| /* |
| * 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 com.android.server.notification; |
| |
| import static com.android.server.notification.NotificationManagerService.REPORT_REMOTE_VIEWS; |
| |
| import android.os.ParcelFileDescriptor; |
| import android.service.notification.NotificationRemoteViewsProto; |
| import android.service.notification.PackageRemoteViewInfoProto; |
| import android.util.Slog; |
| import android.util.proto.ProtoOutputStream; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class PulledStats { |
| static final String TAG = "PulledStats"; |
| |
| private final long mTimePeriodStartMs; |
| private long mTimePeriodEndMs; |
| private List<String> mUndecoratedPackageNames; |
| |
| public PulledStats(long startMs) { |
| mTimePeriodEndMs = mTimePeriodStartMs = startMs; |
| mUndecoratedPackageNames = new ArrayList<>(); |
| } |
| |
| ParcelFileDescriptor toParcelFileDescriptor(int report) |
| throws IOException { |
| final ParcelFileDescriptor[] fds = ParcelFileDescriptor.createPipe(); |
| switch(report) { |
| case REPORT_REMOTE_VIEWS: |
| Thread thr = new Thread("NotificationManager pulled metric output") { |
| public void run() { |
| try { |
| FileOutputStream fout = new ParcelFileDescriptor.AutoCloseOutputStream( |
| fds[1]); |
| final ProtoOutputStream proto = new ProtoOutputStream(fout); |
| writeToProto(report, proto); |
| proto.flush(); |
| fout.close(); |
| } catch (IOException e) { |
| Slog.w(TAG, "Failure writing pipe", e); |
| } |
| } |
| }; |
| thr.start(); |
| break; |
| |
| default: |
| Slog.w(TAG, "Unknown pulled stats request: " + report); |
| break; |
| } |
| return fds[0]; |
| } |
| |
| /* |
| * @return the most recent timestamp in the report, as nanoseconds. |
| */ |
| public long endTimeMs() { |
| return mTimePeriodEndMs; |
| } |
| |
| public void dump(int report, PrintWriter pw, NotificationManagerService.DumpFilter filter) { |
| switch(report) { |
| case REPORT_REMOTE_VIEWS: |
| pw.print(" Packages with undecordated notifications ("); |
| pw.print(mTimePeriodStartMs); |
| pw.print(" - "); |
| pw.print(mTimePeriodEndMs); |
| pw.println("):"); |
| if (mUndecoratedPackageNames.size() == 0) { |
| pw.println(" none"); |
| } else { |
| for (String pkg : mUndecoratedPackageNames) { |
| if (!filter.filtered || pkg.equals(filter.pkgFilter)) { |
| pw.println(" " + pkg); |
| } |
| } |
| } |
| break; |
| |
| default: |
| pw.println("Unknown pulled stats request: " + report); |
| break; |
| } |
| } |
| |
| @VisibleForTesting |
| void writeToProto(int report, ProtoOutputStream proto) { |
| switch(report) { |
| case REPORT_REMOTE_VIEWS: |
| for (String pkg: mUndecoratedPackageNames) { |
| long token = proto.start(NotificationRemoteViewsProto.PACKAGE_REMOTE_VIEW_INFO); |
| proto.write(PackageRemoteViewInfoProto.PACKAGE_NAME, pkg); |
| proto.end(token); |
| } |
| break; |
| |
| default: |
| Slog.w(TAG, "Unknown pulled stats request: " + report); |
| break; |
| } |
| } |
| |
| public void addUndecoratedPackage(String packageName, long timestampMs) { |
| mUndecoratedPackageNames.add(packageName); |
| mTimePeriodEndMs = Math.max(mTimePeriodEndMs, timestampMs); |
| } |
| } |