103 lines
3.2 KiB
Java
103 lines
3.2 KiB
Java
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.net;
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import android.os.Parcelable;
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import android.os.Parcel;
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/**
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* A simple object for retrieving / setting an interfaces configuration
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* @hide
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*/
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public class InterfaceConfiguration implements Parcelable {
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public String hwAddr;
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public int ipAddr;
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public int netmask;
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public String interfaceFlags;
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public InterfaceConfiguration() {
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super();
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}
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public String toString() {
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StringBuffer str = new StringBuffer();
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str.append("ipddress "); putAddress(str, ipAddr);
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str.append(" netmask "); putAddress(str, netmask);
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str.append(" flags ").append(interfaceFlags);
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str.append(" hwaddr ").append(hwAddr);
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return str.toString();
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}
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private static void putAddress(StringBuffer buf, int addr) {
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buf.append((addr >> 24) & 0xff).append('.').
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append((addr >> 16) & 0xff).append('.').
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append((addr >> 8) & 0xff).append('.').
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append(addr & 0xff);
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}
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/**
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* This function determines if the interface is up and has a valid IP
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* configuration (IP address has a non zero octet).
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*
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* Note: It is supposed to be quick and hence should not initiate
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* any network activity
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*/
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public boolean isActive() {
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try {
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if(interfaceFlags.contains("up")) {
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/* TODO: We should check for v6 address for the v6-only case */
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/*if (ipAddr != 0)*/ return true;
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}
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} catch (NullPointerException e) {
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return false;
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}
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return false;
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}
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/** Implement the Parcelable interface {@hide} */
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public int describeContents() {
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return 0;
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}
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/** Implement the Parcelable interface {@hide} */
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public void writeToParcel(Parcel dest, int flags) {
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dest.writeString(hwAddr);
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dest.writeInt(ipAddr);
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dest.writeInt(netmask);
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dest.writeString(interfaceFlags);
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}
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/** Implement the Parcelable interface {@hide} */
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public static final Creator<InterfaceConfiguration> CREATOR =
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new Creator<InterfaceConfiguration>() {
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public InterfaceConfiguration createFromParcel(Parcel in) {
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InterfaceConfiguration info = new InterfaceConfiguration();
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info.hwAddr = in.readString();
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info.ipAddr = in.readInt();
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info.netmask = in.readInt();
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info.interfaceFlags = in.readString();
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return info;
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}
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public InterfaceConfiguration[] newArray(int size) {
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return new InterfaceConfiguration[size];
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}
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};
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}
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