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/*
* Copyright (C) 2019 ~ 2021 Uniontech Software Technology Co.,Ltd.
*
* Author: linxun <linxun@uniontech.com>
*
* Maintainer: linxun <linxun@uniontech.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "logviewerwatcher.h"
#include <QProcess>
#include <QCoreApplication>
#include <QDebug>
LogViewerWatcher::LogViewerWatcher():m_Timer(new QTimer (this))
{
connect(m_Timer,&QTimer::timeout,this,&LogViewerWatcher::onTimeOut);
m_Timer->start(1000);
}
/**
* @brief 定时监控客户端
*/
void LogViewerWatcher::onTimeOut()
{
QString cmd, outPut;
//判断deepin-log-viewer客户端是否存在，如果不存在退出服务。
cmd = QString("ps aux | grep -w deepin-log-viewer$");
outPut= executCmd(cmd);
int ret = outPut.length();
if (!ret)
QCoreApplication::exit(0);
}
/**
* @brief 执行外部命令
* @param strCmd:外部命令字符串
*/
QString LogViewerWatcher::executCmd(const QString &strCmd)
{
QProcess proc;
proc.start("bash", QStringList() << "-c" << strCmd);
proc.waitForFinished(-1);
return proc.readAllStandardOutput();
}
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