Initalize the logger Default log level is WARN, can be turned up to TRCE by adding -v flags and down to CRIT by adding -q flags
(verbose: u8, quiet: u8)
| 31 | /// Default log level is WARN, can be turned up to TRCE by adding -v flags |
| 32 | /// and down to CRIT by adding -q flags |
| 33 | pub(super) fn init_logger(verbose: u8, quiet: u8) -> anyhow::Result<slog::Logger> { |
| 34 | use slog::Drain; |
| 35 | |
| 36 | let verbose = verbose.clamp(0, 3); |
| 37 | let quiet = quiet.clamp(0, 2); |
| 38 | let level = 3 + verbose - quiet; |
| 39 | let level = slog::Level::from_usize(level as usize).with_context(|| "Invalid log level")?; |
| 40 | |
| 41 | let decorator = slog_term::TermDecorator::new().build(); |
| 42 | let drain = slog_term::FullFormat::new(decorator) |
| 43 | .build() |
| 44 | .filter_level(level) |
| 45 | .fuse(); |
| 46 | let drain = slog_async::Async::new(drain).build().fuse(); |
| 47 | Ok(slog::Logger::root(drain, slog::o!())) |
| 48 | } |