use human_units for Duration params

Cargo.lock

@@ -279,6 +279,7 @@ dependencies = [
  "futures-util",
  "glob",
  "hex",
+ "human-units",
  "log",
  "lz4",
  "nix",
@@ -586,6 +587,15 @@ version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6dbf3de79e51f3d586ab4cb9d5c3e2c14aa28ed23d180cf89b4df0454a69cc87"
 
+[[package]]
+name = "human-units"
+version = "0.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47cf34dbcbbb7f1f6589c18e26f15a5a72592750dd5472037eb78fc0f92020d4"
+dependencies = [
+ "paste",
+]
+
 [[package]]
 name = "hyper"
 version = "1.8.1"
@@ -1059,6 +1069,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
+
 [[package]]
 name = "percent-encoding"
 version = "2.3.2"

Cargo.toml

@@ -24,6 +24,7 @@ futures = "0.3.31"
 futures-util = "0.3.31"
 glob = "0.3.2"
 hex = "0.4.3"
+human-units = "0.5.3"
 log = "0.4.27"
 lz4 = "1.28.1"
 nix = { version = "0.30.1", features = ["user"] }

src/bin/dkl.rs

@@ -1,8 +1,8 @@
 use clap::{CommandFactory, Parser, Subcommand};
 use eyre::{format_err, Result};
+use human_units::Duration;
 use log::{debug, error};
 use std::net::SocketAddr;
-use std::time::Duration;
 use tokio::fs;
 
 #[derive(Parser)]
@@ -71,12 +71,12 @@ enum Command {
         #[arg(long, short = 'l')]
         listen: Vec<SocketAddr>,
         targets: Vec<SocketAddr>,
-        /// target polling interval, in seconds
-        #[arg(long, default_value = "30")]
-        poll: u16,
-        /// connect or check timeout, in seconds
-        #[arg(long, default_value = "5")]
-        timeout: u16,
+        /// target polling interval
+        #[arg(long, default_value = "30s")]
+        poll: Duration,
+        /// connect or check timeout
+        #[arg(long, default_value = "5s")]
+        timeout: Duration,
     },
 }
 
@@ -147,8 +147,8 @@ async fn main() -> Result<()> {
         } => Ok(dkl::proxy::Proxy {
             listen_addrs: listen,
             targets,
-            poll: Duration::from_secs(poll.into()),
-            timeout: Duration::from_secs(timeout.into()),
+            poll: poll.into(),
+            timeout: timeout.into(),
         }
         .run()
         .await