| /* |
| * 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 static android.app.ActivityManager.RESTRICTION_LEVEL_BACKGROUND_RESTRICTED; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_ALARM; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_BACKGROUND; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_DEFERRABLE_UNTIL_ACTIVE; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_FOREGROUND; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_INITIAL_STICKY; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_INTERACTIVE; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_NONE; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_ORDERED; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_PRIORITIZED; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_PUSH_MESSAGE; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_PUSH_MESSAGE_OVER_QUOTA; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_RESULT_TO; |
| import static android.app.AppProtoEnums.BROADCAST_TYPE_STICKY; |
| |
| import static com.android.server.am.BroadcastConstants.DEFER_BOOT_COMPLETED_BROADCAST_ALL; |
| import static com.android.server.am.BroadcastConstants.DEFER_BOOT_COMPLETED_BROADCAST_BACKGROUND_RESTRICTED_ONLY; |
| import static com.android.server.am.BroadcastConstants.DEFER_BOOT_COMPLETED_BROADCAST_CHANGE_ID; |
| import static com.android.server.am.BroadcastConstants.DEFER_BOOT_COMPLETED_BROADCAST_NONE; |
| import static com.android.server.am.BroadcastConstants.DEFER_BOOT_COMPLETED_BROADCAST_TARGET_T_ONLY; |
| |
| import android.annotation.CheckResult; |
| import android.annotation.CurrentTimeMillisLong; |
| import android.annotation.ElapsedRealtimeLong; |
| import android.annotation.IntDef; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.UptimeMillisLong; |
| import android.app.ActivityManager.ProcessState; |
| import android.app.ActivityManagerInternal; |
| import android.app.AppOpsManager; |
| import android.app.BackgroundStartPrivileges; |
| import android.app.BroadcastOptions; |
| import android.app.BroadcastOptions.DeliveryGroupPolicy; |
| import android.app.compat.CompatChanges; |
| import android.content.ComponentName; |
| import android.content.IIntentReceiver; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.ResolveInfo; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.util.ArrayMap; |
| import android.util.PrintWriterPrinter; |
| import android.util.SparseArray; |
| import android.util.TimeUtils; |
| import android.util.proto.ProtoOutputStream; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| |
| import dalvik.annotation.optimization.NeverCompile; |
| |
| import java.io.PrintWriter; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.text.SimpleDateFormat; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Date; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import java.util.function.BiFunction; |
| |
| /** |
| * An active intent broadcast. |
| */ |
| final class BroadcastRecord extends Binder { |
| final @NonNull Intent intent; // the original intent that generated us |
| final @Nullable ComponentName targetComp; // original component name set on the intent |
| final @Nullable ProcessRecord callerApp; // process that sent this |
| final @Nullable String callerPackage; // who sent this |
| final @Nullable String callerFeatureId; // which feature in the package sent this |
| final int callingPid; // the pid of who sent this |
| final int callingUid; // the uid of who sent this |
| final @ProcessState int callerProcState; // Procstate of the caller process at enqueue time. |
| |
| final int originalStickyCallingUid; |
| // if this is a sticky broadcast, the Uid of the original sender |
| final boolean callerInstantApp; // caller is an Instant App? |
| final boolean callerInstrumented; // caller is being instrumented? |
| final boolean ordered; // serialize the send to receivers? |
| final boolean sticky; // originated from existing sticky data? |
| final boolean alarm; // originated from an alarm triggering? |
| final boolean pushMessage; // originated from a push message? |
| final boolean pushMessageOverQuota; // originated from a push message which was over quota? |
| final boolean interactive; // originated from user interaction? |
| final boolean initialSticky; // initial broadcast from register to sticky? |
| final boolean prioritized; // contains more than one priority tranche |
| final boolean deferUntilActive; // infinitely deferrable broadcast |
| final boolean shareIdentity; // whether the broadcaster's identity should be shared |
| final boolean urgent; // has been classified as "urgent" |
| final int userId; // user id this broadcast was for |
| final @Nullable String resolvedType; // the resolved data type |
| final @Nullable String[] requiredPermissions; // permissions the caller has required |
| final @Nullable String[] excludedPermissions; // permissions to exclude |
| final @Nullable String[] excludedPackages; // packages to exclude |
| final int appOp; // an app op that is associated with this broadcast |
| final @Nullable BroadcastOptions options; // BroadcastOptions supplied by caller |
| final @NonNull List<Object> receivers; // contains BroadcastFilter and ResolveInfo |
| final @DeliveryState int[] delivery; // delivery state of each receiver |
| final @NonNull String[] deliveryReasons; // reasons for delivery state of each receiver |
| final int[] blockedUntilBeyondCount; // blocked until count of each receiver |
| @Nullable ProcessRecord resultToApp; // who receives final result if non-null |
| @Nullable 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 |
| @UptimeMillisLong long enqueueTime; // when broadcast enqueued |
| @ElapsedRealtimeLong long enqueueRealTime; // when broadcast enqueued |
| @CurrentTimeMillisLong long enqueueClockTime; // when broadcast enqueued |
| // When broadcast is originally enqueued. Only used in case of replacing broadcasts |
| // with FLAG_RECEIVER_REPLACE_PENDING. If it is 0, then 'enqueueClockTime' is the original |
| // enqueue time. |
| @UptimeMillisLong long originalEnqueueClockTime; |
| @UptimeMillisLong long dispatchTime; // when broadcast dispatch started |
| @ElapsedRealtimeLong long dispatchRealTime; // when broadcast dispatch started |
| @CurrentTimeMillisLong long dispatchClockTime; // when broadcast dispatch started |
| @UptimeMillisLong long receiverTime; // when receiver started for timeouts |
| @UptimeMillisLong long finishTime; // when broadcast finished |
| final @UptimeMillisLong long[] scheduledTime; // when each receiver was scheduled |
| final @UptimeMillisLong long[] terminalTime; // when each receiver was terminal |
| final boolean timeoutExempt; // true if this broadcast is not subject to receiver timeouts |
| int resultCode; // current result code value. |
| @Nullable String resultData; // current result data value. |
| @Nullable Bundle resultExtras; // current result extra data values. |
| boolean resultAbort; // current result abortBroadcast value. |
| int nextReceiver; // next receiver to be executed. |
| 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. |
| int terminalCount; // number of receivers in terminal state. |
| int deferredCount; // number of receivers in deferred state. |
| int beyondCount; // high-water number of receivers we've moved beyond. |
| @Nullable BroadcastQueue queue; // the outbound queue handling this broadcast |
| |
| // Determines the privileges the app's process has in regard to background starts. |
| final BackgroundStartPrivileges mBackgroundStartPrivileges; |
| |
| // Filter the intent extras by using the rules of the package visibility before broadcasting |
| // the intent to the receiver. |
| @Nullable |
| final BiFunction<Integer, Bundle, Bundle> filterExtrasForReceiver; |
| |
| // Cache of records that are "matching" this. Only used at the time of enqueuing this record |
| // into the queue. |
| @Nullable |
| private ArrayMap<BroadcastRecord, Boolean> mMatchingRecordsCache; |
| |
| private @Nullable String mCachedToString; |
| private @Nullable String mCachedToShortString; |
| |
| /** |
| * When enabled, assume that {@link UserHandle#isCore(int)} apps should |
| * treat {@link BroadcastOptions#DEFERRAL_POLICY_DEFAULT} as |
| * {@link BroadcastOptions#DEFERRAL_POLICY_UNTIL_ACTIVE}. |
| */ |
| static boolean CORE_DEFER_UNTIL_ACTIVE = false; |
| |
| /** Empty immutable list of receivers */ |
| static final List<Object> EMPTY_RECEIVERS = List.of(); |
| |
| 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; |
| |
| /** Initial state: waiting to run in future */ |
| static final int DELIVERY_PENDING = 0; |
| /** Terminal state: finished successfully */ |
| static final int DELIVERY_DELIVERED = 1; |
| /** Terminal state: skipped due to internal policy */ |
| static final int DELIVERY_SKIPPED = 2; |
| /** Terminal state: timed out during attempted delivery */ |
| static final int DELIVERY_TIMEOUT = 3; |
| /** Intermediate state: currently executing */ |
| static final int DELIVERY_SCHEDULED = 4; |
| /** Terminal state: failure to dispatch */ |
| static final int DELIVERY_FAILURE = 5; |
| /** Intermediate state: currently deferred while app is cached */ |
| static final int DELIVERY_DEFERRED = 6; |
| |
| @IntDef(flag = false, prefix = { "DELIVERY_" }, value = { |
| DELIVERY_PENDING, |
| DELIVERY_DELIVERED, |
| DELIVERY_SKIPPED, |
| DELIVERY_TIMEOUT, |
| DELIVERY_SCHEDULED, |
| DELIVERY_FAILURE, |
| DELIVERY_DEFERRED, |
| }) |
| @Retention(RetentionPolicy.SOURCE) |
| public @interface DeliveryState {} |
| |
| static @NonNull String deliveryStateToString(@DeliveryState int deliveryState) { |
| switch (deliveryState) { |
| case DELIVERY_PENDING: return "PENDING"; |
| case DELIVERY_DELIVERED: return "DELIVERED"; |
| case DELIVERY_SKIPPED: return "SKIPPED"; |
| case DELIVERY_TIMEOUT: return "TIMEOUT"; |
| case DELIVERY_SCHEDULED: return "SCHEDULED"; |
| case DELIVERY_FAILURE: return "FAILURE"; |
| case DELIVERY_DEFERRED: return "DEFERRED"; |
| default: return Integer.toString(deliveryState); |
| } |
| } |
| |
| /** |
| * Return if the given delivery state is "terminal", where no additional |
| * delivery state changes will be made. |
| */ |
| static boolean isDeliveryStateTerminal(@DeliveryState int deliveryState) { |
| switch (deliveryState) { |
| case DELIVERY_DELIVERED: |
| case DELIVERY_SKIPPED: |
| case DELIVERY_TIMEOUT: |
| case DELIVERY_FAILURE: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| /** |
| * Return if the given delivery state is "beyond", which means that we've |
| * moved beyond this receiver, and future receivers are now unblocked. |
| */ |
| static boolean isDeliveryStateBeyond(@DeliveryState int deliveryState) { |
| switch (deliveryState) { |
| case DELIVERY_DELIVERED: |
| case DELIVERY_SKIPPED: |
| case DELIVERY_TIMEOUT: |
| case DELIVERY_FAILURE: |
| case DELIVERY_DEFERRED: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| /** |
| * Return true if this receiver should be assumed to have been delivered. |
| */ |
| boolean isAssumedDelivered(int index) { |
| return (receivers.get(index) instanceof BroadcastFilter) && !ordered |
| && (resultTo == null); |
| } |
| |
| ProcessRecord curApp; // hosting application of current receiver. |
| ComponentName curComponent; // the receiver class that is currently running. |
| ActivityInfo curReceiver; // the manifest receiver that is currently running. |
| BroadcastFilter curFilter; // the registered receiver currently running. |
| Bundle curFilteredExtras; // the bundle that has been filtered by the package visibility rules |
| |
| int curAppLastProcessState; // The last process state of the current receiver before receiving |
| |
| boolean mIsReceiverAppRunning; // Was the receiver's app already running. |
| |
| boolean mWasReceiverAppStopped; // Was the receiver app stopped prior to starting |
| |
| // Private refcount-management bookkeeping; start > 0 |
| static AtomicInteger sNextToken = new AtomicInteger(1); |
| |
| @NeverCompile |
| 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 (excludedPermissions != null && excludedPermissions.length > 0) { |
| pw.print(prefix); pw.print("excludedPermissions="); |
| pw.print(Arrays.toString(excludedPermissions)); |
| } |
| if (excludedPackages != null && excludedPackages.length > 0) { |
| pw.print(prefix); pw.print("excludedPackages="); |
| pw.print(Arrays.toString(excludedPackages)); |
| } |
| 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.print(sdf.format(new Date(dispatchClockTime))); |
| if (originalEnqueueClockTime > 0) { |
| pw.print(" originalEnqueueClockTime="); |
| pw.print(sdf.format(new Date(originalEnqueueClockTime))); |
| } |
| pw.println(); |
| pw.print(prefix); pw.print("dispatchTime="); |
| TimeUtils.formatDuration(dispatchTime, now, pw); |
| pw.print(" ("); |
| TimeUtils.formatDuration(dispatchTime - enqueueTime, 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.print(initialSticky); |
| pw.print(" originalStickyCallingUid="); pw.println(originalStickyCallingUid); |
| } |
| if (nextReceiver != 0) { |
| pw.print(prefix); pw.print("nextReceiver="); pw.println(nextReceiver); |
| } |
| 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 (curFilteredExtras != null) { |
| pw.print(" filtered extras: "); pw.println(curFilteredExtras); |
| } |
| 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); |
| } |
| pw.print(prefix); pw.print("terminalCount="); pw.println(terminalCount); |
| 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); |
| pw.print(deliveryStateToString(delivery[i])); |
| pw.print(' '); |
| if (scheduledTime[i] != 0) { |
| pw.print("scheduled "); |
| TimeUtils.formatDuration(scheduledTime[i] - enqueueTime, pw); |
| pw.print(' '); |
| } |
| if (terminalTime[i] != 0) { |
| pw.print("terminal "); |
| TimeUtils.formatDuration(terminalTime[i] - scheduledTime[i], pw); |
| pw.print(' '); |
| } |
| pw.print("("); pw.print(blockedUntilBeyondCount[i]); pw.print(") "); |
| 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); |
| } |
| if (deliveryReasons[i] != null) { |
| pw.print(p2); pw.print("reason: "); pw.println(deliveryReasons[i]); |
| } |
| } |
| } |
| |
| BroadcastRecord(BroadcastQueue queue, |
| Intent intent, ProcessRecord callerApp, String callerPackage, |
| @Nullable String callerFeatureId, int callingPid, int callingUid, |
| boolean callerInstantApp, String resolvedType, |
| String[] requiredPermissions, String[] excludedPermissions, |
| String[] excludedPackages, int appOp, |
| BroadcastOptions options, List receivers, |
| ProcessRecord resultToApp, IIntentReceiver resultTo, int resultCode, |
| String resultData, Bundle resultExtras, boolean serialized, boolean sticky, |
| boolean initialSticky, int userId, |
| @NonNull BackgroundStartPrivileges backgroundStartPrivileges, |
| boolean timeoutExempt, |
| @Nullable BiFunction<Integer, Bundle, Bundle> filterExtrasForReceiver, |
| int callerAppProcessState) { |
| this(queue, intent, callerApp, callerPackage, callerFeatureId, callingPid, |
| callingUid, callerInstantApp, resolvedType, requiredPermissions, |
| excludedPermissions, excludedPackages, appOp, options, receivers, resultToApp, |
| resultTo, resultCode, resultData, resultExtras, serialized, sticky, |
| initialSticky, userId, -1, backgroundStartPrivileges, timeoutExempt, |
| filterExtrasForReceiver, callerAppProcessState); |
| } |
| |
| BroadcastRecord(BroadcastQueue _queue, |
| Intent _intent, ProcessRecord _callerApp, String _callerPackage, |
| @Nullable String _callerFeatureId, int _callingPid, int _callingUid, |
| boolean _callerInstantApp, String _resolvedType, |
| String[] _requiredPermissions, String[] _excludedPermissions, |
| String[] _excludedPackages, int _appOp, |
| BroadcastOptions _options, List _receivers, |
| ProcessRecord _resultToApp, IIntentReceiver _resultTo, int _resultCode, |
| String _resultData, Bundle _resultExtras, boolean _serialized, boolean _sticky, |
| boolean _initialSticky, int _userId, int originalStickyCallingUid, |
| @NonNull BackgroundStartPrivileges backgroundStartPrivileges, |
| boolean timeoutExempt, |
| @Nullable BiFunction<Integer, Bundle, Bundle> filterExtrasForReceiver, |
| int callerAppProcessState) { |
| if (_intent == null) { |
| throw new NullPointerException("Can't construct with a null intent"); |
| } |
| queue = _queue; |
| intent = Objects.requireNonNull(_intent); |
| targetComp = _intent.getComponent(); |
| callerApp = _callerApp; |
| callerPackage = _callerPackage; |
| callerFeatureId = _callerFeatureId; |
| callingPid = _callingPid; |
| callingUid = _callingUid; |
| callerProcState = callerAppProcessState; |
| callerInstantApp = _callerInstantApp; |
| callerInstrumented = isCallerInstrumented(_callerApp, _callingUid); |
| resolvedType = _resolvedType; |
| requiredPermissions = _requiredPermissions; |
| excludedPermissions = _excludedPermissions; |
| excludedPackages = _excludedPackages; |
| appOp = _appOp; |
| options = _options; |
| receivers = (_receivers != null) ? _receivers : EMPTY_RECEIVERS; |
| delivery = new int[_receivers != null ? _receivers.size() : 0]; |
| deliveryReasons = new String[delivery.length]; |
| urgent = calculateUrgent(_intent, _options); |
| deferUntilActive = calculateDeferUntilActive(_callingUid, |
| _options, _resultTo, _serialized, urgent); |
| blockedUntilBeyondCount = calculateBlockedUntilBeyondCount(receivers, _serialized); |
| scheduledTime = new long[delivery.length]; |
| terminalTime = new long[delivery.length]; |
| resultToApp = _resultToApp; |
| resultTo = _resultTo; |
| resultCode = _resultCode; |
| resultData = _resultData; |
| resultExtras = _resultExtras; |
| ordered = _serialized; |
| sticky = _sticky; |
| initialSticky = _initialSticky; |
| prioritized = isPrioritized(blockedUntilBeyondCount, _serialized); |
| userId = _userId; |
| nextReceiver = 0; |
| state = IDLE; |
| mBackgroundStartPrivileges = backgroundStartPrivileges; |
| this.timeoutExempt = timeoutExempt; |
| alarm = options != null && options.isAlarmBroadcast(); |
| pushMessage = options != null && options.isPushMessagingBroadcast(); |
| pushMessageOverQuota = options != null && options.isPushMessagingOverQuotaBroadcast(); |
| interactive = options != null && options.isInteractive(); |
| shareIdentity = options != null && options.isShareIdentityEnabled(); |
| this.filterExtrasForReceiver = filterExtrasForReceiver; |
| this.originalStickyCallingUid = originalStickyCallingUid; |
| } |
| |
| /** |
| * Copy constructor which takes a different intent. |
| * Only used by {@link #maybeStripForHistory}. |
| */ |
| private BroadcastRecord(BroadcastRecord from, Intent newIntent) { |
| intent = Objects.requireNonNull(newIntent); |
| targetComp = newIntent.getComponent(); |
| |
| callerApp = from.callerApp; |
| callerPackage = from.callerPackage; |
| callerFeatureId = from.callerFeatureId; |
| callingPid = from.callingPid; |
| callingUid = from.callingUid; |
| callerProcState = from.callerProcState; |
| callerInstantApp = from.callerInstantApp; |
| callerInstrumented = from.callerInstrumented; |
| ordered = from.ordered; |
| sticky = from.sticky; |
| initialSticky = from.initialSticky; |
| prioritized = from.prioritized; |
| userId = from.userId; |
| resolvedType = from.resolvedType; |
| requiredPermissions = from.requiredPermissions; |
| excludedPermissions = from.excludedPermissions; |
| excludedPackages = from.excludedPackages; |
| appOp = from.appOp; |
| options = from.options; |
| receivers = from.receivers; |
| delivery = from.delivery; |
| deliveryReasons = from.deliveryReasons; |
| deferUntilActive = from.deferUntilActive; |
| blockedUntilBeyondCount = from.blockedUntilBeyondCount; |
| scheduledTime = from.scheduledTime; |
| terminalTime = from.terminalTime; |
| resultToApp = from.resultToApp; |
| resultTo = from.resultTo; |
| enqueueTime = from.enqueueTime; |
| enqueueRealTime = from.enqueueRealTime; |
| enqueueClockTime = from.enqueueClockTime; |
| dispatchTime = from.dispatchTime; |
| dispatchRealTime = from.dispatchRealTime; |
| dispatchClockTime = from.dispatchClockTime; |
| receiverTime = from.receiverTime; |
| finishTime = from.finishTime; |
| resultCode = from.resultCode; |
| resultData = from.resultData; |
| resultExtras = from.resultExtras; |
| resultAbort = from.resultAbort; |
| nextReceiver = from.nextReceiver; |
| state = from.state; |
| anrCount = from.anrCount; |
| manifestCount = from.manifestCount; |
| manifestSkipCount = from.manifestSkipCount; |
| queue = from.queue; |
| mBackgroundStartPrivileges = from.mBackgroundStartPrivileges; |
| timeoutExempt = from.timeoutExempt; |
| alarm = from.alarm; |
| pushMessage = from.pushMessage; |
| pushMessageOverQuota = from.pushMessageOverQuota; |
| interactive = from.interactive; |
| shareIdentity = from.shareIdentity; |
| urgent = from.urgent; |
| filterExtrasForReceiver = from.filterExtrasForReceiver; |
| originalStickyCallingUid = from.originalStickyCallingUid; |
| } |
| |
| /** |
| * 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, |
| callerFeatureId, callingPid, callingUid, callerInstantApp, resolvedType, |
| requiredPermissions, excludedPermissions, excludedPackages, appOp, options, |
| splitReceivers, resultToApp, resultTo, resultCode, resultData, resultExtras, |
| ordered, sticky, initialSticky, userId, |
| mBackgroundStartPrivileges, timeoutExempt, filterExtrasForReceiver, |
| callerProcState); |
| split.enqueueTime = this.enqueueTime; |
| split.enqueueRealTime = this.enqueueRealTime; |
| split.enqueueClockTime = this.enqueueClockTime; |
| split.splitToken = this.splitToken; |
| return split; |
| } |
| |
| /** |
| * Split a BroadcastRecord to a map of deferred receiver UID to deferred BroadcastRecord. |
| * |
| * The receivers that are deferred are removed from original BroadcastRecord's receivers list. |
| * The receivers that are not deferred are kept in original BroadcastRecord's receivers list. |
| * |
| * Only used to split LOCKED_BOOT_COMPLETED or BOOT_COMPLETED BroadcastRecord. |
| * LOCKED_BOOT_COMPLETED or BOOT_COMPLETED broadcast can be deferred until the first time |
| * the receiver's UID has a process started. |
| * |
| * @param ams The ActivityManagerService object. |
| * @param deferType Defer what UID? |
| * @return the deferred UID to BroadcastRecord map, the BroadcastRecord has the list of |
| * receivers in that UID. |
| */ |
| @NonNull SparseArray<BroadcastRecord> splitDeferredBootCompletedBroadcastLocked( |
| ActivityManagerInternal activityManagerInternal, |
| @BroadcastConstants.DeferBootCompletedBroadcastType int deferType) { |
| final SparseArray<BroadcastRecord> ret = new SparseArray<>(); |
| if (deferType == DEFER_BOOT_COMPLETED_BROADCAST_NONE) { |
| return ret; |
| } |
| |
| if (receivers == null) { |
| return ret; |
| } |
| |
| final String action = intent.getAction(); |
| if (!Intent.ACTION_LOCKED_BOOT_COMPLETED.equals(action) |
| && !Intent.ACTION_BOOT_COMPLETED.equals(action)) { |
| return ret; |
| } |
| |
| final SparseArray<List<Object>> uid2receiverList = new SparseArray<>(); |
| for (int i = receivers.size() - 1; i >= 0; i--) { |
| final Object receiver = receivers.get(i); |
| final int uid = getReceiverUid(receiver); |
| if (deferType != DEFER_BOOT_COMPLETED_BROADCAST_ALL) { |
| if ((deferType & DEFER_BOOT_COMPLETED_BROADCAST_BACKGROUND_RESTRICTED_ONLY) != 0) { |
| if (activityManagerInternal.getRestrictionLevel(uid) |
| < RESTRICTION_LEVEL_BACKGROUND_RESTRICTED) { |
| // skip if the UID is not background restricted. |
| continue; |
| } |
| } |
| if ((deferType & DEFER_BOOT_COMPLETED_BROADCAST_TARGET_T_ONLY) != 0) { |
| if (!CompatChanges.isChangeEnabled(DEFER_BOOT_COMPLETED_BROADCAST_CHANGE_ID, |
| uid)) { |
| // skip if the UID is not targetSdkVersion T+. |
| continue; |
| } |
| } |
| } |
| // Remove receiver from original BroadcastRecord's receivers list. |
| receivers.remove(i); |
| final List<Object> receiverList = uid2receiverList.get(uid); |
| if (receiverList != null) { |
| receiverList.add(0, receiver); |
| } else { |
| ArrayList<Object> splitReceivers = new ArrayList<>(); |
| splitReceivers.add(0, receiver); |
| uid2receiverList.put(uid, splitReceivers); |
| } |
| } |
| final int uidSize = uid2receiverList.size(); |
| for (int i = 0; i < uidSize; i++) { |
| final BroadcastRecord br = new BroadcastRecord(queue, intent, callerApp, callerPackage, |
| callerFeatureId, callingPid, callingUid, callerInstantApp, resolvedType, |
| requiredPermissions, excludedPermissions, excludedPackages, appOp, options, |
| uid2receiverList.valueAt(i), null /* _resultToApp */, null /* _resultTo */, |
| resultCode, resultData, resultExtras, ordered, sticky, initialSticky, userId, |
| mBackgroundStartPrivileges, timeoutExempt, |
| filterExtrasForReceiver, callerProcState); |
| br.enqueueTime = this.enqueueTime; |
| br.enqueueRealTime = this.enqueueRealTime; |
| br.enqueueClockTime = this.enqueueClockTime; |
| ret.put(uid2receiverList.keyAt(i), br); |
| } |
| return ret; |
| } |
| |
| /** |
| * Update the delivery state of the given {@link #receivers} index. |
| * Automatically updates any time measurements related to state changes. |
| * |
| * @return if {@link #beyondCount} changed due to this state transition, |
| * indicating that other events may be unblocked. |
| */ |
| @CheckResult |
| boolean setDeliveryState(int index, @DeliveryState int newDeliveryState, |
| @NonNull String reason) { |
| final int oldDeliveryState = delivery[index]; |
| if (isDeliveryStateTerminal(oldDeliveryState) |
| || newDeliveryState == oldDeliveryState) { |
| // We've already arrived in terminal or requested state, so leave |
| // any statistics and reasons intact from the first transition |
| return false; |
| } |
| |
| switch (oldDeliveryState) { |
| case DELIVERY_DEFERRED: |
| deferredCount--; |
| break; |
| } |
| switch (newDeliveryState) { |
| case DELIVERY_PENDING: |
| scheduledTime[index] = 0; |
| break; |
| case DELIVERY_SCHEDULED: |
| scheduledTime[index] = SystemClock.uptimeMillis(); |
| break; |
| case DELIVERY_DEFERRED: |
| deferredCount++; |
| break; |
| case DELIVERY_DELIVERED: |
| case DELIVERY_SKIPPED: |
| case DELIVERY_TIMEOUT: |
| case DELIVERY_FAILURE: |
| terminalTime[index] = SystemClock.uptimeMillis(); |
| terminalCount++; |
| break; |
| } |
| |
| delivery[index] = newDeliveryState; |
| deliveryReasons[index] = reason; |
| |
| // If this state change might bring us to a new high-water mark, bring |
| // ourselves as high as we possibly can |
| final int oldBeyondCount = beyondCount; |
| if (index >= beyondCount) { |
| for (int i = beyondCount; i < delivery.length; i++) { |
| if (isDeliveryStateBeyond(getDeliveryState(i))) { |
| beyondCount = i + 1; |
| } else { |
| break; |
| } |
| } |
| } |
| return (beyondCount != oldBeyondCount); |
| } |
| |
| @DeliveryState int getDeliveryState(int index) { |
| return delivery[index]; |
| } |
| |
| /** |
| * @return if the given {@link #receivers} index should be considered |
| * blocked based on the current status of the overall broadcast. |
| */ |
| boolean isBlocked(int index) { |
| return (beyondCount < blockedUntilBeyondCount[index]); |
| } |
| |
| boolean wasDeliveryAttempted(int index) { |
| final int deliveryState = getDeliveryState(index); |
| switch (deliveryState) { |
| case DELIVERY_DELIVERED: |
| case DELIVERY_TIMEOUT: |
| case DELIVERY_FAILURE: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| void copyEnqueueTimeFrom(@NonNull BroadcastRecord replacedBroadcast) { |
| originalEnqueueClockTime = enqueueClockTime; |
| enqueueTime = replacedBroadcast.enqueueTime; |
| enqueueRealTime = replacedBroadcast.enqueueRealTime; |
| enqueueClockTime = replacedBroadcast.enqueueClockTime; |
| } |
| |
| boolean isForeground() { |
| return (intent.getFlags() & Intent.FLAG_RECEIVER_FOREGROUND) != 0; |
| } |
| |
| boolean isReplacePending() { |
| return (intent.getFlags() & Intent.FLAG_RECEIVER_REPLACE_PENDING) != 0; |
| } |
| |
| boolean isNoAbort() { |
| return (intent.getFlags() & Intent.FLAG_RECEIVER_NO_ABORT) != 0; |
| } |
| |
| boolean isOffload() { |
| return (intent.getFlags() & Intent.FLAG_RECEIVER_OFFLOAD) != 0; |
| } |
| |
| boolean isDeferUntilActive() { |
| return deferUntilActive; |
| } |
| |
| boolean isUrgent() { |
| return urgent; |
| } |
| |
| @NonNull String getHostingRecordTriggerType() { |
| if (alarm) { |
| return HostingRecord.TRIGGER_TYPE_ALARM; |
| } else if (pushMessage) { |
| return HostingRecord.TRIGGER_TYPE_PUSH_MESSAGE; |
| } else if (pushMessageOverQuota) { |
| return HostingRecord.TRIGGER_TYPE_PUSH_MESSAGE_OVER_QUOTA; |
| } |
| return HostingRecord.TRIGGER_TYPE_UNKNOWN; |
| } |
| |
| /** |
| * Return an instance of {@link #intent} specialized for the given receiver. |
| * For example, this returns a new specialized instance if the extras need |
| * to be filtered, or a {@link ResolveInfo} needs to be configured. |
| * |
| * @return a specialized intent, otherwise {@code null} to indicate that the |
| * broadcast should not be delivered to this receiver, typically due |
| * to it being filtered away by {@link #filterExtrasForReceiver}. |
| */ |
| @Nullable Intent getReceiverIntent(@NonNull Object receiver) { |
| Intent newIntent = null; |
| if (filterExtrasForReceiver != null) { |
| final Bundle extras = intent.getExtras(); |
| if (extras != null) { |
| final int receiverUid = getReceiverUid(receiver); |
| final Bundle filteredExtras = filterExtrasForReceiver.apply(receiverUid, extras); |
| if (filteredExtras == null) { |
| // Completely filtered; skip the broadcast! |
| return null; |
| } else { |
| newIntent = new Intent(intent); |
| newIntent.replaceExtras(filteredExtras); |
| } |
| } |
| } |
| if (receiver instanceof ResolveInfo) { |
| if (newIntent == null) { |
| newIntent = new Intent(intent); |
| } |
| newIntent.setComponent(((ResolveInfo) receiver).activityInfo.getComponentName()); |
| } |
| return (newIntent != null) ? newIntent : intent; |
| } |
| |
| static boolean isCallerInstrumented(@Nullable ProcessRecord callerApp, int callingUid) { |
| switch (UserHandle.getAppId(callingUid)) { |
| case android.os.Process.ROOT_UID: |
| case android.os.Process.SHELL_UID: |
| // Broadcasts sent via "shell" are typically invoked by test |
| // suites, so we treat them as if the caller was instrumented |
| return true; |
| } |
| return (callerApp != null) ? (callerApp.getActiveInstrumentation() != null) : false; |
| } |
| |
| /** |
| * Determine if the result of {@link #calculateBlockedUntilTerminalCount} |
| * has prioritized tranches of receivers. |
| */ |
| @VisibleForTesting |
| static boolean isPrioritized(@NonNull int[] blockedUntilBeyondCount, |
| boolean ordered) { |
| return !ordered && (blockedUntilBeyondCount.length > 0) |
| && (blockedUntilBeyondCount[0] != -1); |
| } |
| |
| /** |
| * Calculate the {@link #beyondCount} that each receiver should be |
| * considered blocked until. |
| * <p> |
| * For example, in an ordered broadcast, receiver {@code N} is blocked until |
| * receiver {@code N-1} reaches a terminal or deferred state. Similarly, in |
| * a prioritized broadcast, receiver {@code N} is blocked until all |
| * receivers of a higher priority reach a terminal or deferred state. |
| * <p> |
| * When there are no beyond count constraints, the blocked value for each |
| * receiver is {@code -1}. |
| */ |
| @VisibleForTesting |
| static @NonNull int[] calculateBlockedUntilBeyondCount( |
| @NonNull List<Object> receivers, boolean ordered) { |
| final int N = receivers.size(); |
| final int[] blockedUntilBeyondCount = new int[N]; |
| int lastPriority = 0; |
| int lastPriorityIndex = 0; |
| for (int i = 0; i < N; i++) { |
| if (ordered) { |
| // When sending an ordered broadcast, we need to block this |
| // receiver until all previous receivers have terminated |
| blockedUntilBeyondCount[i] = i; |
| } else { |
| // When sending a prioritized broadcast, we only need to wait |
| // for the previous tranche of receivers to be terminated |
| final int thisPriority = getReceiverPriority(receivers.get(i)); |
| if ((i == 0) || (thisPriority != lastPriority)) { |
| lastPriority = thisPriority; |
| lastPriorityIndex = i; |
| blockedUntilBeyondCount[i] = i; |
| } else { |
| blockedUntilBeyondCount[i] = lastPriorityIndex; |
| } |
| } |
| } |
| // If the entire list is in the same priority tranche, mark as -1 to |
| // indicate that none of them need to wait |
| if (N > 0 && blockedUntilBeyondCount[N - 1] == 0) { |
| Arrays.fill(blockedUntilBeyondCount, -1); |
| } |
| return blockedUntilBeyondCount; |
| } |
| |
| static int getReceiverUid(@NonNull Object receiver) { |
| if (receiver instanceof BroadcastFilter) { |
| return ((BroadcastFilter) receiver).owningUid; |
| } else /* if (receiver instanceof ResolveInfo) */ { |
| return ((ResolveInfo) receiver).activityInfo.applicationInfo.uid; |
| } |
| } |
| |
| static @NonNull String getReceiverProcessName(@NonNull Object receiver) { |
| if (receiver instanceof BroadcastFilter) { |
| return ((BroadcastFilter) receiver).receiverList.app.processName; |
| } else /* if (receiver instanceof ResolveInfo) */ { |
| return ((ResolveInfo) receiver).activityInfo.processName; |
| } |
| } |
| |
| static @NonNull String getReceiverPackageName(@NonNull Object receiver) { |
| if (receiver instanceof BroadcastFilter) { |
| return ((BroadcastFilter) receiver).receiverList.app.info.packageName; |
| } else /* if (receiver instanceof ResolveInfo) */ { |
| return ((ResolveInfo) receiver).activityInfo.packageName; |
| } |
| } |
| |
| static @Nullable String getReceiverClassName(@NonNull Object receiver) { |
| if (receiver instanceof BroadcastFilter) { |
| return ((BroadcastFilter) receiver).getReceiverClassName(); |
| } else /* if (receiver instanceof ResolveInfo) */ { |
| return ((ResolveInfo) receiver).activityInfo.name; |
| } |
| } |
| |
| static int getReceiverPriority(@NonNull Object receiver) { |
| if (receiver instanceof BroadcastFilter) { |
| return ((BroadcastFilter) receiver).getPriority(); |
| } else /* if (receiver instanceof ResolveInfo) */ { |
| return ((ResolveInfo) receiver).priority; |
| } |
| } |
| |
| static boolean isReceiverEquals(@NonNull Object a, @NonNull Object b) { |
| if (a == b) { |
| return true; |
| } else if (a instanceof ResolveInfo && b instanceof ResolveInfo) { |
| final ResolveInfo infoA = (ResolveInfo) a; |
| final ResolveInfo infoB = (ResolveInfo) b; |
| return Objects.equals(infoA.activityInfo.packageName, infoB.activityInfo.packageName) |
| && Objects.equals(infoA.activityInfo.name, infoB.activityInfo.name); |
| } else { |
| return false; |
| } |
| } |
| |
| /** |
| * Core policy determination about this broadcast's delivery prioritization |
| */ |
| @VisibleForTesting |
| static boolean calculateUrgent(@NonNull Intent intent, @Nullable BroadcastOptions options) { |
| // TODO: flags for controlling policy |
| // TODO: migrate alarm-prioritization flag to BroadcastConstants |
| if ((intent.getFlags() & Intent.FLAG_RECEIVER_FOREGROUND) != 0) { |
| return true; |
| } |
| if (options != null) { |
| if (options.isInteractive()) { |
| return true; |
| } |
| if (options.isAlarmBroadcast()) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Resolve the requested {@link BroadcastOptions#setDeferralPolicy(int)} |
| * against this broadcast state to determine if it should be marked as |
| * "defer until active". |
| */ |
| @VisibleForTesting |
| static boolean calculateDeferUntilActive(int callingUid, @Nullable BroadcastOptions options, |
| @Nullable IIntentReceiver resultTo, boolean ordered, boolean urgent) { |
| // Ordered broadcasts can never be deferred until active |
| if (ordered) { |
| return false; |
| } |
| |
| // Unordered resultTo broadcasts are always deferred until active |
| if (!ordered && resultTo != null) { |
| return true; |
| } |
| |
| // Determine if a strong preference in either direction was expressed; |
| // a preference here overrides all remaining policies |
| if (options != null) { |
| switch (options.getDeferralPolicy()) { |
| case BroadcastOptions.DEFERRAL_POLICY_UNTIL_ACTIVE: |
| return true; |
| case BroadcastOptions.DEFERRAL_POLICY_NONE: |
| return false; |
| } |
| } |
| |
| // Urgent broadcasts aren't deferred until active |
| if (urgent) { |
| return false; |
| } |
| |
| // Otherwise, choose a reasonable default |
| if (CORE_DEFER_UNTIL_ACTIVE && UserHandle.isCore(callingUid)) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| int calculateTypeForLogging() { |
| int type = BROADCAST_TYPE_NONE; |
| if (isForeground()) { |
| type |= BROADCAST_TYPE_FOREGROUND; |
| } else { |
| type |= BROADCAST_TYPE_BACKGROUND; |
| } |
| if (alarm) { |
| type |= BROADCAST_TYPE_ALARM; |
| } |
| if (interactive) { |
| type |= BROADCAST_TYPE_INTERACTIVE; |
| } |
| if (ordered) { |
| type |= BROADCAST_TYPE_ORDERED; |
| } |
| if (prioritized) { |
| type |= BROADCAST_TYPE_PRIORITIZED; |
| } |
| if (resultTo != null) { |
| type |= BROADCAST_TYPE_RESULT_TO; |
| } |
| if (deferUntilActive) { |
| type |= BROADCAST_TYPE_DEFERRABLE_UNTIL_ACTIVE; |
| } |
| if (pushMessage) { |
| type |= BROADCAST_TYPE_PUSH_MESSAGE; |
| } |
| if (pushMessageOverQuota) { |
| type |= BROADCAST_TYPE_PUSH_MESSAGE_OVER_QUOTA; |
| } |
| if (sticky) { |
| type |= BROADCAST_TYPE_STICKY; |
| } |
| if (initialSticky) { |
| type |= BROADCAST_TYPE_INITIAL_STICKY; |
| } |
| return type; |
| } |
| |
| 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; |
| } |
| |
| /** |
| * Apply special treatment to manifest receivers hosted by a singleton |
| * process, by re-targeting them at {@link UserHandle#USER_SYSTEM}. |
| */ |
| void applySingletonPolicy(@NonNull ActivityManagerService service) { |
| if (receivers == null) return; |
| for (int i = 0; i < receivers.size(); i++) { |
| final Object receiver = receivers.get(i); |
| if (receiver instanceof ResolveInfo) { |
| final ResolveInfo info = (ResolveInfo) receiver; |
| boolean isSingleton = false; |
| try { |
| isSingleton = service.isSingleton(info.activityInfo.processName, |
| info.activityInfo.applicationInfo, |
| info.activityInfo.name, info.activityInfo.flags); |
| } catch (SecurityException e) { |
| BroadcastQueue.logw(e.getMessage()); |
| } |
| final int receiverUid = info.activityInfo.applicationInfo.uid; |
| if (callingUid != android.os.Process.SYSTEM_UID && isSingleton |
| && service.isValidSingletonCall(callingUid, receiverUid)) { |
| info.activityInfo = service.getActivityInfoForUser(info.activityInfo, |
| UserHandle.USER_SYSTEM); |
| } |
| } |
| } |
| } |
| |
| boolean containsReceiver(@NonNull Object receiver) { |
| for (int i = receivers.size() - 1; i >= 0; --i) { |
| if (isReceiverEquals(receiver, receivers.get(i))) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| boolean containsAllReceivers(@NonNull List<Object> otherReceivers) { |
| for (int i = otherReceivers.size() - 1; i >= 0; --i) { |
| if (!containsReceiver(otherReceivers.get(i))) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| @DeliveryGroupPolicy |
| int getDeliveryGroupPolicy() { |
| return (options != null) ? options.getDeliveryGroupPolicy() |
| : BroadcastOptions.DELIVERY_GROUP_POLICY_ALL; |
| } |
| |
| boolean matchesDeliveryGroup(@NonNull BroadcastRecord other) { |
| return matchesDeliveryGroup(this, other); |
| } |
| |
| private static boolean matchesDeliveryGroup(@NonNull BroadcastRecord newRecord, |
| @NonNull BroadcastRecord oldRecord) { |
| final IntentFilter newMatchingFilter = getDeliveryGroupMatchingFilter(newRecord); |
| // If neither delivery group key nor matching filter is specified, then use |
| // Intent.filterEquals() to identify the delivery group. |
| if (isMatchingKeyNull(newRecord) && isMatchingKeyNull(oldRecord) |
| && newMatchingFilter == null) { |
| return newRecord.intent.filterEquals(oldRecord.intent); |
| } |
| if (newMatchingFilter != null && !newMatchingFilter.asPredicate().test(oldRecord.intent)) { |
| return false; |
| } |
| return areMatchingKeysEqual(newRecord, oldRecord); |
| } |
| |
| private static boolean isMatchingKeyNull(@NonNull BroadcastRecord record) { |
| final String namespace = getDeliveryGroupMatchingNamespaceFragment(record); |
| final String key = getDeliveryGroupMatchingKeyFragment(record); |
| // If either namespace or key part is null, then treat the entire matching key as null. |
| return namespace == null || key == null; |
| } |
| |
| private static boolean areMatchingKeysEqual(@NonNull BroadcastRecord newRecord, |
| @NonNull BroadcastRecord oldRecord) { |
| final String newNamespaceFragment = getDeliveryGroupMatchingNamespaceFragment(newRecord); |
| final String oldNamespaceFragment = getDeliveryGroupMatchingNamespaceFragment(oldRecord); |
| if (!Objects.equals(newNamespaceFragment, oldNamespaceFragment)) { |
| return false; |
| } |
| |
| final String newKeyFragment = getDeliveryGroupMatchingKeyFragment(newRecord); |
| final String oldKeyFragment = getDeliveryGroupMatchingKeyFragment(oldRecord); |
| return Objects.equals(newKeyFragment, oldKeyFragment); |
| } |
| |
| @Nullable |
| private static String getDeliveryGroupMatchingNamespaceFragment( |
| @NonNull BroadcastRecord record) { |
| return record.options == null |
| ? null : record.options.getDeliveryGroupMatchingNamespaceFragment(); |
| } |
| |
| @Nullable |
| private static String getDeliveryGroupMatchingKeyFragment(@NonNull BroadcastRecord record) { |
| return record.options == null |
| ? null : record.options.getDeliveryGroupMatchingKeyFragment(); |
| } |
| |
| @Nullable |
| private static IntentFilter getDeliveryGroupMatchingFilter(@NonNull BroadcastRecord record) { |
| return record.options == null ? null : record.options.getDeliveryGroupMatchingFilter(); |
| } |
| |
| /** |
| * Returns {@code true} if all the receivers are still waiting to receive the broadcast. |
| * Otherwise {@code false}. |
| */ |
| boolean allReceiversPending() { |
| // We could also count the number of receivers with deliver state DELIVERY_PENDING, but |
| // checking how many receivers have finished (either skipped or cancelled) and whether or |
| // not the dispatch has been started should be sufficient. |
| return (terminalCount == 0 && dispatchTime <= 0); |
| } |
| |
| boolean isMatchingRecord(@NonNull BroadcastRecord record) { |
| final int idx = mMatchingRecordsCache.indexOfKey(record); |
| if (idx > 0) { |
| return mMatchingRecordsCache.valueAt(idx); |
| } |
| // Consider a record to be matching if has the same receivers in the same order. |
| boolean matches = (receivers.size() == record.receivers.size()); |
| if (matches) { |
| for (int i = receivers.size() - 1; i >= 0; --i) { |
| if (!isReceiverEquals(receivers.get(i), record.receivers.get(i))) { |
| matches = false; |
| break; |
| } |
| } |
| } |
| mMatchingRecordsCache.put(record, matches); |
| return matches; |
| } |
| |
| void setMatchingRecordsCache(@NonNull ArrayMap<BroadcastRecord, Boolean> matchingRecordsCache) { |
| mMatchingRecordsCache = matchingRecordsCache; |
| } |
| |
| void clearMatchingRecordsCache() { |
| mMatchingRecordsCache = null; |
| } |
| |
| @Override |
| public String toString() { |
| if (mCachedToString == null) { |
| String label = intent.getAction(); |
| if (label == null) { |
| label = intent.toString(); |
| } |
| mCachedToString = "BroadcastRecord{" + toShortString() + "}"; |
| } |
| return mCachedToString; |
| } |
| |
| public String toShortString() { |
| if (mCachedToShortString == null) { |
| String label = intent.getAction(); |
| if (label == null) { |
| label = intent.toString(); |
| } |
| mCachedToShortString = Integer.toHexString(System.identityHashCode(this)) |
| + " " + label + "/u" + userId; |
| } |
| return mCachedToShortString; |
| } |
| |
| @NeverCompile |
| 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); |
| } |
| } |
