Merge "Add support for dumpsys in AppFunctionManagerServiceImpl." into main
diff --git a/services/appfunctions/java/com/android/server/appfunctions/AppFunctionDumpHelper.java b/services/appfunctions/java/com/android/server/appfunctions/AppFunctionDumpHelper.java
new file mode 100644
index 0000000..9fc413f
--- /dev/null
+++ b/services/appfunctions/java/com/android/server/appfunctions/AppFunctionDumpHelper.java
@@ -0,0 +1,186 @@
+/*
+ * Copyright (C) 2024 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.appfunctions;
+
+import static android.app.appfunctions.AppFunctionRuntimeMetadata.PROPERTY_APP_FUNCTION_STATIC_METADATA_QUALIFIED_ID;
+import static android.app.appfunctions.AppFunctionStaticMetadataHelper.APP_FUNCTION_INDEXER_PACKAGE;
+import static android.app.appfunctions.AppFunctionStaticMetadataHelper.PROPERTY_FUNCTION_ID;
+
+import android.Manifest;
+import android.annotation.BinderThread;
+import android.annotation.RequiresPermission;
+import android.annotation.NonNull;
+import android.content.Context;
+import android.content.pm.UserInfo;
+import android.os.UserManager;
+import android.util.IndentingPrintWriter;
+import android.app.appfunctions.AppFunctionRuntimeMetadata;
+import android.app.appfunctions.AppFunctionStaticMetadataHelper;
+import android.app.appsearch.AppSearchManager;
+import android.app.appsearch.AppSearchManager.SearchContext;
+import android.app.appsearch.JoinSpec;
+import android.app.appsearch.GenericDocument;
+import android.app.appsearch.SearchResult;
+import android.app.appsearch.SearchSpec;
+
+import java.io.PrintWriter;
+import java.lang.reflect.Array;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Set;
+
+public final class AppFunctionDumpHelper {
+    private static final String TAG = AppFunctionDumpHelper.class.getSimpleName();
+
+    private AppFunctionDumpHelper() {}
+
+    /** Dumps the state of all app functions for all users. */
+    @BinderThread
+    @RequiresPermission(
+            anyOf = {Manifest.permission.CREATE_USERS, Manifest.permission.MANAGE_USERS})
+    public static void dumpAppFunctionsState(@NonNull Context context, @NonNull PrintWriter w) {
+        UserManager userManager = context.getSystemService(UserManager.class);
+        if (userManager == null) {
+            w.println("Couldn't retrieve UserManager.");
+            return;
+        }
+
+        IndentingPrintWriter pw = new IndentingPrintWriter(w);
+
+        List<UserInfo> userInfos = userManager.getAliveUsers();
+        for (UserInfo userInfo : userInfos) {
+            pw.println(
+                    "AppFunction state for user " + userInfo.getUserHandle().getIdentifier() + ":");
+            pw.increaseIndent();
+            dumpAppFunctionsStateForUser(
+                    context.createContextAsUser(userInfo.getUserHandle(), /* flags= */ 0), pw);
+            pw.decreaseIndent();
+        }
+    }
+
+    private static void dumpAppFunctionsStateForUser(
+            @NonNull Context context, @NonNull IndentingPrintWriter pw) {
+        AppSearchManager appSearchManager = context.getSystemService(AppSearchManager.class);
+        if (appSearchManager == null) {
+            pw.println("Couldn't retrieve AppSearchManager.");
+            return;
+        }
+
+        try (FutureGlobalSearchSession searchSession =
+                new FutureGlobalSearchSession(appSearchManager, Runnable::run)) {
+            pw.println();
+
+            FutureSearchResults futureSearchResults =
+                    searchSession.search("", buildAppFunctionMetadataSearchSpec()).get();
+            List<SearchResult> searchResultsList;
+            do {
+                searchResultsList = futureSearchResults.getNextPage().get();
+                for (SearchResult searchResult : searchResultsList) {
+                    dumpAppFunctionMetadata(pw, searchResult);
+                }
+            } while (!searchResultsList.isEmpty());
+        } catch (Exception e) {
+            pw.println("Failed to dump AppFunction state: " + e);
+        }
+    }
+
+    private static SearchSpec buildAppFunctionMetadataSearchSpec() {
+        SearchSpec runtimeMetadataSearchSpec =
+                new SearchSpec.Builder()
+                        .addFilterPackageNames(APP_FUNCTION_INDEXER_PACKAGE)
+                        .addFilterSchemas(AppFunctionRuntimeMetadata.RUNTIME_SCHEMA_TYPE)
+                        .build();
+        JoinSpec joinSpec =
+                new JoinSpec.Builder(PROPERTY_APP_FUNCTION_STATIC_METADATA_QUALIFIED_ID)
+                        .setNestedSearch(/* queryExpression= */ "", runtimeMetadataSearchSpec)
+                        .build();
+
+        return new SearchSpec.Builder()
+                .addFilterPackageNames(APP_FUNCTION_INDEXER_PACKAGE)
+                .addFilterSchemas(AppFunctionStaticMetadataHelper.STATIC_SCHEMA_TYPE)
+                .setJoinSpec(joinSpec)
+                .build();
+    }
+
+    private static void dumpAppFunctionMetadata(
+            IndentingPrintWriter pw, SearchResult joinedSearchResult) {
+        pw.println(
+                "AppFunctionMetadata for: "
+                        + joinedSearchResult
+                                .getGenericDocument()
+                                .getPropertyString(PROPERTY_FUNCTION_ID));
+        pw.increaseIndent();
+
+        pw.println("Static Metadata:");
+        pw.increaseIndent();
+        writeGenericDocumentProperties(pw, joinedSearchResult.getGenericDocument());
+        pw.decreaseIndent();
+
+        pw.println("Runtime Metadata:");
+        pw.increaseIndent();
+        if (!joinedSearchResult.getJoinedResults().isEmpty()) {
+            writeGenericDocumentProperties(
+                    pw, joinedSearchResult.getJoinedResults().getFirst().getGenericDocument());
+        } else {
+            pw.println("No runtime metadata found.");
+        }
+        pw.decreaseIndent();
+
+        pw.decreaseIndent();
+    }
+
+    private static void writeGenericDocumentProperties(
+            IndentingPrintWriter pw, GenericDocument genericDocument) {
+        Set<String> propertyNames = genericDocument.getPropertyNames();
+        pw.println("{");
+        pw.increaseIndent();
+        for (String propertyName : propertyNames) {
+            Object propertyValue = genericDocument.getProperty(propertyName);
+            pw.print("\"" + propertyName + "\"" + ": [");
+
+            if (propertyValue instanceof GenericDocument[]) {
+                GenericDocument[] documentValues = (GenericDocument[]) propertyValue;
+                for (int i = 0; i < documentValues.length; i++) {
+                    GenericDocument documentValue = documentValues[i];
+                    writeGenericDocumentProperties(pw, documentValue);
+                    if (i != documentValues.length - 1) {
+                        pw.print(", ");
+                    }
+                    pw.println();
+                }
+            } else {
+                int propertyArrLength = Array.getLength(propertyValue);
+                for (int i = 0; i < propertyArrLength; i++) {
+                    Object propertyElement = Array.get(propertyValue, i);
+                    if (propertyElement instanceof String) {
+                        pw.print("\"" + propertyElement + "\"");
+                    } else if (propertyElement instanceof byte[]) {
+                        pw.print(Arrays.toString((byte[]) propertyElement));
+                    } else if (propertyElement != null) {
+                        pw.print(propertyElement.toString());
+                    }
+                    if (i != propertyArrLength - 1) {
+                        pw.print(", ");
+                    }
+                }
+            }
+            pw.println("]");
+        }
+        pw.decreaseIndent();
+        pw.println("}");
+    }
+}
diff --git a/services/appfunctions/java/com/android/server/appfunctions/AppFunctionManagerServiceImpl.java b/services/appfunctions/java/com/android/server/appfunctions/AppFunctionManagerServiceImpl.java
index d31ced3..6d350e6 100644
--- a/services/appfunctions/java/com/android/server/appfunctions/AppFunctionManagerServiceImpl.java
+++ b/services/appfunctions/java/com/android/server/appfunctions/AppFunctionManagerServiceImpl.java
@@ -63,10 +63,13 @@
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.infra.AndroidFuture;
+import com.android.internal.util.DumpUtils;
 import com.android.server.SystemService.TargetUser;
 import com.android.server.appfunctions.RemoteServiceCaller.RunServiceCallCallback;
 import com.android.server.appfunctions.RemoteServiceCaller.ServiceUsageCompleteListener;
 
+import java.io.FileDescriptor;
+import java.io.PrintWriter;
 import java.util.Objects;
 import java.util.concurrent.CompletionException;
 import java.util.concurrent.Executor;
@@ -122,6 +125,20 @@
     }
 
     @Override
+    public void dump(@NonNull FileDescriptor fd, @NonNull PrintWriter pw, @NonNull String[] args) {
+        if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) {
+            return;
+        }
+
+        final long token = Binder.clearCallingIdentity();
+        try {
+            AppFunctionDumpHelper.dumpAppFunctionsState(mContext, pw);
+        } finally {
+            Binder.restoreCallingIdentity(token);
+        }
+    }
+
+    @Override
     public ICancellationSignal executeAppFunction(
             @NonNull ExecuteAppFunctionAidlRequest requestInternal,
             @NonNull IExecuteAppFunctionCallback executeAppFunctionCallback) {
diff --git a/services/appfunctions/java/com/android/server/appfunctions/FutureAppSearchSession.java b/services/appfunctions/java/com/android/server/appfunctions/FutureAppSearchSession.java
index de2034b..b89348c 100644
--- a/services/appfunctions/java/com/android/server/appfunctions/FutureAppSearchSession.java
+++ b/services/appfunctions/java/com/android/server/appfunctions/FutureAppSearchSession.java
@@ -39,20 +39,6 @@
 /** A future API wrapper of {@link AppSearchSession} APIs. */
 public interface FutureAppSearchSession extends Closeable {
 
-    /** Converts a failed app search result codes into an exception. */
-    @NonNull
-    static Exception failedResultToException(@NonNull AppSearchResult<?> appSearchResult) {
-        return switch (appSearchResult.getResultCode()) {
-            case AppSearchResult.RESULT_INVALID_ARGUMENT ->
-                    new IllegalArgumentException(appSearchResult.getErrorMessage());
-            case AppSearchResult.RESULT_IO_ERROR ->
-                    new IOException(appSearchResult.getErrorMessage());
-            case AppSearchResult.RESULT_SECURITY_ERROR ->
-                    new SecurityException(appSearchResult.getErrorMessage());
-            default -> new IllegalStateException(appSearchResult.getErrorMessage());
-        };
-    }
-
     /**
      * Sets the schema that represents the organizational structure of data within the AppSearch
      * database.
@@ -86,17 +72,4 @@
 
     @Override
     void close();
-
-    /** A future API wrapper of {@link android.app.appsearch.SearchResults}. */
-    interface FutureSearchResults {
-
-        /**
-         * Retrieves the next page of {@link SearchResult} objects from the {@link AppSearchSession}
-         * database.
-         *
-         * <p>Continue calling this method to access results until it returns an empty list,
-         * signifying there are no more results.
-         */
-        AndroidFuture<List<SearchResult>> getNextPage();
-    }
 }
diff --git a/services/appfunctions/java/com/android/server/appfunctions/FutureAppSearchSessionImpl.java b/services/appfunctions/java/com/android/server/appfunctions/FutureAppSearchSessionImpl.java
index d24bb87..87589f5 100644
--- a/services/appfunctions/java/com/android/server/appfunctions/FutureAppSearchSessionImpl.java
+++ b/services/appfunctions/java/com/android/server/appfunctions/FutureAppSearchSessionImpl.java
@@ -16,7 +16,7 @@
 
 package com.android.server.appfunctions;
 
-import static com.android.server.appfunctions.FutureAppSearchSession.failedResultToException;
+import static com.android.server.appfunctions.FutureSearchResults.failedResultToException;
 
 import android.annotation.NonNull;
 import android.app.appsearch.AppSearchBatchResult;
@@ -192,33 +192,6 @@
                         });
     }
 
-    private static final class FutureSearchResultsImpl implements FutureSearchResults {
-        private final SearchResults mSearchResults;
-        private final Executor mExecutor;
-
-        private FutureSearchResultsImpl(
-                @NonNull SearchResults searchResults, @NonNull Executor executor) {
-            this.mSearchResults = searchResults;
-            this.mExecutor = executor;
-        }
-
-        @Override
-        public AndroidFuture<List<SearchResult>> getNextPage() {
-            AndroidFuture<AppSearchResult<List<SearchResult>>> nextPageFuture =
-                    new AndroidFuture<>();
-
-            mSearchResults.getNextPage(mExecutor, nextPageFuture::complete);
-            return nextPageFuture.thenApply(
-                    result -> {
-                        if (result.isSuccess()) {
-                            return result.getResultValue();
-                        } else {
-                            throw new RuntimeException(failedResultToException(result));
-                        }
-                    });
-        }
-    }
-
     private static final class BatchResultCallbackAdapter<K, V>
             implements BatchResultCallback<K, V> {
         private final AndroidFuture<AppSearchBatchResult<K, V>> mFuture;
diff --git a/services/appfunctions/java/com/android/server/appfunctions/FutureGlobalSearchSession.java b/services/appfunctions/java/com/android/server/appfunctions/FutureGlobalSearchSession.java
index 874c5da..4cc0817 100644
--- a/services/appfunctions/java/com/android/server/appfunctions/FutureGlobalSearchSession.java
+++ b/services/appfunctions/java/com/android/server/appfunctions/FutureGlobalSearchSession.java
@@ -20,6 +20,7 @@
 import android.app.appsearch.AppSearchManager;
 import android.app.appsearch.AppSearchResult;
 import android.app.appsearch.GlobalSearchSession;
+import android.app.appsearch.SearchSpec;
 import android.app.appsearch.exceptions.AppSearchException;
 import android.app.appsearch.observer.ObserverCallback;
 import android.app.appsearch.observer.ObserverSpec;
@@ -49,12 +50,23 @@
                         return result.getResultValue();
                     } else {
                         throw new RuntimeException(
-                                FutureAppSearchSession.failedResultToException(result));
+                                FutureSearchResults.failedResultToException(result));
                     }
                 });
     }
 
     /**
+     * Retrieves documents from the open {@link GlobalSearchSession} that match a given query string
+     * and type of search provided.
+     */
+    public AndroidFuture<FutureSearchResults> search(
+            String queryExpression, SearchSpec searchSpec) {
+        return getSessionAsync()
+                .thenApply(session -> session.search(queryExpression, searchSpec))
+                .thenApply(result -> new FutureSearchResultsImpl(result, mExecutor));
+    }
+
+    /**
      * Registers an observer callback for the given target package name.
      *
      * @param targetPackageName The package name of the target app.
diff --git a/services/appfunctions/java/com/android/server/appfunctions/FutureSearchResults.java b/services/appfunctions/java/com/android/server/appfunctions/FutureSearchResults.java
new file mode 100644
index 0000000..45cbdb4
--- /dev/null
+++ b/services/appfunctions/java/com/android/server/appfunctions/FutureSearchResults.java
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2024 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.appfunctions;
+
+import android.annotation.NonNull;
+import android.app.appsearch.AppSearchResult;
+import android.app.appsearch.AppSearchSession;
+import android.app.appsearch.SearchResult;
+import android.app.appsearch.SearchResults;
+
+import com.android.internal.infra.AndroidFuture;
+
+import java.io.IOException;
+import java.util.List;
+
+/** A future API wrapper of {@link android.app.appsearch.SearchResults}. */
+public interface FutureSearchResults {
+
+    /** Converts a failed app search result codes into an exception. */
+    @NonNull
+    public static Exception failedResultToException(@NonNull AppSearchResult<?> appSearchResult) {
+        return switch (appSearchResult.getResultCode()) {
+            case AppSearchResult.RESULT_INVALID_ARGUMENT ->
+                    new IllegalArgumentException(appSearchResult.getErrorMessage());
+            case AppSearchResult.RESULT_IO_ERROR ->
+                    new IOException(appSearchResult.getErrorMessage());
+            case AppSearchResult.RESULT_SECURITY_ERROR ->
+                    new SecurityException(appSearchResult.getErrorMessage());
+            default -> new IllegalStateException(appSearchResult.getErrorMessage());
+        };
+    }
+
+    /**
+     * Retrieves the next page of {@link SearchResult} objects from the {@link AppSearchSession}
+     * database.
+     *
+     * <p>Continue calling this method to access results until it returns an empty list, signifying
+     * there are no more results.
+     */
+    AndroidFuture<List<SearchResult>> getNextPage();
+}
diff --git a/services/appfunctions/java/com/android/server/appfunctions/FutureSearchResultsImpl.java b/services/appfunctions/java/com/android/server/appfunctions/FutureSearchResultsImpl.java
new file mode 100644
index 0000000..c3be342
--- /dev/null
+++ b/services/appfunctions/java/com/android/server/appfunctions/FutureSearchResultsImpl.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2024 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.appfunctions;
+
+import android.annotation.NonNull;
+import android.app.appsearch.AppSearchResult;
+import android.app.appsearch.AppSearchSession;
+import android.app.appsearch.SearchResult;
+import android.app.appsearch.SearchResults;
+
+import com.android.internal.infra.AndroidFuture;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.concurrent.Executor;
+
+public class FutureSearchResultsImpl implements FutureSearchResults {
+    private final SearchResults mSearchResults;
+    private final Executor mExecutor;
+
+    public FutureSearchResultsImpl(
+            @NonNull SearchResults searchResults, @NonNull Executor executor) {
+        this.mSearchResults = searchResults;
+        this.mExecutor = executor;
+    }
+
+    @Override
+    public AndroidFuture<List<SearchResult>> getNextPage() {
+        AndroidFuture<AppSearchResult<List<SearchResult>>> nextPageFuture = new AndroidFuture<>();
+
+        mSearchResults.getNextPage(mExecutor, nextPageFuture::complete);
+        return nextPageFuture
+                .thenApply(
+                        result -> {
+                            if (result.isSuccess()) {
+                                return result.getResultValue();
+                            } else {
+                                throw new RuntimeException(
+                                        FutureSearchResults.failedResultToException(result));
+                            }
+                        });
+    }
+}
diff --git a/services/appfunctions/java/com/android/server/appfunctions/MetadataSyncAdapter.java b/services/appfunctions/java/com/android/server/appfunctions/MetadataSyncAdapter.java
index d84b205..bbf6c0b 100644
--- a/services/appfunctions/java/com/android/server/appfunctions/MetadataSyncAdapter.java
+++ b/services/appfunctions/java/com/android/server/appfunctions/MetadataSyncAdapter.java
@@ -45,7 +45,6 @@
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.infra.AndroidFuture;
-import com.android.server.appfunctions.FutureAppSearchSession.FutureSearchResults;
 
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
diff --git a/services/tests/appfunctions/src/com/android/server/appfunctions/MetadataSyncAdapterTest.kt b/services/tests/appfunctions/src/com/android/server/appfunctions/MetadataSyncAdapterTest.kt
index bc64e15..5758da8 100644
--- a/services/tests/appfunctions/src/com/android/server/appfunctions/MetadataSyncAdapterTest.kt
+++ b/services/tests/appfunctions/src/com/android/server/appfunctions/MetadataSyncAdapterTest.kt
@@ -34,7 +34,6 @@
 import android.util.Log
 import androidx.test.platform.app.InstrumentationRegistry
 import com.android.internal.infra.AndroidFuture
-import com.android.server.appfunctions.FutureAppSearchSession.FutureSearchResults
 import com.google.common.truth.Truth.assertThat
 import java.util.concurrent.atomic.AtomicBoolean
 import org.junit.Test