<?php
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/*
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*
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* Copyright 2016 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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include_once 'interop_client.php';
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function stress_main($args)
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{
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mt_srand();
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set_time_limit(0);
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// open socket to listen as metrics server
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$socket = socket_create(AF_INET, SOCK_STREAM, 0);
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socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1);
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if (@!socket_bind($socket, 'localhost', $args['metrics_port'])) {
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echo "Cannot create socket for metrics server...\n";
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exit(1);
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}
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socket_listen($socket);
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socket_set_nonblock($socket);
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$start_time = microtime(true);
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$count = 0;
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$deadline = $args['test_duration_secs'] ?
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($start_time + $args['test_duration_secs']) : false;
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$num_test_cases = count($args['test_cases']);
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$stub = false;
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while (true) {
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$current_time = microtime(true);
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if ($deadline && $current_time > $deadline) {
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break;
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}
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if ($client_connection = socket_accept($socket)) {
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// there is an incoming request, respond with qps metrics
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$input = socket_read($client_connection, 1024);
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$qps = round($count / ($current_time - $start_time));
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socket_write($client_connection, "qps: $qps");
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socket_close($client_connection);
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} else {
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// do actual work, run one interop test case
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$args['test_case'] =
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$args['test_cases'][mt_rand(0, $num_test_cases - 1)];
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$stub = @interop_main($args, $stub);
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++$count;
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}
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}
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socket_close($socket);
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echo "Number of interop tests run in $args[test_duration_secs] ".
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"seconds: $count.\n";
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}
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// process command line arguments
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$raw_args = getopt('',
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['server_addresses::',
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'test_cases:',
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'metrics_port::',
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'test_duration_secs::',
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'num_channels_per_server::',
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'num_stubs_per_channel::',
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]);
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$args = [];
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if (empty($raw_args['server_addresses'])) {
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$args['server_host'] = 'localhost';
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$args['server_port'] = '8080';
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} else {
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$parts = explode(':', $raw_args['server_addresses']);
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$args['server_host'] = $parts[0];
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$args['server_port'] = (count($parts) == 2) ? $parts[1] : '';
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}
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$args['metrics_port'] = empty($raw_args['metrics_port']) ?
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'8081' : $raw_args['metrics_port'];
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$args['test_duration_secs'] = empty($raw_args['test_duration_secs']) ||
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$raw_args['test_duration_secs'] == -1 ?
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false : $raw_args['test_duration_secs'];
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$test_cases = [];
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$test_case_strs = explode(',', $raw_args['test_cases']);
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foreach ($test_case_strs as $test_case_str) {
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$parts = explode(':', $test_case_str);
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$test_cases = array_merge($test_cases, array_fill(0, $parts[1], $parts[0]));
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}
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$args['test_cases'] = $test_cases;
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stress_main($args);
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