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57 lines
2.1 KiB
C++
57 lines
2.1 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Modified by ScyllaDB
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* Copyright (C) 2016 ScyllaDB
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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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#include <seastar/net/inet_address.hh>
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#include <seastar/net/dns.hh>
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#include <seastar/core/print.hh>
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#include <seastar/core/future.hh>
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#include "inet_address.hh"
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using namespace seastar;
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future<gms::inet_address> gms::inet_address::lookup(sstring name, opt_family family, opt_family preferred) {
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return seastar::net::dns::get_host_by_name(name, family).then([preferred](seastar::net::hostent&& h) {
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for (auto& addr : h.addr_list) {
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if (!preferred || addr.in_family() == preferred) {
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return gms::inet_address(addr);
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}
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}
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return gms::inet_address(h.addr_list.front());
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});
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}
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