From cd13fea79046c89ced13f8e3b1148dfbd014b6e8 Mon Sep 17 00:00:00 2001
From: Saikari <lin@sz.cn.eu.org>
Date: Wed, 25 Mar 2026 10:46:43 +0300
Subject: [PATCH] Improve error handling in tcp_check function

Handle potential errors when parsing socket address.
---
 src/network.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/network.rs b/src/network.rs
index b298103..165a95f 100644
--- a/src/network.rs
+++ b/src/network.rs
@@ -151,7 +151,10 @@ fn extract_ping_time(output: &str) -> Option<u64> {
 // ===== TCP / HTTPS checks (cross-platform) =====
 
 pub fn tcp_check(ip: &str, port: u16) -> (bool, Option<u64>) {
-    let addr: SocketAddr = format!("{}:{}", ip, port).parse().unwrap();
+    let addr: SocketAddr = match format!("{}:{}", ip, port).parse() {
+        Ok(a) => a,
+        Err(_) => return (false, None),
+    };
     let start = Instant::now();
     match TcpStream::connect_timeout(&addr, Duration::from_secs(5)) {
         Ok(_stream) => {