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 17 package com.android.server.am; 18 19 import com.android.internal.os.BatteryStatsImpl; 20 21 import android.app.INotificationManager; 22 import android.app.Notification; 23 import android.app.NotificationManager; 24 import android.content.ComponentName; 25 import android.content.Intent; 26 import android.content.pm.ApplicationInfo; 27 import android.content.pm.ServiceInfo; 28 import android.os.Binder; 29 import android.os.IBinder; 30 import android.os.RemoteException; 31 import android.os.SystemClock; 32 33 import java.io.PrintWriter; 34 import java.util.ArrayList; 35 import java.util.HashMap; 36 import java.util.Iterator; 37 import java.util.List; 38 39 /** 40 * A running application service. 41 */ 42 class 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 68 // Maximum number of delivery attempts before giving up. 69 static final int MAX_DELIVERY_COUNT = 3; 70 71 // Maximum number of times it can fail during execution before giving up. 72 static final int MAX_DONE_EXECUTING_COUNT = 6; 73 74 static class StartItem { 75 final int id; 76 final Intent intent; 77 long deliveredTime; 78 int deliveryCount; 79 int doneExecutingCount; 80 StartItem(int _id, Intent _intent)81 StartItem(int _id, Intent _intent) { 82 id = _id; 83 intent = _intent; 84 } 85 } 86 final ArrayList<StartItem> deliveredStarts = new ArrayList<StartItem>(); 87 // start() arguments which been delivered. 88 final ArrayList<StartItem> pendingStarts = new ArrayList<StartItem>(); 89 // start() arguments that haven't yet been delivered. 90 91 ProcessRecord app; // where this service is running or null. 92 boolean isForeground; // is service currently in foreground mode? 93 int foregroundId; // Notification ID of last foreground req. 94 Notification foregroundNoti; // Notification record of foreground state. 95 long lastActivity; // last time there was some activity on the service. 96 boolean startRequested; // someone explicitly called start? 97 boolean stopIfKilled; // last onStart() said to stop if service killed? 98 boolean callStart; // last onStart() has asked to alway be called on restart. 99 int lastStartId; // identifier of most recent start request. 100 int executeNesting; // number of outstanding operations keeping foreground. 101 long executingStart; // start time of last execute request. 102 int crashCount; // number of times proc has crashed with service running 103 int totalRestartCount; // number of times we have had to restart. 104 int restartCount; // number of restarts performed in a row. 105 long restartDelay; // delay until next restart attempt. 106 long restartTime; // time of last restart. 107 long nextRestartTime; // time when restartDelay will expire. 108 109 String stringName; // caching of toString 110 dumpStartList(PrintWriter pw, String prefix, List<StartItem> list, long now)111 void dumpStartList(PrintWriter pw, String prefix, List<StartItem> list, long now) { 112 final int N = list.size(); 113 for (int i=0; i<N; i++) { 114 StartItem si = list.get(i); 115 pw.print(prefix); pw.print("#"); pw.print(i); 116 pw.print(" id="); pw.print(si.id); 117 if (now != 0) pw.print(" dur="); pw.print(now-si.deliveredTime); 118 if (si.deliveryCount != 0) { 119 pw.print(" dc="); pw.print(si.deliveryCount); 120 } 121 if (si.doneExecutingCount != 0) { 122 pw.print(" dxc="); pw.print(si.doneExecutingCount); 123 } 124 pw.print(" "); 125 if (si.intent != null) pw.println(si.intent.toString()); 126 else pw.println("null"); 127 } 128 } 129 dump(PrintWriter pw, String prefix)130 void dump(PrintWriter pw, String prefix) { 131 pw.print(prefix); pw.print("intent={"); 132 pw.print(intent.getIntent().toShortString(true, false)); 133 pw.println('}'); 134 pw.print(prefix); pw.print("packageName="); pw.println(packageName); 135 pw.print(prefix); pw.print("processName="); pw.println(processName); 136 if (permission != null) { 137 pw.print(prefix); pw.print("permission="); pw.println(permission); 138 } 139 long now = SystemClock.uptimeMillis(); 140 pw.print(prefix); pw.print("baseDir="); pw.print(baseDir); 141 if (!resDir.equals(baseDir)) pw.print(" resDir="); pw.print(resDir); 142 pw.print(" dataDir="); pw.println(dataDir); 143 pw.print(prefix); pw.print("app="); pw.println(app); 144 if (isForeground || foregroundId != 0) { 145 pw.print(prefix); pw.print("isForeground="); pw.print(isForeground); 146 pw.print(" foregroundId="); pw.print(foregroundId); 147 pw.print(" foregroundNoti="); pw.println(foregroundNoti); 148 } 149 pw.print(prefix); pw.print("lastActivity="); pw.print(lastActivity-now); 150 pw.print(" executingStart="); pw.print(executingStart-now); 151 pw.print(" restartTime="); pw.println(restartTime); 152 if (startRequested || lastStartId != 0) { 153 pw.print(prefix); pw.print("startRequested="); pw.print(startRequested); 154 pw.print(" stopIfKilled="); pw.print(stopIfKilled); 155 pw.print(" callStart="); pw.print(callStart); 156 pw.print(" lastStartId="); pw.println(lastStartId); 157 } 158 if (executeNesting != 0 || crashCount != 0 || restartCount != 0 159 || restartDelay != 0 || nextRestartTime != 0) { 160 pw.print(prefix); pw.print("executeNesting="); pw.print(executeNesting); 161 pw.print(" restartCount="); pw.print(restartCount); 162 pw.print(" restartDelay="); pw.print(restartDelay-now); 163 pw.print(" nextRestartTime="); pw.print(nextRestartTime-now); 164 pw.print(" crashCount="); pw.println(crashCount); 165 } 166 if (deliveredStarts.size() > 0) { 167 pw.print(prefix); pw.println("Delivered Starts:"); 168 dumpStartList(pw, prefix, deliveredStarts, SystemClock.uptimeMillis()); 169 } 170 if (pendingStarts.size() > 0) { 171 pw.print(prefix); pw.println("Pending Starts:"); 172 dumpStartList(pw, prefix, pendingStarts, 0); 173 } 174 if (bindings.size() > 0) { 175 Iterator<IntentBindRecord> it = bindings.values().iterator(); 176 pw.print(prefix); pw.println("Bindings:"); 177 while (it.hasNext()) { 178 IntentBindRecord b = it.next(); 179 pw.print(prefix); pw.print("* IntentBindRecord{"); 180 pw.print(Integer.toHexString(System.identityHashCode(b))); 181 pw.println("}:"); 182 b.dumpInService(pw, prefix + " "); 183 } 184 } 185 if (connections.size() > 0) { 186 pw.print(prefix); pw.println("All Connections:"); 187 Iterator<ConnectionRecord> it = connections.values().iterator(); 188 while (it.hasNext()) { 189 ConnectionRecord c = it.next(); 190 pw.print(prefix); pw.print(" "); pw.println(c); 191 } 192 } 193 } 194 ServiceRecord(BatteryStatsImpl.Uid.Pkg.Serv servStats, ComponentName name, Intent.FilterComparison intent, ServiceInfo sInfo, Runnable restarter)195 ServiceRecord(BatteryStatsImpl.Uid.Pkg.Serv servStats, ComponentName name, 196 Intent.FilterComparison intent, ServiceInfo sInfo, Runnable restarter) { 197 this.stats = servStats; 198 this.name = name; 199 shortName = name.flattenToShortString(); 200 this.intent = intent; 201 serviceInfo = sInfo; 202 appInfo = sInfo.applicationInfo; 203 packageName = sInfo.applicationInfo.packageName; 204 processName = sInfo.processName; 205 permission = sInfo.permission; 206 baseDir = sInfo.applicationInfo.sourceDir; 207 resDir = sInfo.applicationInfo.publicSourceDir; 208 dataDir = sInfo.applicationInfo.dataDir; 209 exported = sInfo.exported; 210 this.restarter = restarter; 211 createTime = lastActivity = SystemClock.uptimeMillis(); 212 } 213 retrieveAppBindingLocked(Intent intent, ProcessRecord app)214 public AppBindRecord retrieveAppBindingLocked(Intent intent, 215 ProcessRecord app) { 216 Intent.FilterComparison filter = new Intent.FilterComparison(intent); 217 IntentBindRecord i = bindings.get(filter); 218 if (i == null) { 219 i = new IntentBindRecord(this, filter); 220 bindings.put(filter, i); 221 } 222 AppBindRecord a = i.apps.get(app); 223 if (a != null) { 224 return a; 225 } 226 a = new AppBindRecord(this, i, app); 227 i.apps.put(app, a); 228 return a; 229 } 230 resetRestartCounter()231 public void resetRestartCounter() { 232 restartCount = 0; 233 restartDelay = 0; 234 restartTime = 0; 235 } 236 findDeliveredStart(int id, boolean remove)237 public StartItem findDeliveredStart(int id, boolean remove) { 238 final int N = deliveredStarts.size(); 239 for (int i=0; i<N; i++) { 240 StartItem si = deliveredStarts.get(i); 241 if (si.id == id) { 242 if (remove) deliveredStarts.remove(i); 243 return si; 244 } 245 } 246 247 return null; 248 } 249 postNotification()250 public void postNotification() { 251 if (foregroundId != 0 && foregroundNoti != null) { 252 INotificationManager inm = NotificationManager.getService(); 253 if (inm != null) { 254 try { 255 int[] outId = new int[1]; 256 inm.enqueueNotification(packageName, foregroundId, 257 foregroundNoti, outId); 258 } catch (RemoteException e) { 259 } 260 } 261 } 262 } 263 cancelNotification()264 public void cancelNotification() { 265 if (foregroundId != 0) { 266 INotificationManager inm = NotificationManager.getService(); 267 if (inm != null) { 268 try { 269 inm.cancelNotification(packageName, foregroundId); 270 } catch (RemoteException e) { 271 } 272 } 273 } 274 } 275 toString()276 public String toString() { 277 if (stringName != null) { 278 return stringName; 279 } 280 StringBuilder sb = new StringBuilder(128); 281 sb.append("ServiceRecord{") 282 .append(Integer.toHexString(System.identityHashCode(this))) 283 .append(' ').append(shortName).append('}'); 284 return stringName = sb.toString(); 285 } 286 } 287