tracing-rolling 0.3.0

helper crate to customize rolling log file with tracing crate
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58

use std::time::Duration;

use time::macros::offset;
use tokio::time::sleep;
use tracing::info;
use tracing_rolling::{Checker, Daily};
use tracing_subscriber::fmt::writer::MakeWriterExt;

#[tokio::main]
async fn main() {
    let (all, token_all) = Daily::new("logs/all.log", "[year][month][day]", offset!(+8))
        .build()
        .unwrap();
    let (a, token_a) = Daily::new("logs/a.log", "[year][month][day]", offset!(+8))
        .build()
        .unwrap();
    let (b, token_b) = Daily::new("logs/b.log", "[year][month][day]", offset!(+8))
        .build()
        .unwrap();

    tracing_subscriber::fmt()
        .with_ansi(false)
        .with_target(false)
        .with_file(true)
        .with_line_number(true)
        .with_writer(
            all.with_filter(|e| !matches!(e.target(), "multi::a" | "multi::b"))
                .and(a.with_filter(|e| e.target() == "multi::a"))
                .and(b.with_filter(|e| e.target() == "multi::b")),
        )
        .init();
    let mut count = 0;
    info!("start");
    while count < 100 {
        count += 1;
        sleep(Duration::from_millis(50)).await;
        info!("{count}");
        a::foo();
        b::bar();
    }
    drop((token_a, token_all, token_b));
}

mod a {
    use tracing::info;

    pub fn foo() {
        info!("foo");
    }
}

mod b {
    use tracing::info;

    pub fn bar() {
        info!("bar");
    }
}