added option to run it in background.

Signed-off-by: Karan Gauswami <[email protected]>

Cargo.lock

@@ -231,6 +231,15 @@ version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06ea2b9bc92be3c2baa9334a323ebca2d6f074ff852cd1d7b11064035cd3868f"
 
+[[package]]
+name = "daemonize"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab8bfdaacb3c887a54d41bdf48d3af8873b3f5566469f8ba21b92057509f116e"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "derive-try-from-primitive"
 version = "1.0.0"
@@ -1257,6 +1266,7 @@ dependencies = [
  "bytes",
  "clap",
  "color-eyre",
+ "daemonize",
  "http-body-util",
  "hyper",
  "hyper-util",

Cargo.toml

@@ -22,6 +22,7 @@ tracing = "0.1.37"
 tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }
 hyper-util = { version="0.1.5",features = ["tokio"] }
 base64 = "0.22.1"
+daemonize = "0.5.0"
 
 [dev-dependencies]
 socksprox = { version = "0.1" }

src/main.rs

@@ -10,6 +10,7 @@ use std::net::{IpAddr, SocketAddr, ToSocketAddrs};
 
 use base64::engine::general_purpose;
 use base64::Engine;
+use daemonize::Daemonize;
 use hyper::header::HeaderValue;
 use tokio::net::TcpListener;
 
@@ -55,6 +56,10 @@ struct Cli {
     /// HTTP Basic Auth credentials in the format "user:passwd"
     #[arg(long)]
     http_basic: Option<String>,
+
+    /// Run process in background
+    #[arg(short, long, default_value_t = false)]
+    detached: bool,
 }
 
 #[tokio::main]
@@ -82,6 +87,14 @@ async fn main() -> Result<()> {
     let http_basic = &*Box::leak(Box::new(http_basic));
 
     let listener = TcpListener::bind(addr).await?;
+
+    let daemonize = Daemonize::new();
+    if args.detached {
+        if let Err(e) = daemonize.start() {
+            eprintln!("Error: {}", e);
+        }
+    }
+
     info!("Listening on http://{}", addr);
 
     loop {