| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.am; |
| |
| import android.app.AppOpsManager; |
| import android.app.BroadcastOptions; |
| import android.content.ComponentName; |
| import android.content.IIntentReceiver; |
| import android.content.Intent; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ResolveInfo; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.IBinder; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.util.PrintWriterPrinter; |
| import android.util.TimeUtils; |
| import android.util.proto.ProtoOutputStream; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import java.io.PrintWriter; |
| import java.text.SimpleDateFormat; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** |
| * An active intent broadcast. |
| */ |
| final class BroadcastRecord extends Binder { |
| final Intent intent; // the original intent that generated us |
| final ComponentName targetComp; // original component name set on the intent |
| final ProcessRecord callerApp; // process that sent this |
| final String callerPackage; // who sent this |
| final int callingPid; // the pid of who sent this |
| final int callingUid; // the uid of who sent this |
| final boolean callerInstantApp; // caller is an Instant App? |
| final boolean ordered; // serialize the send to receivers? |
| final boolean sticky; // originated from existing sticky data? |
| final boolean initialSticky; // initial broadcast from register to sticky? |
| final int userId; // user id this broadcast was for |
| final String resolvedType; // the resolved data type |
| final String[] requiredPermissions; // permissions the caller has required |
| final int appOp; // an app op that is associated with this broadcast |
| final BroadcastOptions options; // BroadcastOptions supplied by caller |
| final List receivers; // contains BroadcastFilter and ResolveInfo |
| final int[] delivery; // delivery state of each receiver |
| final long[] duration; // duration a receiver took to process broadcast |
| IIntentReceiver resultTo; // who receives final result if non-null |
| boolean deferred; |
| int splitCount; // refcount for result callback, when split |
| int splitToken; // identifier for cross-BroadcastRecord refcount |
| long enqueueClockTime; // the clock time the broadcast was enqueued |
| long dispatchTime; // when dispatch started on this set of receivers |
| long dispatchClockTime; // the clock time the dispatch started |
| long receiverTime; // when current receiver started for timeouts. |
| long finishTime; // when we finished the broadcast. |
| boolean timeoutExempt; // true if this broadcast is not subject to receiver timeouts |
| int resultCode; // current result code value. |
| String resultData; // current result data value. |
| Bundle resultExtras; // current result extra data values. |
| boolean resultAbort; // current result abortBroadcast value. |
| int nextReceiver; // next receiver to be executed. |
| IBinder receiver; // who is currently running, null if none. |
| int state; |
| int anrCount; // has this broadcast record hit any ANRs? |
| int manifestCount; // number of manifest receivers dispatched. |
| int manifestSkipCount; // number of manifest receivers skipped. |
| BroadcastQueue queue; // the outbound queue handling this broadcast |
| |
| // if set to true, app's process will be temporarily whitelisted to start activities |
| // from background for the duration of the broadcast dispatch |
| final boolean allowBackgroundActivityStarts; |
| |
| static final int IDLE = 0; |
| static final int APP_RECEIVE = 1; |
| static final int CALL_IN_RECEIVE = 2; |
| static final int CALL_DONE_RECEIVE = 3; |
| static final int WAITING_SERVICES = 4; |
| |
| static final int DELIVERY_PENDING = 0; |
| static final int DELIVERY_DELIVERED = 1; |
| static final int DELIVERY_SKIPPED = 2; |
| static final int DELIVERY_TIMEOUT = 3; |
| |
| // The following are set when we are calling a receiver (one that |
| // was found in our list of registered receivers). |
| BroadcastFilter curFilter; |
| |
| // The following are set only when we are launching a receiver (one |
| // that was found by querying the package manager). |
| ProcessRecord curApp; // hosting application of current receiver. |
| ComponentName curComponent; // the receiver class that is currently running. |
| ActivityInfo curReceiver; // info about the receiver that is currently running. |
| |
| // Private refcount-management bookkeeping; start > 0 |
| static AtomicInteger sNextToken = new AtomicInteger(1); |
| |
| void dump(PrintWriter pw, String prefix, SimpleDateFormat sdf) { |
| final long now = SystemClock.uptimeMillis(); |
| |
| pw.print(prefix); pw.print(this); pw.print(" to user "); pw.println(userId); |
| pw.print(prefix); pw.println(intent.toInsecureString()); |
| if (targetComp != null && targetComp != intent.getComponent()) { |
| pw.print(prefix); pw.print(" targetComp: "); pw.println(targetComp.toShortString()); |
| } |
| Bundle bundle = intent.getExtras(); |
| if (bundle != null) { |
| pw.print(prefix); pw.print(" extras: "); pw.println(bundle.toString()); |
| } |
| pw.print(prefix); pw.print("caller="); pw.print(callerPackage); pw.print(" "); |
| pw.print(callerApp != null ? callerApp.toShortString() : "null"); |
| pw.print(" pid="); pw.print(callingPid); |
| pw.print(" uid="); pw.println(callingUid); |
| if ((requiredPermissions != null && requiredPermissions.length > 0) |
| || appOp != AppOpsManager.OP_NONE) { |
| pw.print(prefix); pw.print("requiredPermissions="); |
| pw.print(Arrays.toString(requiredPermissions)); |
| pw.print(" appOp="); pw.println(appOp); |
| } |
| if (options != null) { |
| pw.print(prefix); pw.print("options="); pw.println(options.toBundle()); |
| } |
| pw.print(prefix); pw.print("enqueueClockTime="); |
| pw.print(sdf.format(new Date(enqueueClockTime))); |
| pw.print(" dispatchClockTime="); |
| pw.println(sdf.format(new Date(dispatchClockTime))); |
| pw.print(prefix); pw.print("dispatchTime="); |
| TimeUtils.formatDuration(dispatchTime, now, pw); |
| pw.print(" ("); |
| TimeUtils.formatDuration(dispatchClockTime-enqueueClockTime, pw); |
| pw.print(" since enq)"); |
| if (finishTime != 0) { |
| pw.print(" finishTime="); TimeUtils.formatDuration(finishTime, now, pw); |
| pw.print(" ("); |
| TimeUtils.formatDuration(finishTime-dispatchTime, pw); |
| pw.print(" since disp)"); |
| } else { |
| pw.print(" receiverTime="); TimeUtils.formatDuration(receiverTime, now, pw); |
| } |
| pw.println(""); |
| if (anrCount != 0) { |
| pw.print(prefix); pw.print("anrCount="); pw.println(anrCount); |
| } |
| if (resultTo != null || resultCode != -1 || resultData != null) { |
| pw.print(prefix); pw.print("resultTo="); pw.print(resultTo); |
| pw.print(" resultCode="); pw.print(resultCode); |
| pw.print(" resultData="); pw.println(resultData); |
| } |
| if (resultExtras != null) { |
| pw.print(prefix); pw.print("resultExtras="); pw.println(resultExtras); |
| } |
| if (resultAbort || ordered || sticky || initialSticky) { |
| pw.print(prefix); pw.print("resultAbort="); pw.print(resultAbort); |
| pw.print(" ordered="); pw.print(ordered); |
| pw.print(" sticky="); pw.print(sticky); |
| pw.print(" initialSticky="); pw.println(initialSticky); |
| } |
| if (nextReceiver != 0 || receiver != null) { |
| pw.print(prefix); pw.print("nextReceiver="); pw.print(nextReceiver); |
| pw.print(" receiver="); pw.println(receiver); |
| } |
| if (curFilter != null) { |
| pw.print(prefix); pw.print("curFilter="); pw.println(curFilter); |
| } |
| if (curReceiver != null) { |
| pw.print(prefix); pw.print("curReceiver="); pw.println(curReceiver); |
| } |
| if (curApp != null) { |
| pw.print(prefix); pw.print("curApp="); pw.println(curApp); |
| pw.print(prefix); pw.print("curComponent="); |
| pw.println((curComponent != null ? curComponent.toShortString() : "--")); |
| if (curReceiver != null && curReceiver.applicationInfo != null) { |
| pw.print(prefix); pw.print("curSourceDir="); |
| pw.println(curReceiver.applicationInfo.sourceDir); |
| } |
| } |
| if (state != IDLE) { |
| String stateStr = " (?)"; |
| switch (state) { |
| case APP_RECEIVE: stateStr=" (APP_RECEIVE)"; break; |
| case CALL_IN_RECEIVE: stateStr=" (CALL_IN_RECEIVE)"; break; |
| case CALL_DONE_RECEIVE: stateStr=" (CALL_DONE_RECEIVE)"; break; |
| case WAITING_SERVICES: stateStr=" (WAITING_SERVICES)"; break; |
| } |
| pw.print(prefix); pw.print("state="); pw.print(state); pw.println(stateStr); |
| } |
| final int N = receivers != null ? receivers.size() : 0; |
| String p2 = prefix + " "; |
| PrintWriterPrinter printer = new PrintWriterPrinter(pw); |
| for (int i = 0; i < N; i++) { |
| Object o = receivers.get(i); |
| pw.print(prefix); |
| switch (delivery[i]) { |
| case DELIVERY_PENDING: pw.print("Pending"); break; |
| case DELIVERY_DELIVERED: pw.print("Deliver"); break; |
| case DELIVERY_SKIPPED: pw.print("Skipped"); break; |
| case DELIVERY_TIMEOUT: pw.print("Timeout"); break; |
| default: pw.print("???????"); break; |
| } |
| pw.print(" "); TimeUtils.formatDuration(duration[i], pw); |
| pw.print(" #"); pw.print(i); pw.print(": "); |
| if (o instanceof BroadcastFilter) { |
| pw.println(o); |
| ((BroadcastFilter) o).dumpBrief(pw, p2); |
| } else if (o instanceof ResolveInfo) { |
| pw.println("(manifest)"); |
| ((ResolveInfo) o).dump(printer, p2, 0); |
| } else { |
| pw.println(o); |
| } |
| } |
| } |
| |
| BroadcastRecord(BroadcastQueue _queue, |
| Intent _intent, ProcessRecord _callerApp, String _callerPackage, |
| int _callingPid, int _callingUid, boolean _callerInstantApp, String _resolvedType, |
| String[] _requiredPermissions, int _appOp, BroadcastOptions _options, List _receivers, |
| IIntentReceiver _resultTo, int _resultCode, String _resultData, Bundle _resultExtras, |
| boolean _serialized, boolean _sticky, boolean _initialSticky, int _userId, |
| boolean _allowBackgroundActivityStarts, boolean _timeoutExempt) { |
| if (_intent == null) { |
| throw new NullPointerException("Can't construct with a null intent"); |
| } |
| queue = _queue; |
| intent = _intent; |
| targetComp = _intent.getComponent(); |
| callerApp = _callerApp; |
| callerPackage = _callerPackage; |
| callingPid = _callingPid; |
| callingUid = _callingUid; |
| callerInstantApp = _callerInstantApp; |
| resolvedType = _resolvedType; |
| requiredPermissions = _requiredPermissions; |
| appOp = _appOp; |
| options = _options; |
| receivers = _receivers; |
| delivery = new int[_receivers != null ? _receivers.size() : 0]; |
| duration = new long[delivery.length]; |
| resultTo = _resultTo; |
| resultCode = _resultCode; |
| resultData = _resultData; |
| resultExtras = _resultExtras; |
| ordered = _serialized; |
| sticky = _sticky; |
| initialSticky = _initialSticky; |
| userId = _userId; |
| nextReceiver = 0; |
| state = IDLE; |
| allowBackgroundActivityStarts = _allowBackgroundActivityStarts; |
| timeoutExempt = _timeoutExempt; |
| } |
| |
| /** |
| * Copy constructor which takes a different intent. |
| * Only used by {@link #maybeStripForHistory}. |
| */ |
| private BroadcastRecord(BroadcastRecord from, Intent newIntent) { |
| intent = newIntent; |
| targetComp = newIntent.getComponent(); |
| |
| callerApp = from.callerApp; |
| callerPackage = from.callerPackage; |
| callingPid = from.callingPid; |
| callingUid = from.callingUid; |
| callerInstantApp = from.callerInstantApp; |
| ordered = from.ordered; |
| sticky = from.sticky; |
| initialSticky = from.initialSticky; |
| userId = from.userId; |
| resolvedType = from.resolvedType; |
| requiredPermissions = from.requiredPermissions; |
| appOp = from.appOp; |
| options = from.options; |
| receivers = from.receivers; |
| delivery = from.delivery; |
| duration = from.duration; |
| resultTo = from.resultTo; |
| enqueueClockTime = from.enqueueClockTime; |
| dispatchTime = from.dispatchTime; |
| dispatchClockTime = from.dispatchClockTime; |
| receiverTime = from.receiverTime; |
| finishTime = from.finishTime; |
| resultCode = from.resultCode; |
| resultData = from.resultData; |
| resultExtras = from.resultExtras; |
| resultAbort = from.resultAbort; |
| nextReceiver = from.nextReceiver; |
| receiver = from.receiver; |
| state = from.state; |
| anrCount = from.anrCount; |
| manifestCount = from.manifestCount; |
| manifestSkipCount = from.manifestSkipCount; |
| queue = from.queue; |
| allowBackgroundActivityStarts = from.allowBackgroundActivityStarts; |
| timeoutExempt = from.timeoutExempt; |
| } |
| |
| /** |
| * Split off a new BroadcastRecord that clones this one, but contains only the |
| * recipient records for the current (just-finished) receiver's app, starting |
| * after the just-finished receiver [i.e. at r.nextReceiver]. Returns null |
| * if there are no matching subsequent receivers in this BroadcastRecord. |
| */ |
| BroadcastRecord splitRecipientsLocked(int slowAppUid, int startingAt) { |
| // Do we actually have any matching receivers down the line...? |
| ArrayList splitReceivers = null; |
| for (int i = startingAt; i < receivers.size(); ) { |
| Object o = receivers.get(i); |
| if (getReceiverUid(o) == slowAppUid) { |
| if (splitReceivers == null) { |
| splitReceivers = new ArrayList<>(); |
| } |
| splitReceivers.add(o); |
| receivers.remove(i); |
| } else { |
| i++; |
| } |
| } |
| |
| // No later receivers in the same app, so we have no more to do |
| if (splitReceivers == null) { |
| return null; |
| } |
| |
| // build a new BroadcastRecord around that single-target list |
| BroadcastRecord split = new BroadcastRecord(queue, intent, callerApp, |
| callerPackage, callingPid, callingUid, callerInstantApp, resolvedType, |
| requiredPermissions, appOp, options, splitReceivers, resultTo, resultCode, |
| resultData, resultExtras, ordered, sticky, initialSticky, userId, |
| allowBackgroundActivityStarts, timeoutExempt); |
| |
| split.splitToken = this.splitToken; |
| return split; |
| } |
| |
| int getReceiverUid(Object receiver) { |
| if (receiver instanceof BroadcastFilter) { |
| return ((BroadcastFilter) receiver).owningUid; |
| } else /* if (receiver instanceof ResolveInfo) */ { |
| return ((ResolveInfo) receiver).activityInfo.applicationInfo.uid; |
| } |
| } |
| |
| public BroadcastRecord maybeStripForHistory() { |
| if (!intent.canStripForHistory()) { |
| return this; |
| } |
| return new BroadcastRecord(this, intent.maybeStripForHistory()); |
| } |
| |
| @VisibleForTesting |
| boolean cleanupDisabledPackageReceiversLocked( |
| String packageName, Set<String> filterByClasses, int userId, boolean doit) { |
| if (receivers == null) { |
| return false; |
| } |
| |
| final boolean cleanupAllUsers = userId == UserHandle.USER_ALL; |
| final boolean sendToAllUsers = this.userId == UserHandle.USER_ALL; |
| if (this.userId != userId && !cleanupAllUsers && !sendToAllUsers) { |
| return false; |
| } |
| |
| boolean didSomething = false; |
| Object o; |
| for (int i = receivers.size() - 1; i >= 0; i--) { |
| o = receivers.get(i); |
| if (!(o instanceof ResolveInfo)) { |
| continue; |
| } |
| ActivityInfo info = ((ResolveInfo)o).activityInfo; |
| |
| final boolean sameComponent = packageName == null |
| || (info.applicationInfo.packageName.equals(packageName) |
| && (filterByClasses == null || filterByClasses.contains(info.name))); |
| if (sameComponent && (cleanupAllUsers |
| || UserHandle.getUserId(info.applicationInfo.uid) == userId)) { |
| if (!doit) { |
| return true; |
| } |
| didSomething = true; |
| receivers.remove(i); |
| if (i < nextReceiver) { |
| nextReceiver--; |
| } |
| } |
| } |
| nextReceiver = Math.min(nextReceiver, receivers.size()); |
| |
| return didSomething; |
| } |
| |
| @Override |
| public String toString() { |
| return "BroadcastRecord{" |
| + Integer.toHexString(System.identityHashCode(this)) |
| + " u" + userId + " " + intent.getAction() + "}"; |
| } |
| |
| public void dumpDebug(ProtoOutputStream proto, long fieldId) { |
| long token = proto.start(fieldId); |
| proto.write(BroadcastRecordProto.USER_ID, userId); |
| proto.write(BroadcastRecordProto.INTENT_ACTION, intent.getAction()); |
| proto.end(token); |
| } |
| } |