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 parent_controller_port = '' 26 server_port = '' 27 OptionParser.new do |opts| 28 opts.on('--parent_controller_port=P', String) do |p| 29 parent_controller_port = p 30 end 31 opts.on('--server_port=P', String) do |p| 32 server_port = p 33 end 34 end.parse! 35 36 trap('SIGINT') { exit 0 } 37 STDERR.puts 'sig_int_during_channel_watch_client.rb: SIGINT trap has been set' 38 # notify the parent process that we're ready for signals 39 report_controller_port_to_parent(parent_controller_port, 0) 40 41 thd = Thread.new do 42 child_thread_channel = GRPC::Core::Channel.new("localhost:#{server_port}", 43 {}, 44 :this_channel_is_insecure) 45 loop do 46 state = child_thread_channel.connectivity_state(false) 47 child_thread_channel.watch_connectivity_state(state, Time.now + 360) 48 end 49 end 50 51 main_channel = GRPC::Core::Channel.new("localhost:#{server_port}", 52 {}, 53 :this_channel_is_insecure) 54 loop do 55 state = main_channel.connectivity_state(false) 56 main_channel.watch_connectivity_state(state, Time.now + 360) 57 end 58 59 thd.join 60end 61 62main 63