mirror of
https://github.com/Icinga/icinga2.git
synced 2025-11-04 13:45:04 +01:00
69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
|
|
|
|
#include "base/library.hpp"
|
|
#include "base/loader.hpp"
|
|
#include "base/logger.hpp"
|
|
#include "base/exception.hpp"
|
|
#include "base/application.hpp"
|
|
|
|
using namespace icinga;
|
|
|
|
/**
|
|
* Loads the specified library.
|
|
*
|
|
* @param name The name of the library.
|
|
*/
|
|
Library::Library(const String& name)
|
|
{
|
|
String path;
|
|
#if defined(_WIN32)
|
|
path = name + ".dll";
|
|
#elif defined(__APPLE__)
|
|
path = "lib" + name + "." + Application::GetAppSpecVersion() + ".dylib";
|
|
#else /* __APPLE__ */
|
|
path = "lib" + name + ".so." + Application::GetAppSpecVersion();
|
|
#endif /* _WIN32 */
|
|
|
|
Log(LogNotice, "Library")
|
|
<< "Loading library '" << path << "'";
|
|
|
|
#ifdef _WIN32
|
|
HMODULE hModule = LoadLibrary(path.CStr());
|
|
|
|
if (!hModule) {
|
|
BOOST_THROW_EXCEPTION(win32_error()
|
|
<< boost::errinfo_api_function("LoadLibrary")
|
|
<< errinfo_win32_error(GetLastError())
|
|
<< boost::errinfo_file_name(path));
|
|
}
|
|
#else /* _WIN32 */
|
|
void *hModule = dlopen(path.CStr(), RTLD_NOW | RTLD_GLOBAL);
|
|
|
|
if (!hModule) {
|
|
BOOST_THROW_EXCEPTION(std::runtime_error("Could not load library '" + path + "': " + dlerror()));
|
|
}
|
|
#endif /* _WIN32 */
|
|
|
|
Loader::ExecuteDeferredInitializers();
|
|
|
|
m_Handle.reset(new LibraryHandle(hModule), [](LibraryHandle *handle) {
|
|
#ifdef _WIN32
|
|
FreeLibrary(*handle);
|
|
#else /* _WIN32 */
|
|
dlclose(*handle);
|
|
#endif /* _WIN32 */
|
|
});
|
|
}
|
|
|
|
void *Library::GetSymbolAddress(const String& name) const
|
|
{
|
|
if (!m_Handle)
|
|
BOOST_THROW_EXCEPTION(std::runtime_error("Invalid library handle"));
|
|
|
|
#ifdef _WIN32
|
|
return GetProcAddress(*m_Handle.get(), name.CStr());
|
|
#else /* _WIN32 */
|
|
return dlsym(*m_Handle.get(), name.CStr());
|
|
#endif /* _WIN32 */
|
|
}
|