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fix: optimize download zip

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This commit is contained in:
sigoden 2022-05-28 22:27:28 +08:00
parent 3673a64ec7
commit 06d2b81824
1 changed files with 24 additions and 6 deletions
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30
src/server.rs
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@ -5,6 +5,7 @@ use async_zip::write::{EntryOptions, ZipFileWriter};
use async_zip::Compression;
use futures::stream::StreamExt;
use futures::TryStreamExt;
use hyper::body::Bytes;
use hyper::header::HeaderValue;
use hyper::service::{make_service_fn, service_fn};
use hyper::{Body, Method, StatusCode};
@ -15,10 +16,9 @@ use std::path::{Path, PathBuf};
use std::sync::Arc;
use std::time::SystemTime;
use tokio::fs::File;
use tokio::io::AsyncWrite;
use tokio::io::{AsyncReadExt, AsyncWrite};
use tokio::{fs, io};
use tokio_util::codec::{BytesCodec, FramedRead};
use tokio_util::io::ReaderStream;
use tokio_util::io::StreamReader;
type Request = hyper::Request<Body>;
@ -35,6 +35,7 @@ macro_rules! status_code {
const INDEX_HTML: &str = include_str!("index.html");
const INDEX_CSS: &str = include_str!("index.css");
const BUF_SIZE: usize = 1024 * 16;
pub async fn serve(args: Args) -> BoxResult<()> {
let address = args.address()?;
@ -187,10 +188,27 @@ impl InnerService {
}
async fn handle_send_dir_zip(&self, path: &Path) -> BoxResult<Response> {
let (mut writer, reader) = tokio::io::duplex(1024 * 1024 * 20);
dir_zip(&mut writer, path).await?;
let stream = ReaderStream::new(reader);
let body = Body::wrap_stream(stream);
let (mut tx, body) = Body::channel();
let (mut writer, mut reader) = tokio::io::duplex(BUF_SIZE);
let path = path.to_owned();
tokio::spawn(async move {
if let Err(e) = dir_zip(&mut writer, &path).await {
error!("Fail to zip {}, {}", path.display(), e.to_string());
}
});
tokio::spawn(async move {
// Reuse this buffer
let mut buf = [0_u8; BUF_SIZE];
loop {
let n = reader.read(&mut buf).await.unwrap();
if n == 0 {
break;
}
if (tx.send_data(Bytes::from(buf[..n].to_vec())).await).is_err() {
break;
}
}
});
Ok(Response::new(body))
}