From 3ba61a10bd32c2514a9c7fb0162fc6133c97a709 Mon Sep 17 00:00:00 2001
From: Ryan Melton <ryan@openc3.com>
Date: Sat, 22 Feb 2025 10:50:14 -0700
Subject: [PATCH] Add exception catch on python hostname lookup

---
 openc3/python/openc3/interfaces/tcpip_server_interface.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/openc3/python/openc3/interfaces/tcpip_server_interface.py b/openc3/python/openc3/interfaces/tcpip_server_interface.py
index 666205429..d0474495d 100644
--- a/openc3/python/openc3/interfaces/tcpip_server_interface.py
+++ b/openc3/python/openc3/interfaces/tcpip_server_interface.py
@@ -374,7 +374,11 @@ def _listen_thread_body(self, listen_socket, listen_write, listen_read, thread_r
             if self.cancel_threads:
                 break
             host_ip, port = address
-            hostname, _, _ = socket.gethostbyaddr(host_ip)
+            try:
+                hostname, _, _ = socket.gethostbyaddr(host_ip)
+            except Exception:
+                hostname = "UNKNOWN"
+
             # Configure TCP_NODELAY option
             client_socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)