1 // 2 // Copyright (C) 2014 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 TRUNKS_TPM_SIMULATOR_HANDLE_H_ 18 #define TRUNKS_TPM_SIMULATOR_HANDLE_H_ 19 20 #include "trunks/command_transceiver.h" 21 22 #include <string> 23 #include <vector> 24 25 #include "trunks/error_codes.h" 26 27 namespace trunks { 28 29 // Sends command requests to an in-process software TPM. All commands are 30 // sent synchronously. The SendCommand method is supported but does not return 31 // until a response is received and the callback has been called. Command and 32 // response data are opaque to this class; it performs no validation. 33 // 34 // Example: 35 // TpmSimulatorHandle handle; 36 // if (!handle.Init()) {...} 37 // std::string response = handle.SendCommandAndWait(command); 38 class TpmSimulatorHandle : public CommandTransceiver { 39 public: 40 TpmSimulatorHandle(); 41 ~TpmSimulatorHandle() override; 42 43 // Initializes a TpmSimulatorHandle instance. This method must be called 44 // successfully before any other method. Returns true on success. 45 bool Init() override; 46 47 // CommandTranceiver methods. 48 void SendCommand(const std::string& command, 49 const ResponseCallback& callback) override; 50 std::string SendCommandAndWait(const std::string& command) override; 51 52 private: 53 std::vector<unsigned char> command_buffer; 54 DISALLOW_COPY_AND_ASSIGN(TpmSimulatorHandle); 55 }; 56 57 } // namespace trunks 58 59 #endif // TRUNKS_TPM_SIMULATOR_HANDLE_H_ 60
