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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.Binder;
22 import android.os.Bundle;
23 import android.os.Process;
24 import android.os.RemoteException;
25 import android.util.Slog;
26 
27 import java.util.ArrayList;
28 
29 public class InstrumentationReporter {
30     static final boolean DEBUG = false;
31     static final String TAG = ActivityManagerDebugConfig.TAG_AM;
32 
33     static final int REPORT_TYPE_STATUS = 0;
34     static final int REPORT_TYPE_FINISHED = 1;
35 
36     final Object mLock = new Object();
37     ArrayList<Report> mPendingReports;
38     Thread mThread;
39 
40     final class MyThread extends Thread {
MyThread()41         public MyThread() {
42             super("InstrumentationReporter");
43             if (DEBUG) Slog.d(TAG, "Starting InstrumentationReporter: " + this);
44         }
45 
46         @Override
run()47         public void run() {
48             Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT);
49             boolean waited = false;
50             while (true) {
51                 ArrayList<Report> reports;
52                 synchronized (mLock) {
53                     reports = mPendingReports;
54                     mPendingReports = null;
55                     if (reports == null || reports.isEmpty()) {
56                         if (!waited) {
57                             // Sleep for a little bit, to avoid thrashing through threads.
58                             try {
59                                 mLock.wait(10000); // 10 seconds
60                             } catch (InterruptedException e) {
61                             }
62                             waited = true;
63                             continue;
64                         } else {
65                             mThread = null;
66                             if (DEBUG) Slog.d(TAG, "Exiting InstrumentationReporter: " + this);
67                             return;
68                         }
69                     }
70                 }
71 
72                 waited = false;
73 
74                 for (int i=0; i<reports.size(); i++) {
75                     final Report rep = reports.get(i);
76                     try {
77                         if (rep.mType == REPORT_TYPE_STATUS) {
78                             if (DEBUG) Slog.d(TAG, "Dispatch status to " + rep.mWatcher
79                                     + ": " + rep.mName.flattenToShortString()
80                                     + " code=" + rep.mResultCode + " result=" + rep.mResults);
81                             rep.mWatcher.instrumentationStatus(rep.mName, rep.mResultCode,
82                                     rep.mResults);
83                         } else {
84                             if (DEBUG) Slog.d(TAG, "Dispatch finished to " + rep.mWatcher
85                                     + ": " + rep.mName.flattenToShortString()
86                                     + " code=" + rep.mResultCode + " result=" + rep.mResults);
87                             rep.mWatcher.instrumentationFinished(rep.mName, rep.mResultCode,
88                                     rep.mResults);
89                         }
90                     } catch (RemoteException e) {
91                         Slog.i(TAG, "Failure reporting to instrumentation watcher: comp="
92                                 + rep.mName + " results=" + rep.mResults);
93                     }
94                 }
95             }
96         }
97     }
98 
99     final class Report {
100         final int mType;
101         final IInstrumentationWatcher mWatcher;
102         final ComponentName mName;
103         final int mResultCode;
104         final Bundle mResults;
105 
Report(int type, IInstrumentationWatcher watcher, ComponentName name, int resultCode, Bundle results)106         Report(int type, IInstrumentationWatcher watcher, ComponentName name, int resultCode,
107                 Bundle results) {
108             mType = type;
109             mWatcher = watcher;
110             mName = name;
111             mResultCode = resultCode;
112             mResults = results;
113 
114             Binder.allowBlocking(mWatcher.asBinder());
115         }
116     }
117 
reportStatus(IInstrumentationWatcher watcher, ComponentName name, int resultCode, Bundle results)118     public void reportStatus(IInstrumentationWatcher watcher, ComponentName name, int resultCode,
119             Bundle results) {
120         if (DEBUG) Slog.d(TAG, "Report status to " + watcher
121                 + ": " + name.flattenToShortString()
122                 + " code=" + resultCode + " result=" + results);
123         report(new Report(REPORT_TYPE_STATUS, watcher, name, resultCode, results));
124     }
125 
reportFinished(IInstrumentationWatcher watcher, ComponentName name, int resultCode, Bundle results)126     public void reportFinished(IInstrumentationWatcher watcher, ComponentName name, int resultCode,
127             Bundle results) {
128         if (DEBUG) Slog.d(TAG, "Report finished to " + watcher
129                 + ": " + name.flattenToShortString()
130                 + " code=" + resultCode + " result=" + results);
131         report(new Report(REPORT_TYPE_FINISHED, watcher, name, resultCode, results));
132     }
133 
report(Report report)134     private void report(Report report) {
135         synchronized (mLock) {
136             if (mThread == null) {
137                 mThread = new MyThread();
138                 mThread.start();
139             }
140             if (mPendingReports == null) {
141                 mPendingReports = new ArrayList<>();
142             }
143             mPendingReports.add(report);
144             mLock.notifyAll();
145         }
146     }
147 }
148