Merge "Persist destroyed staged sessions until they are cleaned up" into qt-dev am: 30348d5cdc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16575908

Change-Id: I4b67d39d39b3592139235e3375edf5c408795e79

services/core/java/com/android/server/pm/PackageInstallerService.java

@@ -634,7 +634,7 @@ public class PackageInstallerService extends IPackageInstaller.Stub implements
         session = new PackageInstallerSession(mInternalCallback, mContext, mPm, this,
                 mInstallThread.getLooper(), mStagingManager, sessionId, userId,
                 installerPackageName, callingUid, params, createdMillis, stageDir, stageCid, false,
-                false, false, null, SessionInfo.INVALID_ID, false, false, false,
+                false, false, false, null, SessionInfo.INVALID_ID, false, false, false,
                 SessionInfo.STAGED_SESSION_NO_ERROR, "");
 
         synchronized (mSessions) {
@@ -784,7 +784,7 @@ public class PackageInstallerService extends IPackageInstaller.Stub implements
         synchronized (mSessions) {
             final PackageInstallerSession session = mSessions.get(sessionId);
 
-            return session != null
+            return (session != null && !(session.isStaged() && session.isDestroyed()))
                     ? session.generateInfoForCaller(true /*withIcon*/, Binder.getCallingUid())
                     : null;
         }
@@ -805,7 +805,8 @@ public class PackageInstallerService extends IPackageInstaller.Stub implements
         synchronized (mSessions) {
             for (int i = 0; i < mSessions.size(); i++) {
                 final PackageInstallerSession session = mSessions.valueAt(i);
-                if (session.userId == userId && !session.hasParentSessionId()) {
+                if (session.userId == userId && !session.hasParentSessionId()
+                        && !(session.isStaged() && session.isDestroyed())) {
                     result.add(session.generateInfoForCaller(false, callingUid));
                 }
             }

services/core/java/com/android/server/pm/PackageInstallerSession.java

@@ -151,6 +151,7 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
     private static final String ATTR_SESSION_STAGE_CID = "sessionStageCid";
     private static final String ATTR_PREPARED = "prepared";
     private static final String ATTR_COMMITTED = "committed";
+    private static final String ATTR_DESTROYED = "destroyed";
     private static final String ATTR_SEALED = "sealed";
     private static final String ATTR_MULTI_PACKAGE = "multiPackage";
     private static final String ATTR_PARENT_SESSION_ID = "parentSessionId";
@@ -413,8 +414,8 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
             PackageSessionProvider sessionProvider, Looper looper, StagingManager stagingManager,
             int sessionId, int userId,
             String installerPackageName, int installerUid, SessionParams params, long createdMillis,
-            File stageDir, String stageCid, boolean prepared, boolean committed, boolean sealed,
-            @Nullable int[] childSessionIds, int parentSessionId, boolean isReady,
+            File stageDir, String stageCid, boolean prepared, boolean committed, boolean destroyed,
+            boolean sealed, @Nullable int[] childSessionIds, int parentSessionId, boolean isReady,
             boolean isFailed, boolean isApplied, int stagedSessionErrorCode,
             String stagedSessionErrorMessage) {
         mCallback = callback;
@@ -449,6 +450,7 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
 
         mPrepared = prepared;
         mCommitted = committed;
+        mDestroyed = destroyed;
         mStagedSessionReady = isReady;
         mStagedSessionFailed = isFailed;
         mStagedSessionApplied = isApplied;
@@ -559,6 +561,13 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
         }
     }
 
+    /** {@hide} */
+    boolean isDestroyed() {
+        synchronized (mLock) {
+            return mDestroyed;
+        }
+    }
+
     /** Returns true if a staged session has reached a final state and can be forgotten about  */
     public boolean isStagedAndInTerminalState() {
         synchronized (mLock) {
@@ -2416,7 +2425,7 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
      */
     void write(@NonNull XmlSerializer out, @NonNull File sessionsDir) throws IOException {
         synchronized (mLock) {
-            if (mDestroyed) {
+            if (mDestroyed && !params.isStaged) {
                 return;
             }
 
@@ -2438,6 +2447,7 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
             }
             writeBooleanAttribute(out, ATTR_PREPARED, isPrepared());
             writeBooleanAttribute(out, ATTR_COMMITTED, isCommitted());
+            writeBooleanAttribute(out, ATTR_DESTROYED, isDestroyed());
             writeBooleanAttribute(out, ATTR_SEALED, isSealed());
 
             writeBooleanAttribute(out, ATTR_MULTI_PACKAGE, params.isMultiPackage);
@@ -2539,6 +2549,7 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
         final String stageCid = readStringAttribute(in, ATTR_SESSION_STAGE_CID);
         final boolean prepared = readBooleanAttribute(in, ATTR_PREPARED, true);
         final boolean committed = readBooleanAttribute(in, ATTR_COMMITTED);
+        final boolean destroyed = readBooleanAttribute(in, ATTR_DESTROYED);
         final boolean sealed = readBooleanAttribute(in, ATTR_SEALED);
         final int parentSessionId = readIntAttribute(in, ATTR_PARENT_SESSION_ID,
                 SessionInfo.INVALID_ID);
@@ -2626,8 +2637,8 @@ public class PackageInstallerSession extends IPackageInstallerSession.Stub {
         return new PackageInstallerSession(callback, context, pm, sessionProvider,
                 installerThread, stagingManager, sessionId, userId, installerPackageName,
                 installerUid, params, createdMillis, stageDir, stageCid, prepared, committed,
-                sealed, childSessionIdsArray, parentSessionId, isReady, isFailed, isApplied,
-                stagedSessionErrorCode, stagedSessionErrorMessage);
+                destroyed, sealed, childSessionIdsArray, parentSessionId, isReady, isFailed,
+                isApplied, stagedSessionErrorCode, stagedSessionErrorMessage);
     }
 
     /**

services/core/java/com/android/server/pm/StagingManager.java

@@ -107,6 +107,9 @@ public class StagingManager {
         synchronized (mStagedSessions) {
             for (int i = 0; i < mStagedSessions.size(); i++) {
                 final PackageInstallerSession stagedSession = mStagedSessions.valueAt(i);
+                if (stagedSession.isDestroyed()) {
+                    continue;
+                }
                 result.add(stagedSession.generateInfoForCaller(false /*icon*/, callingUid));
             }
         }

services/tests/servicestests/src/com/android/server/pm/PackageInstallerSessionTest.java

@@ -168,6 +168,7 @@ public class PackageInstallerSessionTest {
                 /* stageCid */ null,
                 /* prepared */ true,
                 /* committed */ true,
+                /* destroyed */ staged ? true : false,
                 /* sealed */ false,  // Setting to true would trigger some PM logic.
                 /* childSessionIds */ childSessionIds != null ? childSessionIds : new int[0],
                 /* parentSessionId */ parentSessionId,