1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
# Copyright 2019 The gRPC Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Send multiple greeting messages to the backend."""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
import argparse
import logging
import grpc
helloworld_pb2, helloworld_pb2_grpc = grpc.protos_and_services(
"helloworld.proto")
def process(stub, request):
try:
response = stub.SayHello(request)
except grpc.RpcError as rpc_error:
print('Received error: %s' % rpc_error)
else:
print('Received message: %s' % response)
def run(addr, n):
with grpc.insecure_channel(addr) as channel:
stub = helloworld_pb2_grpc.GreeterStub(channel)
request = helloworld_pb2.HelloRequest(name='you')
for _ in range(n):
process(stub, request)
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--addr',
nargs=1,
type=str,
default='[::]:50051',
help='the address to request')
parser.add_argument('-n',
nargs=1,
type=int,
default=10,
help='an integer for number of messages to sent')
args = parser.parse_args()
run(addr=args.addr, n=args.n)
if __name__ == '__main__':
logging.basicConfig()
main()
|
