81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
#pragma once
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#if !defined(MIJIN_NET_IP_HPP_INCLUDED)
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#define MIJIN_NET_IP_HPP_INCLUDED 1
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#include <array>
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#include <variant>
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#include "../async/coroutine.hpp"
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#include "../container/optional.hpp"
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#include "../internal/common.hpp"
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#include "../io/stream.hpp" // TODO: rename Stream{Error,Result} to IO{*}
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namespace mijin
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{
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struct IPv4Address
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{
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std::array<std::uint8_t, 4> octets;
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auto operator<=>(const IPv4Address&) const MIJIN_NOEXCEPT = default;
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[[nodiscard]] std::string toString() const;
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[[nodiscard]]
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static Optional<IPv4Address> fromString(std::string_view stringView) MIJIN_NOEXCEPT;
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};
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struct IPv6Address
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{
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std::array<std::uint16_t, 8> hextets;
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auto operator<=>(const IPv6Address&) const MIJIN_NOEXCEPT = default;
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[[nodiscard]] std::string toString() const;
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[[nodiscard]]
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static Optional<IPv6Address> fromString(std::string_view stringView) MIJIN_NOEXCEPT;
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};
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using ip_address_t = std::variant<IPv4Address, IPv6Address>;
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[[nodiscard]]
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inline std::string ipAddressToString(const ip_address_t& address) MIJIN_NOEXCEPT
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{
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if (address.valueless_by_exception())
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{
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return "";
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}
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return std::visit([](const auto& addr) { return addr.toString(); }, address);
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}
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[[nodiscard]]
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inline Optional<ip_address_t> ipAddressFromString(std::string_view stringView) MIJIN_NOEXCEPT
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{
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if (Optional<IPv4Address> ipv4Address = IPv4Address::fromString(stringView); !ipv4Address.empty())
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{
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return ip_address_t(*ipv4Address);
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}
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if (Optional<IPv6Address> ipv6Address = IPv6Address::fromString(stringView); !ipv6Address.empty())
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{
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return ip_address_t(*ipv6Address);
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}
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return NULL_OPTIONAL;
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}
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[[nodiscard]]
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Task<StreamResult<std::vector<ip_address_t>>> c_resolveHostname(std::string hostname) MIJIN_NOEXCEPT;
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[[nodiscard]]
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inline Task<StreamResult<std::vector<ip_address_t>>> c_resolveHostname(std::string_view hostname) MIJIN_NOEXCEPT
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{
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return c_resolveHostname(std::string(hostname.begin(), hostname.end()));
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}
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[[nodiscard]]
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inline Task<StreamResult<std::vector<ip_address_t>>> c_resolveHostname(const char* hostname) MIJIN_NOEXCEPT
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{
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return c_resolveHostname(std::string(hostname));
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}
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}
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#endif // !defined(MIJIN_NET_IP_HPP_INCLUDED)
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