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 ATTESTATION_SERVER_DATABASE_H_ 18 #define ATTESTATION_SERVER_DATABASE_H_ 19 20 #include "attestation/common/database.pb.h" 21 22 namespace attestation { 23 24 // Manages a persistent database of attestation-related data. 25 class Database { 26 public: 27 virtual ~Database() = default; 28 29 // Const access to the database protobuf. 30 virtual const AttestationDatabase& GetProtobuf() const = 0; 31 32 // Mutable access to the database protobuf. Changes made to the protobuf will 33 // be reflected immediately by GetProtobuf() but will not be persisted to disk 34 // until SaveChanges is called successfully. 35 virtual AttestationDatabase* GetMutableProtobuf() = 0; 36 37 // Writes the current database protobuf to disk. 38 virtual bool SaveChanges() = 0; 39 40 // Reloads the database protobuf from disk. 41 virtual bool Reload() = 0; 42 }; 43 44 } // namespace attestation 45 46 #endif // ATTESTATION_SERVER_DATABASE_H_ 47