1/*
2 * Copyright (C) 2006 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.AppOpsManager;
20import android.app.BroadcastOptions;
21import android.content.IIntentReceiver;
22import android.content.ComponentName;
23import android.content.Intent;
24import android.content.pm.ActivityInfo;
25import android.content.pm.ResolveInfo;
26import android.os.Binder;
27import android.os.Bundle;
28import android.os.IBinder;
29import android.os.SystemClock;
30import android.os.UserHandle;
31import android.util.PrintWriterPrinter;
32import android.util.TimeUtils;
33
34import java.io.PrintWriter;
35import java.util.Arrays;
36import java.util.Date;
37import java.util.List;
38import java.util.Set;
39
40/**
41 * An active intent broadcast.
42 */
43final class BroadcastRecord extends Binder {
44    final Intent intent;    // the original intent that generated us
45    final ComponentName targetComp; // original component name set on the intent
46    final ProcessRecord callerApp; // process that sent this
47    final String callerPackage; // who sent this
48    final int callingPid;   // the pid of who sent this
49    final int callingUid;   // the uid of who sent this
50    final boolean ordered;  // serialize the send to receivers?
51    final boolean sticky;   // originated from existing sticky data?
52    final boolean initialSticky; // initial broadcast from register to sticky?
53    final int userId;       // user id this broadcast was for
54    final String resolvedType; // the resolved data type
55    final String[] requiredPermissions; // permissions the caller has required
56    final int appOp;        // an app op that is associated with this broadcast
57    final BroadcastOptions options; // BroadcastOptions supplied by caller
58    final List receivers;   // contains BroadcastFilter and ResolveInfo
59    IIntentReceiver resultTo; // who receives final result if non-null
60    long enqueueClockTime;  // the clock time the broadcast was enqueued
61    long dispatchTime;      // when dispatch started on this set of receivers
62    long dispatchClockTime; // the clock time the dispatch started
63    long receiverTime;      // when current receiver started for timeouts.
64    long finishTime;        // when we finished the broadcast.
65    int resultCode;         // current result code value.
66    String resultData;      // current result data value.
67    Bundle resultExtras;    // current result extra data values.
68    boolean resultAbort;    // current result abortBroadcast value.
69    int nextReceiver;       // next receiver to be executed.
70    IBinder receiver;       // who is currently running, null if none.
71    int state;
72    int anrCount;           // has this broadcast record hit any ANRs?
73    BroadcastQueue queue;   // the outbound queue handling this broadcast
74
75    static final int IDLE = 0;
76    static final int APP_RECEIVE = 1;
77    static final int CALL_IN_RECEIVE = 2;
78    static final int CALL_DONE_RECEIVE = 3;
79    static final int WAITING_SERVICES = 4;
80
81    // The following are set when we are calling a receiver (one that
82    // was found in our list of registered receivers).
83    BroadcastFilter curFilter;
84
85    // The following are set only when we are launching a receiver (one
86    // that was found by querying the package manager).
87    ProcessRecord curApp;       // hosting application of current receiver.
88    ComponentName curComponent; // the receiver class that is currently running.
89    ActivityInfo curReceiver;   // info about the receiver that is currently running.
90
91    void dump(PrintWriter pw, String prefix) {
92        final long now = SystemClock.uptimeMillis();
93
94        pw.print(prefix); pw.print(this); pw.print(" to user "); pw.println(userId);
95        pw.print(prefix); pw.println(intent.toInsecureString());
96        if (targetComp != null && targetComp != intent.getComponent()) {
97            pw.print(prefix); pw.print("  targetComp: "); pw.println(targetComp.toShortString());
98        }
99        Bundle bundle = intent.getExtras();
100        if (bundle != null) {
101            pw.print(prefix); pw.print("  extras: "); pw.println(bundle.toString());
102        }
103        pw.print(prefix); pw.print("caller="); pw.print(callerPackage); pw.print(" ");
104                pw.print(callerApp != null ? callerApp.toShortString() : "null");
105                pw.print(" pid="); pw.print(callingPid);
106                pw.print(" uid="); pw.println(callingUid);
107        if ((requiredPermissions != null && requiredPermissions.length > 0)
108                || appOp != AppOpsManager.OP_NONE) {
109            pw.print(prefix); pw.print("requiredPermissions=");
110            pw.print(Arrays.toString(requiredPermissions));
111            pw.print("  appOp="); pw.println(appOp);
112        }
113        if (options != null) {
114            pw.print(prefix); pw.print("options="); pw.println(options.toBundle());
115        }
116        pw.print(prefix); pw.print("enqueueClockTime=");
117                pw.print(new Date(enqueueClockTime));
118                pw.print(" dispatchClockTime=");
119                pw.println(new Date(dispatchClockTime));
120        pw.print(prefix); pw.print("dispatchTime=");
121                TimeUtils.formatDuration(dispatchTime, now, pw);
122        if (finishTime != 0) {
123            pw.print(" finishTime="); TimeUtils.formatDuration(finishTime, now, pw);
124        } else {
125            pw.print(" receiverTime="); TimeUtils.formatDuration(receiverTime, now, pw);
126        }
127        pw.println("");
128        if (anrCount != 0) {
129            pw.print(prefix); pw.print("anrCount="); pw.println(anrCount);
130        }
131        if (resultTo != null || resultCode != -1 || resultData != null) {
132            pw.print(prefix); pw.print("resultTo="); pw.print(resultTo);
133                    pw.print(" resultCode="); pw.print(resultCode);
134                    pw.print(" resultData="); pw.println(resultData);
135        }
136        if (resultExtras != null) {
137            pw.print(prefix); pw.print("resultExtras="); pw.println(resultExtras);
138        }
139        if (resultAbort || ordered || sticky || initialSticky) {
140            pw.print(prefix); pw.print("resultAbort="); pw.print(resultAbort);
141                    pw.print(" ordered="); pw.print(ordered);
142                    pw.print(" sticky="); pw.print(sticky);
143                    pw.print(" initialSticky="); pw.println(initialSticky);
144        }
145        if (nextReceiver != 0 || receiver != null) {
146            pw.print(prefix); pw.print("nextReceiver="); pw.print(nextReceiver);
147                    pw.print(" receiver="); pw.println(receiver);
148        }
149        if (curFilter != null) {
150            pw.print(prefix); pw.print("curFilter="); pw.println(curFilter);
151        }
152        if (curReceiver != null) {
153            pw.print(prefix); pw.print("curReceiver="); pw.println(curReceiver);
154        }
155        if (curApp != null) {
156            pw.print(prefix); pw.print("curApp="); pw.println(curApp);
157            pw.print(prefix); pw.print("curComponent=");
158                    pw.println((curComponent != null ? curComponent.toShortString() : "--"));
159            if (curReceiver != null && curReceiver.applicationInfo != null) {
160                pw.print(prefix); pw.print("curSourceDir=");
161                        pw.println(curReceiver.applicationInfo.sourceDir);
162            }
163        }
164        if (state != IDLE) {
165            String stateStr = " (?)";
166            switch (state) {
167                case APP_RECEIVE:       stateStr=" (APP_RECEIVE)"; break;
168                case CALL_IN_RECEIVE:   stateStr=" (CALL_IN_RECEIVE)"; break;
169                case CALL_DONE_RECEIVE: stateStr=" (CALL_DONE_RECEIVE)"; break;
170                case WAITING_SERVICES:  stateStr=" (WAITING_SERVICES)"; break;
171            }
172            pw.print(prefix); pw.print("state="); pw.print(state); pw.println(stateStr);
173        }
174        final int N = receivers != null ? receivers.size() : 0;
175        String p2 = prefix + "  ";
176        PrintWriterPrinter printer = new PrintWriterPrinter(pw);
177        for (int i = 0; i < N; i++) {
178            Object o = receivers.get(i);
179            pw.print(prefix); pw.print("Receiver #"); pw.print(i);
180                    pw.print(": "); pw.println(o);
181            if (o instanceof BroadcastFilter)
182                ((BroadcastFilter)o).dumpBrief(pw, p2);
183            else if (o instanceof ResolveInfo)
184                ((ResolveInfo)o).dump(printer, p2);
185        }
186    }
187
188    BroadcastRecord(BroadcastQueue _queue,
189            Intent _intent, ProcessRecord _callerApp, String _callerPackage,
190            int _callingPid, int _callingUid, String _resolvedType, String[] _requiredPermissions,
191            int _appOp, BroadcastOptions _options, List _receivers, IIntentReceiver _resultTo,
192            int _resultCode, String _resultData, Bundle _resultExtras, boolean _serialized,
193            boolean _sticky, boolean _initialSticky,
194            int _userId) {
195        queue = _queue;
196        intent = _intent;
197        targetComp = _intent.getComponent();
198        callerApp = _callerApp;
199        callerPackage = _callerPackage;
200        callingPid = _callingPid;
201        callingUid = _callingUid;
202        resolvedType = _resolvedType;
203        requiredPermissions = _requiredPermissions;
204        appOp = _appOp;
205        options = _options;
206        receivers = _receivers;
207        resultTo = _resultTo;
208        resultCode = _resultCode;
209        resultData = _resultData;
210        resultExtras = _resultExtras;
211        ordered = _serialized;
212        sticky = _sticky;
213        initialSticky = _initialSticky;
214        userId = _userId;
215        nextReceiver = 0;
216        state = IDLE;
217    }
218
219    boolean cleanupDisabledPackageReceiversLocked(
220            String packageName, Set<String> filterByClasses, int userId, boolean doit) {
221        if ((userId != UserHandle.USER_ALL && this.userId != userId) || receivers == null) {
222            return false;
223        }
224
225        boolean didSomething = false;
226        Object o;
227        for (int i = receivers.size() - 1; i >= 0; i--) {
228            o = receivers.get(i);
229            if (!(o instanceof ResolveInfo)) {
230                continue;
231            }
232            ActivityInfo info = ((ResolveInfo)o).activityInfo;
233
234            final boolean sameComponent = packageName == null
235                    || (info.applicationInfo.packageName.equals(packageName)
236                    && (filterByClasses == null || filterByClasses.contains(info.name)));
237            if (sameComponent) {
238                if (!doit) {
239                    return true;
240                }
241                didSomething = true;
242                receivers.remove(i);
243                if (i < nextReceiver) {
244                    nextReceiver--;
245                }
246            }
247        }
248        nextReceiver = Math.min(nextReceiver, receivers.size());
249
250        return didSomething;
251    }
252
253    public String toString() {
254        return "BroadcastRecord{"
255            + Integer.toHexString(System.identityHashCode(this))
256            + " u" + userId + " " + intent.getAction() + "}";
257    }
258}
259