[][src]Struct trust_dns::udp::UdpClientStream

#[must_use = "futures do nothing unless polled"]
pub struct UdpClientStream<MF = NoopMessageFinalizer> where
    MF: MessageFinalizer
{ /* fields omitted */ }

A UDP client stream of DNS binary packets

This stream will create a new UDP socket for every request. This is to avoid potential cache poisoning during use by UDP based attacks.

Methods

impl UdpClientStream<NoopMessageFinalizer>
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pub fn new(name_server: SocketAddr) -> UdpClientConnect<NoopMessageFinalizer>
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it is expected that the resolver wrapper will be responsible for creating and managing new UdpClients such that each new client would have a random port (reduce chance of cache poisoning)

Return

a tuple of a Future Stream which will handle sending and receiving messsages, and a handle which can be used to send messages into the stream.

pub fn with_timeout(
    name_server: SocketAddr,
    timeout: Duration
) -> UdpClientConnect<NoopMessageFinalizer>
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Constructs a new TcpStream for a client to the specified SocketAddr.

Arguments

  • name_server - the IP and Port of the DNS server to connect to
  • timeout - connection timeout

impl<MF> UdpClientStream<MF> where
    MF: MessageFinalizer
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pub fn with_timeout_and_signer(
    name_server: SocketAddr,
    timeout: Duration,
    signer: Option<Arc<MF>>
) -> UdpClientConnect<MF>
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Constructs a new TcpStream for a client to the specified SocketAddr.

Arguments

  • name_server - the IP and Port of the DNS server to connect to
  • timeout - connection timeout

Trait Implementations

impl<MF> Display for UdpClientStream<MF> where
    MF: MessageFinalizer
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impl<MF> Stream for UdpClientStream<MF> where
    MF: MessageFinalizer
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type Item = ()

The type of item this stream will yield on success.

type Error = ProtoError

The type of error this stream may generate.

fn wait(self) -> Wait<Self>
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Creates an iterator which blocks the current thread until each item of this stream is resolved. Read more

fn into_future(self) -> StreamFuture<Self>
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Converts this stream into a Future. Read more

fn map<U, F>(self, f: F) -> Map<Self, F> where
    F: FnMut(Self::Item) -> U, 
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Converts a stream of type T to a stream of type U. Read more

fn map_err<U, F>(self, f: F) -> MapErr<Self, F> where
    F: FnMut(Self::Error) -> U, 
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Converts a stream of error type T to a stream of error type U. Read more

fn filter<F>(self, f: F) -> Filter<Self, F> where
    F: FnMut(&Self::Item) -> bool
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Filters the values produced by this stream according to the provided predicate. Read more

fn filter_map<F, B>(self, f: F) -> FilterMap<Self, F> where
    F: FnMut(Self::Item) -> Option<B>, 
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Filters the values produced by this stream while simultaneously mapping them to a different type. Read more

fn then<F, U>(self, f: F) -> Then<Self, F, U> where
    F: FnMut(Result<Self::Item, Self::Error>) -> U,
    U: IntoFuture
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Chain on a computation for when a value is ready, passing the resulting item to the provided closure f. Read more

fn and_then<F, U>(self, f: F) -> AndThen<Self, F, U> where
    F: FnMut(Self::Item) -> U,
    U: IntoFuture<Error = Self::Error>, 
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Chain on a computation for when a value is ready, passing the successful results to the provided closure f. Read more

fn or_else<F, U>(self, f: F) -> OrElse<Self, F, U> where
    F: FnMut(Self::Error) -> U,
    U: IntoFuture<Item = Self::Item>, 
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Chain on a computation for when an error happens, passing the erroneous result to the provided closure f. Read more

fn collect(self) -> Collect<Self>
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Collect all of the values of this stream into a vector, returning a future representing the result of that computation. Read more

fn concat2(self) -> Concat2<Self> where
    Self::Item: Extend<<Self::Item as IntoIterator>::Item>,
    Self::Item: IntoIterator,
    Self::Item: Default
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Concatenate all results of a stream into a single extendable destination, returning a future representing the end result. Read more

fn concat(self) -> Concat<Self> where
    Self::Item: Extend<<Self::Item as IntoIterator>::Item>,
    Self::Item: IntoIterator
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Deprecated since 0.1.14:

please use Stream::concat2 instead

Concatenate all results of a stream into a single extendable destination, returning a future representing the end result. Read more

fn fold<F, T, Fut>(self, init: T, f: F) -> Fold<Self, F, Fut, T> where
    F: FnMut(T, Self::Item) -> Fut,
    Fut: IntoFuture<Item = T>,
    Self::Error: From<<Fut as IntoFuture>::Error>, 
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Execute an accumulating computation over a stream, collecting all the values into one final result. Read more

fn flatten(self) -> Flatten<Self> where
    Self::Item: Stream,
    <Self::Item as Stream>::Error: From<Self::Error>, 
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Flattens a stream of streams into just one continuous stream. Read more

fn skip_while<P, R>(self, pred: P) -> SkipWhile<Self, P, R> where
    P: FnMut(&Self::Item) -> R,
    R: IntoFuture<Item = bool, Error = Self::Error>, 
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Skip elements on this stream while the predicate provided resolves to true. Read more

fn take_while<P, R>(self, pred: P) -> TakeWhile<Self, P, R> where
    P: FnMut(&Self::Item) -> R,
    R: IntoFuture<Item = bool, Error = Self::Error>, 
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Take elements from this stream while the predicate provided resolves to true. Read more

fn for_each<F, U>(self, f: F) -> ForEach<Self, F, U> where
    F: FnMut(Self::Item) -> U,
    U: IntoFuture<Item = (), Error = Self::Error>, 
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Runs this stream to completion, executing the provided closure for each element on the stream. Read more

fn from_err<E>(self) -> FromErr<Self, E> where
    E: From<Self::Error>, 
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Map this stream's error to any error implementing From for this stream's Error, returning a new stream. Read more

fn take(self, amt: u64) -> Take<Self>
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Creates a new stream of at most amt items of the underlying stream. Read more

fn skip(self, amt: u64) -> Skip<Self>
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Creates a new stream which skips amt items of the underlying stream. Read more

fn fuse(self) -> Fuse<Self>
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Fuse a stream such that poll will never again be called once it has finished. Read more

fn by_ref(&mut self) -> &mut Self
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Borrows a stream, rather than consuming it. Read more

fn catch_unwind(self) -> CatchUnwind<Self> where
    Self: UnwindSafe
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Catches unwinding panics while polling the stream. Read more

fn buffered(self, amt: usize) -> Buffered<Self> where
    Self::Item: IntoFuture,
    <Self::Item as IntoFuture>::Error == Self::Error
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An adaptor for creating a buffered list of pending futures. Read more

fn buffer_unordered(self, amt: usize) -> BufferUnordered<Self> where
    Self::Item: IntoFuture,
    <Self::Item as IntoFuture>::Error == Self::Error
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An adaptor for creating a buffered list of pending futures (unordered). Read more

fn merge<S>(self, other: S) -> Merge<Self, S> where
    S: Stream<Error = Self::Error>, 
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Deprecated:

functionality provided by select now

An adapter for merging the output of two streams. Read more

fn zip<S>(self, other: S) -> Zip<Self, S> where
    S: Stream<Error = Self::Error>, 
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An adapter for zipping two streams together. Read more

fn chain<S>(self, other: S) -> Chain<Self, S> where
    S: Stream<Item = Self::Item, Error = Self::Error>, 
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Adapter for chaining two stream. Read more

fn peekable(self) -> Peekable<Self>
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Creates a new stream which exposes a peek method. Read more

fn chunks(self, capacity: usize) -> Chunks<Self>
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An adaptor for chunking up items of the stream inside a vector. Read more

fn select<S>(self, other: S) -> Select<Self, S> where
    S: Stream<Item = Self::Item, Error = Self::Error>, 
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Creates a stream that selects the next element from either this stream or the provided one, whichever is ready first. Read more

fn forward<S>(self, sink: S) -> Forward<Self, S> where
    S: Sink<SinkItem = Self::Item>,
    Self::Error: From<<S as Sink>::SinkError>, 
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A future that completes after the given stream has been fully processed into the sink, including flushing. Read more

fn split(self) -> (SplitSink<Self>, SplitStream<Self>) where
    Self: Sink
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Splits this Stream + Sink object into separate Stream and Sink objects. Read more

fn inspect<F>(self, f: F) -> Inspect<Self, F> where
    F: FnMut(&Self::Item), 
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Do something with each item of this stream, afterwards passing it on. Read more

fn inspect_err<F>(self, f: F) -> InspectErr<Self, F> where
    F: FnMut(&Self::Error), 
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Do something with the error of this stream, afterwards passing it on. Read more

impl<MF> DnsRequestSender for UdpClientStream<MF> where
    MF: MessageFinalizer
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type DnsResponseFuture = UdpResponse

A future that resolves to a response serial message

Auto Trait Implementations

impl<MF> Send for UdpClientStream<MF>

impl<MF> Sync for UdpClientStream<MF>

Blanket Implementations

impl<T> From for T
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impl<T, U> Into for T where
    U: From<T>, 
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impl<T> ToString for T where
    T: Display + ?Sized
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impl<T, U> TryFrom for T where
    T: From<U>, 
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type Error = !

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

The type returned in the event of a conversion error.

impl<T> Borrow for T where
    T: ?Sized
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impl<T> BorrowMut for T where
    T: ?Sized
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impl<T, U> TryInto for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

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

The type returned in the event of a conversion error.

impl<T> Any for T where
    T: 'static + ?Sized
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impl<T> StreamExt for T where
    T: Stream + ?Sized
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fn throttle(self, duration: Duration) -> Throttle<Self>
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Throttle down the stream by enforcing a fixed delay between items. Read more

fn enumerate(self) -> Enumerate<Self>
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Creates a new stream which gives the current iteration count as well as the next value. Read more

fn timeout(self, timeout: Duration) -> Timeout<Self>
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Creates a new stream which allows self until timeout. Read more

impl<T> Erased for T