| /* |
| * Copyright (C) 2012 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 android.text.TextUtils; |
| import android.util.Log; |
| |
| import java.net.InetAddress; |
| import java.net.UnknownHostException; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Iterator; |
| |
| /** |
| * A simple object for retrieving the results of a DHCP request. |
| * Optimized (attempted) for that jni interface |
| * TODO - remove when DhcpInfo is deprecated. Move the remaining api to LinkProperties. |
| * @hide |
| */ |
| public class DhcpResults implements Parcelable { |
| private static final String TAG = "DhcpResults"; |
| |
| public final LinkProperties linkProperties; |
| |
| public InetAddress serverAddress; |
| |
| /** |
| * Vendor specific information (from RFC 2132). |
| */ |
| public String vendorInfo; |
| |
| public int leaseDuration; |
| |
| public DhcpResults() { |
| linkProperties = new LinkProperties(); |
| } |
| |
| /** copy constructor */ |
| public DhcpResults(DhcpResults source) { |
| if (source != null) { |
| linkProperties = new LinkProperties(source.linkProperties); |
| serverAddress = source.serverAddress; |
| leaseDuration = source.leaseDuration; |
| vendorInfo = source.vendorInfo; |
| } else { |
| linkProperties = new LinkProperties(); |
| } |
| } |
| |
| public DhcpResults(LinkProperties lp) { |
| linkProperties = new LinkProperties(lp); |
| } |
| |
| /** |
| * Updates the DHCP fields that need to be retained from |
| * original DHCP request if the current renewal shows them |
| * being empty. |
| */ |
| public void updateFromDhcpRequest(DhcpResults orig) { |
| if (orig == null || orig.linkProperties == null) return; |
| if (linkProperties.getRoutes().size() == 0) { |
| for (RouteInfo r : orig.linkProperties.getRoutes()) linkProperties.addRoute(r); |
| } |
| if (linkProperties.getDnses().size() == 0) { |
| for (InetAddress d : orig.linkProperties.getDnses()) linkProperties.addDns(d); |
| } |
| } |
| |
| /** |
| * Test if this DHCP lease includes vendor hint that network link is |
| * metered, and sensitive to heavy data transfers. |
| */ |
| public boolean hasMeteredHint() { |
| if (vendorInfo != null) { |
| return vendorInfo.contains("ANDROID_METERED"); |
| } else { |
| return false; |
| } |
| } |
| |
| public void clear() { |
| linkProperties.clear(); |
| serverAddress = null; |
| vendorInfo = null; |
| leaseDuration = 0; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuffer str = new StringBuffer(linkProperties.toString()); |
| |
| str.append(" DHCP server ").append(serverAddress); |
| str.append(" Vendor info ").append(vendorInfo); |
| str.append(" lease ").append(leaseDuration).append(" seconds"); |
| |
| return str.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) return true; |
| |
| if (!(obj instanceof DhcpResults)) return false; |
| |
| DhcpResults target = (DhcpResults)obj; |
| |
| if (linkProperties == null) { |
| if (target.linkProperties != null) return false; |
| } else if (!linkProperties.equals(target.linkProperties)) return false; |
| if (serverAddress == null) { |
| if (target.serverAddress != null) return false; |
| } else if (!serverAddress.equals(target.serverAddress)) return false; |
| if (vendorInfo == null) { |
| if (target.vendorInfo != null) return false; |
| } else if (!vendorInfo.equals(target.vendorInfo)) return false; |
| if (leaseDuration != target.leaseDuration) return false; |
| |
| return true; |
| } |
| |
| /** Implement the Parcelable interface */ |
| public int describeContents() { |
| return 0; |
| } |
| |
| /** Implement the Parcelable interface */ |
| public void writeToParcel(Parcel dest, int flags) { |
| linkProperties.writeToParcel(dest, flags); |
| |
| dest.writeInt(leaseDuration); |
| |
| if (serverAddress != null) { |
| dest.writeByte((byte)1); |
| dest.writeByteArray(serverAddress.getAddress()); |
| } else { |
| dest.writeByte((byte)0); |
| } |
| |
| dest.writeString(vendorInfo); |
| } |
| |
| /** Implement the Parcelable interface */ |
| public static final Creator<DhcpResults> CREATOR = |
| new Creator<DhcpResults>() { |
| public DhcpResults createFromParcel(Parcel in) { |
| DhcpResults prop = new DhcpResults((LinkProperties)in.readParcelable(null)); |
| |
| prop.leaseDuration = in.readInt(); |
| |
| if (in.readByte() == 1) { |
| try { |
| prop.serverAddress = InetAddress.getByAddress(in.createByteArray()); |
| } catch (UnknownHostException e) {} |
| } |
| |
| prop.vendorInfo = in.readString(); |
| |
| return prop; |
| } |
| |
| public DhcpResults[] newArray(int size) { |
| return new DhcpResults[size]; |
| } |
| }; |
| |
| // Utils for jni population - false on success |
| public void setInterfaceName(String interfaceName) { |
| linkProperties.setInterfaceName(interfaceName); |
| } |
| |
| public boolean addLinkAddress(String addrString, int prefixLength) { |
| InetAddress addr; |
| try { |
| addr = NetworkUtils.numericToInetAddress(addrString); |
| } catch (IllegalArgumentException e) { |
| Log.e(TAG, "addLinkAddress failed with addrString " + addrString); |
| return true; |
| } |
| |
| LinkAddress linkAddress = new LinkAddress(addr, prefixLength); |
| linkProperties.addLinkAddress(linkAddress); |
| |
| RouteInfo routeInfo = new RouteInfo(linkAddress); |
| linkProperties.addRoute(routeInfo); |
| return false; |
| } |
| |
| public boolean addGateway(String addrString) { |
| try { |
| linkProperties.addRoute(new RouteInfo(NetworkUtils.numericToInetAddress(addrString))); |
| } catch (IllegalArgumentException e) { |
| Log.e(TAG, "addGateway failed with addrString " + addrString); |
| return true; |
| } |
| return false; |
| } |
| |
| public boolean addDns(String addrString) { |
| if (TextUtils.isEmpty(addrString) == false) { |
| try { |
| linkProperties.addDns(NetworkUtils.numericToInetAddress(addrString)); |
| } catch (IllegalArgumentException e) { |
| Log.e(TAG, "addDns failed with addrString " + addrString); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public boolean setServerAddress(String addrString) { |
| try { |
| serverAddress = NetworkUtils.numericToInetAddress(addrString); |
| } catch (IllegalArgumentException e) { |
| Log.e(TAG, "setServerAddress failed with addrString " + addrString); |
| return true; |
| } |
| return false; |
| } |
| |
| public void setLeaseDuration(int duration) { |
| leaseDuration = duration; |
| } |
| |
| public void setVendorInfo(String info) { |
| vendorInfo = info; |
| } |
| |
| public void setDomains(String domains) { |
| linkProperties.setDomains(domains); |
| } |
| } |