diff --git a/services/core/java/com/android/server/power/PowerManagerService.java b/services/core/java/com/android/server/power/PowerManagerService.java index a60dae7c79143..cf597b052c108 100644 --- a/services/core/java/com/android/server/power/PowerManagerService.java +++ b/services/core/java/com/android/server/power/PowerManagerService.java @@ -46,6 +46,8 @@ import android.os.PowerManagerInternal; import android.os.PowerSaveState; import android.os.Process; import android.os.RemoteException; +import android.os.ResultReceiver; +import android.os.ShellCallback; import android.os.SystemClock; import android.os.SystemProperties; import android.os.Trace; @@ -4027,6 +4029,14 @@ public final class PowerManagerService extends SystemService } private final class BinderService extends IPowerManager.Stub { + @Override + public void onShellCommand(FileDescriptor in, FileDescriptor out, + FileDescriptor err, String[] args, ShellCallback callback, + ResultReceiver resultReceiver) { + (new PowerManagerShellCommand(this)).exec( + this, in, out, err, args, callback, resultReceiver); + } + @Override // Binder call public void acquireWakeLockWithUid(IBinder lock, int flags, String tag, String packageName, int uid) { diff --git a/services/core/java/com/android/server/power/PowerManagerShellCommand.java b/services/core/java/com/android/server/power/PowerManagerShellCommand.java new file mode 100644 index 0000000000000..46115d8edd238 --- /dev/null +++ b/services/core/java/com/android/server/power/PowerManagerShellCommand.java @@ -0,0 +1,81 @@ +/* + * Copyright (C) 2017 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.power; + +import android.content.Intent; +import android.os.IPowerManager; +import android.os.RemoteException; +import android.os.ShellCommand; + +import java.io.PrintWriter; + +class PowerManagerShellCommand extends ShellCommand { + private static final int LOW_POWER_MODE_ON = 1; + + final IPowerManager mInterface; + + PowerManagerShellCommand(IPowerManager service) { + mInterface = service; + } + + @Override + public int onCommand(String cmd) { + if (cmd == null) { + return handleDefaultCommands(cmd); + } + + final PrintWriter pw = getOutPrintWriter(); + try { + switch(cmd) { + case "set-mode": + return runSetMode(); + default: + return handleDefaultCommands(cmd); + } + } catch (RemoteException e) { + pw.println("Remote exception: " + e); + } + return -1; + } + + private int runSetMode() throws RemoteException { + final PrintWriter pw = getOutPrintWriter(); + int mode = -1; + try { + mode = Integer.parseInt(getNextArgRequired()); + } catch (RuntimeException ex) { + pw.println("Error: " + ex.toString()); + return -1; + } + mInterface.setPowerSaveMode(mode == LOW_POWER_MODE_ON); + return 0; + } + + @Override + public void onHelp() { + final PrintWriter pw = getOutPrintWriter(); + pw.println("Power manager (power) commands:"); + pw.println(" help"); + pw.println(" Print this help text."); + pw.println(""); + pw.println(" set-mode MODE"); + pw.println(" sets the power mode of the device to MODE."); + pw.println(" 1 turns low power mode on and 0 turns low power mode off."); + pw.println(); + Intent.printIntentArgsHelp(pw , ""); + } +}