ZenLog.java revision 6ae82a747c77fbdba45d2deaf127ef068c294aa1 
1/**
2 * Copyright (c) 2014, 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.notification;
18
19import android.content.ComponentName;
20import android.media.AudioManager;
21import android.net.Uri;
22import android.os.Build;
23import android.os.RemoteException;
24import android.provider.Settings.Global;
25import android.service.notification.IConditionProvider;
26import android.service.notification.ZenModeConfig;
27import android.util.Slog;
28
29import java.io.PrintWriter;
30import java.text.SimpleDateFormat;
31import java.util.Arrays;
32import java.util.Date;
33
34public class ZenLog {
35    private static final String TAG = "ZenLog";
36
37    private static final int SIZE = Build.IS_DEBUGGABLE ? 100 : 20;
38
39    private static final long[] TIMES = new long[SIZE];
40    private static final int[] TYPES = new int[SIZE];
41    private static final String[] MSGS = new String[SIZE];
42
43    private static final SimpleDateFormat FORMAT = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");
44
45    private static final int TYPE_INTERCEPTED = 1;
46    private static final int TYPE_ALLOW_DISABLE = 2;
47    private static final int TYPE_SET_RINGER_MODE = 3;
48    private static final int TYPE_DOWNTIME = 4;
49    private static final int TYPE_ZEN_MODE = 5;
50    private static final int TYPE_EXIT_CONDITION = 6;
51    private static final int TYPE_SUBSCRIBE = 7;
52    private static final int TYPE_UNSUBSCRIBE = 8;
53    private static final int TYPE_CONFIG = 9;
54
55    private static int sNext;
56    private static int sSize;
57
58    public static void traceIntercepted(NotificationRecord record, String reason) {
59        if (record != null && record.isIntercepted()) return;  // already logged
60        append(TYPE_INTERCEPTED, record.getKey() + "," + reason);
61    }
62
63    public static void traceAllowDisable(String pkg, boolean allowDisable, String reason) {
64        append(TYPE_ALLOW_DISABLE, allowDisable + "," + pkg + "," + reason);
65    }
66
67    public static void traceSetRingerMode(int ringerMode) {
68        append(TYPE_SET_RINGER_MODE, ringerModeToString(ringerMode));
69    }
70
71    public static void traceDowntime(boolean enter, int day, int[] days) {
72        append(TYPE_DOWNTIME, enter + ",day=" + day + ",days=" + (days != null ? Arrays.asList(days)
73                : null));
74    }
75
76    public static void traceUpdateZenMode(int fromMode, int toMode) {
77        append(TYPE_ZEN_MODE, zenModeToString(fromMode) + " -> " + zenModeToString(toMode));
78    }
79
80    public static void traceExitCondition(Uri id, ComponentName component, String reason) {
81        append(TYPE_EXIT_CONDITION, id + "," + componentToString(component) + "," + reason);
82    }
83
84    public static void traceSubscribe(Uri uri, IConditionProvider provider, RemoteException e) {
85        append(TYPE_SUBSCRIBE, uri + "," + subscribeResult(provider, e));
86    }
87
88    public static void traceUnsubscribe(Uri uri, IConditionProvider provider, RemoteException e) {
89        append(TYPE_UNSUBSCRIBE, uri + "," + subscribeResult(provider, e));
90    }
91
92    public static void traceConfig(ZenModeConfig oldConfig, ZenModeConfig newConfig) {
93        append(TYPE_CONFIG, newConfig != null ? newConfig.toString() : null);
94    }
95
96    private static String subscribeResult(IConditionProvider provider, RemoteException e) {
97        return provider == null ? "no provider" : e != null ? e.getMessage() : "ok";
98    }
99
100    private static String typeToString(int type) {
101        switch (type) {
102            case TYPE_INTERCEPTED: return "intercepted";
103            case TYPE_ALLOW_DISABLE: return "allow_disable";
104            case TYPE_SET_RINGER_MODE: return "set_ringer_mode";
105            case TYPE_DOWNTIME: return "downtime";
106            case TYPE_ZEN_MODE: return "zen_mode";
107            case TYPE_EXIT_CONDITION: return "exit_condition";
108            case TYPE_SUBSCRIBE: return "subscribe";
109            case TYPE_UNSUBSCRIBE: return "unsubscribe";
110            case TYPE_CONFIG: return "config";
111            default: return "unknown";
112        }
113    }
114
115    private static String ringerModeToString(int ringerMode) {
116        switch (ringerMode) {
117            case AudioManager.RINGER_MODE_SILENT: return "silent";
118            case AudioManager.RINGER_MODE_VIBRATE: return "vibrate";
119            case AudioManager.RINGER_MODE_NORMAL: return "normal";
120            default: return "unknown";
121        }
122    }
123
124    private static String zenModeToString(int zenMode) {
125        switch (zenMode) {
126            case Global.ZEN_MODE_OFF: return "off";
127            case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS: return "important_interruptions";
128            case Global.ZEN_MODE_NO_INTERRUPTIONS: return "no_interruptions";
129            default: return "unknown";
130        }
131    }
132
133    private static String componentToString(ComponentName component) {
134        return component != null ? component.toShortString() : null;
135    }
136
137    private static void append(int type, String msg) {
138        synchronized(MSGS) {
139            TIMES[sNext] = System.currentTimeMillis();
140            TYPES[sNext] = type;
141            MSGS[sNext] = msg;
142            sNext = (sNext + 1) % SIZE;
143            if (sSize < SIZE) {
144                sSize++;
145            }
146        }
147        Slog.d(TAG, typeToString(type) + ": " + msg);
148    }
149
150    public static void dump(PrintWriter pw, String prefix) {
151        synchronized(MSGS) {
152            final int start = (sNext - sSize + SIZE) % SIZE;
153            for (int i = 0; i < sSize; i++) {
154                final int j = (start + i) % SIZE;
155                pw.print(prefix);
156                pw.print(FORMAT.format(new Date(TIMES[j])));
157                pw.print(' ');
158                pw.print(typeToString(TYPES[j]));
159                pw.print(": ");
160                pw.println(MSGS[j]);
161            }
162        }
163    }
164}
165