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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
#!/usr/bin/env ruby
# Copyright 2015, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Sample app that accesses a Calc service running on a Ruby gRPC server and
# helps validate RpcServer as a gRPC server using proto2 serialization.
#
# Usage: $ path/to/math_client.rb
this_dir = File.expand_path(File.dirname(__FILE__))
lib_dir = File.join(File.dirname(this_dir), 'lib')
$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
require 'grpc'
require 'math_services'
require 'optparse'
include GRPC::Core::TimeConsts
def do_div(stub)
GRPC.logger.info('request_response')
GRPC.logger.info('----------------')
req = Math::DivArgs.new(dividend: 7, divisor: 3)
GRPC.logger.info("div(7/3): req=#{req.inspect}")
resp = stub.div(req, timeout: INFINITE_FUTURE)
GRPC.logger.info("Answer: #{resp.inspect}")
GRPC.logger.info('----------------')
end
def do_sum(stub)
# to make client streaming requests, pass an enumerable of the inputs
GRPC.logger.info('client_streamer')
GRPC.logger.info('---------------')
reqs = [1, 2, 3, 4, 5].map { |x| Math::Num.new(num: x) }
GRPC.logger.info("sum(1, 2, 3, 4, 5): reqs=#{reqs.inspect}")
resp = stub.sum(reqs) # reqs.is_a?(Enumerable)
GRPC.logger.info("Answer: #{resp.inspect}")
GRPC.logger.info('---------------')
end
def do_fib(stub)
GRPC.logger.info('server_streamer')
GRPC.logger.info('----------------')
req = Math::FibArgs.new(limit: 11)
GRPC.logger.info("fib(11): req=#{req.inspect}")
resp = stub.fib(req, timeout: INFINITE_FUTURE)
resp.each do |r|
GRPC.logger.info("Answer: #{r.inspect}")
end
GRPC.logger.info('----------------')
end
def do_div_many(stub)
GRPC.logger.info('bidi_streamer')
GRPC.logger.info('-------------')
reqs = []
reqs << Math::DivArgs.new(dividend: 7, divisor: 3)
reqs << Math::DivArgs.new(dividend: 5, divisor: 2)
reqs << Math::DivArgs.new(dividend: 7, divisor: 2)
GRPC.logger.info("div(7/3), div(5/2), div(7/2): reqs=#{reqs.inspect}")
resp = stub.div_many(reqs, timeout: INFINITE_FUTURE)
resp.each do |r|
GRPC.logger.info("Answer: #{r.inspect}")
end
GRPC.logger.info('----------------')
end
def load_test_certs
this_dir = File.expand_path(File.dirname(__FILE__))
data_dir = File.join(File.dirname(this_dir), 'spec/testdata')
files = ['ca.pem', 'server1.key', 'server1.pem']
files.map { |f| File.open(File.join(data_dir, f)).read }
end
def test_creds
certs = load_test_certs
GRPC::Core::Credentials.new(certs[0])
end
def main
options = {
'host' => 'localhost:7071',
'secure' => false
}
OptionParser.new do |opts|
opts.banner = 'Usage: [--host <hostname>:<port>] [--secure|-s]'
opts.on('--host HOST', '<hostname>:<port>') do |v|
options['host'] = v
end
opts.on('-s', '--secure', 'access using test creds') do |v|
options['secure'] = v
end
end.parse!
# The Math::Math:: module occurs because the service has the same name as its
# package. That practice should be avoided by defining real services.
p options
if options['secure']
stub_opts = {
:creds => test_creds,
GRPC::Core::Channel::SSL_TARGET => 'foo.test.google.fr'
}
p stub_opts
p options['host']
stub = Math::Math::Stub.new(options['host'], **stub_opts)
GRPC.logger.info("... connecting securely on #{options['host']}")
else
stub = Math::Math::Stub.new(options['host'])
GRPC.logger.info("... connecting insecurely on #{options['host']}")
end
do_div(stub)
do_sum(stub)
do_fib(stub)
do_div_many(stub)
end
main
|
