حاوية net

// وضع الاتصال الافتراضي: Tor
let mut conn_mode = ConnMode::Tor;

receiver.serve(|msg| {
    // ── Lazy Init: تُهيأ smoltcp عند أول رسالة فقط ──
    if !net_init {
        net_init = true;
        let hw_addr = HardwareAddress::Ethernet(
            EthernetAddress([0x02, 0x00, 0x00, 0x00, 0x00, 0x01])
        );
        let mut iface = Interface::new(Config::new(hw_addr), &mut device, Instant::from_millis(0));
        iface.update_ip_addrs(|addrs| {
            let _ = addrs.push(IpCidr::new(IpAddress::v4(10, 0, 2, 15), 24));
        });
        // إضافة TCP Socket بمخازن 2048 بايت
        let tcp_socket = TcpSocket::new(
            SocketBuffer::new(&mut TCP_RX_BUF[..]),
            SocketBuffer::new(&mut TCP_TX_BUF[..]),
        );
    }

    // ── تبديل الوضع عبر IPC (tag=Unknown, mr[0]=0xDE) ──
    match msg.tag {
        MessageTag::Unknown if msg.mr[0] == 0xDE => {
            conn_mode = if msg.mr[1] == 0 { ConnMode::Direct } else { ConnMode::Tor };
        }
        MessageTag::Unknown => {
            match conn_mode {
                ConnMode::Tor    => tor_state.route_request(...),
                ConnMode::Direct => iface.poll(...), // TODO: VirtIO
            }
        }
        _ => IpcMessage::error(1)
    }
})