Add BackgroundDexOptService

Change-Id: I0439a04f693ba92df906cbda34f8e53b32f63329

4 files changed, 183 insertions, 2 deletions

diff --git a/services/java/com/android/server/MountService.java b/services/java/com/android/server/MountService.java
index f73a92b..1fa0735 100644
--- a/services/java/com/android/server/MountService.java
+++ b/services/java/com/android/server/MountService.java
@@ -187,7 +187,7 @@ class MountService extends IMountService.Stub
         public static final int FstrimCompleted                = 700;
     }
 
-    private Context mContext;
+    private final Context mContext;
     private NativeDaemonConnector mConnector;
 
     private final Object mVolumesLock = new Object();
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index ade8414..8a3bc88 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -60,6 +60,7 @@ import com.android.server.media.MediaRouterService;
 import com.android.server.net.NetworkPolicyManagerService;
 import com.android.server.net.NetworkStatsService;
 import com.android.server.os.SchedulingPolicyService;
+import com.android.server.pm.BackgroundDexOptService;
 import com.android.server.pm.Installer;
 import com.android.server.pm.PackageManagerService;
 import com.android.server.pm.UserManagerService;
@@ -815,6 +816,13 @@ class ServerThread {
                 } catch (Throwable e) {
                     reportWtf("starting MediaRouterService", e);
                 }
+
+                try {
+                    Slog.i(TAG, "BackgroundDexOptService");
+                    new BackgroundDexOptService(context);
+                } catch (Throwable e) {
+                    reportWtf("starting BackgroundDexOptService", e);
+                }
             }
         }
 
diff --git a/services/java/com/android/server/pm/BackgroundDexOptService.java b/services/java/com/android/server/pm/BackgroundDexOptService.java
new file mode 100644
index 0000000..f2db791
--- /dev/null
+++ b/services/java/com/android/server/pm/BackgroundDexOptService.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2014 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.pm;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.ServiceManager;
+import android.os.UserHandle;
+import android.util.Log;
+
+import java.util.HashSet;
+import java.util.concurrent.atomic.AtomicBoolean;
+
+/**
+ * {@hide}
+ */
+public class BackgroundDexOptService {
+
+    static final String TAG = "BackgroundDexOptService";
+
+    private final BroadcastReceiver mIdleMaintenanceReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction();
+            if (Intent.ACTION_IDLE_MAINTENANCE_START.equals(action)) {
+                onIdleStart();
+            } else if (Intent.ACTION_IDLE_MAINTENANCE_END.equals(action)) {
+                onIdleStop();
+            }
+        }
+    };
+
+    final PackageManagerService mPackageManager;
+
+    final AtomicBoolean mIdleTime = new AtomicBoolean(false);
+
+    public BackgroundDexOptService(Context context) {
+        mPackageManager = (PackageManagerService)ServiceManager.getService("package");
+
+        IntentFilter idleMaintenanceFilter = new IntentFilter();
+        idleMaintenanceFilter.addAction(Intent.ACTION_IDLE_MAINTENANCE_START);
+        idleMaintenanceFilter.addAction(Intent.ACTION_IDLE_MAINTENANCE_END);
+        context.registerReceiverAsUser(mIdleMaintenanceReceiver, UserHandle.ALL,
+                                       idleMaintenanceFilter, null, null);
+    }
+
+    public boolean onIdleStart() {
+        Log.i(TAG, "onIdleStart");
+        if (mPackageManager.isStorageLow()) {
+            return false;
+        }
+        final HashSet<String> pkgs = mPackageManager.getPackagesThatNeedDexOpt();
+        if (pkgs == null) {
+            return false;
+        }
+        mIdleTime.set(true);
+        new Thread("BackgroundDexOptService_DexOpter") {
+            @Override
+            public void run() {
+                for (String pkg : pkgs) {
+                    if (!mIdleTime.get()) {
+                        break;
+                    }
+                    mPackageManager.performDexOpt(pkg, false);
+                }
+            }
+        }.start();
+        return true;
+    }
+
+    public void onIdleStop() {
+        Log.i(TAG, "onIdleStop");
+        mIdleTime.set(false);
+    }
+}
diff --git a/services/java/com/android/server/pm/PackageManagerService.java b/services/java/com/android/server/pm/PackageManagerService.java
index 9d9e383..e3e9d60 100755
--- a/services/java/com/android/server/pm/PackageManagerService.java
+++ b/services/java/com/android/server/pm/PackageManagerService.java
@@ -614,6 +614,7 @@ public class PackageManagerService extends IPackageManager.Stub {
             }
             if (mBackgroundWriteRunning.compareAndSet(false, true)) {
                 new Thread("PackageUsage_DiskWriter") {
+                    @Override
                     public void run() {
                         try {
                             write(true);
@@ -1688,10 +1689,12 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public boolean isFirstBoot() {
         return !mRestoredSettings;
     }
 
+    @Override
     public boolean isOnlyCoreApps() {
         return mOnlyCore;
     }
@@ -1989,6 +1992,7 @@ public class PackageManagerService extends IPackageManager.Stub {
                 state, userId);
     }
 
+    @Override
     public boolean isPackageAvailable(String packageName, int userId) {
         if (!sUserManager.exists(userId)) return false;
         enforceCrossUserPermission(Binder.getCallingUid(), userId, false, "is package available");
@@ -2026,6 +2030,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return null;
     }
 
+    @Override
     public String[] currentToCanonicalPackageNames(String[] names) {
         String[] out = new String[names.length];
         // reader
@@ -2038,6 +2043,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return out;
     }
     
+    @Override
     public String[] canonicalToCurrentPackageNames(String[] names) {
         String[] out = new String[names.length];
         // reader
@@ -2098,6 +2104,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return pi;
     }
     
+    @Override
     public PermissionInfo getPermissionInfo(String name, int flags) {
         // reader
         synchronized (mPackages) {
@@ -2109,6 +2116,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) {
         // reader
         synchronized (mPackages) {
@@ -2132,6 +2140,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) {
         // reader
         synchronized (mPackages) {
@@ -2140,6 +2149,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
         // reader
         synchronized (mPackages) {
@@ -2225,6 +2235,7 @@ public class PackageManagerService extends IPackageManager.Stub {
     }
 
 
+    @Override
     public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) {
         mContext.enforceCallingOrSelfPermission(
                 android.Manifest.permission.CLEAR_APP_CACHE, null);
@@ -2250,6 +2261,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         });
     }
 
+    @Override
     public void freeStorage(final long freeStorageSize, final IntentSender pi) {
         mContext.enforceCallingOrSelfPermission(
                 android.Manifest.permission.CLEAR_APP_CACHE, null);
@@ -2353,6 +2365,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return null;
     }
 
+    @Override
     public String[] getSystemSharedLibraryNames() {
         Set<String> libSet;
         synchronized (mPackages) {
@@ -2367,6 +2380,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return null;
     }
 
+    @Override
     public FeatureInfo[] getSystemAvailableFeatures() {
         Collection<FeatureInfo> featSet;
         synchronized (mPackages) {
@@ -2385,6 +2399,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return null;
     }
 
+    @Override
     public boolean hasSystemFeature(String name) {
         synchronized (mPackages) {
             return mAvailableFeatures.containsKey(name);
@@ -2399,6 +2414,7 @@ public class PackageManagerService extends IPackageManager.Stub {
                 + " is not privileged to communicate with user=" + userId);
     }
 
+    @Override
     public int checkPermission(String permName, String pkgName) {
         synchronized (mPackages) {
             PackageParser.Package p = mPackages.get(pkgName);
@@ -2416,6 +2432,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return PackageManager.PERMISSION_DENIED;
     }
 
+    @Override
     public int checkUidPermission(String permName, int uid) {
         synchronized (mPackages) {
             Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
@@ -2561,18 +2578,21 @@ public class PackageManagerService extends IPackageManager.Stub {
         return added;
     }
 
+    @Override
     public boolean addPermission(PermissionInfo info) {
         synchronized (mPackages) {
             return addPermissionLocked(info, false);
         }
     }
 
+    @Override
     public boolean addPermissionAsync(PermissionInfo info) {
         synchronized (mPackages) {
             return addPermissionLocked(info, true);
         }
     }
 
+    @Override
     public void removePermission(String name) {
         synchronized (mPackages) {
             checkPermissionTreeLP(name);
@@ -2617,6 +2637,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public void grantPermission(String packageName, String permissionName) {
         mContext.enforceCallingOrSelfPermission(
                 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null);
@@ -2646,6 +2667,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public void revokePermission(String packageName, String permissionName) {
         int changedAppId = -1;
 
@@ -2704,12 +2726,14 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public boolean isProtectedBroadcast(String actionName) {
         synchronized (mPackages) {
             return mProtectedBroadcasts.contains(actionName);
         }
     }
 
+    @Override
     public int checkSignatures(String pkg1, String pkg2) {
         synchronized (mPackages) {
             final PackageParser.Package p1 = mPackages.get(pkg1);
@@ -2722,6 +2746,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public int checkUidSignatures(int uid1, int uid2) {
         // Map to base uids.
         uid1 = UserHandle.getAppId(uid1);
@@ -2782,6 +2807,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return PackageManager.SIGNATURE_NO_MATCH;
     }
 
+    @Override
     public String[] getPackagesForUid(int uid) {
         uid = UserHandle.getAppId(uid);
         // reader
@@ -2805,6 +2831,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return null;
     }
 
+    @Override
     public String getNameForUid(int uid) {
         // reader
         synchronized (mPackages) {
@@ -2820,6 +2847,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return null;
     }
 
+    @Override
     public int getUidForSharedUser(String sharedUserName) {
         if(sharedUserName == null) {
             return -1;
@@ -2834,6 +2862,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public int getFlagsForUid(int uid) {
         synchronized (mPackages) {
             Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid));
@@ -3618,6 +3647,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public List<ProviderInfo> queryContentProviders(String processName,
             int uid, int flags) {
         ArrayList<ProviderInfo> finalList = null;
@@ -3655,6 +3685,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return finalList;
     }
 
+    @Override
     public InstrumentationInfo getInstrumentationInfo(ComponentName name,
             int flags) {
         // reader
@@ -3664,6 +3695,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public List<InstrumentationInfo> queryInstrumentation(String targetPackage,
             int flags) {
         ArrayList<InstrumentationInfo> finalList =
@@ -4166,6 +4198,10 @@ public class PackageManagerService extends IPackageManager.Stub {
     @Override
     public boolean performDexOpt(String packageName) {
         enforceSystemOrRoot("Only the system can request dexopt be performed");
+        return performDexOpt(packageName, true);
+    }
+
+    public boolean performDexOpt(String packageName, boolean updateUsage) {
 
         PackageParser.Package p;
         synchronized (mPackages) {
@@ -4173,7 +4209,9 @@ public class PackageManagerService extends IPackageManager.Stub {
             if (p == null) {
                 return false;
             }
-            p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
+            if (updateUsage) {
+                p.mLastPackageUsageTimeInMills = System.currentTimeMillis();
+            }
             mPackageUsage.write();
             if (!p.mDexOptNeeded) {
                 return false;
@@ -4186,6 +4224,25 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    public HashSet<String> getPackagesThatNeedDexOpt() {
+        HashSet<String> pkgs = null;
+        synchronized (mPackages) {
+            for (PackageParser.Package p : mPackages.values()) {
+                if (DEBUG_DEXOPT) {
+                    Log.i(TAG, p.packageName + " mDexOptNeeded=" + p.mDexOptNeeded);
+                }
+                if (!p.mDexOptNeeded) {
+                    continue;
+                }
+                if (pkgs == null) {
+                    pkgs = new HashSet<String>();
+                }
+                pkgs.add(p.packageName);
+            }
+        }
+        return pkgs;
+    }
+
     public void shutdown() {
         mPackageUsage.write(true);
     }
@@ -6913,6 +6970,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return mMediaMounted || Environment.isExternalStorageEmulated();
     }
 
+    @Override
     public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) {
         // writer
         synchronized (mPackages) {
@@ -7092,6 +7150,7 @@ public class PackageManagerService extends IPackageManager.Stub {
     }
 
     /* Called when a downloaded package installation has been confirmed by the user */
+    @Override
     public void installPackage(
             final Uri packageURI, final IPackageInstallObserver observer, final int flags,
             final String installerPackageName) {
@@ -7109,6 +7168,7 @@ public class PackageManagerService extends IPackageManager.Stub {
                 installerPackageName, verificationParams, encryptionParams);
     }
 
+    @Override
     public void installPackageWithVerificationAndEncryption(Uri packageURI,
             IPackageInstallObserver observer, int flags, String installerPackageName,
             VerificationParams verificationParams, ContainerEncryptionParams encryptionParams) {
@@ -7475,6 +7535,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public void finishPackageInstall(int token) {
         enforceSystemOrRoot("Only the system is allowed to finish installs");
 
@@ -7546,6 +7607,7 @@ public class PackageManagerService extends IPackageManager.Stub {
                 -1);
     }
 
+    @Override
     public void setInstallerPackageName(String targetPackage, String installerPackageName) {
         final int uid = Binder.getCallingUid();
         // writer
@@ -10434,6 +10496,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public void deleteApplicationCacheFiles(final String packageName,
             final IPackageDataObserver observer) {
         mContext.enforceCallingOrSelfPermission(
@@ -10486,6 +10549,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return true;
     }
 
+    @Override
     public void getPackageSizeInfo(final String packageName, int userHandle,
             final IPackageStatsObserver observer) {
         mContext.enforceCallingOrSelfPermission(
@@ -10562,14 +10626,17 @@ public class PackageManagerService extends IPackageManager.Stub {
     }
 
 
+    @Override
     public void addPackageToPreferred(String packageName) {
         Slog.w(TAG, "addPackageToPreferred: this is now a no-op");
     }
 
+    @Override
     public void removePackageFromPreferred(String packageName) {
         Slog.w(TAG, "removePackageFromPreferred: this is now a no-op");
     }
 
+    @Override
     public List<PackageInfo> getPreferredPackages(int flags) {
         return new ArrayList<PackageInfo>();
     }
@@ -10597,6 +10664,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return Build.VERSION_CODES.CUR_DEVELOPMENT;
     }
 
+    @Override
     public void addPreferredActivity(IntentFilter filter, int match,
             ComponentName[] set, ComponentName activity, int userId) {
         addPreferredActivityInternal(filter, match, set, activity, true, userId);
@@ -10633,6 +10701,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public void replacePreferredActivity(IntentFilter filter, int match,
             ComponentName[] set, ComponentName activity) {
         if (filter.countActions() != 1) {
@@ -10689,6 +10758,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public void clearPackagePreferredActivities(String packageName) {
         final int uid = Binder.getCallingUid();
         // writer
@@ -10752,6 +10822,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return changed;
     }
 
+    @Override
     public void resetPreferredActivities(int userId) {
         mContext.enforceCallingOrSelfPermission(
                 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null);
@@ -10765,6 +10836,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public int getPreferredActivities(List<IntentFilter> outFilters,
             List<ComponentName> outActivities, String packageName) {
 
@@ -10976,6 +11048,7 @@ public class PackageManagerService extends IPackageManager.Stub {
                 new int[] {UserHandle.getUserId(packageUid)});
     }
 
+    @Override
     public void setPackageStoppedState(String packageName, boolean stopped, int userId) {
         if (!sUserManager.exists(userId)) return;
         final int uid = Binder.getCallingUid();
@@ -10992,6 +11065,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public String getInstallerPackageName(String packageName) {
         // reader
         synchronized (mPackages) {
@@ -11021,6 +11095,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public void enterSafeMode() {
         enforceSystemOrRoot("Only the system can request entering safe mode");
 
@@ -11029,6 +11104,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         }
     }
 
+    @Override
     public void systemReady() {
         mSystemReady = true;
 
@@ -11074,10 +11150,12 @@ public class PackageManagerService extends IPackageManager.Stub {
         sUserManager.systemReady();
     }
 
+    @Override
     public boolean isSafeMode() {
         return mSafeMode;
     }
 
+    @Override
     public boolean hasSystemUidErrors() {
         return mHasSystemUidErrors;
     }
@@ -11517,6 +11595,7 @@ public class PackageManagerService extends IPackageManager.Stub {
     /*
      * Update media status on PackageManager.
      */
+    @Override
     public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) {
         int callingUid = Binder.getCallingUid();
         if (callingUid != 0 && callingUid != Process.SYSTEM_UID) {
@@ -12108,6 +12187,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         });
     }
 
+    @Override
     public boolean setInstallLocation(int loc) {
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS,
                 null);
@@ -12123,6 +12203,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return false;
    }
 
+    @Override
     public int getInstallLocation() {
         return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
                 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION,
@@ -12194,6 +12275,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         return true;
     }
 
+    @Override
     public boolean isStorageLow() {
         final long token = Binder.clearCallingIdentity();
         try {