Method get_new_instance_handle

src/core/plugin-loader.cpp:123–150

}

std::pair<void*, void*> wf::get_new_instance_handle(const std::string& path, bool can_unload_so)
{
    if (!check_plugin_api_version(path, can_unload_so))
    {
        return {nullptr, nullptr};
    }

    // RTLD_GLOBAL is required for RTTI/dynamic_cast across plugins
    void *handle = dlopen(path.c_str(), RTLD_NOW | RTLD_GLOBAL);
    if (handle == NULL)
    {
        LOGE("error loading plugin [", path, "]: ", dlerror());
        return {nullptr, nullptr};
    }

    /* Check plugin version */
    auto new_instance_func_ptr = dlsym(handle, "newInstance");
    if (new_instance_func_ptr == NULL)
    {
        LOGE(path, ": missing newInstance(). ", dlerror());
        dlclose(handle);
        return {nullptr, nullptr};
    }

    LOGD("Loaded plugin ", path.c_str());

    return {handle, new_instance_func_ptr};
}

std::optional<wf::loaded_plugin_t> wf::plugin_manager_t::load_plugin_from_file(std::string path)
{