src/main.rs


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use clap::Parser;

#[tokio::main]
async fn main() -> anyhow::Result<()> {
    let args = Args::parse();
    let mut i = 0;
    let mut tasks = vec![];
    let client = reqwest::Client::builder()
        .danger_accept_invalid_certs(true)
        .build()?;
    while i < args.n {
        let url = args.url.clone();
        let client = client.clone();
        let x = tokio::spawn(
            async move { client.get(&url).send().await });
        tasks.push(x);
        i += 1;
    }
    println!("{} tasks created", tasks.len());
    for task in tasks {
        let result = task.await?;
        let response = result?;
        if !response.status().is_success() {
            println!("{:?} {}", args.url,
                     response.status());
        }
    }
    println!("OK");
    Ok(())
}

#[derive(Parser)]
struct Args {
    #[clap()]
    n: usize,

    #[clap()]
    url: String,
}