Added port argument

Cargo.toml

@@ -4,4 +4,5 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+clap = { version = "4.5.31", features = ["derive"] }
 time = { version = "0.3.37", features = ["formatting", "local-offset"] }

src/main.rs

@@ -6,6 +6,15 @@ use std::net::{TcpListener, TcpStream};
 use std::random;
 use std::sync::{Arc, Mutex};
 use std::thread::{self, JoinHandle, sleep};
+use clap::Parser;
+
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+struct Args {
+    /// Port to bind on.
+    #[arg(short, long, default_value_t = 7867)]
+    port: u16,
+}
 
 #[derive(Clone, PartialEq, Eq)]
 enum UserStatus {
@@ -411,7 +420,9 @@ fn handle_client(mut stream: TcpStream, channel: Channel) {
 }
 
 fn main() -> std::io::Result<()> {
-    let listener = TcpListener::bind("0.0.0.0:7867")?;
+    let args = Args::parse();
+
+    let listener = TcpListener::bind(format!("0.0.0.0:{}", args.port))?;
     let channel: Channel = Arc::new(Mutex::new(UnwrappedChannel {
         name: "Rawnetchat".to_string(),
         messages: vec![],