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// Copyright 2023 Huawei Cloud Computing Technology Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef INCLUDED_SRC_BUILDTOOL_COMMON_PORT_HPP
#define INCLUDED_SRC_BUILDTOOL_COMMON_PORT_HPP
#include <cstdint>
#include <exception>
#include <limits>
#include <optional>
#include <string>
#include "gsl/gsl"
#include "src/buildtool/logging/log_level.hpp"
#include "src/buildtool/logging/logger.hpp"
#include "src/utils/cpp/type_safe_arithmetic.hpp"
// Port
struct PortTag : type_safe_arithmetic_tag<std::uint16_t> {};
using Port = type_safe_arithmetic<PortTag>;
[[nodiscard]] static auto ParsePort(int const port_num) noexcept
-> std::optional<Port> {
try {
static constexpr int kMaxPortNumber{
std::numeric_limits<std::uint16_t>::max()};
if (port_num >= 0 and port_num <= kMaxPortNumber) {
return gsl::narrow_cast<Port::value_t>(port_num);
}
} catch (std::out_of_range const& e) {
Logger::Log(LogLevel::Error, "Port raised out_of_range exception.");
}
return std::nullopt;
}
[[nodiscard]] static auto ParsePort(std::string const& port) noexcept
-> std::optional<Port> {
try {
auto port_num = std::stoi(port);
return ParsePort(port_num);
} catch (std::invalid_argument const& e) {
Logger::Log(LogLevel::Error, "Port raised invalid_argument exception.");
}
return std::nullopt;
}
#endif // INCLUDED_SRC_BUILDTOOL_COMMON_PORT_HPP
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