elfo-logger 0.2.0-alpha.15

Logs events of the elfo system
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
59
60
61
62
63
64
65
66
67
68
69

use std::path::PathBuf;

use fxhash::FxHashMap;
use serde::{Deserialize, Deserializer};
use tracing::metadata::LevelFilter;

#[derive(Debug, Deserialize)]
pub(crate) struct Config {
    #[serde(default)]
    pub(crate) sink: Sink,
    pub(crate) path: Option<PathBuf>,
    #[serde(default)]
    pub(crate) format: Format,

    #[serde(default)]
    pub(crate) targets: FxHashMap<String, LoggingTargetConfig>,
}

#[derive(Debug, Deserialize)]
pub(crate) struct LoggingTargetConfig {
    #[serde(deserialize_with = "deserialize_level_filter")]
    pub(crate) max_level: LevelFilter,
}

#[derive(Debug, Default, PartialEq, Deserialize)]
pub(crate) enum Sink {
    File,
    #[default]
    Stdout,
    // TODO: stdout + stderr
}

#[derive(Debug, Deserialize, Default)]
pub(crate) struct Format {
    #[serde(default)]
    pub(crate) with_location: bool,
    #[serde(default)]
    pub(crate) with_module: bool,
    // TODO: colors
}

// TODO: deduplicate with core
fn deserialize_level_filter<'de, D>(deserializer: D) -> Result<LevelFilter, D::Error>
where
    D: Deserializer<'de>,
{
    use PrettyLevelFilter::*;

    #[derive(Deserialize)]
    pub(crate) enum PrettyLevelFilter {
        Trace,
        Debug,
        Info,
        Warn,
        Error,
        Off,
    }

    let pretty = PrettyLevelFilter::deserialize(deserializer)?;

    Ok(match pretty {
        Trace => LevelFilter::TRACE,
        Debug => LevelFilter::DEBUG,
        Info => LevelFilter::INFO,
        Warn => LevelFilter::WARN,
        Error => LevelFilter::ERROR,
        Off => LevelFilter::OFF,
    })
}