| /* |
| * Copyright (C) 2019 The LineageOS 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 <dlfcn.h> |
| |
| #define LOG_TAG "vendor.lineage.livedisplay@2.0-service-legacymm" |
| |
| #include <android-base/logging.h> |
| #include <binder/ProcessState.h> |
| #include <hidl/HidlTransportSupport.h> |
| |
| #include "DisplayModes.h" |
| #include "PictureAdjustment.h" |
| |
| #define MM_DISP_LIB "libmm-disp-apis.so" |
| |
| using android::OK; |
| using android::sp; |
| using android::status_t; |
| using android::hardware::configureRpcThreadpool; |
| using android::hardware::joinRpcThreadpool; |
| |
| using ::vendor::lineage::livedisplay::V2_0::IDisplayModes; |
| using ::vendor::lineage::livedisplay::V2_0::IPictureAdjustment; |
| using ::vendor::lineage::livedisplay::V2_0::legacymm::DisplayModes; |
| using ::vendor::lineage::livedisplay::V2_0::legacymm::PictureAdjustment; |
| |
| int main() { |
| // Vendor backend |
| void* libHandle = nullptr; |
| int (*disp_api_init)(int32_t) = nullptr; |
| |
| // HIDL frontend |
| sp<DisplayModes> dm; |
| sp<PictureAdjustment> pa; |
| |
| status_t status = OK; |
| |
| LOG(INFO) << "LiveDisplay HAL service is starting."; |
| |
| libHandle = dlopen(MM_DISP_LIB, RTLD_NOW); |
| if (libHandle == nullptr) { |
| LOG(ERROR) << "Can not get " << MM_DISP_LIB << " (" << dlerror() << ")"; |
| goto shutdown; |
| } |
| |
| disp_api_init = reinterpret_cast<int (*)(int32_t)>(dlsym(libHandle, "disp_api_init")); |
| if (disp_api_init == nullptr) { |
| LOG(ERROR) << "Can not get disp_api_init from " << MM_DISP_LIB << " (" << dlerror() << ")"; |
| goto shutdown; |
| } |
| |
| status = disp_api_init(0); |
| if (status != OK) { |
| LOG(ERROR) << "Can not initialize " << MM_DISP_LIB << " (" << status << ")"; |
| goto shutdown; |
| } |
| |
| dm = new DisplayModes(libHandle); |
| if (dm == nullptr) { |
| LOG(ERROR) << "Can not create an instance of LiveDisplay HAL DisplayModes Iface, exiting."; |
| goto shutdown; |
| } |
| |
| pa = new PictureAdjustment(libHandle); |
| if (pa == nullptr) { |
| LOG(ERROR) << "Can not create an instance of LiveDisplay HAL PictureAdjustment Iface, " |
| "exiting."; |
| goto shutdown; |
| } |
| |
| if (!dm->isSupported() && !pa->isSupported()) { |
| // Backend isn't ready yet, so restart and try again |
| goto shutdown; |
| } |
| |
| configureRpcThreadpool(1, true /*callerWillJoin*/); |
| |
| if (dm->isSupported()) { |
| status = dm->registerAsService(); |
| if (status != OK) { |
| LOG(ERROR) << "Could not register service for LiveDisplay HAL DisplayModes Iface (" |
| << status << ")"; |
| goto shutdown; |
| } |
| } |
| |
| if (pa->isSupported()) { |
| status = pa->registerAsService(); |
| if (status != OK) { |
| LOG(ERROR) << "Could not register service for LiveDisplay HAL PictureAdjustment Iface (" |
| << status << ")"; |
| goto shutdown; |
| } |
| } |
| |
| LOG(INFO) << "LiveDisplay HAL service is ready."; |
| joinRpcThreadpool(); |
| // Should not pass this line |
| |
| shutdown: |
| // Cleanup what we started |
| if (disp_api_init != nullptr) { |
| disp_api_init(1); |
| } |
| |
| if (libHandle != nullptr) { |
| dlclose(libHandle); |
| } |
| |
| // In normal operation, we don't expect the thread pool to shutdown |
| LOG(ERROR) << "LiveDisplay HAL service is shutting down."; |
| return 1; |
| } |