message: Random socket buffer size.
diff: @@ -5,9 +5,11 @@ swoole_http_server: issue 2360 (swoole_http_server silently fails to read reques
  --FILE--
  <?php
  require __DIR__ . '/../include/bootstrap.php';
  +define('SOCKET_BUFFER_SIZE', 2 << mt_rand(10, 13)); // 1024 ~ 8192
  +phpt_echo("SOCKET_BUFFER_SIZE=" . SOCKET_BUFFER_SIZE . PHP_EOL);
  $pm = new ProcessManager();
  $pm->setRandomFunc(function () {
  - $size = mt_rand(1024, 65536);
  + $size = mt_rand(SOCKET_BUFFER_SIZE, SOCKET_BUFFER_SIZE << 3); // 1024 ~ 65536
  $data = '';
  for ($i = 0; $i < $size; $i++) {
  $data .= sprintf('%01x', $i % 16);
  @@ -18,7 +20,7 @@ $pm->initRandomDataEx(1, MAX_REQUESTS);
  $pm->parentFunc = function () use ($pm) {
  go(function () use ($pm) {
  $cli = new Co\Http\Client('127.0.0.1', $pm->getFreePort());
  - $cli->set(['socket_buffer_size' => 1024]);
  + $cli->set(['socket_buffer_size' => SOCKET_BUFFER_SIZE]);
  for ($n = MAX_REQUESTS; $n--;) {
  $data = $pm->getRandomData();
  assert($cli->post('/', $data) === true);
  @@ -36,7 +38,7 @@ $pm->childFunc = function () use ($pm) {
  $server = new Swoole\Http\Server('127.0.0.1', $pm->getFreePort());
  $server->set([
  'log_file' => '/dev/null',
  - 'socket_buffer_size' => 1024
  + 'socket_buffer_size' => SOCKET_BUFFER_SIZE
  ]);
  $server->on('workerStart', function () use ($pm) {
  $pm->wakeup();
  