1 /* 2 * Copyright (C) 2014 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 com.android.server.ethernet; 18 19 import android.net.IpConfiguration; 20 import android.net.IpConfiguration.IpAssignment; 21 import android.net.IpConfiguration.ProxySettings; 22 import android.os.Environment; 23 import android.util.Log; 24 import android.util.SparseArray; 25 26 import com.android.server.net.IpConfigStore; 27 28 29 /** 30 * This class provides an API to store and manage Ethernet network configuration. 31 */ 32 public class EthernetConfigStore extends IpConfigStore { 33 private static final String TAG = "EthernetConfigStore"; 34 35 private static final String ipConfigFile = Environment.getDataDirectory() + 36 "/misc/ethernet/ipconfig.txt"; 37 38 public EthernetConfigStore() { 39 } 40 41 public IpConfiguration readIpAndProxyConfigurations() { 42 SparseArray<IpConfiguration> networks = readIpAndProxyConfigurations(ipConfigFile); 43 44 if (networks.size() == 0) { 45 Log.w(TAG, "No Ethernet configuration found. Using default."); 46 return new IpConfiguration(IpAssignment.DHCP, ProxySettings.NONE, null, null); 47 } 48 49 if (networks.size() > 1) { 50 // Currently we only support a single Ethernet interface. 51 Log.w(TAG, "Multiple Ethernet configurations detected. Only reading first one."); 52 } 53 54 return networks.valueAt(0); 55 } 56 57 public void writeIpAndProxyConfigurations(IpConfiguration config) { 58 SparseArray<IpConfiguration> networks = new SparseArray<IpConfiguration>(); 59 networks.put(0, config); 60 writeIpAndProxyConfigurations(ipConfigFile, networks); 61 } 62 } 63
