112 lines
2.7 KiB
C++
Executable File
112 lines
2.7 KiB
C++
Executable File
#ifndef MOUNTBACKUPPROCESS_CPP
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#define MOUNTBACKUPPROCESS_CPP
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#include <QFile>
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#include <QtDebug>
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#include "mountbackupprocess.h"
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#include "../../common/mydefine.h"
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#include "../../common/utils.h"
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MountBackupProcess::MountBackupProcess(QObject* parent)
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: QObject(parent)
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, m_p(new QProcess(this))
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{
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connect(m_p, &QProcess::readyReadStandardError, this, [&]() {
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QByteArray err = m_p->readAllStandardError();
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qCritical("%s", err.data());
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});
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}
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bool MountBackupProcess::Do(const QString& diskUuid)
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{
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QString rootPath(Utils::getSysRootPath());
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// 若备份路径下的xml已经存在，则说明已经挂载过了
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QString backupXmlPath = rootPath + BACKUP_XML_PATH;
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backupXmlPath.replace("//", "/");
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QFile file(backupXmlPath);
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if (file.exists())
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return true;
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QStringList arguments;
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QString backupPartion = rootPath + BACKUP_PATH;
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backupPartion.replace("//","/");
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arguments << QString("-o") << QString("rw") << QString("/dev/disk/by-uuid/%1").arg(diskUuid) << backupPartion;
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m_p->start("mount", arguments);
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if (!m_p->waitForStarted()) {
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qCritical("mount rw /backup process start failed!");
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return false;
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}
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if (!m_p->waitForFinished()) {
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qCritical("mount rw backup process end failed!");
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return false;
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}
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return true;
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}
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bool MountBackupProcess::umountBackupPartition()
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{
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QStringList arguments;
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arguments << QString("/backup");
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m_p->start("umount", arguments);
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if (!m_p->waitForStarted()) {
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qCritical("mount ro backup process start failed!");
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return false;
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}
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if (!m_p->waitForFinished()) {
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qCritical("mount ro backup process end failed!");
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return false;
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}
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return true;
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}
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/**
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* @brief 卸载目录挂载
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* @param mountPath，挂载的目录
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* @return
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*/
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bool MountBackupProcess::umount(const QString& mountPath)
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{
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if (0 == ::umount(mountPath.toUtf8().data()))
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return true;
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qCritical() << QString("%1 umount failed, error is %2(%3)").arg(mountPath).arg(strerror(errno)).arg(QString::number(errno));
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return false;
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}
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/**
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* @brief 挂载
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* @param source 源
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* @param target 目标目录
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* @return
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*/
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bool MountBackupProcess::mount(const QString& source, const QString& target, const QString& options)
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{
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QStringList arguments;
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if (!options.isEmpty())
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arguments << options;
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arguments << source;
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arguments << target;
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m_p->start("mount", arguments);
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if (!m_p->waitForStarted()) {
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qCritical("mount process start failed!");
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return false;
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}
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if (!m_p->waitForFinished()) {
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qCritical("mount process end failed!");
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return false;
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}
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return true;
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}
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#endif // MOUNTBACKUPPROCESS_CPP
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