Enum Ttl 

pub enum Ttl {
    Value(u8),
    Distance(u8, u8),
    Guess(u8),
    Bad(u8),
}

Time To Live (TTL) representation used for OS fingerprinting and network distance calculation

Variants

Value(u8)

Raw TTL value when we don’t have enough context to determine initial TTL Contains the observed TTL value from the IP header

Distance(u8, u8)

TTL with calculated network distance First u8 is the observed TTL value Second u8 is the estimated number of hops (distance = initial_ttl - observed_ttl)

Guess(u8)

TTL value that’s been guessed based on common OS initial values Contains the estimated initial TTL (e.g., 64 for Linux, 128 for Windows)

Bad(u8)

Invalid or problematic TTL value Contains the raw TTL value that was deemed invalid (e.g., 0)

Implementations

impl Ttl

pub fn distance_ttl(&self, other: &Ttl) -> Option<u32>

Trait Implementations

impl Clone for Ttl

fn clone(&self) -> Ttl

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Ttl

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

Formats the value using the given formatter.

impl Display for Ttl

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

Formats the value using the given formatter.

impl FromStr for Ttl

type Err = DatabaseError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type.

impl PartialEq for Ttl

fn eq(&self, other: &Ttl) -> 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 StructuralPartialEq for Ttl