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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.
# smoke test for a grpc-using app that receives and
# handles process-ending signals
require_relative './end2end_common'
# A service that calls back it's received_rpc_callback
# upon receiving an RPC. Used for synchronization/waiting
# for child process to start.
class ClientStartedService < Echo::EchoServer::Service
def initialize(received_rpc_callback)
@received_rpc_callback = received_rpc_callback
end
def echo(echo_req, _)
@received_rpc_callback.call unless @received_rpc_callback.nil?
@received_rpc_callback = nil
Echo::EchoReply.new(response: echo_req.request)
end
end
def main
STDERR.puts 'start server'
client_started = false
client_started_mu = Mutex.new
client_started_cv = ConditionVariable.new
received_rpc_callback = proc do
client_started_mu.synchronize do
client_started = true
client_started_cv.signal
end
end
client_started_service = ClientStartedService.new(received_rpc_callback)
server_runner = ServerRunner.new(client_started_service)
server_port = server_runner.run
STDERR.puts 'start client'
control_stub, client_pid = start_client('./graceful_sig_stop_client.rb', server_port)
client_started_mu.synchronize do
client_started_cv.wait(client_started_mu) until client_started
end
cleanup(control_stub, client_pid, server_runner)
end
main
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