最基本的Hello World示例:
TcpServer端:
cpp;gutter:true;
use std::{net::TcpListener, io::{Read, Write}};</p>
<p>fn main() {
//绑定本机3000端口
let listener = TcpListener::bind("127.0.0.1:3000").unwrap();
println!("Running on port 3000...");</p>
<pre><code>//当有client连接上来时
for stream in listener.incoming(){
let mut stream = stream.unwrap();
println!("Connection established!");
//创建1k的缓存区
let mut buffer = [0;1024];
//读取client发过来的内容
stream.read(&mut buffer).unwrap();
//原样送回去(相当于netty的EchoServer)
stream.write(&mut buffer).unwrap();
}
</code></pre>
<p>}</p>
<pre><code>
TcpClient端:
;gutter:true;
use std::net::{TcpStream};
use std::io::{Read,Write};
use std::str;
fn main() {
//连接到server
let mut stream = TcpStream::connect("127.0.0.1:3000").unwrap();
//发送字符串
stream.write("hello,rust.欢迎使用Rust".as_bytes()).unwrap();
//创建1k的缓冲区,用于接收server发过来的内容
let mut buffer = [0;1024];
//读取server发过来的内容
stream.read(&mut buffer).unwrap();
//打印接收到的内容(注:如果收到的实际内容小于1k,后面的部分默认全是\u{0}填充,所以要trim_matches去掉)
println!("Response from server:{:?}",str::from_utf8(&buffer).unwrap().trim_matches(‘\u{0}’));
}
Original: https://www.cnblogs.com/yjmyzz/p/tcp-hello-world-in-rust.html
Author: 菩提树下的杨过
Title: Rust: Tcp编程Demo
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