[feat] use clap to pass IP and port

crates/lanspread-server/Cargo.toml

@@ -19,6 +19,7 @@ lanspread-utils = { path = "../lanspread-utils" }
 
 # external
 bytes = { workspace = true }
+clap = { workspace = true }
 eyre = { workspace = true }
 itertools = { workspace = true }
 s2n-quic = { workspace = true }

crates/lanspread-server/src/main.rs

@@ -1,9 +1,10 @@
 use std::{
-    net::SocketAddr,
+    net::{IpAddr, SocketAddr},
     path::{Path, PathBuf},
     sync::Arc,
 };
 
+use clap::Parser;
 use lanspread_db::db::GameDB;
 use lanspread_proto::{Message as _, Request, Response};
 use lanspread_utils::maybe_addr;
@@ -17,9 +18,6 @@ mod testing;
 static KEY_PEM: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../key.pem"));
 static CERT_PEM: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../../cert.pem"));
 
-const SERVER_ADDR: &str = "0.0.0.0";
-const SERVER_PORT: u16 = 13337;
-
 pub(crate) struct Server {
     db_path: PathBuf,
 }
@@ -162,14 +160,22 @@ impl RequestHandler {
 
 const GAME_DB_PATH: &str = "/home/pfs/shm/game.db";
 
+#[derive(Debug, Parser)]
+struct Cli {
+    /// The IP address to bind to.
+    #[clap(long, default_value = "127.0.0.1")]
+    ip: IpAddr,
+    /// The listen port.
+    #[clap(long, default_value = "13337")]
+    port: u16,
+}
+
 #[tokio::main]
 async fn main() -> eyre::Result<()> {
+    let cli = Cli::parse();
+
     generate_test_db(GAME_DB_PATH);
 
     let mut server = Server::new(GAME_DB_PATH);
-
-    #[allow(clippy::unwrap_used)]
-    server
-        .run(format!("{SERVER_ADDR}:{SERVER_PORT}").parse().unwrap())
-        .await
+    server.run(SocketAddr::from((cli.ip, cli.port))).await
 }