Struct PcapFileHeader 

pub struct PcapFileHeader {
    pub magic_number: u32,
    pub major_version: u16,
    pub minor_version: u16,
    pub timezone_offset: i32,
    pub timestamp_accuracy: u32,
}

PCAP文件头结构

Fields

magic_number: u32

魔术数，固定值 0xD4C3B2A1

major_version: u16

主版本号，固定值 0x0002

minor_version: u16

次版本号，固定值 0x0004

timezone_offset: i32

时区偏移量（秒）

timestamp_accuracy: u32

时间戳精度（纳秒）

Implementations

impl PcapFileHeader

pub const HEADER_SIZE: usize = 16usize

头部大小（字节）

pub const DEFAULT_TIMESTAMP_ACCURACY: u32 = 1u32

默认时间戳精度（纳秒）

pub fn new(timezone_offset: i32) -> Self

创建新的PCAP文件头

pub fn from_bytes(bytes: &[u8]) -> Result<Self, String>

从字节数组创建文件头

pub fn to_bytes(&self) -> Vec<u8>

转换为字节数组

pub fn is_valid(&self) -> bool

验证文件头是否有效

Trait Implementations

impl Clone for PcapFileHeader

fn clone(&self) -> PcapFileHeader

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PcapFileHeader

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PcapFileHeader

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for PcapFileHeader

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.