1#!/usr/bin/env ruby 2 3# Copyright 2015 gRPC authors. 4# 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 8# 9# http://www.apache.org/licenses/LICENSE-2.0 10# 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. 16 17# Prompted by and minimal repro of https://github.com/grpc/grpc/issues/10658 18 19require_relative './end2end_common' 20 21def main 22 server_port = '' 23 OptionParser.new do |opts| 24 opts.on('--client_control_port=P', String) do 25 STDERR.puts 'client control port not used' 26 end 27 opts.on('--server_port=P', String) do |p| 28 server_port = p 29 end 30 end.parse! 31 32 p = fork do 33 stub = Echo::EchoServer::Stub.new("localhost:#{server_port}", 34 :this_channel_is_insecure) 35 stub.echo(Echo::EchoRequest.new(request: 'hello')) 36 end 37 38 begin 39 Timeout.timeout(10) do 40 Process.wait(p) 41 end 42 rescue Timeout::Error 43 STDERR.puts "timeout waiting for forked process #{p}" 44 Process.kill('SIGKILL', p) 45 Process.wait(p) 46 raise 'Timed out waiting for client process. ' \ 47 'It likely hangs when using gRPC after loading it and then forking' 48 end 49 50 client_exit_code = $CHILD_STATUS 51 fail "forked process failed #{client_exit_code}" if client_exit_code != 0 52end 53 54main 55