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 17require_relative './end2end_common' 18 19# Start polling the channel state in both the main thread 20# and a child thread. Try to get the driver to send process-ending 21# interrupt while both a child thread and the main thread are in the 22# middle of a blocking connectivity_state call. 23def main 24 STDERR.puts 'sig_int_during_channel_watch_client.rb main' 25 server_port = '' 26 OptionParser.new do |opts| 27 opts.on('--client_control_port=P', String) do 28 STDERR.puts 'client_control_port not used' 29 end 30 opts.on('--server_port=P', String) do |p| 31 server_port = p 32 end 33 end.parse! 34 35 trap('SIGINT') { exit 0 } 36 STDERR.puts 'sig_int_during_channel_watch_client.rb: SIGINT trap has been set' 37 38 thd = Thread.new do 39 child_thread_channel = GRPC::Core::Channel.new("localhost:#{server_port}", 40 {}, 41 :this_channel_is_insecure) 42 loop do 43 state = child_thread_channel.connectivity_state(false) 44 child_thread_channel.watch_connectivity_state(state, Time.now + 360) 45 end 46 end 47 48 main_channel = GRPC::Core::Channel.new("localhost:#{server_port}", 49 {}, 50 :this_channel_is_insecure) 51 loop do 52 state = main_channel.connectivity_state(false) 53 main_channel.watch_connectivity_state(state, Time.now + 360) 54 end 55 56 thd.join 57end 58 59main 60