ServiceRecord.java revision d8a43f61680bacf0d4b52a03ff3c7a07307377fc
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 com.android.internal.os.BatteryStatsImpl; 20 21import android.app.INotificationManager; 22import android.app.Notification; 23import android.app.NotificationManager; 24import android.content.ComponentName; 25import android.content.Intent; 26import android.content.pm.ApplicationInfo; 27import android.content.pm.ServiceInfo; 28import android.os.Binder; 29import android.os.IBinder; 30import android.os.RemoteException; 31import android.os.SystemClock; 32 33import java.io.PrintWriter; 34import java.util.ArrayList; 35import java.util.HashMap; 36import java.util.Iterator; 37import java.util.List; 38 39/** 40 * A running application service. 41 */ 42class ServiceRecord extends Binder { 43 final BatteryStatsImpl.Uid.Pkg.Serv stats; 44 final ComponentName name; // service component. 45 final String shortName; // name.flattenToShortString(). 46 final Intent.FilterComparison intent; 47 // original intent used to find service. 48 final ServiceInfo serviceInfo; 49 // all information about the service. 50 final ApplicationInfo appInfo; 51 // information about service's app. 52 final String packageName; // the package implementing intent's component 53 final String processName; // process where this component wants to run 54 final String permission;// permission needed to access service 55 final String baseDir; // where activity source (resources etc) located 56 final String resDir; // where public activity source (public resources etc) located 57 final String dataDir; // where activity data should go 58 final boolean exported; // from ServiceInfo.exported 59 final Runnable restarter; // used to schedule retries of starting the service 60 final long createTime; // when this service was created 61 final HashMap<Intent.FilterComparison, IntentBindRecord> bindings 62 = new HashMap<Intent.FilterComparison, IntentBindRecord>(); 63 // All active bindings to the service. 64 final HashMap<IBinder, ConnectionRecord> connections 65 = new HashMap<IBinder, ConnectionRecord>(); 66 // IBinder -> ConnectionRecord of all bound clients 67 final List<Intent> startArgs = new ArrayList<Intent>(); 68 // start() arguments that haven't yet been delivered. 69 70 ProcessRecord app; // where this service is running or null. 71 boolean isForeground; // is service currently in foreground mode? 72 int foregroundId; // Notification ID of last foreground req. 73 Notification foregroundNoti; // Notification record of foreground state. 74 long lastActivity; // last time there was some activity on the service. 75 boolean startRequested; // someone explicitly called start? 76 int lastStartId; // identifier of most recent start request. 77 int executeNesting; // number of outstanding operations keeping foreground. 78 long executingStart; // start time of last execute request. 79 int crashCount; // number of times proc has crashed with service running 80 int totalRestartCount; // number of times we have had to restart. 81 int restartCount; // number of restarts performed in a row. 82 long restartDelay; // delay until next restart attempt. 83 long restartTime; // time of last restart. 84 long nextRestartTime; // time when restartDelay will expire. 85 86 String stringName; // caching of toString 87 88 void dump(PrintWriter pw, String prefix) { 89 pw.print(prefix); pw.print("intent={"); 90 pw.print(intent.getIntent().toShortString(true, false)); 91 pw.println('}'); 92 pw.print(prefix); pw.print("packageName="); pw.println(packageName); 93 pw.print(prefix); pw.print("processName="); pw.println(processName); 94 if (permission != null) { 95 pw.print(prefix); pw.print("permission="); pw.println(permission); 96 } 97 pw.print(prefix); pw.print("baseDir="); pw.print(baseDir); 98 if (!resDir.equals(baseDir)) pw.print(" resDir="); pw.print(resDir); 99 pw.print(" dataDir="); pw.println(dataDir); 100 pw.print(prefix); pw.print("app="); pw.println(app); 101 if (isForeground || foregroundId != 0) { 102 pw.print(prefix); pw.print("isForeground="); pw.print(isForeground); 103 pw.print(" foregroundId="); pw.print(foregroundId); 104 pw.print(" foregroundNoti="); pw.println(foregroundNoti); 105 } 106 pw.print(prefix); pw.print("lastActivity="); pw.print(lastActivity); 107 pw.print(" executingStart="); pw.print(executingStart); 108 pw.print(" restartTime="); pw.println(restartTime); 109 if (startRequested || lastStartId != 0) { 110 pw.print(prefix); pw.print("startRequested="); pw.print(startRequested); 111 pw.print(" lastStartId="); pw.println(lastStartId); 112 } 113 if (executeNesting != 0 || crashCount != 0 || restartCount != 0 114 || restartDelay != 0 || nextRestartTime != 0) { 115 pw.print(prefix); pw.print("executeNesting="); pw.print(executeNesting); 116 pw.print(" restartCount="); pw.print(restartCount); 117 pw.print(" restartDelay="); pw.print(restartDelay); 118 pw.print(" nextRestartTime="); pw.print(nextRestartTime); 119 pw.print(" crashCount="); pw.println(crashCount); 120 } 121 if (bindings.size() > 0) { 122 Iterator<IntentBindRecord> it = bindings.values().iterator(); 123 while (it.hasNext()) { 124 IntentBindRecord b = it.next(); 125 pw.print(prefix); pw.print("* IntentBindRecord{"); 126 pw.print(Integer.toHexString(System.identityHashCode(b))); 127 pw.println("}:"); 128 b.dumpInService(pw, prefix + " "); 129 } 130 } 131 if (connections.size() > 0) { 132 pw.print(prefix); pw.println("All Connections:"); 133 Iterator<ConnectionRecord> it = connections.values().iterator(); 134 while (it.hasNext()) { 135 ConnectionRecord c = it.next(); 136 pw.print(prefix); pw.print(" "); pw.println(c); 137 } 138 } 139 } 140 141 ServiceRecord(BatteryStatsImpl.Uid.Pkg.Serv servStats, ComponentName name, 142 Intent.FilterComparison intent, ServiceInfo sInfo, Runnable restarter) { 143 this.stats = servStats; 144 this.name = name; 145 shortName = name.flattenToShortString(); 146 this.intent = intent; 147 serviceInfo = sInfo; 148 appInfo = sInfo.applicationInfo; 149 packageName = sInfo.applicationInfo.packageName; 150 processName = sInfo.processName; 151 permission = sInfo.permission; 152 baseDir = sInfo.applicationInfo.sourceDir; 153 resDir = sInfo.applicationInfo.publicSourceDir; 154 dataDir = sInfo.applicationInfo.dataDir; 155 exported = sInfo.exported; 156 this.restarter = restarter; 157 createTime = lastActivity = SystemClock.uptimeMillis(); 158 } 159 160 public AppBindRecord retrieveAppBindingLocked(Intent intent, 161 ProcessRecord app) { 162 Intent.FilterComparison filter = new Intent.FilterComparison(intent); 163 IntentBindRecord i = bindings.get(filter); 164 if (i == null) { 165 i = new IntentBindRecord(this, filter); 166 bindings.put(filter, i); 167 } 168 AppBindRecord a = i.apps.get(app); 169 if (a != null) { 170 return a; 171 } 172 a = new AppBindRecord(this, i, app); 173 i.apps.put(app, a); 174 return a; 175 } 176 177 public void resetRestartCounter() { 178 restartCount = 0; 179 restartDelay = 0; 180 restartTime = 0; 181 } 182 183 public void postNotification() { 184 if (foregroundId != 0 && foregroundNoti != null) { 185 INotificationManager inm = NotificationManager.getService(); 186 if (inm != null) { 187 try { 188 int[] outId = new int[1]; 189 inm.enqueueNotification(packageName, foregroundId, 190 foregroundNoti, outId); 191 } catch (RemoteException e) { 192 } 193 } 194 } 195 } 196 197 public void cancelNotification() { 198 if (foregroundId != 0) { 199 INotificationManager inm = NotificationManager.getService(); 200 if (inm != null) { 201 try { 202 inm.cancelNotification(packageName, foregroundId); 203 } catch (RemoteException e) { 204 } 205 } 206 } 207 } 208 209 public String toString() { 210 if (stringName != null) { 211 return stringName; 212 } 213 StringBuilder sb = new StringBuilder(128); 214 sb.append("ServiceRecord{") 215 .append(Integer.toHexString(System.identityHashCode(this))) 216 .append(' ').append(shortName).append('}'); 217 return stringName = sb.toString(); 218 } 219} 220