#!/usr/bin/env python3
# _*_ coding:utf-8 _*_
from multiprocessing.managers import BaseManager

__author__ = 'chengy'

import time, sys, queue


class QueueManager(BaseManager):
    pass


# 由于这个QueueManager只能从网络上获取queue，所以注册时只提供名字
QueueManager.register('get_task_queue')
QueueManager.register('get_result_queue')

# 连接到服务器，也就是运行task_master.py的机器
server_addr = '127.0.0.1'
print('Connect to server %s...' % server_addr)

# 端口与验证码保持与task_master.py设置的完全一致
m = QueueManager(address=(server_addr, 5000), authkey=b'abc')

m.connect()

task = m.get_task_queue()
result = m.get_result_queue()

# 从task队列取任务，并把结果写入result队列
for i in range(10):
    try:
        n = task.get(timeout=1)
        print('run task %d * %d...' % (n, n))
        r = '%d * %d = %d' % (n, n, n * n)
        time.sleep(1)
        result.put(r)
    except queue.Queue.Empty:
        print('task queue is emputy.')

print('work exit.')