Example usage for io.netty.resolver ResolvedAddressTypes IPV4_ONLY

Introduction

In this page you can find the example usage for io.netty.resolver ResolvedAddressTypes IPV4_ONLY.

Prototype

ResolvedAddressTypes IPV4_ONLY

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Document

Only resolve IPv4 addresses

Usage

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.  j av  a2  s  .  com*/
            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  av  a 2  s  .  c om
    }
}

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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"));
        }/*from ww  w.  jav a2s .c  om*/
    }
}

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