Struct hickory_resolver::lookup_ip::LookupIp

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pub struct LookupIp(/* private fields */);
Expand description

Result of a DNS query when querying for A or AAAA records.

When resolving IP records, there can be many IPs that match a given name. A consumer of this should expect that there are more than a single address potentially returned. Generally there are multiple IPs stored for a given service in DNS so that there is a form of high availability offered for a given name. The service implementation is responsible for the semantics around which IP should be used and when, but in general if a connection fails to one, the next in the list should be attempted.

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impl LookupIp

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pub fn iter(&self) -> LookupIpIter<'_>

Returns a borrowed iterator of the returned IPs

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pub fn query(&self) -> &Query

Returns a reference to the Query that was used to produce this result.

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pub fn valid_until(&self) -> Instant

Returns the Instant at which this lookup is no longer valid.

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pub fn as_lookup(&self) -> &Lookup

Return a reference to the inner lookup

This can be useful for getting all records from the request

Trait Implementations§

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impl Clone for LookupIp

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fn clone(&self) -> LookupIp

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for LookupIp

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

Formats the value using the given formatter. Read more
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impl From<Lookup> for LookupIp

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fn from(lookup: Lookup) -> Self

Converts to this type from the input type.
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impl From<LookupIp> for Lookup

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fn from(lookup: LookupIp) -> Self

Converts to this type from the input type.
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impl IntoIterator for LookupIp

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fn into_iter(self) -> Self::IntoIter

This is most likely not a free conversion, the RDatas will be cloned if data is held behind an Arc with more than one reference (which is most likely the case coming from cache)

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type Item = IpAddr

The type of the elements being iterated over.
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type IntoIter = LookupIpIntoIter

Which kind of iterator are we turning this into?

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

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Gets the TypeId of self. Read more
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where T: ?Sized,

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Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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where U: From<T>,

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Calls U::from(self).

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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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impl<T, U> TryFrom<U> for T
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type Error = Infallible

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Performs the conversion.
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where U: TryFrom<T>,

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

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