Struct PacketHeader 

#[repr(C)]
pub struct PacketHeader {
    pub data_type: u64,
    pub data_size: u64,
}

协议头结构，使用 #[repr(C)] 确保内存布局与 C 兼容 满足 bytemuck::Pod 要求：所有字段必须为基本类型

Fields

data_type: u64

数据包类型标识，对应 PacketType 枚举的数值表示

data_size: u64

数据包负载大小

Implementations

impl PacketHeader

pub const SIZE: usize

协议头结构体的大小

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

将协议头序列化为字节切片

pub fn from_bytes(buf: &[u8]) -> Self

从字节切片反序列化协议头

Trait Implementations

impl Clone for PacketHeader

fn clone(&self) -> PacketHeader

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PacketHeader

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

Formats the value using the given formatter.

impl Zeroable for PacketHeader

fn zeroed() -> Self

Calls zeroed.

impl Copy for PacketHeader

impl Pod for PacketHeader