1 /* 2 * Copyright 2020 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 #pragma once 17 18 #include <array> 19 #include <optional> 20 #include <string> 21 #include <unordered_set> 22 23 #include "hci/link_key.h" 24 #include "hci/uuid.h" 25 #include "storage/config_cache.h" 26 #include "storage/config_cache_helper.h" 27 #include "storage/device.h" 28 29 namespace bluetooth { 30 namespace storage { 31 32 class ClassicDevice { 33 public: 34 ClassicDevice(ConfigCache* config, ConfigCache* memory_only_config, std::string section); 35 36 // for move 37 ClassicDevice(ClassicDevice&& other) noexcept = default; 38 ClassicDevice& operator=(ClassicDevice&& other) noexcept = default; 39 40 // for copy 41 ClassicDevice(const ClassicDevice& other) noexcept = default; 42 ClassicDevice& operator=(const ClassicDevice& other) noexcept = default; 43 44 // operators 45 bool operator==(const ClassicDevice& other) const { 46 return config_ == other.config_ && memory_only_config_ == other.memory_only_config_ && section_ == other.section_; 47 } 48 bool operator!=(const ClassicDevice& other) const { 49 return !(*this == other); 50 } 51 bool operator<(const ClassicDevice& other) const { 52 if (config_ != other.config_) { 53 return config_ < other.config_; 54 } 55 if (memory_only_config_ != other.memory_only_config_) { 56 return memory_only_config_ < other.memory_only_config_; 57 } 58 return section_ < other.section_; 59 } 60 bool operator>(const ClassicDevice& rhs) const { 61 return (rhs < *this); 62 } 63 bool operator<=(const ClassicDevice& rhs) const { 64 return !(*this > rhs); 65 } 66 bool operator>=(const ClassicDevice& rhs) const { 67 return !(*this < rhs); 68 } 69 70 // Get the parent device 71 Device Parent(); 72 73 // For logging purpose only, you can't get a ClassicDevice object from parsing a std::string 74 std::string ToLogString() const; 75 76 // Get address of this classic device, it must exist 77 hci::Address GetAddress() const; 78 79 // Return true if device has a link key in one of |kLinkKeyProperties| 80 bool IsPaired() const; 81 82 // Property names that correspond to a link key used in Bluetooth classic device 83 static const std::unordered_set<std::string_view> kLinkKeyProperties; 84 85 private: 86 ConfigCache* config_; 87 ConfigCache* memory_only_config_; 88 std::string section_; 89 friend std::hash<ClassicDevice>; 90 91 public: 92 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(LinkKey, hci::LinkKey, "LinkKey"); 93 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(LinkKeyType, hci::KeyType, "LinkKeyType"); 94 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(ServiceUuids, std::vector<hci::Uuid>, "Service"); 95 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(SdpDiManufacturer, uint16_t, "SdpDiManufacturer"); 96 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(SdpDiModel, uint16_t, "SdpDiModel"); 97 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(SdpDiHardwareVersion, uint16_t, "SdpDiHardwareVersion"); 98 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(SdpDiVendorIdSource, uint16_t, "SdpDiVendorIdSource"); 99 }; 100 101 } // namespace storage 102 } // namespace bluetooth 103 104 namespace std { 105 template <> 106 struct hash<bluetooth::storage::ClassicDevice> { 107 std::size_t operator()(const bluetooth::storage::ClassicDevice& val) const noexcept { 108 std::size_t pointer_hash_1 = std::hash<bluetooth::storage::ConfigCache*>{}(val.config_); 109 std::size_t pointer_hash_2 = std::hash<bluetooth::storage::ConfigCache*>{}(val.config_); 110 std::size_t addr_hash = std::hash<std::string>{}(val.section_); 111 return addr_hash ^ (pointer_hash_1 << 1) ^ (pointer_hash_2 << 2); 112 } 113 }; 114 } // namespace std