PHPDaemon\BoundSocket\UDP::bindSocket PHP Метод

    public function bindSocket()
    {
        $sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP);
        if (!$sock) {
            $errno = socket_last_error();
            Daemon::$process->log(get_class($this) . ': Couldn\'t create UDP-socket (' . $errno . ' - ' . socket_strerror($errno) . ').');
            return false;
        }
        if (!isset($this->port)) {
            if (isset($this->defaultPort)) {
                $this->port = $this->defaultPort;
            } else {
                Daemon::log(get_class($this) . ' (' . get_class($this->pool) . '): no port defined for \'' . $this->uri['uri'] . '\'');
            }
        }
        if ($this->reuse) {
            if (!socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1)) {
                $errno = socket_last_error();
                Daemon::$process->log(get_class($this) . ': Couldn\'t set option REUSEADDR to socket (' . $errno . ' - ' . socket_strerror($errno) . ').');
                return false;
            }
            if (defined('SO_REUSEPORT') && !@socket_set_option($sock, SOL_SOCKET, SO_REUSEPORT, 1)) {
                $errno = socket_last_error();
                Daemon::$process->log(get_class($this) . ': Couldn\'t set option REUSEPORT to socket (' . $errno . ' - ' . socket_strerror($errno) . ').');
                return false;
            }
        }
        if (!@socket_bind($sock, $this->host, $this->port)) {
            $errno = socket_last_error();
            $addr = $this->host . ':' . $this->port;
            Daemon::$process->log(get_class($this) . ': Couldn\'t bind UDP-socket \'' . $addr . '\' (' . $errno . ' - ' . socket_strerror($errno) . ').');
            return false;
        }
        socket_getsockname($sock, $this->host, $this->port);
        $addr = $this->host . ':' . $this->port;
        socket_set_nonblock($sock);
        $this->setFd($sock);
        return true;
    }