Class RClassInternal

constructor

• new RClass(nameOrId: number | RCLASS, flushOrQu?: boolean): RClass

  Constructs a new Resource Record Class

  Parameters

  • nameOrId: number | RCLASS

    the class name or numeric ID

  • OptionalflushOrQu: boolean

    optional override for the flush/QU bit

  Returns RClass

flushOrQu

Readonlyid

Readonlyname

Static ReadonlyID_TO_NAME

Static ReadonlyNAME_TO_ID

buffer

• get buffer(): Buffer

  Returns the class as a 2-byte big-endian Buffer, with flush/QU bit injected

  Returns Buffer

toString

• toString(): string

  Returns the class name as a string

  Returns string

Staticfrom

• from(buffer: Reader | Buffer<ArrayBufferLike>): RClass

  Decodes a Resource Record Class from the byte stream

  Parameters

  • buffer: Reader | Buffer<ArrayBufferLike>

    the byte stream or raw buffer

  Returns RClass

StaticidToName

• idToName(type: number): RCLASS

  Converts a numeric class ID to its name

  Parameters

  • type: number

    the numeric class ID

  Returns RCLASS

StaticinjectFlushOrQu

• injectFlushOrQu(type: number, flushOrQu: boolean): number

  Injects the flush/QU bit into a class ID to produce the raw 16-bit value

  Parameters

  • type: number

    the base class ID

  • flushOrQu: boolean

    whether to set the high bit

  Returns number

StaticnameToId

• nameToId(name: RCLASS): number

  Converts a class name to its numeric ID

  Parameters

  • name: RCLASS

    the class name

  Returns number

StaticparseFlushOrQu

• parseFlushOrQu(type: number): { flushOrQu: boolean; qClass: number }

  Extracts the flush/QU bit and base class ID from a raw 16-bit class value

  Parameters

  • type: number

    the raw 16-bit class field value

  Returns { flushOrQu: boolean; qClass: number }