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87 lines
2.8 KiB
87 lines
2.8 KiB
4 months ago
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/*
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* Copyright (C) 2016-2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unistd.h>
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#include <atomic>
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#include <hidl/HidlTransportSupport.h>
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#include <utils/Errors.h>
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#include <utils/StrongPointer.h>
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#include <utils/Log.h>
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#include "ServiceNames.h"
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#include "EvsEnumerator.h"
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#include "EvsGlDisplay.h"
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// libhidl:
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using android::hardware::configureRpcThreadpool;
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using android::hardware::joinRpcThreadpool;
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// Generated HIDL files
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using android::hardware::automotive::evs::V1_1::IEvsEnumerator;
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using android::hardware::automotive::evs::V1_1::IEvsDisplay;
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using android::frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
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// The namespace in which all our implementation code lives
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using namespace android::hardware::automotive::evs::V1_1::implementation;
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using namespace android;
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int main() {
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LOG(INFO) << "EVS Hardware Enumerator service is starting";
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android::sp<IAutomotiveDisplayProxyService> carWindowService =
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IAutomotiveDisplayProxyService::getService("default");
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if (carWindowService == nullptr) {
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LOG(ERROR) << "Cannot use AutomotiveDisplayProxyService. Exiting.";
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return 1;
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}
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#ifdef EVS_DEBUG
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SetMinimumLogSeverity(android::base::DEBUG);
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#endif
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// Start a thread to listen video device addition events.
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std::atomic<bool> running { true };
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std::thread ueventHandler(EvsEnumerator::EvsUeventThread, std::ref(running));
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android::sp<IEvsEnumerator> service = new EvsEnumerator(carWindowService);
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configureRpcThreadpool(1, true /* callerWillJoin */);
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// Register our service -- if somebody is already registered by our name,
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// they will be killed (their thread pool will throw an exception).
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status_t status = service->registerAsService(kEnumeratorServiceName);
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if (status == OK) {
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LOG(DEBUG) << kEnumeratorServiceName << " is ready.";
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joinRpcThreadpool();
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} else {
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LOG(ERROR) << "Could not register service " << kEnumeratorServiceName
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<< " (" << status << ").";
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}
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// Exit a uevent handler thread.
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running = false;
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if (ueventHandler.joinable()) {
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ueventHandler.join();
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}
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// In normal operation, we don't expect the thread pool to exit
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LOG(ERROR) << "EVS Hardware Enumerator is shutting down";
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return 1;
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}
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