mirror of
https://github.com/Evolution-X/hardware_interfaces
synced 2026-02-03 08:54:55 +00:00
0fde783476
If a timeout happens, report the name of the service for which the timeout happens. Change-Id: Iad0076071f06f0ca5e53e07b1ef97e25e7bae887 Signed-off-by: Bart Van Assche <bvanassche@google.com>
105 lines
3.3 KiB
C++
105 lines
3.3 KiB
C++
/*
|
|
* Copyright (C) 2022 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <condition_variable>
|
|
#include <memory>
|
|
#include <mutex>
|
|
|
|
#include <android-base/properties.h>
|
|
#include <android/binder_auto_utils.h>
|
|
#include <android/binder_manager.h>
|
|
#include <android/binder_process.h>
|
|
|
|
#include <android-base/logging.h>
|
|
|
|
class AudioHalBinderServiceUtil {
|
|
public:
|
|
ndk::SpAIBinder connectToService(const std::string& serviceName) {
|
|
mServiceName = serviceName;
|
|
mBinder = ndk::SpAIBinder(AServiceManager_waitForService(serviceName.c_str()));
|
|
if (mBinder == nullptr) {
|
|
LOG(ERROR) << "Failed to get service " << serviceName;
|
|
} else {
|
|
LOG(DEBUG) << "Succeeded to get service " << serviceName;
|
|
}
|
|
return mBinder;
|
|
}
|
|
|
|
ndk::SpAIBinder restartService(
|
|
std::chrono::milliseconds timeoutMs = std::chrono::milliseconds(3000)) {
|
|
if (!stopService(timeoutMs)) {
|
|
return {};
|
|
}
|
|
return connectToService(mServiceName);
|
|
}
|
|
|
|
private:
|
|
class AidlDeathRecipient {
|
|
public:
|
|
explicit AidlDeathRecipient(const ndk::SpAIBinder& binder)
|
|
: binder(binder), recipient(AIBinder_DeathRecipient_new(&binderDiedCallbackAidl)) {}
|
|
|
|
binder_status_t linkToDeath() {
|
|
return AIBinder_linkToDeath(binder.get(), recipient.get(), this);
|
|
}
|
|
|
|
bool waitForFired(std::chrono::milliseconds timeoutMs) {
|
|
std::unique_lock<std::mutex> lock(mutex);
|
|
return condition.wait_for(lock, timeoutMs, [this]() { return fired; });
|
|
}
|
|
|
|
private:
|
|
const ndk::SpAIBinder binder;
|
|
const ndk::ScopedAIBinder_DeathRecipient recipient;
|
|
std::mutex mutex;
|
|
std::condition_variable condition;
|
|
bool fired = false;
|
|
|
|
void binderDied() {
|
|
std::unique_lock<std::mutex> lock(mutex);
|
|
fired = true;
|
|
condition.notify_one();
|
|
};
|
|
|
|
static void binderDiedCallbackAidl(void* cookie) {
|
|
AidlDeathRecipient* self = static_cast<AidlDeathRecipient*>(cookie);
|
|
self->binderDied();
|
|
}
|
|
};
|
|
|
|
bool stopService(std::chrono::milliseconds timeoutMs) {
|
|
AidlDeathRecipient deathHandler(mBinder);
|
|
if (STATUS_OK != deathHandler.linkToDeath()) {
|
|
LOG(ERROR) << "linkToDeath failed";
|
|
return false;
|
|
}
|
|
if (!android::base::SetProperty("sys.audio.restart.hal", "1")) {
|
|
LOG(ERROR) << "SetProperty failed";
|
|
return false;
|
|
}
|
|
if (!deathHandler.waitForFired(timeoutMs)) {
|
|
LOG(ERROR) << "Timeout wait for death of " << mServiceName;
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
std::string mServiceName;
|
|
ndk::SpAIBinder mBinder;
|
|
};
|