| /* |
| * Copyright (C) 2010 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.text.TextUtils; |
| import android.util.Log; |
| |
| import java.net.InetAddress; |
| import java.net.Inet4Address; |
| import java.net.UnknownHostException; |
| |
| /** |
| * A simple object for retrieving the results of a DHCP request. |
| * Replaces (internally) the IPv4-only DhcpInfo class. |
| * @hide |
| */ |
| public class DhcpInfoInternal { |
| private final static String TAG = "DhcpInfoInternal"; |
| public String ipAddress; |
| public String gateway; |
| public int prefixLength; |
| |
| public String dns1; |
| public String dns2; |
| |
| public String serverAddress; |
| public int leaseDuration; |
| |
| public DhcpInfoInternal() { |
| } |
| |
| private int convertToInt(String addr) { |
| if (addr != null) { |
| try { |
| InetAddress inetAddress = NetworkUtils.numericToInetAddress(addr); |
| if (inetAddress instanceof Inet4Address) { |
| return NetworkUtils.inetAddressToInt(inetAddress); |
| } |
| } catch (IllegalArgumentException e) {} |
| } |
| return 0; |
| } |
| |
| public DhcpInfo makeDhcpInfo() { |
| DhcpInfo info = new DhcpInfo(); |
| info.ipAddress = convertToInt(ipAddress); |
| info.gateway = convertToInt(gateway); |
| try { |
| InetAddress inetAddress = NetworkUtils.numericToInetAddress(ipAddress); |
| info.netmask = NetworkUtils.prefixLengthToNetmaskInt(prefixLength); |
| } catch (IllegalArgumentException e) {} |
| info.dns1 = convertToInt(dns1); |
| info.dns2 = convertToInt(dns2); |
| info.serverAddress = convertToInt(serverAddress); |
| info.leaseDuration = leaseDuration; |
| return info; |
| } |
| |
| public LinkAddress makeLinkAddress() { |
| if (TextUtils.isEmpty(ipAddress)) { |
| Log.e(TAG, "makeLinkAddress with empty ipAddress"); |
| return null; |
| } |
| return new LinkAddress(NetworkUtils.numericToInetAddress(ipAddress), prefixLength); |
| } |
| |
| public LinkProperties makeLinkProperties() { |
| LinkProperties p = new LinkProperties(); |
| p.addLinkAddress(makeLinkAddress()); |
| if (TextUtils.isEmpty(gateway) == false) { |
| p.addGateway(NetworkUtils.numericToInetAddress(gateway)); |
| } |
| if (TextUtils.isEmpty(dns1) == false) { |
| p.addDns(NetworkUtils.numericToInetAddress(dns1)); |
| } else { |
| Log.d(TAG, "makeLinkProperties with empty dns1!"); |
| } |
| if (TextUtils.isEmpty(dns2) == false) { |
| p.addDns(NetworkUtils.numericToInetAddress(dns2)); |
| } else { |
| Log.d(TAG, "makeLinkProperties with empty dns2!"); |
| } |
| return p; |
| } |
| |
| public String toString() { |
| return "addr: " + ipAddress + "/" + prefixLength + |
| " gateway: " + gateway + |
| " dns: " + dns1 + "," + dns2 + |
| " dhcpServer: " + serverAddress + |
| " leaseDuration: " + leaseDuration; |
| } |
| } |