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Merge pull request #117 from RealOrangeOne/native-spawn-blocking-return

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Let `spawn_blocking` handle returning its own value
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Kavin 2023-11-18 17:34:59 +00:00 committed by GitHub
commit 04e383557d
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1 changed files with 10 additions and 14 deletions
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24
src/main.rs
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@ -11,7 +11,7 @@ use std::error::Error;
compile_error!("feature \"reqwest-native-tls\" or \"reqwest-rustls\" must be set for proxy to have TLS support");
#[cfg(any(feature = "webp", feature = "avif"))]
use tokio::{sync::oneshot, task::spawn_blocking};
use tokio::task::spawn_blocking;
#[cfg(feature = "mimalloc")]
#[global_allocator]
@ -231,8 +231,7 @@ async fn index(req: HttpRequest) -> Result<HttpResponse, Box<dyn Error>> {
&& (content_type == "image/webp" || content_type == "image/jpeg" && avif)
{
let resp_bytes = resp.bytes().await.unwrap();
let (tx, rx) = oneshot::channel::<(Vec<u8>, &'static str)>();
spawn_blocking(|| {
let (body, content_type) = spawn_blocking(|| {
use ravif::{Encoder, Img};
use rgb::FromSlice;
@ -252,12 +251,11 @@ async fn index(req: HttpRequest) -> Result<HttpResponse, Box<dyn Error>> {
.encode_rgb(buffer);
if let Ok(res) = res {
tx.send((res.avif_file.to_vec(), "image/avif")).unwrap();
(res.avif_file.to_vec(), "image/avif")
} else {
tx.send((resp_bytes.into(), "image/jpeg")).unwrap();
(resp_bytes.into(), "image/jpeg")
}
});
let (body, content_type) = rx.await.unwrap();
}).await.unwrap();
response.content_type(content_type);
return Ok(response.body(body));
}
@ -265,8 +263,7 @@ async fn index(req: HttpRequest) -> Result<HttpResponse, Box<dyn Error>> {
#[cfg(feature = "webp")]
if !disallow_image_transcoding && content_type == "image/jpeg" {
let resp_bytes = resp.bytes().await.unwrap();
let (tx, rx) = oneshot::channel::<(Vec<u8>, &'static str)>();
spawn_blocking(|| {
let (body, content_type) = spawn_blocking(|| {
use libwebp_sys::{WebPEncodeRGB, WebPFree};
let image = image::load_from_memory(&resp_bytes).unwrap();
@ -294,13 +291,12 @@ async fn index(req: HttpRequest) -> Result<HttpResponse, Box<dyn Error>> {
};
if bytes.len() < resp_bytes.len() {
tx.send((bytes, "image/webp")).unwrap();
return;
(bytes, "image/webp")
} else {
(resp_bytes.into(), "image/jpeg")
}
tx.send((resp_bytes.into(), "image/jpeg")).unwrap();
});
let (body, content_type) = rx.await.unwrap();
}).await.unwrap();
response.content_type(content_type);
return Ok(response.body(body));
}