Struct MessageHeader

#[repr(C)]
pub struct MessageHeader {
    pub length: u32,
    pub msg_type: u16,
    pub version: u8,
    pub flags: u8,
}

Zero-copy message header for length-prefixed protocols

Fields

length: u32

Total message length including header

msg_type: u16

Message type identifier

version: u8

Protocol version

flags: u8

Flags/reserved

Implementations

impl MessageHeader

pub fn as_bytes(&self) -> &[u8]

Convert this structure to bytes

pub const fn size() -> usize

Get the size of this structure at compile time

pub const fn new(length: u32, msg_type: u16, version: u8, flags: u8) -> Self

Create a new message header

pub const fn payload_length(&self) -> u32

Get the payload length (total length minus header size)

pub const fn has_valid_length(&self) -> bool

Check if the header has valid length

pub const fn is_message_type(&self, msg_type: u16) -> bool

Check if this is a specific message type

impl MessageHeader

pub fn from_bytes(bytes: &[u8]) -> Option<&Self>

Create from bytes

Trait Implementations

impl Clone for MessageHeader

fn clone(&self) -> MessageHeader

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MessageHeader

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

Formats the value using the given formatter.

impl Zeroable for MessageHeader

fn zeroed() -> Self

Calls zeroed.

impl Copy for MessageHeader

impl Pod for MessageHeader