| /****************************************************************************** |
| * |
| * Copyright 2019 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| #pragma once |
| |
| #include <array> |
| #include <optional> |
| #include <string> |
| |
| #include "packet/custom_field_fixed_size_interface.h" |
| #include "storage/serializable.h" |
| |
| namespace bluetooth { |
| namespace hci { |
| |
| class ClassOfDevice final : public packet::CustomFieldFixedSizeInterface<ClassOfDevice>, |
| public storage::Serializable<ClassOfDevice> { |
| public: |
| static constexpr size_t kLength = 3; |
| |
| std::array<uint8_t, kLength> cod = {}; |
| |
| ClassOfDevice() = default; |
| ClassOfDevice(const uint8_t (&class_of_device)[kLength]); |
| |
| // packet::CustomFieldFixedSizeInterface methods |
| inline uint8_t* data() override { |
| return cod.data(); |
| } |
| inline const uint8_t* data() const override { |
| return cod.data(); |
| } |
| |
| // storage::Serializable methods |
| std::string ToString() const; |
| static std::optional<ClassOfDevice> FromString(const std::string& str); |
| std::string ToLegacyConfigString() const override; |
| static std::optional<ClassOfDevice> FromLegacyConfigString(const std::string& str); |
| |
| bool operator<(const ClassOfDevice& rhs) const { |
| return cod < rhs.cod; |
| } |
| bool operator==(const ClassOfDevice& rhs) const { |
| return cod == rhs.cod; |
| } |
| bool operator>(const ClassOfDevice& rhs) const { |
| return (rhs < *this); |
| } |
| bool operator<=(const ClassOfDevice& rhs) const { |
| return !(*this > rhs); |
| } |
| bool operator>=(const ClassOfDevice& rhs) const { |
| return !(*this < rhs); |
| } |
| bool operator!=(const ClassOfDevice& rhs) const { |
| return !(*this == rhs); |
| } |
| |
| // Converts |string| to ClassOfDevice and places it in |to|. If |from| does |
| // not represent a Class of Device, |to| is not modified and this function |
| // returns false. Otherwise, it returns true. |
| static bool FromString(const std::string& from, ClassOfDevice& to); |
| |
| // Converts uint32_t encoded class of device to ClassOfDevice object |
| // uint32_t encoding: |
| // <high> uint8_t(cod[0]) | uint8_t(cod[1]) | uint8_t(cod[2]) <low> |
| // Only used in legacy stack device config |
| static std::optional<ClassOfDevice> FromUint32Legacy(uint32_t cod_int); |
| uint32_t ToUint32Legacy() const; |
| |
| // Copies |from| raw Class of Device octets to the local object. |
| // Returns the number of copied octets (always ClassOfDevice::kLength) |
| size_t FromOctets(const uint8_t* from); |
| |
| static bool IsValid(const std::string& class_of_device); |
| }; |
| |
| inline std::ostream& operator<<(std::ostream& os, const ClassOfDevice& c) { |
| os << c.ToString(); |
| return os; |
| } |
| |
| } // namespace hci |
| } // namespace bluetooth |