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 General Public License as
9  * published by the Free Software Foundation, either version 3 of the
10  * License, or (at your option) any later version.
11  *
12  * In addition, as a special exception, the copyright holders of this
13  * program give permission to link the code of its release with the
14  * OpenSSL project's "OpenSSL" library (or with modified versions of it
15  * that use the same license as the "OpenSSL" library), and distribute
16  * the linked executables. You must obey the GNU General Public License
17  * in all respects for all of the code used other than "OpenSSL". If you
18  * modify file(s) with this exception, you may extend this exception to
19  * your version of the file(s), but you are not obligated to do so. If
20  * you do not wish to do so, delete this exception statement from your
21  * version. If you delete this exception statement from all source files
22  * in the program, then also delete it here.
23  *
24  * This program is distributed in the hope that it will be useful, but
25  * WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
27  * General Public License for more details.
28  *
29  * You should have received a copy of the GNU General Public License
30  * along with this program. If not, see <http://www.gnu.org/licenses/>.
31  **/
32 
33 
34 #pragma once
35 
36 #if ORTHANC_ENABLE_PLUGINS == 1
37 
38 #include "IPluginServiceProvider.h"
39 
40 #include <map>
41 #include <list>
42 
43 namespace Orthanc
44 {
45   class PluginsManager : public boost::noncopyable
46   {
47   private:
48     class Plugin : public boost::noncopyable
49     {
50     private:
51       OrthancPluginContext  context_;
52       SharedLibrary         library_;
53       std::string           version_;
54       PluginsManager&       pluginManager_;
55 
56     public:
57       Plugin(PluginsManager& pluginManager,
58              const std::string& path);
59 
GetSharedLibrary()60       SharedLibrary& GetSharedLibrary()
61       {
62         return library_;
63       }
64 
SetVersion(const std::string & version)65       void SetVersion(const std::string& version)
66       {
67         version_ = version;
68       }
69 
GetVersion()70       const std::string& GetVersion() const
71       {
72         return version_;
73       }
74 
GetPluginManager()75       PluginsManager& GetPluginManager()
76       {
77         return pluginManager_;
78       }
79 
GetContext()80       OrthancPluginContext& GetContext()
81       {
82         return context_;
83       }
84     };
85 
86     typedef std::map<std::string, Plugin*>  Plugins;
87 
88     Plugins  plugins_;
89     std::list<IPluginServiceProvider*> serviceProviders_;
90 
91     static OrthancPluginErrorCode InvokeService(OrthancPluginContext* context,
92                                                 _OrthancPluginService service,
93                                                 const void* parameters);
94 
95   public:
96     PluginsManager();
97 
98     ~PluginsManager();
99 
100     void RegisterPlugin(const std::string& path);
101 
102     void ScanFolderForPlugins(const std::string& path,
103                               bool isRecursive);
104 
RegisterServiceProvider(IPluginServiceProvider & provider)105     void RegisterServiceProvider(IPluginServiceProvider& provider)
106     {
107       serviceProviders_.push_back(&provider);
108     }
109 
110     void ListPlugins(std::list<std::string>& result) const;
111 
112     bool HasPlugin(const std::string& name) const;
113 
114     const std::string& GetPluginVersion(const std::string& name) const;
115 
116     static std::string GetPluginName(SharedLibrary& library);
117   };
118 }
119 
120 #endif
121