update

Author: lazytiger

Cargo.lock

@@ -10,7 +10,6 @@ edition = "2018"
 clap = { git = "https://github.com/clap-rs/clap/" }
 mio = "0.6"
 log = "0.4"
-fern = "0.5"
 chrono = "0.4"
 libc = "0.2"
 rustls = "0.17"
@@ -22,3 +21,7 @@ webpki-roots = "0.19"
 webpki = "0.21"
 mio-extras = "2.0"
 socket2 = "0.3"
+
+[dependencies.fern]
+version = "0.6"
+features = ["reopen-03"]

Cargo.toml

@@ -197,7 +197,14 @@ pub fn setup_logger(logfile: &Option<String>, level: u8) {
         })
         .level(level);
     if logfile.is_some() {
-        builder = builder.chain(fern::log_file(logfile.as_ref().unwrap()).unwrap());
+        cfg_if::cfg_if!{
+            if #[cfg(unix)] {
+                let path = std::path::Path::new(logfile.as_ref().unwrap().as_str());
+                builder = builder.chain(fern::log_reopen(path, Some(libc::SIGUSR2)).unwrap());
+            } else {
+                builder = builder.chain(fern::log_file(logfile.as_ref().unwrap()).unwrap());
+            }
+        }
     } else {
         builder = builder.chain(std::io::stdout());
     }