simplify diff / patch

ros · Feb 1, 2018 · e5112a7 · e5112a7
1 parent 9c2365d
commit e5112a7
Showing 1 changed file with 13 additions and 12 deletions.
diff --git a/tools/rosmaster/src/rosmaster/util.py b/tools/rosmaster/src/rosmaster/util.py
@@ -70,18 +70,19 @@ def xmlrpcapi(uri):
 
 
 def close_half_closed_sockets():
-    if hasattr(socket, 'TCP_INFO'):
-        for proxy in _proxies.values():
-            transport = proxy("transport")
-            if transport._connection and transport._connection[1] is not None and transport._connection[1].sock is not None:
-                try:
-                    state = transport._connection[1].sock.getsockopt(socket.SOL_TCP, socket.TCP_INFO)
-                except socket.error as e: # catch [Errno 92] Protocol not available
-                    if e.args[0] is errno.ENOPROTOOPT:
-                        return
-                    raise
-                if state == 8:  # CLOSE_WAIT
-                    transport.close()
+    if not hasattr(socket, 'TCP_INFO'):
+        return
+    for proxy in _proxies.values():
+        transport = proxy("transport")
+        if transport._connection and transport._connection[1] is not None and transport._connection[1].sock is not None:
+            try:
+                state = transport._connection[1].sock.getsockopt(socket.SOL_TCP, socket.TCP_INFO)
+            except socket.error as e: # catch [Errno 92] Protocol not available
+                if e.args[0] is errno.ENOPROTOOPT:
+                    return
+                raise
+            if state == 8:  # CLOSE_WAIT
+                transport.close()
 
 
 def remove_server_proxy(uri):