Mercurial > hg > orthanc-wsi
annotate Resources/Orthanc/Plugins/Engine/SharedLibrary.cpp @ 107:a3e8ac8b7256
support for OpenBSD
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 23 Aug 2017 11:10:48 +0200 |
| parents | ff0ef01c332c |
| children | a18bfe1fdd62 |
| rev | line source |
|---|---|
| 1 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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changeset
|
5 * Copyright (C) 2017 Osimis, Belgium |
| 1 | 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 #include "../../OrthancServer/PrecompiledHeadersServer.h" | |
| 35 #include "SharedLibrary.h" | |
| 36 | |
| 39 | 37 #if ORTHANC_ENABLE_PLUGINS != 1 |
| 1 | 38 #error The plugin support is disabled |
| 39 #endif | |
| 40 | |
| 41 | |
| 42 #include "../../Core/Logging.h" | |
| 43 #include "../../Core/Toolbox.h" | |
| 44 | |
| 45 #include <boost/filesystem.hpp> | |
| 46 | |
| 47 #if defined(_WIN32) | |
| 48 #include <windows.h> | |
| 107 | 49 #elif defined(__linux__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) || defined(__OpenBSD__) |
| 1 | 50 #include <dlfcn.h> |
| 51 #else | |
| 52 #error Support your platform here | |
| 53 #endif | |
| 54 | |
| 55 namespace Orthanc | |
| 56 { | |
| 57 SharedLibrary::SharedLibrary(const std::string& path) : | |
| 58 path_(path), | |
| 59 handle_(NULL) | |
| 60 { | |
| 61 #if defined(_WIN32) | |
| 62 handle_ = ::LoadLibraryA(path_.c_str()); | |
| 63 if (handle_ == NULL) | |
| 64 { | |
| 65 LOG(ERROR) << "LoadLibrary(" << path_ << ") failed: Error " << ::GetLastError(); | |
| 66 throw OrthancException(ErrorCode_SharedLibrary); | |
| 67 } | |
| 68 | |
| 107 | 69 #elif defined(__linux__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) || defined(__OpenBSD__) |
| 1 | 70 handle_ = ::dlopen(path_.c_str(), RTLD_NOW); |
| 71 if (handle_ == NULL) | |
| 72 { | |
| 73 std::string explanation; | |
| 74 const char *tmp = ::dlerror(); | |
| 75 if (tmp) | |
| 76 { | |
| 77 explanation = ": Error " + std::string(tmp); | |
| 78 } | |
| 79 | |
| 80 LOG(ERROR) << "dlopen(" << path_ << ") failed" << explanation; | |
| 81 throw OrthancException(ErrorCode_SharedLibrary); | |
| 82 } | |
| 83 | |
| 84 #else | |
| 85 #error Support your platform here | |
| 86 #endif | |
| 87 } | |
| 88 | |
| 89 SharedLibrary::~SharedLibrary() | |
| 90 { | |
| 91 if (handle_) | |
| 92 { | |
| 93 #if defined(_WIN32) | |
| 94 ::FreeLibrary((HMODULE)handle_); | |
| 107 | 95 #elif defined(__linux__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) || defined(__OpenBSD__) |
| 1 | 96 ::dlclose(handle_); |
| 97 #else | |
| 98 #error Support your platform here | |
| 99 #endif | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 | |
| 104 SharedLibrary::FunctionPointer SharedLibrary::GetFunctionInternal(const std::string& name) | |
| 105 { | |
| 106 if (!handle_) | |
| 107 { | |
| 108 throw OrthancException(ErrorCode_InternalError); | |
| 109 } | |
| 110 | |
| 111 #if defined(_WIN32) | |
| 112 return ::GetProcAddress((HMODULE)handle_, name.c_str()); | |
| 107 | 113 #elif defined(__linux__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) || defined(__OpenBSD__) |
| 1 | 114 return ::dlsym(handle_, name.c_str()); |
| 115 #else | |
| 116 #error Support your platform here | |
| 117 #endif | |
| 118 } | |
| 119 | |
| 120 | |
| 121 SharedLibrary::FunctionPointer SharedLibrary::GetFunction(const std::string& name) | |
| 122 { | |
| 123 SharedLibrary::FunctionPointer result = GetFunctionInternal(name); | |
| 124 | |
| 125 if (result == NULL) | |
| 126 { | |
| 127 LOG(ERROR) << "Shared library does not expose function \"" << name << "\""; | |
| 128 throw OrthancException(ErrorCode_SharedLibrary); | |
| 129 } | |
| 130 else | |
| 131 { | |
| 132 return result; | |
| 133 } | |
| 134 } | |
| 135 | |
| 136 | |
| 137 bool SharedLibrary::HasFunction(const std::string& name) | |
| 138 { | |
| 139 return GetFunctionInternal(name) != NULL; | |
| 140 } | |
| 141 } |