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/*
* This file is open source software, licensed to you under the terms
* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
* distributed with this work for additional information regarding copyright
* ownership. 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.
*/
/*
* Copyright (C) 2016 ScyllaDB.
*/
#include <vector>
#include <algorithm>
#include <seastar/core/do_with.hh>
#include <seastar/testing/test_case.hh>
#include <seastar/core/sstring.hh>
#include <seastar/core/reactor.hh>
#include <seastar/core/do_with.hh>
#include <seastar/core/future-util.hh>
#include <seastar/net/dns.hh>
#include <seastar/net/inet_address.hh>
using namespace seastar;
using namespace seastar::net;
static const inet_address google_addr = inet_address("216.58.201.164");
static const sstring google_name = "www.google.com";
static future<> test_resolve(dns_resolver::options opts) {
auto d = ::make_lw_shared<dns_resolver>(std::move(opts));
return d->get_host_by_name(google_name, inet_address::family::INET).then([d](hostent e) {
//BOOST_REQUIRE(std::count(e.addr_list.begin(), e.addr_list.end(), google_addr));
return d->get_host_by_addr(e.addr_list.front()).then([d, a = e.addr_list.front()](hostent e) {
return d->get_host_by_name(e.names.front(), inet_address::family::INET).then([a](hostent e) {
BOOST_REQUIRE(std::count(e.addr_list.begin(), e.addr_list.end(), a));
});
});
}).finally([d]{
return d->close();
});
}
static future<> test_bad_name(dns_resolver::options opts) {
auto d = ::make_lw_shared<dns_resolver>(std::move(opts));
return d->get_host_by_name("apa.ninja.gnu", inet_address::family::INET).then_wrapped([d](future<hostent> f) {
try {
f.get();
BOOST_FAIL("should not succeed");
} catch (...) {
// ok.
}
}).finally([d]{
return d->close();
});
}
SEASTAR_TEST_CASE(test_resolve_udp) {
return test_resolve(dns_resolver::options());
}
SEASTAR_TEST_CASE(test_bad_name_udp) {
return test_bad_name(dns_resolver::options());
}
SEASTAR_TEST_CASE(test_timeout_udp) {
dns_resolver::options opts;
opts.servers = std::vector<inet_address>({ inet_address("1.2.3.4") }); // not a server
opts.udp_port = 29953; // not a dns port
opts.timeout = std::chrono::milliseconds(500);
auto d = ::make_lw_shared<dns_resolver>(engine().net(), opts);
return d->get_host_by_name(google_name, inet_address::family::INET).then_wrapped([d](future<hostent> f) {
try {
f.get();
BOOST_FAIL("should not succeed");
} catch (...) {
// ok.
}
}).finally([d]{
return d->close();
});
}
// Currently failing, disable until fixed (#521)
#if 0
SEASTAR_TEST_CASE(test_resolve_tcp) {
dns_resolver::options opts;
opts.use_tcp_query = true;
return test_resolve(opts);
}
#endif
SEASTAR_TEST_CASE(test_bad_name_tcp) {
dns_resolver::options opts;
opts.use_tcp_query = true;
return test_bad_name(opts);
}
static const sstring imaps_service = "imaps";
static const sstring gmail_domain = "gmail.com";
static future<> test_srv() {
auto d = ::make_lw_shared<dns_resolver>();
return d->get_srv_records(dns_resolver::srv_proto::tcp,
imaps_service,
gmail_domain).then([d](dns_resolver::srv_records records) {
BOOST_REQUIRE(!records.empty());
for (auto& record : records) {
// record.target should end with "gmail.com"
BOOST_REQUIRE_GT(record.target.size(), gmail_domain.size());
BOOST_REQUIRE_EQUAL(record.target.compare(record.target.size() - gmail_domain.size(),
gmail_domain.size(),
gmail_domain),
0);
}
}).finally([d]{
return d->close();
});
}
SEASTAR_TEST_CASE(test_srv_tcp) {
return test_srv();
}
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