1259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// 2259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// Copyright (C) 2015 The Android Open Source Project 3259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// 4259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// Licensed under the Apache License, Version 2.0 (the "License"); 5259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// you may not use this file except in compliance with the License. 6259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// You may obtain a copy of the License at 7259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// 8259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// http://www.apache.org/licenses/LICENSE-2.0 9259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// 10259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// Unless required by applicable law or agreed to in writing, software 11259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// distributed under the License is distributed on an "AS IS" BASIS, 12259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// See the License for the specific language governing permissions and 14259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// limitations under the License. 15259fa1be39c0a35ec374fe127ba49d1c5ed5eb18Utkarsh Sanghi// 16f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn 17f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn#ifndef TPM_MANAGER_SERVER_LOCAL_DATA_STORE_H_ 18f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn#define TPM_MANAGER_SERVER_LOCAL_DATA_STORE_H_ 19f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn 20a94133441da308b30c6fe18cc4e2b866498ee401Darren Krahn#include "tpm_manager/common/tpm_manager.pb.h" 21f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn 22f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahnnamespace tpm_manager { 23f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn 24f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn// LocalDataStore is an interface class that provides access to read and write 25f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn// local system data. 26f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahnclass LocalDataStore { 27f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn public: 28f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn LocalDataStore() = default; 29f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn virtual ~LocalDataStore() = default; 30f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn 31f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn // Reads local |data| from persistent storage. If no local data exists, the 32f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn // output is an empty protobuf and the method succeeds. Returns true on 33f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn // success. 34f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn virtual bool Read(LocalData* data) = 0; 35f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn 36f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn // Writes local |data| to persistent storage. Returns true on success. 37f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn virtual bool Write(const LocalData& data) = 0; 38f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn}; 39f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn 40f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn} // namespace tpm_manager 41f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn 42f22a3bdbc5f53e4177608b591d5612da2512d070Darren Krahn#endif // TPM_MANAGER_SERVER_LOCAL_DATA_STORE_H_ 43