| /* |
| * |
| * Copyright (c) 2021 Project CHIP Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include "lib/core/CHIPError.h" |
| |
| #include "Types.h" |
| |
| #if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE |
| |
| namespace chip { |
| namespace DeviceLayer { |
| namespace Internal { |
| |
| /// Iterates over available BlueZ adapters |
| /// |
| /// Usage example: |
| /// |
| /// AdapterIterator iterator; |
| /// while (iterator.Next()) { |
| /// std::cout << iterator.GetAddress() << std::endl; |
| /// } |
| /// |
| /// Data is provided through the bluez dbus interface. You can view |
| /// this data in the commandline using commands such as: |
| /// |
| /// busctl introspect org.bluez /org/bluez/hci0 |
| class AdapterIterator |
| { |
| public: |
| ~AdapterIterator(); |
| |
| /// Moves to the next DBUS interface. |
| /// |
| /// MUST be called before any of the 'current value' methods are |
| /// used (iterator gets initialized on the first call of Next). |
| bool Next(); |
| |
| // Information about the current value. Safe to call only after |
| // "Next" has returned true. |
| uint32_t GetIndex() const { return mCurrent.index; } |
| const char * GetAddress() const { return mCurrent.address.c_str(); } |
| const char * GetAlias() const { return mCurrent.alias.c_str(); } |
| const char * GetName() const { return mCurrent.name.c_str(); } |
| bool IsPowered() const { return mCurrent.powered; } |
| BluezAdapter1 * GetAdapter() const { return mCurrent.adapter; } |
| |
| private: |
| /// Sets up the DBUS manager and loads the list |
| static CHIP_ERROR Initialize(AdapterIterator * self); |
| |
| /// Loads the next value in the list. |
| /// |
| /// Returns true if a value could be loaded, false if no more items to |
| /// iterate through. |
| bool Advance(); |
| |
| static constexpr size_t kMaxAddressLength = 19; // xx:xx:xx:xx:xx:xx |
| static constexpr size_t kMaxNameLength = 64; |
| |
| GDBusObjectManager * mManager = nullptr; // DBus connection |
| GList * mObjectList = nullptr; // listing of objects on the bus |
| GList * mCurrentListItem = nullptr; // current item viewed in the list |
| |
| // data valid only if Next() returns true |
| struct |
| { |
| uint32_t index; |
| std::string address; |
| std::string alias; |
| std::string name; |
| bool powered; |
| BluezAdapter1 * adapter; |
| } mCurrent = { 0 }; |
| }; |
| |
| } // namespace Internal |
| } // namespace DeviceLayer |
| } // namespace chip |
| |
| #endif // CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE |