Example usage for io.netty.resolver.dns DnsServerAddressStreamProvider nameServerAddressStream

Introduction

In this page you can find the example usage for io.netty.resolver.dns DnsServerAddressStreamProvider nameServerAddressStream.

Prototype

DnsServerAddressStream nameServerAddressStream(String hostname);

Source Link

Document

Ask this provider for the name servers to query for hostname .

Usage

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

License:Apache License

@Test
public void serverAddresses() {
    // Should be set by default.
    assertThat(builder().serverAddressStreamProvider()).isNotNull();

    // Should use the sequential stream when set by a user.
    final DnsServerAddressStreamProvider provider = builder()
            .serverAddresses(new InetSocketAddress("1.1.1.1", 53), new InetSocketAddress("1.0.0.1", 53))
            .serverAddressStreamProvider();

    final DnsServerAddressStream stream = provider.nameServerAddressStream("foo.com");
    assertThat(stream.size()).isEqualTo(2);
    assertThat(stream.next()).isEqualTo(new InetSocketAddress("1.1.1.1", 53));
    assertThat(stream.next()).isEqualTo(new InetSocketAddress("1.0.0.1", 53));
    assertThat(stream.next()).isEqualTo(new InetSocketAddress("1.1.1.1", 53));
    assertThat(stream.next()).isEqualTo(new InetSocketAddress("1.0.0.1", 53));
}

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