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replace tinyvec with smallvec (#1866)

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fakeshadow 2021-01-02 07:18:25 +08:00 committed by GitHub
parent 522c9a5ea6
commit 3beb4cf2da
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3 changed files with 13 additions and 9 deletions
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2
Cargo.toml
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@ -107,7 +107,7 @@ time = { version = "0.2.7", default-features = false, features = ["std"] }
url = "2.1"
open-ssl = { package = "openssl", version = "0.10", optional = true }
rust-tls = { package = "rustls", version = "0.18.0", optional = true }
tinyvec = { version = "1", features = ["alloc"] }
smallvec = "1.6"
[dev-dependencies]
actix = "0.10.0"

2
src/app_service.rs
View file

@ -10,7 +10,6 @@ use actix_router::{Path, ResourceDef, ResourceInfo, Router, Url};
use actix_service::boxed::{self, BoxService, BoxServiceFactory};
use actix_service::{fn_service, Service, ServiceFactory};
use futures_util::future::{join_all, ok, FutureExt, LocalBoxFuture};
use tinyvec::tiny_vec;
use crate::config::{AppConfig, AppService};
use crate::data::{DataFactory, FnDataFactory};
@ -246,7 +245,6 @@ where
inner.path.reset();
inner.head = head;
inner.payload = payload;
inner.app_data = tiny_vec![self.data.clone()];
req
} else {
HttpRequest::new(

18
src/request.rs
View file

@ -6,7 +6,7 @@ use actix_http::http::{HeaderMap, Method, Uri, Version};
use actix_http::{Error, Extensions, HttpMessage, Message, Payload, RequestHead};
use actix_router::{Path, Url};
use futures_util::future::{ok, Ready};
use tinyvec::TinyVec;
use smallvec::SmallVec;
use crate::config::AppConfig;
use crate::error::UrlGenerationError;
@ -22,7 +22,7 @@ pub(crate) struct HttpRequestInner {
pub(crate) head: Message<RequestHead>,
pub(crate) path: Path<Url>,
pub(crate) payload: Payload,
pub(crate) app_data: TinyVec<[Rc<Extensions>; 4]>,
pub(crate) app_data: SmallVec<[Rc<Extensions>; 4]>,
rmap: Rc<ResourceMap>,
config: AppConfig,
pool: &'static HttpRequestPool,
@ -39,7 +39,7 @@ impl HttpRequest {
app_data: Rc<Extensions>,
pool: &'static HttpRequestPool,
) -> HttpRequest {
let mut data = TinyVec::<[Rc<Extensions>; 4]>::new();
let mut data = SmallVec::<[Rc<Extensions>; 4]>::new();
data.push(app_data);
HttpRequest(Rc::new(HttpRequestInner {
@ -277,10 +277,16 @@ impl HttpMessage for HttpRequest {
impl Drop for HttpRequest {
fn drop(&mut self) {
// if possible, contribute to current worker's HttpRequest allocation pool
if Rc::strong_count(&self.0) == 1 {
let v = &mut self.0.pool.0.borrow_mut();
// This relies on no Weak<HttpRequestInner> exists anywhere.(There is none)
if let Some(inner) = Rc::get_mut(&mut self.0) {
let v = &mut inner.pool.0.borrow_mut();
if v.len() < 128 {
self.extensions_mut().clear();
// clear additional app_data and keep the root one for reuse.
inner.app_data.truncate(1);
// inner is borrowed mut here. get head's Extension mutably
// to reduce borrow check
inner.head.extensions.get_mut().clear();
v.push(self.0.clone());
}
}