309 bool DhcpFunction::IsExistFile(const std::string& filename)  in IsExistFile()  argument
313     ioFile.open(filename.c_str(), std::ios::in);  in IsExistFile()
317     DHCP_LOGE("IsExistFile %{public}s failed, err:%{public}d", filename.c_str(), errno);  in IsExistFile()
323 bool DhcpFunction::CreateFile(const std::string& filename, const std::string& filedata)  in CreateFile()  argument
326     outFile.open(filename.c_str());  in CreateFile()
333 bool DhcpFunction::RemoveFile(const std::string& filename)  in RemoveFile()  argument
335     if (std::remove(filename.c_str()) != 0) {  in RemoveFile()
336         DHCP_LOGE("RemoveFile filename:%{public}s failed!", filename.c_str());  in RemoveFile()
339     DHCP_LOGI("RemoveFile filename:%{public}s success.", filename.c_str());  in RemoveFile()
343 bool DhcpFunction::AddFileLineData(const std::string& filename, const std::string& prevdata, const …  in AddFileLineData()  argument
347     inFile.open(filename.c_str());  in AddFileLineData()
364         outFile.open(filename.c_str());  in AddFileLineData()
367             filename.c_str(), strFileData.c_str());  in AddFileLineData()
374 bool DhcpFunction::DelFileLineData(const std::string& filename, const std::string& linedata)  in DelFileLineData()  argument
378     inFile.open(filename.c_str());  in DelFileLineData()
395         outFile.open(filename.c_str());  in DelFileLineData()
398             filename.c_str(), strFileData.c_str());  in DelFileLineData()
405 bool DhcpFunction::ModifyFileLineData(const std::string& filename, const std::string& srcdata,  in ModifyFileLineData()  argument
410     inFile.open(filename.c_str());  in ModifyFileLineData()
429         outFile.open(filename.c_str());  in ModifyFileLineData()
432             filename.c_str(), strFileData.c_str());  in ModifyFileLineData()
485 int DhcpFunction::GetDhcpPacketResult(const std::string& filename, struct DhcpPacketResult &result)  in GetDhcpPacketResult()  argument
487     FILE *pFile = fopen(filename.c_str(), "r");  in GetDhcpPacketResult()
489 …DHCP_LOGE("GetDhcpPacketResult() fopen %{public}s fail, err:%{public}s!", filename.c_str(), strerr…  in GetDhcpPacketResult()
504 …DHCP_LOGE("GetDhcpPacketResult() fscanf %{public}s err:%{public}s!", filename.c_str(), strerror(er…  in GetDhcpPacketResult()
508         DHCP_LOGW("GetDhcpPacketResult() fscanf file:%{public}s nRes:0 nullptr!", filename.c_str());  in GetDhcpPacketResult()
512 …DHCP_LOGE("GetDhcpPacketResult() fscanf file:%{public}s nRes:%{public}d ERROR!", filename.c_str(),…  in GetDhcpPacketResult()
518         DHCP_LOGE("GetDhcpPacketResult() fclose file:%{public}s failed!", filename.c_str());  in GetDhcpPacketResult()
524 …LOGE("GetDhcpPacketResult() file:%{public}s failed, FormatString result error!", filename.c_str());  in GetDhcpPacketResult()