基于tornado的web linux远程登录
发布时间:2020-12-17 17:09:14 所属栏目:Python 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 import selectimport socketimport errnofrom threading import Threadfrom tornado.websocket import WebSocketClosedErrorclass IOLoop(Thread): de
以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家,仅供参考 import select import socket import errno from threading import Thread from tornado.websocket import WebSocketClosedError class IOLoop(Thread): def __init__(self): super(IOLoop,self).__init__() self.daemon = True self.select = select.epoll() self.connections = {} self.websockets = {} @staticmethod def instance(): if not hasattr(IOLoop,"_instance"): IOLoop._instance = IOLoop() return IOLoop._instance def register(self,fileno,connection,websocket): self.select.register(fileno,select.EPOLLIN | select.EPOLLET) self.connections[fileno] = connection self.websockets[fileno] = websocket def run(self): while True: epoll_list = self.select.poll() for fd,events in epoll_list: if select.EPOLLIN & events: while True: try: data = self.connections[fd].recv(1024) except socket.error,e: if e.errno == errno.EAGAIN: self.select.modify(fd,select.EPOLLET) elif isinstance(e,socket.timeout): break else: self.close(fd) try: self.websockets[fd].write_message(data) except WebSocketClosedError: break elif select.EPOLLHUP & events: self.close(fd) else: continue def close(self,fd): self.select.unregister(fd) self.connections[fd].close() self.websockets[fd].close() del self.connections[fd] del self.websockets[fd] 以上内容由PHP站长网【52php.cn】收集整理供大家参考研究 如果以上内容对您有帮助,欢迎收藏、点赞、推荐、分享。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |