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Diffstat (limited to 'services/vibratorservice/VibratorManagerHalController.cpp')
-rw-r--r-- | services/vibratorservice/VibratorManagerHalController.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/services/vibratorservice/VibratorManagerHalController.cpp b/services/vibratorservice/VibratorManagerHalController.cpp new file mode 100644 index 0000000000..6bf658185c --- /dev/null +++ b/services/vibratorservice/VibratorManagerHalController.cpp @@ -0,0 +1,148 @@ +/* + * 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 "VibratorManagerHalController" + +#include <utils/Log.h> + +#include <vibratorservice/VibratorManagerHalController.h> + +namespace Aidl = android::hardware::vibrator; + +namespace android { + +namespace vibrator { + +std::shared_ptr<ManagerHalWrapper> connectManagerHal(std::shared_ptr<CallbackScheduler> scheduler) { + static bool gHalExists = true; + if (gHalExists) { + sp<Aidl::IVibratorManager> hal = waitForVintfService<Aidl::IVibratorManager>(); + if (hal) { + ALOGV("Successfully connected to VibratorManager HAL AIDL service."); + return std::make_shared<AidlManagerHalWrapper>(std::move(scheduler), hal); + } + } + + gHalExists = false; + return std::make_shared<LegacyManagerHalWrapper>(); +} + +static constexpr int MAX_RETRIES = 1; + +template <typename T> +HalResult<T> ManagerHalController::processHalResult(HalResult<T> result, const char* functionName) { + if (result.isFailed()) { + ALOGE("%s failed: %s", functionName, result.errorMessage()); + std::lock_guard<std::mutex> lock(mConnectedHalMutex); + mConnectedHal->tryReconnect(); + } + return result; +} + +template <typename T> +HalResult<T> ManagerHalController::apply(ManagerHalController::hal_fn<T>& halFn, + const char* functionName) { + std::shared_ptr<ManagerHalWrapper> hal = nullptr; + { + std::lock_guard<std::mutex> lock(mConnectedHalMutex); + if (mConnectedHal == nullptr) { + // Init was never called, so connect to HAL for the first time during this call. + mConnectedHal = mConnector(mCallbackScheduler); + + if (mConnectedHal == nullptr) { + ALOGV("Skipped %s because VibratorManager HAL is not available", functionName); + return HalResult<T>::unsupported(); + } + } + hal = mConnectedHal; + } + + HalResult<T> ret = processHalResult(halFn(hal), functionName); + for (int i = 0; i < MAX_RETRIES && ret.isFailed(); i++) { + ret = processHalResult(halFn(hal), functionName); + } + + return ret; +} + +// ------------------------------------------------------------------------------------------------- + +void ManagerHalController::init() { + std::lock_guard<std::mutex> lock(mConnectedHalMutex); + if (mConnectedHal == nullptr) { + mConnectedHal = mConnector(mCallbackScheduler); + } +} + +HalResult<void> ManagerHalController::ping() { + hal_fn<void> pingFn = [](std::shared_ptr<ManagerHalWrapper> hal) { return hal->ping(); }; + return apply(pingFn, "ping"); +} + +void ManagerHalController::tryReconnect() { + std::lock_guard<std::mutex> lock(mConnectedHalMutex); + if (mConnectedHal == nullptr) { + mConnectedHal = mConnector(mCallbackScheduler); + } else { + mConnectedHal->tryReconnect(); + } +} + +HalResult<ManagerCapabilities> ManagerHalController::getCapabilities() { + hal_fn<ManagerCapabilities> getCapabilitiesFn = [](std::shared_ptr<ManagerHalWrapper> hal) { + return hal->getCapabilities(); + }; + return apply(getCapabilitiesFn, "getCapabilities"); +} + +HalResult<std::vector<int32_t>> ManagerHalController::getVibratorIds() { + hal_fn<std::vector<int32_t>> getVibratorIdsFn = [](std::shared_ptr<ManagerHalWrapper> hal) { + return hal->getVibratorIds(); + }; + return apply(getVibratorIdsFn, "getVibratorIds"); +} + +HalResult<std::shared_ptr<HalController>> ManagerHalController::getVibrator(int32_t id) { + hal_fn<std::shared_ptr<HalController>> getVibratorFn = + [&](std::shared_ptr<ManagerHalWrapper> hal) { return hal->getVibrator(id); }; + return apply(getVibratorFn, "getVibrator"); +} + +HalResult<void> ManagerHalController::prepareSynced(const std::vector<int32_t>& ids) { + hal_fn<void> prepareSyncedFn = [&](std::shared_ptr<ManagerHalWrapper> hal) { + return hal->prepareSynced(ids); + }; + return apply(prepareSyncedFn, "prepareSynced"); +} + +HalResult<void> ManagerHalController::triggerSynced( + const std::function<void()>& completionCallback) { + hal_fn<void> triggerSyncedFn = [&](std::shared_ptr<ManagerHalWrapper> hal) { + return hal->triggerSynced(completionCallback); + }; + return apply(triggerSyncedFn, "triggerSynced"); +} + +HalResult<void> ManagerHalController::cancelSynced() { + hal_fn<void> cancelSyncedFn = [](std::shared_ptr<ManagerHalWrapper> hal) { + return hal->cancelSynced(); + }; + return apply(cancelSyncedFn, "cancelSynced"); +} + +}; // namespace vibrator + +}; // namespace android |