https://*.com/questions/5375220/how-do-i-stop-tornado-web-server?answertab=votes#tab-top
http://y.tsutsumi.io/keyerror-in-self_handlers-a-journey-deep-into-tornados-internals.html
# coding=utf-8
"""ServerRunner"""
from threading import Thread
from time import sleep
from tornado.ioloop import IOLoop
class ServerRunner(Thread):
"""优化：自动设置为deamon线程"""
def __init__(self, *servers):
super(ServerRunner, self).__init__(name="HTTPServer")
self.__servers = servers
self.__IOLoop = None
def run(self):
"""override"""
self.__start_servers()
self.__IOLoop = IOLoop.current()
self.__IOLoop.start()
def stop(self):
self.__stop_IO_loop()
self.__stop_servers()
def __start_servers(self):
for server in self.__servers:
server.start()
def __stop_IO_loop(self):
# 当ServerRunner#start()已调用，self.__IOLoop赋值语句还未执行时
if self.is_alive() and self.__IOLoop is None:
sleep(0.5) # 等待线程启动
if self.__IOLoop is not None:
self.__IOLoop.add_callback(self.__IOLoop.stop)
self.__IOLoop = None
def __stop_servers(self):
for server in self.__servers:
server.stop()