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Diffstat (limited to 'src/ruby/end2end/channel_closing_client.rb')
-rwxr-xr-x | src/ruby/end2end/channel_closing_client.rb | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/ruby/end2end/channel_closing_client.rb b/src/ruby/end2end/channel_closing_client.rb new file mode 100755 index 0000000000..8449797360 --- /dev/null +++ b/src/ruby/end2end/channel_closing_client.rb @@ -0,0 +1,84 @@ +#!/usr/bin/env ruby + +# Copyright 2015, Google Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above +# copyright notice, this list of conditions and the following disclaimer +# in the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Google Inc. nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +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 |