data-agbox/agFreshAirProcess/logthread.cpp

#include "logthread.h"

LogThread::LogThread(QObject *parent) :
    QThread(parent)
{
    keep = false;
    dataList.clear();
    QDir path("/usky/data-agbox/agmqttprocess/log");
    if(!path.exists()){
        system("mkdir -p /usky/data-agbox/agmqttprocess/log/");
    }
    file = new QFile("/usky/data-agbox/agmqttprocess/log/mqttprocess-"+QDate::currentDate().toString("yyyyMMdd")+".log");
    day = QDate::currentDate().day();
}

void LogThread::appendData(QString data)
{
    dataList.append(data);
}

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

void LogThread::run()
{
    printf("log thread start\n");
    if(file->open(QIODevice::ReadWrite|QIODevice::Append|QIODevice::Text)){
        file->write(QString("agMqttProcess start at %1.\r\n").arg(QDateTime::currentDateTime().toString("yyyy-MM-dd HH:mm:ss.zzz")).toUtf8());
        file->close();
    }
    keep = true;
    while(keep){
        if(dataList.length()>0){
            if(day!=QDate::currentDate().day()){
                day = QDate::currentDate().day();
                file = new QFile("/usky/data-agbox/agmqttprocess/log/mqttprocess-"+QDate::currentDate().toString("yyyyMMdd")+".log");

                uint l_time = QDateTime::currentDateTime().toTime_t()-7*86400;
                QDir dir("/usky/data-agbox/agmqttprocess/log");
                QFileInfoList file_list = dir.entryInfoList(QDir::Files);
                for(int i=0;i<file_list.size();i++){
                    QFileInfo f_info = file_list.at(i);
                    if(f_info.lastModified().toTime_t()<l_time){
                        QFile(f_info.canonicalFilePath()).remove();
                    }
                }
            }
            if(file->open(QIODevice::ReadWrite|QIODevice::Append|QIODevice::Text)){
                while(dataList.length()>0){
                    file->write(dataList.first().toUtf8());
                    file->write("\r\n");
                    dataList.removeFirst();
                    usleep(1000);
                }
                file->close();
            }
        }
        usleep(50000);
    }
}