Change NetworkTimeUpdateServiceImpl behavior (4ab8a199) · Commits · e / os / android_frameworks_base

core/java/android/app/timedetector/ITimeDetectorService.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package android.app.timedetector;

		import android.app.timedetector.ManualTimeSuggestion;
		import android.app.timedetector.NetworkTimeSuggestion;
		import android.app.timedetector.PhoneTimeSuggestion;

		/**
		@@ -35,4 +36,5 @@ import android.app.timedetector.PhoneTimeSuggestion;
		interface ITimeDetectorService {
		void suggestPhoneTime(in PhoneTimeSuggestion timeSuggestion);
		void suggestManualTime(in ManualTimeSuggestion timeSuggestion);
		void suggestNetworkTime(in NetworkTimeSuggestion timeSuggestion);
		}

core/java/android/app/timedetector/NetworkTimeSuggestion.aidl

0 → 100644

+19 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2019 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.app.timedetector;

		parcelable NetworkTimeSuggestion;

core/java/android/app/timedetector/NetworkTimeSuggestion.java

0 → 100644

+129 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2019 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.app.timedetector;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.os.Parcel;
		import android.os.Parcelable;
		import android.util.TimestampedValue;

		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.Collections;
		import java.util.List;
		import java.util.Objects;

		/**
		* A time signal from a network time source like NTP. The value consists of the number of
		* milliseconds elapsed since 1/1/1970 00:00:00 UTC and the time according to the elapsed realtime
		* clock when that number was established. The elapsed realtime clock is considered accurate but
		* volatile, so time signals must not be persisted across device resets.
		*
		* @hide
		*/
		public final class NetworkTimeSuggestion implements Parcelable {

		public static final @NonNull Creator<NetworkTimeSuggestion> CREATOR =
		new Creator<NetworkTimeSuggestion>() {
		public NetworkTimeSuggestion createFromParcel(Parcel in) {
		return NetworkTimeSuggestion.createFromParcel(in);
		}

		public NetworkTimeSuggestion[] newArray(int size) {
		return new NetworkTimeSuggestion[size];
		}
		};

		@NonNull
		private final TimestampedValue<Long> mUtcTime;
		@Nullable
		private ArrayList<String> mDebugInfo;

		public NetworkTimeSuggestion(@NonNull TimestampedValue<Long> utcTime) {
		mUtcTime = Objects.requireNonNull(utcTime);
		Objects.requireNonNull(utcTime.getValue());
		}

		private static NetworkTimeSuggestion createFromParcel(Parcel in) {
		TimestampedValue<Long> utcTime = in.readParcelable(null /* classLoader */);
		NetworkTimeSuggestion suggestion = new NetworkTimeSuggestion(utcTime);
		@SuppressWarnings("unchecked")
		ArrayList<String> debugInfo = (ArrayList<String>) in.readArrayList(null /* classLoader */);
		suggestion.mDebugInfo = debugInfo;
		return suggestion;
		}

		@Override
		public int describeContents() {
		return 0;
		}

		@Override
		public void writeToParcel(@NonNull Parcel dest, int flags) {
		dest.writeParcelable(mUtcTime, 0);
		dest.writeList(mDebugInfo);
		}

		@NonNull
		public TimestampedValue<Long> getUtcTime() {
		return mUtcTime;
		}

		@NonNull
		public List<String> getDebugInfo() {
		return mDebugInfo == null
		? Collections.emptyList() : Collections.unmodifiableList(mDebugInfo);
		}

		/**
		* Associates information with the instance that can be useful for debugging / logging. The
		* information is present in {@link #toString()} but is not considered for
		* {@link #equals(Object)} and {@link #hashCode()}.
		*/
		public void addDebugInfo(String... debugInfos) {
		if (mDebugInfo == null) {
		mDebugInfo = new ArrayList<>();
		}
		mDebugInfo.addAll(Arrays.asList(debugInfos));
		}

		@Override
		public boolean equals(Object o) {
		if (this == o) {
		return true;
		}
		if (o == null \|\| getClass() != o.getClass()) {
		return false;
		}
		NetworkTimeSuggestion that = (NetworkTimeSuggestion) o;
		return Objects.equals(mUtcTime, that.mUtcTime);
		}

		@Override
		public int hashCode() {
		return Objects.hash(mUtcTime);
		}

		@Override
		public String toString() {
		return "NetworkTimeSuggestion{"
		+ "mUtcTime=" + mUtcTime
		+ ", mDebugInfo=" + mDebugInfo
		+ '}';
		}
		}

core/java/android/app/timedetector/TimeDetector.java

+15 −0

Original line number	Diff line number	Diff line
		@@ -85,4 +85,19 @@ public class TimeDetector {
		manualTimeSuggestion.addDebugInfo(why);
		return manualTimeSuggestion;
		}

		/**
		* Suggests the time according to a network time source like NTP.
		*/
		@RequiresPermission(android.Manifest.permission.SET_TIME)
		public void suggestNetworkTime(NetworkTimeSuggestion timeSuggestion) {
		if (DEBUG) {
		Log.d(TAG, "suggestNetworkTime called: " + timeSuggestion);
		}
		try {
		mITimeDetectorService.suggestNetworkTime(timeSuggestion);
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}
		}

core/java/android/util/NtpTrustedTime.java

+18 −0

Original line number	Diff line number	Diff line
		@@ -175,4 +175,22 @@ public class NtpTrustedTime implements TrustedTime {
		public long getCachedNtpTimeReference() {
		return mCachedNtpElapsedRealtime;
		}

		/**
		* Returns the combination of {@link #getCachedNtpTime()} and {@link
		* #getCachedNtpTimeReference()} as a {@link TimestampedValue}. This method is useful when
		* passing the time to another component that will adjust for elapsed time.
		*
		* @throws IllegalStateException if there is no cached value
		*/
		@UnsupportedAppUsage
		public TimestampedValue<Long> getCachedNtpTimeSignal() {
		if (!mHasCache) {
		throw new IllegalStateException("Missing authoritative time source");
		}
		if (LOGD) Log.d(TAG, "currentTimeMillis() cache hit");

		return new TimestampedValue<>(mCachedNtpElapsedRealtime, mCachedNtpTime);
		}

		}