def run():
channel = grpc.insecure_channel('localhost:50051')
stub = helloworld_pb2_grpc.GreeterStub(channel)
response = stub.SayHello(helloworld_pb2.HelloRequest(name='you'))
print("Greeter client received: " + response.message)
response = stub.SayHelloAgain(helloworld_pb2.HelloRequest(name='you'))
print("Greeter client received: " + response.message)
def send_hello(self, name):
is_error = False
error_msg = ''
try:
# s 是一个基于 dict 的实例
s = helloworld_pb2.HelloRequest(name=name)
# 调用 SayHello 向 Server 发送信息
# 这个函数是在 __init__ 时被定义的，定义时，添加了3个参数，分别定义了唯一标识、指定压缩格式（str to 二进制）、解压缩格式。
# 所以这里调用时，会被自动压缩成对应的参数，然后发送到 server 去。
# 如果只看转成二进制字符串这一步，相当于
# import grpc._common as common
# common.serialize(s, helloworld_pb2.HelloRequest.SerializeToString)
# 然后你也可以拿去，用自己的通信方式去发送数据
response = self.stub.SayHello(s)
except BaseException as e:
# 这个错误信息可能是服务器连接失败
is_error = True
error_msg = e
error_log(e.details())
return {'code': 0, 'msg': 'send error', 'data': e}
finally:
# 组织返回信息
if is_error:
return {'code': 0, 'msg': error_msg, 'data': {}}
else:
return {'code': 200, 'msg': 'success', 'data': response}
def run():
# 连接 rpc 服务器
channel = grpc.insecure_channel('localhost:50001')
# 调用 rpc 服务
stub = helloworld_pb2_grpc.GreeterStub(channel)
response = stub.SayHello(helloworld_pb2.HelloRequest(name='World'))
print("Greeter client received: " + response.message)
def get_say_hello_often(self, name):
message = helloworld_pb2.HelloRequest(name=name)
response = self.stub.SayHelloOften(message)
for r in response:
print(r)
def get_say_hello(self, name):
response = self.stub.SayHello(helloworld_pb2.HelloRequest(name=name))
print("Greeter client received: " + response.message)