dll/example/tutorial4/load_self.cpp

// Copyright 2011-2012 Renato Tegon Forti.
// Copyright 2014 Renato Tegon Forti, 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)

// For more information, see http://www.boost.org

// -------------------------------------------------------------------------------------
// This example shows how to use load_self to load symbols direct on executable
// -------------------------------------------------------------------------------------

//[plugcpp_my_plugin_load_self
#include "static_plugin.hpp"
#include <iostream>

namespace dll = boost::dll;

int main() {
    std::cout << "Application started" << std::endl;
    
    dll::shared_library self;
    self.load_self();

    std::cout << "Call function" << std::endl;
    boost::function<boost::shared_ptr<my_plugin_api>()> creator 
        = self.get_alias<boost::shared_ptr<my_plugin_api>()>("create_plugin");

    std::cout << "Computed Value: " << creator()->calculate(2, 2) << std::endl;

    //<-
    {
        // This block is invisible for Quickbook documentation
        float v = creator()->version();
        if (!(v < 1.001 && v > 0.999)) {
            throw std::runtime_error("Failed check: v < 1.001 && v > 0.999");
        }

        float res = creator()->calculate(10, 10);
        if (!(res > -0.0001 && res < 0.00001)) {
            throw std::runtime_error("Failed check: res > -0.0001 && res < 0.00001");
        }
    }
    //->
}

//]