torrust_index/bootstrap/
logging.rs

1//! Setup for the application logging.
2//!
3//! - `Off`
4//! - `Error`
5//! - `Warn`
6//! - `Info`
7//! - `Debug`
8//! - `Trace`
9use std::sync::Once;
10
11use tracing::info;
12use tracing::level_filters::LevelFilter;
13
14use crate::config::Threshold;
15
16static INIT: Once = Once::new();
17
18pub fn setup(threshold: &Threshold) {
19    let tracing_level_filter: LevelFilter = threshold.clone().into();
20
21    if tracing_level_filter == LevelFilter::OFF {
22        return;
23    }
24
25    INIT.call_once(|| {
26        tracing_stdout_init(tracing_level_filter, &TraceStyle::Default);
27    });
28}
29
30fn tracing_stdout_init(filter: LevelFilter, style: &TraceStyle) {
31    let builder = tracing_subscriber::fmt().with_max_level(filter);
32
33    let () = match style {
34        TraceStyle::Default => builder.init(),
35        TraceStyle::Pretty(display_filename) => builder.pretty().with_file(*display_filename).init(),
36        TraceStyle::Compact => builder.compact().init(),
37        TraceStyle::Json => builder.json().init(),
38    };
39
40    info!("Logging initialized");
41}
42
43#[derive(Debug)]
44pub enum TraceStyle {
45    Default,
46    Pretty(bool),
47    Compact,
48    Json,
49}
50
51impl std::fmt::Display for TraceStyle {
52    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
53        let style = match self {
54            TraceStyle::Default => "Default Style",
55            TraceStyle::Pretty(path) => match path {
56                true => "Pretty Style with File Paths",
57                false => "Pretty Style without File Paths",
58            },
59
60            TraceStyle::Compact => "Compact Style",
61            TraceStyle::Json => "Json Format",
62        };
63
64        f.write_str(style)
65    }
66}
torrust_index/bootstrap/logging.rs

torrust_index/bootstrap/
logging.rs
