Function prepare_vubd

cloud-hypervisor/tests/common/utils.rs:140–171

(
    tmp_dir: &TempDir,
    blk_img: &str,
    num_queues: usize,
    rdonly: bool,
    direct: bool,
)

}

pub(crate) fn prepare_vubd(
    tmp_dir: &TempDir,
    blk_img: &str,
    num_queues: usize,
    rdonly: bool,
    direct: bool,
) -> (std::process::Child, String) {
    let mut workload_path = dirs::home_dir().unwrap();
    workload_path.push("workloads");

    let mut blk_file_path = workload_path;
    blk_file_path.push(blk_img);
    let blk_file_path = String::from(blk_file_path.to_str().unwrap());

    let vubd_socket_path = String::from(tmp_dir.as_path().join("vub.sock").to_str().unwrap());

    // Start the daemon
    let child = Command::new(clh_command("vhost_user_block"))
        .args([
            "--block-backend",
            format!(
                "path={blk_file_path},socket={vubd_socket_path},num_queues={num_queues},readonly={rdonly},direct={direct}"
            )
            .as_str(),
        ])
        .spawn()
        .unwrap();

    thread::sleep(std::time::Duration::new(10, 0));

    (child, vubd_socket_path)
}

pub(crate) fn temp_vsock_path(tmp_dir: &TempDir) -> String {
    String::from(tmp_dir.as_path().join("vsock").to_str().unwrap())