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https://github.com/scylladb/scylladb.git
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85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/*
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* Copyright (C) 2015-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.1
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*/
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#pragma once
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#include <seastar/net/ipv4_address.hh>
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#include <seastar/net/inet_address.hh>
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#include <seastar/net/socket_defs.hh>
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#include <optional>
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#include <functional>
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#include "bytes_fwd.hh"
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namespace gms {
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class inet_address {
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private:
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net::inet_address _addr;
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public:
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inet_address() = default;
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explicit inet_address(int32_t ip) noexcept
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: inet_address(uint32_t(ip)) {
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}
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explicit inet_address(uint32_t ip) noexcept
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: _addr(net::ipv4_address(ip)) {
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}
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inet_address(const net::inet_address& addr) noexcept : _addr(addr) {}
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inet_address(const socket_address& sa) noexcept
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: inet_address(sa.addr())
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{}
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const net::inet_address& addr() const noexcept {
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return _addr;
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}
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inet_address(const inet_address&) = default;
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operator const seastar::net::inet_address&() const noexcept {
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return _addr;
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}
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// throws std::invalid_argument if sstring is invalid
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explicit inet_address(const sstring& addr) {
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// FIXME: We need a real DNS resolver
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if (addr == "localhost") {
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_addr = net::ipv4_address("127.0.0.1");
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} else {
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_addr = net::inet_address(addr);
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}
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}
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bytes_view bytes() const noexcept {
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return bytes_view(reinterpret_cast<const int8_t*>(_addr.data()), _addr.size());
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}
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constexpr bool operator==(const inet_address&) const noexcept = default;
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constexpr auto operator<=>(const inet_address& o) const noexcept {
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return bytes() <=> o.bytes();
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}
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friend struct std::hash<inet_address>;
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using opt_family = std::optional<net::inet_address::family>;
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static future<inet_address> lookup(sstring, opt_family family = {}, opt_family preferred = {});
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};
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}
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namespace std {
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template<>
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struct hash<gms::inet_address> {
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size_t operator()(gms::inet_address a) const noexcept { return std::hash<net::inet_address>()(a._addr); }
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};
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}
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template <>
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struct fmt::formatter<gms::inet_address> : fmt::formatter<string_view> {
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template <typename FormatContext>
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auto format(const ::gms::inet_address& x, FormatContext& ctx) const {
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return fmt::format_to(ctx.out(), "{}", x.addr());
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}
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};
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