Example usage for io.netty.handler.codec.dns DefaultDnsQuestion DefaultDnsQuestion

Introduction

In this page you can find the example usage for io.netty.handler.codec.dns DefaultDnsQuestion DefaultDnsQuestion.

Prototype

public DefaultDnsQuestion(String name, DnsRecordType type) 

Source Link

Document

Creates a new #CLASS_IN IN-class question.

Usage

From source file:chat.viska.xmpp.Connection.java

License:Apache License

private static Single<List<DnsRecord>> lookupDnsUsingNetty(final String query, final DnsRecordType type,
        @Nullable final Iterable<String> dns) {
    final NioEventLoopGroup threadPool = new NioEventLoopGroup();
    final DnsNameResolverBuilder builder = new DnsNameResolverBuilder(threadPool.next());
    builder.channelFactory(new ReflectiveChannelFactory<>(NioDatagramChannel.class));
    builder.decodeIdn(true);//from  ww w  .  j a  v a  2 s  .  c o m
    if (dns != null) {
        builder.searchDomains(dns);
    }
    return Single.fromFuture(builder.build().query(new DefaultDnsQuestion(query, type)))
            .map(AddressedEnvelope::content).map(message -> {
                final int recordsSize = message.count(DnsSection.ANSWER);
                final List<DnsRecord> records = new ArrayList<>(recordsSize);
                for (int it = 0; it < recordsSize; ++it) {
                    records.add(message.recordAt(DnsSection.ANSWER, it));
                }
                return records;
            }).doFinally(threadPool::shutdownGracefully);
}

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From source file:com.linecorp.armeria.client.endpoint.dns.DnsAddressEndpointGroup.java

License:Apache License

private static List<DnsQuestion> newQuestions(String hostname,
        @Nullable ResolvedAddressTypes resolvedAddressTypes) {

    if (resolvedAddressTypes == null) {
        if (NetUtil.isIpV4StackPreferred()) {
            resolvedAddressTypes = ResolvedAddressTypes.IPV4_ONLY;
        } else {/*from ww w  . java2  s  .  c o m*/
            resolvedAddressTypes = ResolvedAddressTypes.IPV4_PREFERRED;
        }
    }

    final ImmutableList.Builder<DnsQuestion> builder = ImmutableList.builder();
    switch (resolvedAddressTypes) {
    case IPV4_ONLY:
    case IPV4_PREFERRED:
    case IPV6_PREFERRED:
        builder.add(new DefaultDnsQuestion(hostname, DnsRecordType.A));
        break;
    }
    switch (resolvedAddressTypes) {
    case IPV6_ONLY:
    case IPV4_PREFERRED:
    case IPV6_PREFERRED:
        builder.add(new DefaultDnsQuestion(hostname, DnsRecordType.AAAA));
        break;
    }
    return builder.build();
}

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From source file:com.linecorp.armeria.client.endpoint.dns.DnsAddressEndpointGroupTest.java

License:Apache License

@Test
public void ipV4Only() throws Exception {
    try (TestDnsServer server = new TestDnsServer(ImmutableMap.of(new DefaultDnsQuestion("foo.com.", A),
            new DefaultDnsResponse(0).addRecord(ANSWER, newAddressRecord("foo.com.", "1.1.1.1"))
                    .addRecord(ANSWER, newAddressRecord("unrelated.com", "1.2.3.4"))))) {
        try (DnsAddressEndpointGroup group = new DnsAddressEndpointGroupBuilder("foo.com").port(8080)
                .serverAddresses(server.addr()).resolvedAddressTypes(ResolvedAddressTypes.IPV4_ONLY).build()) {

            assertThat(group.awaitInitialEndpoints())
                    .containsExactly(Endpoint.of("foo.com", 8080).withIpAddr("1.1.1.1"));
        }/*from   w w  w .  j  a va 2s  . co m*/
    }
}

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From source file:com.linecorp.armeria.client.endpoint.dns.DnsAddressEndpointGroupTest.java

License:Apache License

@Test
public void ipV6Only() throws Exception {
    try (TestDnsServer server = new TestDnsServer(ImmutableMap.of(new DefaultDnsQuestion("bar.com.", AAAA),
            new DefaultDnsResponse(0).addRecord(ANSWER, newAddressRecord("bar.com.", "::1"))
                    .addRecord(ANSWER, newAddressRecord("bar.com.", "::1234:5678:90ab"))
                    .addRecord(ANSWER, newAddressRecord("bar.com.", "2404:6800:4004:806::2013"))))) {
        try (DnsAddressEndpointGroup group = new DnsAddressEndpointGroupBuilder("bar.com").port(8080)
                .serverAddresses(server.addr()).resolvedAddressTypes(ResolvedAddressTypes.IPV6_ONLY).build()) {

            assertThat(group.awaitInitialEndpoints()).containsExactly(
                    Endpoint.of("bar.com", 8080).withIpAddr("2404:6800:4004:806::2013"),
                    Endpoint.of("bar.com", 8080).withIpAddr("::1"),
                    Endpoint.of("bar.com", 8080).withIpAddr("::1234:5678:90ab"));
        }/*w  w w.jav  a2 s .c o m*/
    }
}

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From source file:com.linecorp.armeria.client.endpoint.dns.DnsAddressEndpointGroupTest.java

License:Apache License

@Test
public void ipV4AndIpV6() throws Exception {
    try (TestDnsServer server = new TestDnsServer(ImmutableMap.of(new DefaultDnsQuestion("baz.com.", A),
            new DefaultDnsResponse(0).addRecord(ANSWER, newAddressRecord("baz.com.", "1.1.1.1")),
            new DefaultDnsQuestion("baz.com.", AAAA),
            new DefaultDnsResponse(0).addRecord(ANSWER, newAddressRecord("baz.com.", "::1"))))) {
        try (DnsAddressEndpointGroup group = new DnsAddressEndpointGroupBuilder("baz.com").port(8080)
                .serverAddresses(server.addr()).resolvedAddressTypes(ResolvedAddressTypes.IPV4_PREFERRED)
                .build()) {/* w ww . j a  v a  2 s  .  c  o  m*/

            assertThat(group.awaitInitialEndpoints()).containsExactly(
                    Endpoint.of("baz.com", 8080).withIpAddr("1.1.1.1"),
                    Endpoint.of("baz.com", 8080).withIpAddr("::1"));
        }
    }
}

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From source file:com.linecorp.armeria.client.endpoint.dns.DnsAddressEndpointGroupTest.java

License:Apache License

@Test
public void platformDefault() throws Exception {
    try (TestDnsServer server = new TestDnsServer(ImmutableMap.of(new DefaultDnsQuestion("baz.com.", A),
            new DefaultDnsResponse(0).addRecord(ANSWER, newAddressRecord("baz.com.", "1.1.1.1")),
            new DefaultDnsQuestion("baz.com.", AAAA),
            new DefaultDnsResponse(0).addRecord(ANSWER, newAddressRecord("baz.com.", "::1"))))) {
        try (DnsAddressEndpointGroup group = new DnsAddressEndpointGroupBuilder("baz.com").port(8080)
                .serverAddresses(server.addr()).build()) {

            assertThat(group.awaitInitialEndpoints())
                    .contains(Endpoint.of("baz.com", 8080).withIpAddr("1.1.1.1"));
        }/*from   ww  w  . j av a  2 s  . c  o m*/
    }
}

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From source file:com.linecorp.armeria.client.endpoint.dns.DnsAddressEndpointGroupTest.java

License:Apache License

@Test
public void cname() throws Exception {
    try (TestDnsServer server = new TestDnsServer(ImmutableMap.of(new DefaultDnsQuestion("a.com.", A),
            new DefaultDnsResponse(0).addRecord(ANSWER, newBadAddressRecord("a.com.", true))
                    .addRecord(ANSWER, newCnameRecord("a.com.", "b.com."))
                    .addRecord(ANSWER, newAddressRecord("b.com.", "1.1.1.1")),
            new DefaultDnsQuestion("a.com.", AAAA),
            new DefaultDnsResponse(0).addRecord(ANSWER, newBadAddressRecord("a.com.", false))
                    .addRecord(ANSWER, newCnameRecord("a.com.", "b.com."))
                    .addRecord(ANSWER, newAddressRecord("b.com.", "::1"))))) {
        try (DnsAddressEndpointGroup group = new DnsAddressEndpointGroupBuilder("a.com").port(8080)
                .serverAddresses(server.addr()).resolvedAddressTypes(ResolvedAddressTypes.IPV4_PREFERRED)
                .build()) {/*  w  w w.j  ava2  s . co m*/

            assertThat(group.awaitInitialEndpoints()).containsExactly(
                    Endpoint.of("a.com", 8080).withIpAddr("1.1.1.1"),
                    Endpoint.of("a.com", 8080).withIpAddr("::1"));
        }
    }
}

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From source file:com.linecorp.armeria.client.endpoint.dns.DnsAddressEndpointGroupTest.java

License:Apache License

@Test
public void mixedLoopbackAddresses() throws Exception {
    try (TestDnsServer server = new TestDnsServer(ImmutableMap.of(new DefaultDnsQuestion("foo.com.", A),
            new DefaultDnsResponse(0).addRecord(ANSWER, newAddressRecord("foo.com.", "127.0.0.1")),
            new DefaultDnsQuestion("foo.com.", AAAA),
            new DefaultDnsResponse(0).addRecord(ANSWER, newAddressRecord("foo.com.", "::1"))))) {
        try (DnsAddressEndpointGroup group = new DnsAddressEndpointGroupBuilder("foo.com").port(8080)
                .serverAddresses(server.addr()).resolvedAddressTypes(ResolvedAddressTypes.IPV4_PREFERRED)
                .build()) {//from www . jav a2s.c om

            assertThat(group.awaitInitialEndpoints())
                    .containsExactly(Endpoint.of("foo.com", 8080).withIpAddr("127.0.0.1"));
        }
    }
}

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From source file:com.linecorp.armeria.client.endpoint.dns.DnsAddressEndpointGroupTest.java

License:Apache License

@Test
public void ipV4MappedOrCompatibleAddresses() throws Exception {
    try (TestDnsServer server = new TestDnsServer(ImmutableMap.of(new DefaultDnsQuestion("bar.com.", AAAA),
            new DefaultDnsResponse(0).addRecord(ANSWER, newCompatibleAddressRecord("bar.com.", "1.1.1.1"))
                    .addRecord(ANSWER, newCompatibleAddressRecord("bar.com.", "1.1.1.2"))
                    .addRecord(ANSWER, newMappedAddressRecord("bar.com.", "1.1.1.1"))
                    .addRecord(ANSWER, newMappedAddressRecord("bar.com.", "1.1.1.3"))))) {
        try (DnsAddressEndpointGroup group = new DnsAddressEndpointGroupBuilder("bar.com").port(8080)
                .serverAddresses(server.addr()).resolvedAddressTypes(ResolvedAddressTypes.IPV6_ONLY).build()) {

            assertThat(group.awaitInitialEndpoints()).containsExactly(
                    Endpoint.of("bar.com", 8080).withIpAddr("1.1.1.1"),
                    Endpoint.of("bar.com", 8080).withIpAddr("1.1.1.2"),
                    Endpoint.of("bar.com", 8080).withIpAddr("1.1.1.3"));
        }//  w w w. j  ava 2 s  .  c  o  m
    }
}

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From source file:com.linecorp.armeria.client.endpoint.dns.DnsAddressEndpointGroupTest.java

License:Apache License

@Test
public void noPort() throws Exception {
    try (TestDnsServer server = new TestDnsServer(ImmutableMap.of(new DefaultDnsQuestion("no-port.com.", A),
            new DefaultDnsResponse(0).addRecord(ANSWER, newAddressRecord("no-port.com", "1.1.1.1"))))) {
        try (DnsAddressEndpointGroup group = new DnsAddressEndpointGroupBuilder("no-port.com")
                .serverAddresses(server.addr()).resolvedAddressTypes(ResolvedAddressTypes.IPV4_ONLY).build()) {

            assertThat(group.awaitInitialEndpoints())
                    .containsExactly(Endpoint.of("no-port.com").withIpAddr("1.1.1.1"));
        }/*w  w  w.  j  a v  a  2  s.  co m*/
    }
}

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