1 /* 2 * Copyright (c) 2021-2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef USB_FUNCTION_MANAGER_H 17 #define USB_FUNCTION_MANAGER_H 18 19 #include <map> 20 #include <string> 21 #include <vector> 22 #include "timer.h" 23 24 #include "usb_common.h" 25 #include "usb_function_switch_window.h" 26 #include "usb_srv_support.h" 27 #include "v1_0/iusb_interface.h" 28 #include "v1_0/iusbd_subscriber.h" 29 30 namespace OHOS { 31 namespace USB { 32 class UsbDeviceManager { 33 public: 34 UsbDeviceManager(); 35 int32_t Init(); 36 static bool AreSettableFunctions(int32_t funcs); 37 38 int32_t SetUsbd(const sptr<HDI::Usb::V1_0::IUsbInterface> &usbd); 39 static uint32_t ConvertFromString(std::string_view funcs); 40 static std::string ConvertToString(uint32_t func); 41 void UpdateFunctions(int32_t func); 42 int32_t GetCurrentFunctions(); 43 void HandleEvent(int32_t status); 44 void GetDumpHelp(int32_t fd); 45 void Dump(int32_t fd, const std::vector<std::string> &args); 46 bool IsGadgetConnected(void); 47 48 private: 49 void ProcessFunctionSwitchWindow(bool connected); 50 void DumpGetSupportFunc(int32_t fd); 51 void DumpSetFunc(int32_t fd, const std::string &args); 52 void ReportFuncChangeSysEvent(int32_t currentFunctions, int32_t updateFunctions); 53 void ReportDevicePlugSysEvent(int32_t currentFunctions, bool connected); 54 void ProcessFuncChange(bool connected, int32_t currentFunc); 55 static constexpr uint32_t functionSettable_ = UsbSrvSupport::FUNCTION_HDC | UsbSrvSupport::FUNCTION_ACM | 56 UsbSrvSupport::FUNCTION_ECM | UsbSrvSupport::FUNCTION_MTP | UsbSrvSupport::FUNCTION_PTP | 57 UsbSrvSupport::FUNCTION_RNDIS | UsbSrvSupport::FUNCTION_STORAGE; 58 static const std::map<std::string_view, uint32_t> FUNCTION_MAPPING_N2C; 59 int32_t currentFunctions_ {UsbSrvSupport::FUNCTION_HDC}; 60 bool connected_ {false}; 61 bool gadgetConnected_ {false}; 62 sptr<HDI::Usb::V1_0::IUsbInterface> usbd_ = nullptr; 63 Utils::Timer delayDisconn_ {"delayDisconnTimer"}; 64 uint32_t delayDisconnTimerId_ {UINT32_MAX}; 65 }; 66 } // namespace USB 67 } // namespace OHOS 68 69 #endif // USB_FUNCTION_MANAGER_H 70