feat: test tokio tcp server with read and write
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.gitignore
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.gitignore
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# Generated by Cargo
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# will have compiled files and executables
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debug/
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target/
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# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
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# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
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dependencies = [
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"socket2",
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[[package]]
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[[package]]
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name = "tokio"
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dependencies = [
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"tokio",
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dependencies = [
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"winapi-i686-pc-windows-gnu",
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"winapi-x86_64-pc-windows-gnu",
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name = "winapi-i686-pc-windows-gnu"
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[[package]]
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name = "winapi-x86_64-pc-windows-gnu"
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10
Cargo.toml
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10
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[package]
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name = "tokio-run"
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version = "0.1.0"
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authors = ["RouxAntoine <antoiroux@hotmail.fr>"]
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edition = "2018"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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tokio = { version = "1.2.0", features = ["macros", "rt-multi-thread", "net", "io-util"] }
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10
Makefile
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10
Makefile
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.PHONY: test
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build:
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cargo build
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test:
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echo "toto" | nc 127.0.0.1 5000
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27
src/main.rs
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27
src/main.rs
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use tokio::net::TcpListener;
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use tokio::io::{AsyncWriteExt, AsyncReadExt};
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#[tokio::main]
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async fn main() -> Result<(), Box<dyn std::error::Error>> {
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let listener = TcpListener::bind("localhost:5000").await?;
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println!("Server listening ...");
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loop {
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let (mut socket, addr) = listener.accept().await?;
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tokio::spawn(async move {
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println!("new client: {:?}", addr);
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let mut buffer = String::new();
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if let Err(e) = socket.read_to_string(&mut buffer).await {
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eprintln!("Error reading tcp input; err = {:?}", e);
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return;
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}
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if let Err(e) = socket.write_all(format!("Hello world! {}", buffer).as_bytes()).await {
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eprintln!("Error writing tcp response; err = {:?}", e);
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return;
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}
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});
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}
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Ok(())
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}
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