check error code

ubuntu_base/opportunistic_node.py

@@ -15,9 +15,16 @@ map_firewall = {}
 
 
 def setup_firewall(inter_num):
-    subprocess.run(
-        [f'{DIR}/ubuntu_base/configure_bridge_firewall', f"public{inter_num}", f"private{inter_num}", f"ens{inter_num}", f"br{inter_num}", f"{inter_num}", DIR],
-        check=True)
+    try:
+        subprocess.run(
+            [f'{DIR}/ubuntu_base/configure_bridge_firewall', f"public{inter_num}", f"private{inter_num}", f"ens{inter_num}", f"br{inter_num}", f"{inter_num}", DIR],
+            check=True)
+    except subprocess.CalledProcessError as e:
+        # This will run if the command returns a non-zero exit code (i.e., an error)
+        print(f"Error: {e}")
+        print(f"Return code: {e.returncode}")  # The exit code
+        print(f"Command output: {e.output}")  # Any output (stdout/stderr)
+
 
 
 def process_packet(new_packet):