1 /* 2 * Copyright (C) 2021 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_IPC_BINDER_CONNECTOR_H 17 #define OHOS_IPC_BINDER_CONNECTOR_H 18 19 #include <string> 20 #include <mutex> 21 22 namespace OHOS { 23 #ifdef CONFIG_IPC_SINGLE 24 namespace IPC_SINGLE { 25 #endif 26 27 class BinderConnector { 28 public: 29 static BinderConnector *GetInstance(); 30 BinderConnector(const std::string &deviceName); 31 ~BinderConnector(); 32 33 int WriteBinder(unsigned long request, void *value); 34 void ExitCurrentThread(unsigned long request); 35 bool IsDriverAlive(); 36 bool IsAccessTokenSupported(); 37 private: 38 static BinderConnector *instance_; 39 static std::mutex skeletonMutex; 40 bool OpenDriver(); 41 int driverFD_; 42 void *vmAddr_; 43 const std::string deviceName_; 44 int32_t version_; 45 uint64_t featureSet_; 46 }; 47 #ifdef CONFIG_IPC_SINGLE 48 } // namespace IPC_SINGLE 49 #endif 50 } // namespace OHOS 51 #endif // OHOS_IPC_BINDER_CONNECTOR_H 52