373 lines
12 KiB
C++
373 lines
12 KiB
C++
/*
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* Copyright (C) 2022, KylinSoft Co., Ltd.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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* Authors: iaom <zhangpengfei@kylinos.cn>
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*
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*/
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#include "batch-indexer.h"
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#include <QFileInfo>
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#include <QElapsedTimer>
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#include <QDebug>
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#include <malloc.h>
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#include <QQueue>
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#include <QDateTime>
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#include "file-utils.h"
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#include "basic-indexer.h"
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#include "file-indexer-config.h"
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#include "file-content-indexer.h"
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#include "writable-database.h"
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#include "compatible-define.h"
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using namespace UkuiSearch;
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BatchIndexer::BatchIndexer(const QStringList &folders, const QStringList &blackList,
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QAtomicInt& indexStop, QAtomicInt &contentIndexStop, QAtomicInt &contentIndexOcrStop,
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WorkMode mode, Targets target)
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: m_folders(folders),
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m_blackList(blackList),
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m_indexStop(&indexStop),
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m_contentIndexStop(&contentIndexStop),
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m_contentIndexOcrStop(&contentIndexOcrStop),
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m_mode(mode),
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m_target(target)
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{
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}
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void BatchIndexer::run()
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{
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QElapsedTimer timer;
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timer.start();
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if(m_target == Target::None || (m_indexStop->LOAD && m_contentIndexStop->LOAD)) {
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Q_EMIT done(m_mode, m_target);
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return;
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}
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fetch();
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if(m_target & Target::Basic) {
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basicIndex();
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Q_EMIT basicIndexDone(m_mode);
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}
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if(m_target & Target::Content) {
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contentIndex();
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Q_EMIT contentIndexDone(m_mode);
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}
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if(m_target & Target::Ocr) {
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ocrIndex();
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Q_EMIT ocrContentIndexDone(m_mode);
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}
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m_cache.clear();
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malloc_trim(0);
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qDebug() << "FirstRunIndexer: time :" << timer.elapsed() << "milliseconds";
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Q_EMIT done(m_mode, m_target);
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}
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void BatchIndexer::fetch()
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{
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qDebug() << "Now begin fetching files to be indexed...";
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qDebug() << "Index folders:" << m_folders << "blacklist :" << m_blackList;
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QQueue<QString> bfs;
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for(const QString& blockPath : m_blackList) {
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for(const QString& path : m_folders) {
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if(FileUtils::isOrUnder(path, blockPath)) {
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m_folders.removeOne(path);
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}
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}
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}
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m_cache.append(m_folders);
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for(const QString &path : m_folders) {
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bfs.enqueue(path);
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}
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QFileInfoList list;
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QDir dir;
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QStringList tmpList = m_blackList;
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// QDir::Hidden
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dir.setFilter(QDir::Dirs | QDir::Files | QDir::NoDotAndDotDot);
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dir.setSorting(QDir::DirsFirst);
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while(!bfs.empty()) {
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dir.setPath(bfs.dequeue());
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list = dir.entryInfoList();
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for(const auto& i : list) {
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bool isBlocked = false;
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for(const QString &path : tmpList) {
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if(i.absoluteFilePath() == path) {
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isBlocked = true;
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tmpList.removeOne(path);
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break;
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}
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}
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if(isBlocked)
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continue;
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if(i.isDir() && (!(i.isSymLink()))) {
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bfs.enqueue(i.absoluteFilePath());
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}
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m_cache.append(i.absoluteFilePath());
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}
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}
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qDebug() << m_cache.size() << "files founded, start index...";
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}
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void BatchIndexer::basicIndex()
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{
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qDebug() << "Begin basic index";
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WritableDatabase basicDb(DataBaseType::Basic);
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if(!basicDb.open()) {
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qWarning() << "Basic db open failed, fail to run basic index!";
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return;
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}
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QStringList filesNeedIndex;
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if(m_mode == WorkMode::Rebuild) {
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basicDb.rebuild();
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if(!basicDb.open()) {
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qWarning() << "basicDb db open failed, fail to run basic index!";
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return;
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}
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filesNeedIndex = m_cache;
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qDebug() <<filesNeedIndex.size() << "files need index.";
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} else if(m_mode == WorkMode::Add) {
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filesNeedIndex = m_cache;
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qDebug() <<filesNeedIndex.size() << "files need index.";
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} else if (m_mode == WorkMode::Update) {
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QFileInfo info;
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QMap<std::string, std::string> indexTimes = basicDb.getIndexTimes();
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qDebug() << indexTimes.size() << "documents recorded";
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for(const QString& path : m_cache) {
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info.setFile(path);
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if(indexTimes.take(FileUtils::makeDocUterm(path)) != info.lastModified().toString("yyyyMMddHHmmsszzz").toStdString()) {
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filesNeedIndex.append(path);
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}
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}
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if(!indexTimes.isEmpty()) {
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qDebug() << indexTimes.size() << "documents need remove.";
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for(const std::string& uniqueTerm : indexTimes.keys()) {
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basicDb.removeDocument(uniqueTerm);
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}
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basicDb.commit();
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}
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qDebug() << filesNeedIndex.size() << "files need update.";
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}
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uint allSize = filesNeedIndex.size();
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Q_EMIT progress(IndexType::Basic, allSize, 0);
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uint batchSize = 0;
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uint finishNum = 0;
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for (const QString& path: filesNeedIndex) {
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BasicIndexer indexer(path);
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if(indexer.index()) {
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basicDb.addDocument(indexer.document());
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++batchSize;
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++finishNum;
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}
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if(batchSize >= 8192) {
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qDebug() << finishNum << "of" << allSize <<"finished.";
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basicDb.commit();
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Q_EMIT progress(IndexType::Basic, allSize, finishNum);
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//文件名索引很快
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if(m_indexStop->LOAD) {
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qDebug() << "Index stopped, abort basic index.";
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filesNeedIndex.clear();
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return;
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}
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batchSize = 0;
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}
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}
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//TODO:xapian默认10000条自动commit一次，需要根据内存占用情况调整。
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basicDb.commit();
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Q_EMIT progress(IndexType::Basic, allSize, finishNum);
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filesNeedIndex.clear();
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qDebug() << "Finish basic index";
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}
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void BatchIndexer::contentIndex()
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{
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qDebug() << "Begin content index";
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if(m_contentIndexStop->LOAD) {
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qDebug() << "Index stopped, abort content index.";
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return;
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}
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WritableDatabase contentDb(DataBaseType::Content);
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if(!contentDb.open()) {
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qWarning() << "Content db open failed, fail to run content index!";
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return;
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}
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QStringList filesNeedIndex;
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QFileInfo info;
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if(m_mode == WorkMode::Rebuild) {
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contentDb.rebuild();
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if(!contentDb.open()) {
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return;
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}
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}
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if(m_mode == WorkMode::Rebuild || m_mode == WorkMode::Add) {
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for(const QString& path : m_cache) {
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info.setFile(path);
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if(targetFileTypeMap[info.suffix()] && info.isFile()) {
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if(!FileUtils::isEncrypedOrUnsupport(path, info.suffix())) {
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filesNeedIndex.append(path);
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}
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}
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}
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} else if(m_mode == WorkMode::Update) {
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QMap<std::string, std::string> indexTimes = contentDb.getIndexTimes();
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qDebug() << indexTimes.size() << "documents recorded";
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for(const QString& path : m_cache) {
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info.setFile(path);
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if(targetFileTypeMap[info.suffix()] && info.isFile()) {
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std::string uterm = FileUtils::makeDocUterm(path);
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if(indexTimes.value(uterm) != info.lastModified().toString("yyyyMMddHHmmsszzz").toStdString()) {
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if(!FileUtils::isEncrypedOrUnsupport(path, info.suffix())) {
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filesNeedIndex.append(path);
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indexTimes.remove(uterm);
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}
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} else {
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indexTimes.remove(uterm);
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}
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}
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}
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if(!indexTimes.isEmpty()) {
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qDebug() << indexTimes.size() << "documents need remove";
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for(const std::string& uniqueTerm : indexTimes.keys()) {
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contentDb.removeDocument(uniqueTerm);
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}
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contentDb.commit();
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}
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}
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uint allSize = filesNeedIndex.size();
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qDebug() << allSize << "files need content index.";
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Q_EMIT progress(IndexType::Contents, allSize, 0);
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uint batchSize = 0;
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uint finishNum = 0;
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for (const QString& path : filesNeedIndex) {
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if(m_contentIndexStop->LOAD) {
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qDebug() << "Index stopped, interrupt content index.";
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filesNeedIndex.clear();
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return;
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}
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fileContentIndexer indexer(path);
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if(indexer.index()) {
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contentDb.addDocument(indexer.document());
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++batchSize;
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++finishNum;
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} else {
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// qDebug() << "Extract fail===" << path;
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}
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if(batchSize >= 30) {
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contentDb.commit();
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qDebug() << finishNum << "of" << allSize <<"finished.";
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Q_EMIT progress(IndexType::Contents, allSize, finishNum);
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batchSize = 0;
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}
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}
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contentDb.commit();
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Q_EMIT progress(IndexType::Contents, allSize, finishNum);
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filesNeedIndex.clear();
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qDebug() << "Finish content index";
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}
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void BatchIndexer::ocrIndex()
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{
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qDebug() << "Begin ocr content index";
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if(m_contentIndexOcrStop->LOAD) {
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qDebug() << "Index stopped, abort ocr content index.";
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return;
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}
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WritableDatabase contentDb(DataBaseType::OcrContent);
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if(!contentDb.open()) {
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qWarning() << "Content db open failed, fail to run ocr content index!";
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return;
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}
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QStringList filesNeedOCRIndex;
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QFileInfo info;
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if(m_mode == WorkMode::Rebuild) {
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contentDb.rebuild();
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if(!contentDb.open()) {
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return;
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}
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}
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if(m_mode == WorkMode::Rebuild || m_mode == WorkMode::Add) {
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for(const QString &path : m_cache) {
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info.setFile(path);
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if(targetPhotographTypeMap[info.suffix()] && info.isFile()) {
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if(!FileUtils::isEncrypedOrUnsupport(path, info.suffix())) {
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filesNeedOCRIndex.append(path);
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}
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}
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}
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} else {
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QMap<std::string, std::string> indexTimes = contentDb.getIndexTimes();
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qDebug() << indexTimes.size() << "documents recorded";
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for(const QString& path : m_cache) {
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info.setFile(path);
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if(targetPhotographTypeMap[info.suffix()] && info.isFile()) {
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std::string uterm = FileUtils::makeDocUterm(path);
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if(indexTimes.value(uterm) != info.lastModified().toString("yyyyMMddHHmmsszzz").toStdString()) {
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if(!FileUtils::isEncrypedOrUnsupport(path, info.suffix())) {
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filesNeedOCRIndex.append(path);
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indexTimes.remove(uterm);
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}
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} else {
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indexTimes.remove(uterm);
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}
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}
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}
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if(!indexTimes.isEmpty()) {
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qDebug() << indexTimes.size() << "documents need remove";
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for(const std::string& uniqueTerm : indexTimes.keys()) {
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contentDb.removeDocument(uniqueTerm);
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}
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contentDb.commit();
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}
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}
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uint allSize = filesNeedOCRIndex.size();
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qDebug() << allSize << "pictures need ocr content index.";
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Q_EMIT progress(IndexType::OCR, allSize, 0);
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uint batchSize = 0;
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uint finishNum = 0;
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for (const QString &path : filesNeedOCRIndex) {
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if(m_contentIndexOcrStop->LOAD) {
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qDebug() << "Index stopped, interrupt ocr content index.";
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filesNeedOCRIndex.clear();
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return;
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}
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fileContentIndexer indexer(path);
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if(indexer.index()) {
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contentDb.addDocument(indexer.document());
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++batchSize;
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++finishNum;
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} else {
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// qDebug() << "Extract fail===" << path;
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}
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if(batchSize >= 10) {
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contentDb.commit();
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qDebug() << finishNum << "of" << allSize <<"finished.";
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Q_EMIT progress(IndexType::OCR, allSize, finishNum);
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batchSize = 0;
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}
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}
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contentDb.commit();
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Q_EMIT progress(IndexType::OCR, allSize, finishNum);
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filesNeedOCRIndex.clear();
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qDebug() << "Ocr content index finished,";
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}
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