Merge "Remove IpClientCallbacks dependency on DhcpResults" into rvc-dev (0109b8da) · Commits · e / os / android_frameworks_base

services/net/java/android/net/ip/IpClientCallbacks.java

+9 −14

Original line number	Diff line number	Diff line
		@@ -16,7 +16,6 @@

		package android.net.ip;

		import android.net.DhcpResults;
		import android.net.DhcpResultsParcelable;
		import android.net.Layer2PacketParcelable;
		import android.net.LinkProperties;
		@@ -67,19 +66,15 @@ public class IpClientCallbacks {
		* <p>DHCPv4 or static IPv4 configuration failure or success can be determined by whether or not
		* the passed-in DhcpResults object is null.
		*/
		public void onNewDhcpResults(DhcpResults dhcpResults) {}

		/**
		* Callback called when new DHCP results are available.
		*
		* <p>This is purely advisory and not an indication of provisioning success or failure. This is
		* only here for callers that want to expose DHCPv4 results to other APIs
		* (e.g., WifiInfo#setInetAddress).
		*
		* <p>DHCPv4 or static IPv4 configuration failure or success can be determined by whether or not
		* the passed-in DhcpResults object is null.
		*/
		public void onNewDhcpResults(DhcpResultsParcelable dhcpResults) {}
		public void onNewDhcpResults(DhcpResultsParcelable dhcpResults) {
		// In general callbacks would not use a parcelable directly (DhcpResultsParcelable), and
		// would use a wrapper instead. But there are already two classes in the tree for DHCP
		// information: DhcpInfo and DhcpResults, and each of them do not expose an appropriate API
		// (they are bags of mutable fields and can't be changed because they are public API and
		// @UnsupportedAppUsage). Adding a third class would cost more than the gain considering
		// that the only client of this callback is WiFi, which will end up converting the results
		// to DhcpInfo anyway.
		}

		/**
		* Indicates that provisioning was successful.

services/net/java/android/net/ip/IpClientUtil.java

+0 −3

Original line number	Diff line number	Diff line
		@@ -16,8 +16,6 @@

		package android.net.ip;

		import static android.net.shared.IpConfigurationParcelableUtil.fromStableParcelable;

		import android.content.Context;
		import android.net.DhcpResultsParcelable;
		import android.net.Layer2PacketParcelable;
		@@ -118,7 +116,6 @@ public class IpClientUtil {
		// null or not.
		@Override
		public void onNewDhcpResults(DhcpResultsParcelable dhcpResults) {
		mCb.onNewDhcpResults(fromStableParcelable(dhcpResults));
		mCb.onNewDhcpResults(dhcpResults);
		}

services/net/java/android/net/util/DhcpResultsCompatUtil.java

0 → 100644

+54 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2020 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.util;

		import static android.net.shared.IpConfigurationParcelableUtil.unparcelAddress;

		import android.annotation.Nullable;
		import android.net.DhcpResults;
		import android.net.DhcpResultsParcelable;

		import java.net.Inet4Address;

		/**
		* Compatibility utility for code that still uses DhcpResults.
		*
		* TODO: remove this class when all usages of DhcpResults (including Wifi in AOSP) are removed.
		*/
		public class DhcpResultsCompatUtil {

		/**
		* Convert a DhcpResultsParcelable to DhcpResults.
		*
		* contract {
		* returns(null) implies p == null
		* returnsNotNull() implies p != null
		* }
		*/
		@Nullable
		public static DhcpResults fromStableParcelable(@Nullable DhcpResultsParcelable p) {
		if (p == null) return null;
		final DhcpResults results = new DhcpResults(p.baseConfiguration);
		results.leaseDuration = p.leaseDuration;
		results.mtu = p.mtu;
		results.serverAddress = (Inet4Address) unparcelAddress(p.serverAddress);
		results.vendorInfo = p.vendorInfo;
		results.serverHostName = p.serverHostName;
		results.captivePortalApiUrl = p.captivePortalApiUrl;
		return results;
		}
		}