ZenLog.java revision 8c01d88208e17af01268ea01a08c46c2d2f96721 
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;
33import java.util.HashSet;
34import java.util.Set;
35
36public class ZenLog {
37    private static final String TAG = "ZenLog";
38
39    private static final int SIZE = Build.IS_DEBUGGABLE ? 100 : 20;
40
41    private static final long[] TIMES = new long[SIZE];
42    private static final int[] TYPES = new int[SIZE];
43    private static final String[] MSGS = new String[SIZE];
44
45    private static final SimpleDateFormat FORMAT = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");
46    private static final Set<String> SYSTEM_PACKAGES = new HashSet<String>(Arrays.asList(
47            "android",
48            "com.android.systemui"
49            ));
50
51    private static final int TYPE_INTERCEPTED = 1;
52    private static final int TYPE_ALLOW_DISABLE = 2;
53    private static final int TYPE_SET_RINGER_MODE = 3;
54    private static final int TYPE_DOWNTIME = 4;
55    private static final int TYPE_ZEN_MODE = 5;
56    private static final int TYPE_EXIT_CONDITION = 6;
57    private static final int TYPE_SUBSCRIBE = 7;
58    private static final int TYPE_UNSUBSCRIBE = 8;
59    private static final int TYPE_CONFIG = 9;
60    private static final int TYPE_FOLLOW_RINGER_MODE = 10;
61
62    private static int sNext;
63    private static int sSize;
64
65    public static void traceIntercepted(NotificationRecord record, String reason) {
66        if (record != null && record.isIntercepted()) return;  // already logged
67        append(TYPE_INTERCEPTED, record.getKey() + "," + reason);
68    }
69
70    public static void traceAllowDisable(String pkg, boolean allowDisable, String reason) {
71        if (SYSTEM_PACKAGES.contains(pkg)) return;
72        append(TYPE_ALLOW_DISABLE, allowDisable + "," + pkg + "," + reason);
73    }
74
75    public static void traceSetRingerMode(int ringerMode) {
76        append(TYPE_SET_RINGER_MODE, ringerModeToString(ringerMode));
77    }
78
79    public static void traceDowntime(boolean enter, int day, int[] days) {
80        append(TYPE_DOWNTIME, enter + ",day=" + day + ",days=" + (days != null ? Arrays.asList(days)
81                : null));
82    }
83
84    public static void traceUpdateZenMode(int fromMode, int toMode) {
85        append(TYPE_ZEN_MODE, zenModeToString(fromMode) + " -> " + zenModeToString(toMode));
86    }
87
88    public static void traceExitCondition(Uri id, ComponentName component, String reason) {
89        append(TYPE_EXIT_CONDITION, id + "," + componentToString(component) + "," + reason);
90    }
91
92    public static void traceSubscribe(Uri uri, IConditionProvider provider, RemoteException e) {
93        append(TYPE_SUBSCRIBE, uri + "," + subscribeResult(provider, e));
94    }
95
96    public static void traceUnsubscribe(Uri uri, IConditionProvider provider, RemoteException e) {
97        append(TYPE_UNSUBSCRIBE, uri + "," + subscribeResult(provider, e));
98    }
99
100    public static void traceConfig(ZenModeConfig oldConfig, ZenModeConfig newConfig) {
101        append(TYPE_CONFIG, newConfig != null ? newConfig.toString() : null);
102    }
103
104    public static void traceFollowRingerMode(int ringerMode, int oldZen, int newZen) {
105        append(TYPE_FOLLOW_RINGER_MODE, ringerModeToString(ringerMode) + ", "
106                + zenModeToString(oldZen) + " -> " + zenModeToString(newZen));
107    }
108
109    private static String subscribeResult(IConditionProvider provider, RemoteException e) {
110        return provider == null ? "no provider" : e != null ? e.getMessage() : "ok";
111    }
112
113    private static String typeToString(int type) {
114        switch (type) {
115            case TYPE_INTERCEPTED: return "intercepted";
116            case TYPE_ALLOW_DISABLE: return "allow_disable";
117            case TYPE_SET_RINGER_MODE: return "set_ringer_mode";
118            case TYPE_DOWNTIME: return "downtime";
119            case TYPE_ZEN_MODE: return "zen_mode";
120            case TYPE_EXIT_CONDITION: return "exit_condition";
121            case TYPE_SUBSCRIBE: return "subscribe";
122            case TYPE_UNSUBSCRIBE: return "unsubscribe";
123            case TYPE_CONFIG: return "config";
124            case TYPE_FOLLOW_RINGER_MODE: return "follow_ringer_mode";
125            default: return "unknown";
126        }
127    }
128
129    private static String ringerModeToString(int ringerMode) {
130        switch (ringerMode) {
131            case AudioManager.RINGER_MODE_SILENT: return "silent";
132            case AudioManager.RINGER_MODE_VIBRATE: return "vibrate";
133            case AudioManager.RINGER_MODE_NORMAL: return "normal";
134            default: return "unknown";
135        }
136    }
137
138    private static String zenModeToString(int zenMode) {
139        switch (zenMode) {
140            case Global.ZEN_MODE_OFF: return "off";
141            case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS: return "important_interruptions";
142            case Global.ZEN_MODE_NO_INTERRUPTIONS: return "no_interruptions";
143            default: return "unknown";
144        }
145    }
146
147    private static String componentToString(ComponentName component) {
148        return component != null ? component.toShortString() : null;
149    }
150
151    private static void append(int type, String msg) {
152        synchronized(MSGS) {
153            TIMES[sNext] = System.currentTimeMillis();
154            TYPES[sNext] = type;
155            MSGS[sNext] = msg;
156            sNext = (sNext + 1) % SIZE;
157            if (sSize < SIZE) {
158                sSize++;
159            }
160        }
161        Slog.d(TAG, typeToString(type) + ": " + msg);
162    }
163
164    public static void dump(PrintWriter pw, String prefix) {
165        synchronized(MSGS) {
166            final int start = (sNext - sSize + SIZE) % SIZE;
167            for (int i = 0; i < sSize; i++) {
168                final int j = (start + i) % SIZE;
169                pw.print(prefix);
170                pw.print(FORMAT.format(new Date(TIMES[j])));
171                pw.print(' ');
172                pw.print(typeToString(TYPES[j]));
173                pw.print(": ");
174                pw.println(MSGS[j]);
175            }
176        }
177    }
178}
179