Enum ChunkDecoder

pub enum ChunkDecoder {
    Idle,
    Chunk {
        seq_id: u8,
        needed: NonZeroUsize,
    },
}

Decoder for MySql protocol chunk.

Variants

Idle

Decoder is waiting for the first or subsequent packet chunk.

It’ll need at least 4 bytes to start decoding a chunk.

Chunk

Chunk is being decoded.

Fields

seq_id: u8

Sequence id of chunk being decoded.

needed: NonZeroUsize

Number of bytes needed to finish this chunk.

Implementations

impl ChunkDecoder

pub fn decode<T>( &mut self, src: &mut BytesMut, dst: &mut T, max_allowed_packet: usize, ) -> Result<Option<ChunkInfo>, PacketCodecError>

where T: AsRef<[u8]> + BufMut,

Will try to decode MySql packet chunk from src to dst.

If chunk is decoded, then ChunkInfo is returned.

If the dst buffer isn’t empty then it is expected that it contains previous chunks of the same packet, or this function may erroneously report PacketCodecError::PacketTooLarge error.

Trait Implementations

impl Clone for ChunkDecoder

fn clone(&self) -> ChunkDecoder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ChunkDecoder

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

Formats the value using the given formatter.

impl Default for ChunkDecoder

fn default() -> ChunkDecoder

Returns the “default value” for a type.

impl PartialEq for ChunkDecoder

fn eq(&self, other: &ChunkDecoder) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for ChunkDecoder

impl Eq for ChunkDecoder

impl StructuralPartialEq for ChunkDecoder