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 #include "hdc_register.h" 17 18 #include <dlfcn.h> 19 #include <unistd.h> 20 21 #include "hilog_wrapper.h" 22 23 namespace OHOS::AppExecFwk { 24 namespace { 25 using StartRegister = void (*)(const std::string& pkgName); 26 using StopRegister = void (*)(); 27 } // namespace 28 HdcRegister()29HdcRegister::HdcRegister() : registerHandler_(nullptr) 30 { 31 registerHandler_ = dlopen("libhdc_register.z.so", RTLD_LAZY); 32 if (registerHandler_ == nullptr) { 33 HILOG_ERROR("HdcRegister::StartHdcRegister failed to open register library"); 34 } 35 } 36 ~HdcRegister()37HdcRegister::~HdcRegister() 38 { 39 StopHdcRegister(); 40 } 41 Get()42HdcRegister& HdcRegister::Get() 43 { 44 static HdcRegister hdcRegister; 45 return hdcRegister; 46 } 47 StartHdcRegister(const std::string & bundleName)48void HdcRegister::StartHdcRegister(const std::string& bundleName) 49 { 50 HILOG_INFO("HdcRegister::StartHdcRegister begin"); 51 if (registerHandler_ == nullptr) { 52 HILOG_ERROR("HdcRegister::StartHdcRegister registerHandler_ is nullptr"); 53 return; 54 } 55 StartRegister startRegister = (StartRegister)dlsym(registerHandler_, "StartConnect"); 56 if (startRegister == nullptr) { 57 HILOG_ERROR("HdcRegister::StartHdcRegister failed to find symbol 'StartConnect'"); 58 return; 59 } 60 startRegister(bundleName); 61 HILOG_INFO("HdcRegister::StartHdcRegister end"); 62 } 63 StopHdcRegister()64void HdcRegister::StopHdcRegister() 65 { 66 HILOG_ERROR("HdcRegister::StopHdcRegister begin"); 67 if (registerHandler_ == nullptr) { 68 HILOG_ERROR("HdcRegister::StopHdcRegister registerHandler_ is nullptr"); 69 return; 70 } 71 StopRegister stopRegister = (StopRegister)dlsym(registerHandler_, "StopConnect"); 72 if (stopRegister == nullptr) { 73 HILOG_ERROR("HdcRegister::StopHdcRegister failed to find symbol 'StopConnect'"); 74 return; 75 } 76 dlclose(registerHandler_); 77 registerHandler_ = nullptr; 78 HILOG_INFO("HdcRegister::StopHdcRegister end"); 79 } 80 } // namespace OHOS::AppExecFwk 81