Customized logging format with Local time instead of UTC

fix #217

Cargo.toml

@@ -62,9 +62,9 @@ local-protocol-http = ["hyper", "http", "tower"]
 [dependencies]
 log = "0.4"
 rand = "0.7"
-time = "0.2"
 clap = "2.33"
-env_logger = "0.7"
+env_logger = { version = "0.7", default-features = false, features = ["termcolor", "atty", "regex"] }
+chrono = "0.4"
 openssl = { version = "0.10", optional = true }
 libc = "^0.2.68"
 tokio = { version = "^0.2.7", features = ["net", "signal", "time", "sync", "process", "rt-threaded", "rt-core", "stream", "io-util"] }

src/bin/logging/mod.rs

@@ -1,11 +1,27 @@
-use std::env;
+use std::io::Write;
 
+use chrono::{offset::Local, SecondsFormat};
 use env_logger::Builder;
 use log::LevelFilter;
 
 pub fn init(debug_level: u64, bin_name: &str) {
-    let mut log_builder = Builder::new();
-    log_builder.filter(None, LevelFilter::Info).default_format();
+    let mut log_builder = Builder::from_default_env();
+    log_builder.filter(None, LevelFilter::Info);
+
+    log_builder.format(move |buf, record| {
+        write!(
+            buf,
+            "{} {:<5}",
+            Local::now().to_rfc3339_opts(SecondsFormat::Secs, false),
+            buf.default_styled_level(record.level())
+        )?;
+
+        if debug_level > 0 {
+            write!(buf, " [{}]", record.module_path().unwrap_or(""))?;
+        }
+
+        writeln!(buf, " {}", record.args())
+    });
 
     match debug_level {
         0 => {
@@ -29,9 +45,5 @@ pub fn init(debug_level: u64, bin_name: &str) {
         }
     }
 
-    if let Ok(env_conf) = env::var("RUST_LOG") {
-        log_builder.parse_filters(&env_conf);
-    }
-
     log_builder.init();
 }