xlxd/src/cxlxprotocol.h

98 lines
3.3 KiB
C++

//
// cxlxprotocol.h
// xlxd
//
// Created by Jean-Luc Deltombe (LX3JL) on 28/01/2016.
// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// ----------------------------------------------------------------------------
// This file is part of xlxd.
//
// xlxd 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.
//
// xlxd 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
// ----------------------------------------------------------------------------
#ifndef cxlxprotocol_h
#define cxlxprotocol_h
#include "cversion.h"
#include "ctimepoint.h"
#include "cdextraprotocol.h"
#include "cclients.h"
////////////////////////////////////////////////////////////////////////////////////////
class CPeer;
////////////////////////////////////////////////////////////////////////////////////////
// class
class CXlxProtocol : public CDextraProtocol
{
public:
// constructor
CXlxProtocol() {};
// destructor
virtual ~CXlxProtocol() {};
// initialization
bool Init(void);
// task
void Task(void);
protected:
// queue helper
void HandleQueue(void);
// keepalive helper
void HandlePeerLinks(void);
void HandleKeepalives(void);
// stream helpers
bool OnDvHeaderPacketIn(CDvHeaderPacket *, const CIp &);
void OnDvFramePacketIn(CDvFramePacket *, const CIp * = NULL);
void OnDvLastFramePacketIn(CDvLastFramePacket *, const CIp * = NULL);
// packet decoding helpers
bool IsValidKeepAlivePacket(const CBuffer &, CCallsign *);
bool IsValidConnectPacket(const CBuffer &, CCallsign *, char *, CVersion *);
bool IsValidDisconnectPacket(const CBuffer &, CCallsign *);
bool IsValidAckPacket(const CBuffer &, CCallsign *, char *, CVersion *);
bool IsValidNackPacket(const CBuffer &, CCallsign *);
CDvFramePacket *IsValidDvFramePacket(const CBuffer &);
CDvLastFramePacket *IsValidDvLastFramePacket(const CBuffer &);
// packet encoding helpers
void EncodeKeepAlivePacket(CBuffer *);
void EncodeConnectPacket(CBuffer *, const char *);
void EncodeDisconnectPacket(CBuffer *);
void EncodeConnectAckPacket(CBuffer *, const char *);
void EncodeConnectNackPacket(CBuffer *);
bool EncodeDvFramePacket(const CDvFramePacket &, CBuffer *) const;
bool EncodeDvLastFramePacket(const CDvLastFramePacket &, CBuffer *) const;
// protocol revision helper
int GetConnectingPeerProtocolRevision(const CCallsign &, const CVersion &);
CPeer *CreateNewPeer(const CCallsign &, const CIp &, char *, const CVersion &);
protected:
// time
CTimePoint m_LastKeepaliveTime;
CTimePoint m_LastPeersLinkTime;
};
////////////////////////////////////////////////////////////////////////////////////////
#endif /* cxlxprotocol_h */