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feat: allow to log to file too via CLI option

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əlemi 2022-11-10 21:55:41 +01:00
parent 85f88fabc2
commit ceb7fa6da2
Signed by: alemi
GPG key ID: A4895B84D311642C
1 changed files with 22 additions and 12 deletions
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34
src/main.rs
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@ -3,6 +3,8 @@ mod data;
mod util; mod util;
mod worker; mod worker;
use std::sync::Arc;
use tracing::metadata::LevelFilter; use tracing::metadata::LevelFilter;
use tracing_subscriber::prelude::*; use tracing_subscriber::prelude::*;
use tracing::{info, error}; use tracing::{info, error};
@ -38,8 +40,12 @@ struct CliArgs {
cache_time: u64, cache_time: u64,
/// How many log lines to keep in memory /// How many log lines to keep in memory
#[arg(short, long, default_value_t = 1000)] #[arg(long, default_value_t = 1000)]
log_size: u64, log_size: u64,
#[arg(long)]
log_file: Option<String>,
} }
#[derive(Subcommand, Clone, Debug)] #[derive(Subcommand, Clone, Debug)]
@ -58,17 +64,21 @@ enum Mode {
}, },
} }
fn setup_tracing(layer: Option<InternalLoggerLayer>) { fn setup_tracing(layer: Option<InternalLoggerLayer>, log_to_file:Option<String>) {
let sub = tracing_subscriber::registry() let file_layer = if let Some(path) = log_to_file {
let file = std::fs::File::create(path).expect("Cannot open requested log file for writing");
Some(tracing_subscriber::fmt::layer().with_ansi(false).with_writer(Arc::new(file)))
} else {
None
};
tracing_subscriber::registry()
.with(LevelFilter::INFO) .with(LevelFilter::INFO)
.with(filter_fn(|x| x.target() != "sqlx::query")) .with(filter_fn(|x| x.target() != "sqlx::query"))
.with(tracing_subscriber::fmt::Layer::new()); .with(tracing_subscriber::fmt::layer()) // stdout log
.with(file_layer)
if let Some(layer) = layer { .with(layer)
sub.with(layer).init(); .init();
} else {
sub.init();
}
} }
fn main() { fn main() {
@ -81,7 +91,7 @@ fn main() {
match args.mode { match args.mode {
Mode::Worker { db_uris } => { Mode::Worker { db_uris } => {
setup_tracing(None); setup_tracing(None, args.log_file);
let worker = std::thread::spawn(move || { let worker = std::thread::spawn(move || {
tokio::runtime::Builder::new_multi_thread() tokio::runtime::Builder::new_multi_thread()
@ -144,7 +154,7 @@ fn main() {
let logger = InternalLogger::new(args.log_size as usize); let logger = InternalLogger::new(args.log_size as usize);
let logger_view = logger.view(); let logger_view = logger.view();
setup_tracing(Some(logger.layer())); setup_tracing(Some(logger.layer()), args.log_file);
let state = match AppState::new( let state = match AppState::new(
width_rx, width_rx,