522 lines
16 KiB
C++
Executable File
522 lines
16 KiB
C++
Executable File
#include "systembackupproxy.h"
|
||
#include <QStorageInfo>
|
||
#include <QDateTime>
|
||
#include <QDebug>
|
||
#include "../common/utils.h"
|
||
#include "../common/mydusizetool.h"
|
||
#include "mymountproxy.h"
|
||
#include "myprocess/calcbackupsize.h"
|
||
|
||
IMPLEMENT_DYNCREATE(SystemBackupProxy)
|
||
|
||
SystemBackupProxy::SystemBackupProxy()
|
||
{
|
||
m_bSuccess = false;
|
||
m_isFinished = false;
|
||
m_p = nullptr;
|
||
m_size = 0;
|
||
m_isOnlyCheck = true;
|
||
m_calc = new CalcBackupSize(this);
|
||
|
||
connect(this, &SystemBackupProxy::cancel, this, &SystemBackupProxy::cancelEx);
|
||
}
|
||
|
||
SystemBackupProxy::~SystemBackupProxy()
|
||
{
|
||
delete m_p;
|
||
m_p = nullptr;
|
||
|
||
delete m_calc;
|
||
m_calc = nullptr;
|
||
}
|
||
|
||
/**
|
||
* @brief 环境检测
|
||
* @return
|
||
*/
|
||
bool SystemBackupProxy::checkEnvEx()
|
||
{
|
||
qDebug() << "SystemBackupProxy::checkEnv invoke begin";
|
||
|
||
// 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
|
||
MyMountProxy mountProxy;
|
||
if ( MountResult::MOUNTED != mountProxy.mountBackupPartition() ) {
|
||
emit checkResult(int(BackupResult::BACKUP_PARTITION_MOUNT_FAIL));
|
||
return false;
|
||
}
|
||
|
||
// 2、判断备份是否增量备份
|
||
isIncBackup();
|
||
|
||
// 3、检测空间是否满足备份
|
||
calcSizeForBackup();
|
||
|
||
qDebug() << "SystemBackupProxy::checkEnv invoke end";
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* @brief 执行备份逻辑
|
||
*/
|
||
void SystemBackupProxy::doWorkEx()
|
||
{
|
||
qDebug() << "SystemBackupProxy::doWorkEx invoke begin";
|
||
|
||
m_isOnlyCheck = false;
|
||
// 环境检测
|
||
checkEnvEx();
|
||
|
||
qDebug() << "SystemBackupProxy::doWorkEx invoke end";
|
||
}
|
||
|
||
/**
|
||
* @brief 取消操作
|
||
*/
|
||
void SystemBackupProxy::cancelEx()
|
||
{
|
||
m_bCancel = true;
|
||
if (!m_isFinished) {
|
||
emit this->checkResult(int(BackupResult::START_CANCEL));
|
||
|
||
if (m_calc)
|
||
m_calc->stop();
|
||
if (m_p)
|
||
m_p->stop();
|
||
|
||
QProcess::execute("sync");
|
||
Utils::wait(5);
|
||
deleteFailedData();
|
||
emit this->checkResult(int(BackupResult::CANCEL_SUCCESS));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* @brief 失败则删除相应数据
|
||
*/
|
||
void SystemBackupProxy::deleteFailedData()
|
||
{
|
||
if (m_curUuid.isEmpty())
|
||
return;
|
||
|
||
// 1、删除备份目录
|
||
QString destPath = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH + "/" + m_curUuid;
|
||
destPath.replace("//", "/");
|
||
QStringList args;
|
||
args << "-rf";
|
||
args << destPath;
|
||
QProcess::execute("rm", args);
|
||
|
||
// 2、删除xml文件中的备份项
|
||
QString xmlPath = Utils::getSysRootPath() + BACKUP_XML_PATH;
|
||
xmlPath.replace("//", "/");
|
||
ParseBackupList parse(xmlPath);
|
||
parse.deleteItem(m_curUuid);
|
||
}
|
||
|
||
/**
|
||
* @brief 判断是否增量备份
|
||
* @return true,增量备份； false，全量备份
|
||
*/
|
||
bool SystemBackupProxy::isIncBackup()
|
||
{
|
||
QString backupPath;
|
||
if (m_backupWrapper.m_uuid.isEmpty()) {
|
||
QString xmlPath(Utils::getSysRootPath() + BACKUP_XML_PATH);
|
||
xmlPath.replace("//", "/");
|
||
ParseBackupList parser(xmlPath);
|
||
ParseBackupList::BackupPoint point;
|
||
point = parser.getLastSysBackupPoint();
|
||
if (point.m_uuid.isEmpty())
|
||
return false;
|
||
backupPath = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH + "/" + point.m_uuid + "/data";
|
||
backupPath.replace("//", "/");
|
||
if (Utils::isDirExist(backupPath)) {
|
||
m_backupWrapper.m_baseUuid = point.m_uuid;
|
||
m_backupWrapper.m_bIncrement = true;
|
||
m_backupWrapper.m_type = BackupType::INC_BACKUP_SYSTEM;
|
||
return true;
|
||
}
|
||
} else {
|
||
QString xmlPath = Utils::getSysRootPath() + BACKUP_XML_PATH;
|
||
xmlPath.replace("//", "/");
|
||
ParseBackupList parse(xmlPath);
|
||
m_backupPoint = parse.findBackupPointByUuid(m_backupWrapper.m_uuid);
|
||
backupPath = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH + "/" + m_backupWrapper.m_uuid + "/data";
|
||
backupPath.replace("//", "/");
|
||
if (!m_backupPoint.m_backupName.isEmpty()) {
|
||
m_backupWrapper.m_bIncrement = true;
|
||
m_backupWrapper.m_type = BackupType::INC_BACKUP_SYSTEM;
|
||
return true;
|
||
}
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* @brief 校验剩余空间是否满足备份
|
||
*/
|
||
void SystemBackupProxy::checkFreeCapacity(qint64 itotalSize)
|
||
{
|
||
qDebug() << "SystemBackupProxy::checkFreeCapacity invoke begin";
|
||
|
||
// 如果是取消了操作，则不再发送其它信息
|
||
if (m_bCancel)
|
||
return ;
|
||
|
||
// 1、计算待备份数据的大小
|
||
m_size = itotalSize;
|
||
// 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
|
||
itotalSize += 500 * MB;
|
||
|
||
// 2、计算备份分区剩余空间大小
|
||
QString backupPath(Utils::getSysRootPath() + BACKUP_PATH);
|
||
backupPath.replace("//", "/");
|
||
QStorageInfo backupDisk(backupPath);
|
||
qint64 freeSize = backupDisk.bytesAvailable();
|
||
qDebug() << "需要空间" << itotalSize << ", 剩余空间" << freeSize;
|
||
|
||
// 3、校验空间是否足够
|
||
if (itotalSize > freeSize) {
|
||
emit checkResult(int(BackupResult::BACKUP_CAPACITY_IS_NOT_ENOUGH));
|
||
return ;
|
||
} else {
|
||
emit checkResult(int(BackupResult::CHECK_ENV_SUCCESS));
|
||
}
|
||
|
||
// 仅仅校验，不进行备份
|
||
if (m_isOnlyCheck)
|
||
return ;
|
||
|
||
// 4、开始备份
|
||
doBackup();
|
||
|
||
qDebug() << "SystemBackupProxy::checkFreeCapacity invoke end";
|
||
}
|
||
|
||
/**
|
||
* @brief 计算备份所需空间大小
|
||
* @return
|
||
*/
|
||
void SystemBackupProxy::calcSizeForBackup()
|
||
{
|
||
QString destPath = Utils::getSysRootPath();
|
||
|
||
QStringList args;
|
||
if (m_backupWrapper.m_bIncrement) {
|
||
if (m_backupWrapper.m_uuid.isEmpty()) {
|
||
// 新增增量备份点场景
|
||
args = getRsyncArgs(SystemBackupScene::TRY_INC_SYSTEM_BACKUP);
|
||
destPath += CHECK_PATH;
|
||
} else {
|
||
// 在原来的备份点上增量备份场景
|
||
args = getRsyncArgs(SystemBackupScene::TRY_INC_SYSTEM_BACKUP_AT_BASE);
|
||
destPath += BACKUP_SNAPSHOTS_PATH;
|
||
destPath += "/";
|
||
destPath += m_backupWrapper.m_uuid;
|
||
destPath += "/data/";
|
||
}
|
||
} else {
|
||
// 全量备份场景
|
||
args = getRsyncArgs(SystemBackupScene::TRY_SYSTEM_BACKUP);
|
||
destPath += CHECK_PATH;
|
||
}
|
||
|
||
// 拼接备份源路径和目标路径
|
||
QString srcPath = Utils::getSysRootPath();
|
||
srcPath += "/";
|
||
srcPath.replace("//", "/");
|
||
args << srcPath;
|
||
destPath.replace("//", "/");
|
||
args << destPath;
|
||
Utils::mkpath(destPath);
|
||
|
||
connect(m_calc, &CalcBackupSize::finished, this, &SystemBackupProxy::checkFreeCapacity);
|
||
m_calc->start(args, false);
|
||
}
|
||
|
||
/**
|
||
* @brief 根据场景获取rsync命令参数
|
||
* @param scene，场景
|
||
* @return rsync的参数信息
|
||
*/
|
||
QStringList SystemBackupProxy::getRsyncArgs(SystemBackupScene scene)
|
||
{
|
||
QStringList args;
|
||
|
||
switch (scene) {
|
||
case SystemBackupScene::SYSTEM_BACKUP :
|
||
args << "-avAHXr";
|
||
args << "--info=progress2";
|
||
args << "--no-inc-recursive";
|
||
args << "--ignore-missing-args";
|
||
args << "--delete";
|
||
break ;
|
||
case SystemBackupScene::INC_SYSTEM_BACKUP :
|
||
args << "-avAXr";
|
||
args << "--info=progress2";
|
||
args << "--no-inc-recursive";
|
||
args << "--ignore-missing-args";
|
||
args << QString("--link-dest=../../%1/data").arg(m_backupWrapper.m_baseUuid);
|
||
break ;
|
||
case SystemBackupScene::INC_SYSTEM_BACKUP_AT_BASE :
|
||
args << "-avAHXr";
|
||
args << "--info=progress2";
|
||
args << "--no-inc-recursive";
|
||
args << "--ignore-missing-args";
|
||
args << "--delete";
|
||
break ;
|
||
case SystemBackupScene::TRY_SYSTEM_BACKUP :
|
||
args << "-aAHXrn";
|
||
args << "--stats";
|
||
args << "--ignore-missing-args";
|
||
break ;
|
||
case SystemBackupScene::TRY_INC_SYSTEM_BACKUP :
|
||
args << "-aAXrn";
|
||
args << "--stats";
|
||
args << "--ignore-missing-args";
|
||
args << QString("--link-dest=../../%1/data").arg(m_backupWrapper.m_baseUuid);
|
||
break ;
|
||
case SystemBackupScene::TRY_INC_SYSTEM_BACKUP_AT_BASE :
|
||
args << "-aAHXrn";
|
||
args << "--stats";
|
||
args << "--ignore-missing-args";
|
||
args << "--delete";
|
||
break ;
|
||
case SystemBackupScene::EFI_BACKUP :
|
||
args << "-avAHXr";
|
||
args << "--info=progress2";
|
||
args << "--ignore-missing-args";
|
||
break ;
|
||
default:
|
||
return args;
|
||
}
|
||
|
||
if (SystemBackupScene::EFI_BACKUP != scene) {
|
||
// --exclude=排除路径设置
|
||
for (const QString & item : m_backupWrapper.m_backupExcludePaths) {
|
||
args << QString("--exclude=%1").arg(item);
|
||
}
|
||
}
|
||
|
||
// 系统更新备份不再备份用户数据目录
|
||
if (AUTO_BACKUP_UUID == m_curUuid) {
|
||
if (Utils::isHuawei990()) {
|
||
args << "--exclude=/data";
|
||
} else {
|
||
args << "--exclude=/data/usershare";
|
||
}
|
||
args << "--exclude=/home";
|
||
args << "--exclude=/data/home";
|
||
args << "--exclude=/root";
|
||
args << "--exclude=/data/root";
|
||
}
|
||
|
||
return args;
|
||
}
|
||
|
||
/**
|
||
* @brief 备份
|
||
*/
|
||
void SystemBackupProxy::doBackup()
|
||
{
|
||
qDebug() << "SystemBackupProxy::doBackup invoke begin";
|
||
|
||
// 准备
|
||
if (!doPrepare())
|
||
return ;
|
||
|
||
// 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
|
||
// if (!backupEfi()) {
|
||
// emit checkResult(int(BackupResult::EFI_RSYNC_FAIL));
|
||
// return ;
|
||
// }
|
||
|
||
// 启动系统备份
|
||
backupSystem();
|
||
|
||
qDebug() << "SystemBackupProxy::doBackup invoke end";
|
||
}
|
||
|
||
/**
|
||
* @brief 备份准备
|
||
* @return true,准备成功；false，准备失败
|
||
*/
|
||
bool SystemBackupProxy::doPrepare()
|
||
{
|
||
qDebug() << "SystemBackupProxy::doPrepare invoke begin";
|
||
|
||
m_bSuccess = false;
|
||
|
||
// 1、设置当前备份的Uuid
|
||
if (m_backupWrapper.m_uuid.isEmpty()) {
|
||
// 新增备份点，不指定uuid的场景
|
||
m_curUuid += Utils::createUuid();
|
||
} else {
|
||
// 指定uuid备份的场景
|
||
m_curUuid = m_backupWrapper.m_uuid;
|
||
}
|
||
|
||
// 2、准备备份目录及文件
|
||
m_destPath = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH + "/" + m_curUuid + "/data";
|
||
m_destPath.replace("//", "/");
|
||
if (!Utils::mkpath(m_destPath)) {
|
||
emit checkResult(int(BackupResult::WRITE_BACKUP_PATHS_TO_USER_FAILED));
|
||
qCritical() << QString("mkdir %1 failed !").arg(m_destPath) ;
|
||
return false;
|
||
}
|
||
|
||
QString userFile = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH + "/" + m_curUuid + "/" + PATHS_USER_FILE;
|
||
userFile.replace("//", "/");
|
||
if (!Utils::writeFileByLines(userFile, m_backupWrapper.m_backupPaths)) {
|
||
emit checkResult(int(BackupResult::WRITE_BACKUP_PATHS_TO_USER_FAILED));
|
||
qCritical() << QString("create file %1 failed !").arg(userFile);
|
||
return false;
|
||
}
|
||
|
||
QString excludeUserFile = Utils::getSysRootPath() + BACKUP_SNAPSHOTS_PATH + "/" + m_curUuid + "/" + EXCLUDE_PATHS_USER_FILE;
|
||
excludeUserFile.replace("//", "/");
|
||
if (!Utils::writeFileByLines(excludeUserFile, m_backupWrapper.m_backupExcludePaths)) {
|
||
emit checkResult(int(BackupResult::WRITE_BACKUP_PATHS_TO_USER_FAILED));
|
||
qCritical() << QString("create file %1 failed !").arg(excludeUserFile);
|
||
return false;
|
||
}
|
||
|
||
// 3、记录/backup/snapshots/backuplist.xml文件
|
||
if (!recordBackupPoint()) {
|
||
qCritical() << "add or update item to backuplist.xml failed !";
|
||
return false;
|
||
}
|
||
|
||
qDebug() << "SystemBackupProxy::doPrepare invoke end";
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* @brief 记录/backup/snapshots/backuplist.xml文件
|
||
* @return true-成功；false-失败
|
||
*/
|
||
bool SystemBackupProxy::recordBackupPoint()
|
||
{
|
||
m_backupPoint.m_backupName = m_backupWrapper.m_backupName;
|
||
m_backupPoint.m_uuid = m_curUuid;
|
||
m_backupPoint.m_iPosition = m_backupWrapper.m_iPosition;
|
||
m_backupPoint.m_type = m_backupWrapper.m_type;
|
||
m_backupPoint.m_size = Utils::StringBySize(m_size);
|
||
m_backupPoint.m_time = QDateTime::currentDateTime().toString("yy-MM-dd hh:mm:ss");
|
||
m_backupPoint.m_state = BACKUP_PARSE_STATE_FAIL_STRTING;
|
||
m_backupPoint.m_path = m_backupWrapper.m_prefixDestPath;
|
||
QString xmlPath = Utils::getSysRootPath() + BACKUP_XML_PATH;
|
||
xmlPath.replace("//", "/");
|
||
ParseBackupList parse(xmlPath);
|
||
if (m_backupWrapper.m_uuid.isEmpty() /*|| !m_backupWrapper.m_bIncrement*/) {
|
||
if (parse.addItem(m_backupPoint) != ParseBackupList::SUCCESS) {
|
||
emit checkResult(int(BackupResult::WRITE_STORAGEINFO_ADD_ITEM_FAIL));
|
||
return false;
|
||
}
|
||
} else {
|
||
if (parse.updateItem(m_backupPoint) != ParseBackupList::SUCCESS) {
|
||
emit checkResult(int(BackupResult::WRITE_STORAGEINFO_UPDATE_ITEM_FAIL));
|
||
return false;
|
||
}
|
||
}
|
||
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* @brief 备份/boot/efi
|
||
* @return true，备份成功；false，备份失败
|
||
*/
|
||
bool SystemBackupProxy::backupEfi()
|
||
{
|
||
qDebug() << "SystemBackupProxy::backupEfi invoke begin";
|
||
|
||
// /boot/efi分区是自动挂载的，这里不用去挂载
|
||
QString efiPath = Utils::getSysRootPath() + "/boot/efi";
|
||
efiPath.replace("//", "/");
|
||
|
||
QStringList args;
|
||
if (Utils::isDirExist(efiPath)) {
|
||
args = getRsyncArgs(SystemBackupScene::EFI_BACKUP);
|
||
}
|
||
|
||
args << efiPath;
|
||
QString destPath = m_destPath + "/boot/efi";
|
||
destPath.replace("//", "/");
|
||
Utils::mkpath(destPath);
|
||
args << destPath;
|
||
|
||
m_p = new RsyncPathToDirProcess(this);
|
||
bool result = m_p->start(args);
|
||
delete m_p;
|
||
m_p = nullptr;
|
||
|
||
qDebug() << "SystemBackupProxy::backupEfi invoke end";
|
||
return result;
|
||
}
|
||
|
||
/**
|
||
* @brief 备份系统
|
||
* @return true，备份成功；false，备份失败
|
||
*/
|
||
bool SystemBackupProxy::backupSystem()
|
||
{
|
||
qDebug() << "SystemBackupProxy::backupSystem invoke begin";
|
||
|
||
QStringList args;
|
||
if (m_backupWrapper.m_bIncrement) {
|
||
if (m_backupWrapper.m_uuid.isEmpty()) {
|
||
// 新增增量备份点场景
|
||
args = getRsyncArgs(SystemBackupScene::INC_SYSTEM_BACKUP);
|
||
} else {
|
||
// 在原来的备份点上增量备份场景
|
||
args = getRsyncArgs(SystemBackupScene::INC_SYSTEM_BACKUP_AT_BASE);
|
||
}
|
||
} else {
|
||
// 全量备份场景
|
||
args = getRsyncArgs(SystemBackupScene::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;
|
||
|
||
m_p = new RsyncPathToDirProcess(this);
|
||
connect(m_p, &RsyncPathToDirProcess::progress, this, &SystemBackupProxy::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_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 = Utils::getSysRootPath() + BACKUP_XML_PATH;
|
||
xmlPath.replace("//", "/");
|
||
ParseBackupList parse(xmlPath);
|
||
parse.updateItem(m_backupPoint);
|
||
|
||
// 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);
|
||
|
||
qDebug() << "SystemBackupProxy::backupSystem invoke end";
|
||
return true;
|
||
}
|
||
|