1 // Copyright 2023 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #pragma once 16 #include "pw_async/heap_dispatcher.h" 17 #include "pw_bluetooth_sapphire/internal/host/common/device_address.h" 18 #include "pw_bluetooth_sapphire/internal/host/hci/local_address_delegate.h" 19 20 namespace bt::hci { 21 22 class FakeLocalAddressDelegate : public LocalAddressDelegate { 23 public: FakeLocalAddressDelegate(pw::async::Dispatcher & pw_dispatcher)24 explicit FakeLocalAddressDelegate(pw::async::Dispatcher& pw_dispatcher) 25 : heap_dispatcher_(pw_dispatcher) {} 26 ~FakeLocalAddressDelegate() override = default; 27 28 void EnablePrivacy(bool enabled); 29 30 // Returns true if the privacy feature is currently enabled. privacy_enabled()31 bool privacy_enabled() const { return privacy_enabled_; } 32 irk()33 std::optional<UInt128> irk() const override { return std::nullopt; } identity_address()34 DeviceAddress identity_address() const override { return identity_address_; } 35 void EnsureLocalAddress(std::optional<DeviceAddress::Type> address_type, 36 AddressCallback callback) override; 37 38 // Assign a callback to be notified any time the LE address changes. register_address_changed_callback(fit::closure callback)39 void register_address_changed_callback(fit::closure callback) { 40 address_changed_callback_ = std::move(callback); 41 } 42 43 void UpdateRandomAddress(DeviceAddress& address); 44 current_address()45 const DeviceAddress current_address() const { 46 return (privacy_enabled_ && random_) ? random_.value() : identity_address_; 47 } 48 49 // If set to true EnsureLocalAddress runs its callback asynchronously. set_async(bool value)50 void set_async(bool value) { async_ = value; } 51 set_identity_address(const DeviceAddress & value)52 void set_identity_address(const DeviceAddress& value) { 53 identity_address_ = value; 54 } set_local_address(const DeviceAddress & value)55 void set_local_address(const DeviceAddress& value) { local_address_ = value; } 56 57 private: 58 fit::closure address_changed_callback_; 59 60 bool async_ = false; 61 62 bool privacy_enabled_ = false; 63 64 // The random device address assigned to the controller if privacy is enabled. 65 std::optional<DeviceAddress> random_; 66 67 // LE public address 68 DeviceAddress identity_address_ = 69 DeviceAddress(DeviceAddress::Type::kLEPublic, {0}); 70 71 // LE resolvable private address 72 DeviceAddress local_address_ = 73 DeviceAddress(DeviceAddress::Type::kLERandom, {0}); 74 75 pw::async::HeapDispatcher heap_dispatcher_; 76 }; 77 78 } // namespace bt::hci 79