➕ add Tokio dep

Release build only went from 1.9 to 2.0 MB, but that could cause I'm not really using Tokio yet

Cargo.lock

@@ -43,6 +43,15 @@ version = "0.2.109"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f98a04dce437184842841303488f70d0188c5f51437d2a834dc097eafa909a01"
 
+[[package]]
+name = "log"
+version = "0.4.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "lookaround"
 version = "0.1.4"
@@ -50,6 +59,7 @@ dependencies = [
  "mac_address",
  "rand",
  "thiserror",
+ "tokio",
 ]
 
 [[package]]
@@ -71,6 +81,28 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "mio"
+version = "0.7.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8067b404fe97c70829f082dec8bcf4f71225d7eaea1d8645349cb76fa06205cc"
+dependencies = [
+ "libc",
+ "log",
+ "miow",
+ "ntapi",
+ "winapi",
+]
+
+[[package]]
+name = "miow"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "nix"
 version = "0.22.2"
@@ -84,6 +116,21 @@ dependencies = [
  "memoffset",
 ]
 
+[[package]]
+name = "ntapi"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f6bb902e437b6d86e03cce10a7e2af662292c5dfef23b65899ea3ac9354ad44"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "pin-project-lite"
+version = "0.2.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d31d11c69a6b52a174b42bdc0c30e5e11670f90788b2c471c31c1d17d449443"
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.15"
@@ -179,6 +226,19 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tokio"
+version = "1.14.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70e992e41e0d2fb9f755b37446f20900f64446ef54874f40a60c78f021ac6144"
+dependencies = [
+ "autocfg",
+ "libc",
+ "mio",
+ "pin-project-lite",
+ "winapi",
+]
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.2"

Cargo.toml

@@ -15,6 +15,7 @@ version = "0.1.4"
 mac_address = "1.1.2"
 rand = "0.8.4"
 thiserror = "1.0.30"
+tokio = { version = "1.14.0", features = ["fs", "net", "rt", "time"] }
 
 [profile.release]
 codegen-units = 1

src/main.rs

@@ -76,6 +76,14 @@ impl Default for CommonParams {
 }
 
 fn main () -> Result <(), AppError> {
+	let rt = tokio::runtime::Builder::new_current_thread ().build ()?;
+	
+	rt.block_on (async_main ())?;
+	
+	Ok (())
+}
+
+async fn async_main () -> Result <(), AppError> {
 	let mut args = env::args ();
 	
 	let _exe_name = args.next ();