Hprose\Swoole\Socket\FullDuplexTransporter::send PHP Method

    public function send($request, $future, $id, $context, $conn)
    {
        $self = $this;
        $timeout = $context->timeout;
        if ($timeout > 0) {
            $conn->timeoutIds[$id] = swoole_timer_after($timeout, function () use($self, $future, $id, $conn) {
                $self->clean($conn, $id);
                if ($conn->count === 0) {
                    $self->recycle($conn);
                }
                $future->reject(new TimeoutException('timeout'));
            });
        }
        $conn->count++;
        $conn->futures[$id] = $future;
        $header = pack('NN', strlen($request) | 0x80000000, $id);
        $conn->send($header);
        $conn->send($request);
        $this->sendNext($conn);
    }