Struct MessageReader 

pub struct MessageReader { /* private fields */ }

Incremental reader for PostgreSQL backend messages.

Implementations

impl MessageReader

pub fn new() -> Self

Create a new reader with a default max message size.

pub fn with_max_size(max_message_size: usize) -> Self

Create a new reader with a custom max message size.

pub fn buffered_len(&self) -> usize

Number of bytes currently buffered.

pub fn feed( &mut self, data: &[u8], ) -> Result<Vec<BackendMessage>, ProtocolError>

Feed bytes into the reader and return any complete messages.

pub fn next_message(&mut self) -> Result<Option<BackendMessage>, ProtocolError>

Attempt to parse the next message from the internal buffer.

pub fn parse_message(frame: &[u8]) -> Result<BackendMessage, ProtocolError>

Parse a single full message frame (type + length + payload).

Trait Implementations

impl Clone for MessageReader

fn clone(&self) -> MessageReader

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MessageReader

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

Formats the value using the given formatter.

impl Default for MessageReader

fn default() -> Self

Returns the “default value” for a type.