| // Copyright 2017 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef HID_MESSAGE_H_ |
| #define HID_MESSAGE_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| namespace atrusctl { |
| |
| class HIDMessage { |
| public: |
| HIDMessage() = default; |
| HIDMessage(uint8_t report_id, uint16_t command_id); |
| |
| bool PackIntoBuffer(std::vector<uint8_t>* buffer) const; |
| bool UnpackFromBuffer(const std::vector<uint8_t>& buffer); |
| bool Validate(const HIDMessage& other); |
| |
| uint8_t report_id() const { return report_id_; } |
| uint16_t command_id() const { return command_id_; } |
| const std::string& body() const { return body_; } |
| |
| std::string ToString() const; |
| |
| private: |
| // The message is constructed as follows: <header><body>, where <header> is |
| // |report_id_| followed by |command_id_|. The body is empty for a request, |
| // i.e. sending a message. On a response, the body contains the actual |
| // response-string from the hid device |
| uint8_t report_id_; |
| uint16_t command_id_; |
| std::string body_; |
| }; |
| |
| } // namespace atrusctl |
| |
| #endif // HID_MESSAGE_H_ |
