dataBoard/shjdyxyDashBoard/v 1.0 for win/program/USiST04-0100/USiST04-0100-03/logthread.cpp

#include "logthread.h"
#include <QDebug>

LogThread::LogThread(QObject *parent) : QThread(parent)
{
    QDir dir("log");
    if(!dir.exists())
        dir.mkdir("log");
    logList.clear();
}

LogThread::~LogThread()
{
    if(keepWorking)
        stop();
    this->deleteLater();
}

void LogThread::appendLog(QString log)
{
    logList.append(log);
}

void LogThread::stop()
{
    keepWorking = false;
}

void LogThread::run()
{
    keepWorking = true;
    int day = -1;
    while (keepWorking) {
        if(logList.length()>0){
            QDate today = QDate::currentDate();
            if(day!=today.day()){
                uint t = QDateTime::currentDateTime().toTime_t();
                QDir dir("log");
                QFileInfoList list = dir.entryInfoList();
                for(int i=0;i<list.count();i++){
                    if((QString::compare(list.at(i).fileName(),".")!=0)&&(QString::compare(list.at(i).fileName(),"..")!=0)){
                        qDebug()<<list.at(i).fileName();
                        if((t-list.at(i).lastModified().toTime_t())>(7*86400)){
                            QFile::remove("log/"+list.at(i).fileName());
                        }
                    }
                }
                day = today.day();
            }
            QFile file(QString("log/log-%1%2%3.txt").arg(today.year(),4,10,QChar('0')).arg(today.month(),2,10,QChar('0')).arg(today.day(),2,10,QChar('0')));
            if(file.open(QIODevice::Text|QIODevice::Append|QIODevice::WriteOnly)){
                while (logList.length()>0) {
                    file.write(logList.first().toUtf8()+"\n");
                    logList.removeFirst();
                    usleep(10000);
                }
                file.close();
            }
        }
        usleep(100000);
    }
}