1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.net.shared; 18 19 import android.annotation.Nullable; 20 import android.net.DhcpResults; 21 import android.net.DhcpResultsParcelable; 22 import android.net.InetAddresses; 23 24 import java.net.Inet4Address; 25 import java.net.InetAddress; 26 27 /** 28 * Collection of utility methods to convert to and from stable AIDL parcelables for IpClient 29 * configuration classes. 30 * @hide 31 */ 32 public final class IpConfigurationParcelableUtil { 33 /** 34 * Convert DhcpResults to a DhcpResultsParcelable. 35 */ toStableParcelable(@ullable DhcpResults results)36 public static DhcpResultsParcelable toStableParcelable(@Nullable DhcpResults results) { 37 if (results == null) return null; 38 final DhcpResultsParcelable p = new DhcpResultsParcelable(); 39 p.baseConfiguration = results.toStaticIpConfiguration(); 40 p.leaseDuration = results.leaseDuration; 41 p.mtu = results.mtu; 42 p.serverAddress = parcelAddress(results.serverAddress); 43 p.vendorInfo = results.vendorInfo; 44 p.serverHostName = results.serverHostName; 45 return p; 46 } 47 48 /** 49 * Convert a DhcpResultsParcelable to DhcpResults. 50 */ fromStableParcelable(@ullable DhcpResultsParcelable p)51 public static DhcpResults fromStableParcelable(@Nullable DhcpResultsParcelable p) { 52 if (p == null) return null; 53 final DhcpResults results = new DhcpResults(p.baseConfiguration); 54 results.leaseDuration = p.leaseDuration; 55 results.mtu = p.mtu; 56 results.serverAddress = (Inet4Address) unparcelAddress(p.serverAddress); 57 results.vendorInfo = p.vendorInfo; 58 results.serverHostName = p.serverHostName; 59 return results; 60 } 61 62 /** 63 * Convert InetAddress to String. 64 * TODO: have an InetAddressParcelable 65 */ parcelAddress(@ullable InetAddress addr)66 public static String parcelAddress(@Nullable InetAddress addr) { 67 if (addr == null) return null; 68 return addr.getHostAddress(); 69 } 70 71 /** 72 * Convert String to InetAddress. 73 * TODO: have an InetAddressParcelable 74 */ unparcelAddress(@ullable String addr)75 public static InetAddress unparcelAddress(@Nullable String addr) { 76 if (addr == null) return null; 77 return InetAddresses.parseNumericAddress(addr); 78 } 79 } 80