1 /* 2 * Copyright (c) 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 USBD_LOAD_USB_SERVICE_H 17 #define USBD_LOAD_USB_SERVICE_H 18 #include <csignal> 19 #include <cstdlib> 20 #include <hdf_base.h> 21 #include <hdf_log.h> 22 #include "system_ability_definition.h" 23 #include "system_ability_load_callback_stub.h" 24 25 #define HDF_PROCESS_STACK_SIZE 100000 26 #define SLEEP_DELAY 100 27 #define CHECK_CNT 20 28 #define CHECK_TIME 30 29 30 namespace OHOS { 31 namespace HDI { 32 namespace Usb { 33 namespace V1_0 { 34 class OnDemandLoadCallback : public SystemAbilityLoadCallbackStub { 35 public: 36 static bool loading_; 37 explicit OnDemandLoadCallback(); 38 39 void OnLoadSystemAbilitySuccess(int32_t systemAbilityId, const sptr<IRemoteObject>& remoteObject); 40 void OnLoadSystemAbilityFail(int32_t systemAbilityId); 41 private: 42 }; 43 44 class UsbdLoadUsbService { 45 public: 46 UsbdLoadUsbService() = default; 47 ~UsbdLoadUsbService() = default; 48 static int32_t LoadUsbService(); 49 static int32_t RemoveUsbService(); 50 static void SetUsbLoadRemoveCount(uint32_t count); 51 static uint32_t GetUsbLoadRemoveCount(); 52 static void CloseUsbService(); 53 private: 54 static void IncreaseUsbLoadRemoveCount(); 55 static void DecreaseUsbLoadRemoveCount(); 56 static int32_t UsbLoadWorkEntry(void *para); 57 static int32_t StartThreadUsbLoad(); 58 static void UsbRemoveWorkEntry(int32_t sig); 59 static bool alarmRunning_; 60 static uint32_t count_; 61 }; 62 } // namespace V1_0 63 } // namespace Usb 64 } // namespace HDI 65 } // namespace OHOS 66 67 #endif 68