Add shell command to game service for interventions (6564ec2b) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/app/GameManagerService.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,8 @@ import android.os.Handler;
		import android.os.Looper;
		import android.os.Message;
		import android.os.Process;
		import android.os.ResultReceiver;
		import android.os.ShellCallback;
		import android.util.ArrayMap;
		import android.util.Log;
		import android.util.Slog;
		@@ -40,6 +42,8 @@ import com.android.internal.annotations.VisibleForTesting;
		import com.android.server.ServiceThread;
		import com.android.server.SystemService;

		import java.io.FileDescriptor;

		/**
		* Service to manage game related features.
		*
		@@ -72,6 +76,12 @@ public final class GameManagerService extends IGameManagerService.Stub {
		mHandler = new SettingsHandler(looper);
		}

		@Override
		public void onShellCommand(FileDescriptor in, FileDescriptor out, FileDescriptor err,
		String[] args, ShellCallback callback, ResultReceiver result) {
		new GameManagerShellCommand().exec(this, in, out, err, args, callback, result);
		}

		class SettingsHandler extends Handler {

		SettingsHandler(Looper looper) {

services/core/java/com/android/server/app/GameManagerShellCommand.java

0 → 100644

+136 −0

Original line number	Diff line number	Diff line
		/*
		* 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.app;

		import android.compat.Compatibility;
		import android.content.Context;
		import android.os.ServiceManager;
		import android.os.ShellCommand;
		import android.util.ArraySet;

		import com.android.internal.compat.CompatibilityChangeConfig;
		import com.android.server.compat.PlatformCompat;
		import com.android.server.wm.CompatModePackages;

		import java.io.PrintWriter;
		import java.util.Set;
		import java.util.stream.Collectors;

		/**
		* ShellCommands for GameManagerService.
		*
		* Use with {@code adb shell cmd game ...}.
		*/
		public class GameManagerShellCommand extends ShellCommand {

		public GameManagerShellCommand() {}

		private static final ArraySet<Long> DOWNSCALE_CHANGE_IDS = new ArraySet<>(new Long[]{
		CompatModePackages.DOWNSCALED,
		CompatModePackages.DOWNSCALE_90,
		CompatModePackages.DOWNSCALE_80,
		CompatModePackages.DOWNSCALE_70,
		CompatModePackages.DOWNSCALE_60,
		CompatModePackages.DOWNSCALE_50});

		@Override
		public int onCommand(String cmd) {
		if (cmd == null) {
		return handleDefaultCommands(cmd);
		}
		final PrintWriter pw = getOutPrintWriter();
		try {
		switch (cmd) {
		case "downscale":
		final String ratio = getNextArgRequired();
		final String packageName = getNextArgRequired();

		final long changeId;
		switch (ratio) {
		case "0.5":
		changeId = CompatModePackages.DOWNSCALE_50;
		break;
		case "0.6":
		changeId = CompatModePackages.DOWNSCALE_60;
		break;
		case "0.7":
		changeId = CompatModePackages.DOWNSCALE_70;
		break;
		case "0.8":
		changeId = CompatModePackages.DOWNSCALE_80;
		break;
		case "0.9":
		changeId = CompatModePackages.DOWNSCALE_90;
		break;
		case "disable":
		changeId = 0;
		break;
		default:
		changeId = -1;
		pw.println("Invalid scaling ratio '" + ratio + "'");
		break;
		}
		if (changeId == -1) {
		break;
		}

		Set<Long> enabled = new ArraySet<>();
		Set<Long> disabled;
		if (changeId == 0) {
		disabled = DOWNSCALE_CHANGE_IDS;
		} else {
		enabled.add(CompatModePackages.DOWNSCALED);
		enabled.add(changeId);
		disabled = DOWNSCALE_CHANGE_IDS.stream()
		.filter(it -> it != CompatModePackages.DOWNSCALED && it != changeId)
		.collect(Collectors.toSet());
		}

		final PlatformCompat platformCompat = (PlatformCompat)
		ServiceManager.getService(Context.PLATFORM_COMPAT_SERVICE);
		final CompatibilityChangeConfig overrides =
		new CompatibilityChangeConfig(
		new Compatibility.ChangeConfig(enabled, disabled));

		platformCompat.setOverrides(overrides, packageName);
		if (changeId == 0) {
		pw.println("Disable downscaling for " + packageName + ".");
		} else {
		pw.println("Enable downscaling ratio for " + packageName + " to " + ratio);
		}

		break;
		default:
		return handleDefaultCommands(cmd);
		}
		} catch (Exception e) {
		pw.println("Error: " + e);
		}
		return -1;
		}


		@Override
		public void onHelp() {
		PrintWriter pw = getOutPrintWriter();
		pw.println("Game manager (game) commands:");
		pw.println(" help");
		pw.println(" Print this help text.");
		pw.println(" downscale [0.5\|0.6\|0.7\|0.8\|0.9\|disable] <PACKAGE_NAME>");
		pw.println(" Force app to run at the specified scaling ratio.");
		}
		}