Add is_loop method to RequestHandler for improved control flow

iso8583_web/iso8583/__init__.py

@@ -227,6 +227,10 @@ class RequestHandler(BaseRequestHandler, CommonConnection):
         log.info('Connection from {}:{}'.format(ip, port))
         BaseRequestHandler.handle(self)
 
+    def is_loop(self):
+        sleep(0.1)
+        return self.running
+    
     def on_receive_raw(self, raw):
         self.log_receive_raw(raw)
         BaseRequestHandler.on_receive_raw(self, raw)