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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 channel is closed
# explictly while it's used
require_relative './end2end_common'
def main
STDERR.puts 'start server'
server_runner = ServerRunner.new(EchoServerImpl)
server_port = server_runner.run
sleep 1
STDERR.puts 'start client'
control_stub, client_pid = start_client('channel_closing_client.rb',
server_port)
sleep 3
begin
Timeout.timeout(10) do
control_stub.shutdown(ClientControl::Void.new)
Process.wait(client_pid)
end
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 a ' \
'channel is closed while connectivity is watched'
end
client_exit_code = $CHILD_STATUS
if client_exit_code != 0
fail "channel closing client failed, exit code #{client_exit_code}"
end
server_runner.stop
end
main
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