Update connection state on end

homer/connection.py

@@ -224,6 +224,7 @@ class ConnectionDOT(Connection):
     def end(self):
         self.session.shutdown()
         self.session.close()
+        self.state = 'CLOSED'
 
     def send_data(self, data, dump=False):
         if dump:
@@ -411,6 +412,7 @@ class ConnectionDOH(Connection):
         else:
             self.remove_handles()
             self.multi.close()
+        self.state = 'CLOSED'
 
     def remove_handles(self):
         n, handle_success, handle_fail = self.multi.info_read()