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Diffstat (limited to 'examples/network/torrent/metainfo.cpp')
| -rw-r--r-- | examples/network/torrent/metainfo.cpp | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/examples/network/torrent/metainfo.cpp b/examples/network/torrent/metainfo.cpp new file mode 100644 index 0000000..03d824c --- /dev/null +++ b/examples/network/torrent/metainfo.cpp @@ -0,0 +1,218 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the examples of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "bencodeparser.h" +#include "metainfo.h" + +#include <QDateTime> +#include <QMetaType> +#include <QString> + +MetaInfo::MetaInfo() +{ + clear(); +} + +void MetaInfo::clear() +{ + errString = "Unknown error"; + content.clear(); + infoData.clear(); + metaInfoMultiFiles.clear(); + metaInfoAnnounce.clear(); + metaInfoAnnounceList.clear(); + metaInfoCreationDate = QDateTime(); + metaInfoComment.clear(); + metaInfoCreatedBy.clear(); + metaInfoName.clear(); + metaInfoPieceLength = 0; + metaInfoSha1Sums.clear(); +} + +bool MetaInfo::parse(const QByteArray &data) +{ + clear(); + content = data; + + BencodeParser parser; + if (!parser.parse(content)) { + errString = parser.errorString(); + return false; + } + + infoData = parser.infoSection(); + + QMap<QByteArray, QVariant> dict = parser.dictionary(); + if (!dict.contains("info")) + return false; + + QMap<QByteArray, QVariant> info = qVariantValue<Dictionary>(dict.value("info")); + + if (info.contains("files")) { + metaInfoFileForm = MultiFileForm; + + QList<QVariant> files = info.value("files").toList(); + + for (int i = 0; i < files.size(); ++i) { + QMap<QByteArray, QVariant> file = qVariantValue<Dictionary>(files.at(i)); + QList<QVariant> pathElements = file.value("path").toList(); + QByteArray path; + foreach (QVariant p, pathElements) { + if (!path.isEmpty()) + path += "/"; + path += p.toByteArray(); + } + + MetaInfoMultiFile multiFile; + multiFile.length = file.value("length").toLongLong(); + multiFile.path = QString::fromUtf8(path); + multiFile.md5sum = file.value("md5sum").toByteArray(); + metaInfoMultiFiles << multiFile; + } + + metaInfoName = QString::fromUtf8(info.value("name").toByteArray()); + metaInfoPieceLength = info.value("piece length").toInt(); + QByteArray pieces = info.value("pieces").toByteArray(); + for (int i = 0; i < pieces.size(); i += 20) + metaInfoSha1Sums << pieces.mid(i, 20); + } else if (info.contains("length")) { + metaInfoFileForm = SingleFileForm; + metaInfoSingleFile.length = info.value("length").toLongLong(); + metaInfoSingleFile.md5sum = info.value("md5sum").toByteArray(); + metaInfoSingleFile.name = QString::fromUtf8(info.value("name").toByteArray()); + metaInfoSingleFile.pieceLength = info.value("piece length").toInt(); + + QByteArray pieces = info.value("pieces").toByteArray(); + for (int i = 0; i < pieces.size(); i += 20) + metaInfoSingleFile.sha1Sums << pieces.mid(i, 20); + } + + metaInfoAnnounce = QString::fromUtf8(dict.value("announce").toByteArray()); + + if (dict.contains("announce-list")) { + // ### unimplemented + } + + if (dict.contains("creation date")) + metaInfoCreationDate.setTime_t(dict.value("creation date").toInt()); + if (dict.contains("comment")) + metaInfoComment = QString::fromUtf8(dict.value("comment").toByteArray()); + if (dict.contains("created by")) + metaInfoCreatedBy = QString::fromUtf8(dict.value("created by").toByteArray()); + + return true; +} + +QByteArray MetaInfo::infoValue() const +{ + return infoData; +} + +QString MetaInfo::errorString() const +{ + return errString; +} + +MetaInfo::FileForm MetaInfo::fileForm() const +{ + return metaInfoFileForm; +} + +QString MetaInfo::announceUrl() const +{ + return metaInfoAnnounce; +} + +QStringList MetaInfo::announceList() const +{ + return metaInfoAnnounceList; +} + +QDateTime MetaInfo::creationDate() const +{ + return metaInfoCreationDate; +} + +QString MetaInfo::comment() const +{ + return metaInfoComment; +} + +QString MetaInfo::createdBy() const +{ + return metaInfoCreatedBy; +} + +MetaInfoSingleFile MetaInfo::singleFile() const +{ + return metaInfoSingleFile; +} + +QList<MetaInfoMultiFile> MetaInfo::multiFiles() const +{ + return metaInfoMultiFiles; +} + +QString MetaInfo::name() const +{ + return metaInfoName; +} + +int MetaInfo::pieceLength() const +{ + return metaInfoPieceLength; +} + +QList<QByteArray> MetaInfo::sha1Sums() const +{ + return metaInfoSha1Sums; +} + +qint64 MetaInfo::totalSize() const +{ + if (fileForm() == SingleFileForm) + return singleFile().length; + + qint64 size = 0; + foreach (MetaInfoMultiFile file, multiFiles()) + size += file.length; + return size; +} |