1 // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
2 // Copyright 2015-2019 Antony Polukhin.
3 //
4 // Distributed under the Boost Software License, Version 1.0.
5 // (See accompanying file LICENSE_1_0.txt
6 // or copy at http://www.boost.org/LICENSE_1_0.txt)
7
8 #include "../b2_workarounds.hpp"
9
10 //[callplugcpp_tutorial2
11 #include <boost/dll/import.hpp> // for import_alias
12 #include <boost/function.hpp>
13 #include <iostream>
14 #include "../tutorial_common/my_plugin_api.hpp"
15
16 namespace dll = boost::dll;
17
main(int argc,char * argv[])18 int main(int argc, char* argv[]) {
19 /*<-*/ b2_workarounds::argv_to_path_guard guard(argc, argv); /*->*/
20 boost::dll::fs::path shared_library_path(argv[1]); // argv[1] contains path to directory with our plugin library
21 shared_library_path /= "my_plugin_aggregator";
22 typedef boost::shared_ptr<my_plugin_api> (pluginapi_create_t)();
23 boost::function<pluginapi_create_t> creator;
24
25 creator = boost::dll::import_alias<pluginapi_create_t>( // type of imported symbol must be explicitly specified
26 shared_library_path, // path to library
27 "create_plugin", // symbol to import
28 dll::load_mode::append_decorations // do append extensions and prefixes
29 );
30
31 boost::shared_ptr<my_plugin_api> plugin = creator();
32 std::cout << "plugin->calculate(1.5, 1.5) call: " << plugin->calculate(1.5, 1.5) << std::endl;
33 std::cout << "plugin->calculate(1.5, 1.5) second call: " << plugin->calculate(1.5, 1.5) << std::endl;
34 std::cout << "Plugin Name: " << plugin->name() << std::endl;
35 }
36 //]
37