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#!/usr/bin/env ruby
# Copyright 2017 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.
# 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/worker_service_services_pb'
require 'src/proto/grpc/testing/proxy-service_services_pb'
class ProxyBenchmarkClientServiceImpl < Grpc::Testing::ProxyClientService::Service
def initialize(port, c_ext, php_client_bin)
@mytarget = "localhost:" + port.to_s
@use_c_ext = c_ext
@php_client_bin = php_client_bin
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
@php_pid = Array.new(@config.client_channels)
(0..@config.client_channels-1).each do |chan|
Thread.new {
if @use_c_ext
puts "Use protobuf c extension"
command = "php -d extension=" + File.expand_path(File.dirname(__FILE__)) +
"/../../php/tests/qps/vendor/google/protobuf/php/ext/google/protobuf/modules/protobuf.so " +
"-d extension=" + File.expand_path(File.dirname(__FILE__)) + "/../../php/ext/grpc/modules/grpc.so " +
File.expand_path(File.dirname(__FILE__)) + "/" + @php_client_bin + " " + @mytarget + " #{chan%@config.server_targets.length}"
else
puts "Use protobuf php extension"
command = "php -d extension=" + File.expand_path(File.dirname(__FILE__)) + "/../../php/ext/grpc/modules/grpc.so " +
File.expand_path(File.dirname(__FILE__)) + "/" + @php_client_bin + " " + @mytarget + " #{chan%@config.server_targets.length}"
end
puts "[ruby proxy] Starting #{chan}th php-client command use c protobuf #{@use_c_ext}: " + command
@php_pid[chan] = spawn(command)
while true
sleep
end
}
end
end
def stop
(0..@config.client_channels-1).each do |chan|
Process.kill("TERM", @php_pid[chan])
Process.wait(@php_pid[chan])
end
end
def get_config(_args, _call)
@config
end
def report_time(call)
call.each_remote_read do |lat|
@histogram.add((lat.latency)*1e9)
end
Grpc::Testing::Void.new
end
def report_hist(call)
call.each_remote_read do |lat|
@histogram.merge(lat)
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,
'php_client_bin' => '../../php/tests/qps/client.php'
}
OptionParser.new do |opts|
opts.banner = 'Usage: [--driver_port <port>]'
opts.on('--driver_port PORT', '<port>') do |v|
options['driver_port'] = v
end
opts.on("-c", "--[no-]use_protobuf_c_extension", "Use protobuf C-extention") do |c|
options[:c_ext] = c
end
opts.on("-b", "--php_client_bin [FILE]",
"PHP client to execute; path relative to this script") do |c|
options['php_client_bin'] = c
end
end.parse!
# Configure any errors with client or server child threads to surface
Thread.abort_on_exception = true
# Make sure proxy_server can handle the large number of calls in benchmarks
s = GRPC::RpcServer.new(pool_size: 1024)
port = s.add_http2_port("0.0.0.0:" + options['driver_port'].to_s,
:this_port_is_insecure)
bmc = ProxyBenchmarkClientServiceImpl.new(port, options[:c_ext], options['php_client_bin'])
s.handle(bmc)
s.handle(ProxyWorkerServiceImpl.new(s, bmc))
s.run
end
proxymain
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