ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER,
139 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER,
140 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER);
141 return -1;
142 }
143
144 try
145 {
146 Orthanc::Toolbox::InitializeOpenSsl();
147 Orthanc::HttpClient::GlobalInitialize();
148
149 GoogleConfiguration::GetInstance(); // Force the initialization of the singleton
150
151 OrthancPluginRegisterOnChangeCallback(context, OnChangeCallback);
152 }
153 catch (Orthanc::OrthancException& e)
154 {
155 OrthancPlugins::LogError("Error while initializing the Google Cloud Platform plugin: " +
156 std::string(e.What()));
157 return -1;
158 }
159
160 return 0;
161 }
162
163
164 ORTHANC_PLUGINS_API void OrthancPluginFinalize()
165 {
166 try
167 {
168 GoogleUpdater::GetInstance().Stop();
169 Orthanc::HttpClient::GlobalFinalize();
170 Orthanc::Toolbox::FinalizeOpenSsl();
171 }
172 catch (Orthanc::OrthancException&)
173 {
174 }
175 }
176
177
178 ORTHANC_PLUGINS_API const char* OrthancPluginGetName()
179 {
180 return "google-cloud-platform";
181 }
182
183
184 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion()
185 {
186 return GCP_PLUGIN_VERSION;
187 }
188 }