progress-streams 1.1.0

Progress callbacks for types which implement Read/Write
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

extern crate progress_streams;

use progress_streams::ProgressWriter;
use std::io::{Cursor, Write};
use std::sync::Arc;
use std::sync::atomic::{AtomicUsize, Ordering};
use std::thread;
use std::time::Duration;

fn main() {
    let total = Arc::new(AtomicUsize::new(0));
    let mut file = Cursor::new(Vec::new());
    let mut writer = ProgressWriter::new(&mut file, |progress: usize| {
        total.fetch_add(progress, Ordering::SeqCst);
    });

    {
        let total = total.clone();
        thread::spawn(move || {
            loop {
                println!("Written {} Kib", total.load(Ordering::SeqCst) / 1024);
                thread::sleep(Duration::from_millis(16));
            }
        });
    }

    let buffer = [0u8; 8192];
    while total.load(Ordering::SeqCst) < 1000 * 1024 * 1024 {
        writer.write(&buffer).unwrap();
    }
}