934a07fbe2
Motivation: We can omit argument types when using Java8. Modification: Omit arguments where possible. Result: Cleaner code.
71 lines
2.8 KiB
Java
71 lines
2.8 KiB
Java
/*
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* Copyright 2016 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.resolver.dns;
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import io.netty.channel.EventLoopGroup;
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import io.netty.channel.MultithreadEventLoopGroup;
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import io.netty.channel.nio.NioHandler;
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import io.netty.channel.socket.nio.NioDatagramChannel;
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import io.netty.handler.codec.dns.DefaultDnsOptEcsRecord;
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import io.netty.handler.codec.dns.DnsRecord;
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import io.netty.util.internal.SocketUtils;
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import io.netty.util.concurrent.Future;
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import org.junit.Ignore;
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import org.junit.Test;
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import java.net.InetAddress;
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import java.util.Collections;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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public class DnsNameResolverClientSubnetTest {
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// See https://www.gsic.uva.es/~jnisigl/dig-edns-client-subnet.html
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// Ignore as this needs to query real DNS servers.
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@Ignore
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@Test
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public void testSubnetQuery() throws Exception {
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EventLoopGroup group = new MultithreadEventLoopGroup(1, NioHandler.newFactory());
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DnsNameResolver resolver = newResolver(group).build();
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try {
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// Same as:
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// # /.bind-9.9.3-edns/bin/dig @ns1.google.com www.google.es +client=157.88.0.0/24
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Future<List<InetAddress>> future = resolver.resolveAll("www.google.es",
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Collections.singleton(
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// Suggest max payload size of 1024
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// 157.88.0.0 / 24
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new DefaultDnsOptEcsRecord(1024, 24,
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SocketUtils.addressByName("157.88.0.0").getAddress())));
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for (InetAddress address: future.syncUninterruptibly().getNow()) {
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System.err.println(address);
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}
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} finally {
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resolver.close();
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group.shutdownGracefully(0, 0, TimeUnit.SECONDS);
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}
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}
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private static DnsNameResolverBuilder newResolver(EventLoopGroup group) {
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return new DnsNameResolverBuilder(group.next())
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.channelType(NioDatagramChannel.class)
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.nameServerProvider(
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new SingletonDnsServerAddressStreamProvider(SocketUtils.socketAddress("8.8.8.8", 53)))
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.maxQueriesPerResolve(1)
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.optResourceEnabled(false)
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.ndots(1);
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}
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}
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