yhkylin-backup-tools/backup-daemon/datarestoreproxy.cpp

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#include "datarestoreproxy.h"
#include <QDateTime>
#include <QDir>
#include <QDebug>
#include <unistd.h>
#include <sys/reboot.h>
#include "../common/utils.h"
#include "mymountproxy.h"
#include "parsebackuplist.h"
IMPLEMENT_DYNCREATE(DataRestoreProxy)
/**
* @brief 构造函数
*/
DataRestoreProxy::DataRestoreProxy()
{
m_bSuccess = false;
m_p = nullptr;
}
/**
* @brief 析构函数
*/
DataRestoreProxy::~DataRestoreProxy()
{
delete m_p;
}
/**
* @brief 环境检测
* @return false,检测失败;true,检测成功
*/
bool DataRestoreProxy::checkEnvEx()
{
qDebug() << "DataRestoreProxy::checkEnvEx invoke begin";
if (m_backupWrapper.m_iPosition == BackupPosition::CUSTOMIZE)
m_prePath = m_backupWrapper.m_prefixDestPath;
else
m_prePath = Utils::getSysRootPath();
// 1、检测.user.txt是否存在
m_userFile = m_prePath + BACKUP_SNAPSHOTS_PATH + "/" + m_backupWrapper.m_uuid + "/" + PATHS_USER_FILE;
m_userFile.replace("//", "/");
if (!Utils::filsExists(m_userFile)) {
qCritical(".user.txt文件不存在");
emit checkResult(int(BackupResult::WRITE_BACKUP_PATHS_TO_USER_FAILED));
return false;
}
// 2、检测.exclude.user.txt是否存在
m_excludeUserFile = m_prePath + BACKUP_SNAPSHOTS_PATH + "/" + m_backupWrapper.m_uuid + "/" + EXCLUDE_PATHS_USER_FILE;
m_excludeUserFile.replace("//", "/");
if (!Utils::filsExists(m_excludeUserFile)) {
qCritical(".exclude.user.txt文件不存在");
emit checkResult(int(BackupResult::WRITE_EXCLUDE_BACKUP_PATHS_TO_USER_FAILED));
return false;
}
// 3、检测还原点是否存在
m_backupPath = m_prePath + BACKUP_SNAPSHOTS_PATH + "/" + m_backupWrapper.m_uuid + "/data";
m_backupPath.replace("//", "/");
if (Utils::isDirEmpty(m_backupPath)) {
qCritical("还原点{uuid}/data目录不存在");
emit checkResult(int(BackupResult::INC_NOT_FOUND_DIR));
return false;
}
// 4、检测xml中的还原点是否还存在
QString xmlPath = Utils::getSysRootPath() + BACKUP_XML_PATH;
xmlPath.replace("//", "/");
ParseBackupList parse(xmlPath);
m_backupPoint = parse.findBackupPointByUuid(m_backupWrapper.m_uuid);
if (m_backupPoint.m_uuid.isEmpty()) {
qCritical("xml中还原点不存在");
emit checkResult(int(BackupResult::INC_NOT_FOUND_DIR));
return false;
}
emit checkResult(int(BackupResult::CHECK_ENV_SUCCESS));
qDebug() << "DataRestoreProxy::checkEnvEx invoke end";
return true;
}
/**
* @brief 执行还原逻辑
*/
void DataRestoreProxy::doWorkEx()
{
qDebug() << "DataRestoreProxy::doWorkEx invoke begin";
// 1、校验
if (!checkEnvEx())
return ;
// 2、还原数据
restoreData();
qDebug() << "DataRestoreProxy::doWorkEx invoke end";
}
/**
* @brief 根据场景获取rsync命令参数
* @param scene场景
* @return 组装好的rsync的参数信息
*/
QStringList DataRestoreProxy::getRsyncArgs(DataRestoreScene scene)
{
QStringList args;
args << "-avAHXr";
args << "--info=progress2";
args << "--no-inc-recursive";
args << "--ignore-missing-args";
args << "--delete";
switch (scene) {
case DataRestoreScene::DATA_RESTORE :
args << "--files-from" << m_userFile;
break ;
default:
return args;
}
return args;
}
/**
* @brief 数据还原
*/
void DataRestoreProxy::restoreData()
{
QStringList args = getRsyncArgs(DataRestoreScene::DATA_RESTORE);
m_srcPath = m_backupPath;
QString destPath = Utils::getSysRootPath();
destPath.replace("//", "/");
args << m_srcPath + "/";
args << destPath + "/";
m_p = new RsyncPathToDirProcess(this);
connect(m_p, &RsyncPathToDirProcess::progress, this, &DataRestoreProxy::progress);
connect(m_p, &RsyncPathToDirProcess::finished, this, [&](bool result) {
if (result) {
QString time = QDateTime::currentDateTime().toString("yy-MM-dd hh:mm:ss");
Utils::writeBackupLog(time + "," + m_backupWrapper.m_uuid + "," + QString::number(m_backupWrapper.m_type) + ",,," + QString::number(m_backupWrapper.m_frontUid)+ "," + m_backupPoint.m_backupName);
}
emit this->workResult(result);
});
m_p->start(args, false);
}