Files
opencode/packages/desktop/src-tauri/src/logging.rs
2026-02-11 11:36:27 +00:00

84 lines
2.3 KiB
Rust

use std::fs::File;
use std::io::{BufRead, BufReader};
use std::path::{Path, PathBuf};
use tracing_appender::non_blocking::WorkerGuard;
use tracing_subscriber::{EnvFilter, fmt, layer::SubscriberExt, util::SubscriberInitExt};
const MAX_LOG_AGE_DAYS: u64 = 7;
const TAIL_LINES: usize = 1000;
static LOG_PATH: std::sync::OnceLock<PathBuf> = std::sync::OnceLock::new();
pub fn init(log_dir: &Path) -> WorkerGuard {
std::fs::create_dir_all(log_dir).expect("failed to create log directory");
cleanup(log_dir);
let timestamp = chrono::Local::now().format("%Y-%m-%d_%H-%M-%S");
let filename = format!("opencode-desktop_{timestamp}.log");
let log_path = log_dir.join(&filename);
LOG_PATH
.set(log_path.clone())
.expect("logging already initialized");
let file = File::create(&log_path).expect("failed to create log file");
let (non_blocking, guard) = tracing_appender::non_blocking(file);
let filter = EnvFilter::try_from_default_env().unwrap_or_else(|_| {
if cfg!(debug_assertions) {
EnvFilter::new("opencode_lib=debug,opencode_desktop=debug,sidecar=debug")
} else {
EnvFilter::new("opencode_lib=info,opencode_desktop=info,sidecar=info")
}
});
tracing_subscriber::registry()
.with(filter)
.with(fmt::layer().with_writer(std::io::stderr))
.with(
fmt::layer()
.with_writer(non_blocking)
.with_ansi(false),
)
.init();
guard
}
pub fn tail() -> String {
let Some(path) = LOG_PATH.get() else {
return String::new();
};
let Ok(file) = File::open(path) else {
return String::new();
};
let lines: Vec<String> = BufReader::new(file)
.lines()
.map_while(Result::ok)
.collect();
let start = lines.len().saturating_sub(TAIL_LINES);
lines[start..].join("\n")
}
fn cleanup(log_dir: &Path) {
let cutoff = std::time::SystemTime::now()
- std::time::Duration::from_secs(MAX_LOG_AGE_DAYS * 24 * 60 * 60);
let Ok(entries) = std::fs::read_dir(log_dir) else {
return;
};
for entry in entries.flatten() {
if let Ok(meta) = entry.metadata()
&& let Ok(modified) = meta.modified()
&& modified < cutoff
{
let _ = std::fs::remove_file(entry.path());
}
}
}