Merge "Stop statically including IndentingPrintWriter in VCN service" into main

    name: "connectivity-utils-service-vcn-internal",

    name: "connectivity-utils-service-vcn-internal",

    sdk_version: "module_current",

    sdk_version: "module_current",

    min_sdk_version: "30",

    min_sdk_version: "30",

    srcs: [

    srcs: ["service-utils/**/*.java"],

        ":framework-connectivity-shared-srcs",

    ],

    libs: [

    libs: [

        "framework-annotations-lib",

        "framework-annotations-lib",

        "unsupportedappusage",

        "unsupportedappusage",

/*

 * Copyright (C) 2025 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.util;

import android.compat.annotation.UnsupportedAppUsage;

import android.os.Build;

import android.os.SystemClock;

import java.io.FileDescriptor;

import java.io.PrintWriter;

import java.time.Duration;

import java.time.Instant;

import java.time.LocalDateTime;

import java.util.ArrayDeque;

import java.util.Deque;

import java.util.Iterator;

/**

 * @hide

 */

// Exported to Mainline modules; cannot use annotations

// @android.ravenwood.annotation.RavenwoodKeepWholeClass

// TODO: b/374174952 This is an exact copy of frameworks/base/core/java/android/util/LocalLog.java.

// This file is only used in "service-connectivity-b-platform" before the VCN modularization flag

// is fully ramped. When the flag is fully ramped and the development is finalized, this file can

// be removed.

public final class LocalLog {

    private final Deque<String> mLog;

    private final int mMaxLines;

    /**

     * {@code true} to use log timestamps expressed in local date/time, {@code false} to use log

     * timestamped expressed with the elapsed realtime clock and UTC system clock. {@code false} is

     * useful when logging behavior that modifies device time zone or system clock.

     */

    private final boolean mUseLocalTimestamps;

    @UnsupportedAppUsage

    public LocalLog(int maxLines) {

        this(maxLines, true /* useLocalTimestamps */);

    }

    public LocalLog(int maxLines, boolean useLocalTimestamps) {

        mMaxLines = Math.max(0, maxLines);

        mLog = new ArrayDeque<>(mMaxLines);

        mUseLocalTimestamps = useLocalTimestamps;

    }

    @UnsupportedAppUsage

    public void log(String msg) {

        if (mMaxLines <= 0) {

            return;

        }

        final String logLine;

        if (mUseLocalTimestamps) {

            logLine = LocalDateTime.now() + " - " + msg;

        } else {

            logLine = Duration.ofMillis(SystemClock.elapsedRealtime())

                    + " / " + Instant.now() + " - " + msg;

        }

        append(logLine);

    }

    private synchronized void append(String logLine) {

        while (mLog.size() >= mMaxLines) {

            mLog.remove();

        }

        mLog.add(logLine);

    }

    @UnsupportedAppUsage

    public synchronized void dump(FileDescriptor fd, PrintWriter pw, String[] args) {

        dump(pw);

    }

    public synchronized void dump(PrintWriter pw) {

        dump("", pw);

    }

    /**

     * Dumps the content of local log to print writer with each log entry predeced with indent

     *

     * @param indent indent that precedes each log entry

     * @param pw printer writer to write into

     */

    public synchronized void dump(String indent, PrintWriter pw) {

        Iterator<String> itr = mLog.iterator();

        while (itr.hasNext()) {

            pw.printf("%s%s\n", indent, itr.next());

        }

    }

    public synchronized void reverseDump(FileDescriptor fd, PrintWriter pw, String[] args) {

        reverseDump(pw);

    }

    public synchronized void reverseDump(PrintWriter pw) {

        Iterator<String> itr = mLog.descendingIterator();

        while (itr.hasNext()) {

            pw.println(itr.next());

        }

    }

    // @VisibleForTesting(otherwise = VisibleForTesting.NONE)

    public synchronized void clear() {

        mLog.clear();

    }

    public static class ReadOnlyLocalLog {

        private final LocalLog mLog;

        ReadOnlyLocalLog(LocalLog log) {

            mLog = log;

        }

        @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)

        public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {

            mLog.dump(pw);

        }

        public void dump(PrintWriter pw) {

            mLog.dump(pw);

        }

        public void reverseDump(FileDescriptor fd, PrintWriter pw, String[] args) {

            mLog.reverseDump(pw);

        }

        public void reverseDump(PrintWriter pw) {

            mLog.reverseDump(pw);

        }

    }

    @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)

    public ReadOnlyLocalLog readOnlyLocalLog() {

        return new ReadOnlyLocalLog(this);

    }

}

 No newline at end of file

/*

 * Copyright (C) 2025 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.internal.util;

import android.app.AlarmManager;

import android.content.Context;

import android.os.Handler;

import android.os.Message;

import com.android.internal.annotations.VisibleForTesting;

 /**

 * An AlarmListener that sends the specified message to a Handler and keeps the system awake until

 * the message is processed.

 *

 * This is useful when using the AlarmManager direct callback interface to wake up the system and

 * request that an object whose API consists of messages (such as a StateMachine) perform some

 * action.

 *

 * In this situation, using AlarmManager.onAlarmListener by itself will wake up the system to send

 * the message, but does not guarantee that the system will be awake until the target object has

 * processed it. This is because as soon as the onAlarmListener sends the message and returns, the

 * AlarmManager releases its wakelock and the system is free to go to sleep again.

 */

// TODO: b/374174952 This is an exact copy of

// frameworks/base/core/java/com/android/internal/util/WakeupMessage.java.

// This file is only used in "service-connectivity-b-platform" before the VCN modularization flag

// is fully ramped. When the flag is fully ramped and the development is finalized, this file can

// be removed.

public class WakeupMessage implements AlarmManager.OnAlarmListener {

    private final AlarmManager mAlarmManager;

    @VisibleForTesting

    protected final Handler mHandler;

    @VisibleForTesting

    protected final String mCmdName;

    @VisibleForTesting

    protected final int mCmd, mArg1, mArg2;

    @VisibleForTesting

    protected final Object mObj;

    private final Runnable mRunnable;

    private boolean mScheduled;

    public WakeupMessage(Context context, Handler handler,

            String cmdName, int cmd, int arg1, int arg2, Object obj) {

        mAlarmManager = getAlarmManager(context);

        mHandler = handler;

        mCmdName = cmdName;

        mCmd = cmd;

        mArg1 = arg1;

        mArg2 = arg2;

        mObj = obj;

        mRunnable = null;

    }

    public WakeupMessage(Context context, Handler handler, String cmdName, int cmd, int arg1) {

        this(context, handler, cmdName, cmd, arg1, 0, null);

    }

    public WakeupMessage(Context context, Handler handler,

            String cmdName, int cmd, int arg1, int arg2) {

        this(context, handler, cmdName, cmd, arg1, arg2, null);

    }

    public WakeupMessage(Context context, Handler handler, String cmdName, int cmd) {

        this(context, handler, cmdName, cmd, 0, 0, null);

    }

    public WakeupMessage(Context context, Handler handler, String cmdName, Runnable runnable) {

        mAlarmManager = getAlarmManager(context);

        mHandler = handler;

        mCmdName = cmdName;

        mCmd = 0;

        mArg1 = 0;

        mArg2 = 0;

        mObj = null;

        mRunnable = runnable;

    }

    private static AlarmManager getAlarmManager(Context context) {

        return (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);

    }

    /**

     * Schedule the message to be delivered at the time in milliseconds of the

     * {@link android.os.SystemClock#elapsedRealtime SystemClock.elapsedRealtime()} clock and wakeup

     * the device when it goes off. If schedule is called multiple times without the message being

     * dispatched then the alarm is rescheduled to the new time.

     */

    public synchronized void schedule(long when) {

        mAlarmManager.setExact(

                AlarmManager.ELAPSED_REALTIME_WAKEUP, when, mCmdName, this, mHandler);

        mScheduled = true;

    }

    /**

     * Cancel all pending messages. This includes alarms that may have been fired, but have not been

     * run on the handler yet.

     */

    public synchronized void cancel() {

        if (mScheduled) {

            mAlarmManager.cancel(this);

            mScheduled = false;

        }

    }

    @Override

    public void onAlarm() {

        // Once this method is called the alarm has already been fired and removed from

        // AlarmManager (it is still partially tracked, but only for statistics). The alarm can now

        // be marked as unscheduled so that it can be rescheduled in the message handler.

        final boolean stillScheduled;

        synchronized (this) {

            stillScheduled = mScheduled;

            mScheduled = false;

        }

        if (stillScheduled) {

            Message msg;

            if (mRunnable == null) {

                msg = mHandler.obtainMessage(mCmd, mArg1, mArg2, mObj);

            } else {

                msg = Message.obtain(mHandler, mRunnable);

            }

            mHandler.dispatchMessage(msg);

            msg.recycle();

        }

    }

}

 No newline at end of file

rule android.util.IndentingPrintWriter android.net.vcn.module.repackaged.android.util.IndentingPrintWriter

rule android.util.LocalLog android.net.vcn.module.repackaged.android.util.LocalLog

rule android.util.LocalLog android.net.vcn.module.repackaged.android.util.LocalLog

rule com.android.internal.util.IndentingPrintWriter android.net.vcn.module.repackaged.com.android.internal.util.IndentingPrintWriter

rule com.android.internal.util.MessageUtils android.net.vcn.module.repackaged.com.android.internal.util.MessageUtils

rule com.android.internal.util.WakeupMessage android.net.vcn.module.repackaged.com.android.internal.util.WakeupMessage

rule com.android.internal.util.WakeupMessage android.net.vcn.module.repackaged.com.android.internal.util.WakeupMessage

 No newline at end of file