Moving to async

Cargo.lock

@@ -1043,7 +1043,7 @@ checksum = "436b050e76ed2903236f032a59761c1eb99e1b0aead2c257922771dab1fc8c78"
 
 [[package]]
 name = "rexec"
-version = "1.0.2"
+version = "1.0.3"
 dependencies = [
  "brace-expand",
  "clap 4.3.4",
@@ -1056,6 +1056,7 @@ dependencies = [
  "log",
  "massh",
  "regex",
+ "tokio",
  "whoami",
 ]
 

Cargo.toml

@@ -12,6 +12,7 @@ authors = ["AB <gh@hexor.ru>"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+tokio = { version = "1", features = ["full"] }
 dns-lookup = "2.0.2"
 log = "0.4.0"
 env_logger = "0.10.0"

src/main.rs

@@ -124,8 +124,8 @@ fn expand_string(s: &str) -> Vec<Host> {
     hosts
 }
 
-
+#[tokio::main]
-fn main() {
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
     env_logger::Builder::from_env(Env::default().default_filter_or("info"))
         .format_timestamp(None)
         .format_target(false)
@@ -242,4 +242,5 @@ fn main() {
     } else {
         warn!("Stopped");
     }
+    Ok(())
 }