uuid.cpp

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#include "uuid.h"
 
namespace unravel
{
 
namespace
{
auto get_generator() -> hpp::uuid_random_generator&
{
    static thread_local auto engine = []()
    {
        std::random_device rd;
        auto seed_data = std::array<int, std::mt19937::state_size>{};
        std::generate(std::begin(seed_data), std::end(seed_data), std::ref(rd));
        std::seed_seq seq(std::begin(seed_data), std::end(seed_data));
        std::mt19937 generator(seq);
        return generator;
    }();
 
    static thread_local hpp::uuid_random_generator gen{engine};
    return gen;
}
} // namespace
 
auto generate_uuid() -> hpp::uuid
{
    auto& generator = get_generator();
    return generator();
}
 
auto generate_uuid(const std::string& name) -> hpp::uuid
{
    hpp::uuid_name_generator generator({});
    return generator(name);
}
 
} // namespace unravel