620 lines
19 KiB
C++
Executable File
620 lines
19 KiB
C++
Executable File
#include "udisksystembackupproxy.h"
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#include <QStorageInfo>
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#include <QDateTime>
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#include <QDebug>
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#include <QTimer>
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#include <kysec/status.h>
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#include "../common/utils.h"
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#include "../common/mydusizetool.h"
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#include "mymountproxy.h"
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IMPLEMENT_DYNCREATE(UDiskSystemBackupProxy)
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UDiskSystemBackupProxy::UDiskSystemBackupProxy()
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{
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m_bSuccess = false;
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m_isFinished = false;
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m_p = nullptr;
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m_size = 0;
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m_calc = new CalcBackupSize(this);
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m_isOnlyCheck = true;
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m_mksquashfs = nullptr;
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m_isForce = false;
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connect(this, &UDiskSystemBackupProxy::cancel, this, &UDiskSystemBackupProxy::cancelEx);
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}
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UDiskSystemBackupProxy::~UDiskSystemBackupProxy()
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{
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delete m_p;
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m_p = nullptr;
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delete m_calc;
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m_calc = nullptr;
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delete m_mksquashfs;
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m_mksquashfs = nullptr;
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QString rm("rm -rf ");
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rm += m_imgPath;
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QProcess::execute(rm);
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}
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/**
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* @brief 环境检测
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* @return
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*/
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bool UDiskSystemBackupProxy::checkEnvEx()
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{
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qDebug() << "UDiskSystemBackupProxy::checkEnv invoke begin";
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// 1、检查/backup分区是否挂载上(不管是本地磁盘还是u盘设备，都得保证/backup挂载上); 若没挂载，挂载
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// 后来支持无备份分区
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MyMountProxy mountProxy;
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MountResult result = mountProxy.mountBackupPartition();
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// 无备份分区
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if (MountResult::CANNOT_GET_BACKUPUUID == result) {
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qInfo() << "There is no backup partition!";
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QString snapshotsPath = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH;
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snapshotsPath.replace("//", "/");
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Utils::mkpath(snapshotsPath);
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Utils::generateExcludePathsFile();
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} else if (MountResult::MOUNTED != result) {
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emit checkResult(int(BackupResult::BACKUP_PARTITION_MOUNT_FAIL));
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return false;
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}
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QString backupPath(m_backupWrapper.m_prefixDestPath);
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backupPath.replace("//", "/");
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QStorageInfo udisk(backupPath);
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QString udisk_type = udisk.fileSystemType();
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qDebug() << "udisk's filesystemtype is " << udisk_type;
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if (udisk_type == "vfat") {
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qCritical() << m_backupWrapper.m_prefixDestPath + " udisk's filesystemtype is vfat";
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emit checkResult(int(BackupResult::UDISK_FILESYSTEM_TYPE_IS_VFAT));
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return false;
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}
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if (udisk.isReadOnly()) {
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// 只读挂载的U盘
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qCritical() << QString("udisk(%s) is readonly filesystem").arg(m_backupWrapper.m_prefixDestPath);
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emit checkResult(int(BackupResult::UDISK_FILESYSTEM_IS_READONLY));
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return false;
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}
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QTimer::singleShot(1*1000, this, &UDiskSystemBackupProxy::checkDestDirExists);
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// 2、计算备份大小
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calcSizeForBackup();
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qDebug() << "UDiskSystemBackupProxy::checkEnv invoke end";
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return true;
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}
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/**
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* @brief 执行备份逻辑
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*/
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void UDiskSystemBackupProxy::doWorkEx()
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{
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qDebug() << "UDiskSystemBackupProxy::doWorkEx invoke begin";
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m_isOnlyCheck = false;
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// 环境检测
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checkEnvEx();
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qDebug() << "UDiskSystemBackupProxy::doWorkEx invoke end";
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}
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void UDiskSystemBackupProxy::cancelEx()
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{
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qDebug() << "UDiskSystemBackupProxy::cancelEx invoke begin";
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m_bCancel = true;
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if (!m_isFinished) {
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emit this->checkResult(int(BackupResult::START_CANCEL));
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if (m_calc)
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m_calc->stop();
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if (m_mksquashfs)
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m_mksquashfs->stop();
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if (m_p)
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m_p->stop();
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QProcess::execute("sync");
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Utils::wait(5);
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deleteFailedData();
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emit this->checkResult(int(BackupResult::CANCEL_SUCCESS));
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}
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qDebug() << "UDiskSystemBackupProxy::cancelEx invoke end";
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}
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/**
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* @brief 失败则删除相应数据
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*/
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void UDiskSystemBackupProxy::deleteFailedData()
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{
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if (m_curUuid.isEmpty())
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return;
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// 1、删除备份目录
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QString destPath = m_backupWrapper.m_prefixDestPath + BACKUP_SNAPSHOTS_PATH + "/" + m_curUuid;
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destPath.replace("//", "/");
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QStringList args;
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args << "-rf";
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args << destPath;
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QProcess::execute("rm", args);
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// 2、删除xml文件中的备份项
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QString xmlPath = m_backupWrapper.m_prefixDestPath + BACKUP_XML_PATH;
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xmlPath.replace("//", "/");
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ParseBackupList parse(xmlPath);
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parse.deleteItem(m_curUuid);
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}
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/**
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* @brief 判断是否增量备份
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* @return true,增量备份； false，全量备份
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*/
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bool UDiskSystemBackupProxy::isIncBackup()
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{
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QString backupPath;
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ParseBackupList::BackupPoint point;
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if (m_backupWrapper.m_uuid.isEmpty()) {
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QString xmlPath(m_backupWrapper.m_prefixDestPath + BACKUP_XML_PATH);
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xmlPath.replace("//", "/");
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ParseBackupList parser(xmlPath);
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point = parser.getLastSysBackupPoint();
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if (point.m_uuid.isEmpty())
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return false;
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backupPath = m_backupWrapper.m_prefixDestPath + BACKUP_SNAPSHOTS_PATH + "/" + point.m_uuid + "/data";
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} else {
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backupPath = m_backupWrapper.m_prefixDestPath + BACKUP_SNAPSHOTS_PATH + "/" + m_backupWrapper.m_uuid + "/data";
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}
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backupPath.replace("//", "/");
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if (Utils::isDirExist(backupPath)) {
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m_backupWrapper.m_baseUuid = point.m_uuid;
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m_backupWrapper.m_bIncrement = true;
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m_backupWrapper.m_type = BackupType::INC_BACKUP_SYSTEM;
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return true;
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}
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return false;
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}
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/**
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* @brief 校验剩余空间是否满足备份
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*/
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void UDiskSystemBackupProxy::checkFreeCapacity(qint64 itotalSize)
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{
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qDebug() << "UDiskSystemBackupProxy::checkFreeCapacity invoke begin";
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// 如果是取消了操作，则不再发送其它信息
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if (m_bCancel)
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return ;
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// 拔掉U盘的场景
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if (m_isForce) {
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emit this->checkResult(int(BackupResult::WRITE_BACKUP_PATHS_TO_USER_FAILED));
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return ;
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}
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// 1、计算待备份数据的大小
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m_size = itotalSize;
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// 备份过程中会有一些临时文件产生，会占用一部分空间，故我们预留500M的空间
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itotalSize += 500 * MB;
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// 2、计算备份分区剩余空间大小
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QString backupPath(m_backupWrapper.m_prefixDestPath);
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backupPath.replace("//", "/");
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QStorageInfo backupDisk(backupPath);
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qint64 freeSize = backupDisk.bytesAvailable();
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// 3、校验空间是否足够
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if (itotalSize > freeSize) {
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emit checkResult(int(BackupResult::BACKUP_CAPACITY_IS_NOT_ENOUGH));
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return ;
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} else {
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emit checkResult(int(BackupResult::CHECK_ENV_SUCCESS));
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}
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if (m_isOnlyCheck)
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return ;
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// 4、判断是否需要先压缩成img文件，压缩后一般小于原大小的70%
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itotalSize = itotalSize * 7 / 10;
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QHash<QString, QString> hash = Utils::getLeftSizeOfPartitions();
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for (QHash<QString, QString>::const_iterator it = hash.constBegin(); it != hash.constEnd(); ++it) {
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QString path = it.key();
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QString size = it.value();
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if (size.endsWith("G")) {
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size.replace("G", "");
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qint64 leftSize = size.toLongLong() * 1000 * 1000 * 1000;
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if (itotalSize < leftSize) {
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m_imgPath = path + IMGBACKUP_PATH;
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m_imgPath.replace("//", "/");
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break ;
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}
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}
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}
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// 5、开始制作img或开始备份
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if (m_imgPath.isEmpty()) {
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doBackup();
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} else {
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doMksqushfs();
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}
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qDebug() << "UDiskSystemBackupProxy::checkFreeCapacity invoke end";
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}
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/**
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* @brief 计算备份所需空间大小
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* @return 计算备份所需空间大小,单位字节
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*/
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void UDiskSystemBackupProxy::calcSizeForBackup()
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{
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// 拼接备份源路径和目标路径，测试所需备份空间大小；目标路径为一虚拟路径
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QString srcPath = Utils::getSysRootPath();
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srcPath += "/";
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srcPath.replace("//", "/");
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QString destPath = Utils::getSysRootPath();
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destPath += CHECK_PATH;
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destPath.replace("//", "/");
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Utils::mkpath(destPath);
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QStringList args = getRsyncArgs(UDiskSystemBackupScene::TRY_SYSTEM_BACKUP);
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args << srcPath;
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args << destPath;
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connect(m_calc, &CalcBackupSize::finished, this, &UDiskSystemBackupProxy::checkFreeCapacity);
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m_calc->start(args, false);
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}
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/**
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* @brief 根据场景获取rsync命令参数
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* @param scene，场景
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* @return rsync的参数信息
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*/
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QStringList UDiskSystemBackupProxy::getRsyncArgs(UDiskSystemBackupScene scene)
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{
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QStringList args;
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QStringList excludes;
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switch (scene) {
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case UDiskSystemBackupScene::SYSTEM_BACKUP :
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args << "-avAHXr";
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args << "--info=progress2";
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args << "--no-inc-recursive";
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args << "--ignore-missing-args";
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break ;
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case UDiskSystemBackupScene::TRY_SYSTEM_BACKUP :
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args << "-aAHXrn";
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args << "--stats";
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args << "--ignore-missing-args";
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break ;
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case UDiskSystemBackupScene::MKSQUASHFS :
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Utils::excludeFstabBindPath(excludes);
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// --exclude=排除路径设置
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for (QString item : m_backupWrapper.m_backupExcludePaths) {
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if (excludes.contains(item))
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continue;
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if (item.endsWith("/*")) {
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item.replace("/*", "");
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}
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args << "-e" << item;
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}
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args << "-e" << m_imgPath;
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return args;
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case UDiskSystemBackupScene::IMG_BACKUP :
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args << "-avAHXr";
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args << "--info=progress2";
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args << "--no-inc-recursive";
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args << "--ignore-missing-args";
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return args;
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default:
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return args;
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}
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// --exclude=排除路径设置
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for (const QString & item : m_backupWrapper.m_backupExcludePaths) {
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args << QString("--exclude=%1").arg(item);
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}
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return args;
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}
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/**
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* @brief mksqushfs
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*/
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void UDiskSystemBackupProxy::doMksqushfs()
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{
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qDebug() << "UDiskSystemBackupProxy::doMksqushfs invoke begin";
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m_mksquashfs = new MkSquashFSProcess(this);
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connect(m_mksquashfs, &MkSquashFSProcess::progress, this, &UDiskSystemBackupProxy::progress);
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connect(m_mksquashfs, &MkSquashFSProcess::finished, this, [=](bool result) {
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// 如果是取消了操作，则不再发送其它信息
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if (m_bCancel)
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return ;
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if (result && !m_isForce) {
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// 开始备份
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doBackup();
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} else {
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m_isFinished = true;
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emit checkResult(int(BackupResult::MKSQUASHFS_DO_FAIL));
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}
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});
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Utils::mkpath(m_imgPath);
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QString srcPath = Utils::getSysRootPath();
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srcPath += "/";
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srcPath.replace("//", "/");
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QString dstImg = m_imgPath + "/" + UDISK_MKSQUASHFS_IMG_NAME;
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QStringList args;
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args << srcPath << dstImg;
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args.append(getRsyncArgs(UDiskSystemBackupScene::MKSQUASHFS));
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if (m_mksquashfs->start(args)) {
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emit checkResult(int(BackupResult::MKSQUASHFS_START_SUCCESS));
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} else {
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emit checkResult(int(BackupResult::MKSQUASHFS_DO_FAIL));
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}
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qDebug() << "UDiskSystemBackupProxy::doMksqushfs invoke end";
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}
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/**
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* @brief 备份
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*/
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void UDiskSystemBackupProxy::doBackup()
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{
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qDebug() << "UDiskSystemBackupProxy::doBackup invoke begin";
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// 准备
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if (!doPrepare())
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return ;
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// 启动备份efi, 修改为和其它目录统一备份，不再单独进行备份
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// if (!backupEfi()) {
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// emit checkResult(int(BackupResult::EFI_RSYNC_FAIL));
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// return ;
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// }
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if (m_imgPath.isEmpty()) {
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// 启动系统备份
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backupSystem();
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} else {
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// 备份img文件
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backupImg();
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}
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qDebug() << "UDiskSystemBackupProxy::doBackup invoke end";
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}
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/**
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* @brief 备份准备
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* @return true,准备成功；false，准备失败
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*/
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bool UDiskSystemBackupProxy::doPrepare()
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{
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qDebug() << "UDiskSystemBackupProxy::doPrepare invoke begin";
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m_bSuccess = false;
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// 1、设置当前备份的Uuid
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m_curUuid += Utils::createUuid();
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// 2、准备备份目录及文件
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m_destPath = m_backupWrapper.m_prefixDestPath + BACKUP_SNAPSHOTS_PATH + "/" + m_curUuid + "/data";
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m_destPath.replace("//", "/");
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if (!Utils::mkpath(m_destPath)) {
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qCritical() << QString("mkdir %1 failed !").arg(m_destPath) ;
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emit checkResult(int(BackupResult::WRITE_BACKUP_PATHS_TO_USER_FAILED));
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return false;
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}
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QString userFile = m_backupWrapper.m_prefixDestPath + BACKUP_SNAPSHOTS_PATH + "/" + m_curUuid + "/" + PATHS_USER_FILE;
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userFile.replace("//", "/");
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if (!Utils::writeFileByLines(userFile, m_backupWrapper.m_backupPaths)) {
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qCritical() << QString("create file %1 failed !").arg(userFile);
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emit checkResult(int(BackupResult::WRITE_BACKUP_PATHS_TO_USER_FAILED));
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return false;
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}
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QString excludeUserFile = m_backupWrapper.m_prefixDestPath + BACKUP_SNAPSHOTS_PATH + "/" + m_curUuid + "/" + EXCLUDE_PATHS_USER_FILE;
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excludeUserFile.replace("//", "/");
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if (!Utils::writeFileByLines(excludeUserFile, m_backupWrapper.m_backupExcludePaths)) {
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qCritical() << QString("create file %1 failed !").arg(excludeUserFile);
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emit checkResult(int(BackupResult::WRITE_BACKUP_PATHS_TO_USER_FAILED));
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return false;
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}
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// 3、记录/backup/snapshots/backuplist.xml文件
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if (!recordBackupPoint()) {
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qCritical() << "add or update item to backuplist.xml failed !";
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return false;
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}
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qDebug() << "UDiskSystemBackupProxy::doPrepare invoke end";
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return true;
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}
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/**
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* @brief 记录/backup/snapshots/backuplist.xml文件
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* @return true-成功；false-失败
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*/
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bool UDiskSystemBackupProxy::recordBackupPoint()
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{
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m_backupPoint.m_backupName = m_backupWrapper.m_backupName;
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m_backupPoint.m_uuid = m_curUuid;
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m_backupPoint.m_iPosition = m_backupWrapper.m_iPosition;
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m_backupPoint.m_type = m_backupWrapper.m_type;
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m_backupPoint.m_size = Utils::StringBySize(m_size);
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m_backupPoint.m_time = QDateTime::currentDateTime().toString("yy-MM-dd hh:mm:ss");
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m_backupPoint.m_state = BACKUP_PARSE_STATE_FAIL_STRTING;
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m_backupPoint.m_os = SystemInfo::m_os;
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m_backupPoint.m_arch = SystemInfo::m_arch;
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m_backupPoint.m_archdetect = SystemInfo::m_archDetect;
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QString xmlPath = m_backupWrapper.m_prefixDestPath + BACKUP_XML_PATH;
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xmlPath.replace("//", "/");
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ParseBackupList parse(xmlPath);
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if (m_backupWrapper.m_uuid.isEmpty() || !m_backupWrapper.m_bIncrement) {
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if (parse.addItem(m_backupPoint) != ParseBackupList::SUCCESS) {
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emit checkResult(int(BackupResult::WRITE_STORAGEINFO_ADD_ITEM_FAIL));
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return false;
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}
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} else {
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if (parse.updateItem(m_backupPoint) != ParseBackupList::SUCCESS) {
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emit checkResult(int(BackupResult::WRITE_STORAGEINFO_UPDATE_ITEM_FAIL));
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return false;
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}
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}
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return true;
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}
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/**
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* @brief 备份系统
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* @return true，启动备份成功；false，启动备份失败
|
||
*/
|
||
bool UDiskSystemBackupProxy::backupSystem()
|
||
{
|
||
qDebug() << "UDiskSystemBackupProxy::backupSystem invoke begin";
|
||
|
||
// 全量备份场景
|
||
QStringList args = getRsyncArgs(UDiskSystemBackupScene::SYSTEM_BACKUP);
|
||
|
||
// 拼接备份源路径和目标路径
|
||
QString srcPath = Utils::getSysRootPath();
|
||
srcPath += "/";
|
||
srcPath.replace("//", "/");
|
||
args << srcPath;
|
||
QString destPath = m_destPath + "/";
|
||
destPath.replace("//", "/");
|
||
args << destPath;
|
||
|
||
return backup(args);
|
||
}
|
||
|
||
/**
|
||
* @brief 备份系统img文件
|
||
* @return true，启动备份成功；false，启动备份失败
|
||
*/
|
||
bool UDiskSystemBackupProxy::backupImg()
|
||
{
|
||
qDebug() << "UDiskSystemBackupProxy::backupImg invoke";
|
||
|
||
QStringList args;
|
||
QString srcPath = m_imgPath + "/" + UDISK_MKSQUASHFS_IMG_NAME;
|
||
QString destPath = m_destPath + "/";
|
||
destPath.replace("//", "/");
|
||
args << srcPath << destPath;
|
||
|
||
return backup(args);
|
||
}
|
||
|
||
/**
|
||
* @brief 备份公共逻辑
|
||
* @param args
|
||
* @return true，启动备份成功；false，启动备份失败
|
||
*/
|
||
bool UDiskSystemBackupProxy::backup(const QStringList &args)
|
||
{
|
||
qDebug() << "UDiskSystemBackupProxy::backup invoke begin";
|
||
|
||
m_p = new RsyncPathToDirProcess(this);
|
||
connect(m_p, &RsyncPathToDirProcess::progress, this, &UDiskSystemBackupProxy::progress);
|
||
connect(m_p, &RsyncPathToDirProcess::finished, this, [&](bool result) {
|
||
// 如果是取消了操作，则不再发送其它信息
|
||
if (m_bCancel)
|
||
return ;
|
||
|
||
m_isForce = false;
|
||
m_isFinished = true;
|
||
if (result) {
|
||
m_backupPoint.m_state = BACKUP_PARSE_STATE_SUCCESS_STRTING;
|
||
m_backupPoint.m_size = Utils::StringBySize(Utils::getDirOrFileSize(m_destPath));
|
||
QString xmlPath = m_backupWrapper.m_prefixDestPath + BACKUP_XML_PATH;
|
||
xmlPath.replace("//", "/");
|
||
ParseBackupList parse(xmlPath);
|
||
if (ParseBackupList::ParseResult::SUCCESS != parse.updateItem(m_backupPoint)) {
|
||
qCritical() << "update backuplist.xml error in sendBackupResult";
|
||
result = false;
|
||
} else {
|
||
// Utils::writeBackupLog(time + "," + m_curUuid + "," + QString::number(m_backupWrapper.m_type) + ","+ m_backupWrapper.m_note + "," + m_backupPoint.m_size+ "," + QString::number(m_backupWrapper.m_frontUid));
|
||
Utils::writeBackupLog(m_backupPoint.m_time + ","
|
||
+ m_curUuid + "," + QString::number(m_backupWrapper.m_type) + ","
|
||
+ m_backupWrapper.m_note + "," + m_backupPoint.m_size
|
||
+ ",," + m_backupWrapper.m_backupName);
|
||
|
||
Utils::update_backup_unique_settings(m_curUuid, m_backupPoint.m_backupName);
|
||
m_bSuccess = true;
|
||
}
|
||
}
|
||
emit this->workResult(result);
|
||
});
|
||
m_p->start(args, false);
|
||
emit checkResult(int(BackupResult::BACKUP_START_SUCCESS));
|
||
|
||
do_kylin_security(m_destPath);
|
||
|
||
qDebug() << "UDiskSystemBackupProxy::backup invoke end";
|
||
return true;
|
||
}
|
||
|
||
void UDiskSystemBackupProxy::do_kylin_security(const QString& dstDir)
|
||
{
|
||
int ret = 0;
|
||
ret = kysec_getstatus();
|
||
if (ret > 0) {
|
||
QString seFilePath(dstDir + "/.exectl");
|
||
QFile file(seFilePath);
|
||
file.open(QIODevice::WriteOnly);
|
||
file.close();
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @brief 校验移动盘是否还在
|
||
* @return: bool,存在返回true；不存在返回false
|
||
* @author: zhaominyong
|
||
* @since: 2021/05/24
|
||
* @note:
|
||
* add by zhaominyong at 2021/05/24 for bug:54377 【备份还原】备份数据到U盘的过程中拔出U盘，备份还原工具仍然一直显示正在备份数据
|
||
*/
|
||
bool UDiskSystemBackupProxy::checkDestDirExists()
|
||
{
|
||
if (!m_isFinished)
|
||
{
|
||
// 拔掉U盘后，没有响应的场景（怀疑可能是某应用程序关闭引起，希望不是dbus服务关掉了）
|
||
if (m_isForce) {
|
||
emit this->workResult(false);
|
||
return false;
|
||
}
|
||
|
||
if (Utils::isDirEmpty(m_backupWrapper.m_prefixDestPath)) {
|
||
qCritical() << QString("dstDir %s is not exist!").arg(m_backupWrapper.m_prefixDestPath);
|
||
m_isForce = true;
|
||
if (m_calc != nullptr)
|
||
m_calc->stop();
|
||
if (m_mksquashfs != nullptr)
|
||
m_mksquashfs->stop();
|
||
if (m_p != nullptr)
|
||
m_p->stop();
|
||
// 10s钟后如果还没有退出，则强制退出
|
||
QTimer::singleShot(10*1000, this, &UDiskSystemBackupProxy::checkDestDirExists);
|
||
} else {
|
||
QTimer::singleShot(1*1000, this, &UDiskSystemBackupProxy::checkDestDirExists);
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
|
||
|