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/*
* Copyright 2008 Ben Boeckel <MathStuf@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Header include
#include "Packet.h"
// Qt include
#include <QtCore/QtEndian>
#include <QtCore/QBuffer>
#include <QtCore/QIODevice>
Signet::Protocol::Packet::Packet(const qint16 type, const QStringList& receivers) :
m_type(type),
m_receivers(receivers)
{
}
qint16 Signet::Protocol::Packet::type() const
{
return m_type;
}
QStringList Signet::Protocol::Packet::receivers() const
{
return m_receivers;
}
bool Signet::Protocol::Packet::isValid() const
{
return m_type == Invalid;
}
QString Signet::Protocol::Packet::received()
{
if (m_receivers.isEmpty())
return QString();
return m_receivers.takeFirst();
}
void Signet::Protocol::Packet::write(const QByteArray& data)
{
if ((m_type == RawData) || (m_type == Invalid))
m_rawData.append(data);
}
void Signet::Protocol::Packet::rawDump(QIODevice* device) const
{
device->write(m_rawData);
}
void Signet::Protocol::Packet::dump(QIODevice* device) const
{
if (m_type == Invalid)
{
qCritical("Cannot send a packet of invalid type");
return;
}
union
{
char raw[4];
qint16 type;
qint32 size;
};
QByteArray data;
QBuffer buffer(&data);
type = qToBigEndian(m_type);
buffer.write(raw, 2);
foreach (const QString& receiver, m_receivers)
{
if (receiver.isEmpty())
continue;
QByteArray utf8Data = receiver.toUtf8();
size = receiver.size();
size = qToBigEndian(size);
buffer.putChar('\0');
buffer.write(raw, 4);
buffer.write(utf8Data.constData(), utf8Data.size());
}
size = m_rawData.size();
size = qToBigEndian(size);
buffer.putChar('\x1');
buffer.write(raw, 4);
buffer.write(m_rawData);
device->write(data);
}
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