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/*
# Copyright (c) 2009 - OpenSLX Project, Computer Center University of Freiburg
#
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your suggestions, praise, or complaints to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org/
# -----------------------------------------------------------------------------
# src/net/mcast/McastReceiver.h
# - implement the receiver-side multicast file transfer protocol -- interface
# -----------------------------------------------------------------------------
*/
#ifndef MCASTRECEIVER_H_
#define MCASTRECEIVER_H_
#include <QByteArray>
#include <QCryptographicHash>
#include <QIODevice>
#include <QObject>
#include <QtGlobal>
#include <src/net/mcast/McastConfiguration.h>
#include <src/net/mcast/McastPGMSocket.h>
class McastReceiver : public QObject
{
Q_OBJECT
public:
enum Result {
RES_OK,
RES_ABORTED,
RES_OFFSET_MISMATCH,
RES_CHECKSUM_MISMATCH,
RES_MD5_MISMATCH,
RES_CONNECTION_RESET
};
McastReceiver(QIODevice* iodev, McastConfiguration* config = 0, QObject* parent = 0);
virtual ~McastReceiver();
McastConfiguration* config()
{
return _config;
}
static inline bool is_error(Result result)
{
return result != RES_OK;
}
signals:
void finished(int result);
public slots:
void start();
private:
McastConfiguration* _config;
McastPGMSocket* _socket;
quint64 _curoffs;
bool _closed;
QCryptographicHash _hash;
QIODevice* _iodev;
private slots:
void receivedPacket(QByteArray const& bytes);
void connectionReset();
void _close(Result result);
};
#endif /* MCASTRECEIVER_H_ */
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