function stress_test($category, $client_name, $rate, $total, $msg_per_call, $avg_size)
{
$send_interval = $msg_per_call / $rate;
$random = generate_random($avg_size * 2);
$msgs_since_send = 0;
$messages = array();
$last_send_time = microtime(true);
for ($i = 0; $i < $total; ++$i) {
$entry = new LogEntry();
$entry->category = $category;
$entry->message = make_message($client_name, $avg_size, $i, $random);
$messages[] = $entry;
++$msgs_since_send;
if ($msgs_since_send >= $msg_per_call) {
$msgs_since_send = 0;
scribe_Log_test($messages);
$messages = array();
print '.';
$now = microtime(true);
$wait = $last_send_time + $send_interval - $now;
$last_send_time = $now;
if ($wait > 0) {
print "going to sleep {$wait} ms\n";
usleep($wait * 1000000);
} else {
print "backed up {$wait} ms\n";
}
}
}
}
function stress_test($category, $client_name, $rate, $total, $msg_per_call, $avg_size, $num_categories)
{
$send_interval = $msg_per_call / $rate;
$random = generate_random($avg_size * 2);
$msgs_since_send = 0;
$messages = array();
$last_send_time = microtime(true);
$scribe_client = create_scribe_client();
for ($i = 0; $i < $total; ++$i) {
$entry = new LogEntry();
$entry->category = $category;
if ($num_categories > 1) {
$entry->category .= rand(1, $num_categories);
}
$entry->message = make_message($client_name, $avg_size, $i, $random);
$messages[] = $entry;
++$msgs_since_send;
if ($msgs_since_send >= $msg_per_call) {
$msgs_since_send = 0;
$ret = scribe_Log_test($messages, $scribe_client);
$messages = array();
$now = microtime(true);
$wait = $last_send_time + $send_interval - $now;
$last_send_time = $now;
if ($wait > 0) {
usleep($wait * 1000000);
}
}
}
}
