| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #ifndef WIFI_LEGACY_WIFI_HAL_H_ |
| #define WIFI_LEGACY_WIFI_HAL_H_ |
| |
| #include <functional> |
| #include <thread> |
| #include <vector> |
| |
| #include <hardware_legacy/wifi_hal.h> |
| |
| namespace android { |
| namespace hardware { |
| namespace wifi { |
| namespace V1_0 { |
| namespace implementation { |
| |
| /** |
| * Class that encapsulates all legacy HAL interactions. |
| * This class manages the lifetime of the event loop thread used by legacy HAL. |
| */ |
| class WifiLegacyHal { |
| public: |
| WifiLegacyHal(); |
| // Names to use for the different types of iface. |
| std::string getApIfaceName(); |
| std::string getNanIfaceName(); |
| std::string getP2pIfaceName(); |
| std::string getStaIfaceName(); |
| |
| // Initialize the legacy HAL and start the event looper thread. |
| wifi_error start(); |
| // Deinitialize the legacy HAL and stop the event looper thread. |
| wifi_error stop(const std::function<void()>& on_complete_callback); |
| // Wrappers for all the functions in the legacy HAL function table. |
| std::pair<wifi_error, std::string> getDriverVersion(); |
| std::pair<wifi_error, std::string> getFirmwareVersion(); |
| std::pair<wifi_error, std::vector<uint8_t>> requestDriverMemoryDump(); |
| std::pair<wifi_error, std::vector<uint8_t>> requestFirmwareMemoryDump(); |
| |
| private: |
| // Retrieve the interface handle to be used for the "wlan" interface. |
| wifi_error retrieveWlanInterfaceHandle(); |
| // Run the legacy HAL event loop thread. |
| void runEventLoop(); |
| void invalidate(); |
| |
| // Event loop thread used by legacy HAL. |
| std::thread event_loop_thread_; |
| // Global function table of legacy HAL. |
| wifi_hal_fn global_func_table_; |
| // Opaque handle to be used for all global operations. |
| wifi_handle global_handle_; |
| // Opaque handle to be used for all wlan0 interface specific operations. |
| wifi_interface_handle wlan_interface_handle_; |
| // Flag to indicate if we have initiated the cleanup of legacy HAL. |
| bool awaiting_event_loop_termination_; |
| }; |
| |
| } // namespace implementation |
| } // namespace V1_0 |
| } // namespace wifi |
| } // namespace hardware |
| } // namespace android |
| |
| #endif // WIFI_LEGACY_WIFI_HAL_H_ |