//! Utilities.

use std::net::TcpStream;

const SSH_PORT: i32 = 22;

// Wait for a virtual machine to have opened its SSH port.
pub fn wait_for_ssh(name: &str) {
    let addr = format!("{}:{}", name, SSH_PORT);
    loop {
        if TcpStream::connect(&addr).is_ok() {
            return;
        }
    }
}