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export frozen request related types; refactor code layout

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This commit is contained in:
Nikolay Kim
2019-09-12 10:40:56 +06:00
parent 71f8577713
commit 45d2fd4299
5 changed files with 581 additions and 482 deletions
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235
awc/src/frozen.rs Normal file
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use std::net;
use std::rc::Rc;
use std::time::Duration;
use bytes::Bytes;
use futures::Stream;
use serde::Serialize;
use actix_http::body::Body;
use actix_http::http::header::IntoHeaderValue;
use actix_http::http::{
Error as HttpError, HeaderMap, HeaderName, HttpTryFrom, Method, Uri,
};
use actix_http::{Error, RequestHead};
use crate::sender::{RequestSender, SendClientRequest};
use crate::ClientConfig;
/// `FrozenClientRequest` struct represents clonable client request.
/// It could be used to send same request multiple times.
#[derive(Clone)]
pub struct FrozenClientRequest {
pub(crate) head: Rc<RequestHead>,
pub(crate) addr: Option<net::SocketAddr>,
pub(crate) response_decompress: bool,
pub(crate) timeout: Option<Duration>,
pub(crate) config: Rc<ClientConfig>,
}
impl FrozenClientRequest {
/// Get HTTP URI of request
pub fn get_uri(&self) -> &Uri {
&self.head.uri
}
/// Get HTTP method of this request
pub fn get_method(&self) -> &Method {
&self.head.method
}
/// Returns request's headers.
pub fn headers(&self) -> &HeaderMap {
&self.head.headers
}
/// Send a body.
pub fn send_body<B>(&self, body: B) -> SendClientRequest
where
B: Into<Body>,
{
RequestSender::Rc(self.head.clone(), None).send_body(
self.addr,
self.response_decompress,
self.timeout,
self.config.as_ref(),
body,
)
}
/// Send a json body.
pub fn send_json<T: Serialize>(&self, value: &T) -> SendClientRequest {
RequestSender::Rc(self.head.clone(), None).send_json(
self.addr,
self.response_decompress,
self.timeout,
self.config.as_ref(),
value,
)
}
/// Send an urlencoded body.
pub fn send_form<T: Serialize>(&self, value: &T) -> SendClientRequest {
RequestSender::Rc(self.head.clone(), None).send_form(
self.addr,
self.response_decompress,
self.timeout,
self.config.as_ref(),
value,
)
}
/// Send a streaming body.
pub fn send_stream<S, E>(&self, stream: S) -> SendClientRequest
where
S: Stream<Item = Bytes, Error = E> + 'static,
E: Into<Error> + 'static,
{
RequestSender::Rc(self.head.clone(), None).send_stream(
self.addr,
self.response_decompress,
self.timeout,
self.config.as_ref(),
stream,
)
}
/// Send an empty body.
pub fn send(&self) -> SendClientRequest {
RequestSender::Rc(self.head.clone(), None).send(
self.addr,
self.response_decompress,
self.timeout,
self.config.as_ref(),
)
}
/// Create a `FrozenSendBuilder` with extra headers
pub fn extra_headers(&self, extra_headers: HeaderMap) -> FrozenSendBuilder {
FrozenSendBuilder::new(self.clone(), extra_headers)
}
/// Create a `FrozenSendBuilder` with an extra header
pub fn extra_header<K, V>(&self, key: K, value: V) -> FrozenSendBuilder
where
HeaderName: HttpTryFrom<K>,
V: IntoHeaderValue,
{
self.extra_headers(HeaderMap::new())
.extra_header(key, value)
}
}
/// Builder that allows to modify extra headers.
pub struct FrozenSendBuilder {
req: FrozenClientRequest,
extra_headers: HeaderMap,
err: Option<HttpError>,
}
impl FrozenSendBuilder {
pub(crate) fn new(req: FrozenClientRequest, extra_headers: HeaderMap) -> Self {
Self {
req,
extra_headers,
err: None,
}
}
/// Insert a header, it overrides existing header in `FrozenClientRequest`.
pub fn extra_header<K, V>(mut self, key: K, value: V) -> Self
where
HeaderName: HttpTryFrom<K>,
V: IntoHeaderValue,
{
match HeaderName::try_from(key) {
Ok(key) => match value.try_into() {
Ok(value) => self.extra_headers.insert(key, value),
Err(e) => self.err = Some(e.into()),
},
Err(e) => self.err = Some(e.into()),
}
self
}
/// Complete request construction and send a body.
pub fn send_body<B>(self, body: B) -> SendClientRequest
where
B: Into<Body>,
{
if let Some(e) = self.err {
return e.into();
}
RequestSender::Rc(self.req.head, Some(self.extra_headers)).send_body(
self.req.addr,
self.req.response_decompress,
self.req.timeout,
self.req.config.as_ref(),
body,
)
}
/// Complete request construction and send a json body.
pub fn send_json<T: Serialize>(self, value: &T) -> SendClientRequest {
if let Some(e) = self.err {
return e.into();
}
RequestSender::Rc(self.req.head, Some(self.extra_headers)).send_json(
self.req.addr,
self.req.response_decompress,
self.req.timeout,
self.req.config.as_ref(),
value,
)
}
/// Complete request construction and send an urlencoded body.
pub fn send_form<T: Serialize>(self, value: &T) -> SendClientRequest {
if let Some(e) = self.err {
return e.into();
}
RequestSender::Rc(self.req.head, Some(self.extra_headers)).send_form(
self.req.addr,
self.req.response_decompress,
self.req.timeout,
self.req.config.as_ref(),
value,
)
}
/// Complete request construction and send a streaming body.
pub fn send_stream<S, E>(self, stream: S) -> SendClientRequest
where
S: Stream<Item = Bytes, Error = E> + 'static,
E: Into<Error> + 'static,
{
if let Some(e) = self.err {
return e.into();
}
RequestSender::Rc(self.req.head, Some(self.extra_headers)).send_stream(
self.req.addr,
self.req.response_decompress,
self.req.timeout,
self.req.config.as_ref(),
stream,
)
}
/// Complete request construction and send an empty body.
pub fn send(self) -> SendClientRequest {
if let Some(e) = self.err {
return e.into();
}
RequestSender::Rc(self.req.head, Some(self.extra_headers)).send(
self.req.addr,
self.req.response_decompress,
self.req.timeout,
self.req.config.as_ref(),
)
}
}