xref: /aosp_15_r20/external/grpc-grpc/src/ruby/end2end/channel_state_test.rb (revision cc02d7e222339f7a4f6ba5f422e6413f4bd931f2)
1#!/usr/bin/env ruby
2
3# Copyright 2016 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
17# make sure that the client doesn't freeze when process ended abruptly
18
19require_relative './end2end_common'
20
21def main
22  STDERR.puts 'start server'
23  server_runner = ServerRunner.new(EchoServerImpl)
24  server_port = server_runner.run
25  STDERR.puts 'start client'
26  client_controller = ClientController.new(
27    'channel_state_client.rb', server_port)
28  # sleep to allow time for the client to get into
29  # the middle of a "watch connectivity state" call
30  sleep 3
31  Process.kill('SIGTERM', client_controller.client_pid)
32
33  begin
34    Timeout.timeout(120) { Process.wait(client_controller.client_pid) }
35  rescue Timeout::Error
36    STDERR.puts "timeout wait for client pid #{client_controller.client_pid}"
37    Process.kill('SIGKILL', client_controller.client_pid)
38    Process.wait(client_controller.client_pid)
39    STDERR.puts 'killed client child'
40    raise 'Timed out waiting for client process. ' \
41           'It likely freezes when ended abruptly'
42  end
43
44  # The interrupt in the child process should cause it to
45  # exit a non-zero status, so don't check it here.
46  # This test mainly tries to catch deadlock.
47  server_runner.stop
48end
49
50main
51