Enum TcpOption 

pub enum TcpOption {
    Eol,
    Nop,
    Mss(u16),
    WScale(u8),
    SackOk,
    Sack(Vec<TcpSackBlock>),
    Timestamp(TcpTimestamp),
    AltChkSum {
        algorithm: u8,
        checksum: u16,
    },
    AltChkSumOpt,
    Md5([u8; 16]),
    Mood(String),
    Uto(u16),
    Ao(TcpAoValue),
    Tfo {
        cookie: Option<Vec<u8>>,
    },
    Unknown {
        kind: u8,
        data: Vec<u8>,
    },
}

A parsed TCP option.

Variants

Eol

End of Option List (kind 0)

Nop

No Operation / Padding (kind 1)

Mss(u16)

Maximum Segment Size (kind 2)

WScale(u8)

Window Scale (kind 3)

SackOk

SACK Permitted (kind 4)

Sack(Vec<TcpSackBlock>)

Selective Acknowledgment (kind 5)

Timestamp(TcpTimestamp)

Timestamps (kind 8)

AltChkSum

Alternate Checksum Request (kind 14)

Fields

algorithm: u8

checksum: u16

AltChkSumOpt

Alternate Checksum Data (kind 15)

Md5([u8; 16])

MD5 Signature (kind 19)

Mood(String)

Mood (kind 25) - RFC 5841

Uto(u16)

User Timeout Option (kind 28)

Ao(TcpAoValue)

Authentication Option (kind 29)

Tfo

TCP Fast Open (kind 34)

Fields

cookie: Option<Vec<u8>>

TFO cookie (optional)

Unknown

Unknown or unimplemented option

Fields

kind: u8

data: Vec<u8>

Implementations

impl TcpOption

pub fn kind(&self) -> TcpOptionKind

Get the option kind.

pub fn len(&self) -> usize

Get the serialized length of this option.

pub fn is_empty(&self) -> bool

Check if the option has data (for variants with data).

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

Serialize the option to bytes.

pub fn mss(mss: u16) -> Self

Create an MSS option.

pub fn wscale(scale: u8) -> Self

Create a Window Scale option.

pub fn timestamp(ts_val: u32, ts_ecr: u32) -> Self

Create a Timestamp option.

pub fn sack(blocks: Vec<TcpSackBlock>) -> Self

Create a SACK option.

Trait Implementations

impl Clone for TcpOption

fn clone(&self) -> TcpOption

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TcpOption

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

Formats the value using the given formatter.

impl PartialEq for TcpOption

fn eq(&self, other: &TcpOption) -> 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 Eq for TcpOption

impl StructuralPartialEq for TcpOption