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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 "ConnectMediator.h"
// Protocol includes
#include "PacketMaker.h"
// Qt includes
#include <QtNetwork/QTcpSocket>
Signet::Protocol::ConnectMediator::ConnectMediator(QTcpSocket* socket, Side side, const QStringList& receivers) :
m_side(side),
m_receivers(receivers),
m_error(NoError),
m_socket(socket)
{
}
Signet::Protocol::ConnectMediator::Error Signet::Protocol::ConnectMediator::requestConnection()
{
if (m_side != Client)
return SideError;
init();
recvAck();
return m_error;
}
Signet::Protocol::ConnectMediator::Error Signet::Protocol::ConnectMediator::replyToConnection()
{
if (m_side != Server)
return SideError;
recvAck();
if (m_error != NoError)
{
failure();
return m_error;
}
sendAck();
return m_error;
}
void Signet::Protocol::ConnectMediator::init()
{
PacketMaker::makeConnection(m_socket, m_receivers);
}
void Signet::Protocol::ConnectMediator::sendAck()
{
PacketMaker::ack(m_socket, m_receivers);
}
void Signet::Protocol::ConnectMediator::recvAck()
{
Packet packet = PacketMaker::unwrap(m_socket);
if (packet.isValid())
{
if (packet.receivers() == m_receivers)
{
if (packet.type() != Packet::Acknowledge)
m_error = UnexpectedError;
}
else
m_error = ReceiverError;
}
else
m_error = SocketError;
}
void Signet::Protocol::ConnectMediator::failure()
{
PacketMaker::deny(m_socket, m_receivers);
}
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