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#!/usr/bin/env ruby
# Copyright 2015 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.
require_relative './end2end_common'
# Calls '#close' on a Channel when "shutdown" called. This tries to
# trigger a hang or crash bug by closing a channel actively being watched
class ChannelClosingClientController < ClientControl::ClientController::Service
def initialize(ch)
@ch = ch
end
def shutdown(_, _)
@ch.close
ClientControl::Void.new
end
end
def main
client_control_port = ''
server_port = ''
OptionParser.new do |opts|
opts.on('--client_control_port=P', String) do |p|
client_control_port = p
end
opts.on('--server_port=P', String) do |p|
server_port = p
end
end.parse!
ch = GRPC::Core::Channel.new("localhost:#{server_port}", {},
:this_channel_is_insecure)
srv = GRPC::RpcServer.new
thd = Thread.new do
srv.add_http2_port("0.0.0.0:#{client_control_port}", :this_port_is_insecure)
srv.handle(ChannelClosingClientController.new(ch))
srv.run
end
# this should break out with an exception once the channel is closed
loop do
begin
state = ch.connectivity_state(true)
ch.watch_connectivity_state(state, Time.now + 360)
rescue RuntimeError => e
STDERR.puts "(expected) error occurred: #{e.inspect}"
break
end
end
srv.stop
thd.join
end
main
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