dynamiclibrary.hpp

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/*
    Copyright (C) 2014-2016 Leosac

    This file is part of Leosac.

    Leosac is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    Leosac is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef DYNAMICLIBRARY_HPP
#define DYNAMICLIBRARY_HPP

extern "C" {
#include <dlfcn.h>
}

#include <string>

class DynamicLibrary
{
  public:
    enum class RelocationMode : int
    {
        Lazy = RTLD_LAZY,
        Now  = RTLD_NOW
    };

  public:
    explicit DynamicLibrary(const std::string &file);
    ~DynamicLibrary() = default;

    DynamicLibrary(const DynamicLibrary &other) = delete;
    DynamicLibrary &operator=(const DynamicLibrary &other) = delete;

  public:
    void open(RelocationMode mode = RelocationMode::Lazy);

    void close();

    void *getSymbol(const std::string &symbol);

    const std::string &getFilePath() const;

  private:
    std::string _file;
    void *_handle;
};

#endif // DYNAMICLIBRARY_HPP