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63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
/*
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* Copyright 2015 Cloudius Systems
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <boost/asio/ip/address_v4.hpp>
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#include <sys/socket.h>
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#include "core/sstring.hh"
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#include "core/future.hh"
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namespace dns {
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enum class address_family {
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INET = AF_INET,
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INET6 = AF_INET6
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};
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union host_addr {
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in_addr in;
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in6_addr in6;
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};
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struct hostent {
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sstring name;
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std::vector<sstring> aliases;
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address_family addrtype;
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std::vector<host_addr> addresses;
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};
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// ATTENTION: this is stub only. It translates "localhost" into loopback address
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// otherwise it assumes that string is an IP address already
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future<hostent> gethostbyname(sstring name) {
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hostent e = {name, {}, address_family::INET};
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host_addr a;
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if (name == "localhost") {
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a.in.s_addr = static_cast<in_addr_t>(boost::asio::ip::address_v4::loopback().to_ulong());
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} else {
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a.in.s_addr = static_cast<in_addr_t>(boost::asio::ip::address_v4::from_string(name).to_ulong());
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}
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e.addresses.push_back(std::move(a));
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return make_ready_future<hostent>(std::move(e));
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}
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}
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