udp.py 文件源码

def _bind_socket(self, time_to_return):
        addr = ('0.0.0.0', self.addr[1])
        while time.time() < time_to_return:
            log.debug("trying to bind socket to %s:%d", *addr)
            try:
                self.socket.bind(addr)
                return True
            except socket.error as error:
                log.debug("bind failed with %s", error)
                if error.errno == errno.EADDRINUSE:
                    return False
                else:
                    raise error