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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.
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(service_impl, rpc_server_args: {})
@service_impl = service_impl
@rpc_server_args = rpc_server_args
end
def run
@srv = GRPC::RpcServer.new(@rpc_server_args)
port = @srv.add_http2_port('0.0.0.0:0', :this_port_is_insecure)
@srv.handle(@service_impl)
@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}")
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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