| /* |
| * Copyright (C) 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.net.shared; |
| |
| import static android.net.shared.ParcelableUtil.fromParcelableArray; |
| import static android.net.shared.ParcelableUtil.toParcelableArray; |
| |
| import android.annotation.Nullable; |
| import android.net.ApfCapabilitiesParcelable; |
| import android.net.DhcpResults; |
| import android.net.DhcpResultsParcelable; |
| import android.net.InetAddresses; |
| import android.net.StaticIpConfiguration; |
| import android.net.StaticIpConfigurationParcelable; |
| import android.net.apf.ApfCapabilities; |
| |
| import java.net.Inet4Address; |
| import java.net.InetAddress; |
| |
| /** |
| * Collection of utility methods to convert to and from stable AIDL parcelables for IpClient |
| * configuration classes. |
| * @hide |
| */ |
| public final class IpConfigurationParcelableUtil { |
| /** |
| * Convert a StaticIpConfiguration to a StaticIpConfigurationParcelable. |
| */ |
| public static StaticIpConfigurationParcelable toStableParcelable( |
| @Nullable StaticIpConfiguration config) { |
| if (config == null) return null; |
| final StaticIpConfigurationParcelable p = new StaticIpConfigurationParcelable(); |
| p.ipAddress = config.getIpAddress(); |
| p.gateway = parcelAddress(config.getGateway()); |
| p.dnsServers = toParcelableArray( |
| config.getDnsServers(), IpConfigurationParcelableUtil::parcelAddress, String.class); |
| p.domains = config.getDomains(); |
| return p; |
| } |
| |
| /** |
| * Convert a StaticIpConfigurationParcelable to a StaticIpConfiguration. |
| */ |
| public static StaticIpConfiguration fromStableParcelable( |
| @Nullable StaticIpConfigurationParcelable p) { |
| if (p == null) return null; |
| final StaticIpConfiguration config = new StaticIpConfiguration(); |
| config.setIpAddress(p.ipAddress); |
| config.setGateway(unparcelAddress(p.gateway)); |
| for (InetAddress addr : fromParcelableArray( |
| p.dnsServers, IpConfigurationParcelableUtil::unparcelAddress)) { |
| config.addDnsServer(addr); |
| } |
| config.setDomains(p.domains); |
| return config; |
| } |
| |
| /** |
| * Convert DhcpResults to a DhcpResultsParcelable. |
| */ |
| public static DhcpResultsParcelable toStableParcelable(@Nullable DhcpResults results) { |
| if (results == null) return null; |
| final DhcpResultsParcelable p = new DhcpResultsParcelable(); |
| p.baseConfiguration = toStableParcelable(results.toStaticIpConfiguration()); |
| p.leaseDuration = results.leaseDuration; |
| p.mtu = results.mtu; |
| p.serverAddress = parcelAddress(results.serverAddress); |
| p.vendorInfo = results.vendorInfo; |
| return p; |
| } |
| |
| /** |
| * Convert a DhcpResultsParcelable to DhcpResults. |
| */ |
| public static DhcpResults fromStableParcelable(@Nullable DhcpResultsParcelable p) { |
| if (p == null) return null; |
| final DhcpResults results = new DhcpResults(fromStableParcelable(p.baseConfiguration)); |
| results.leaseDuration = p.leaseDuration; |
| results.mtu = p.mtu; |
| results.serverAddress = (Inet4Address) unparcelAddress(p.serverAddress); |
| results.vendorInfo = p.vendorInfo; |
| return results; |
| } |
| |
| /** |
| * Convert ApfCapabilities to ApfCapabilitiesParcelable. |
| */ |
| public static ApfCapabilitiesParcelable toStableParcelable(@Nullable ApfCapabilities caps) { |
| if (caps == null) return null; |
| final ApfCapabilitiesParcelable p = new ApfCapabilitiesParcelable(); |
| p.apfVersionSupported = caps.apfVersionSupported; |
| p.maximumApfProgramSize = caps.maximumApfProgramSize; |
| p.apfPacketFormat = caps.apfPacketFormat; |
| return p; |
| } |
| |
| /** |
| * Convert ApfCapabilitiesParcelable toApfCapabilities. |
| */ |
| public static ApfCapabilities fromStableParcelable(@Nullable ApfCapabilitiesParcelable p) { |
| if (p == null) return null; |
| return new ApfCapabilities( |
| p.apfVersionSupported, p.maximumApfProgramSize, p.apfPacketFormat); |
| } |
| |
| /** |
| * Convert InetAddress to String. |
| * TODO: have an InetAddressParcelable |
| */ |
| public static String parcelAddress(@Nullable InetAddress addr) { |
| if (addr == null) return null; |
| return addr.getHostAddress(); |
| } |
| |
| /** |
| * Convert String to InetAddress. |
| * TODO: have an InetAddressParcelable |
| */ |
| public static InetAddress unparcelAddress(@Nullable String addr) { |
| if (addr == null) return null; |
| return InetAddresses.parseNumericAddress(addr); |
| } |
| } |