timeout for socket failure during sock operations

Author: Your Name

micropython/umqtt.simple/umqtt/simple.py

@@ -60,16 +60,10 @@ def set_last_will(self, topic, msg, retain=False, qos=0):
         self.lw_qos = qos
         self.lw_retain = retain
 
-    def settimeout(self, value):
-        '''Blocking socket can cause non determinstic hang incase of n/w failure.
-        Hence, by setting timeout, application programmer can get exception in case of failure.
-        This enable him/her to take appropriate action like restarting the task etc.
-        This works for async apps too.
-        '''
-        self._sock.settimeout(value)
-
-    def connect(self, clean_session=True):
+    def connect(self, clean_session=True, timeout=None):
         self._sock = self.sock = socket.socket()
+        if timeout:
+            self.sock.settimeout(timeout)
         addr = socket.getaddrinfo(self.server, self.port)[0][-1]
         self.sock.connect(addr)
         if self.ssl: