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DnsMessage Type — netty Architecture

Architecture documentation for the DnsMessage type/interface in DnsMessage.java from the netty codebase.

Type java

Entity Profile

Dependency Diagram

graph TD
  b85afdec_1de9_a523_fb4d_e32da0a49fac["DnsMessage"]
  7cf5a8ba_ae92_1409_fb5f_a769c1ddabd3["DnsMessage.java"]
  b85afdec_1de9_a523_fb4d_e32da0a49fac -->|defined in| 7cf5a8ba_ae92_1409_fb5f_a769c1ddabd3
  style b85afdec_1de9_a523_fb4d_e32da0a49fac fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-dns/src/main/java/io/netty/handler/codec/dns/DnsMessage.java lines 23–156

public interface DnsMessage extends ReferenceCounted {

    /**
     * Returns the {@code ID} of this DNS message.
     */
    int id();

    /**
     * Sets the {@code ID} of this DNS message.
     */
    DnsMessage setId(int id);

    /**
     * Returns the {@code opCode} of this DNS message.
     */
    DnsOpCode opCode();

    /**
     * Sets the {@code opCode} of this DNS message.
     */
    DnsMessage setOpCode(DnsOpCode opCode);

    /**
     * Returns the {@code RD} (recursion desired} field of this DNS message.
     */
    boolean isRecursionDesired();

    /**
     * Sets the {@code RD} (recursion desired} field of this DNS message.
     */
    DnsMessage setRecursionDesired(boolean recursionDesired);

    /**
     * Returns the {@code Z} (reserved for future use) field of this DNS message.
     */
    int z();

    /**
     * Sets the {@code Z} (reserved for future use) field of this DNS message.
     */
    DnsMessage setZ(int z);

    /**
     * Returns the number of records in the specified {@code section} of this DNS message.
     */
    int count(DnsSection section);

    /**
     * Returns the number of records in this DNS message.
     */
    int count();

    /**
     * Returns the first record in the specified {@code section} of this DNS message.
     * When the specified {@code section} is {@link DnsSection#QUESTION}, the type of the returned record is
     * always {@link DnsQuestion}.
     *
     * @return {@code null} if this message doesn't have any records in the specified {@code section}
     */
    <T extends DnsRecord> T recordAt(DnsSection section);

    /**
     * Returns the record at the specified {@code index} of the specified {@code section} of this DNS message.
     * When the specified {@code section} is {@link DnsSection#QUESTION}, the type of the returned record is
     * always {@link DnsQuestion}.
     *
     * @throws IndexOutOfBoundsException if the specified {@code index} is out of bounds
     */
    <T extends DnsRecord> T recordAt(DnsSection section, int index);

    /**
     * Sets the specified {@code section} of this DNS message to the specified {@code record},
     * making it a single-record section. When the specified {@code section} is {@link DnsSection#QUESTION},
     * the specified {@code record} must be a {@link DnsQuestion}.
     */
    DnsMessage setRecord(DnsSection section, DnsRecord record);

    /**
     * Sets the specified {@code record} at the specified {@code index} of the specified {@code section}
     * of this DNS message. When the specified {@code section} is {@link DnsSection#QUESTION},
     * the specified {@code record} must be a {@link DnsQuestion}.

Defined In

Source

Frequently Asked Questions

What is the DnsMessage type?
DnsMessage is a type/interface in the netty codebase, defined in codec-dns/src/main/java/io/netty/handler/codec/dns/DnsMessage.java.
Where is DnsMessage defined?
DnsMessage is defined in codec-dns/src/main/java/io/netty/handler/codec/dns/DnsMessage.java at line 23.

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