velopack 0.0.0-local

Installer and automatic updates for cross-platform desktop applications
Documentation 
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use std::thread;
use std::time::Duration;

pub fn is_http_url(url: &str) -> bool {
    match url::Url::parse(url) {
        Ok(url) => url.scheme().eq_ignore_ascii_case("http") || url.scheme().eq_ignore_ascii_case("https"),
        _ => false,
    }
}

pub fn retry_io<F, T, E>(op: F) -> Result<T, E>
where
    F: Fn() -> Result<T, E>,
    E: std::fmt::Debug,
{
    let res = op();
    if res.is_ok() {
        return Ok(res.unwrap());
    }

    warn!("Retrying operation in 333ms... (error was: {:?})", res.err());
    thread::sleep(Duration::from_millis(333));

    let res = op();
    if res.is_ok() {
        return Ok(res.unwrap());
    }

    warn!("Retrying operation in 666ms... (error was: {:?})", res.err());
    thread::sleep(Duration::from_millis(666));

    let res = op();
    if res.is_ok() {
        return Ok(res.unwrap());
    }

    warn!("Retrying operation in 1000ms... (error was: {:?})", res.err());
    thread::sleep(Duration::from_millis(1000));

    op()
}