Merge "Create StatsBootstrapAtomService" am: e9f913aee8 (c2566e65) · Commits · e / os / android_frameworks_base

core/java/android/content/Context.java

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		@@ -5461,6 +5461,12 @@ public abstract class Context {
		*/
		public static final String STATS_COMPANION_SERVICE = "statscompanion";

		/**
		* Service to assist statsd in logging atoms from bootstrap atoms.
		* @hide
		*/
		public static final String STATS_BOOTSTRAP_ATOM_SERVICE = "statsbootstrap";

		/**
		* Use with {@link #getSystemService(String)} to retrieve an {@link android.app.StatsManager}.
		* @hide

core/java/android/os/IStatsBootstrapAtomService.aidl

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		/*
		* Copyright 2021, 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.os;

		import android.os.StatsBootstrapAtom;

		/**
		* IBootstrapAtomService interface exposes an interface for processes that launch in the
		* bootstrap namespace to push atoms to statsd.
		*
		* @hide
		*/
		oneway interface IStatsBootstrapAtomService {
		/**
		* Push an atom to StatsBootstrapAtomService, which will forward it to statsd.
		*
		* @param atom - parcelled representation of the atom to log.
		*
		* Errors are reported as service specific errors.
		*/
		void reportBootstrapAtom(in StatsBootstrapAtom atom);
		}
		No newline at end of file

core/java/android/os/StatsBootstrapAtom.aidl

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		/*
		* Copyright 2021, 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.os;

		import android.os.StatsBootstrapAtomValue;

		/*
		* Generic encapsulation of an atom for bootstrap processes to log.
		*
		* @hide
		*/
		parcelable StatsBootstrapAtom {
		/*
		* Atom ID. Must be between 1 - 10,000.
		*/
		int atomId;
		/*
		* Vector of fields in the order of the atom definition.
		*/
		StatsBootstrapAtomValue[] values;
		}
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core/java/android/os/StatsBootstrapAtomValue.aidl

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		/*
		* Copyright 2021, 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.os;
		/*
		* Supported field types.
		*
		* @hide
		*/
		union StatsBootstrapAtomValue {
		boolean boolValue;
		int intValue;
		long longValue;
		float floatValue;
		String stringValue;
		byte[] bytesValue;
		}
		No newline at end of file

services/core/java/com/android/server/stats/bootstrap/StatsBootstrapAtomService.java

0 → 100644

+98 −0

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		/*
		* Copyright (C) 2021 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 com.android.server.stats.bootstrap;

		import android.content.Context;
		import android.os.IStatsBootstrapAtomService;
		import android.os.StatsBootstrapAtom;
		import android.os.StatsBootstrapAtomValue;
		import android.util.Slog;
		import android.util.StatsEvent;
		import android.util.StatsLog;

		import com.android.server.SystemService;

		/**
		* Proxy service for logging pushed atoms to statsd
		*
		* @hide
		*/
		public class StatsBootstrapAtomService extends IStatsBootstrapAtomService.Stub {

		private static final String TAG = "StatsBootstrapAtomService";
		private static final boolean DEBUG = false;

		@Override
		public void reportBootstrapAtom(StatsBootstrapAtom atom) {
		if (atom.atomId < 1 \|\| atom.atomId >= 10000) {
		Slog.e(TAG, "Atom ID " + atom.atomId + " is not a valid atom ID");
		return;
		}
		StatsEvent.Builder builder = StatsEvent.newBuilder().setAtomId(atom.atomId);
		for (StatsBootstrapAtomValue value : atom.values) {
		switch (value.getTag()) {
		case StatsBootstrapAtomValue.boolValue:
		builder.writeBoolean(value.getBoolValue());
		break;
		case StatsBootstrapAtomValue.intValue:
		builder.writeInt(value.getIntValue());
		break;
		case StatsBootstrapAtomValue.longValue:
		builder.writeLong(value.getLongValue());
		break;
		case StatsBootstrapAtomValue.floatValue:
		builder.writeFloat(value.getFloatValue());
		break;
		case StatsBootstrapAtomValue.stringValue:
		builder.writeString(value.getStringValue());
		break;
		case StatsBootstrapAtomValue.bytesValue:
		builder.writeByteArray(value.getBytesValue());
		break;
		default:
		Slog.e(TAG, "Unexpected value type " + value.getTag()
		+ " when logging atom " + atom.atomId);
		return;

		}
		}
		StatsLog.write(builder.usePooledBuffer().build());
		}

		/**
		* Lifecycle and related code
		*/
		public static final class Lifecycle extends SystemService {
		private StatsBootstrapAtomService mStatsBootstrapAtomService;

		public Lifecycle(Context context) {
		super(context);
		}

		@Override
		public void onStart() {
		mStatsBootstrapAtomService = new StatsBootstrapAtomService();
		try {
		publishBinderService(Context.STATS_BOOTSTRAP_ATOM_SERVICE,
		mStatsBootstrapAtomService);
		if (DEBUG) Slog.d(TAG, "Published " + Context.STATS_BOOTSTRAP_ATOM_SERVICE);
		} catch (Exception e) {
		Slog.e(TAG, "Failed to publishBinderService", e);
		}
		}
		}

		}