HTTPDNS:Praktik terbaik untuk menggunakan HTTPDNS dengan Alibaba Cloud OSS SDK di Android

class OkHttpDns constructor(context: Context): Dns {
    private var mContext: Context

    init {
        mContext = context
    }
    @Throws(UnknownHostException::class)
    override fun lookup(host: String): List<InetAddress> {
        val httpdnsResult: HTTPDNSResult = HttpDns.getService(accountID)
            .getHttpDnsResultForHostSync(host, RequestIpType.both)
        val inetAddresses: MutableList<InetAddress> = ArrayList()
        var address: InetAddress
        try {
            if (httpdnsResult.ips != null) {
                // Proses alamat IPv4
                for (ipv4 in httpdnsResult.ips) {
                    address = InetAddress.getByName(ipv4)
                    inetAddresses.add(address)
                }
            }
            if (httpdnsResult.ipv6s != null) {
                // Proses alamat IPv6
                for (ipv6 in httpdnsResult.ipv6s) {
                    address = InetAddress.getByName(ipv6)
                    inetAddresses.add(address)
                }
            }
        } catch (e: UnknownHostException) {
        }
        return if (!inetAddresses.isEmpty()) {
            inetAddresses
        } else Dns.SYSTEM.lookup(host)
    }
}

public class OkHttpDns implements Dns {
    private Context mContext;
    public OkHttpDns(Context context) {
        mContext = context;
    }
    @Overridepublic List<InetAddress> lookup(String host) throws UnknownHostException {
        HTTPDNSResult httpdnsResult = HttpDns.getService(accountID).getHttpDnsResultForHostSync(host, RequestIpType.both);
        List<InetAddress> inetAddresses = new ArrayList<>();
        InetAddress address;
        try {
            if (httpdnsResult.getIps() != null) {
                // Proses alamat IPv4
                for (String ipv4 : httpdnsResult.getIps()) {
                    address = InetAddress.getByName(ipv4);
                    inetAddresses.add(address);
                }
            }

            if (httpdnsResult.getIpv6s() != null) {
                // Proses alamat IPv6
                for (String ipv6 : httpdnsResult.getIpv6s()) {
                    address = InetAddress.getByName(ipv6);
                    inetAddresses.add(address);
                }
            }
        } catch (UnknownHostException e) {

        }

        if (!inetAddresses.isEmpty()) {
            return inetAddresses;
        }

        return okhttp3.Dns.SYSTEM.lookup(host);
    }
}

// Buat konfigurasi klien OSS.
val conf = ClientConfiguration()
conf.connectionTimeout = 15 * 1000 // Batas waktu koneksi. Nilai default: 15 detik.
conf.socketTimeout = 15 * 1000 // Batas waktu socket. Nilai default: 15 detik.
conf.maxConcurrentRequest = 5 // Jumlah maksimum permintaan bersamaan. Nilai default: 5.
conf.maxErrorRetry = 2 // Jumlah maksimum percobaan ulang saat gagal. Nilai default: 2.

val builder = OkHttpClient.Builder()
    .dns(OkHttpDns(applicationContext))

// Jika Anda menetapkan okHttpClient kustom, beberapa pengaturan dari ClientConfiguration akan menjadi tidak valid. Anda perlu menetapkannya secara manual pada pembuat.
if (conf != null) {
    val dispatcher = Dispatcher()
    dispatcher.maxRequests = conf.maxConcurrentRequest

    builder.connectTimeout(conf.connectionTimeout.toLong(), TimeUnit.MILLISECONDS)
        .readTimeout(conf.socketTimeout.toLong(), TimeUnit.MILLISECONDS)
        .writeTimeout(conf.socketTimeout.toLong(), TimeUnit.MILLISECONDS)
        .followRedirects(conf.isFollowRedirectsEnable)
        .followSslRedirects(conf.isFollowRedirectsEnable)
        .dispatcher(dispatcher)

    if (conf.proxyHost != null && conf.proxyPort != 0) {
        builder.proxy(Proxy(Proxy.Type.HTTP, InetSocketAddress(conf.proxyHost, conf.proxyPort)))
    }
}

// Hanya Android OSS SDK versi 2.9.12 atau lebih tinggi yang mendukung metode conf.setOkHttpClient().
conf.okHttpClient = builder.build()

val oss = OSSClient(applicationContext, endpoint, credentialProvider, conf)

// Buat konfigurasi klien OSS.
ClientConfiguration conf = new ClientConfiguration();
conf.setConnectionTimeout(15 * 1000); // Batas waktu koneksi. Nilai default: 15 detik.
conf.setSocketTimeout(15 * 1000); // Batas waktu socket. Nilai default: 15 detik.
conf.setMaxConcurrentRequest(5); // Jumlah maksimum permintaan bersamaan. Nilai default: 5.
conf.setMaxErrorRetry(2); // Jumlah maksimum percobaan ulang saat gagal. Nilai default: 2.

OkHttpClient.Builder builder = new OkHttpClient.Builder()
        .dns(new OkHttpDns(getApplicationContext()));
        
// Jika Anda menetapkan okHttpClient kustom, beberapa pengaturan dari ClientConfiguration akan menjadi tidak valid. Anda perlu menetapkannya secara manual pada pembuat.
if (conf != null) {
    Dispatcher dispatcher = new Dispatcher();
    dispatcher.setMaxRequests(conf.getMaxConcurrentRequest());

    builder.connectTimeout(conf.getConnectionTimeout(), TimeUnit.MILLISECONDS)
            .readTimeout(conf.getSocketTimeout(), TimeUnit.MILLISECONDS)
            .writeTimeout(conf.getSocketTimeout(), TimeUnit.MILLISECONDS)
            .followRedirects(conf.isFollowRedirectsEnable())
            .followSslRedirects(conf.isFollowRedirectsEnable())
            .dispatcher(dispatcher);

    if (conf.getProxyHost() != null && conf.getProxyPort() != 0) {
        builder.proxy(new Proxy(Proxy.Type.HTTP, new InetSocketAddress(conf.getProxyHost(), conf.getProxyPort())));
    }
}

// Hanya Android OSS SDK versi 2.9.12 atau lebih tinggi yang mendukung metode conf.setOkHttpClient().
conf.setOkHttpClient(builder.build());

OSS oss = new OSSClient(getApplicationContext(), endpoint, credentialProvider, conf);