From 0d36d2e4c4b7c0dc24c531d80081fb7aa1e6d6aa Mon Sep 17 00:00:00 2001 From: Keuin Date: Mon, 28 Mar 2022 15:01:03 +0800 Subject: Log to file. --- src/main.rs | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) (limited to 'src') diff --git a/src/main.rs b/src/main.rs index 1c1bd48..2c4263d 100644 --- a/src/main.rs +++ b/src/main.rs @@ -1,3 +1,4 @@ +use std::{io, path}; use std::collections::HashMap; use std::convert::Infallible; use std::net::SocketAddr; @@ -6,7 +7,8 @@ use std::str::FromStr; use teloxide::prelude2::*; use tracing::{debug, info, Level}; use tracing::instrument; -use tracing_subscriber::FmtSubscriber; +use tracing_subscriber::fmt; +use tracing_subscriber::layer::SubscriberExt; use warp::Filter; use config::Config; @@ -50,9 +52,20 @@ async fn main() { } }; eprintln!("Configuration is loaded. Set log level to {:?}.", log_level); - let subscriber = FmtSubscriber::builder() + let log_file_path = path::Path::new(&config.log_file); + let parent = log_file_path.parent().expect("Cannot extract parent."); + let filename = log_file_path.file_name().expect("Cannot extract file name."); + let (nb_file_appender, _guard) = + tracing_appender::non_blocking( + tracing_appender::rolling::never(parent, filename)); + let subscriber = fmt::Subscriber::builder() .with_max_level(log_level) - .finish(); + .with_writer(io::stderr) // log to stderr + .finish() + .with(fmt::Layer::default() + .with_writer(nb_file_appender) // log to file + .with_ansi(false)); // remove color control characters from log file + tracing::subscriber::set_global_default(subscriber) .expect("Failed to set default subscriber"); -- cgit v1.2.3