| 44 | : plugin_paths_(std::move(plugin_paths)) {} |
| 45 | |
| 46 | size_t PluginManager::load_plugins() { |
| 47 | // scan for .so or .dll for each path. |
| 48 | size_t loaded = 0; |
| 49 | |
| 50 | for (const auto &path : plugin_paths_) { |
| 51 | try { |
| 52 | // read dir content.. |
| 53 | for (const auto &entry : fs::directory_iterator(path)) { |
| 54 | if (not fs::is_regular_file(entry.status())) |
| 55 | continue; |
| 56 | |
| 57 | #ifdef _WIN32 |
| 58 | |
| 59 | if (entry.path().extension() != ".dll") |
| 60 | continue; |
| 61 | |
| 62 | // open .dll |
| 63 | std::string dllPath = entry.path().string(); |
| 64 | |
| 65 | HMODULE hndl = LoadLibraryA(dllPath.c_str()); |
| 66 | if (hndl == nullptr) { |
| 67 | DWORD errorCode = GetLastError(); |
| 68 | LPSTR buffer = nullptr; |
| 69 | DWORD size = FormatMessageA( |
| 70 | FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | |
| 71 | FORMAT_MESSAGE_IGNORE_INSERTS, |
| 72 | nullptr, |
| 73 | errorCode, |
| 74 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), |
| 75 | reinterpret_cast<LPSTR>(&buffer), |
| 76 | 0, |
| 77 | nullptr); |
| 78 | std::string errorMsg(buffer, size); |
| 79 | LocalFree(buffer); |
| 80 | spdlog::warn("{} {}", __PRETTY_FUNCTION__, errorMsg); |
| 81 | continue; |
| 82 | } |
| 83 | |
| 84 | plugin_factory_collection_ptr pfcp; |
| 85 | pfcp = reinterpret_cast<plugin_factory_collection_ptr>( |
| 86 | GetProcAddress(hndl, "plugin_factory_collection_ptr")); |
| 87 | |
| 88 | if (pfcp == nullptr) { |
| 89 | spdlog::debug("{} {}", __PRETTY_FUNCTION__, GetLastErrorAsString()); |
| 90 | FreeLibrary(hndl); |
| 91 | continue; |
| 92 | } |
| 93 | #else |
| 94 | if (entry.path().extension() != ".so" && entry.path().extension() != ".dylib") |
| 95 | continue; |
| 96 | // only want .so / .dylib |
| 97 | // clear any errors.. |
| 98 | dlerror(); |
| 99 | |
| 100 | // open .so |
| 101 | void *hndl = dlopen(entry.path().c_str(), RTLD_NOW); |
| 102 | if (hndl == nullptr) { |
| 103 | spdlog::warn("{} {}", __PRETTY_FUNCTION__, dlerror()); |