1 /* 2 * Copyright 2018 Google LLC 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 FCP_SECAGG_SERVER_SECAGG_SERVER_ABORTED_STATE_H_ 18 #define FCP_SECAGG_SERVER_SECAGG_SERVER_ABORTED_STATE_H_ 19 20 #include <memory> 21 #include <string> 22 23 #include "fcp/secagg/server/secagg_server_state.h" 24 25 namespace fcp { 26 namespace secagg { 27 28 // This class is the State for the SecAggServer after it has aborted. The server 29 // cannot transition out of this state; a new SecAggServer object will be needed 30 // to start a new run of the protocol. However, an aborted SecAggServer still 31 // stores some of the information about the server before it aborted. 32 33 class SecAggServerAbortedState : public SecAggServerState { 34 public: 35 SecAggServerAbortedState( 36 const std::string& error_message, 37 std::unique_ptr<SecAggServerProtocolImpl> impl, 38 int number_of_clients_failed_after_sending_masked_input, 39 int number_of_clients_failed_before_sending_masked_input, 40 int number_of_clients_terminated_without_unmasking); 41 42 ~SecAggServerAbortedState() override; 43 44 // Returns true. 45 bool IsAborted() const override; 46 47 // Returns an error message explaining why the server aborted. 48 StatusOr<std::string> ErrorMessage() const override; 49 50 bool IsNumberOfIncludedInputsCommitted() const override; 51 52 private: 53 const std::string error_message_; 54 }; 55 56 } // namespace secagg 57 } // namespace fcp 58 59 #endif // FCP_SECAGG_SERVER_SECAGG_SERVER_ABORTED_STATE_H_ 60