update-client/Common/FileHelper.cpp

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

bool FileHelper::createDir(const QString &path)
{
    QDir dir(path);
    if (!dir.exists())
        return dir.mkpath(".");
    return true;
}

bool FileHelper::copyFileOverwrite(const QString &src, const QString &dst)
{
    if (QFile::exists(dst))
    {
        if (!QFile::remove(dst))
        {
            qDebug() << "Cannot remove the old file:" << dst;
            return false;
        }
    }
    return QFile::copy(src, dst);
}

bool FileHelper::isProcessRunning(const QString &exeName)
{
    QProcess process;
    process.start("tasklist");
    process.waitForFinished();
    QString output = process.readAllStandardOutput();
    return output.contains(exeName, Qt::CaseInsensitive);
}

bool FileHelper::killProcess(const QString &exeName)
{
    if (!isProcessRunning(exeName))
        return true;
    QProcess process;
    process.start("taskkill /f /im " + exeName);
    process.waitForFinished(1000);
    return !isProcessRunning(exeName);
}