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#!/usr/bin/env ruby
# Copyright 2017, 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.
# Proxy of worker service implementation for running a PHP client
this_dir = File.expand_path(File.dirname(__FILE__))
lib_dir = File.join(File.dirname(this_dir), 'lib')
$LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
$LOAD_PATH.unshift(this_dir) unless $LOAD_PATH.include?(this_dir)
require 'grpc'
require 'optparse'
require 'histogram'
require 'etc'
require 'facter'
require 'qps-common'
require 'src/proto/grpc/testing/services_services_pb'
require 'src/proto/grpc/testing/proxy-service_services_pb'
class ProxyBenchmarkClientServiceImpl < Grpc::Testing::ProxyClientService::Service
def initialize(port)
@mytarget = "localhost:" + port.to_s
end
def setup(config)
@config = config
@histres = config.histogram_params.resolution
@histmax = config.histogram_params.max_possible
@histogram = Histogram.new(@histres, @histmax)
@start_time = Time.now
# TODO(vjpai): Support multiple client channels by spawning off a PHP client per channel
command = "php " + File.expand_path(File.dirname(__FILE__)) + "/../../php/tests/qps/client.php " + @mytarget
puts "Starting command: " + command
@php_pid = spawn(command)
end
def stop
Process.kill("TERM", @php_pid)
Process.wait(@php_pid)
end
def get_config(_args, _call)
puts "Answering get_config"
@config
end
def report_time(call)
puts "Starting a time reporting stream"
call.each_remote_read do |lat|
@histogram.add((lat.latency)*1e9)
end
Grpc::Testing::Void.new
end
def mark(reset)
lat = Grpc::Testing::HistogramData.new(
bucket: @histogram.contents,
min_seen: @histogram.minimum,
max_seen: @histogram.maximum,
sum: @histogram.sum,
sum_of_squares: @histogram.sum_of_squares,
count: @histogram.count
)
elapsed = Time.now-@start_time
if reset
@start_time = Time.now
@histogram = Histogram.new(@histres, @histmax)
end
Grpc::Testing::ClientStats.new(latencies: lat, time_elapsed: elapsed)
end
end
class ProxyWorkerServiceImpl < Grpc::Testing::WorkerService::Service
def cpu_cores
Facter.value('processors')['count']
end
# Leave run_server unimplemented since this proxies for a client only.
# If the driver tries to use this as a server, it will get an unimplemented
# status return value.
def run_client(reqs)
q = EnumeratorQueue.new(self)
Thread.new {
reqs.each do |req|
case req.argtype.to_s
when 'setup'
@bmc.setup(req.setup)
q.push(Grpc::Testing::ClientStatus.new(stats: @bmc.mark(false)))
when 'mark'
q.push(Grpc::Testing::ClientStatus.new(stats:
@bmc.mark(req.mark.reset)))
end
end
@bmc.stop
q.push(self)
}
q.each_item
end
def core_count(_args, _call)
Grpc::Testing::CoreResponse.new(cores: cpu_cores)
end
def quit_worker(_args, _call)
Thread.new {
sleep 3
@server.stop
}
Grpc::Testing::Void.new
end
def initialize(s, bmc)
@server = s
@bmc = bmc
end
end
def proxymain
options = {
'driver_port' => 0
}
OptionParser.new do |opts|
opts.banner = 'Usage: [--driver_port <port>]'
opts.on('--driver_port PORT', '<port>') do |v|
options['driver_port'] = v
end
end.parse!
# Configure any errors with client or server child threads to surface
Thread.abort_on_exception = true
s = GRPC::RpcServer.new
port = s.add_http2_port("0.0.0.0:" + options['driver_port'].to_s,
:this_port_is_insecure)
bmc = ProxyBenchmarkClientServiceImpl.new(port)
s.handle(bmc)
s.handle(ProxyWorkerServiceImpl.new(s, bmc))
s.run
end
proxymain
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