android13/hardware/google/camera/common/hal/aidl_service/aidl_service.cc

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3.7 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.
*/
#ifdef LAZY_SERVICE
#define LOG_TAG "android.hardware.pixel.camera.provider@2.7-service-lazy"
#else
#define LOG_TAG "android.hardware.pixel.camera.provider@2.7-service"
#endif
#include <aidl/android/hardware/camera/provider/ICameraProvider.h>
#include <android/binder_manager.h>
#include <android/binder_process.h>
#include <apex_update_listener.h>
#include <binder/ProcessState.h>
#include <cutils/properties.h>
#include <hidl/HidlTransportSupport.h>
#include <malloc.h>
#include <utils/Errors.h>
#include <cinttypes>
#include "aidl_camera_build_version.h"
#include "aidl_camera_provider.h"
using aidl::android::hardware::camera::provider::ICameraProvider;
using ::android::hardware::camera::provider::implementation::AidlCameraProvider;
#ifdef LAZY_SERVICE
const bool kLazyService = true;
#else
const bool kLazyService = false;
#endif
const std::string kProviderInstance = "/internal/0";
int main() {
ALOGI("Google camera provider service is starting.");
// The camera HAL may communicate to other vendor components via
// /dev/vndbinder
mallopt(M_DECAY_TIME, 1);
android::ProcessState::initWithDriver("/dev/vndbinder");
android::hardware::configureRpcThreadpool(/*maxThreads=*/6,
/*callerWillJoin=*/true);
// Don't depend on vndbinder setting up threads in case we stop using them
// some day
ABinderProcess_setThreadPoolMaxThreadCount(6);
ABinderProcess_startThreadPool();
#ifdef __ANDROID_APEX__
int start_count = property_get_int32("vendor.camera.hal.start.count", 0);
property_set("vendor.camera.hal.start.count",
std::to_string(++start_count).c_str());
property_set("vendor.camera.hal.version",
std::to_string(kHalManifestBuildNumber).c_str());
property_set("vendor.camera.hal.build_id", kAndroidBuildId);
auto start_on_update =
ApexUpdateListener::Make("com.google.pixel.camera.hal", [](auto, auto) {
ALOGI("APEX version updated. starting.");
exit(0);
});
ALOGI(
"Using ApexUpdateListener: %p Start Count: %d Current Version: %s "
"(%" PRId64 ")",
start_on_update.get(), start_count, kAndroidBuildId,
kHalManifestBuildNumber);
#else
ALOGI("Not using ApexUpdateListener since not running in an apex.");
#endif
std::shared_ptr<ICameraProvider> camera_provider =
AidlCameraProvider::Create();
if (camera_provider == nullptr) {
return android::NO_INIT;
}
std::string instance =
std::string() + AidlCameraProvider::descriptor + kProviderInstance;
if (kLazyService) {
if (AServiceManager_registerLazyService(camera_provider->asBinder().get(),
instance.c_str()) != STATUS_OK) {
ALOGE("Cannot register AIDL Google camera provider lazy service");
return android::NO_INIT;
}
} else {
if (AServiceManager_addService(camera_provider->asBinder().get(),
instance.c_str()) != STATUS_OK) {
ALOGE("Cannot register AIDL Google camera provider service");
return android::NO_INIT;
}
}
ABinderProcess_joinThreadPool();
// In normal operation, the threadpool should never return.
return EXIT_FAILURE;
}