dll/example/tutorial2/tutorial2.cpp
2019-01-06 20:30:18 +03:00

37 lines
1.6 KiB
C++

// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
// Copyright 2015-2019 Antony Polukhin.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
#include "../b2_workarounds.hpp"
//[callplugcpp_tutorial2
#include <boost/dll/import.hpp> // for import_alias
#include <boost/function.hpp>
#include <iostream>
#include "../tutorial_common/my_plugin_api.hpp"
namespace dll = boost::dll;
int main(int argc, char* argv[]) {
/*<-*/ b2_workarounds::argv_to_path_guard guard(argc, argv); /*->*/
boost::dll::fs::path shared_library_path(argv[1]); // argv[1] contains path to directory with our plugin library
shared_library_path /= "my_plugin_aggregator";
typedef boost::shared_ptr<my_plugin_api> (pluginapi_create_t)();
boost::function<pluginapi_create_t> creator;
creator = boost::dll::import_alias<pluginapi_create_t>( // type of imported symbol must be explicitly specified
shared_library_path, // path to library
"create_plugin", // symbol to import
dll::load_mode::append_decorations // do append extensions and prefixes
);
boost::shared_ptr<my_plugin_api> plugin = creator();
std::cout << "plugin->calculate(1.5, 1.5) call: " << plugin->calculate(1.5, 1.5) << std::endl;
std::cout << "plugin->calculate(1.5, 1.5) second call: " << plugin->calculate(1.5, 1.5) << std::endl;
std::cout << "Plugin Name: " << plugin->name() << std::endl;
}
//]