Struct netstack3_udp::UdpStateBuilder

pub struct UdpStateBuilder { /* private fields */ }

Expand description

A builder for UDP layer state.

Implementations§

impl UdpStateBuilder

pub fn send_port_unreachable( &mut self, send_port_unreachable: bool, ) -> &mut Self

Enable or disable sending ICMP Port Unreachable messages in response to inbound UDP packets for which a corresponding local socket does not exist (default: disabled).

Responding with an ICMP Port Unreachable error is a vector for reflected Denial-of-Service (DoS) attacks. The attacker can send a UDP packet to a closed port with the source address set to the address of the victim, and ICMP response will be sent there.

According to RFC 1122 Section 4.1.3.1, “[i]f a datagram arrives addressed to a UDP port for which there is no pending LISTEN call, UDP SHOULD send an ICMP Port Unreachable message.” Since an ICMP response is not mandatory, and due to the security risks described, responses are disabled by default.

pub fn build<I: IpExt, D: WeakDeviceIdentifier, BT: UdpBindingsTypes>( self, ) -> UdpState<I, D, BT>

Builds a new UdpState for IP version I.

Trait Implementations§

impl Clone for UdpStateBuilder

fn clone(&self) -> UdpStateBuilder

Returns a copy of the value. Read more

1.0.0 · source§

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

Performs copy-assignment from source. Read more

impl Default for UdpStateBuilder

fn default() -> UdpStateBuilder

Returns the “default value” for a type. Read more

Auto Trait Implementations§

impl Freeze for UdpStateBuilder

impl RefUnwindSafe for UdpStateBuilder

impl Send for UdpStateBuilder

impl Sync for UdpStateBuilder

impl Unpin for UdpStateBuilder

impl UnwindSafe for UdpStateBuilder

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<O, BC> BuildableCoreContext<BC> for O
where O: Default,

type Builder = ()

The builder type that can build this core context.

fn build(_bindings_ctx: &mut BC, _: ()) -> O

Consumes this builder and returns the context.

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

default unsafe fn clone_to_uninit(&self, dst: *mut T)

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

Performs copy-assignment from self to dst. 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<CC, BC, Meta> RecvFrameContext<Meta, BC> for CC
where Meta: ReceivableFrameMeta<CC, BC>,

fn receive_frame<B>(&mut self, bindings_ctx: &mut BC, metadata: Meta, frame: B)
where B: BufferMut + Debug,

Receive a frame. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<CC, BC, Meta> SendFrameContext<BC, Meta> for CC
where Meta: SendableFrameMeta<CC, BC>,

fn send_frame<S>( &mut self, bindings_ctx: &mut BC, metadata: Meta, frame: S, ) -> Result<(), ErrorAndSerializer<SendFrameErrorReason, S>>
where S: Serializer, <S as Serializer>::Buffer: BufferMut,

Send a frame. Read more

impl<Id, CC, BC> TimerHandler<BC, Id> for CC
where BC: TimerBindingsTypes, Id: HandleableTimer<CC, BC>,

fn handle_timer( &mut self, bindings_ctx: &mut BC, dispatch: Id, timer: <BC as TimerBindingsTypes>::UniqueTimerId, )

Handle a timer firing. Read more

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.

impl<L, T> UnlockedAccess<L> for T
where L: UnlockedAccessMarkerFor<T>,

type Data = <L as UnlockedAccessMarkerFor<T>>::Data

The type of state being accessed.

type Guard<'l> = &'l <L as UnlockedAccessMarkerFor<T>>::Data where T: 'l

A guard providing read access to the data.

fn access(&self) -> <T as UnlockedAccess<L>>::Guard<'_>

How to access the state.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<B, A> LockBefore<B> for A
where B: LockAfter<A>,