1 /* 2 * Copyright (C) 2020 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 android { 25 namespace hardware { 26 namespace wifi { 27 namespace V1_6 { 28 namespace implementation { 29 // This is in a separate namespace to prevent typename conflicts between 30 // the legacy HAL types and the HIDL interface types. 31 namespace legacy_hal { 32 /** 33 * Class that creates WifiLegacyHal objects for vendor HALs in the system. 34 */ 35 class WifiLegacyHalFactory { 36 public: 37 WifiLegacyHalFactory(const std::weak_ptr<wifi_system::InterfaceTool> iface_tool); 38 virtual ~WifiLegacyHalFactory() = default; 39 40 std::vector<std::shared_ptr<WifiLegacyHal>> getHals(); 41 42 private: 43 typedef struct { 44 wifi_hal_fn fn; 45 bool primary; 46 void* handle; 47 } wifi_hal_lib_desc; 48 49 bool initVendorHalDescriptorFromLinked(); 50 void initVendorHalsDescriptorList(); 51 bool initLinkedHalFunctionTable(wifi_hal_fn* hal_fn); 52 bool loadVendorHalLib(const std::string& path, wifi_hal_lib_desc& desc); 53 54 std::weak_ptr<wifi_system::InterfaceTool> iface_tool_; 55 std::vector<wifi_hal_lib_desc> descs_; 56 std::vector<std::shared_ptr<WifiLegacyHal>> legacy_hals_; 57 }; 58 59 } // namespace legacy_hal 60 } // namespace implementation 61 } // namespace V1_6 62 } // namespace wifi 63 } // namespace hardware 64 } // namespace android 65 66 #endif // WIFI_LEGACY_HAL_FACTORY_H_ 67