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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 "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("VibratorManager HAL %s failed: %s", functionName, result.errorMessage());
}
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> result = processHalResult(halFn(hal), functionName);
for (int i = 0; i < MAX_RETRIES && result.shouldRetry(); i++) {
{
std::lock_guard<std::mutex> lock(mConnectedHalMutex);
mConnectedHal->tryReconnect();
}
result = processHalResult(halFn(hal), functionName);
}
return result;
}
// -------------------------------------------------------------------------------------------------
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
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