Create vibrator manager HAL wrapper (24b5b8ff) · Commits · e / os / platform_frameworks_native

services/vibratorservice/Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ cc_library_shared {
		"VibratorCallbackScheduler.cpp",
		"VibratorHalController.cpp",
		"VibratorHalWrapper.cpp",
		"VibratorManagerHalWrapper.cpp",
		],

		aidl: {

services/vibratorservice/VibratorHalController.cpp

+4 −3

Original line number	Diff line number	Diff line
		@@ -46,8 +46,6 @@ namespace vibrator {

		// -------------------------------------------------------------------------------------------------

		static constexpr int MAX_RETRIES = 1;

		std::shared_ptr<HalWrapper> HalConnector::connect(std::shared_ptr<CallbackScheduler> scheduler) {
		static bool gHalExists = true;
		if (!gHalExists) {
		@@ -89,6 +87,8 @@ std::shared_ptr<HalWrapper> HalConnector::connect(std::shared_ptr<CallbackSchedu

		// -------------------------------------------------------------------------------------------------

		static constexpr int MAX_RETRIES = 1;

		template <typename T>
		HalResult<T> HalController::processHalResult(HalResult<T> result, const char* functionName) {
		if (result.isFailed()) {
		@@ -126,11 +126,12 @@ HalResult<T> HalController::apply(HalController::hal_fn<T>& halFn, const char* f

		// -------------------------------------------------------------------------------------------------

		void HalController::init() {
		bool HalController::init() {
		std::lock_guard<std::mutex> lock(mConnectedHalMutex);
		if (mConnectedHal == nullptr) {
		mConnectedHal = mHalConnector->connect(mCallbackScheduler);
		}
		return mConnectedHal != nullptr;
		}

		HalResult<void> HalController::ping() {

services/vibratorservice/VibratorManagerHalWrapper.cpp

0 → 100644

+68 −0

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		/*
		* Copyright (C) 2020 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.
		*/

		#define LOG_TAG "VibratorManagerHalWrapper"

		#include <utils/Log.h>

		#include <vibratorservice/VibratorManagerHalWrapper.h>

		namespace android {

		namespace vibrator {

		constexpr int32_t SINGLE_VIBRATOR_ID = 0;

		HalResult<void> LegacyManagerHalWrapper::ping() {
		return mController->ping();
		}

		void LegacyManagerHalWrapper::tryReconnect() {
		mController->tryReconnect();
		}

		HalResult<std::vector<int32_t>> LegacyManagerHalWrapper::getVibratorIds() {
		if (mController->init()) {
		return HalResult<std::vector<int32_t>>::ok(std::vector<int32_t>(1, SINGLE_VIBRATOR_ID));
		}
		// Controller.init did not connect to any vibrator HAL service, so the device has no vibrator.
		return HalResult<std::vector<int32_t>>::ok(std::vector<int32_t>());
		}

		HalResult<std::shared_ptr<HalController>> LegacyManagerHalWrapper::getVibrator(int32_t id) {
		if (id == SINGLE_VIBRATOR_ID && mController->init()) {
		return HalResult<std::shared_ptr<HalController>>::ok(mController);
		}
		// Controller.init did not connect to any vibrator HAL service, so the device has no vibrator.
		return HalResult<std::shared_ptr<HalController>>::failed("No vibrator with id = " +
		std::to_string(id));
		}

		HalResult<void> LegacyManagerHalWrapper::prepareSynced(const std::vector<int32_t>&) {
		return HalResult<void>::unsupported();
		}

		HalResult<void> LegacyManagerHalWrapper::triggerSynced(const std::function<void()>&) {
		return HalResult<void>::unsupported();
		}

		HalResult<void> LegacyManagerHalWrapper::cancelSynced() {
		return HalResult<void>::unsupported();
		}

		}; // namespace vibrator

		}; // namespace android

services/vibratorservice/include/vibratorservice/VibratorHalController.h

+13 −5

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		@@ -51,11 +51,19 @@ public:
		mConnectedHal(nullptr) {}
		virtual ~HalController() = default;

		void init();
		/* Connects to the newest HAL version available, possibly waiting for the registered service to
		* become available. This will automatically be called at the first API usage if it was not
		* manually called beforehand. Calling this manually during the setup phase can avoid slowing
		* the first API call later on. Returns true if any HAL version is available, false otherwise.
		*/
		virtual bool init();

		HalResult<void> ping() final override;
		void tryReconnect() final override;
		/* reloads HAL service instance without waiting. This relies on the HAL version found by init()
		* to rapidly reconnect to the specific HAL service, or defers to init() if it was never called.
		*/
		virtual void tryReconnect() override;

		virtual HalResult<void> ping() override;
		HalResult<void> on(std::chrono::milliseconds timeout,
		const std::function<void()>& completionCallback) final override;
		HalResult<void> off() final override;

services/vibratorservice/include/vibratorservice/VibratorHalWrapper.h

+4 −1

Original line number	Diff line number	Diff line
		@@ -140,9 +140,12 @@ public:
		: mCallbackScheduler(std::move(scheduler)) {}
		virtual ~HalWrapper() = default;

		virtual HalResult<void> ping() = 0;
		/* reloads wrapped HAL service instance without waiting. This can be used to reconnect when the
		* service restarts, to rapidly retry after a failure.
		*/
		virtual void tryReconnect() = 0;

		virtual HalResult<void> ping() = 0;
		virtual HalResult<void> on(std::chrono::milliseconds timeout,
		const std::function<void()>& completionCallback) = 0;
		virtual HalResult<void> off() = 0;