| // |
| // Copyright (C) 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 <android-base/logging.h> |
| #include <android-base/properties.h> |
| #include <android/gsi/IGsiService.h> |
| #include <android/gsi/IGsid.h> |
| #include <binder/IServiceManager.h> |
| #include <libgsi/libgsi.h> |
| |
| namespace android { |
| namespace gsi { |
| |
| using namespace std::chrono_literals; |
| using android::sp; |
| |
| static sp<IGsid> GetGsid() { |
| if (android::base::GetProperty("init.svc.gsid", "") != "running") { |
| if (!android::base::SetProperty("ctl.start", "gsid") || |
| !android::base::WaitForProperty("init.svc.gsid", "running", 5s)) { |
| LOG(ERROR) << "Unable to start gsid"; |
| return nullptr; |
| } |
| } |
| |
| static const int kSleepTimeMs = 50; |
| static const int kTotalWaitTimeMs = 3000; |
| for (int i = 0; i < kTotalWaitTimeMs / kSleepTimeMs; i++) { |
| auto sm = android::defaultServiceManager(); |
| auto name = android::String16(kGsiServiceName); |
| android::sp<android::IBinder> res = sm->checkService(name); |
| if (res) { |
| return android::interface_cast<IGsid>(res); |
| } |
| usleep(kSleepTimeMs * 1000); |
| } |
| |
| LOG(ERROR) << "Timed out trying to start gsid"; |
| return nullptr; |
| } |
| |
| sp<IGsiService> GetGsiService() { |
| auto gsid = GetGsid(); |
| if (!gsid) { |
| return nullptr; |
| } |
| |
| sp<IGsiService> service; |
| auto status = gsid->getClient(&service); |
| if (!status.isOk() || !service) { |
| LOG(ERROR) << "Error acquiring IGsid: " << status.exceptionMessage().string(); |
| return nullptr; |
| } |
| return service; |
| } |
| |
| } // namespace gsi |
| } // namespace android |