109 lines
3.7 KiB
C++
109 lines
3.7 KiB
C++
/*
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* Copyright (C) 2022 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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#ifdef LAZY_SERVICE
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#define LOG_TAG "android.hardware.pixel.camera.provider@2.7-service-lazy"
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#else
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#define LOG_TAG "android.hardware.pixel.camera.provider@2.7-service"
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#endif
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#include <aidl/android/hardware/camera/provider/ICameraProvider.h>
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#include <android/binder_manager.h>
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#include <android/binder_process.h>
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#include <apex_update_listener.h>
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#include <binder/ProcessState.h>
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#include <cutils/properties.h>
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#include <hidl/HidlTransportSupport.h>
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#include <malloc.h>
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#include <utils/Errors.h>
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#include <cinttypes>
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#include "aidl_camera_build_version.h"
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#include "aidl_camera_provider.h"
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using aidl::android::hardware::camera::provider::ICameraProvider;
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using ::android::hardware::camera::provider::implementation::AidlCameraProvider;
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#ifdef LAZY_SERVICE
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const bool kLazyService = true;
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#else
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const bool kLazyService = false;
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#endif
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const std::string kProviderInstance = "/internal/0";
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int main() {
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ALOGI("Google camera provider service is starting.");
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// The camera HAL may communicate to other vendor components via
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// /dev/vndbinder
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mallopt(M_DECAY_TIME, 1);
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android::ProcessState::initWithDriver("/dev/vndbinder");
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android::hardware::configureRpcThreadpool(/*maxThreads=*/6,
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/*callerWillJoin=*/true);
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// Don't depend on vndbinder setting up threads in case we stop using them
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// some day
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ABinderProcess_setThreadPoolMaxThreadCount(6);
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ABinderProcess_startThreadPool();
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#ifdef __ANDROID_APEX__
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int start_count = property_get_int32("vendor.camera.hal.start.count", 0);
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property_set("vendor.camera.hal.start.count",
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std::to_string(++start_count).c_str());
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property_set("vendor.camera.hal.version",
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std::to_string(kHalManifestBuildNumber).c_str());
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property_set("vendor.camera.hal.build_id", kAndroidBuildId);
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auto start_on_update =
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ApexUpdateListener::Make("com.google.pixel.camera.hal", [](auto, auto) {
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ALOGI("APEX version updated. starting.");
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exit(0);
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});
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ALOGI(
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"Using ApexUpdateListener: %p Start Count: %d Current Version: %s "
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"(%" PRId64 ")",
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start_on_update.get(), start_count, kAndroidBuildId,
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kHalManifestBuildNumber);
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#else
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ALOGI("Not using ApexUpdateListener since not running in an apex.");
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#endif
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std::shared_ptr<ICameraProvider> camera_provider =
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AidlCameraProvider::Create();
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if (camera_provider == nullptr) {
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return android::NO_INIT;
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}
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std::string instance =
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std::string() + AidlCameraProvider::descriptor + kProviderInstance;
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if (kLazyService) {
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if (AServiceManager_registerLazyService(camera_provider->asBinder().get(),
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instance.c_str()) != STATUS_OK) {
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ALOGE("Cannot register AIDL Google camera provider lazy service");
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return android::NO_INIT;
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}
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} else {
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if (AServiceManager_addService(camera_provider->asBinder().get(),
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instance.c_str()) != STATUS_OK) {
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ALOGE("Cannot register AIDL Google camera provider service");
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return android::NO_INIT;
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}
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}
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ABinderProcess_joinThreadPool();
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// In normal operation, the threadpool should never return.
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return EXIT_FAILURE;
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}
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