version_info & about_info

src/args.rs

@@ -8,8 +8,19 @@ use std::ffi::OsString;
 use std::net::{IpAddr, SocketAddr, ToSocketAddrs};
 use std::str::FromStr;
 
+#[macro_export]
+macro_rules! version_info {
+    () => {
+        concat!(env!("CARGO_PKG_VERSION"), " (", env!("GIT_HASH"), " ", env!("BUILD_TIME"), ")")
+    };
+}
+
+fn about_info() -> &'static str {
+    concat!("Tunnel interface to proxy.\nVersion: ", version_info!())
+}
+
 #[derive(Debug, Clone, clap::Parser)]
-#[command(author, version = version_info(), about = "Tunnel interface to proxy.", long_about = None)]
+#[command(author, version = version_info!(), about = about_info(), long_about = None)]
 pub struct Args {
     /// Proxy URL in the form proto://[username[:password]@]host:port,
     /// where proto is one of socks4, socks5, http.
@@ -127,10 +138,6 @@ pub struct Args {
     pub udpgw_keepalive: Option<u64>,
 }
 
-fn version_info() -> &'static str {
-    concat!(env!("CARGO_PKG_VERSION"), " (", env!("GIT_HASH"), " ", env!("BUILD_TIME"), ")")
-}
-
 fn validate_tun(p: &str) -> Result<String> {
     #[cfg(target_os = "macos")]
     if p.len() <= 4 || &p[..4] != "utun" {

src/bin/udpgw_server.rs

@@ -28,8 +28,12 @@ impl Client {
     }
 }
 
+fn about_info() -> &'static str {
+    concat!("UDP Gateway Server for tun2proxy\nVersion: ", tun2proxy::version_info!())
+}
+
 #[derive(Debug, Clone, clap::Parser)]
-#[command(author, version, about = "UDP Gateway Server for tun2proxy", long_about = None)]
+#[command(author, version = tun2proxy::version_info!(), about = about_info(), long_about = None)]
 pub struct UdpGwArgs {
     /// UDP gateway listen address
     #[arg(short, long, value_name = "IP:PORT", default_value = "127.0.0.1:7300")]
@@ -193,7 +197,7 @@ async fn write_to_client(addr: SocketAddr, mut writer: WriteHalf<'_>, mut rx: Re
 }
 
 async fn main_async(args: UdpGwArgs) -> Result<(), BoxError> {
-    log::info!("{} {} starting...", module_path!(), env!("CARGO_PKG_VERSION"));
+    log::info!("{} {} starting...", module_path!(), tun2proxy::version_info!());
     log::info!("UDP Gateway Server running at {}", args.listen_addr);
 
     let shutdown_token = tokio_util::sync::CancellationToken::new();

src/lib.rs

@@ -157,7 +157,7 @@ pub async fn run<D>(device: D, mtu: u16, args: Args, shutdown_token: Cancellatio
 where
     D: AsyncRead + AsyncWrite + Unpin + Send + 'static,
 {
-    log::info!("{} {} starting...", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
+    log::info!("{} {} starting...", env!("CARGO_PKG_NAME"), version_info!());
     log::info!("Proxy {} server: {}", args.proxy.proxy_type, args.proxy.addr);
 
     let server_addr = args.proxy.addr;