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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
#!/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.
# interop_server is a Testing app that runs a gRPC interop testing server.
#
# It helps validate interoperation b/w gRPC in different environments
#
# Helps validate interoperation b/w different gRPC implementations.
#
# Usage: $ path/to/interop_server.rb --port
this_dir = File.expand_path(File.dirname(__FILE__))
lib_dir = File.join(File.dirname(File.dirname(this_dir)), 'lib')
pb_dir = File.dirname(File.dirname(this_dir))
$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
$LOAD_PATH.unshift(pb_dir) unless $LOAD_PATH.include?(pb_dir)
$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
require 'forwardable'
require 'optparse'
require 'grpc'
require 'test/proto/empty'
require 'test/proto/messages'
require 'test/proto/test_services'
# loads the certificates by the test server.
def load_test_certs
this_dir = File.expand_path(File.dirname(__FILE__))
data_dir = File.join(File.dirname(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
# creates a ServerCredentials from the test certificates.
def test_server_creds
certs = load_test_certs
GRPC::Core::ServerCredentials.new(
nil, [{private_key: certs[1], cert_chain: certs[2]}], false)
end
# produces a string of null chars (\0) of length l.
def nulls(l)
fail 'requires #{l} to be +ve' if l < 0
[].pack('x' * l).force_encoding('utf-8')
end
# A EnumeratorQueue wraps a Queue yielding the items added to it via each_item.
class EnumeratorQueue
extend Forwardable
def_delegators :@q, :push
def initialize(sentinel)
@q = Queue.new
@sentinel = sentinel
end
def each_item
return enum_for(:each_item) unless block_given?
loop do
r = @q.pop
break if r.equal?(@sentinel)
fail r if r.is_a? Exception
yield r
end
end
end
# A runnable implementation of the schema-specified testing service, with each
# service method implemented as required by the interop testing spec.
class TestTarget < Grpc::Testing::TestService::Service
include Grpc::Testing
include Grpc::Testing::PayloadType
def empty_call(_empty, _call)
Empty.new
end
def unary_call(simple_req, _call)
req_size = simple_req.response_size
SimpleResponse.new(payload: Payload.new(type: :COMPRESSABLE,
body: nulls(req_size)))
end
def streaming_input_call(call)
sizes = call.each_remote_read.map { |x| x.payload.body.length }
sum = sizes.inject { |s, x| s + x }
StreamingInputCallResponse.new(aggregated_payload_size: sum)
end
def streaming_output_call(req, _call)
cls = StreamingOutputCallResponse
req.response_parameters.map do |p|
cls.new(payload: Payload.new(type: req.response_type,
body: nulls(p.size)))
end
end
def full_duplex_call(reqs)
# reqs is a lazy Enumerator of the requests sent by the client.
q = EnumeratorQueue.new(self)
cls = StreamingOutputCallResponse
Thread.new do
begin
GRPC.logger.info('interop-server: started receiving')
reqs.each do |req|
resp_size = req.response_parameters[0].size
GRPC.logger.info("read a req, response size is #{resp_size}")
resp = cls.new(payload: Payload.new(type: req.response_type,
body: nulls(resp_size)))
q.push(resp)
end
GRPC.logger.info('interop-server: finished receiving')
q.push(self)
rescue StandardError => e
GRPC.logger.info('interop-server: failed')
GRPC.logger.warn(e)
q.push(e) # share the exception with the enumerator
end
end
q.each_item
end
def half_duplex_call(reqs)
# TODO: update with unique behaviour of the half_duplex_call if that's
# ever required by any of the tests.
full_duplex_call(reqs)
end
end
# validates the the command line options, returning them as a Hash.
def parse_options
options = {
'port' => nil,
'secure' => false
}
OptionParser.new do |opts|
opts.banner = 'Usage: --port port'
opts.on('--port PORT', 'server port') do |v|
options['port'] = v
end
opts.on('-s', '--use_tls', 'require a secure connection?') do |v|
options['secure'] = v
end
end.parse!
if options['port'].nil?
fail(OptionParser::MissingArgument, 'please specify --port')
end
options
end
def main
opts = parse_options
host = "0.0.0.0:#{opts['port']}"
s = GRPC::RpcServer.new
if opts['secure']
s.add_http2_port(host, test_server_creds)
GRPC.logger.info("... running securely on #{host}")
else
s.add_http2_port(host, :this_port_is_insecure)
GRPC.logger.info("... running insecurely on #{host}")
end
s.handle(TestTarget)
s.run_till_terminated
end
main
|
