1 /* 2 * Copyright (C) 2022 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 17 #ifndef WIFI_LEGACY_HAL_FACTORY_H_ 18 #define WIFI_LEGACY_HAL_FACTORY_H_ 19 20 #include <wifi_system/interface_tool.h> 21 22 #include "wifi_legacy_hal.h" 23 24 namespace aidl { 25 namespace android { 26 namespace hardware { 27 namespace wifi { 28 // This is in a separate namespace to prevent typename conflicts between 29 // the legacy HAL types and the AIDL interface types. 30 namespace legacy_hal { 31 /** 32 * Class that creates WifiLegacyHal objects for vendor HALs in the system. 33 */ 34 class WifiLegacyHalFactory { 35 public: 36 WifiLegacyHalFactory(const std::weak_ptr<::android::wifi_system::InterfaceTool> iface_tool); 37 virtual ~WifiLegacyHalFactory() = default; 38 39 std::vector<std::shared_ptr<WifiLegacyHal>> getHals(); 40 41 private: 42 typedef struct { 43 wifi_hal_fn fn; 44 bool primary; 45 void* handle; 46 } wifi_hal_lib_desc; 47 48 bool initVendorHalDescriptorFromLinked(); 49 void initVendorHalsDescriptorList(); 50 bool initLinkedHalFunctionTable(wifi_hal_fn* hal_fn); 51 bool loadVendorHalLib(const std::string& path, wifi_hal_lib_desc& desc); 52 53 std::weak_ptr<::android::wifi_system::InterfaceTool> iface_tool_; 54 std::vector<wifi_hal_lib_desc> descs_; 55 std::vector<std::shared_ptr<WifiLegacyHal>> legacy_hals_; 56 }; 57 58 } // namespace legacy_hal 59 } // namespace wifi 60 } // namespace hardware 61 } // namespace android 62 } // namespace aidl 63 64 #endif // WIFI_LEGACY_HAL_FACTORY_H_ 65