1 // 2 // Copyright (C) 2015 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef TPM_MANAGER_SERVER_LOCAL_DATA_STORE_H_ 18 #define TPM_MANAGER_SERVER_LOCAL_DATA_STORE_H_ 19 20 #include "tpm_manager/common/tpm_manager.pb.h" 21 22 namespace tpm_manager { 23 24 // LocalDataStore is an interface class that provides access to read and write 25 // local system data. 26 class LocalDataStore { 27 public: 28 LocalDataStore() = default; 29 virtual ~LocalDataStore() = default; 30 31 // Reads local |data| from persistent storage. If no local data exists, the 32 // output is an empty protobuf and the method succeeds. Returns true on 33 // success. 34 virtual bool Read(LocalData* data) = 0; 35 36 // Writes local |data| to persistent storage. Returns true on success. 37 virtual bool Write(const LocalData& data) = 0; 38 }; 39 40 } // namespace tpm_manager 41 42 #endif // TPM_MANAGER_SERVER_LOCAL_DATA_STORE_H_ 43
