1 /*
2  * Copyright (c) 2021-2022 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_HOST_MANAGER_H
17 #define USB_HOST_MANAGER_H
18 
19 #include <map>
20 #include <string>
21 #include <vector>
22 
23 #include "system_ability.h"
24 #include "usb_device.h"
25 #include "usb_right_manager.h"
26 #include "usb_interface_type.h"
27 
28 namespace OHOS {
29 namespace USB {
30 struct DeviceClassUsage {
31     uint8_t usage;
32     std::string description;
33 
DeviceClassUsageDeviceClassUsage34     DeviceClassUsage(int8_t uage, std::string des)
35         : usage(uage), description(des) {};
36 };
37 
38 typedef std::map<std::string, UsbDevice *> MAP_STR_DEVICE;
39 class UsbHostManager {
40 public:
41     explicit UsbHostManager(SystemAbility *systemAbility);
42     ~UsbHostManager();
43     void GetDevices(MAP_STR_DEVICE &devices);
44     bool GetProductName(const std::string &deviceName, std::string &productName);
45     bool DelDevice(uint8_t busNum, uint8_t devNum);
46     bool AddDevice(UsbDevice *dev);
47     bool Dump(int fd, const std::string &args);
48 
49 private:
50     bool PublishCommonEvent(const std::string &event, const UsbDevice &dev);
51     void ReportHostPlugSysEvent(const std::string &event, const UsbDevice &dev);
52     std::string ConcatenateToDescription(const UsbDeviceType &interfaceType, const std::string& str);
53     int32_t GetDeviceDescription(int32_t baseClass, std::string &description, uint8_t &usage);
54     int32_t GetInterfaceDescription(const UsbDevice &dev, std::string &description, int32_t &baseClass);
55     std::string GetInterfaceUsageDescription(const UsbDeviceType &interfaceType);
56     MAP_STR_DEVICE devices_;
57     SystemAbility *systemAbility_;
58 };
59 } // namespace USB
60 } // namespace OHOS
61 
62 #endif
63