mirror of
https://github.com/scylladb/scylladb.git
synced 2026-04-24 18:40:38 +00:00
a14a28cdf4
Fixes #5808 Seems some gcc:s will generate the code as sign extending. Mine does not, but this should be more correct anyhow. Added small stringify test to serialization_test for inet_address
88 lines
2.9 KiB
C++
88 lines
2.9 KiB
C++
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you 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.
|
|
*
|
|
* Modified by ScyllaDB
|
|
* Copyright (C) 2016 ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* This file is part of Scylla.
|
|
*
|
|
* Scylla is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Scylla is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <iomanip>
|
|
#include <boost/io/ios_state.hpp>
|
|
#include <seastar/net/inet_address.hh>
|
|
#include <seastar/net/dns.hh>
|
|
#include <seastar/core/print.hh>
|
|
#include <seastar/core/future.hh>
|
|
#include "inet_address.hh"
|
|
#include "to_string.hh"
|
|
|
|
using namespace seastar;
|
|
|
|
future<gms::inet_address> gms::inet_address::lookup(sstring name, opt_family family, opt_family preferred) {
|
|
return seastar::net::dns::get_host_by_name(name, family).then([preferred](seastar::net::hostent&& h) {
|
|
for (auto& addr : h.addr_list) {
|
|
if (!preferred || addr.in_family() == preferred) {
|
|
return gms::inet_address(addr);
|
|
}
|
|
}
|
|
return gms::inet_address(h.addr_list.front());
|
|
});
|
|
}
|
|
|
|
std::ostream& gms::operator<<(std::ostream& os, const inet_address& x) {
|
|
if (x.addr().is_ipv4()) {
|
|
return os << x.addr();
|
|
}
|
|
|
|
boost::io::ios_flags_saver fs(os);
|
|
|
|
os << std::hex;
|
|
auto&& bytes = x.bytes();
|
|
auto i = 0u;
|
|
auto acc = 0u;
|
|
// extra paranoid sign extension evasion - #5808
|
|
for (uint8_t b : bytes) {
|
|
acc <<= 8;
|
|
acc |= b;
|
|
if ((++i & 1) == 0) {
|
|
os << (std::exchange(acc, 0u) & 0xffff);
|
|
if (i != bytes.size()) {
|
|
os << ":";
|
|
}
|
|
}
|
|
}
|
|
os << std::dec;
|
|
if (x.addr().scope() != seastar::net::inet_address::invalid_scope) {
|
|
os << '%' << x.addr().scope();
|
|
}
|
|
return os;
|
|
} |