# -*- coding:utf-8 -*-

__author__ = "MuT6 Sch01aR"

import pika

import os

connection = pika.BlockingConnection(pika.ConnectionParameters(host='127.0.0.1'))

channel = connection.channel()

channel.queue_declare(queue='rpc_q')

def cmd(n):

    cmd_result = os.popen(n)

    cmd_result = cmd_result.read()

    return cmd_result

def on_request(ch, method, props, body):

    body = body.decode()

    print('执行命令：', body)

    response = cmd(body)

    print(response)

    ch.basic_publish(exchange='',

                     routing_key=props.reply_to,  # 把消息发送到用来返回消息的queue

                     properties=pika.BasicProperties(correlation_id=props.correlation_id),

                     body=str(response),

                     )

    ch.basic_ack(delivery_tag=method.delivery_tag)

channel.basic_qos(prefetch_count=1)

channel.basic_consume(on_request, queue='rpc_q')

print('等待请求')

channel.start_consuming()

# -*- coding:utf-8 -*-

__author__ = "MuT6 Sch01aR"

import pika

import uuid

import time

class RpcClient(object):

    def __init__(self):

        self.connection = pika.BlockingConnection(pika.ConnectionParameters(host='127.0.0.1'))

        self.channel = self.connection.channel()

        result = self.channel.queue_declare(exclusive=True)

        self.callback_queue = result.method.queue  # 生成随机的queue

        self.channel.basic_consume(self.on_response,  # 一收到消息就调用op_response方法

                                   no_ack=True,

                                   queue=self.callback_queue,

                                   )

    def on_response(self, ch, method, props, body):

        if self.corr_id == props.correlation_id:  # 判断服务端发送的uuid和客户端发送的uuid是否匹配

            self.response = body

    def call(self, n):

        self.response = None

        self.corr_id = str(uuid.uuid4())

        self.channel.basic_publish(exchange='',

                                   routing_key='rpc_q',

                                   properties=pika.BasicProperties(

                                       reply_to=self.callback_queue,  # 把返回的消息发送到用来返回结果的queue

                                       correlation_id=self.corr_id,

                                   ),

                                   body=n,

                                   )

        while self.response is None:

            self.connection.process_data_events()  # 相当于非阻塞的start_consuming()

            print('当前没有消息')

            time.sleep(3)

        return self.response

while True:

    cmd = input('>>>:').strip()

    print('执行命令：', cmd)

    rpc = RpcClient()

    response = rpc.call(cmd)

    print(response.decode())