blob: d4b76179df516a89c206357ee630b774cbe996bc [file] [log] [blame]
/*
* Copyright (C) 2016-2019 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.
*/
#include <unistd.h>
#include <atomic>
#include <hidl/HidlTransportSupport.h>
#include <utils/Errors.h>
#include <utils/StrongPointer.h>
#include <utils/Log.h>
#include "ServiceNames.h"
#include "EvsEnumerator.h"
#include "EvsGlDisplay.h"
// libhidl:
using android::hardware::configureRpcThreadpool;
using android::hardware::joinRpcThreadpool;
// Generated HIDL files
using android::hardware::automotive::evs::V1_1::IEvsEnumerator;
using android::hardware::automotive::evs::V1_1::IEvsDisplay;
using android::frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
// The namespace in which all our implementation code lives
using namespace android::hardware::automotive::evs::V1_1::implementation;
using namespace android;
int main() {
LOG(INFO) << "EVS Hardware Enumerator service is starting";
android::sp<IAutomotiveDisplayProxyService> carWindowService =
IAutomotiveDisplayProxyService::getService("default");
if (carWindowService == nullptr) {
LOG(ERROR) << "Cannot use AutomotiveDisplayProxyService. Exiting.";
return 1;
}
#ifdef EVS_DEBUG
SetMinimumLogSeverity(android::base::DEBUG);
#endif
// Start a thread to listen video device addition events.
std::atomic<bool> running { true };
std::thread ueventHandler(EvsEnumerator::EvsUeventThread, std::ref(running));
android::sp<IEvsEnumerator> service = new EvsEnumerator(carWindowService);
configureRpcThreadpool(1, true /* callerWillJoin */);
// Register our service -- if somebody is already registered by our name,
// they will be killed (their thread pool will throw an exception).
status_t status = service->registerAsService(kEnumeratorServiceName);
if (status == OK) {
LOG(DEBUG) << kEnumeratorServiceName << " is ready.";
joinRpcThreadpool();
} else {
LOG(ERROR) << "Could not register service " << kEnumeratorServiceName
<< " (" << status << ").";
}
// Exit a uevent handler thread.
running = false;
if (ueventHandler.joinable()) {
ueventHandler.join();
}
// In normal operation, we don't expect the thread pool to exit
LOG(ERROR) << "EVS Hardware Enumerator is shutting down";
return 1;
}