| /* |
| * Copyright (C) 2008 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; |
| |
| import android.os.Parcelable; |
| import android.os.Parcel; |
| |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| |
| /** |
| * A simple object for retrieving / setting an interfaces configuration |
| * @hide |
| */ |
| public class InterfaceConfiguration implements Parcelable { |
| public String hwAddr; |
| public LinkAddress addr; |
| public String interfaceFlags; |
| |
| public InterfaceConfiguration() { |
| super(); |
| } |
| |
| public String toString() { |
| StringBuffer str = new StringBuffer(); |
| |
| str.append("ipddress "); |
| str.append((addr != null) ? addr.toString() : "NULL"); |
| str.append(" flags ").append(interfaceFlags); |
| str.append(" hwaddr ").append(hwAddr); |
| |
| return str.toString(); |
| } |
| |
| /** |
| * This function determines if the interface is up and has a valid IP |
| * configuration (IP address has a non zero octet). |
| * |
| * Note: It is supposed to be quick and hence should not initiate |
| * any network activity |
| */ |
| public boolean isActive() { |
| try { |
| if(interfaceFlags.contains("up")) { |
| for (byte b : addr.getAddress().getAddress()) { |
| if (b != 0) return true; |
| } |
| } |
| } catch (NullPointerException e) { |
| return false; |
| } |
| return false; |
| } |
| |
| /** Implement the Parcelable interface {@hide} */ |
| public int describeContents() { |
| return 0; |
| } |
| |
| /** Implement the Parcelable interface {@hide} */ |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeString(hwAddr); |
| if (addr != null) { |
| dest.writeByte((byte)1); |
| dest.writeParcelable(addr, flags); |
| } else { |
| dest.writeByte((byte)0); |
| } |
| dest.writeString(interfaceFlags); |
| } |
| |
| /** Implement the Parcelable interface {@hide} */ |
| public static final Creator<InterfaceConfiguration> CREATOR = |
| new Creator<InterfaceConfiguration>() { |
| public InterfaceConfiguration createFromParcel(Parcel in) { |
| InterfaceConfiguration info = new InterfaceConfiguration(); |
| info.hwAddr = in.readString(); |
| if (in.readByte() == 1) { |
| info.addr = in.readParcelable(null); |
| } |
| info.interfaceFlags = in.readString(); |
| return info; |
| } |
| |
| public InterfaceConfiguration[] newArray(int size) { |
| return new InterfaceConfiguration[size]; |
| } |
| }; |
| } |