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#!/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.
this_dir = File.expand_path(File.dirname(__FILE__))
protos_lib_dir = File.join(this_dir, 'lib')
grpc_lib_dir = File.join(File.dirname(this_dir), 'lib')
$LOAD_PATH.unshift(grpc_lib_dir) unless $LOAD_PATH.include?(grpc_lib_dir)
$LOAD_PATH.unshift(protos_lib_dir) unless $LOAD_PATH.include?(protos_lib_dir)
$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
require 'grpc'
require 'echo_services_pb'
require 'client_control_services_pb'
require 'socket'
require 'optparse'
require 'thread'
require 'timeout'
require 'English' # see https://github.com/bbatsov/rubocop/issues/1747
# GreeterServer is simple server that implements the Helloworld Greeter server.
class EchoServerImpl < Echo::EchoServer::Service
# say_hello implements the SayHello rpc method.
def echo(echo_req, _)
Echo::EchoReply.new(response: echo_req.request)
end
end
# ServerRunner starts an "echo server" that test clients can make calls to
class ServerRunner
def initialize
end
def run
@srv = GRPC::RpcServer.new
port = @srv.add_http2_port('0.0.0.0:0', :this_port_is_insecure)
@srv.handle(EchoServerImpl)
@thd = Thread.new do
@srv.run
end
@srv.wait_till_running
port
end
def stop
@srv.stop
@thd.join
fail 'server not stopped' unless @srv.stopped?
end
end
def start_client(client_main, server_port)
this_dir = File.expand_path(File.dirname(__FILE__))
tmp_server = TCPServer.new(0)
client_control_port = tmp_server.local_address.ip_port
tmp_server.close
client_path = File.join(this_dir, client_main)
client_pid = Process.spawn(RbConfig.ruby,
client_path,
"--client_control_port=#{client_control_port}",
"--server_port=#{server_port}")
sleep 1
control_stub = ClientControl::ClientController::Stub.new(
"localhost:#{client_control_port}", :this_channel_is_insecure)
[control_stub, client_pid]
end
def cleanup(control_stub, client_pid, server_runner)
control_stub.shutdown(ClientControl::Void.new)
Process.wait(client_pid)
client_exit_code = $CHILD_STATUS
if client_exit_code != 0
fail "term sig test failure: client exit code: #{client_exit_code}"
end
server_runner.stop
end
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