添加一些基本类
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andy
240
base/file.h
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240
base/file.h
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#ifndef file_h__
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#define file_h__
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#include <QFile>
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#include "QByteArray"
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#include "stdint-gcc.h"
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#include "QList"
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#include "base.h"
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#include <QDebug>
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#include<QDir>
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#include "base/crc.h"
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#include "QDateTime"
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#include "base/mycfg.h"
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/* Type for a 16-bit quantity. */
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typedef uint16_t Elf32_Half;
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typedef uint32_t Elf32_Word;
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/* Type of addresses. */
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typedef uint32_t Elf32_Addr;
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/* Type of file offsets. */
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typedef uint32_t Elf32_Off;
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#define EI_NIDENT (16)
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typedef struct
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{
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unsigned char e_ident[EI_NIDENT]; /* Magic number and other info */
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Elf32_Half e_type; /* Object file type */
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Elf32_Half e_machine; /* Architecture */
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Elf32_Word e_version; /* Object file version */
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Elf32_Addr e_entry; /* Entry point virtual address */
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Elf32_Off e_phoff; /* Program header table file offset */
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Elf32_Off e_shoff; /* Section header table file offset */
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Elf32_Word e_flags; /* Processor-specific flags */
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Elf32_Half e_ehsize; /* ELF header size in bytes */
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Elf32_Half e_phentsize; /* Program header table entry size */
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Elf32_Half e_phnum; /* Program header table entry count */
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Elf32_Half e_shentsize; /* Section header table entry size */
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Elf32_Half e_shnum; /* Section header table entry count */
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Elf32_Half e_shstrndx; /* Section header string table index */
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} Elf32_Ehdr;
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class app_file:public QObject
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{
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Q_OBJECT
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public:
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app_file(QString name){
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QFile file;
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file.setFileName(name);
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if(file.exists())
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{
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file.open(QIODevice::ReadOnly);
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data = file.readAll();
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file.close();
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}
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}
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~app_file(){}
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void set_file_point()
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{
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Elf32_Ehdr h;
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memcpy((void *)&h,data.data(),sizeof(h));
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addr= h.e_shoff+h.e_shnum*h.e_shentsize;
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//qDebug()<<"ext file addr="<<addr<<endl;
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}
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// 找到下一个文件
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QByteArray get_next_file(QString &name)
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{
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if(addr>=data.size())
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{
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//qDebug()<<"addr="<<addr<<"data.size()="<<data.size()<<endl;
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return QByteArray();
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}
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int size;
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size=data[addr]|(data[addr+1]<<8)|(data[addr+2]<<16)|(data[addr+3]<<24);
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name=data.mid(addr+4,256-4);
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//qDebug()<<"file name="<<name<<endl;
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QByteArray da=data.mid(addr+256,size-256);
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addr+=size;
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return da;
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}
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// 输出文件列表
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QList<mystring> get_file_list(){
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QList<mystring> l;
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set_file_point();
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for(int i=0;addr<data.size();i++){
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int size;
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size=data[addr]|(data[addr+1]<<8)|(data[addr+2]<<16)|(data[addr+3]<<24);
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myarray name_t(data.mid(addr+4,256-4));
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mystring a=name_t;
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l.append(a);
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addr+=size;
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}
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return l;
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}
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// 根据文件名返回数据
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QByteArray get_file(QString name){
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set_file_point();
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for(int i=0;addr<data.size();i++){
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int size;
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size=data[addr]|(data[addr+1]<<8)|(data[addr+2]<<16)|(data[addr+3]<<24);
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QByteArray n=data.mid(addr+4,256-4);
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if(name==QString(n)){
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return data.mid(addr+256,size-256);
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}
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addr+=size;
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}
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return QByteArray();
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}
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private:
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QByteArray data;
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int addr;
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};
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#define COMM_FILE_PATH QString("/home/root/comm_log/")
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#define COMM_FILE_NAME "comm_log.csv"
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class comm_file:public QObject
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{
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Q_OBJECT
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public:
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comm_file(mycfg *cfg_){
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QDir tempDir;
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if(!tempDir.exists(COMM_FILE_PATH))
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{
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tempDir.mkpath(COMM_FILE_PATH);
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}
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file_=nullptr;
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this->cfg_=cfg_;
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bool new_file=true;
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file_ = new QFile(COMM_FILE_PATH+find_file());
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qInfo()<<"save comm_log at "<<file_->fileName()<<endl;
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if(file_->exists())
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{
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new_file=false;
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}
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if (!file_->open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Append)){
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return;
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}
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if(new_file==true){
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QTextStream tWrite(file_);
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// QStringList ret_infos=cfg_->get_return_info();
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QStringList ret_infos;
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qDebug()<<"ret_info:"<<ret_infos<<"size="<<ret_infos.size()<<endl;
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tWrite<<QString("时间,序号,流程结果,");
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for(int i=0;i<ret_infos.size();i++){
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tWrite<<ret_infos[i];
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tWrite<<",";
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}
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tWrite<<"\n";
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}
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}
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~comm_file(){
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if(file_!=nullptr) {
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file_->flush();
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file_->close();
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delete file_;
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file_=nullptr;
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}
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}
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QString find_file(){
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// 找到检测日志文件，超过7天则删除
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QDir dir=QDir(COMM_FILE_PATH);
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QStringList list;
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list.append("*.csv");
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QStringList files=dir.entryList(list,QDir::NoFilter,QDir::NoSort);
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qDebug()<<"files="<<files<<endl;
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if(files.size()>0){
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// 删除超时的记录
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foreach (QString name, files) {
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if(dateout(name)==true){
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QFile fi;
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fi.setFileName(COMM_FILE_PATH+name);
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qDebug()<<"will remove "<<fi.fileName()<<endl;
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if(fi.remove()!=true)
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{
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qWarning()<<"remove file "<<fi.fileName()<<"err"<<endl;
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}
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}
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}
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}
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QDate t=QDate::currentDate();
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// return t.toString("yyyy_MM_dd")+"-"+QString::number(cfg_->get_plan_id())+".csv";
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return t.toString("yyyy_MM_dd")+"-"+QString::number(0)+".csv";
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}
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// 是否超时,true超时
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bool dateout(QString file){
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QStringList name=file.split(".");
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qDebug()<<"name="<<name<<endl;
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QDate t=QDate::fromString(name[0].split("-")[0],"yyyy_MM_dd");
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QDate t2=QDate::currentDate();
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qDebug()<<"t="<<t.toString("yyyy_MM_dd")<<" t2="<<t2.toString("yyyy_MM_dd")<<endl;
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if((t.daysTo(t2)>30)||(!t.isValid())){
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return true;
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}
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return false;
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}
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void save(uint8_t src,QByteArray data)
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{
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if(file_){
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QTextStream tWrite(file_);
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QString str=QString("%1,").arg(src);
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str.append(QString("%1,").arg(crc::byte_array_to_string(data.mid(0,8))));
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str.append(QString("%1\n").arg(crc::byte_array_to_int_string(data.mid(16,data.size()-16))));
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QDateTime t=QDateTime::currentDateTime();
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tWrite<<t.toString("yyyy.MM.dd hh:mm:ss.zzz ddd");
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tWrite<<",";
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tWrite<<str;
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}
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}
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private:
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QFile *file_;
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mycfg *cfg_;
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};
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#endif
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