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urfd/reflector/DVFramePacket.cpp

272 lines
7.8 KiB

// Copyright © 2015 Jean-Luc Deltombe (LX3JL). All rights reserved.
//
// urfd -- The universal reflector
// Copyright © 2021 Thomas A. Early N7TAE
//
// 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 <https://www.gnu.org/licenses/>.
#include <iostream>
#include <string.h>
#include "DVFramePacket.h"
// default constructor
CDvFramePacket::CDvFramePacket()
{
memset(m_TCPack.dstar, 0, 9);
memset(m_uiDvData, 0, 3);
memset(m_TCPack.dmr, 0, 9);
memset(m_uiDvSync, 0, 7);
memset(m_TCPack.m17, 0, 16);
memset(m_TCPack.p25, 0, 11);
memset(m_TCPack.usrp, 0, 320);
memset(m_Nonce, 0, 14);
m_TCPack.codec_in = ECodecType::none;
};
// dstar constructor
CDvFramePacket::CDvFramePacket(const SDStarFrame *dvframe, uint16_t sid, uint8_t pid)
: CPacket(sid, pid)
{
memcpy(m_TCPack.dstar, dvframe->AMBE, 9);
memcpy(m_uiDvData, dvframe->DVDATA, 3);
memset(m_TCPack.dmr, 0, 9);
memset(m_uiDvSync, 0, 7);
memset(m_TCPack.m17, 0, 16);
memset(m_TCPack.p25, 0, 11);
memset(m_TCPack.usrp, 0, 320);
memset(m_Nonce, 0, 14);
m_TCPack.codec_in = ECodecType::dstar;
}
// dmr constructor
CDvFramePacket::CDvFramePacket(const uint8_t *ambe, const uint8_t *sync, uint16_t sid, uint8_t pid, uint8_t spid, bool islast)
: CPacket(sid, pid, spid, islast)
{
memcpy(m_TCPack.dmr, ambe, 9);
memcpy(m_uiDvSync, sync, 7);
memset(m_TCPack.dstar, 0, 9);
memset(m_uiDvData, 0, 3);
memset(m_TCPack.m17, 0, 16);
memset(m_TCPack.p25, 0, 11);
memset(m_TCPack.usrp, 0, 320);
memset(m_Nonce, 0, 14);
m_TCPack.codec_in = ECodecType::dmr;
}
// ysf constructor
CDvFramePacket::CDvFramePacket(const uint8_t *ambe, uint16_t sid, uint8_t pid, uint8_t spid, uint8_t fid, CCallsign cs, bool islast)
: CPacket(sid, pid, spid, fid, islast)
{
memcpy(m_TCPack.dmr, ambe, 9);
memset(m_uiDvSync, 0, 7);
memset(m_TCPack.dstar, 0, 9);
memset(m_uiDvData, 0, 3);
memset(m_TCPack.m17, 0, 16);
memset(m_TCPack.p25, 0, 11);
memset(m_TCPack.usrp, 0, 320);
memset(m_Nonce, 0, 14);
m_TCPack.codec_in = ECodecType::dmr;
uint8_t c[12];
cs.GetCallsign(c);
m_Callsign.SetCallsign((char *)c);
}
// bm constructor
CDvFramePacket::CDvFramePacket
(uint16_t sid, uint8_t dstarpid, const uint8_t *dstarambe, const uint8_t *dstardvdata, uint8_t dmrpid, uint8_t dprspid, const uint8_t *dmrambe, const uint8_t *dmrsync, ECodecType codecInType, bool islast)
: CPacket(sid, dstarpid, dmrpid, dprspid, 0xFF, 0xFF, 0xFF, codecInType, islast)
{
::memcpy(m_TCPack.dstar, dstarambe, 9);
::memcpy(m_uiDvData, dstardvdata, 3);
::memcpy(m_TCPack.dmr, dmrambe, 9);
::memcpy(m_uiDvSync, dmrsync, 7);
m_TCPack.codec_in = codecInType;
}
// m17 constructor
CDvFramePacket::CDvFramePacket(const CM17Packet &m17) : CPacket(m17)
{
memset(m_TCPack.dstar, 0, 9);
memset(m_uiDvData, 0, 3);
memset(m_TCPack.dmr, 0, 9);
memset(m_uiDvSync, 0, 7);
memcpy(m_TCPack.m17, m17.GetPayload(), 16);
memcpy(m_Nonce, m17.GetNonce(), 14);
memset(m_TCPack.p25, 0, 11);
memset(m_TCPack.usrp, 0, 320);
switch (0x6U & m17.GetFrameType())
{
case 0x4U:
m_TCPack.codec_in = ECodecType::c2_3200;
break;
case 0x6U:
m_TCPack.codec_in = ECodecType::c2_1600;
break;
default:
m_TCPack.codec_in = ECodecType::none;
break;
}
}
// p25 constructor
CDvFramePacket::CDvFramePacket(const uint8_t *imbe, uint16_t streamid, bool islast)
: CPacket(streamid, false, islast)
{
memcpy(m_TCPack.p25, imbe, 11);
memset(m_TCPack.dmr, 0, 9);
memset(m_uiDvSync, 0, 7);
memset(m_TCPack.dstar, 0, 9);
memset(m_uiDvData, 0, 3);
memset(m_TCPack.m17, 0, 16);
memset(m_TCPack.usrp, 0, 320);
memset(m_Nonce, 0, 14);
m_TCPack.codec_in = ECodecType::p25;
}
// nxdn constructor
CDvFramePacket::CDvFramePacket(const uint8_t *ambe, uint16_t sid, uint8_t pid, bool islast)
: CPacket(sid, pid, islast)
{
memcpy(m_TCPack.dmr, ambe, 9);
memset(m_uiDvSync, 0, 7);
memset(m_TCPack.dstar, 0, 9);
memset(m_uiDvData, 0, 3);
memset(m_TCPack.m17, 0, 16);
memset(m_TCPack.p25, 0, 11);
memset(m_TCPack.usrp, 0, 320);
memset(m_Nonce, 0, 14);
m_TCPack.codec_in = ECodecType::dmr;
}
// usrp constructor
CDvFramePacket::CDvFramePacket(const int16_t *usrp, uint16_t streamid, bool islast)
: CPacket(streamid, true, islast)
{
for(int i = 0; i < 160; ++i){
m_TCPack.usrp[i] = usrp[i];
}
memset(m_TCPack.p25, 0, 11);
memset(m_TCPack.dmr, 0, 9);
memset(m_uiDvSync, 0, 7);
memset(m_TCPack.dstar, 0, 9);
memset(m_uiDvData, 0, 3);
memset(m_TCPack.m17, 0, 16);
memset(m_Nonce, 0, 14);
m_TCPack.codec_in = ECodecType::usrp;
}
// Network
unsigned int CDvFramePacket::GetNetworkSize()
{
return CPacket::GetNetworkSize() + 4 + 3 + 7 + 14 + 9 + 9 + 16;
}
CDvFramePacket::CDvFramePacket(const CBuffer &buf) : CPacket(buf)
{
if (buf.size() >= GetNetworkSize())
{
auto data = buf.data();
auto off = CPacket::GetNetworkSize();
uint32_t seq = 0;
for (unsigned int i=0; i<4; i++)
seq = 0x100u * seq + data[off+i];
off += 4;
memcpy(m_uiDvData, data+off, 3); off += 3;
memcpy(m_uiDvSync, data+off, 7); off += 7;
memcpy(m_Nonce, data+off, 14); off += 14;
memcpy(m_TCPack.dstar, data+off, 9); off += 9;
memcpy(m_TCPack.dmr, data+off, 9); off += 9;
memcpy(m_TCPack.m17, data+off, 16); off += 16;
SetTCParams(seq);
}
else
std::cerr << "CBuffer is too small to initialize a CDvFramePacket" << std::endl;
}
void CDvFramePacket::EncodeInterlinkPacket(CBuffer &buf) const
{
CPacket::EncodeInterlinkPacket("URFF", buf);
buf.resize(GetNetworkSize());
auto data = buf.data();
auto off = CPacket::GetNetworkSize();
data[off++] = (m_TCPack.sequence >> 24) & 0xffu;
data[off++] = (m_TCPack.sequence >> 16) & 0xffu;
data[off++] = (m_TCPack.sequence >> 8) & 0xffu;
data[off++] = m_TCPack.sequence & 0xffu;
memcpy(data+off, m_uiDvData, 3); off += 3;
memcpy(data+off, m_uiDvSync, 7); off += 7;
memcpy(data+off, m_Nonce, 14); off += 14;
memcpy(data+off, m_TCPack.dstar, 9); off += 9;
memcpy(data+off, m_TCPack.dmr, 9); off += 9;
memcpy(data+off, m_TCPack.m17, 16);
}
////////////////////////////////////////////////////////////////////////////////////////
// get
const uint8_t *CDvFramePacket::GetCodecData(ECodecType type) const
{
switch (type)
{
case ECodecType::dstar:
return m_TCPack.dstar;
case ECodecType::dmr:
return m_TCPack.dmr;
case ECodecType::c2_1600:
case ECodecType::c2_3200:
return m_TCPack.m17;
case ECodecType::p25:
return m_TCPack.p25;
case ECodecType::usrp:
return (uint8_t*)m_TCPack.usrp;
default:
return nullptr;
}
}
////////////////////////////////////////////////////////////////////////////////////////
// set
void CDvFramePacket::SetDvData(const uint8_t *DvData)
{
memcpy(m_uiDvData, DvData, 3);
}
void CDvFramePacket::SetCodecData(const STCPacket *pack)
{
memcpy(&m_TCPack, pack, sizeof(STCPacket));
}
void CDvFramePacket::SetTCParams(uint32_t seq)
{
m_TCPack.sequence = seq;
m_TCPack.streamid = m_uiStreamId;
m_TCPack.is_last = m_bLastPacket;
m_TCPack.module = m_cModule;
m_TCPack.rt_timer.start();
}
////////////////////////////////////////////////////////////////////////////////////////
// operators
bool CDvFramePacket::operator ==(const CDvFramePacket &DvFrame) const
{
return ( (memcmp(m_TCPack.dstar, DvFrame.m_TCPack.dstar, 9) == 0)
&& (memcmp(m_uiDvData, DvFrame.m_uiDvData, 3) == 0)
&& (memcmp(m_TCPack.dmr, DvFrame.m_TCPack.dmr, 9) == 0)
&& (memcmp(m_uiDvSync, DvFrame.m_uiDvSync, 7) == 0)
);
}

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