ConntrackEntry

veridian_kernel::net::firewall::conntrack

Struct ConntrackEntry

pub struct ConntrackEntry {
    pub key: ConntrackKey,
    pub state: ConntrackState,
    pub tcp_state: TcpConnState,
    pub timeout_ticks: u64,
    pub packet_count: u64,
    pub byte_count: u64,
    pub last_seen: u64,
    pub nat_info: Option<NatInfo>,
    pub reply_seen: bool,
}

Expand description

A single connection tracking entry

Fields§

§key: ConntrackKey

Connection 5-tuple key

§state: ConntrackState

High-level connection state

§tcp_state: TcpConnState

Detailed TCP state (only meaningful for TCP)

§timeout_ticks: u64

Timeout in ticks (entry expires when current_tick >= last_seen + timeout)

§packet_count: u64

Number of packets seen

§byte_count: u64

Number of bytes seen

§last_seen: u64

Tick counter when entry was last updated

§nat_info: Option<NatInfo>

Optional NAT translation info

§reply_seen: bool

Whether reply traffic has been seen

Implementations§

impl ConntrackEntry

pub fn new(key: ConntrackKey, protocol: u8) -> Self

Create a new conntrack entry for a first-seen packet

pub fn is_expired(&self, current_tick: u64) -> bool

Check if this entry has expired

pub fn update(&mut self, current_tick: u64, bytes: u64)

Update the last-seen timestamp and packet counters

pub fn mark_reply_seen(&mut self)

Mark that reply traffic has been seen, promoting to Established

Trait Implementations§

impl Clone for ConntrackEntry

fn clone(&self) -> ConntrackEntry

Returns a duplicate of the value. Read more

1.0.0§

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

Performs copy-assignment from source. Read more

impl Debug for ConntrackEntry

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for ConntrackEntry

impl RefUnwindSafe for ConntrackEntry

impl Send for ConntrackEntry

impl Sync for ConntrackEntry

impl Unpin for ConntrackEntry

impl UnwindSafe for ConntrackEntry

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.