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      1 /*
      2  * Copyright (C) 2016 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.server.am;
     18 
     19 import android.app.IInstrumentationWatcher;
     20 import android.content.ComponentName;
     21 import android.os.Bundle;
     22 import android.os.Process;
     23 import android.os.RemoteException;
     24 import android.util.Slog;
     25 
     26 import java.util.ArrayList;
     27 
     28 public class InstrumentationReporter {
     29     static final boolean DEBUG = false;
     30     static final String TAG = ActivityManagerDebugConfig.TAG_AM;
     31 
     32     static final int REPORT_TYPE_STATUS = 0;
     33     static final int REPORT_TYPE_FINISHED = 1;
     34 
     35     final Object mLock = new Object();
     36     ArrayList<Report> mPendingReports;
     37     Thread mThread;
     38 
     39     final class MyThread extends Thread {
     40         public MyThread() {
     41             super("InstrumentationReporter");
     42             if (DEBUG) Slog.d(TAG, "Starting InstrumentationReporter: " + this);
     43         }
     44 
     45         @Override
     46         public void run() {
     47             Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
     48             boolean waited = false;
     49             while (true) {
     50                 ArrayList<Report> reports;
     51                 synchronized (mLock) {
     52                     reports = mPendingReports;
     53                     mPendingReports = null;
     54                     if (reports == null || reports.isEmpty()) {
     55                         if (!waited) {
     56                             // Sleep for a little bit, to avoid thrashing through threads.
     57                             try {
     58                                 mLock.wait(10000); // 10 seconds
     59                             } catch (InterruptedException e) {
     60                             }
     61                             waited = true;
     62                             continue;
     63                         } else {
     64                             mThread = null;
     65                             if (DEBUG) Slog.d(TAG, "Exiting InstrumentationReporter: " + this);
     66                             return;
     67                         }
     68                     }
     69                 }
     70 
     71                 waited = false;
     72 
     73                 for (int i=0; i<reports.size(); i++) {
     74                     final Report rep = reports.get(i);
     75                     try {
     76                         if (rep.mType == REPORT_TYPE_STATUS) {
     77                             if (DEBUG) Slog.d(TAG, "Dispatch status to " + rep.mWatcher
     78                                     + ": " + rep.mName.flattenToShortString()
     79                                     + " code=" + rep.mResultCode + " result=" + rep.mResults);
     80                             rep.mWatcher.instrumentationStatus(rep.mName, rep.mResultCode,
     81                                     rep.mResults);
     82                         } else {
     83                             if (DEBUG) Slog.d(TAG, "Dispatch finished to " + rep.mWatcher
     84                                     + ": " + rep.mName.flattenToShortString()
     85                                     + " code=" + rep.mResultCode + " result=" + rep.mResults);
     86                             rep.mWatcher.instrumentationFinished(rep.mName, rep.mResultCode,
     87                                     rep.mResults);
     88                         }
     89                     } catch (RemoteException e) {
     90                         Slog.i(TAG, "Failure reporting to instrumentation watcher: comp="
     91                                 + rep.mName + " results=" + rep.mResults);
     92                     }
     93                 }
     94             }
     95         }
     96     }
     97 
     98     final class Report {
     99         final int mType;
    100         final IInstrumentationWatcher mWatcher;
    101         final ComponentName mName;
    102         final int mResultCode;
    103         final Bundle mResults;
    104 
    105         Report(int type, IInstrumentationWatcher watcher, ComponentName name, int resultCode,
    106                 Bundle results) {
    107             mType = type;
    108             mWatcher = watcher;
    109             mName = name;
    110             mResultCode = resultCode;
    111             mResults = results;
    112         }
    113     }
    114 
    115     public void reportStatus(IInstrumentationWatcher watcher, ComponentName name, int resultCode,
    116             Bundle results) {
    117         if (DEBUG) Slog.d(TAG, "Report status to " + watcher
    118                 + ": " + name.flattenToShortString()
    119                 + " code=" + resultCode + " result=" + results);
    120         report(new Report(REPORT_TYPE_STATUS, watcher, name, resultCode, results));
    121     }
    122 
    123     public void reportFinished(IInstrumentationWatcher watcher, ComponentName name, int resultCode,
    124             Bundle results) {
    125         if (DEBUG) Slog.d(TAG, "Report finished to " + watcher
    126                 + ": " + name.flattenToShortString()
    127                 + " code=" + resultCode + " result=" + results);
    128         report(new Report(REPORT_TYPE_FINISHED, watcher, name, resultCode, results));
    129     }
    130 
    131     private void report(Report report) {
    132         synchronized (mLock) {
    133             if (mThread == null) {
    134                 mThread = new MyThread();
    135                 mThread.start();
    136             }
    137             if (mPendingReports == null) {
    138                 mPendingReports = new ArrayList<>();
    139             }
    140             mPendingReports.add(report);
    141             mLock.notifyAll();
    142         }
    143     }
    144 }
    145