handleQueryResp() — netty Function Reference

Architecture documentation for the handleQueryResp() function in TcpDnsClient.java from the netty codebase.

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Dependency Diagram

graph TD
  42611615_134a_300f_56c1_226f1fc075c0["handleQueryResp()"]
  b78736d4_8edb_d42a_2963_35bd4229b033["TcpDnsClient"]
  42611615_134a_300f_56c1_226f1fc075c0 -->|defined in| b78736d4_8edb_d42a_2963_35bd4229b033
  cd1c434a_06e1_fddb_85cd_040fdb61f8c4["main()"]
  cd1c434a_06e1_fddb_85cd_040fdb61f8c4 -->|calls| 42611615_134a_300f_56c1_226f1fc075c0
  style 42611615_134a_300f_56c1_226f1fc075c0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

example/src/main/java/io/netty/example/dns/tcp/TcpDnsClient.java lines 57–70

    private static void handleQueryResp(DefaultDnsResponse msg) {
        if (msg.count(DnsSection.QUESTION) > 0) {
            DnsQuestion question = msg.recordAt(DnsSection.QUESTION, 0);
            System.out.printf("name: %s%n", question.name());
        }
        for (int i = 0, count = msg.count(DnsSection.ANSWER); i < count; i++) {
            DnsRecord record = msg.recordAt(DnsSection.ANSWER, i);
            if (record.type() == DnsRecordType.A) {
                //just print the IP after query
                DnsRawRecord raw = (DnsRawRecord) record;
                System.out.println(NetUtil.bytesToIpAddress(ByteBufUtil.getBytes(raw.content())));
            }
        }
    }