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