Added java wrapper for update engine stable
Test: m framework-all
Test: Compiled and applied OTA using settings app using stable interface
m Settings && adb install -r $ANDROID_PRODUCT_OUT/system_ext/priv-app/Settings/Settings.apk
Bug: 317914533
Change-Id: I393df5218c60303dbea60386c680b75b553ddac2
diff --git a/Android.bp b/Android.bp
index f7f6beb..52b4abe 100644
--- a/Android.bp
+++ b/Android.bp
@@ -127,6 +127,7 @@
":libcamera_client_aidl",
":libcamera_client_framework_aidl",
":libupdate_engine_aidl",
+ ":libupdate_engine_stable-V2-java-source",
":logd_aidl",
":resourcemanager_aidl",
":storaged_aidl",
diff --git a/core/java/android/os/UpdateEngineStable.java b/core/java/android/os/UpdateEngineStable.java
new file mode 100644
index 0000000..9e2593e
--- /dev/null
+++ b/core/java/android/os/UpdateEngineStable.java
@@ -0,0 +1,192 @@
+/*
+ * 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 android.os;
+
+import android.annotation.IntDef;
+
+/**
+ * UpdateEngineStable handles calls to the update engine stalbe which takes care of A/B OTA updates.
+ * This interface has lesser functionalities than UpdateEngine and doesn't allow cancel.
+ *
+ * <p>The minimal flow is:
+ *
+ * <ol>
+ * <li>Create a new UpdateEngineStable instance.
+ * <li>Call {@link #bind}, provide callback function.
+ * <li>Call {@link #applyPayloadFd}.
+ * </ol>
+ *
+ * The APIs defined in this class and UpdateEngineStableCallback class must be in sync with the ones
+ * in {@code system/update_engine/stable/android/os/IUpdateEngineStable.aidl} and {@code
+ * ssystem/update_engine/stable/android/os/IUpdateEngineStableCallback.aidl}.
+ *
+ * @hide
+ */
+public class UpdateEngineStable {
+ private static final String TAG = "UpdateEngineStable";
+
+ private static final String UPDATE_ENGINE_STABLE_SERVICE =
+ "android.os.UpdateEngineStableService";
+
+ /**
+ * Error codes from update engine upon finishing a call to {@link applyPayloadFd}. Values will
+ * be passed via the callback function {@link
+ * UpdateEngineStableCallback#onPayloadApplicationComplete}. Values must agree with the ones in
+ * {@code system/update_engine/common/error_code.h}.
+ */
+ /** @hide */
+ @IntDef(
+ value = {
+ UpdateEngine.ErrorCodeConstants.SUCCESS,
+ UpdateEngine.ErrorCodeConstants.ERROR,
+ UpdateEngine.ErrorCodeConstants.FILESYSTEM_COPIER_ERROR,
+ UpdateEngine.ErrorCodeConstants.POST_INSTALL_RUNNER_ERROR,
+ UpdateEngine.ErrorCodeConstants.PAYLOAD_MISMATCHED_TYPE_ERROR,
+ UpdateEngine.ErrorCodeConstants.INSTALL_DEVICE_OPEN_ERROR,
+ UpdateEngine.ErrorCodeConstants.KERNEL_DEVICE_OPEN_ERROR,
+ UpdateEngine.ErrorCodeConstants.DOWNLOAD_TRANSFER_ERROR,
+ UpdateEngine.ErrorCodeConstants.PAYLOAD_HASH_MISMATCH_ERROR,
+ UpdateEngine.ErrorCodeConstants.PAYLOAD_SIZE_MISMATCH_ERROR,
+ UpdateEngine.ErrorCodeConstants.DOWNLOAD_PAYLOAD_VERIFICATION_ERROR,
+ UpdateEngine.ErrorCodeConstants.PAYLOAD_TIMESTAMP_ERROR,
+ UpdateEngine.ErrorCodeConstants.UPDATED_BUT_NOT_ACTIVE,
+ UpdateEngine.ErrorCodeConstants.NOT_ENOUGH_SPACE,
+ UpdateEngine.ErrorCodeConstants.DEVICE_CORRUPTED,
+ })
+ public @interface ErrorCode {}
+
+ private final IUpdateEngineStable mUpdateEngineStable;
+ private IUpdateEngineStableCallback mUpdateEngineStableCallback = null;
+ private final Object mUpdateEngineStableCallbackLock = new Object();
+
+ /**
+ * Creates a new instance.
+ *
+ * @hide
+ */
+ public UpdateEngineStable() {
+ mUpdateEngineStable =
+ IUpdateEngineStable.Stub.asInterface(
+ ServiceManager.getService(UPDATE_ENGINE_STABLE_SERVICE));
+ if (mUpdateEngineStable == null) {
+ throw new IllegalStateException("Failed to find " + UPDATE_ENGINE_STABLE_SERVICE);
+ }
+ }
+
+ /**
+ * Prepares this instance for use. The callback will be notified on any status change, and when
+ * the update completes. A handler can be supplied to control which thread runs the callback, or
+ * null.
+ *
+ * @hide
+ */
+ public boolean bind(final UpdateEngineStableCallback callback, final Handler handler) {
+ synchronized (mUpdateEngineStableCallbackLock) {
+ mUpdateEngineStableCallback =
+ new IUpdateEngineStableCallback.Stub() {
+ @Override
+ public void onStatusUpdate(final int status, final float percent) {
+ if (handler != null) {
+ handler.post(
+ new Runnable() {
+ @Override
+ public void run() {
+ callback.onStatusUpdate(status, percent);
+ }
+ });
+ } else {
+ callback.onStatusUpdate(status, percent);
+ }
+ }
+
+ @Override
+ public void onPayloadApplicationComplete(final int errorCode) {
+ if (handler != null) {
+ handler.post(
+ new Runnable() {
+ @Override
+ public void run() {
+ callback.onPayloadApplicationComplete(errorCode);
+ }
+ });
+ } else {
+ callback.onPayloadApplicationComplete(errorCode);
+ }
+ }
+
+ @Override
+ public int getInterfaceVersion() {
+ return super.VERSION;
+ }
+
+ @Override
+ public String getInterfaceHash() {
+ return super.HASH;
+ }
+ };
+
+ try {
+ return mUpdateEngineStable.bind(mUpdateEngineStableCallback);
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+ }
+
+ /**
+ * Equivalent to {@code bind(callback, null)}.
+ *
+ * @hide
+ */
+ public boolean bind(final UpdateEngineStableCallback callback) {
+ return bind(callback, null);
+ }
+
+ /**
+ * Applies payload from given ParcelFileDescriptor. Usage is same as UpdateEngine#applyPayload
+ *
+ * @hide
+ */
+ public void applyPayloadFd(
+ ParcelFileDescriptor fd, long offset, long size, String[] headerKeyValuePairs) {
+ try {
+ mUpdateEngineStable.applyPayloadFd(fd, offset, size, headerKeyValuePairs);
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+
+ /**
+ * Unbinds the last bound callback function.
+ *
+ * @hide
+ */
+ public boolean unbind() {
+ synchronized (mUpdateEngineStableCallbackLock) {
+ if (mUpdateEngineStableCallback == null) {
+ return true;
+ }
+ try {
+ boolean result = mUpdateEngineStable.unbind(mUpdateEngineStableCallback);
+ mUpdateEngineStableCallback = null;
+ return result;
+ } catch (RemoteException e) {
+ throw e.rethrowFromSystemServer();
+ }
+ }
+ }
+}
diff --git a/core/java/android/os/UpdateEngineStableCallback.java b/core/java/android/os/UpdateEngineStableCallback.java
new file mode 100644
index 0000000..4bcfb4b
--- /dev/null
+++ b/core/java/android/os/UpdateEngineStableCallback.java
@@ -0,0 +1,46 @@
+/*
+ * 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 android.os;
+
+/**
+ * Callback function for UpdateEngineStable. Used to keep the caller up to date with progress, so
+ * the UI (if any) can be updated.
+ *
+ * <p>The APIs defined in this class and UpdateEngineStable class must be in sync with the ones in
+ * system/update_engine/stable/android/os/IUpdateEngineStable.aidl and
+ * system/update_engine/stable/android/os/IUpdateEngineStableCallback.aidl.
+ *
+ * <p>{@hide}
+ */
+public abstract class UpdateEngineStableCallback {
+
+ /**
+ * Invoked when anything changes. The value of {@code status} will be one of the values from
+ * {@link UpdateEngine.UpdateStatusConstants}, and {@code percent} will be valid
+ *
+ * @hide
+ */
+ public abstract void onStatusUpdate(int status, float percent);
+
+ /**
+ * Invoked when the payload has been applied, whether successfully or unsuccessfully. The value
+ * of {@code errorCode} will be one of the values from {@link UpdateEngine.ErrorCodeConstants}.
+ *
+ * @hide
+ */
+ public abstract void onPayloadApplicationComplete(@UpdateEngineStable.ErrorCode int errorCode);
+}