Struct hyper::client::Builder [−][src]
A builder to configure a new Client
.
Example
use std::time::Duration; use hyper::Client; let client = Client::builder() .pool_idle_timeout(Duration::from_secs(30)) .http2_only(true) .build_http();
Implementations
impl Builder
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pub fn pool_idle_timeout<D>(&mut self, val: D) -> &mut Self where
D: Into<Option<Duration>>,
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D: Into<Option<Duration>>,
Set an optional timeout for idle sockets being kept-alive.
Pass None
to disable timeout.
Default is 90 seconds.
pub fn pool_max_idle_per_host(&mut self, max_idle: usize) -> &mut Self
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Sets the maximum idle connection per host allowed in the pool.
Default is usize::MAX
(no limit).
pub fn http1_writev(&mut self, val: bool) -> &mut Self
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Set whether HTTP/1 connections should try to use vectored writes, or always flatten into a single buffer.
Note that setting this to false may mean more copies of body data, but may also improve performance when an IO transport doesn’t support vectored writes well, such as most TLS implementations.
Setting this to true will force hyper to use queued strategy which may eliminate unnecessary cloning on some TLS backends
Default is auto
. In this mode hyper will try to guess which
mode to use
pub fn http1_read_buf_exact_size(&mut self, sz: usize) -> &mut Self
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Sets the exact size of the read buffer to always use.
Note that setting this option unsets the http1_max_buf_size
option.
Default is an adaptive read buffer.
pub fn http1_max_buf_size(&mut self, max: usize) -> &mut Self
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Set the maximum buffer size for the connection.
Default is ~400kb.
Note that setting this option unsets the http1_read_exact_buf_size
option.
Panics
The minimum value allowed is 8192. This method panics if the passed max
is less than the minimum.
pub fn http1_title_case_headers(&mut self, val: bool) -> &mut Self
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Set whether HTTP/1 connections will write header names as title case at the socket level.
Note that this setting does not affect HTTP/2.
Default is false.
pub fn http2_only(&mut self, val: bool) -> &mut Self
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Set whether the connection must use HTTP/2.
The destination must either allow HTTP2 Prior Knowledge, or the
Connect
should be configured to do use ALPN to upgrade to h2
as part of the connection process. This will not make the Client
utilize ALPN by itself.
Note that setting this to true prevents HTTP/1 from being allowed.
Default is false.
pub fn http2_initial_stream_window_size(
&mut self,
sz: impl Into<Option<u32>>
) -> &mut Self
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&mut self,
sz: impl Into<Option<u32>>
) -> &mut Self
Sets the SETTINGS_INITIAL_WINDOW_SIZE
option for HTTP2
stream-level flow control.
Passing None
will do nothing.
If not set, hyper will use a default.
pub fn http2_initial_connection_window_size(
&mut self,
sz: impl Into<Option<u32>>
) -> &mut Self
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&mut self,
sz: impl Into<Option<u32>>
) -> &mut Self
Sets the max connection-level flow control for HTTP2
Passing None
will do nothing.
If not set, hyper will use a default.
pub fn http2_adaptive_window(&mut self, enabled: bool) -> &mut Self
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Sets whether to use an adaptive flow control.
Enabling this will override the limits set in
http2_initial_stream_window_size
and
http2_initial_connection_window_size
.
pub fn http2_max_frame_size(&mut self, sz: impl Into<Option<u32>>) -> &mut Self
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Sets the maximum frame size to use for HTTP2.
Passing None
will do nothing.
If not set, hyper will use a default.
pub fn http2_keep_alive_interval(
&mut self,
interval: impl Into<Option<Duration>>
) -> &mut Self
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&mut self,
interval: impl Into<Option<Duration>>
) -> &mut Self
Sets an interval for HTTP2 Ping frames should be sent to keep a connection alive.
Pass None
to disable HTTP2 keep-alive.
Default is currently disabled.
Cargo Feature
Requires the runtime
cargo feature to be enabled.
pub fn http2_keep_alive_timeout(&mut self, timeout: Duration) -> &mut Self
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Sets a timeout for receiving an acknowledgement of the keep-alive ping.
If the ping is not acknowledged within the timeout, the connection will
be closed. Does nothing if http2_keep_alive_interval
is disabled.
Default is 20 seconds.
Cargo Feature
Requires the runtime
cargo feature to be enabled.
pub fn http2_keep_alive_while_idle(&mut self, enabled: bool) -> &mut Self
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Sets whether HTTP2 keep-alive should apply while the connection is idle.
If disabled, keep-alive pings are only sent while there are open
request/responses streams. If enabled, pings are also sent when no
streams are active. Does nothing if http2_keep_alive_interval
is
disabled.
Default is false
.
Cargo Feature
Requires the runtime
cargo feature to be enabled.
pub fn retry_canceled_requests(&mut self, val: bool) -> &mut Self
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Set whether to retry requests that get disrupted before ever starting to write.
This means a request that is queued, and gets given an idle, reused connection, and then encounters an error immediately as the idle connection was found to be unusable.
When this is set to false
, the related ResponseFuture
would instead
resolve to an Error::Cancel
.
Default is true
.
pub fn set_host(&mut self, val: bool) -> &mut Self
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Set whether to automatically add the Host
header to requests.
If true, and a request does not include a Host
header, one will be
added automatically, derived from the authority of the Uri
.
Default is true
.
pub fn executor<E>(&mut self, exec: E) -> &mut Self where
E: Executor<Pin<Box<dyn Future<Output = ()> + Send>>> + Send + Sync + 'static,
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E: Executor<Pin<Box<dyn Future<Output = ()> + Send>>> + Send + Sync + 'static,
Provide an executor to execute background Connection
tasks.
pub fn build_http<B>(&self) -> Client<HttpConnector, B> where
B: HttpBody + Send,
B::Data: Send,
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B: HttpBody + Send,
B::Data: Send,
Builder a client with this configuration and the default HttpConnector
.
pub fn build<C, B>(&self, connector: C) -> Client<C, B> where
C: Connect + Clone,
B: HttpBody + Send,
B::Data: Send,
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C: Connect + Clone,
B: HttpBody + Send,
B::Data: Send,
Combine the configuration of this builder with a connector to create a Client
.
Trait Implementations
Auto Trait Implementations
impl !RefUnwindSafe for Builder
impl Send for Builder
impl Sync for Builder
impl Unpin for Builder
impl !UnwindSafe for Builder
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
pub fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T> Instrument for T
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pub fn instrument(self, span: Span) -> Instrumented<Self>
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pub fn in_current_span(self) -> Instrumented<Self>
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> Pointable for T
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pub const ALIGN: usize
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type Init = T
The type for initializers.
pub unsafe fn init(init: <T as Pointable>::Init) -> usize
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pub unsafe fn deref<'a>(ptr: usize) -> &'a T
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pub unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T
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pub unsafe fn drop(ptr: usize)
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
pub fn to_owned(&self) -> T
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pub fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> WithSubscriber for T
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pub fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
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S: Into<Dispatch>,