vjpai | 75291c9 | 2016-03-21 07:59:26 -0700 | [diff] [blame] | 1 | #!/usr/bin/env ruby |
| 2 | |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 3 | # Copyright 2016 gRPC authors. |
vjpai | 75291c9 | 2016-03-21 07:59:26 -0700 | [diff] [blame] | 4 | # |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 5 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | # you may not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
vjpai | 75291c9 | 2016-03-21 07:59:26 -0700 | [diff] [blame] | 8 | # |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 9 | # http://www.apache.org/licenses/LICENSE-2.0 |
vjpai | 75291c9 | 2016-03-21 07:59:26 -0700 | [diff] [blame] | 10 | # |
Jan Tattermusch | 7897ae9 | 2017-06-07 22:57:36 +0200 | [diff] [blame] | 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
vjpai | 75291c9 | 2016-03-21 07:59:26 -0700 | [diff] [blame] | 16 | |
| 17 | # Worker and worker service implementation |
| 18 | |
| 19 | this_dir = File.expand_path(File.dirname(__FILE__)) |
| 20 | lib_dir = File.join(File.dirname(this_dir), 'lib') |
| 21 | $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir) |
| 22 | $LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir) |
| 23 | |
| 24 | require 'grpc' |
| 25 | |
| 26 | # produces a string of null chars (\0 aka pack 'x') of length l. |
| 27 | def nulls(l) |
| 28 | fail 'requires #{l} to be +ve' if l < 0 |
| 29 | [].pack('x' * l).force_encoding('ascii-8bit') |
| 30 | end |
| 31 | |
vjpai | ad1c1cc | 2016-03-30 09:58:46 -0700 | [diff] [blame] | 32 | # load the test-only certificates |
| 33 | def load_test_certs |
| 34 | this_dir = File.expand_path(File.dirname(__FILE__)) |
| 35 | data_dir = File.join(File.dirname(this_dir), 'spec/testdata') |
| 36 | files = ['ca.pem', 'server1.key', 'server1.pem'] |
| 37 | files.map { |f| File.open(File.join(data_dir, f)).read } |
| 38 | end |
| 39 | |
Alexander Polcyn | 689e89c | 2016-09-19 18:36:33 -0700 | [diff] [blame] | 40 | |
vjpai | 75291c9 | 2016-03-21 07:59:26 -0700 | [diff] [blame] | 41 | # A EnumeratorQueue wraps a Queue yielding the items added to it via each_item. |
| 42 | class EnumeratorQueue |
| 43 | extend Forwardable |
| 44 | def_delegators :@q, :push |
| 45 | |
| 46 | def initialize(sentinel) |
| 47 | @q = Queue.new |
| 48 | @sentinel = sentinel |
| 49 | end |
| 50 | |
| 51 | def each_item |
| 52 | return enum_for(:each_item) unless block_given? |
| 53 | loop do |
| 54 | r = @q.pop |
| 55 | break if r.equal?(@sentinel) |
| 56 | fail r if r.is_a? Exception |
| 57 | yield r |
| 58 | end |
| 59 | end |
| 60 | end |
| 61 | |
Alexander Polcyn | 689e89c | 2016-09-19 18:36:33 -0700 | [diff] [blame] | 62 | # A PingPongEnumerator reads requests and responds one-by-one when enumerated |
| 63 | # via #each_item |
| 64 | class PingPongEnumerator |
| 65 | def initialize(reqs) |
| 66 | @reqs = reqs |
| 67 | end |
vjpai | 75291c9 | 2016-03-21 07:59:26 -0700 | [diff] [blame] | 68 | |
Alexander Polcyn | 689e89c | 2016-09-19 18:36:33 -0700 | [diff] [blame] | 69 | def each_item |
| 70 | return enum_for(:each_item) unless block_given? |
| 71 | sr = Grpc::Testing::SimpleResponse |
| 72 | pl = Grpc::Testing::Payload |
| 73 | @reqs.each do |req| |
| 74 | yield sr.new(payload: pl.new(body: nulls(req.response_size))) |
| 75 | end |
| 76 | end |
| 77 | end |