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use std::path::PathBuf;
use tracing_subscriber::filter::EnvFilter;
use tracing_subscriber::filter::LevelFilter;
use tracing_subscriber::layer::SubscriberExt;
use tracing_subscriber::Layer;
use crate::cli::LoggingSpec;
pub fn setup_logging(
spec: Option<LoggingSpec>,
chrome_logging: Option<&PathBuf>,
tracy_logging: bool,
) -> miette::Result<LogGuard> {
let env_filter = match spec {
None => {
let filter = EnvFilter::builder()
.with_default_directive(LevelFilter::WARN.into())
.from_env_lossy();
Some(filter)
}
Some(LoggingSpec::Off) | Some(LoggingSpec::False) => None,
Some(LoggingSpec::Trace) => {
let filter = EnvFilter::from_default_env().add_directive(LevelFilter::TRACE.into());
Some(filter)
}
Some(LoggingSpec::Debug) => {
let filter = EnvFilter::from_default_env().add_directive(LevelFilter::DEBUG.into());
Some(filter)
}
Some(LoggingSpec::Info) => {
let filter = EnvFilter::from_default_env().add_directive(LevelFilter::INFO.into());
Some(filter)
}
Some(LoggingSpec::Warn) => {
let filter = EnvFilter::from_default_env().add_directive(LevelFilter::WARN.into());
Some(filter)
}
Some(LoggingSpec::Error) => {
let filter = EnvFilter::from_default_env().add_directive(LevelFilter::ERROR.into());
Some(filter)
}
};
let (opt_chrome_layer, chrome_log_guard) = chrome_logging
.map(|path| {
tracing_chrome::ChromeLayerBuilder::new()
.file(path)
.include_args(true)
.include_locations(true)
.build()
})
.map(|(layer, guard)| (Some(layer), Some(guard)))
.unwrap_or_default();
let opt_tracy_layer = tracy_logging.then(tracing_tracy::TracyLayer::new);
let stdout_log = env_filter.map(|f| tracing_subscriber::fmt::layer().with_filter(f));
let subscriber = tracing_subscriber::registry::Registry::default()
.with(opt_chrome_layer)
.with(opt_tracy_layer)
.with(stdout_log);
tracing::subscriber::set_global_default(subscriber)
.map_err(|e| miette::miette!("Failed to set global subscriber: {:?}", e))?;
if spec.is_none() {
tracing::warn!("Logging level set to WARN. Only warnings and errors will be reported.");
}
Ok(LogGuard { chrome_log_guard })
}
/// Helper type for keeping the tracing_chrome::FlushGuard alive if we trace with tracing_chrome
///
/// Only there for its Drop implementation
pub struct LogGuard {
#[allow(dead_code)]
chrome_log_guard: Option<tracing_chrome::FlushGuard>,
}
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