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 #ifdef USB_MANAGER_V2_0 30 #include "usb_manager_subscriber.h" 31 #include "v2_0/iusb_device_interface.h" 32 #include "mem_mgr_proxy.h" 33 #include "mem_mgr_client.h" 34 #include "system_ability_definition.h" 35 #endif // USB_MANAGER_V2_0 36 37 #define USB_FUNCTION_HDC (1 << 2) 38 #define USB_FUNCTION_MTP (1 << 3) 39 #define USB_FUNCTION_PTP (1 << 4) 40 #define USB_FUNCTION_STORAGE (1 << 9) 41 namespace OHOS { 42 namespace USB { 43 class UsbDeviceManager { 44 public: 45 #ifdef USB_MANAGER_V2_0 46 bool InitUsbDeviceInterface(); 47 void Stop(); 48 int32_t BindUsbdSubscriber(const sptr<HDI::Usb::V2_0::IUsbdSubscriber> &subscriber); 49 int32_t UnbindUsbdSubscriber(const sptr<HDI::Usb::V2_0::IUsbdSubscriber> &subscriber); 50 #endif // USB_MANAGER_V2_0 51 UsbDeviceManager(); 52 ~UsbDeviceManager(); 53 int32_t Init(); 54 static bool IsSettableFunctions(int32_t funcs); 55 56 int32_t SetUsbd(const sptr<HDI::Usb::V1_0::IUsbInterface> &usbd); 57 static uint32_t ConvertFromString(std::string_view funcs); 58 static std::string ConvertToString(uint32_t func); 59 void UpdateFunctions(int32_t func); 60 int32_t GetCurrentFunctions(); 61 void HandleEvent(int32_t status); 62 void GetDumpHelp(int32_t fd); 63 void Dump(int32_t fd, const std::vector<std::string> &args); 64 bool IsGadgetConnected(void); 65 int32_t UserChangeProcess(); 66 int32_t GetCurrentFunctions(int32_t& funcs); 67 int32_t SetCurrentFunctions(int32_t funcs); 68 private: 69 void ProcessFunctionSwitchWindow(bool connected); 70 void ProcessFunctionNotifier(bool connected, int32_t func); 71 void DumpGetSupportFunc(int32_t fd); 72 void DumpSetFunc(int32_t fd, const std::string &args); 73 void ReportFuncChangeSysEvent(int32_t currentFunctions, int32_t updateFunctions); 74 void ReportDevicePlugSysEvent(int32_t currentFunctions, bool connected); 75 void ProcessFuncChange(bool connected, int32_t currentFunc, bool isDisableDialog = false); 76 void BroadcastFuncChange(bool connected, int32_t currentFunc); 77 void ProcessStatus(int32_t status, bool &curConnect); 78 static constexpr uint32_t functionSettable_ = UsbSrvSupport::FUNCTION_HDC | UsbSrvSupport::FUNCTION_ACM | 79 UsbSrvSupport::FUNCTION_ECM | UsbSrvSupport::FUNCTION_MTP | UsbSrvSupport::FUNCTION_PTP | 80 UsbSrvSupport::FUNCTION_RNDIS | UsbSrvSupport::FUNCTION_NCM | UsbSrvSupport::FUNCTION_STORAGE; 81 static const std::map<std::string_view, uint32_t> FUNCTION_MAPPING_N2C; 82 int32_t currentFunctions_ {UsbSrvSupport::FUNCTION_HDC}; 83 bool connected_ {false}; 84 bool hasHdcNotifier_ {false}; 85 bool gadgetConnected_ {false}; 86 bool isDisableDialog_ {false}; 87 sptr<HDI::Usb::V1_0::IUsbInterface> usbd_ = nullptr; 88 Utils::Timer delayDisconn_ {"delayDisconnTimer"}; 89 uint32_t delayDisconnTimerId_ {UINT32_MAX}; 90 uint32_t delayAccTimerId_ {UINT32_MAX}; 91 std::mutex functionMutex_; 92 #ifdef USB_MANAGER_V2_0 93 sptr<HDI::Usb::V2_0::IUsbDeviceInterface> usbDeviceInterface_ = nullptr; 94 sptr<UsbManagerSubscriber> usbManagerSubscriber_; 95 #endif // USB_MANAGER_V2_0 96 }; 97 } // namespace USB 98 } // namespace OHOS 99 100 #endif // USB_FUNCTION_MANAGER_H 101