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 return config_ < other.config_ && memory_only_config_ < other.memory_only_config_ && section_ < other.section_; 53 } 54 bool operator>(const ClassicDevice& rhs) const { 55 return (rhs < *this); 56 } 57 bool operator<=(const ClassicDevice& rhs) const { 58 return !(*this > rhs); 59 } 60 bool operator>=(const ClassicDevice& rhs) const { 61 return !(*this < rhs); 62 } 63 64 // Get the parent device 65 Device Parent(); 66 67 // For logging purpose only, you can't get a ClassicDevice object from parsing a std::string 68 std::string ToLogString() const; 69 70 // Get address of this classic device, it must exist 71 hci::Address GetAddress() const; 72 73 // Return true if device has a link key in one of |kLinkKeyProperties| 74 bool IsPaired() const; 75 76 // Property names that correspond to a link key used in Bluetooth classic device 77 static const std::unordered_set<std::string_view> kLinkKeyProperties; 78 79 private: 80 ConfigCache* config_; 81 ConfigCache* memory_only_config_; 82 std::string section_; 83 friend std::hash<ClassicDevice>; 84 85 public: 86 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(LinkKey, hci::LinkKey, "LinkKey"); 87 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(LinkKeyType, hci::KeyType, "LinkKeyType"); 88 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(ServiceUuids, std::vector<hci::Uuid>, "Service"); 89 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(SdpDiManufacturer, uint16_t, "SdpDiManufacturer"); 90 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(SdpDiModel, uint16_t, "SdpDiModel"); 91 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(SdpDiHardwareVersion, uint16_t, "SdpDiHardwareVersion"); 92 GENERATE_PROPERTY_GETTER_SETTER_REMOVER(SdpDiVendorIdSource, uint16_t, "SdpDiVendorIdSource"); 93 }; 94 95 } // namespace storage 96 } // namespace bluetooth 97 98 namespace std { 99 template <> 100 struct hash<bluetooth::storage::ClassicDevice> { 101 std::size_t operator()(const bluetooth::storage::ClassicDevice& val) const noexcept { 102 std::size_t pointer_hash_1 = std::hash<bluetooth::storage::ConfigCache*>{}(val.config_); 103 std::size_t pointer_hash_2 = std::hash<bluetooth::storage::ConfigCache*>{}(val.config_); 104 std::size_t addr_hash = std::hash<std::string>{}(val.section_); 105 return addr_hash ^ (pointer_hash_1 << 1) ^ (pointer_hash_2 << 2); 106 } 107 }; 108 } // namespace std