423 lines
16 KiB
C++
423 lines
16 KiB
C++
#include "dir-watcher.h"
|
||
|
||
#include <QDebug>
|
||
#include <QDir>
|
||
#include <QDBusConnection>
|
||
#include <QDBusArgument>
|
||
#include <QThread>
|
||
#include <fstab.h>
|
||
#include <QMutexLocker>
|
||
|
||
#define CURRENT_INDEXABLE_DIR_SETTINGS QDir::homePath() + "/.config/org.ukui/ukui-search/ukui-search-current-indexable-dir.conf"
|
||
#define INDEXABLE_DIR_VALUE "IndexableDir"
|
||
|
||
static std::once_flag flag;
|
||
static DirWatcher *global_intance = nullptr;
|
||
QMutex DirWatcher::s_mutex;
|
||
|
||
DirWatcher::DirWatcher(QObject *parent) : QObject(parent)
|
||
{
|
||
m_qSettings = new QSettings(CURRENT_INDEXABLE_DIR_SETTINGS, QSettings::IniFormat);
|
||
initData();
|
||
initDiskWatcher();
|
||
m_adaptor = new DirWatcherAdaptor(this);
|
||
}
|
||
|
||
DirWatcher::~DirWatcher()
|
||
{
|
||
if (m_volumeMonitor) {
|
||
g_signal_handler_disconnect(m_volumeMonitor, m_mountAddHandle);
|
||
g_signal_handler_disconnect(m_volumeMonitor, m_mountRemoveHandle);
|
||
m_volumeMonitor = nullptr;
|
||
}
|
||
if(m_qSettings){
|
||
delete m_qSettings;
|
||
}
|
||
}
|
||
|
||
DirWatcher *DirWatcher::getDirWatcher()
|
||
{
|
||
std::call_once(flag, [ & ] {
|
||
global_intance = new DirWatcher();
|
||
});
|
||
return global_intance;
|
||
}
|
||
|
||
void DirWatcher::initDbusService()
|
||
{
|
||
//注册服务
|
||
QDBusConnection sessionBus = QDBusConnection::sessionBus();
|
||
if (!sessionBus.registerService("com.ukui.search.fileindex.service")) {
|
||
qWarning() << "ukui-search-fileindex dbus register service failed reason:" << sessionBus.lastError();
|
||
}
|
||
|
||
if(!sessionBus.registerObject("/org/ukui/search/fileindex", this, QDBusConnection::ExportAdaptors)){
|
||
qWarning() << "ukui-search-fileindex dbus register object failed reason:" << sessionBus.lastError();
|
||
}
|
||
}
|
||
|
||
QStringList DirWatcher::currentindexableDir()
|
||
{
|
||
QMutexLocker locker(&s_mutex);
|
||
m_qSettings->beginGroup(INDEXABLE_DIR_VALUE);
|
||
m_indexableDirList = m_qSettings->value(INDEXABLE_DIR_VALUE).toStringList();
|
||
m_qSettings->endGroup();
|
||
QStringList indexableDirs = m_indexableDirList;
|
||
return indexableDirs;
|
||
}
|
||
|
||
QStringList DirWatcher::currentBlackListOfIndex()
|
||
{
|
||
QMutexLocker locker(&s_mutex);
|
||
QStringList blackListOfIndex = m_blackListOfIndex;
|
||
return blackListOfIndex;
|
||
}
|
||
|
||
void DirWatcher::handleIndexItemAppend(const QString &path, QStringList &blackList)
|
||
{
|
||
if (m_indexableDirList.contains(path)) {
|
||
qDebug() << QString("index path %1 is already added.").arg(path);
|
||
return;
|
||
}
|
||
m_indexableDirList << path;
|
||
m_qSettings->beginGroup(INDEXABLE_DIR_VALUE);
|
||
m_qSettings->setValue(INDEXABLE_DIR_VALUE, m_indexableDirList);
|
||
m_qSettings->endGroup();
|
||
Q_EMIT this->appendIndexItem(path, blackList);
|
||
qDebug() << "index path:" << path << "blacklist:" << blackList;
|
||
}
|
||
|
||
void DirWatcher::handleIndexItemRemove(const QString &path)
|
||
{
|
||
m_indexableDirList.removeAll(path);
|
||
m_qSettings->beginGroup(INDEXABLE_DIR_VALUE);
|
||
m_qSettings->setValue(INDEXABLE_DIR_VALUE, m_indexableDirList);
|
||
m_qSettings->endGroup();
|
||
}
|
||
|
||
/**
|
||
* @brief DirWatcher::blackListOfDir 根据传入目录返回当前目录下的所有不可搜索目录，没有则返回空列表
|
||
* @param dirPath 要搜索的目录
|
||
*/
|
||
QStringList DirWatcher::blackListOfDir(const QString &dirPath)
|
||
{
|
||
//new TODO: Optimize the search algorithm.
|
||
//There is no processing for the subvolumes.May be a bug.
|
||
QStringList blackListOfDir;
|
||
QMutexLocker locker(&s_mutex);
|
||
for (auto t = m_repeatedlyMountedDeviceInfo.constBegin(); t != m_repeatedlyMountedDeviceInfo.constEnd(); t++) {
|
||
QString topRepeatedMountPoint;
|
||
for (QString mountPoint: t.value()) {
|
||
if (mountPoint.startsWith(dirPath)) {
|
||
if (topRepeatedMountPoint.isEmpty()) {
|
||
topRepeatedMountPoint = mountPoint;
|
||
continue;
|
||
} else if (topRepeatedMountPoint.startsWith(mountPoint)) {
|
||
blackListOfDir.append(topRepeatedMountPoint);
|
||
topRepeatedMountPoint = mountPoint;
|
||
} else {
|
||
blackListOfDir.append(mountPoint);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
for (auto i = m_infoOfSubvolume.constBegin(); i != m_infoOfSubvolume.constEnd(); i++) {
|
||
QString mountPoint = i.value();
|
||
QString spec = i.key();
|
||
//排除搜索列表指定多个目录时子卷会重复包含的情况，比如同时指定/home和/data/home
|
||
QString tmp = dirPath;
|
||
if (dirPath.startsWith(mountPoint)) {
|
||
blackListOfDir.append(tmp.replace(0, mountPoint.length(), spec));
|
||
}
|
||
if (dirPath.startsWith(spec)) {
|
||
blackListOfDir.append(tmp.replace(0, spec.length(), mountPoint));
|
||
}
|
||
}
|
||
return blackListOfDir;
|
||
}
|
||
|
||
void DirWatcher::appendBlackListItemOfIndex(const QString &path)
|
||
{
|
||
QMutexLocker locker(&s_mutex);
|
||
m_blackListOfIndex.append(path);
|
||
m_blackListOfIndex = m_blackListOfIndex.toSet().toList();
|
||
}
|
||
|
||
void DirWatcher::appendBlackListItemOfIndex(const QStringList &pathList)
|
||
{
|
||
QMutexLocker locker(&s_mutex);
|
||
m_blackListOfIndex.append(pathList);
|
||
m_blackListOfIndex = m_blackListOfIndex.toSet().toList();
|
||
}
|
||
|
||
void DirWatcher::removeBlackListItemOfIndex(const QString &path)
|
||
{
|
||
QMutexLocker locker(&s_mutex);
|
||
m_blackListOfIndex.removeAll(path);
|
||
}
|
||
|
||
void DirWatcher::removeBlackListItemOfIndex(const QStringList &pathList)
|
||
{
|
||
QMutexLocker locker(&s_mutex);
|
||
for (QString path: pathList) {
|
||
m_blackListOfIndex.removeAll(path);
|
||
}
|
||
}
|
||
|
||
QStringList DirWatcher::currentSearchableDir()
|
||
{
|
||
QMutexLocker locker(&s_mutex);
|
||
return m_searchableDirList;
|
||
}
|
||
|
||
QStringList DirWatcher::searchableDirForSearchApplication()
|
||
{
|
||
QMutexLocker locker(&s_mutex);
|
||
return m_searchableListForApplication;
|
||
}
|
||
|
||
void DirWatcher::mountAddCallback(GVolumeMonitor *monitor, GMount *gmount, DirWatcher *pThis)
|
||
{
|
||
qDebug() << "Mount Added";
|
||
pThis->handleDisk();
|
||
}
|
||
|
||
void DirWatcher::mountRemoveCallback(GVolumeMonitor *monitor, GMount *gmount, DirWatcher *pThis)
|
||
{
|
||
qDebug() << "Mount Removed";
|
||
QMutexLocker locker(&s_mutex);
|
||
//处理u盘设备
|
||
if (pThis->m_removedUDiskDevice != NULL) {
|
||
pThis->m_currentUDiskDeviceInfo.remove(pThis->m_removedUDiskDevice);
|
||
qDebug() << "m_currentMountedDeviceInfo:" << pThis->m_currentMountedDeviceInfo;
|
||
qDebug() << "m_repeatedlyMountedDeviceInfo:" << pThis->m_repeatedlyMountedDeviceInfo;
|
||
qDebug() << "m_currentUDiskDeviceInfo:" << pThis->m_currentUDiskDeviceInfo;
|
||
qDebug() << "m_blackListOfIndex:" << pThis->m_blackListOfIndex;
|
||
pThis->m_removedUDiskDevice = "";
|
||
return;
|
||
}
|
||
|
||
GMount* mount = (GMount*)g_object_ref(gmount);
|
||
GFile* rootFile;
|
||
rootFile = g_mount_get_root(mount);
|
||
if (!rootFile) {
|
||
return;
|
||
}
|
||
QString mountPoint = g_file_get_uri(rootFile);
|
||
if (mountPoint.isEmpty()) {
|
||
return;
|
||
}
|
||
//处理uri转码,处理子卷情况
|
||
if (mountPoint.startsWith("file:///")) {
|
||
QString removedMountPoint = g_filename_from_uri(mountPoint.toUtf8().constData(), nullptr, nullptr);
|
||
pThis->m_blackListOfIndex.removeAll(removedMountPoint);
|
||
for (auto t = pThis->m_infoOfSubvolume.constBegin(); t != pThis->m_infoOfSubvolume.constEnd(); t++) {
|
||
if (removedMountPoint.startsWith(t.value())) {
|
||
pThis->m_blackListOfIndex.removeAll(removedMountPoint.replace(t.value(), t.key()));
|
||
}
|
||
if (removedMountPoint.startsWith(t.key())) {
|
||
pThis->m_blackListOfIndex.removeAll(removedMountPoint.replace(t.key(), t.value()));
|
||
}
|
||
}
|
||
qDebug() << "m_currentMountedDeviceInfo:" << pThis->m_currentMountedDeviceInfo;
|
||
qDebug() << "m_repeatedlyMountedDeviceInfo:" << pThis->m_repeatedlyMountedDeviceInfo;
|
||
qDebug() << "m_currentUDiskDeviceInfo:" << pThis->m_currentUDiskDeviceInfo;
|
||
qDebug() << "m_blackListOfIndex:" << pThis->m_blackListOfIndex;
|
||
} else {
|
||
qWarning() << "There's someting wrong with the MountPoint!";
|
||
}
|
||
g_object_unref(rootFile);
|
||
}
|
||
|
||
void DirWatcher::appendIndexableListItem(const QString &path)
|
||
{
|
||
QFile file(path);
|
||
if (!file.exists()) {
|
||
qWarning() << QString("target path:%1 is not exists!").arg(path);
|
||
return;
|
||
}
|
||
if (path == "/") {
|
||
this->currentindexableDir();
|
||
this->handleIndexItemAppend(path, m_blackListOfIndex);
|
||
return;
|
||
}
|
||
|
||
QStringList blackList = this->blackListOfDir(path);
|
||
//处理要添加索引的路径与索引黑名单中路径为父子关系的情况
|
||
for (const QString& blackListPath : m_blackListOfIndex) {
|
||
if (path.startsWith(blackListPath + "/")) {
|
||
return;
|
||
}
|
||
if (blackListPath.startsWith(path + "/")) {
|
||
blackList.append(blackListPath);
|
||
}
|
||
}
|
||
|
||
this->currentindexableDir();
|
||
qDebug() << "m_indexableDirList:" << m_indexableDirList;
|
||
//处理要添加索引的路径与已索引路径为父子关系的情况
|
||
for (int i = 0; i < m_indexableDirList.length(); i++) {
|
||
const QString indexablePath = m_indexableDirList.at(i);
|
||
if (path.startsWith(indexablePath + "/")) {
|
||
qDebug() << "return in:" << __FILE__ << ":" << __LINE__;
|
||
return;
|
||
}
|
||
if (blackList.contains(indexablePath)) {
|
||
qDebug() << "return in:" << __FILE__ << ":" << __LINE__;
|
||
return;
|
||
}
|
||
if (indexablePath.startsWith(path + "/")) {
|
||
m_indexableDirList.removeAll(indexablePath);
|
||
blackList.append(indexablePath);
|
||
}
|
||
}
|
||
this->handleIndexItemAppend(path, blackList);
|
||
}
|
||
|
||
void DirWatcher::removeIndexableListItem(const QString &path)
|
||
{
|
||
this->currentindexableDir();
|
||
this->handleIndexItemRemove(path);
|
||
Q_EMIT this->removeIndexItem(path);
|
||
}
|
||
|
||
void DirWatcher::initData()
|
||
{
|
||
//适配需求，可索引目录为用户指定。
|
||
// m_indexableDirList << "/data" << QDir::homePath();
|
||
/* boot里面存放Linux核心文件，开机选单与开机所需配置文件等
|
||
* backup里面是系统备份文件
|
||
* bin放置的是在单人维护模式下还能够被操作的指令，在bin底下的指令可以被root与一般账号所使用。
|
||
* dev里面存放设备文件
|
||
* etc里面存放了几乎所有的系统主要配置文件，包括人员的账号密码文件，各种服务的起始档等
|
||
* lib放置最基本的共享库和内核模块，lib32，lib64，libx32分别面向32位，64位以及x32 ABI。他们都分别连接到usr下的lib*中
|
||
* media一般放置可移除的装置，包括软盘，光盘和一些移动存储设备都自动挂载到这里
|
||
* mnt原本和media用途相同，现用来放置暂时挂载一些额外装置
|
||
* usr是Unix操作系统软件资源所放置的目录,所有系统默认的软件(distribution发布者提供的软件)都会放置到usr底下
|
||
* var目录主要针对常态性变动的文件，包括缓存(cache)、登录档(log file)以及某些软件运作所产生的文件，包括程序文件(lock file, run file)，或者如MySQL数据库的文件等
|
||
*/
|
||
m_blackListOfIndex << "/boot" << "backup" << "bin" << "/dev" << "/etc" << "/usr" << "/var"
|
||
<< "/lib" << "lib32" << "lib64" << "libx32" << "/media" << "/mnt" << "cdrom"
|
||
<< "/sys" << "/proc" << "tmp" << "/srv" << "/sbin" << "/run" << "/opt";
|
||
|
||
//目前方案：可搜索目录（服务）默认根目录，可搜索目录（应用）默认家目录和/data目录
|
||
m_searchableListForApplication << "/data" << QDir::homePath();
|
||
m_searchableDirList << "/";
|
||
|
||
//init auto mounted device list
|
||
setfsent();
|
||
while (1) {
|
||
fstab *myFstab = getfsent();
|
||
if (!myFstab) {
|
||
endfsent();
|
||
break;
|
||
}
|
||
QString automaticMountPoint = myFstab->fs_file;
|
||
QString spec = myFstab->fs_spec;
|
||
|
||
//目前只索引data和home，因此只存这两个文件夹下的挂载点
|
||
if (automaticMountPoint.contains("/data") || automaticMountPoint.contains("/home")) {
|
||
m_autoMountList.append(automaticMountPoint);
|
||
}
|
||
if (!spec.startsWith("UUID")) {
|
||
m_infoOfSubvolume.insert(spec, automaticMountPoint);
|
||
}
|
||
}
|
||
|
||
//init disk data, refresh the black list
|
||
handleDisk();
|
||
}
|
||
|
||
void DirWatcher::initDiskWatcher()
|
||
{
|
||
//use Dbus to monitor the hot plug of Udisk.
|
||
QDBusConnection::systemBus().connect("org.freedesktop.UDisks2",
|
||
"/org/freedesktop/UDisks2",
|
||
"org.freedesktop.DBus.ObjectManager",
|
||
"InterfacesAdded",
|
||
this, SLOT(handleAddedUDiskDevice(QDBusMessage)));
|
||
QDBusConnection::systemBus().connect("org.freedesktop.UDisks2",
|
||
"/org/freedesktop/UDisks2",
|
||
"org.freedesktop.DBus.ObjectManager",
|
||
"InterfacesRemoved",
|
||
this, SLOT(handleRemovedUDiskDevice(QDBusMessage)));
|
||
|
||
m_volumeMonitor = g_volume_monitor_get();
|
||
if (!m_volumeMonitor) {
|
||
return;
|
||
}
|
||
m_mountAddHandle = g_signal_connect(m_volumeMonitor, "mount-added", G_CALLBACK(mountAddCallback), this);
|
||
m_mountRemoveHandle = g_signal_connect(m_volumeMonitor, "mount-removed", G_CALLBACK(mountRemoveCallback), this);
|
||
}
|
||
|
||
void DirWatcher::handleDisk()
|
||
{
|
||
//init current mounted device info
|
||
QMutexLocker locker(&s_mutex);
|
||
m_currentMountedDeviceInfo.clear();
|
||
for (QStorageInfo &storage: QStorageInfo::mountedVolumes()) {
|
||
if (storage.isValid() && storage.isReady() && QString(storage.device()).contains(QRegExp("/sd[a-z][1-9]"))) {
|
||
m_currentMountedDeviceInfo[storage.device()].append(storage.rootPath());
|
||
|
||
if (m_currentMountedDeviceInfo.value(storage.device()).length() > 1) {
|
||
m_repeatedlyMountedDeviceInfo.insert(storage.device(), m_currentMountedDeviceInfo.value(storage.device()));
|
||
}
|
||
if (storage.rootPath().startsWith("/data") || storage.rootPath().startsWith("/home")) {
|
||
m_blackListOfIndex.append(storage.rootPath());
|
||
}
|
||
}
|
||
}
|
||
|
||
//init udisk info
|
||
if (!m_addedUDiskDeviceList.isEmpty()) {
|
||
for (QString addedUDiskDevice: m_addedUDiskDeviceList) {
|
||
m_currentUDiskDeviceInfo.insert(addedUDiskDevice, m_currentMountedDeviceInfo.value("/dev/" + addedUDiskDevice));
|
||
}
|
||
}
|
||
|
||
//将u盘设备在/data和/home下的所有挂载点添加到索引黑名单
|
||
if (!m_currentUDiskDeviceInfo.isEmpty()) {
|
||
for (auto t = m_currentUDiskDeviceInfo.constBegin(); t != m_currentUDiskDeviceInfo.constEnd(); t++) {
|
||
for (QString udiskDevice: t.value()) {
|
||
if (udiskDevice.startsWith("/data") || udiskDevice.startsWith("/home")) {
|
||
m_blackListOfIndex.append(udiskDevice);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
//从黑名单中移除所有自动挂载设备（目前只包含自动挂载到/data和/home目录下的设备）
|
||
for (QString autoMountDevice: m_autoMountList) {
|
||
m_blackListOfIndex.removeAll(autoMountDevice);
|
||
}
|
||
m_blackListOfIndex.removeDuplicates();
|
||
|
||
qDebug() << "autoMountList:" << m_autoMountList;
|
||
qDebug() << "m_currentMountedDeviceInfo:" << m_currentMountedDeviceInfo;
|
||
qDebug() << "m_repeatedlyMountedDeviceInfo:" << m_repeatedlyMountedDeviceInfo;
|
||
qDebug() << "m_currentUDiskDeviceInfo:" << m_currentUDiskDeviceInfo;
|
||
qDebug() << "m_blackListOfIndex:" << m_blackListOfIndex;
|
||
|
||
}
|
||
|
||
void DirWatcher::handleAddedUDiskDevice(QDBusMessage msg)
|
||
{
|
||
QDBusObjectPath objPath = msg.arguments().at(0).value<QDBusObjectPath>();
|
||
if (objPath.path().contains(QRegExp("/sd[a-z][1-9]"))) {
|
||
QMutexLocker locker(&s_mutex);
|
||
m_addedUDiskDeviceList.append(objPath.path().section("/",-1));
|
||
qDebug() << "Add Udisk:" << m_addedUDiskDeviceList;
|
||
}
|
||
}
|
||
|
||
void DirWatcher::handleRemovedUDiskDevice(QDBusMessage msg)
|
||
{
|
||
Q_EMIT this->udiskRemoved();
|
||
QDBusObjectPath objPath = msg.arguments().at(0).value<QDBusObjectPath>();
|
||
if (objPath.path().contains(QRegExp("/sd[a-z][1-9]"))) {
|
||
QMutexLocker locker(&s_mutex);
|
||
m_removedUDiskDevice = objPath.path().section("/",-1);
|
||
m_addedUDiskDeviceList.removeAll(m_removedUDiskDevice);
|
||
}
|
||
}
|