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<?php
/*
*
* Copyright 2016, 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.
*
*/
include_once 'interop_client.php';
function stress_main($args)
{
mt_srand();
set_time_limit(0);
// open socket to listen as metrics server
$socket = socket_create(AF_INET, SOCK_STREAM, 0);
socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1);
if (@!socket_bind($socket, 'localhost', $args['metrics_port'])) {
echo "Cannot create socket for metrics server...\n";
exit(1);
}
socket_listen($socket);
socket_set_nonblock($socket);
$start_time = microtime(true);
$count = 0;
$deadline = $args['test_duration_secs'] ?
($start_time + $args['test_duration_secs']) : false;
$num_test_cases = count($args['test_cases']);
$stub = false;
while (true) {
$current_time = microtime(true);
if ($deadline && $current_time > $deadline) {
break;
}
if ($client_connection = socket_accept($socket)) {
// there is an incoming request, respond with qps metrics
$input = socket_read($client_connection, 1024);
$qps = round($count / ($current_time - $start_time));
socket_write($client_connection, "qps: $qps");
socket_close($client_connection);
} else {
// do actual work, run one interop test case
$args['test_case'] =
$args['test_cases'][mt_rand(0, $num_test_cases - 1)];
$stub = @interop_main($args, $stub);
++$count;
}
}
socket_close($socket);
echo "Number of interop tests run in $args[test_duration_secs] ".
"seconds: $count.\n";
}
// process command line arguments
$raw_args = getopt('',
['server_addresses::',
'test_cases:',
'metrics_port::',
'test_duration_secs::',
'num_channels_per_server::',
'num_stubs_per_channel::',
]);
$args = [];
if (empty($raw_args['server_addresses'])) {
$args['server_host'] = 'localhost';
$args['server_port'] = '8080';
} else {
$parts = explode(':', $raw_args['server_addresses']);
$args['server_host'] = $parts[0];
$args['server_port'] = (count($parts) == 2) ? $parts[1] : '';
}
$args['metrics_port'] = empty($raw_args['metrics_port']) ?
'8081' : $raw_args['metrics_port'];
$args['test_duration_secs'] = empty($raw_args['test_duration_secs']) ||
$raw_args['test_duration_secs'] == -1 ?
false : $raw_args['test_duration_secs'];
$test_cases = [];
$test_case_strs = explode(',', $raw_args['test_cases']);
foreach ($test_case_strs as $test_case_str) {
$parts = explode(':', $test_case_str);
$test_cases = array_merge($test_cases, array_fill(0, $parts[1], $parts[0]));
}
$args['test_cases'] = $test_cases;
stress_main($args);
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