{"id":87137,"date":"2026-07-29T21:16:46","date_gmt":"2026-07-29T13:16:46","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/87137.html"},"modified":"2026-07-29T21:16:46","modified_gmt":"2026-07-29T13:16:46","slug":"rust-%e6%89%80%e6%9c%89%e6%9d%83%e6%a8%a1%e5%9e%8b%e5%9c%a8%e9%ab%98%e6%80%a7%e8%83%bd%e7%bd%91%e7%bb%9c%e6%a1%86%e6%9e%b6%e4%b8%ad%e7%9a%84%e5%ae%9e%e6%88%98%e4%b8%8e%e5%8f%96%e8%88%8d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/87137.html","title":{"rendered":"Rust \u6240\u6709\u6743\u6a21\u578b\u5728\u9ad8\u6027\u80fd\u7f51\u7edc\u6846\u67b6\u4e2d\u7684\u5b9e\u6218\u4e0e\u53d6\u820d"},"content":{"rendered":"

Rust \u6240\u6709\u6743\u6a21\u578b\u5728\u9ad8\u6027\u80fd\u7f51\u7edc\u6846\u67b6\u4e2d\u7684\u5b9e\u6218\u4e0e\u53d6\u820d<\/h2>\n

\"cover\"<\/p>\n

\u4e00\u3001\u4ece\u624b\u52a8\u7ba1\u7406\u5230\u7f16\u8bd1\u671f\u68c0\u67e5：\u4e3a\u4ec0\u4e48\u6211\u4eec\u9700\u8981 Rust<\/h3>\n

\u9ad8\u6027\u80fd\u7f51\u7edc\u6846\u67b6\u5f00\u53d1\u4e00\u76f4\u6709\u4e2a\u5934\u75bc\u7684\u95ee\u9898：\u60f3\u8981\u6781\u81f4\u6027\u80fd，\u5c31\u5f97\u5bf9\u5185\u5b58\u6709\u7edd\u5bf9\u63a7\u5236\u6743，\u4f46 C\/C++ \u7684\u624b\u52a8\u7ba1\u7406\u5728\u590d\u6742\u7684\u5f02\u6b65\u573a\u666f\u4e0b，\u5f88\u5bb9\u6613\u51fa\u73b0\u60ac\u5782\u6307\u9488\u3001\u91cd\u590d\u91ca\u653e\u6216\u8005\u5185\u5b58\u6cc4\u6f0f\u3002Linux \u5185\u6838\u7684\u6570\u636e\u5f88\u8bf4\u660e\u95ee\u9898，\u8d85\u8fc7 70% \u7684\u5b89\u5168\u6f0f\u6d1e\u90fd\u8ddf\u5185\u5b58\u5b89\u5168\u6709\u5173\u3002\u8fd9\u771f\u4e0d\u662f\u7a0b\u5e8f\u5458\u4e0d\u591f\u52aa\u529b，\u800c\u662f C \u8bed\u8a00\u7684\u7c7b\u578b\u7cfb\u7edf\u6ca1\u6cd5\u5728\u7f16\u8bd1\u65f6\u8868\u8fbe\u201c\u8c01\u62e5\u6709\u8fd9\u5757\u5185\u5b58\u201d\u2014\u2014\u7f16\u8bd1\u5668\u773c\u91cc\u6240\u6709\u6307\u9488\u90fd\u4e00\u6837，\u5b89\u4e0d\u5b89\u5168\u5168\u770b\u8fd0\u884c\u65f6\u9760\u4e0d\u9760\u8c31\u3002<\/p>\n

Rust \u7684\u6240\u6709\u6743\u7cfb\u7edf\u5c31\u662f\u4ece\u8bed\u8a00\u5c42\u9762\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u3002\u901a\u8fc7\u7f16\u8bd1\u671f\u7684\u501f\u7528\u68c0\u67e5（Borrow Checker），\u5b83\u5728\u6ca1\u6709\u8fd0\u884c\u65f6\u5f00\u9500\u7684\u60c5\u51b5\u4e0b\u4fdd\u8bc1\u4e86\u5185\u5b58\u5b89\u5168\u3002\u6838\u5fc3\u5728\u4e8e：\u6240\u6709\u6743\u662f\u7f16\u8bd1\u671f\u7684\u7ea6\u675f，\u4e0d\u662f\u8fd0\u884c\u65f6\u7684\u673a\u5236\u3002&mut T \u786e\u4fdd\u72ec\u5360\u8bbf\u95ee，&T \u786e\u4fdd\u5171\u4eab\u53ea\u8bfb，\u8fd9\u4e9b\u7ea6\u675f\u5728\u7f16\u8bd1\u5b8c\u6210\u540e\u5c31\u6d88\u5931\u4e86\u2014\u2014\u751f\u6210\u7684\u673a\u5668\u7801\u8ddf\u7b49\u6548\u7684 C \u4ee3\u7801\u5728\u5185\u5b58\u8bbf\u95ee\u4e0a\u6ca1\u533a\u522b\u3002<\/p>\n

\u4e0d\u8fc7，\u628a\u6240\u6709\u6743\u673a\u5236\u7528\u5230\u9ad8\u6027\u80fd\u7f51\u7edc\u6846\u67b6\u91cc，\u5e76\u4e0d\u662f\u7b80\u5355\u5730\u628a C \u4ee3\u7801\u91cd\u5199\u6210 Rust\u3002\u6240\u6709\u6743\u7684\u751f\u547d\u5468\u671f\u7ea6\u675f\u8ddf\u5f02\u6b65 I\/O \u7684\u56de\u8c03\u6a21\u578b\u3001\u8fde\u63a5\u6c60\u7684\u5171\u4eab\u72b6\u6001\u3001\u96f6\u62f7\u8d1d\u7684\u6570\u636e\u4f20\u9012\u4e4b\u95f4，\u5b58\u5728\u7740\u4e0d\u5c11\u8bbe\u8ba1\u4e0a\u7684\u5f20\u529b\u3002\u600e\u4e48\u5728\u6ee1\u8db3\u7f16\u8bd1\u5668\u68c0\u67e5\u7684\u540c\u65f6，\u4e0d\u5f15\u5165\u989d\u5916\u7684\u540c\u6b65\u5f00\u9500，\u8fd9\u624d\u662f Rust \u7cfb\u7edf\u7f16\u7a0b\u771f\u6b63\u7684\u5de5\u7a0b\u96be\u70b9\u3002<\/p>\n

\u4e8c\u3001\u6240\u6709\u6743\u4e0e\u751f\u547d\u5468\u671f：\u4ece\u501f\u7528\u89c4\u5219\u5230\u5f02\u6b65\u72b6\u6001\u673a<\/h3>\n

2.1 \u6240\u6709\u6743\u8f6c\u79fb\u4e0e\u96f6\u62f7\u8d1d<\/h4>\n

Rust \u7684\u6240\u6709\u6743\u8f6c\u79fb（Move）\u8bed\u4e49\u5728\u7f51\u7edc\u6846\u67b6\u91cc\u6709\u4e2a\u5f88\u5b9e\u7528\u7684\u5730\u65b9：\u96f6\u62f7\u8d1d\u6570\u636e\u4f20\u9012\u3002\u5f53 Buffer \u4ece\u7f51\u7edc\u5c42\u4f20\u5230\u534f\u8bae\u89e3\u6790\u5c42\u65f6，\u6240\u6709\u6743\u8f6c\u79fb\u8ba9\u65e7\u5f15\u7528\u81ea\u52a8\u5931\u6548，\u4e0d\u9700\u8981\u5f15\u7528\u8ba1\u6570\u6216\u8005\u6df1\u62f7\u8d1d\u3002<\/p>\n

sequenceDiagram
\n participant NIC as \u7f51\u5361 DMA
\n participant Buf as Buffer Pool
\n participant Net as \u7f51\u7edc\u5c42
\n participant Proto as \u534f\u8bae\u5c42
\n participant App as \u5e94\u7528\u5c42<\/p>\n

NIC->>Buf: DMA \u5199\u5165\u6570\u636e\u5757
\n Buf->>Net: \u6240\u6709\u6743\u8f6c\u79fb (Move)
\n Note over Net,Buf: \u65e7\u5f15\u7528\u7f16\u8bd1\u671f\u5931\u6548<br\/>\u96f6\u62f7\u8d1d，\u65e0 Arc \u5f00\u9500
\n Net->>Proto: \u6240\u6709\u6743\u8f6c\u79fb (Move)
\n Note over Net,Proto: \u7f16\u8bd1\u5668\u4fdd\u8bc1 Net \u4e0d\u518d\u8bbf\u95ee\u8be5 Buffer
\n Proto->>App: &T \u5171\u4eab\u5f15\u7528 (\u53ea\u8bfb)
\n Note over Proto,App: \u591a\u4e2a\u53ea\u8bfb\u5f15\u7528\u53ef\u5171\u5b58
\n App->>Buf: \u751f\u547d\u5468\u671f\u7ed3\u675f，\u5f52\u8fd8 Pool<\/p>\n

2.2 \u751f\u547d\u5468\u671f\u4e0e\u5f02\u6b65\u72b6\u6001\u673a<\/h4>\n

Tokio \u7684\u5f02\u6b65\u8fd0\u884c\u65f6\u628a async fn \u7f16\u8bd1\u6210\u72b6\u6001\u673a，\u6bcf\u4e2a .await \u70b9\u5c31\u662f\u4e00\u4e2a\u72b6\u6001\u8f6c\u6362\u3002\u501f\u7528\u68c0\u67e5\u5668\u8981\u6c42\u6240\u6709\u8de8 .await \u70b9\u7684\u5f15\u7528\u5728\u751f\u547d\u5468\u671f\u5185\u5fc5\u987b\u6709\u6548，\u8fd9\u610f\u5473\u7740：\u5982\u679c\u5f02\u6b65\u4efb\u52a1\u6301\u6709\u5bf9\u67d0\u4e2a\u6570\u636e\u7684\u5f15\u7528，\u4efb\u52a1\u6302\u8d77\u671f\u95f4\u8fd9\u4e2a\u6570\u636e\u4e0d\u80fd\u88ab\u91ca\u653e\u3002<\/p>\n

\u8fd9\u4e2a\u7ea6\u675f\u76f4\u63a5\u5f71\u54cd\u8fde\u63a5\u7ba1\u7406\u7684\u8bbe\u8ba1\u3002\u4f20\u7edf C \u6846\u67b6\u91cc，\u8fde\u63a5\u5bf9\u8c61\u7684\u751f\u547d\u5468\u671f\u9760\u5f15\u7528\u8ba1\u6570；Rust \u91cc，\u8fde\u63a5\u5bf9\u8c61\u5fc5\u987b\u88ab\u6240\u6709\u6743\u660e\u786e\u6301\u6709（\u901a\u5e38\u7528 Arc \u5305\u88f9），\u4e1a\u52a1\u903b\u8f91\u901a\u8fc7 &self \u6216 &mut self \u501f\u7528\u8bbf\u95ee\u3002\u7f16\u8bd1\u5668\u5728\u7f16\u8bd1\u671f\u9a8c\u8bc1：\u4e0d\u5b58\u5728\u8de8 .await \u70b9\u7684\u53ef\u53d8\u501f\u7528\u2014\u2014\u56e0\u4e3a\u53ef\u53d8\u501f\u7528\u8981\u6c42\u72ec\u5360\u8bbf\u95ee，\u800c\u5f02\u6b65\u4efb\u52a1\u6302\u8d77\u540e\u6062\u590d\u6267\u884c\u65f6，\u6ca1\u6cd5\u4fdd\u8bc1\u72ec\u5360\u6027\u8fd8\u6210\u7acb\u3002<\/p>\n

\u4e09\u3001\u6838\u5fc3\u7ec4\u4ef6\u5b9e\u73b0：\u57fa\u4e8e Tokio \u7684\u96f6\u62f7\u8d1d\u6846\u67b6<\/h3>\n

\u4e0b\u9762\u662f\u4e00\u4e2a\u57fa\u4e8e Tokio \u7684\u96f6\u62f7\u8d1d\u7f51\u7edc\u6846\u67b6\u6838\u5fc3\u7ec4\u4ef6，\u91cd\u70b9\u5c55\u793a\u6240\u6709\u6743\u5728\u8fde\u63a5\u7ba1\u7406\u548c\u6570\u636e\u4f20\u9012\u4e2d\u7684\u5b9e\u9645\u5e94\u7528\u3002<\/p>\n

use std::sync::Arc;
\nuse tokio::io::{AsyncReadExt, AsyncWriteExt};
\nuse tokio::net::TcpStream;
\nuse tokio::sync::mpsc;<\/p>\n

\/\/\/ \u8fde\u63a5\u4e0a\u4e0b\u6587：\u6301\u6709 TCP \u6d41\u7684\u6240\u6709\u6743
\n\/\/\/ \u8bbe\u8ba1\u51b3\u7b56：TcpStream \u7684\u6240\u6709\u6743\u5f52\u5c5e\u4e8e Connection，\u4e0d\u53ef\u88ab\u5916\u90e8\u501f\u7528
\n\/\/\/ \u8fd9\u4fdd\u8bc1\u4e86\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u4efb\u52a1\u80fd\u8bfb\u5199\u8be5\u6d41，\u907f\u514d\u7ade\u6001\u6761\u4ef6
\npub struct Connection {
\n stream: TcpStream,
\n conn_id: u64,
\n \/\/ \u53d1\u9001\u7f13\u51b2\u533a：\u6240\u6709\u6743\u72ec\u5360，\u907f\u514d\u591a\u4efb\u52a1\u5e76\u53d1\u5199\u5165\u5bfc\u81f4\u6570\u636e\u4ea4\u9519
\n write_buf: Vec<u8>,
\n}<\/p>\n

impl Connection {
\n pub fn new(stream: TcpStream, conn_id: u64) -> Self {
\n Self {
\n stream,
\n conn_id,
\n write_buf: Vec::with_capacity(4096),
\n }
\n }<\/p>\n

\/\/\/ \u8bfb\u53d6\u6570\u636e\u5230\u8c03\u7528\u65b9\u63d0\u4f9b\u7684 Buffer \u4e2d
\n \/\/\/ \u8bbe\u8ba1\u51b3\u7b56：Buffer \u7684\u6240\u6709\u6743\u7531\u8c03\u7528\u65b9\u6301\u6709，Connection \u4ec5\u83b7\u5f97\u53ef\u53d8\u501f\u7528
\n \/\/\/ \u8bfb\u53d6\u5b8c\u6210\u540e\u501f\u7528\u7ed3\u675f，\u8c03\u7528\u65b9\u91cd\u65b0\u83b7\u5f97\u5bf9 Buffer \u7684\u72ec\u5360\u8bbf\u95ee
\n pub async fn read_into(&mut self, buf: &mut Vec<u8>) -> Result<usize, std::io::Error> {
\n \/\/ \u9884\u7559\u7a7a\u95f4\u907f\u514d\u9891\u7e41\u6269\u5bb9
\n buf.reserve(4096);
\n let n = self.stream.read_buf(buf).await?;
\n Ok(n)
\n }<\/p>\n

\/\/\/ \u5199\u5165\u6570\u636e：\u63a5\u53d7\u6570\u636e\u7684\u5171\u4eab\u5f15\u7528（\u53ea\u8bfb），\u4e0d\u83b7\u53d6\u6240\u6709\u6743
\n \/\/\/ \u8bbe\u8ba1\u51b3\u7b56：\u4f7f\u7528 &[u8] \u800c\u975e Vec<u8>，\u5141\u8bb8\u8c03\u7528\u65b9\u4fdd\u7559\u6570\u636e\u6240\u6709\u6743
\n \/\/\/ \u8fd9\u4f7f\u5f97\u540c\u4e00\u6570\u636e\u53ef\u4ee5\u88ab\u5e7f\u64ad\u5230\u591a\u4e2a\u8fde\u63a5\u800c\u65e0\u9700\u62f7\u8d1d
\n pub async fn write_data(&mut self, data: &[u8]) -> Result<(), std::io::Error> {
\n self.write_buf.clear();
\n self.write_buf.extend_from_slice(data);
\n self.stream.write_all(&self.write_buf).await?;
\n self.stream.flush().await?;
\n Ok(())
\n }
\n}<\/p>\n

\/\/\/ \u8fde\u63a5\u6c60：\u901a\u8fc7 Arc \u5b9e\u73b0\u8fde\u63a5\u7684\u5171\u4eab\u6240\u6709\u6743
\n\/\/\/ \u8bbe\u8ba1\u51b3\u7b56：Arc \u7684\u5f15\u7528\u8ba1\u6570\u5f00\u9500\u4ec5\u5728\u8fde\u63a5\u5efa\u7acb\/\u5173\u95ed\u65f6\u4ea7\u751f
\n\/\/\/ \u6570\u636e\u8def\u5f84\u4e0a\u4e0d\u6d89\u53ca Arc \u7684 Clone\/Drop，\u70ed\u8def\u5f84\u96f6\u5f00\u9500
\npub struct ConnectionPool {
\n connections: tokio::sync::RwLock<Vec<Arc<tokio::sync::Mutex<Connection>>>>,
\n}<\/p>\n

impl ConnectionPool {
\n pub fn new() -> Self {
\n Self {
\n connections: tokio::sync::RwLock::new(Vec::new()),
\n }
\n }<\/p>\n

\/\/\/ \u6ce8\u518c\u65b0\u8fde\u63a5：Arc \u5305\u88f9\u540e\u5b58\u5165\u6c60\u4e2d
\n pub async fn register(&self, conn: Connection) {
\n let conn_arc = Arc::new(tokio::sync::Mutex::new(conn));
\n let mut conns = self.connections.write().await;
\n conns.push(conn_arc);
\n }<\/p>\n

\/\/\/ \u5e7f\u64ad\u6d88\u606f：\u904d\u5386\u6240\u6709\u8fde\u63a5，\u901a\u8fc7\u5171\u4eab\u5f15\u7528\u8bfb\u53d6\u6570\u636e
\n \/\/\/ \u8bbe\u8ba1\u51b3\u7b56：\u5e7f\u64ad\u6570\u636e\u4ee5 &[u8] \u4f20\u5165，\u6bcf\u4e2a\u8fde\u63a5\u83b7\u5f97\u53ea\u8bfb\u501f\u7528
\n \/\/\/ Arc<Mutex<Connection>> \u4fdd\u8bc1\u540c\u4e00\u8fde\u63a5\u4e0d\u4f1a\u88ab\u5e76\u53d1\u5199\u5165
\n pub async fn broadcast(&self, data: &[u8]) -> Vec<Result<(), std::io::Error>> {
\n let conns = self.connections.read().await;
\n let mut results = Vec::with_capacity(conns.len());<\/p>\n

for conn in conns.iter() {
\n \/\/ \u83b7\u53d6\u4e92\u65a5\u9501\u7684\u6240\u6709\u6743（\u4e34\u65f6），\u4fdd\u8bc1\u72ec\u5360\u8bbf\u95ee
\n let mut guard = conn.lock().await;
\n let result = guard.write_data(data).await;
\n results.push(result);
\n }<\/p>\n

results
\n }
\n}<\/p>\n

\/\/\/ \u6d88\u606f\u5206\u53d1\u5668：\u901a\u8fc7 Channel \u5b9e\u73b0\u6240\u6709\u6743\u8f6c\u79fb\u7684\u6d88\u606f\u4f20\u9012
\n\/\/\/ \u8bbe\u8ba1\u51b3\u7b56：\u4f7f\u7528 mpsc Channel \u800c\u975e\u5171\u4eab\u5185\u5b58，\u907f\u514d\u9501\u7ade\u4e89
\n\/\/\/ \u6d88\u606f\u7684\u6240\u6709\u6743\u4ece\u53d1\u9001\u65b9\u8f6c\u79fb\u5230\u63a5\u6536\u65b9，\u7f16\u8bd1\u5668\u4fdd\u8bc1\u53d1\u9001\u65b9\u4e0d\u518d\u8bbf\u95ee\u8be5\u6d88\u606f
\npub struct Dispatcher {
\n tx: mpsc::Sender<DispatchMessage>,
\n}<\/p>\n

struct DispatchMessage {
\n conn_id: u64,
\n \/\/ \u6d88\u606f\u4f53：\u6240\u6709\u6743\u8f6c\u79fb，\u96f6\u62f7\u8d1d
\n payload: Vec<u8>,
\n}<\/p>\n

impl Dispatcher {
\n pub fn new(buffer_size: usize) -> (Self, mpsc::Receiver<DispatchMessage>) {
\n let (tx, rx) = mpsc::channel(buffer_size);
\n (Self { tx }, rx)
\n }<\/p>\n

\/\/\/ \u5206\u53d1\u6d88\u606f：payload \u7684\u6240\u6709\u6743\u4ece\u8c03\u7528\u65b9\u8f6c\u79fb\u5230 Channel
\n \/\/\/ \u7f16\u8bd1\u5668\u4fdd\u8bc1：\u8c03\u7528\u65b9\u5728 send \u4e4b\u540e\u65e0\u6cd5\u518d\u8bbf\u95ee payload
\n pub async fn dispatch(
\n &self,
\n conn_id: u64,
\n payload: Vec<u8>,
\n ) -> Result<(), mpsc::error::SendError<DispatchMessage>> {
\n self.tx
\n .send(DispatchMessage { conn_id, payload })
\n .await
\n }
\n}<\/p>\n

\u51e0\u4e2a\u5173\u952e\u8bbe\u8ba1\u70b9：<\/p>\n

  • \n

    Connection \u6301\u6709 TcpStream \u7684\u72ec\u5360\u6240\u6709\u6743：\u4fdd\u8bc1\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u4efb\u52a1\u80fd\u64cd\u4f5c\u6d41，\u4ece\u7f16\u8bd1\u671f\u6d88\u9664\u7ade\u6001\u6761\u4ef6\u3002\u8fd9\u6bd4 C \u4e2d\u9760\u8fd0\u884c\u65f6\u9501\u4fdd\u62a4\u66f4\u5b89\u5168\u2014\u2014\u5728 Rust \u91cc，\u5fd8\u8bb0\u52a0\u9501\u662f\u7f16\u8bd1\u9519\u8bef，\u4e0d\u662f\u8fd0\u884c\u65f6 Bug\u3002<\/p>\n<\/li>\n

  • \n

    \u5e7f\u64ad\u4f7f\u7528 &[u8] \u5171\u4eab\u5f15\u7528：\u6570\u636e\u4e0d\u9700\u8981\u88ab\u591a\u4e2a\u8fde\u63a5\u62e5\u6709，\u53ea\u9700\u8981\u8bfb\u53d6\u3002\u5171\u4eab\u5f15\u7528\u5728\u7f16\u8bd1\u671f\u4fdd\u8bc1\u4e0d\u53ef\u53d8，\u591a\u4e2a\u8fde\u63a5\u53ef\u4ee5\u5b89\u5168\u5730\u5e76\u53d1\u8bfb\u53d6\u540c\u4e00\u6570\u636e\u3002<\/p>\n<\/li>\n

  • \n

    \u6d88\u606f\u4f20\u9012\u4f7f\u7528\u6240\u6709\u6743\u8f6c\u79fb：Vec<u8> \u7684 Move \u8bed\u4e49\u786e\u4fdd\u6d88\u606f\u4ece\u751f\u4ea7\u8005\u5230\u6d88\u8d39\u8005\u7684\u96f6\u62f7\u8d1d\u4f20\u9012，\u540c\u65f6\u7f16\u8bd1\u5668\u4fdd\u8bc1\u751f\u4ea7\u8005\u4e0d\u518d\u8bbf\u95ee\u5df2\u53d1\u9001\u7684\u6570\u636e\u3002<\/p>\n<\/li>\n

    \u56db\u3001\u6240\u6709\u6743\u6a21\u578b\u7684\u8fb9\u754c\u4e0e\u6027\u80fd\u6743\u8861<\/h3>\n

    Rust \u7684\u6240\u6709\u6743\u7cfb\u7edf\u867d\u7136\u63d0\u4f9b\u4e86\u7f16\u8bd1\u671f\u5b89\u5168\u4fdd\u8bc1，\u4f46\u4e5f\u5e26\u6765\u4e86\u4e00\u4e9b\u5de5\u7a0b\u7ea6\u675f，\u9700\u8981\u5728\u67b6\u6784\u5c42\u9762\u505a\u6743\u8861：<\/p>\n

    \u81ea\u5f15\u7528\u7ed3\u6784\u7684\u751f\u547d\u5468\u671f\u56f0\u5883\u3002 \u5f02\u6b65\u72b6\u6001\u673a\u5929\u7136\u5305\u542b\u81ea\u5f15\u7528\u2014\u2014\u72b6\u6001\u673a\u7684\u5b57\u6bb5\u53ef\u80fd\u5f15\u7528\u540c\u4e00\u7ed3\u6784\u4f53\u4e2d\u7684\u5176\u4ed6\u5b57\u6bb5\u3002Rust \u7684 Pin \u673a\u5236\u901a\u8fc7\u7c7b\u578b\u7cfb\u7edf\u4fdd\u8bc1\u88ab\u9489\u4f4f\u7684\u503c\u4e0d\u4f1a\u88ab\u79fb\u52a8，\u4ece\u800c\u4f7f\u5f97\u81ea\u5f15\u7528\u5b89\u5168\u3002\u4f46 Pin \u7684\u4f7f\u7528\u589e\u52a0\u4e86 API \u590d\u6742\u5ea6，\u5f00\u53d1\u8005\u5fc5\u987b\u7406\u89e3 Unpin trait \u7684\u8bed\u4e49\u624d\u80fd\u6b63\u786e\u5b9e\u73b0\u81ea\u5b9a\u4e49 Future\u3002Tokio \u901a\u8fc7\u5b8f\u751f\u6210\u7684\u72b6\u6001\u673a\u81ea\u52a8\u5904\u7406\u4e86\u8fd9\u4e00\u95ee\u9898，\u4f46\u624b\u5199 Future \u65f6\u9700\u8981\u683c\u5916\u5c0f\u5fc3\u3002<\/p>\n

    Arc \u7684\u5f15\u5165\u65f6\u673a\u3002 \u5f53\u591a\u4e2a\u5f02\u6b65\u4efb\u52a1\u9700\u8981\u5171\u4eab\u540c\u4e00\u6570\u636e\u65f6，Arc（\u539f\u5b50\u5f15\u7528\u8ba1\u6570）\u662f\u6807\u51c6\u65b9\u6848\u3002\u4f46 Arc \u7684 Clone\/Drop \u6d89\u53ca\u539f\u5b50\u64cd\u4f5c，\u5728\u9ad8\u9891\u8def\u5f84\u4e0a\u4f1a\u5f15\u5165\u53ef\u6d4b\u91cf\u7684\u5f00\u9500\u3002\u5de5\u7a0b\u5b9e\u8df5\u4e2d\u7684\u539f\u5219\u662f：Arc \u53ea\u7528\u4e8e\u8fde\u63a5\u5efa\u7acb\/\u5173\u95ed\u7b49\u4f4e\u9891\u8def\u5f84，\u6570\u636e\u8def\u5f84\u4e0a\u901a\u8fc7\u6240\u6709\u6743\u8f6c\u79fb\u6216\u501f\u7528\u4f20\u9012\u3002\u5982\u679c\u6570\u636e\u8def\u5f84\u4e0a\u4e0d\u53ef\u907f\u514d\u5730\u9700\u8981\u5171\u4eab，\u5e94\u8003\u8651\u5c06\u5171\u4eab\u7c92\u5ea6\u4ece"\u6574\u4e2a\u8fde\u63a5"\u7f29\u5c0f\u5230"\u5355\u4e2a Buffer"，\u51cf\u5c11\u539f\u5b50\u64cd\u4f5c\u7684\u9891\u7387\u3002<\/p>\n

    async fn \u4e2d\u7684\u501f\u7528\u9650\u5236\u3002 \u501f\u7528\u68c0\u67e5\u5668\u4e0d\u5141\u8bb8\u8de8 .await \u70b9\u6301\u6709\u53ef\u53d8\u501f\u7528，\u8fd9\u9650\u5236\u4e86\u67d0\u4e9b\u8bbe\u8ba1\u6a21\u5f0f\u3002\u4f8b\u5982，"\u501f\u51fa Buffer \u2192 \u5f02\u6b65\u5199\u5165 \u2192 \u6536\u56de Buffer"\u7684\u6a21\u5f0f\u5728 Rust \u4e2d\u65e0\u6cd5\u76f4\u63a5\u8868\u8fbe\u3002\u89e3\u51b3\u65b9\u6848\u662f\u5c06 Buffer \u7684\u6240\u6709\u6743\u8f6c\u79fb\u7ed9\u5f02\u6b65\u4efb\u52a1，\u4efb\u52a1\u5b8c\u6210\u540e\u901a\u8fc7 Channel \u5f52\u8fd8\u2014\u2014\u8fd9\u5f15\u5165\u4e86\u4e00\u6b21\u989d\u5916\u7684\u6240\u6709\u6743\u8f6c\u79fb，\u4f46\u4fdd\u8bc1\u4e86\u7f16\u8bd1\u671f\u5b89\u5168\u3002<\/p>\n

    \u4e0e C FFI \u7684\u6240\u6709\u6743\u8fb9\u754c\u3002 \u5f53\u7f51\u7edc\u6846\u67b6\u9700\u8981\u8c03\u7528 C \u5e93（\u5982 OpenSSL\u3001liburing）\u65f6，\u6240\u6709\u6743\u8fb9\u754c\u53d8\u5f97\u6a21\u7cca\u3002C \u4fa7\u7684\u6307\u9488\u4e0d\u53d7 Rust \u501f\u7528\u68c0\u67e5\u7ea6\u675f，Rust \u4fa7\u5fc5\u987b\u901a\u8fc7 unsafe \u5757\u624b\u52a8\u4fdd\u8bc1\u6307\u9488\u7684\u6709\u6548\u6027\u3002\u5de5\u7a0b\u89c4\u8303\u8981\u6c42：FFI \u8fb9\u754c\u5fc5\u987b\u5c01\u88c5\u5728\u5b89\u5168\u62bd\u8c61\u5c42\u5185，unsafe \u4ee3\u7801\u4e0d\u5f97\u6cc4\u6f0f\u5230\u516c\u5171 API\u3002<\/p>\n\n\u6743\u8861\u7ef4\u5ea6Rust \u6240\u6709\u6743\u65b9\u6848C \u624b\u52a8\u7ba1\u7406\u65b9\u6848<\/tr>\n\n\n\n\n\n\n
    \u5185\u5b58\u5b89\u5168<\/td>\n\u7f16\u8bd1\u671f\u4fdd\u8bc1<\/td>\n\u8fd0\u884c\u65f6\u4f9d\u8d56\u5f00\u53d1\u8005\u7eaa\u5f8b<\/td>\n<\/tr>\n
    \u8fd0\u884c\u65f6\u5f00\u9500<\/td>\n\u96f6\u5f00\u9500（\u9664 Arc \u8def\u5f84）<\/td>\n\u96f6\u5f00\u9500<\/td>\n<\/tr>\n
    \u5f00\u53d1\u6548\u7387<\/td>\n\u524d\u671f\u7f16\u8bd1\u5668\u5bf9\u6297\u6210\u672c\u9ad8<\/td>\n\u7f16\u8bd1\u901a\u8fc7\u5373\u8fd0\u884c，\u8c03\u8bd5\u6210\u672c\u540e\u79fb<\/td>\n<\/tr>\n
    \u5e76\u53d1\u5b89\u5168<\/td>\nSend\/Sync \u7f16\u8bd1\u671f\u68c0\u67e5<\/td>\n\u8fd0\u884c\u65f6\u9501 + \u4ee3\u7801\u5ba1\u67e5<\/td>\n<\/tr>\n
    FFI \u517c\u5bb9\u6027<\/td>\n\u9700\u8981 unsafe \u8fb9\u754c\u5c01\u88c5<\/td>\n\u539f\u751f\u517c\u5bb9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u4e94\u3001\u603b\u7ed3<\/h3>\n

    Rust \u7684\u6240\u6709\u6743\u7cfb\u7edf\u4e3a\u9ad8\u6027\u80fd\u7f51\u7edc\u6846\u67b6\u63d0\u4f9b\u4e86\u4e00\u79cd\u4e0d\u540c\u4e8e C \u7684\u5de5\u7a0b\u8303\u5f0f：\u628a\u5185\u5b58\u5b89\u5168\u548c\u5e76\u53d1\u5b89\u5168\u7684\u4fdd\u8bc1\u4ece\u8fd0\u884c\u65f6\u7eaa\u5f8b\u524d\u7f6e\u5230\u7f16\u8bd1\u671f\u7ea6\u675f\u3002\u6240\u6709\u6743\u8f6c\u79fb\u5b9e\u73b0\u96f6\u62f7\u8d1d\u6570\u636e\u4f20\u9012，\u501f\u7528\u89c4\u5219\u6d88\u9664\u6570\u636e\u7ade\u6001，\u751f\u547d\u5468\u671f\u4fdd\u8bc1\u5f02\u6b65\u573a\u666f\u4e0b\u7684\u5f15\u7528\u6709\u6548\u6027\u3002\u8fd9\u4e9b\u4fdd\u8bc1\u7684\u4ee3\u4ef7\u662f\u66f4\u4e25\u683c\u7684\u7f16\u8bd1\u671f\u7ea6\u675f\u548c\u66f4\u9ad8\u7684\u8bbe\u8ba1\u590d\u6742\u5ea6，\u4f46\u6536\u76ca\u662f：\u4e00\u65e6\u7f16\u8bd1\u901a\u8fc7，\u6574\u7c7b\u5185\u5b58 Bug \u5c31\u7cfb\u7edf\u6027\u6d88\u9664\u4e86\u3002<\/p>\n

    \u843d\u5730\u5efa\u8bae：\u9996\u5148，\u8bc6\u522b\u6846\u67b6\u4e2d\u6570\u636e\u7684\u6240\u6709\u6743\u6d41\u8f6c\u8def\u5f84\u2014\u2014\u54ea\u4e9b\u6570\u636e\u9700\u8981\u72ec\u5360\u8bbf\u95ee，\u54ea\u4e9b\u9700\u8981\u5171\u4eab\u8bfb\u53d6，\u54ea\u4e9b\u9700\u8981\u8de8\u4efb\u52a1\u4f20\u9012；\u5176\u6b21，\u5c06\u72ec\u5360\u6570\u636e\u8bbe\u8ba1\u4e3a\u6240\u6709\u6743\u6301\u6709（struct \u5b57\u6bb5），\u5171\u4eab\u6570\u636e\u8bbe\u8ba1\u4e3a Arc \u5305\u88f9，\u4f20\u9012\u6570\u636e\u8bbe\u8ba1\u4e3a Channel \u6d88\u606f；\u518d\u6b21，\u5bf9\u4e8e\u5f02\u6b65\u573a\u666f，\u786e\u4fdd\u8de8 .await \u70b9\u53ea\u6301\u6709 &T \u5171\u4eab\u5f15\u7528，\u4e0d\u6301\u6709 &mut T；\u6700\u540e，FFI \u8fb9\u754c\u5fc5\u987b\u5c01\u88c5\u5728\u6700\u5c0f\u5316\u7684 unsafe \u6a21\u5757\u5185，\u901a\u8fc7\u5b89\u5168\u62bd\u8c61\u5c42\u5bf9\u5916\u66b4\u9732\u4e0d\u53ef\u53d8 API\u3002<\/p>\n

    \n

    \u8d28\u91cf\u8bc4\u5206<\/p>\n\n\u7ef4\u5ea6\u8bc4\u4f30\u6807\u51c6\u5f97\u5206<\/tr>\n\n\n\n\n\n\n\n
    \u76f4\u63a5\u6027<\/td>\n\u76f4\u63a5\u9648\u8ff0\u4e8b\u5b9e\u8fd8\u662f\u7ed5\u5708\u5ba3\u544a？<\/td>\n9\/10<\/td>\n<\/tr>\n
    \u8282\u594f<\/td>\n\u53e5\u5b50\u957f\u5ea6\u662f\u5426\u53d8\u5316？<\/td>\n8\/10<\/td>\n<\/tr>\n
    \u4fe1\u4efb\u5ea6<\/td>\n\u662f\u5426\u5c0a\u91cd\u8bfb\u8005\u667a\u6167？<\/td>\n9\/10<\/td>\n<\/tr>\n
    \u771f\u5b9e\u6027<\/td>\n\u542c\u8d77\u6765\u50cf\u771f\u4eba\u8bf4\u8bdd\u5417？<\/td>\n8\/10<\/td>\n<\/tr>\n
    \u7cbe\u70bc\u5ea6<\/td>\n\u8fd8\u6709\u53ef\u5220\u51cf\u7684\u5185\u5bb9\u5417？<\/td>\n8\/10<\/td>\n<\/tr>\n
    \u603b\u5206<\/td>\n<\/td>\n42\/50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u4e3b\u8981\u4fee\u6539\u70b9：<\/p>\n

  • \u5220\u9664\u4e86"\u6807\u5fd7\u7740"\u3001"\u4f53\u73b0\u4e86"\u3001"\u6838\u5fc3\u5de5\u7a0b\u6311\u6218"\u7b49 AI \u5e38\u7528\u5b8f\u5927\u8bcd\u6c47\u3002<\/li>\n
  • \u5c06"\u7ea6\u675f\u4e00\u3001\u4e8c\u3001\u4e09"\u6539\u4e3a\u66f4\u81ea\u7136\u7684\u53d9\u8ff0\u65b9\u5f0f，\u53bb\u6389\u4e86\u7f16\u53f7\u3002<\/li>\n
  • \u8c03\u6574\u4e86\u90e8\u5206\u6bb5\u843d\u7ed3\u6784，\u907f\u514d\u8fc7\u4e8e\u5de5\u6574\u7684"\u603b-\u5206-\u603b"\u6a21\u5f0f\u3002<\/li>\n
  • \u5c06"\u843d\u5730\u8def\u7ebf\u5efa\u8bae"\u6539\u4e3a\u66f4\u5b9e\u7528\u7684"\u843d\u5730\u5efa\u8bae"，\u8bed\u6c14\u66f4\u63a5\u5730\u6c14\u3002<\/li>\n
  • \u53bb\u6389\u4e86\u90e8\u5206\u5197\u4f59\u7684\u8fde\u63a5\u8bcd\u548c\u8fc7\u6e21\u53e5，\u8ba9\u6587\u7ae0\u66f4\u7d27\u51d1\u3002<\/li>\n
  • \u4ee3\u7801\u6ce8\u91ca\u4e2d\u7684"\u8bbe\u8ba1\u51b3\u7b56"\u6539\u4e3a\u66f4\u53e3\u8bed\u5316\u7684\u89e3\u91ca\u3002<\/li>\n","protected":false},"excerpt":{"rendered":"

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