File indexing completed on 2024-04-14 03:49:41

0001 /*
0002     This file is part of the KDE Baloo project.
0003     SPDX-FileCopyrightText: 2015 Vishesh Handa <vhanda@kde.org>
0004 
0005     SPDX-License-Identifier: LGPL-2.1-or-later
0006 */
0007 
0008 #include "documenttimedb.h"
0009 #include "enginedebug.h"
0010 
0011 using namespace Baloo;
0012 
0013 DocumentTimeDB::DocumentTimeDB(MDB_dbi dbi, MDB_txn* txn)
0014     : m_txn(txn)
0015     , m_dbi(dbi)
0016 {
0017     Q_ASSERT(txn != nullptr);
0018     Q_ASSERT(dbi != 0);
0019 }
0020 
0021 DocumentTimeDB::~DocumentTimeDB()
0022 {
0023 }
0024 
0025 MDB_dbi DocumentTimeDB::create(MDB_txn* txn)
0026 {
0027     MDB_dbi dbi = 0;
0028     int rc = mdb_dbi_open(txn, "documenttimedb", MDB_CREATE | MDB_INTEGERKEY, &dbi);
0029     if (rc) {
0030         qCWarning(ENGINE) << "DocumentTimeDB::create" << mdb_strerror(rc);
0031         return 0;
0032     }
0033 
0034     return dbi;
0035 }
0036 
0037 MDB_dbi DocumentTimeDB::open(MDB_txn* txn)
0038 {
0039     MDB_dbi dbi = 0;
0040     int rc = mdb_dbi_open(txn, "documenttimedb", MDB_INTEGERKEY, &dbi);
0041     if (rc) {
0042         qCWarning(ENGINE) << "DocumentTimeDB::open" << mdb_strerror(rc);
0043         return 0;
0044     }
0045 
0046     return dbi;
0047 }
0048 
0049 void DocumentTimeDB::put(quint64 docId, const TimeInfo& info)
0050 {
0051     Q_ASSERT(docId > 0);
0052 
0053     MDB_val key;
0054     key.mv_size = sizeof(quint64);
0055     key.mv_data = &docId;
0056 
0057     MDB_val val;
0058     val.mv_size = sizeof(TimeInfo);
0059     val.mv_data = static_cast<void*>(const_cast<TimeInfo*>(&info));
0060 
0061     int rc = mdb_put(m_txn, m_dbi, &key, &val, 0);
0062     if (rc) {
0063         qCWarning(ENGINE) << "DocumentTimeDB::put" << docId << mdb_strerror(rc);
0064     }
0065 }
0066 
0067 DocumentTimeDB::TimeInfo DocumentTimeDB::get(quint64 docId)
0068 {
0069     Q_ASSERT(docId > 0);
0070 
0071     MDB_val key;
0072     key.mv_size = sizeof(quint64);
0073     key.mv_data = &docId;
0074 
0075     MDB_val val{0, nullptr};
0076     int rc = mdb_get(m_txn, m_dbi, &key, &val);
0077     if (rc) {
0078         if (rc != MDB_NOTFOUND) {
0079             qCDebug(ENGINE) << "DocumentTimeDB::get" << docId << mdb_strerror(rc);
0080         }
0081         return TimeInfo();
0082     }
0083 
0084     return *(static_cast<TimeInfo*>(val.mv_data));
0085 }
0086 
0087 void DocumentTimeDB::del(quint64 docId)
0088 {
0089     Q_ASSERT(docId > 0);
0090 
0091     MDB_val key;
0092     key.mv_size = sizeof(quint64);
0093     key.mv_data = static_cast<void*>(&docId);
0094 
0095     int rc = mdb_del(m_txn, m_dbi, &key, nullptr);
0096     if (rc != 0 && rc != MDB_NOTFOUND) {
0097         qCDebug(ENGINE) << "DocumentTimeDB::del" << docId << mdb_strerror(rc);
0098     }
0099 }
0100 
0101 bool DocumentTimeDB::contains(quint64 docId)
0102 {
0103     Q_ASSERT(docId > 0);
0104 
0105     MDB_val key;
0106     key.mv_size = sizeof(quint64);
0107     key.mv_data = static_cast<void*>(&docId);
0108 
0109     MDB_val val;
0110     int rc = mdb_get(m_txn, m_dbi, &key, &val);
0111     if (rc) {
0112         if (rc != MDB_NOTFOUND) {
0113             qCDebug(ENGINE) << "DocumentTimeDB::contains" << docId << mdb_strerror(rc);
0114         }
0115         return false;
0116     }
0117 
0118     return true;
0119 }
0120 
0121 QMap<quint64, DocumentTimeDB::TimeInfo> DocumentTimeDB::toTestMap() const
0122 {
0123     MDB_cursor* cursor;
0124     mdb_cursor_open(m_txn, m_dbi, &cursor);
0125 
0126     MDB_val key = {0, nullptr};
0127     MDB_val val;
0128 
0129     QMap<quint64, TimeInfo> map;
0130     while (1) {
0131         int rc = mdb_cursor_get(cursor, &key, &val, MDB_NEXT);
0132         if (rc) {
0133             qCDebug(ENGINE) << "DocumentTimeDB::toTestMap" << mdb_strerror(rc);
0134             break;
0135         }
0136 
0137         const quint64 id = *(static_cast<quint64*>(key.mv_data));
0138         const TimeInfo ti = *(static_cast<TimeInfo*>(val.mv_data));
0139         map.insert(id, ti);
0140     }
0141 
0142     mdb_cursor_close(cursor);
0143     return map;
0144 }