Struct BlockWriter 

pub struct BlockWriter { /* private fields */ }

Builder for a single block’s payload, with framing support.

Implementations

impl BlockWriter

pub fn new(block_type: BlockType) -> Self

Create a new block writer of the given type.

pub fn set_compression(&mut self, comp: CompressionType)

Set the compression type for this block.

pub fn write(&mut self, data: &[u8])

Write raw bytes into the block payload.

pub fn payload_mut(&mut self) -> &mut Vec<u8>

Get a mutable reference to the payload buffer.

pub fn payload_len(&self) -> usize

Get the current payload size.

pub fn finish(self) -> Vec<u8>

Finalize and serialize this block into a byte vector.

Layout: block_type(1) | block_len(varint) | comp_type(1) | checksum(8) | payload