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
17package com.android.server.am;
18
19import android.app.IInstrumentationWatcher;
20import android.content.ComponentName;
21import android.os.Bundle;
22import android.os.Process;
23import android.os.RemoteException;
24import android.util.Slog;
25
26import java.util.ArrayList;
27
28public 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