• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 
23 #include "usb_common.h"
24 #include "usb_function_switch_window.h"
25 #include "usb_srv_support.h"
26 #include "v1_0/iusb_interface.h"
27 #include "v1_0/iusbd_subscriber.h"
28 
29 namespace OHOS {
30 namespace USB {
31 class UsbDeviceManager {
32 public:
33     UsbDeviceManager();
34     int32_t Init();
35     static bool AreSettableFunctions(int32_t funcs);
36 
37     int32_t SetUsbd(const sptr<HDI::Usb::V1_0::IUsbInterface> &usbd);
38     static uint32_t ConvertFromString(std::string_view funcs);
39     static std::string ConvertToString(uint32_t func);
40     void UpdateFunctions(int32_t func);
41     int32_t GetCurrentFunctions();
42     void HandleEvent(int32_t status);
43     void GetDumpHelp(int32_t fd);
44     void Dump(int32_t fd, const std::vector<std::string> &args);
45     bool IsGadgetConnected(void);
46 
47 private:
48     void ProcessFunctionSwitchWindow(int32_t status);
49     void DumpGetSupportFunc(int32_t fd);
50     void DumpSetFunc(int32_t fd, const std::string &args);
51     void ReportFuncChangeSysEvent(int32_t currentFunctions, int32_t updateFunctions);
52     void ReportDevicePlugSysEvent(int32_t currentFunctions, bool connected);
53     static constexpr uint32_t functionSettable_ = UsbSrvSupport::FUNCTION_HDC | UsbSrvSupport::FUNCTION_ACM |
54         UsbSrvSupport::FUNCTION_ECM | UsbSrvSupport::FUNCTION_MTP | UsbSrvSupport::FUNCTION_PTP |
55         UsbSrvSupport::FUNCTION_RNDIS | UsbSrvSupport::FUNCTION_STORAGE;
56     static const std::map<std::string_view, uint32_t> FUNCTION_MAPPING_N2C;
57     int32_t currentFunctions_ {UsbSrvSupport::FUNCTION_HDC};
58     bool connected_ {false};
59     sptr<HDI::Usb::V1_0::IUsbInterface> usbd_ = nullptr;
60 };
61 } // namespace USB
62 } // namespace OHOS
63 
64 #endif // USB_FUNCTION_MANAGER_H
65