// 定义一个服务的框架，服务名和服务下的函数名，以及函数下的request 和response，
// 和resquest 和response 对应的参数

//使用哪种protobuf 协议
syntax="proto3";
package test;

//服务名：Mianmian，以及里面定义的rpc函数HelloMian
service Mianmian{
    rpc HelloMian(HelloMianReq) returns(HelloMianReply)
    {}   //添加一些插件
}

message HelloMianReq{
    string  name = 1;
    int32 age =2;
}

message HelloMianReply{
    string result =1;
}

python -m  grpc_tools.protoc -I. --python_out=. --grpc_python_out=. hello_world.proto

#!/usr/bin/env python
# -*- coding:utf-8 -*-
#@Time  : 2021/6/5 13:37
#@Author: Tana
#@File  : service.py

import grpc
import hello_world_pb2 as pb2
import hello_world_pb2_grpc as pb2_grpc
from concurrent import futures
import time
class Mianmian(pb2_grpc.MianmianServicer):
    def HelloMian(self, request, context):
        name=request.name
        age=request.age

        result={"code":"succeed",
            "data":f‘my name is {name},i am {age} years old‘
        }
        return pb2.HelloMianReply(result=result)

def run():
    #定义grpc线程数量
    grpc_server=grpc.server(futures.ThreadPoolExecutor(max_workers=4))
    #注册服务到grpc_server
    pb2_grpc.add_MianmianServicer_to_server(Mianmian(),grpc_server)
    #绑定ip和端口号
    grpc_server.add_insecure_port(‘0.0.0.0:5001‘)
    print("server will start at 0.0.0.0:5001")
    #这个start 在python里面会启动一下就停了，所以需要写一个无限循环
    grpc_server.start()
    try:
        while 1:
            print("1")
            time.sleep(3600)

    except KeyboardInterrupt:
        grpc_server.stop(0)

if __name__=="__main__":
    run()

#!/usr/bin/env python
# -*- coding:utf-8 -*-
#@Time  : 2021/6/6 15:26
#@Author: Tana
#@File  : client.py
import grpc
import hello_world_pb2_grpc as pb2_grpc
import hello_world_pb2 as pb2

def run():
    #定义一个频道,绑定服务器端对应的ip 和端口号
    conn = grpc.insecure_channel(‘0.0.0.0:5000‘)
    #生成客户端
    client = pb2_grpc.MianmianStub(channel=conn)
    response = client.HelloMian(pb2.HelloMianReq(
        name="mianmian",
        age=18
    ))
    print(response.result)
if  __name__==‘__main__‘:
    run()