Struct Ext

pub struct Ext {
    pub extended_type: u32,
    pub metadata: BytesMut,
    pub data: BytesMut,
    /* private fields */
}

EXT (Extension) Frame (0x3F)

The general format for an extension frame is given below.

Frame Contents

 0                   1                   2                   3
 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|                           Stream ID                           |
+-----------+-+-+---------------+-------------------------------+
|Frame Type |I|M|    Flags      |
+-------------------------------+-------------------------------+
|0|                      Extended Type                          |
+---------------------------------------------------------------+
                     Depends on Extended Type...

Fields

extended_type: u32

Extended Type

Unsigned 31-bit integer of Extended type information. Value MUST be > 0.

metadata: BytesMut

Extended Payload Metadata

data: BytesMut

Extended Payload Data

Implementations

impl Ext

pub fn set_metadata(&mut self, metadata: BytesMut)

Sets the value of Ext.metadata

pub const fn builder() -> ExtBuilder

Creates a builder to builder a frame of this type.

Trait Implementations

impl Clone for Ext

fn clone(&self) -> Ext

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Ext

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Decoder for Ext

type Error = Error

The type of error that can occur if decoding fails.

fn decode(__buf: &mut BytesMut) -> Result<Self, Self::Error>

Decodes a value from the given buffer.

fn has_enough_bytes(_buf: &BytesMut) -> bool

Returns true if the given buffer can be decoded.

impl Encoder for Ext

type Error = Error

The type of error that can occur if encoding fails.

fn encode(input: &Self, __buf: &mut BytesMut) -> Result<(), Self::Error>

Encodes the given input into the output buffer.

fn size_of(input: &Self) -> usize

Returns the number of bytes required to encode the given input.

impl FrameVariant for Ext

const FLAGS_MASK: FrameFlags

Mask that flags of a variant must be in.

fn flags(&self) -> FrameFlags

Gets the flags of the variant.

const REQUIRED_FLAGS: FrameFlags = _

Flags that must be set for a variant.

impl From<Ext> for Frame

fn from(value: Ext) -> Self

Converts to this type from the input type.