Mercurial > hg > orthanc

annotate Core/SharedLibrary.cpp @ 3346:f509d3c6d570

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
increasing default value of QueryRetrieveSize to 100
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 09 Apr 2019 08:26:29 +0200
parents 4e43e67f8ecf
children 94f4a18a79cc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
884
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
1 /**
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
2 * Orthanc - A Lightweight, RESTful DICOM Store
1900
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1632
diff changeset
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
1288
6e7e5ed91c2d upgrade to year 2015
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1032
diff changeset
4 * Department, University Hospital of Liege, Belgium
3060
4e43e67f8ecf preparing for 2019
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2954
diff changeset
5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
884
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
6 *
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
7 * This program is free software: you can redistribute it and/or
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
8 * modify it under the terms of the GNU General Public License as
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
9 * published by the Free Software Foundation, either version 3 of the
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
10 * License, or (at your option) any later version.
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
11 *
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
12 * In addition, as a special exception, the copyright holders of this
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
13 * program give permission to link the code of its release with the
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
15 * that use the same license as the "OpenSSL" library), and distribute
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
16 * the linked executables. You must obey the GNU General Public License
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
17 * in all respects for all of the code used other than "OpenSSL". If you
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
18 * modify file(s) with this exception, you may extend this exception to
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
19 * your version of the file(s), but you are not obligated to do so. If
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
20 * you do not wish to do so, delete this exception statement from your
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
21 * version. If you delete this exception statement from all source files
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
22 * in the program, then also delete it here.
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
23 *
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
24 * This program is distributed in the hope that it will be useful, but
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
25 * WITHOUT ANY WARRANTY; without even the implied warranty of
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
27 * General Public License for more details.
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
28 *
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
29 * You should have received a copy of the GNU General Public License
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
31 **/
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
32
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
33
2463
be5c0f4155f6 move SharedLibrary into OrthancFramework
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
34 #include "PrecompiledHeaders.h"
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
35 #include "SharedLibrary.h"
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
36
2463
be5c0f4155f6 move SharedLibrary into OrthancFramework
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
37 #include "Logging.h"
be5c0f4155f6 move SharedLibrary into OrthancFramework
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2447
diff changeset
38 #include "OrthancException.h"
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
39
1630
ffd23c0104af "/system" URI gives information about the plugins used for storage area and DB back-end
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1625
diff changeset
40 #include <boost/filesystem.hpp>
ffd23c0104af "/system" URI gives information about the plugins used for storage area and DB back-end
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1625
diff changeset
41
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
42 #if defined(_WIN32)
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
43 #include <windows.h>
2364
ae50eccd41b7 compilation succeeds on OpenBSD
jodogne
parents: 2244
diff changeset
44 #elif defined(__linux__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) || defined(__OpenBSD__)
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
45 #include <dlfcn.h>
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
46 #else
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
47 #error Support your platform here
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
48 #endif
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
49
884
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
50 namespace Orthanc
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
51 {
1631
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1630
diff changeset
52 SharedLibrary::SharedLibrary(const std::string& path) :
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1630
diff changeset
53 path_(path),
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1630
diff changeset
54 handle_(NULL)
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
55 {
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
56 #if defined(_WIN32)
1630
ffd23c0104af "/system" URI gives information about the plugins used for storage area and DB back-end
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1625
diff changeset
57 handle_ = ::LoadLibraryA(path_.c_str());
893
f57802f8b4dc plugins for windows
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 887
diff changeset
58 if (handle_ == NULL)
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
59 {
1630
ffd23c0104af "/system" URI gives information about the plugins used for storage area and DB back-end
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1625
diff changeset
60 LOG(ERROR) << "LoadLibrary(" << path_ << ") failed: Error " << ::GetLastError();
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
61 throw OrthancException(ErrorCode_SharedLibrary);
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
62 }
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
63
2364
ae50eccd41b7 compilation succeeds on OpenBSD
jodogne
parents: 2244
diff changeset
64 #elif defined(__linux__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) || defined(__OpenBSD__)
1630
ffd23c0104af "/system" URI gives information about the plugins used for storage area and DB back-end
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1625
diff changeset
65 handle_ = ::dlopen(path_.c_str(), RTLD_NOW);
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
66 if (handle_ == NULL)
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
67 {
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
68 std::string explanation;
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
69 const char *tmp = ::dlerror();
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
70 if (tmp)
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
71 {
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
72 explanation = ": Error " + std::string(tmp);
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
73 }
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
74
1630
ffd23c0104af "/system" URI gives information about the plugins used for storage area and DB back-end
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1625
diff changeset
75 LOG(ERROR) << "dlopen(" << path_ << ") failed" << explanation;
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
76 throw OrthancException(ErrorCode_SharedLibrary);
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
77 }
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
78
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
79 #else
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
80 #error Support your platform here
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
81 #endif
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
82 }
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
83
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
84 SharedLibrary::~SharedLibrary()
884
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
85 {
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
86 if (handle_)
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
87 {
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
88 #if defined(_WIN32)
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
89 ::FreeLibrary((HMODULE)handle_);
2364
ae50eccd41b7 compilation succeeds on OpenBSD
jodogne
parents: 2244
diff changeset
90 #elif defined(__linux__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) || defined(__OpenBSD__)
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
91 ::dlclose(handle_);
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
92 #else
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
93 #error Support your platform here
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
94 #endif
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
95 }
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
96 }
884
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
97
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
98
893
f57802f8b4dc plugins for windows
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 887
diff changeset
99 SharedLibrary::FunctionPointer SharedLibrary::GetFunctionInternal(const std::string& name)
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
100 {
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
101 if (!handle_)
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
102 {
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
103 throw OrthancException(ErrorCode_InternalError);
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
104 }
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
105
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
106 #if defined(_WIN32)
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
107 return ::GetProcAddress((HMODULE)handle_, name.c_str());
2364
ae50eccd41b7 compilation succeeds on OpenBSD
jodogne
parents: 2244
diff changeset
108 #elif defined(__linux__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) || defined(__OpenBSD__)
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
109 return ::dlsym(handle_, name.c_str());
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
110 #else
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
111 #error Support your platform here
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
112 #endif
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
113 }
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
114
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
115
893
f57802f8b4dc plugins for windows
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 887
diff changeset
116 SharedLibrary::FunctionPointer SharedLibrary::GetFunction(const std::string& name)
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
117 {
893
f57802f8b4dc plugins for windows
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 887
diff changeset
118 SharedLibrary::FunctionPointer result = GetFunctionInternal(name);
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
119
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
120 if (result == NULL)
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
121 {
2954
d924f9bb61cc taking advantage of details in OrthancException
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2463
diff changeset
122 throw OrthancException(
d924f9bb61cc taking advantage of details in OrthancException
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2463
diff changeset
123 ErrorCode_SharedLibrary,
d924f9bb61cc taking advantage of details in OrthancException
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 2463
diff changeset
124 "Shared library does not expose function \"" + name + "\"");
885
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
125 }
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
126 else
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
127 {
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
128 return result;
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
129 }
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
130 }
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
131
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
132
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
133 bool SharedLibrary::HasFunction(const std::string& name)
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
134 {
0570a8c859cb SharedLibrary class
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 884
diff changeset
135 return GetFunctionInternal(name) != NULL;
884
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
136 }
cd8a69aa4093 creation of branch plugins
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
diff changeset
137 }