fn vsock_connect()

in vsock_sample/rs/src/lib.rs [52:77]

• 22 lines of code
• 2 McCabe index (conditional complexity)

fn vsock_connect(cid: u32, port: u32) -> Result<VsockSocket, String> {
    let sockaddr = SockAddr::new_vsock(cid, port);
    let mut err_msg = String::new();

    for i in 0..MAX_CONNECTION_ATTEMPTS {
        let vsocket = VsockSocket::new(
            socket(
                AddressFamily::Vsock,
                SockType::Stream,
                SockFlag::empty(),
                None,
            )
            .map_err(|err| format!("Failed to create the socket: {:?}", err))?,
            Shutdown::Write,
        );
        match connect(vsocket.as_raw_fd(), &sockaddr) {
            Ok(_) => return Ok(vsocket),
            Err(e) => err_msg = format!("Failed to connect: {}", e),
        }

        // Exponentially backoff before retrying to connect to the socket
        std::thread::sleep(std::time::Duration::from_secs(1 << i));
    }

    Err(err_msg)
}