Hprose\Socket\Transporter::syncSendAndReceive PHP Метод

    public function syncSendAndReceive($buffer, stdClass $context)
    {
        $client = $this->client;
        $timeout = $context->timeout / 1000;
        $sec = floor($timeout);
        $usec = ($timeout - $sec) * 1000;
        $trycount = 0;
        $errno = 0;
        $errstr = '';
        while ($trycount <= 1) {
            if ($this->stream === null) {
                $scheme = parse_url($client->uri, PHP_URL_SCHEME);
                if ($scheme == 'unix') {
                    $this->stream = @pfsockopen('unix://' . parse_url($client->uri, PHP_URL_PATH));
                } else {
                    $this->stream = @stream_socket_client($client->uri, $errno, $errstr, $timeout, STREAM_CLIENT_CONNECT | STREAM_CLIENT_PERSISTENT, stream_context_create($client->options));
                }
                if ($this->stream === false) {
                    $this->stream = null;
                    throw new Exception($errstr, $errno);
                }
            }
            $stream = $this->stream;
            @stream_set_read_buffer($stream, $client->readBuffer);
            @stream_set_write_buffer($stream, $client->writeBuffer);
            if (function_exists('socket_import_stream')) {
                if ($scheme === 'tcp' || $scheme === 'unix') {
                    $socket = socket_import_stream($stream);
                    socket_set_option($socket, SOL_SOCKET, SO_KEEPALIVE, (int) $client->keepAlive);
                    if ($scheme === 'tcp') {
                        socket_set_option($socket, SOL_TCP, TCP_NODELAY, (int) $client->noDelay);
                    }
                }
            }
            if (@stream_set_timeout($stream, $sec, $usec) == false) {
                if ($trycount > 0) {
                    throw $this->getLastError("unknown error");
                }
                $trycount++;
            } else {
                break;
            }
        }
        if ($this->write($stream, $buffer) === false) {
            throw $this->getLastError("request write error");
        }
        $response = $this->read($stream, $buffer);
        if ($response === false) {
            throw $this->getLastError("response read error");
        }
        return $response;
    }