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#!/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.
# make sure that the client doesn't hang when process ended abruptly
require_relative './end2end_common'
def main
STDERR.puts 'start server'
server_runner = ServerRunner.new(EchoServerImpl)
server_port = server_runner.run
STDERR.puts 'start client'
_, client_pid = start_client('channel_state_client.rb', server_port)
# sleep to allow time for the client to get into
# the middle of a "watch connectivity state" call
sleep 3
Process.kill('SIGTERM', client_pid)
begin
Timeout.timeout(10) { Process.wait(client_pid) }
rescue Timeout::Error
STDERR.puts "timeout wait for client pid #{client_pid}"
Process.kill('SIGKILL', client_pid)
Process.wait(client_pid)
STDERR.puts 'killed client child'
raise 'Timed out waiting for client process. ' \
'It likely hangs when ended abruptly'
end
# The interrupt in the child process should cause it to
# exit a non-zero status, so don't check it here.
# This test mainly tries to catch deadlock.
server_runner.stop
end
main
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