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90 lines
3.3 KiB
90 lines
3.3 KiB
4 months ago
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/*
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* Copyright 2020 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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#pragma once
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#include <type_traits>
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#include "common/strings.h"
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#include "hci/hci_packets.h"
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// Define new enums or parsers for existing enums
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namespace bluetooth {
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namespace hci {
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// Must be 0b00, 0b01, 0b10, and 0b11 as this is a bit mask
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enum DeviceType { UNKNOWN = 0, BR_EDR = 1, LE = 2, DUAL = 3 };
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// Scan mode from legacy stack, which is different from hci::ScanEnable
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enum LegacyScanMode { BT_SCAN_MODE_NONE = 0, BT_SCAN_MODE_CONNECTABLE = 1, BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE = 2 };
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} // namespace hci
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// Must be defined in bluetooth namespace
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template <typename T, typename std::enable_if<std::is_same_v<T, hci::DeviceType>, int>::type = 0>
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std::optional<hci::DeviceType> FromLegacyConfigString(const std::string& str) {
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auto raw_value = common::Int64FromString(str);
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if (!raw_value) {
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return std::nullopt;
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}
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if (*raw_value < hci::DeviceType::UNKNOWN || *raw_value > hci::DeviceType::DUAL) {
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return std::nullopt;
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}
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return static_cast<hci::DeviceType>(*raw_value);
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}
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// Must be defined in bluetooth namespace
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template <typename T, typename std::enable_if<std::is_same_v<T, hci::AddressType>, int>::type = 0>
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std::optional<hci::AddressType> FromLegacyConfigString(const std::string& str) {
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auto raw_value = common::Int64FromString(str);
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if (!raw_value) {
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return std::nullopt;
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}
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if (*raw_value < static_cast<int64_t>(hci::AddressType::PUBLIC_DEVICE_ADDRESS) ||
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*raw_value > static_cast<int64_t>(hci::AddressType::RANDOM_IDENTITY_ADDRESS)) {
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return std::nullopt;
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}
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return static_cast<hci::AddressType>(*raw_value);
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}
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// Must be defined in bluetooth namespace
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template <typename T, typename std::enable_if<std::is_same_v<T, hci::KeyType>, int>::type = 0>
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std::optional<hci::KeyType> FromLegacyConfigString(const std::string& str) {
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auto raw_value = common::Int64FromString(str);
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if (!raw_value) {
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return std::nullopt;
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}
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if (*raw_value < static_cast<int64_t>(hci::KeyType::COMBINATION) ||
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*raw_value > static_cast<int64_t>(hci::KeyType::AUTHENTICATED_P256)) {
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return std::nullopt;
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}
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return static_cast<hci::KeyType>(*raw_value);
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}
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// Must be defined in bluetooth namespace
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template <typename T, typename std::enable_if<std::is_same_v<T, hci::LegacyScanMode>, int>::type = 0>
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std::optional<hci::LegacyScanMode> FromLegacyConfigString(const std::string& str) {
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auto raw_value = common::Int64FromString(str);
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if (!raw_value) {
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return std::nullopt;
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}
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if (*raw_value < static_cast<int64_t>(hci::LegacyScanMode::BT_SCAN_MODE_NONE) ||
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*raw_value > static_cast<int64_t>(hci::LegacyScanMode::BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE)) {
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return std::nullopt;
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}
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return static_cast<hci::LegacyScanMode>(*raw_value);
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}
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} // namespace bluetooth
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