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dvmhost/src/common/network/RTPFNEHeader.h

89 lines
3.2 KiB

/**
* Digital Voice Modem - Common Library
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* @package DVM / Common Library
*
*/
/*
* Copyright (C) 2023 by Bryan Biedenkapp N2PLL
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(__RTP_FNE_HEADER_H__)
#define __RTP_FNE_HEADER_H__
#include "common/Defines.h"
#include "common/network/RTPExtensionHeader.h"
#include <chrono>
#include <random>
#include <string>
// ---------------------------------------------------------------------------
// Constants
// ---------------------------------------------------------------------------
#define RTP_FNE_HEADER_LENGTH_BYTES 16
#define RTP_FNE_HEADER_LENGTH_EXT_LEN 4
#define RTP_END_OF_CALL_SEQ 65535
namespace network
{
namespace frame
{
// ---------------------------------------------------------------------------
// Constants
// ---------------------------------------------------------------------------
const uint8_t DVM_FRAME_START = 0xFEU;
// ---------------------------------------------------------------------------
// Class Declaration
// Represents the FNE RTP Extension header.
// ---------------------------------------------------------------------------
class HOST_SW_API RTPFNEHeader : public RTPExtensionHeader {
public:
/// <summary>Initializes a new instance of the RTPFNEHeader class.</summary>
RTPFNEHeader();
/// <summary>Finalizes a instance of the RTPFNEHeader class.</summary>
~RTPFNEHeader();
/// <summary>Decode a RTP header.</summary>
virtual bool decode(const uint8_t* data);
/// <summary>Encode a RTP header.</summary>
virtual void encode(uint8_t* data);
public:
/// <summary>Traffic payload packet CRC-16.</summary>
__PROPERTY(uint16_t, crc16, CRC);
/// <summary>Function.</summary>
__PROPERTY(uint8_t, func, Function);
/// <summary>Sub-function.</summary>
__PROPERTY(uint8_t, subFunc, SubFunction);
/// <summary>Traffic Stream ID.</summary>
__PROPERTY(uint32_t, streamId, StreamId);
/// <summary>Traffic Peer ID.</summary>
__PROPERTY(uint32_t, peerId, PeerId);
/// <summary>Traffic Message Length.</summary>
__PROPERTY(uint32_t, messageLength, MessageLength);
};
} // namespace frame
} // namespace network
#endif // __RTP_FNE_HEADER_H__

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