public static function send($fifo, $message)
{
$message = serialize($message);
$messageLen = hex2bin(str_pad(dechex(strlen($message)), self::MESSAGE_LEN_FIELD_LENGTH_BYTES * 2, "0", STR_PAD_LEFT));
$writeStream = fopen($fifo, "c+");
if (!$writeStream) {
throw new \Exception("Could not open fifo {$fifo} for writing: " . var_export(error_get_last(), 1));
}
if (!fwrite($writeStream, $messageLen . $message)) {
log::warning("Could not write to fifo {$fifo}");
throw new \Exception("Could not write to fifo {$fifo}");
} else {
log::debug("Written message to {$fifo}");
}
fclose($writeStream);
}
