//-----------------------------------------------------------------------------
//     ___                      __ _       _
//    / _ \__ _ _ __ ___  ___  / /(_)_ __ | | __
//   / /_)/ _` | '__/ __|/ _ \/ / | | '_ \| |/ /
//  / ___/ (_| | |  \__ \  __/ /__| | | | |   <
//  \/    \__,_|_|  |___/\___\____/_|_| |_|_|\_\ .
//
//-----------------------------------------------------------------------------
// Author: Kurt Sassenrath
// Module: proto
//
// Session ID implementation
//
// Copyright (c) 2023 Kurt Sassenrath.
//
// License TBD.
//-----------------------------------------------------------------------------
#include "parselink/proto/session_id.h"

#include "hydrogen.h"

namespace {
void ensure_initialized() {
    static auto init_crng [[maybe_unused]] = [] { return hydro_init(); }();
}

template <std::size_t N>
auto get_random_bytes() {
    ensure_initialized();
    std::array<std::byte, N> out;
    hydro_random_buf(out.data(), N);
    return out;
}

}

using namespace parselink::proto;
session_id::session_id() noexcept : bytes_(get_random_bytes<32>()) {}