写入套接字并处理损坏的管道

我有一些PHP代码连接到套接字。我在给它写信的时候，管子断断续续地坏了。如果再次写入管道，问题似乎就会消失。我想知道需要什么(最安全的方法)才能恢复过来。我也想知道socket_write是否可以返回而不写入传递给它的完整字符串。以下是我目前的资料

function getSocket() {
  $socket = socket_create( AF_UNIX, SOCK_STREAM, 0 );
  if ( $socket === FALSE ) {
    throw new Exception(
      "socket_create failed: reason: " . socket_strerror( socket_last_error() ));
    }
  }
  $result = socket_connect($socket, $address);
  if ($result === false) {
    throw new Exception("socket_connect() failed.'nReason: ($result) " .
        socket_strerror(socket_last_error($socket)));
  }
  return $socket;
}
function writeSocket($stmt) {
  $tries = 0;
  $socket = getSocket();
  do {
    // Is is possible that socket_write may not write the full $stmt?
    // Do I need to keep rewriting until it's finished?
    $writeResult = socket_write( $socket, $stmt, strlen( $stmt ) );
    if ($writeResult === FALSE) {
      // Got  a broken pipe, What's the best way to re-establish and 
      // try to write again, do I need to call socket_shutdown?
      socket_close($socket);
      $socket = getSocket();
    }
    $tries++;
  } while ( $tries < MAX_SOCKET_TRIES && $writeResult ===  FALSE);
}