twisted.py 文件源码

def update_handler(self, fd, events):
        fd, fileobj = self.split_fd(fd)
        if events & tornado.ioloop.IOLoop.READ:
            if not self.fds[fd].reading:
                self.fds[fd].reading = True
                self.reactor.addReader(self.fds[fd])
        else:
            if self.fds[fd].reading:
                self.fds[fd].reading = False
                self.reactor.removeReader(self.fds[fd])
        if events & tornado.ioloop.IOLoop.WRITE:
            if not self.fds[fd].writing:
                self.fds[fd].writing = True
                self.reactor.addWriter(self.fds[fd])
        else:
            if self.fds[fd].writing:
                self.fds[fd].writing = False
                self.reactor.removeWriter(self.fds[fd])