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      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 
     17 package com.android.server.notification;
     18 
     19 import android.content.ComponentName;
     20 import android.media.AudioManager;
     21 import android.net.Uri;
     22 import android.os.Build;
     23 import android.os.RemoteException;
     24 import android.provider.Settings.Global;
     25 import android.service.notification.Condition;
     26 import android.service.notification.IConditionProvider;
     27 import android.service.notification.NotificationListenerService;
     28 import android.service.notification.ZenModeConfig;
     29 import android.util.Slog;
     30 
     31 import java.io.PrintWriter;
     32 import java.text.SimpleDateFormat;
     33 import java.util.Date;
     34 import java.util.List;
     35 
     36 public class ZenLog {
     37     private static final String TAG = "ZenLog";
     38     private static final boolean DEBUG = Build.IS_DEBUGGABLE;
     39 
     40     private static final int SIZE = Build.IS_DEBUGGABLE ? 100 : 20;
     41 
     42     private static final long[] TIMES = new long[SIZE];
     43     private static final int[] TYPES = new int[SIZE];
     44     private static final String[] MSGS = new String[SIZE];
     45 
     46     private static final SimpleDateFormat FORMAT = new SimpleDateFormat("MM-dd HH:mm:ss.SSS");
     47 
     48     private static final int TYPE_INTERCEPTED = 1;
     49     private static final int TYPE_ALLOW_DISABLE = 2;
     50     private static final int TYPE_SET_RINGER_MODE_EXTERNAL = 3;
     51     private static final int TYPE_SET_RINGER_MODE_INTERNAL = 4;
     52     private static final int TYPE_DOWNTIME = 5;
     53     private static final int TYPE_SET_ZEN_MODE = 6;
     54     private static final int TYPE_UPDATE_ZEN_MODE = 7;
     55     private static final int TYPE_EXIT_CONDITION = 8;
     56     private static final int TYPE_SUBSCRIBE = 9;
     57     private static final int TYPE_UNSUBSCRIBE = 10;
     58     private static final int TYPE_CONFIG = 11;
     59     private static final int TYPE_NOT_INTERCEPTED = 12;
     60     private static final int TYPE_DISABLE_EFFECTS = 13;
     61     private static final int TYPE_SUPPRESSOR_CHANGED = 14;
     62     private static final int TYPE_LISTENER_HINTS_CHANGED = 15;
     63 
     64     private static int sNext;
     65     private static int sSize;
     66 
     67     public static void traceIntercepted(NotificationRecord record, String reason) {
     68         if (record != null && record.isIntercepted()) return;  // already logged
     69         append(TYPE_INTERCEPTED, record.getKey() + "," + reason);
     70     }
     71 
     72     public static void traceNotIntercepted(NotificationRecord record, String reason) {
     73         if (record != null && record.isUpdate) return;  // already logged
     74         append(TYPE_NOT_INTERCEPTED, record.getKey() + "," + reason);
     75     }
     76 
     77     public static void traceSetRingerModeExternal(int ringerModeOld, int ringerModeNew,
     78             String caller, int ringerModeInternalIn, int ringerModeInternalOut) {
     79         append(TYPE_SET_RINGER_MODE_EXTERNAL, caller + ",e:" +
     80                 ringerModeToString(ringerModeOld) + "->" +
     81                 ringerModeToString(ringerModeNew)  + ",i:" +
     82                 ringerModeToString(ringerModeInternalIn) + "->" +
     83                 ringerModeToString(ringerModeInternalOut));
     84     }
     85 
     86     public static void traceSetRingerModeInternal(int ringerModeOld, int ringerModeNew,
     87             String caller, int ringerModeExternalIn, int ringerModeExternalOut) {
     88         append(TYPE_SET_RINGER_MODE_INTERNAL, caller + ",i:" +
     89                 ringerModeToString(ringerModeOld) + "->" +
     90                 ringerModeToString(ringerModeNew)  + ",e:" +
     91                 ringerModeToString(ringerModeExternalIn) + "->" +
     92                 ringerModeToString(ringerModeExternalOut));
     93     }
     94 
     95     public static void traceDowntimeAutotrigger(String result) {
     96         append(TYPE_DOWNTIME, result);
     97     }
     98 
     99     public static void traceSetZenMode(int zenMode, String reason) {
    100         append(TYPE_SET_ZEN_MODE, zenModeToString(zenMode) + "," + reason);
    101     }
    102 
    103     public static void traceUpdateZenMode(int fromMode, int toMode) {
    104         append(TYPE_UPDATE_ZEN_MODE, zenModeToString(fromMode) + " -> " + zenModeToString(toMode));
    105     }
    106 
    107     public static void traceExitCondition(Condition c, ComponentName component, String reason) {
    108         append(TYPE_EXIT_CONDITION, c + "," + componentToString(component) + "," + reason);
    109     }
    110 
    111     public static void traceSubscribe(Uri uri, IConditionProvider provider, RemoteException e) {
    112         append(TYPE_SUBSCRIBE, uri + "," + subscribeResult(provider, e));
    113     }
    114 
    115     public static void traceUnsubscribe(Uri uri, IConditionProvider provider, RemoteException e) {
    116         append(TYPE_UNSUBSCRIBE, uri + "," + subscribeResult(provider, e));
    117     }
    118 
    119     public static void traceConfig(String reason, ZenModeConfig oldConfig,
    120             ZenModeConfig newConfig) {
    121         append(TYPE_CONFIG, reason
    122                 + "," + (newConfig != null ? newConfig.toString() : null)
    123                 + "," + ZenModeConfig.diff(oldConfig, newConfig));
    124     }
    125 
    126     public static void traceDisableEffects(NotificationRecord record, String reason) {
    127         append(TYPE_DISABLE_EFFECTS, record.getKey() + "," + reason);
    128     }
    129 
    130     public static void traceEffectsSuppressorChanged(List<ComponentName> oldSuppressors,
    131             List<ComponentName> newSuppressors, long suppressedEffects) {
    132         append(TYPE_SUPPRESSOR_CHANGED, "suppressed effects:" + suppressedEffects + ","
    133                 + componentListToString(oldSuppressors) + "->"
    134                 + componentListToString(newSuppressors));
    135     }
    136 
    137     public static void traceListenerHintsChanged(int oldHints, int newHints, int listenerCount) {
    138         append(TYPE_LISTENER_HINTS_CHANGED, hintsToString(oldHints) + "->"
    139             + hintsToString(newHints) + ",listeners=" + listenerCount);
    140     }
    141 
    142     private static String subscribeResult(IConditionProvider provider, RemoteException e) {
    143         return provider == null ? "no provider" : e != null ? e.getMessage() : "ok";
    144     }
    145 
    146     private static String typeToString(int type) {
    147         switch (type) {
    148             case TYPE_INTERCEPTED: return "intercepted";
    149             case TYPE_ALLOW_DISABLE: return "allow_disable";
    150             case TYPE_SET_RINGER_MODE_EXTERNAL: return "set_ringer_mode_external";
    151             case TYPE_SET_RINGER_MODE_INTERNAL: return "set_ringer_mode_internal";
    152             case TYPE_DOWNTIME: return "downtime";
    153             case TYPE_SET_ZEN_MODE: return "set_zen_mode";
    154             case TYPE_UPDATE_ZEN_MODE: return "update_zen_mode";
    155             case TYPE_EXIT_CONDITION: return "exit_condition";
    156             case TYPE_SUBSCRIBE: return "subscribe";
    157             case TYPE_UNSUBSCRIBE: return "unsubscribe";
    158             case TYPE_CONFIG: return "config";
    159             case TYPE_NOT_INTERCEPTED: return "not_intercepted";
    160             case TYPE_DISABLE_EFFECTS: return "disable_effects";
    161             case TYPE_SUPPRESSOR_CHANGED: return "suppressor_changed";
    162             case TYPE_LISTENER_HINTS_CHANGED: return "listener_hints_changed";
    163             default: return "unknown";
    164         }
    165     }
    166 
    167     private static String ringerModeToString(int ringerMode) {
    168         switch (ringerMode) {
    169             case AudioManager.RINGER_MODE_SILENT: return "silent";
    170             case AudioManager.RINGER_MODE_VIBRATE: return "vibrate";
    171             case AudioManager.RINGER_MODE_NORMAL: return "normal";
    172             default: return "unknown";
    173         }
    174     }
    175 
    176     private static String zenModeToString(int zenMode) {
    177         switch (zenMode) {
    178             case Global.ZEN_MODE_OFF: return "off";
    179             case Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS: return "important_interruptions";
    180             case Global.ZEN_MODE_ALARMS: return "alarms";
    181             case Global.ZEN_MODE_NO_INTERRUPTIONS: return "no_interruptions";
    182             default: return "unknown";
    183         }
    184     }
    185 
    186     private static String hintsToString(int hints) {
    187         switch (hints) {
    188             case 0 : return "none";
    189             case NotificationListenerService.HINT_HOST_DISABLE_EFFECTS : return "disable_effects";
    190             default: return Integer.toString(hints);
    191         }
    192     }
    193 
    194     private static String componentToString(ComponentName component) {
    195         return component != null ? component.toShortString() : null;
    196     }
    197 
    198     private static String componentListToString(List<ComponentName> components) {
    199         StringBuilder stringBuilder = new StringBuilder();
    200 
    201         for (int i = 0; i < components.size(); ++i) {
    202             if (i > 0) {
    203                 stringBuilder.append(", ");
    204             }
    205             stringBuilder.append(componentToString(components.get(i)));
    206         }
    207 
    208         return stringBuilder.toString();
    209     }
    210 
    211     private static void append(int type, String msg) {
    212         synchronized(MSGS) {
    213             TIMES[sNext] = System.currentTimeMillis();
    214             TYPES[sNext] = type;
    215             MSGS[sNext] = msg;
    216             sNext = (sNext + 1) % SIZE;
    217             if (sSize < SIZE) {
    218                 sSize++;
    219             }
    220         }
    221         if (DEBUG) Slog.d(TAG, typeToString(type) + ": " + msg);
    222     }
    223 
    224     public static void dump(PrintWriter pw, String prefix) {
    225         synchronized(MSGS) {
    226             final int start = (sNext - sSize + SIZE) % SIZE;
    227             for (int i = 0; i < sSize; i++) {
    228                 final int j = (start + i) % SIZE;
    229                 pw.print(prefix);
    230                 pw.print(FORMAT.format(new Date(TIMES[j])));
    231                 pw.print(' ');
    232                 pw.print(typeToString(TYPES[j]));
    233                 pw.print(": ");
    234                 pw.println(MSGS[j]);
    235             }
    236         }
    237     }
    238 }
    239