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HttpClientBuilder

Struct HttpClientBuilder 

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pub struct HttpClientBuilder { /* private fields */ }
Available on crate feature client only.
Expand description

Builder for HttpClient connector-level options.

Use HttpClient::builder to obtain one. The terminal methods mirror the associated constructors on HttpClient; the existing constructors delegate here, so HttpClient::plaintext() is exactly HttpClient::builder().plaintext().

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impl HttpClientBuilder

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pub fn connect_timeout(self, dur: Duration) -> Self

Bound the TCP connect phase.

This is hyper’s HttpConnector::set_connect_timeout, applied to the inner connector for all three transport flavours. It covers only the TCP connect(2) call (per resolved address — hyper divides the timeout evenly across the address set). It does not cover DNS resolution or, for with_tls, the TLS handshake. Use a per-request timeout (e.g. CallOptions::with_timeout) to bound DNS+connect+TLS+request as a whole.

Unset (the default) means no explicit bound: TCP connect is governed by the kernel’s tcp_syn_retries (typically ~130s on Linux). Set this when the network path can silently drop SYNs and you’d rather fail fast than stall on kernel retransmits.

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pub fn plaintext(self) -> HttpClient

Finish building as a plaintext client. See HttpClient::plaintext.

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pub fn plaintext_http2_only(self) -> HttpClient

Finish building as an h2c-only plaintext client. See HttpClient::plaintext_http2_only.

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pub fn with_tls(self, tls_config: Arc<ClientConfig>) -> HttpClient

Available on crate feature client-tls only.

Finish building as a TLS client. See HttpClient::with_tls.

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impl Clone for HttpClientBuilder

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fn clone(&self) -> HttpClientBuilder

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

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

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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 Default for HttpClientBuilder

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fn default() -> HttpClientBuilder

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

Auto Trait Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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> CloneToUninit for T
where T: Clone,

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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
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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> FromRef<T> for T
where T: Clone,

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fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
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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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fn in_current_span(self) -> Instrumented<Self>

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more