Files
netrunner-proxy/tools/log/src/lib.rs
T
2026-04-03 12:06:58 +07:00

102 lines
3.2 KiB
Rust

use std::sync::{Once, OnceLock};
pub use tracing::{debug, error, info, instrument, span, trace, warn};
use tracing_appender::non_blocking::WorkerGuard;
use tracing_subscriber::{
fmt, layer::SubscriberExt, reload::Handle, util::SubscriberInitExt, EnvFilter, Registry,
};
type ReloadableFilter = Handle<EnvFilter, Registry>;
pub struct Logger {
filter_handle: ReloadableFilter,
_guard: Option<WorkerGuard>,
}
static INIT: Once = Once::new();
static LOGGER: OnceLock<Logger> = OnceLock::new();
impl Logger {
pub fn init(log_dir: Option<&str>) {
INIT.call_once(|| {
let filter =
EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new("info"));
let (filter_layer, handle) = tracing_subscriber::reload::Layer::new(filter);
let mut file_guard = None;
let mut file_layer = None;
if let Some(path) = log_dir {
let file_appender = tracing_appender::rolling::daily(path, "netrunner.log");
let (non_blocking, guard) = tracing_appender::non_blocking(file_appender);
file_layer = Some(
fmt::layer()
.with_writer(non_blocking)
.with_ansi(false)
.with_target(true)
.with_line_number(true),
);
file_guard = Some(guard);
}
let registry = tracing_subscriber::registry().with(filter_layer);
#[cfg(target_os = "android")]
let registry = {
let android_layer = tracing_android::layer("NETRUNNER_RUST")
.expect("Failed to create android layer");
registry.with(android_layer)
};
#[cfg(not(target_os = "android"))]
let registry = {
let fmt_layer = fmt::layer()
.with_target(true)
.with_line_number(true)
.with_ansi(true)
.with_writer(std::io::stdout);
registry.with(fmt_layer)
};
if let Some(f_layer) = file_layer {
registry.with(f_layer).init();
} else {
registry.init();
}
let _ = LOGGER.set(Logger {
filter_handle: handle,
_guard: file_guard,
});
eprintln!(
"--- [DEBUG] Logger initialized (File logging: {}) ---",
log_dir.is_some()
);
});
}
pub fn set_level(&self, level: &str) {
if let Ok(new_filter) = EnvFilter::try_new(level) {
let _ = self.filter_handle.reload(new_filter);
eprintln!("--- [DEBUG] Log level changed to: {} ---", level);
}
}
pub fn global() -> &'static Logger {
LOGGER.get().expect("Logger not initialized!")
}
pub fn info(&self, msg: &str) {
tracing::info!("{}", msg);
}
pub fn debug(&self, msg: &str) {
tracing::debug!("{}", msg);
}
pub fn error(&self, msg: &str) {
tracing::error!("{}", msg);
}
pub fn warn(&self, msg: &str) {
tracing::warn!("{}", msg);
}
}