Struct RecordBatchHeader 

#[repr(C)]
pub struct RecordBatchHeader {

    pub base_offset: I64<BigEndian>,
    pub batch_length: I32<BigEndian>,
    pub partition_leader_epoch: I32<BigEndian>,
    pub magic: i8,
    pub crc: U32<BigEndian>,
    pub attributes: I16<BigEndian>,
    pub last_offset_delta: I32<BigEndian>,
    pub base_timestamp: I64<BigEndian>,
    pub max_timestamp: I64<BigEndian>,
    pub producer_id: I64<BigEndian>,
    pub producer_epoch: I16<BigEndian>,
    pub base_sequence: I32<BigEndian>,
    pub records_count: I32<BigEndian>,
}

The fixed 61-byte v2 record-batch header, reinterpreted in place from the wire bytes via zerocopy.

Fields

base_offset: I64<BigEndian>

batch_length: I32<BigEndian>

partition_leader_epoch: I32<BigEndian>

magic: i8

crc: U32<BigEndian>

attributes: I16<BigEndian>

last_offset_delta: I32<BigEndian>

base_timestamp: I64<BigEndian>

max_timestamp: I64<BigEndian>

producer_id: I64<BigEndian>

producer_epoch: I16<BigEndian>

base_sequence: I32<BigEndian>

records_count: I32<BigEndian>

Trait Implementations

impl Clone for RecordBatchHeader

fn clone(&self) -> RecordBatchHeader

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RecordBatchHeader

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

Formats the value using the given formatter.

impl FromBytes for RecordBatchHeader

where I64<BigEndian>: FromBytes, I32<BigEndian>: FromBytes, i8: FromBytes, U32<BigEndian>: FromBytes, I16<BigEndian>: FromBytes,

fn ref_from_bytes( source: &[u8], ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>

where Self: KnownLayout + Immutable,

Interprets the given source as a &Self.

fn ref_from_prefix( source: &[u8], ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>

where Self: KnownLayout + Immutable,

Interprets the prefix of the given source as a &Self without copying.

fn ref_from_suffix( source: &[u8], ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>

where Self: Immutable + KnownLayout,

Interprets the suffix of the given bytes as a &Self.

fn ref_from_bytes_with_elems( source: &[u8], count: usize, ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>

where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Interprets the given source as a &Self with a DST length equal to count.

fn ref_from_prefix_with_elems( source: &[u8], count: usize, ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>

where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Interprets the prefix of the given source as a DST &Self with length equal to count.

fn ref_from_suffix_with_elems( source: &[u8], count: usize, ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>

where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Interprets the suffix of the given source as a DST &Self with length equal to count.

fn read_from_bytes(source: &[u8]) -> Result<Self, SizeError<&[u8], Self>>

where Self: Sized,

Reads a copy of Self from the given source.

fn read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), SizeError<&[u8], Self>>

where Self: Sized,

Reads a copy of Self from the prefix of the given source.

fn read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), SizeError<&[u8], Self>>

where Self: Sized,

Reads a copy of Self from the suffix of the given source.

impl FromZeros for RecordBatchHeader

where I64<BigEndian>: FromZeros, I32<BigEndian>: FromZeros, i8: FromZeros, U32<BigEndian>: FromZeros, I16<BigEndian>: FromZeros,

fn zero(&mut self)

Overwrites self with zeros.

fn new_zeroed() -> Self

where Self: Sized,

Creates an instance of Self from zeroed bytes.

impl KnownLayout for RecordBatchHeader

where I32<BigEndian>: KnownLayout,

type PointerMetadata = <I32<BigEndian> as KnownLayout>::PointerMetadata

The type of metadata stored in a pointer to Self.

fn size_for_metadata(meta: Self::PointerMetadata) -> Option<usize>

Computes the size of an object of type Self with the given pointer metadata.

impl TryFromBytes for RecordBatchHeader

where I64<BigEndian>: TryFromBytes, I32<BigEndian>: TryFromBytes, i8: TryFromBytes, U32<BigEndian>: TryFromBytes, I16<BigEndian>: TryFromBytes,

fn try_ref_from_bytes( source: &[u8], ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: KnownLayout + Immutable,

Attempts to interpret the given source as a &Self.

fn try_ref_from_prefix( source: &[u8], ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: KnownLayout + Immutable,

Attempts to interpret the prefix of the given source as a &Self.

fn try_ref_from_suffix( source: &[u8], ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: KnownLayout + Immutable,

Attempts to interpret the suffix of the given source as a &Self.

fn try_ref_from_bytes_with_elems( source: &[u8], count: usize, ) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Attempts to interpret the given source as a &Self with a DST length equal to count.

fn try_ref_from_prefix_with_elems( source: &[u8], count: usize, ) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Attempts to interpret the prefix of the given source as a &Self with a DST length equal to count.

fn try_ref_from_suffix_with_elems( source: &[u8], count: usize, ) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: KnownLayout<PointerMetadata = usize> + Immutable,

Attempts to interpret the suffix of the given source as a &Self with a DST length equal to count.

fn try_read_from_bytes( source: &[u8], ) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read the given source as a Self.

fn try_read_from_prefix( source: &[u8], ) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read a Self from the prefix of the given source.

fn try_read_from_suffix( source: &[u8], ) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>

where Self: Sized,

Attempts to read a Self from the suffix of the given source.

impl Copy for RecordBatchHeader

impl Immutable for RecordBatchHeader

where I64<BigEndian>: Immutable, I32<BigEndian>: Immutable, i8: Immutable, U32<BigEndian>: Immutable, I16<BigEndian>: Immutable,

impl Unaligned for RecordBatchHeader

where I64<BigEndian>: Unaligned, I32<BigEndian>: Unaligned, i8: Unaligned, U32<BigEndian>: Unaligned, I16<BigEndian>: Unaligned,