/services/java/com/android/server/am/ServiceRecord.java
https://github.com/aizuzi/platform_frameworks_base · Java · 543 lines · 465 code · 35 blank · 43 comment · 100 complexity · 9cd6742b21e8955f857fef317a2bbfb9 MD5 · raw file
- /*
- * 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 com.android.internal.app.ProcessStats;
- import com.android.internal.os.BatteryStatsImpl;
- import com.android.server.NotificationManagerService;
- import android.app.INotificationManager;
- import android.app.Notification;
- import android.app.NotificationManager;
- import android.app.PendingIntent;
- import android.content.ComponentName;
- import android.content.Context;
- import android.content.Intent;
- import android.content.pm.ApplicationInfo;
- import android.content.pm.PackageManager;
- import android.content.pm.ServiceInfo;
- import android.net.Uri;
- import android.os.Binder;
- import android.os.IBinder;
- import android.os.RemoteException;
- import android.os.SystemClock;
- import android.os.UserHandle;
- import android.provider.Settings;
- import android.util.ArrayMap;
- import android.util.Slog;
- import android.util.TimeUtils;
- import java.io.PrintWriter;
- import java.util.ArrayList;
- import java.util.List;
- /**
- * A running application service.
- */
- final class ServiceRecord extends Binder {
- // Maximum number of delivery attempts before giving up.
- static final int MAX_DELIVERY_COUNT = 3;
- // Maximum number of times it can fail during execution before giving up.
- static final int MAX_DONE_EXECUTING_COUNT = 6;
- final ActivityManagerService ams;
- final BatteryStatsImpl.Uid.Pkg.Serv stats;
- final ComponentName name; // service component.
- final String shortName; // name.flattenToShortString().
- final Intent.FilterComparison intent;
- // original intent used to find service.
- final ServiceInfo serviceInfo;
- // all information about the service.
- final ApplicationInfo appInfo;
- // information about service's app.
- final int userId; // user that this service is running as
- final String packageName; // the package implementing intent's component
- final String processName; // process where this component wants to run
- final String permission;// permission needed to access service
- final String baseDir; // where activity source (resources etc) located
- final String resDir; // where public activity source (public resources etc) located
- final String dataDir; // where activity data should go
- final boolean exported; // from ServiceInfo.exported
- final Runnable restarter; // used to schedule retries of starting the service
- final long createTime; // when this service was created
- final ArrayMap<Intent.FilterComparison, IntentBindRecord> bindings
- = new ArrayMap<Intent.FilterComparison, IntentBindRecord>();
- // All active bindings to the service.
- final ArrayMap<IBinder, ArrayList<ConnectionRecord>> connections
- = new ArrayMap<IBinder, ArrayList<ConnectionRecord>>();
- // IBinder -> ConnectionRecord of all bound clients
- ProcessRecord app; // where this service is running or null.
- ProcessRecord isolatedProc; // keep track of isolated process, if requested
- ProcessStats.ServiceState tracker; // tracking service execution, may be null
- ProcessStats.ServiceState restartTracker; // tracking service restart
- boolean delayed; // are we waiting to start this service in the background?
- boolean isForeground; // is service currently in foreground mode?
- int foregroundId; // Notification ID of last foreground req.
- Notification foregroundNoti; // Notification record of foreground state.
- long lastActivity; // last time there was some activity on the service.
- long startingBgTimeout; // time at which we scheduled this for a delayed start.
- boolean startRequested; // someone explicitly called start?
- boolean delayedStop; // service has been stopped but is in a delayed start?
- boolean stopIfKilled; // last onStart() said to stop if service killed?
- boolean callStart; // last onStart() has asked to alway be called on restart.
- int executeNesting; // number of outstanding operations keeping foreground.
- boolean executeFg; // should we be executing in the foreground?
- long executingStart; // start time of last execute request.
- boolean createdFromFg; // was this service last created due to a foreground process call?
- int crashCount; // number of times proc has crashed with service running
- int totalRestartCount; // number of times we have had to restart.
- int restartCount; // number of restarts performed in a row.
- long restartDelay; // delay until next restart attempt.
- long restartTime; // time of last restart.
- long nextRestartTime; // time when restartDelay will expire.
- String stringName; // caching of toString
-
- private int lastStartId; // identifier of most recent start request.
- static class StartItem {
- final ServiceRecord sr;
- final boolean taskRemoved;
- final int id;
- final Intent intent;
- final ActivityManagerService.NeededUriGrants neededGrants;
- long deliveredTime;
- int deliveryCount;
- int doneExecutingCount;
- UriPermissionOwner uriPermissions;
- String stringName; // caching of toString
- StartItem(ServiceRecord _sr, boolean _taskRemoved, int _id, Intent _intent,
- ActivityManagerService.NeededUriGrants _neededGrants) {
- sr = _sr;
- taskRemoved = _taskRemoved;
- id = _id;
- intent = _intent;
- neededGrants = _neededGrants;
- }
- UriPermissionOwner getUriPermissionsLocked() {
- if (uriPermissions == null) {
- uriPermissions = new UriPermissionOwner(sr.ams, this);
- }
- return uriPermissions;
- }
- void removeUriPermissionsLocked() {
- if (uriPermissions != null) {
- uriPermissions.removeUriPermissionsLocked();
- uriPermissions = null;
- }
- }
- public String toString() {
- if (stringName != null) {
- return stringName;
- }
- StringBuilder sb = new StringBuilder(128);
- sb.append("ServiceRecord{")
- .append(Integer.toHexString(System.identityHashCode(sr)))
- .append(' ').append(sr.shortName)
- .append(" StartItem ")
- .append(Integer.toHexString(System.identityHashCode(this)))
- .append(" id=").append(id).append('}');
- return stringName = sb.toString();
- }
- }
- final ArrayList<StartItem> deliveredStarts = new ArrayList<StartItem>();
- // start() arguments which been delivered.
- final ArrayList<StartItem> pendingStarts = new ArrayList<StartItem>();
- // start() arguments that haven't yet been delivered.
- void dumpStartList(PrintWriter pw, String prefix, List<StartItem> list, long now) {
- final int N = list.size();
- for (int i=0; i<N; i++) {
- StartItem si = list.get(i);
- pw.print(prefix); pw.print("#"); pw.print(i);
- pw.print(" id="); pw.print(si.id);
- if (now != 0) {
- pw.print(" dur=");
- TimeUtils.formatDuration(si.deliveredTime, now, pw);
- }
- if (si.deliveryCount != 0) {
- pw.print(" dc="); pw.print(si.deliveryCount);
- }
- if (si.doneExecutingCount != 0) {
- pw.print(" dxc="); pw.print(si.doneExecutingCount);
- }
- pw.println("");
- pw.print(prefix); pw.print(" intent=");
- if (si.intent != null) pw.println(si.intent.toString());
- else pw.println("null");
- if (si.neededGrants != null) {
- pw.print(prefix); pw.print(" neededGrants=");
- pw.println(si.neededGrants);
- }
- if (si.uriPermissions != null) {
- if (si.uriPermissions.readUriPermissions != null) {
- pw.print(prefix); pw.print(" readUriPermissions=");
- pw.println(si.uriPermissions.readUriPermissions);
- }
- if (si.uriPermissions.writeUriPermissions != null) {
- pw.print(prefix); pw.print(" writeUriPermissions=");
- pw.println(si.uriPermissions.writeUriPermissions);
- }
- }
- }
- }
-
- void dump(PrintWriter pw, String prefix) {
- pw.print(prefix); pw.print("intent={");
- pw.print(intent.getIntent().toShortString(false, true, false, true));
- pw.println('}');
- pw.print(prefix); pw.print("packageName="); pw.println(packageName);
- pw.print(prefix); pw.print("processName="); pw.println(processName);
- if (permission != null) {
- pw.print(prefix); pw.print("permission="); pw.println(permission);
- }
- long now = SystemClock.uptimeMillis();
- long nowReal = SystemClock.elapsedRealtime();
- pw.print(prefix); pw.print("baseDir="); pw.println(baseDir);
- if (!resDir.equals(baseDir)) {
- pw.print(prefix); pw.print("resDir="); pw.println(resDir);
- }
- pw.print(prefix); pw.print("dataDir="); pw.println(dataDir);
- pw.print(prefix); pw.print("app="); pw.println(app);
- if (isolatedProc != null) {
- pw.print(prefix); pw.print("isolatedProc="); pw.println(isolatedProc);
- }
- if (delayed) {
- pw.print(prefix); pw.print("delayed="); pw.println(delayed);
- }
- if (isForeground || foregroundId != 0) {
- pw.print(prefix); pw.print("isForeground="); pw.print(isForeground);
- pw.print(" foregroundId="); pw.print(foregroundId);
- pw.print(" foregroundNoti="); pw.println(foregroundNoti);
- }
- pw.print(prefix); pw.print("createTime=");
- TimeUtils.formatDuration(createTime, nowReal, pw);
- pw.print(" startingBgTimeout=");
- TimeUtils.formatDuration(startingBgTimeout, now, pw);
- pw.println();
- pw.print(prefix); pw.print("lastActivity=");
- TimeUtils.formatDuration(lastActivity, now, pw);
- pw.print(" restartTime=");
- TimeUtils.formatDuration(restartTime, now, pw);
- pw.print(" createdFromFg="); pw.println(createdFromFg);
- if (startRequested || delayedStop || lastStartId != 0) {
- pw.print(prefix); pw.print("startRequested="); pw.print(startRequested);
- pw.print(" delayedStop="); pw.print(delayedStop);
- pw.print(" stopIfKilled="); pw.print(stopIfKilled);
- pw.print(" callStart="); pw.print(callStart);
- pw.print(" lastStartId="); pw.println(lastStartId);
- }
- if (executeNesting != 0) {
- pw.print(prefix); pw.print("executeNesting="); pw.print(executeNesting);
- pw.print(" executeFg="); pw.print(executeFg);
- pw.print(" executingStart=");
- TimeUtils.formatDuration(executingStart, now, pw);
- pw.println();
- }
- if (crashCount != 0 || restartCount != 0
- || restartDelay != 0 || nextRestartTime != 0) {
- pw.print(prefix); pw.print("restartCount="); pw.print(restartCount);
- pw.print(" restartDelay=");
- TimeUtils.formatDuration(restartDelay, now, pw);
- pw.print(" nextRestartTime=");
- TimeUtils.formatDuration(nextRestartTime, now, pw);
- pw.print(" crashCount="); pw.println(crashCount);
- }
- if (deliveredStarts.size() > 0) {
- pw.print(prefix); pw.println("Delivered Starts:");
- dumpStartList(pw, prefix, deliveredStarts, now);
- }
- if (pendingStarts.size() > 0) {
- pw.print(prefix); pw.println("Pending Starts:");
- dumpStartList(pw, prefix, pendingStarts, 0);
- }
- if (bindings.size() > 0) {
- pw.print(prefix); pw.println("Bindings:");
- for (int i=0; i<bindings.size(); i++) {
- IntentBindRecord b = bindings.valueAt(i);
- pw.print(prefix); pw.print("* IntentBindRecord{");
- pw.print(Integer.toHexString(System.identityHashCode(b)));
- if ((b.collectFlags()&Context.BIND_AUTO_CREATE) != 0) {
- pw.append(" CREATE");
- }
- pw.println("}:");
- b.dumpInService(pw, prefix + " ");
- }
- }
- if (connections.size() > 0) {
- pw.print(prefix); pw.println("All Connections:");
- for (int conni=0; conni<connections.size(); conni++) {
- ArrayList<ConnectionRecord> c = connections.valueAt(conni);
- for (int i=0; i<c.size(); i++) {
- pw.print(prefix); pw.print(" "); pw.println(c.get(i));
- }
- }
- }
- }
- ServiceRecord(ActivityManagerService ams,
- BatteryStatsImpl.Uid.Pkg.Serv servStats, ComponentName name,
- Intent.FilterComparison intent, ServiceInfo sInfo, boolean callerIsFg,
- Runnable restarter) {
- this.ams = ams;
- this.stats = servStats;
- this.name = name;
- shortName = name.flattenToShortString();
- this.intent = intent;
- serviceInfo = sInfo;
- appInfo = sInfo.applicationInfo;
- packageName = sInfo.applicationInfo.packageName;
- processName = sInfo.processName;
- permission = sInfo.permission;
- baseDir = sInfo.applicationInfo.sourceDir;
- resDir = sInfo.applicationInfo.publicSourceDir;
- dataDir = sInfo.applicationInfo.dataDir;
- exported = sInfo.exported;
- this.restarter = restarter;
- createTime = SystemClock.elapsedRealtime();
- lastActivity = SystemClock.uptimeMillis();
- userId = UserHandle.getUserId(appInfo.uid);
- createdFromFg = callerIsFg;
- }
- public ProcessStats.ServiceState getTracker() {
- if (tracker != null) {
- return tracker;
- }
- if ((serviceInfo.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) == 0) {
- tracker = ams.mProcessStats.getServiceStateLocked(serviceInfo.packageName,
- serviceInfo.applicationInfo.uid, serviceInfo.processName, serviceInfo.name);
- tracker.applyNewOwner(this);
- }
- return tracker;
- }
- public void forceClearTracker() {
- if (tracker != null) {
- tracker.clearCurrentOwner(this, true);
- tracker = null;
- }
- }
- public void makeRestarting(int memFactor, long now) {
- if (restartTracker == null) {
- if ((serviceInfo.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) == 0) {
- restartTracker = ams.mProcessStats.getServiceStateLocked(serviceInfo.packageName,
- serviceInfo.applicationInfo.uid, serviceInfo.processName, serviceInfo.name);
- }
- if (restartTracker == null) {
- return;
- }
- }
- restartTracker.setRestarting(true, memFactor, now);
- }
- public AppBindRecord retrieveAppBindingLocked(Intent intent,
- ProcessRecord app) {
- Intent.FilterComparison filter = new Intent.FilterComparison(intent);
- IntentBindRecord i = bindings.get(filter);
- if (i == null) {
- i = new IntentBindRecord(this, filter);
- bindings.put(filter, i);
- }
- AppBindRecord a = i.apps.get(app);
- if (a != null) {
- return a;
- }
- a = new AppBindRecord(this, i, app);
- i.apps.put(app, a);
- return a;
- }
- public boolean hasAutoCreateConnections() {
- // XXX should probably keep a count of the number of auto-create
- // connections directly in the service.
- for (int conni=connections.size()-1; conni>=0; conni--) {
- ArrayList<ConnectionRecord> cr = connections.valueAt(conni);
- for (int i=0; i<cr.size(); i++) {
- if ((cr.get(i).flags&Context.BIND_AUTO_CREATE) != 0) {
- return true;
- }
- }
- }
- return false;
- }
- public void resetRestartCounter() {
- restartCount = 0;
- restartDelay = 0;
- restartTime = 0;
- }
-
- public StartItem findDeliveredStart(int id, boolean remove) {
- final int N = deliveredStarts.size();
- for (int i=0; i<N; i++) {
- StartItem si = deliveredStarts.get(i);
- if (si.id == id) {
- if (remove) deliveredStarts.remove(i);
- return si;
- }
- }
-
- return null;
- }
-
- public int getLastStartId() {
- return lastStartId;
- }
- public int makeNextStartId() {
- lastStartId++;
- if (lastStartId < 1) {
- lastStartId = 1;
- }
- return lastStartId;
- }
- public void postNotification() {
- final int appUid = appInfo.uid;
- final int appPid = app.pid;
- if (foregroundId != 0 && foregroundNoti != null) {
- // Do asynchronous communication with notification manager to
- // avoid deadlocks.
- final String localPackageName = packageName;
- final int localForegroundId = foregroundId;
- final Notification localForegroundNoti = foregroundNoti;
- ams.mHandler.post(new Runnable() {
- public void run() {
- NotificationManagerService nm =
- (NotificationManagerService) NotificationManager.getService();
- if (nm == null) {
- return;
- }
- try {
- if (localForegroundNoti.icon == 0) {
- // It is not correct for the caller to supply a notification
- // icon, but this used to be able to slip through, so for
- // those dirty apps give it the app's icon.
- localForegroundNoti.icon = appInfo.icon;
- // Do not allow apps to present a sneaky invisible content view either.
- localForegroundNoti.contentView = null;
- localForegroundNoti.bigContentView = null;
- CharSequence appName = appInfo.loadLabel(
- ams.mContext.getPackageManager());
- if (appName == null) {
- appName = appInfo.packageName;
- }
- Context ctx = null;
- try {
- ctx = ams.mContext.createPackageContext(
- appInfo.packageName, 0);
- Intent runningIntent = new Intent(
- Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
- runningIntent.setData(Uri.fromParts("package",
- appInfo.packageName, null));
- PendingIntent pi = PendingIntent.getActivity(ams.mContext, 0,
- runningIntent, PendingIntent.FLAG_UPDATE_CURRENT);
- localForegroundNoti.setLatestEventInfo(ctx,
- ams.mContext.getString(
- com.android.internal.R.string
- .app_running_notification_title,
- appName),
- ams.mContext.getString(
- com.android.internal.R.string
- .app_running_notification_text,
- appName),
- pi);
- } catch (PackageManager.NameNotFoundException e) {
- localForegroundNoti.icon = 0;
- }
- }
- if (localForegroundNoti.icon == 0) {
- // Notifications whose icon is 0 are defined to not show
- // a notification, silently ignoring it. We don't want to
- // just ignore it, we want to prevent the service from
- // being foreground.
- throw new RuntimeException("icon must be non-zero");
- }
- int[] outId = new int[1];
- nm.enqueueNotificationInternal(localPackageName, localPackageName,
- appUid, appPid, null, localForegroundId, localForegroundNoti,
- outId, userId);
- } catch (RuntimeException e) {
- Slog.w(ActivityManagerService.TAG,
- "Error showing notification for service", e);
- // If it gave us a garbage notification, it doesn't
- // get to be foreground.
- ams.setServiceForeground(name, ServiceRecord.this,
- 0, null, true);
- ams.crashApplication(appUid, appPid, localPackageName,
- "Bad notification for startForeground: " + e);
- }
- }
- });
- }
- }
-
- public void cancelNotification() {
- if (foregroundId != 0) {
- // Do asynchronous communication with notification manager to
- // avoid deadlocks.
- final String localPackageName = packageName;
- final int localForegroundId = foregroundId;
- ams.mHandler.post(new Runnable() {
- public void run() {
- INotificationManager inm = NotificationManager.getService();
- if (inm == null) {
- return;
- }
- try {
- inm.cancelNotificationWithTag(localPackageName, null,
- localForegroundId, userId);
- } catch (RuntimeException e) {
- Slog.w(ActivityManagerService.TAG,
- "Error canceling notification for service", e);
- } catch (RemoteException e) {
- }
- }
- });
- }
- }
-
- public void clearDeliveredStartsLocked() {
- for (int i=deliveredStarts.size()-1; i>=0; i--) {
- deliveredStarts.get(i).removeUriPermissionsLocked();
- }
- deliveredStarts.clear();
- }
- public String toString() {
- if (stringName != null) {
- return stringName;
- }
- StringBuilder sb = new StringBuilder(128);
- sb.append("ServiceRecord{")
- .append(Integer.toHexString(System.identityHashCode(this)))
- .append(" u").append(userId)
- .append(' ').append(shortName).append('}');
- return stringName = sb.toString();
- }
- }