| #!/usr/bin/env ruby |
| |
| # Copyright 2016 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. |
| |
| # Worker and worker service implementation |
| |
| 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' |
| |
| # produces a string of null chars (\0 aka pack 'x') of length l. |
| def nulls(l) |
| fail 'requires #{l} to be +ve' if l < 0 |
| [].pack('x' * l).force_encoding('ascii-8bit') |
| end |
| |
| # load the test-only certificates |
| 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 |
| |
| |
| # 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 PingPongEnumerator reads requests and responds one-by-one when enumerated |
| # via #each_item |
| class PingPongEnumerator |
| def initialize(reqs) |
| @reqs = reqs |
| end |
| |
| def each_item |
| return enum_for(:each_item) unless block_given? |
| sr = Grpc::Testing::SimpleResponse |
| pl = Grpc::Testing::Payload |
| @reqs.each do |req| |
| yield sr.new(payload: pl.new(body: nulls(req.response_size))) |
| end |
| end |
| end |