SharedMemoryUtils.hpp

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// @formatter:off
//
// Balau core C++ library
//
// Copyright (C) 2017 Bora Software (contact@borasoftware.com)
//
// Licensed under the Boost Software License - Version 1.0 - August 17th, 2003.
// See the LICENSE file for the full license text.
//


#ifndef COM_BORA_SOFTWARE__BALAU_INTERPROCESS__SHARED_MEMORY_UTILS
#define COM_BORA_SOFTWARE__BALAU_INTERPROCESS__SHARED_MEMORY_UTILS

#include <Balau/Type/UUID.hpp>
#include <Balau/Util/Strings.hpp>

#include <boost/interprocess/managed_shared_memory.hpp>
#include <boost/dll/runtime_symbol_info.hpp>

namespace Balau::Interprocess {

using CreateOnlySelector = boost::interprocess::create_only_t;

using OpenOrCreateSelector = boost::interprocess::open_or_create_t;

using OpenOnlySelector = boost::interprocess::open_only_t;

using OpenReadOnlySelector = boost::interprocess::open_read_only_t;


extern const CreateOnlySelector CreateOnly;

extern const OpenOrCreateSelector OpenOrCreate;

extern const OpenOnlySelector OpenOnly;

extern const OpenReadOnlySelector OpenReadOnly;


struct SharedMemoryUtils {
    static std::string namePrefixFromAppPath() {
        return Util::Strings::replaceAll(boost::dll::program_location().string(), "[:/\\\\]", "_");
    }

    static std::string namePrefixFromUUID() {
        return Util::Strings::replaceAll(UUID().asString(), "-", "_");
    }


    public: SharedMemoryUtils() = delete;
    public: SharedMemoryUtils(const SharedMemoryUtils &) = delete;
    public: SharedMemoryUtils & operator = (const SharedMemoryUtils &) = delete;
};

} // namespace Balau::Interprocess

#endif // COM_BORA_SOFTWARE__BALAU_INTERPROCESS__SHARED_MEMORY_UTILS