2019-09-12 06:40:56 +02:00
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use std::net;
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use std::rc::Rc;
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use std::time::Duration;
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use bytes::Bytes;
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use futures::Stream;
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use serde::Serialize;
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use actix_http::body::Body;
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use actix_http::http::header::IntoHeaderValue;
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use actix_http::http::{
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Error as HttpError, HeaderMap, HeaderName, HttpTryFrom, Method, Uri,
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};
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use actix_http::{Error, RequestHead};
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use crate::sender::{RequestSender, SendClientRequest};
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use crate::ClientConfig;
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/// `FrozenClientRequest` struct represents clonable client request.
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/// It could be used to send same request multiple times.
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#[derive(Clone)]
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pub struct FrozenClientRequest {
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pub(crate) head: Rc<RequestHead>,
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pub(crate) addr: Option<net::SocketAddr>,
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pub(crate) response_decompress: bool,
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pub(crate) timeout: Option<Duration>,
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pub(crate) config: Rc<ClientConfig>,
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}
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impl FrozenClientRequest {
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/// Get HTTP URI of request
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pub fn get_uri(&self) -> &Uri {
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&self.head.uri
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}
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/// Get HTTP method of this request
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pub fn get_method(&self) -> &Method {
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&self.head.method
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}
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/// Returns request's headers.
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pub fn headers(&self) -> &HeaderMap {
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&self.head.headers
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}
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/// Send a body.
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pub fn send_body<B>(&self, body: B) -> SendClientRequest
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where
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B: Into<Body>,
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{
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RequestSender::Rc(self.head.clone(), None).send_body(
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self.addr,
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self.response_decompress,
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self.timeout,
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self.config.as_ref(),
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body,
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)
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}
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/// Send a json body.
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pub fn send_json<T: Serialize>(&self, value: &T) -> SendClientRequest {
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RequestSender::Rc(self.head.clone(), None).send_json(
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self.addr,
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self.response_decompress,
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self.timeout,
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self.config.as_ref(),
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value,
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)
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}
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/// Send an urlencoded body.
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pub fn send_form<T: Serialize>(&self, value: &T) -> SendClientRequest {
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RequestSender::Rc(self.head.clone(), None).send_form(
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self.addr,
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self.response_decompress,
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self.timeout,
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self.config.as_ref(),
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value,
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)
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}
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/// Send a streaming body.
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pub fn send_stream<S, E>(&self, stream: S) -> SendClientRequest
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where
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2019-11-19 04:55:17 +01:00
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S: Stream<Item = Result<Bytes, E>> + Unpin + 'static,
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2019-09-12 06:40:56 +02:00
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E: Into<Error> + 'static,
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{
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RequestSender::Rc(self.head.clone(), None).send_stream(
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self.addr,
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self.response_decompress,
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self.timeout,
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self.config.as_ref(),
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stream,
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)
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}
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/// Send an empty body.
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pub fn send(&self) -> SendClientRequest {
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RequestSender::Rc(self.head.clone(), None).send(
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self.addr,
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self.response_decompress,
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self.timeout,
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self.config.as_ref(),
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)
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}
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/// Create a `FrozenSendBuilder` with extra headers
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pub fn extra_headers(&self, extra_headers: HeaderMap) -> FrozenSendBuilder {
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FrozenSendBuilder::new(self.clone(), extra_headers)
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}
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/// Create a `FrozenSendBuilder` with an extra header
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pub fn extra_header<K, V>(&self, key: K, value: V) -> FrozenSendBuilder
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where
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HeaderName: HttpTryFrom<K>,
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V: IntoHeaderValue,
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{
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self.extra_headers(HeaderMap::new())
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.extra_header(key, value)
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}
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}
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/// Builder that allows to modify extra headers.
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pub struct FrozenSendBuilder {
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req: FrozenClientRequest,
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extra_headers: HeaderMap,
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err: Option<HttpError>,
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}
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impl FrozenSendBuilder {
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pub(crate) fn new(req: FrozenClientRequest, extra_headers: HeaderMap) -> Self {
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Self {
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req,
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extra_headers,
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err: None,
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}
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}
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/// Insert a header, it overrides existing header in `FrozenClientRequest`.
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pub fn extra_header<K, V>(mut self, key: K, value: V) -> Self
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where
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HeaderName: HttpTryFrom<K>,
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V: IntoHeaderValue,
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{
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match HeaderName::try_from(key) {
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Ok(key) => match value.try_into() {
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Ok(value) => self.extra_headers.insert(key, value),
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Err(e) => self.err = Some(e.into()),
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},
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Err(e) => self.err = Some(e.into()),
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}
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self
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}
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/// Complete request construction and send a body.
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pub fn send_body<B>(self, body: B) -> SendClientRequest
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where
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B: Into<Body>,
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{
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if let Some(e) = self.err {
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return e.into();
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}
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RequestSender::Rc(self.req.head, Some(self.extra_headers)).send_body(
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self.req.addr,
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self.req.response_decompress,
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self.req.timeout,
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self.req.config.as_ref(),
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body,
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)
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}
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/// Complete request construction and send a json body.
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pub fn send_json<T: Serialize>(self, value: &T) -> SendClientRequest {
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if let Some(e) = self.err {
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return e.into();
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}
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RequestSender::Rc(self.req.head, Some(self.extra_headers)).send_json(
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self.req.addr,
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self.req.response_decompress,
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self.req.timeout,
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self.req.config.as_ref(),
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value,
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)
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}
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/// Complete request construction and send an urlencoded body.
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pub fn send_form<T: Serialize>(self, value: &T) -> SendClientRequest {
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if let Some(e) = self.err {
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return e.into();
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}
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RequestSender::Rc(self.req.head, Some(self.extra_headers)).send_form(
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self.req.addr,
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self.req.response_decompress,
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self.req.timeout,
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self.req.config.as_ref(),
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value,
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)
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}
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/// Complete request construction and send a streaming body.
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pub fn send_stream<S, E>(self, stream: S) -> SendClientRequest
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where
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2019-11-19 04:55:17 +01:00
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S: Stream<Item = Result<Bytes, E>> + Unpin + 'static,
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2019-09-12 06:40:56 +02:00
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E: Into<Error> + 'static,
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{
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if let Some(e) = self.err {
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return e.into();
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}
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RequestSender::Rc(self.req.head, Some(self.extra_headers)).send_stream(
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self.req.addr,
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self.req.response_decompress,
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self.req.timeout,
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self.req.config.as_ref(),
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stream,
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)
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}
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/// Complete request construction and send an empty body.
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pub fn send(self) -> SendClientRequest {
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if let Some(e) = self.err {
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return e.into();
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}
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RequestSender::Rc(self.req.head, Some(self.extra_headers)).send(
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self.req.addr,
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self.req.response_decompress,
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self.req.timeout,
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self.req.config.as_ref(),
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)
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}
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}
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