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MMDVM_CM/YSF2DMR/YSF2DMR.cpp
Andy CA6JAU 31f63b4ea9 Update copyright startup headers
2019-01-27 12:58:52 -03:00

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/*
* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX
* Copyright (C) 2018,2019 by Andy Uribe CA6JAU
* Copyright (C) 2018 by Manuel Sanchez EA7EE
*
* 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.
*/
#include "YSF2DMR.h"
#if defined(_WIN32) || defined(_WIN64)
#include <Windows.h>
#else
#include <sys/time.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <pwd.h>
#endif
// DT1 and DT2, suggested by Manuel EA7EE
const unsigned char dt1_temp[] = {0x31, 0x22, 0x62, 0x5F, 0x29, 0x00, 0x00, 0x00, 0x00, 0x00};
const unsigned char dt2_temp[] = {0x00, 0x00, 0x00, 0x00, 0x6C, 0x20, 0x1C, 0x20, 0x03, 0x08};
#define DMR_FRAME_PER 55U
#define YSF_FRAME_PER 90U
#define XLX_SLOT 2U
#define XLX_COLOR_CODE 3U
#if defined(_WIN32) || defined(_WIN64)
const char* DEFAULT_INI_FILE = "YSF2DMR.ini";
#else
const char* DEFAULT_INI_FILE = "/etc/YSF2DMR.ini";
#endif
const char* HEADER1 = "This software is for use on amateur radio networks only,";
const char* HEADER2 = "it is to be used for educational purposes only. Its use on";
const char* HEADER3 = "commercial networks is strictly prohibited.";
const char* HEADER4 = "Copyright(C) 2018,2019 by CA6JAU, EA7EE, G4KLX and others";
#include <functional>
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <clocale>
#include <cctype>
int end = 0;
#if !defined(_WIN32) && !defined(_WIN64)
void sig_handler(int signo)
{
if (signo == SIGTERM) {
end = 1;
::fprintf(stdout, "Received SIGTERM\n");
}
}
#endif
int main(int argc, char** argv)
{
const char* iniFile = DEFAULT_INI_FILE;
if (argc > 1) {
for (int currentArg = 1; currentArg < argc; ++currentArg) {
std::string arg = argv[currentArg];
if ((arg == "-v") || (arg == "--version")) {
::fprintf(stdout, "YSF2DMR version %s\n", VERSION);
return 0;
} else if (arg.substr(0, 1) == "-") {
::fprintf(stderr, "Usage: YSF2DMR [-v|--version] [filename]\n");
return 1;
} else {
iniFile = argv[currentArg];
}
}
}
#if !defined(_WIN32) && !defined(_WIN64)
// Capture SIGTERM to finish gracelessly
if (signal(SIGTERM, sig_handler) == SIG_ERR)
::fprintf(stdout, "Can't catch SIGTERM\n");
#endif
CYSF2DMR* gateway = new CYSF2DMR(std::string(iniFile));
int ret = gateway->run();
delete gateway;
return ret;
}
CYSF2DMR::CYSF2DMR(const std::string& configFile) :
m_callsign(),
m_suffix(),
m_conf(configFile),
m_wiresX(NULL),
m_dmrNetwork(NULL),
m_ysfNetwork(NULL),
m_lookup(NULL),
m_conv(),
m_colorcode(1U),
m_srcHS(1U),
m_srcid(1U),
m_defsrcid(1U),
m_dstid(1U),
m_ptt_dstid(1U),
m_ptt_pc(false),
m_dmrpc(false),
m_netSrc(),
m_netDst(),
m_ysfSrc(),
m_dmrLastDT(0U),
m_ysfFrame(NULL),
m_dmrFrame(NULL),
m_gps(NULL),
m_dtmf(NULL),
m_APRS(NULL),
m_dmrFrames(0U),
m_ysfFrames(0U),
m_EmbeddedLC(),
m_TGList(),
m_dmrflco(FLCO_GROUP),
m_dmrinfo(false),
m_idUnlink(4000U),
m_flcoUnlink(FLCO_GROUP),
m_enableWiresX(false),
m_xlxmodule(),
m_xlxConnected(false),
m_xlxReflectors(NULL),
m_xlxrefl(0U),
m_remoteGateway(false),
m_hangTime(1000U),
m_firstSync(false)
{
m_ysfFrame = new unsigned char[200U];
m_dmrFrame = new unsigned char[50U];
::memset(m_ysfFrame, 0U, 200U);
::memset(m_dmrFrame, 0U, 50U);
}
CYSF2DMR::~CYSF2DMR()
{
delete[] m_ysfFrame;
delete[] m_dmrFrame;
}
int CYSF2DMR::run()
{
bool ret = m_conf.read();
if (!ret) {
::fprintf(stderr, "YSF2DMR: cannot read the .ini file\n");
return 1;
}
setlocale(LC_ALL, "C");
unsigned int logDisplayLevel = m_conf.getLogDisplayLevel();
#if !defined(_WIN32) && !defined(_WIN64)
if(m_conf.getDaemon())
logDisplayLevel = 0U;
#endif
#if !defined(_WIN32) && !defined(_WIN64)
bool m_daemon = m_conf.getDaemon();
if (m_daemon) {
// Create new process
pid_t pid = ::fork();
if (pid == -1) {
::fprintf(stderr, "Couldn't fork() , exiting\n");
return -1;
} else if (pid != 0)
exit(EXIT_SUCCESS);
// Create new session and process group
if (::setsid() == -1) {
::fprintf(stderr, "Couldn't setsid(), exiting\n");
return -1;
}
// Set the working directory to the root directory
if (::chdir("/") == -1) {
::fprintf(stderr, "Couldn't cd /, exiting\n");
return -1;
}
// If we are currently root...
if (getuid() == 0) {
struct passwd* user = ::getpwnam("mmdvm");
if (user == NULL) {
::fprintf(stderr, "Could not get the mmdvm user, exiting\n");
return -1;
}
uid_t mmdvm_uid = user->pw_uid;
gid_t mmdvm_gid = user->pw_gid;
// Set user and group ID's to mmdvm:mmdvm
if (setgid(mmdvm_gid) != 0) {
::fprintf(stderr, "Could not set mmdvm GID, exiting\n");
return -1;
}
if (setuid(mmdvm_uid) != 0) {
::fprintf(stderr, "Could not set mmdvm UID, exiting\n");
return -1;
}
// Double check it worked (AKA Paranoia)
if (setuid(0) != -1) {
::fprintf(stderr, "It's possible to regain root - something is wrong!, exiting\n");
return -1;
}
}
}
#endif
ret = ::LogInitialise(m_conf.getLogFilePath(), m_conf.getLogFileRoot(), m_conf.getLogFileLevel(), logDisplayLevel);
if (!ret) {
::fprintf(stderr, "YSF2DMR: unable to open the log file\n");
return 1;
}
#if !defined(_WIN32) && !defined(_WIN64)
if (m_daemon) {
::close(STDIN_FILENO);
::close(STDOUT_FILENO);
::close(STDERR_FILENO);
}
#endif
LogInfo(HEADER1);
LogInfo(HEADER2);
LogInfo(HEADER3);
LogInfo(HEADER4);
m_callsign = m_conf.getCallsign();
m_suffix = m_conf.getSuffix();
m_remoteGateway = m_conf.getRemoteGateway();
m_hangTime = m_conf.getHangTime();
bool debug = m_conf.getDMRNetworkDebug();
in_addr dstAddress = CUDPSocket::lookup(m_conf.getDstAddress());
unsigned int dstPort = m_conf.getDstPort();
std::string localAddress = m_conf.getLocalAddress();
unsigned int localPort = m_conf.getLocalPort();
std::string fileName = m_conf.getDMRXLXFile();
m_xlxReflectors = new CReflectors(fileName, 60U);
m_xlxReflectors->load();
m_ysfNetwork = new CYSFNetwork(localAddress, localPort, m_callsign, debug);
m_ysfNetwork->setDestination(dstAddress, dstPort);
LogInfo("General Parameters");
LogInfo(" Remote Gateway: %s", m_remoteGateway ? "yes" : "no");
LogInfo(" Hang Time: %u ms", m_hangTime);
ret = m_ysfNetwork->open();
if (!ret) {
::LogError("Cannot open the YSF network port");
::LogFinalise();
return 1;
}
ret = createDMRNetwork();
if (!ret) {
::LogError("Cannot open DMR Network");
::LogFinalise();
return 1;
}
std::string lookupFile = m_conf.getDMRIdLookupFile();
unsigned int reloadTime = m_conf.getDMRIdLookupTime();
m_lookup = new CDMRLookup(lookupFile, reloadTime);
m_lookup->read();
if (m_dmrpc)
m_dmrflco = FLCO_USER_USER;
else
m_dmrflco = FLCO_GROUP;
CTimer networkWatchdog(100U, 0U, 1500U);
CTimer pollTimer(1000U, 5U);
CTimer ysfWatchdog(1000U, 0U, 500U);
// CWiresX Control Object
if (m_enableWiresX) {
bool makeUpper = m_conf.getWiresXMakeUpper();
m_wiresX = new CWiresX(m_callsign, m_suffix, m_ysfNetwork, m_TGList, makeUpper);
m_dtmf = new CDTMF;
}
std::string name = m_conf.getDescription();
unsigned int rxFrequency = m_conf.getRxFrequency();
unsigned int txFrequency = m_conf.getTxFrequency();
int reflector = m_conf.getDMRDstId();
if (m_wiresX != NULL)
m_wiresX->setInfo(name, txFrequency, rxFrequency, reflector);
if (m_conf.getAPRSEnabled()) {
createGPS();
m_APRS = new CAPRSReader(m_conf.getAPRSAPIKey(), m_conf.getAPRSRefresh());
}
CStopWatch TGChange;
CStopWatch stopWatch;
CStopWatch ysfWatch;
CStopWatch dmrWatch;
stopWatch.start();
ysfWatch.start();
dmrWatch.start();
pollTimer.start();
ysfWatchdog.stop();
unsigned char ysf_cnt = 0;
unsigned char dmr_cnt = 0;
LogMessage("Starting YSF2DMR-%s", VERSION);
bool enableUnlink = m_conf.getDMRNetworkEnableUnlink();
bool unlinkReceived = false;
TG_STATUS TG_connect_state = NONE;
unsigned char gps_buffer[20U];
unsigned int tglistOpt = 0;
for (; end == 0;) {
unsigned char buffer[2000U];
CDMRData tx_dmrdata;
unsigned int ms = stopWatch.elapsed();
if (m_dmrNetwork->isConnected() && !m_xlxmodule.empty() && !m_xlxConnected) {
writeXLXLink(m_srcid, m_dstid, m_dmrNetwork);
LogMessage("XLX, Linking to reflector XLX%03u, module %s", m_xlxrefl, m_xlxmodule.c_str());
m_xlxConnected = true;
}
if (m_wiresX != NULL) {
switch (TG_connect_state) {
case WAITING_UNLINK:
if (unlinkReceived) {
//LogMessage("Unlink Received");
TGChange.start();
TG_connect_state = SEND_REPLY;
unlinkReceived = false;
}
break;
case SEND_REPLY:
if (TGChange.elapsed() > 600) {
TGChange.start();
TG_connect_state = SEND_PTT;
m_wiresX->sendConnectReply(m_dstid);
}
break;
case SEND_PTT:
if (TGChange.elapsed() > 600) {
TGChange.start();
TG_connect_state = NONE;
if (m_ptt_dstid) {
LogMessage("Sending PTT: Src: %s Dst: %s%d", m_ysfSrc.c_str(), m_ptt_pc ? "" : "TG ", m_ptt_dstid);
SendDummyDMR(m_srcid, m_ptt_dstid, m_ptt_pc ? FLCO_USER_USER : FLCO_GROUP);
}
}
break;
default:
break;
}
if ((TG_connect_state != NONE) && (TGChange.elapsed() > 12000)) {
LogMessage("Timeout changing TG");
TG_connect_state = NONE;
}
}
while (m_ysfNetwork->read(buffer) > 0U) {
CYSFFICH fich;
bool valid = fich.decode(buffer + 35U);
if (valid) {
unsigned char fi = fich.getFI();
unsigned char dt = fich.getDT();
unsigned char fn = fich.getFN();
unsigned char ft = fich.getFT();
if (m_wiresX != NULL) {
WX_STATUS status = m_wiresX->process(buffer + 35U, buffer + 14U, fi, dt, fn, ft);
m_ysfSrc = getSrcYSF(buffer);
switch (status) {
case WXS_CONNECT:
m_srcid = findYSFID(m_ysfSrc, false);
m_ptt_dstid = m_wiresX->getDstID();
tglistOpt = m_wiresX->getOpt(m_ptt_dstid);
switch (tglistOpt) {
case 0:
m_ptt_pc = false;
m_dstid = m_wiresX->getFullDstID();
m_ptt_dstid = m_dstid;
m_dmrflco = FLCO_GROUP;
LogMessage("Connect to TG %d has been requested by %s", m_dstid, m_ysfSrc.c_str());
break;
case 1:
m_ptt_pc = true;
m_dstid = 9U;
m_dmrflco = FLCO_GROUP;
LogMessage("Connect to REF %d has been requested by %s", m_ptt_dstid, m_ysfSrc.c_str());
break;
case 2:
m_ptt_dstid = 0;
m_ptt_pc = true;
m_dstid = m_wiresX->getFullDstID();
m_dmrflco = FLCO_USER_USER;
LogMessage("Connect to %d has been requested by %s", m_dstid, m_ysfSrc.c_str());
break;
default:
m_ptt_pc = false;
m_dstid = m_wiresX->getFullDstID();
m_ptt_dstid = m_dstid;
m_dmrflco = FLCO_GROUP;
LogMessage("Connect to TG %d has been requested by %s", m_dstid, m_ysfSrc.c_str());
break;
}
if (enableUnlink && (tglistOpt != 2) && (m_ptt_dstid != m_idUnlink) && (m_ptt_dstid != 5000)) {
LogMessage("Sending DMR Disconnect: Src: %s Dst: %s%d", m_ysfSrc.c_str(), m_flcoUnlink == FLCO_GROUP ? "TG " : "", m_idUnlink);
SendDummyDMR(m_srcid, m_idUnlink, m_flcoUnlink);
unlinkReceived = false;
TG_connect_state = WAITING_UNLINK;
} else
TG_connect_state = SEND_REPLY;
TGChange.start();
break;
case WXS_DX:
break;
case WXS_DISCONNECT:
LogMessage("Disconnect has been requested by %s", m_ysfSrc.c_str());
m_srcid = findYSFID(m_ysfSrc, false);
m_ptt_dstid = 9U;
m_ptt_pc = false;
m_dstid = 9U;
m_dmrflco = FLCO_GROUP;
SendDummyDMR(m_srcid, m_idUnlink, m_flcoUnlink);
TG_connect_state = WAITING_UNLINK;
TGChange.start();
break;
default:
break;
}
status = WXS_NONE;
if (dt == YSF_DT_VD_MODE2)
status = m_dtmf->decodeVDMode2(buffer + 35U, (buffer[34U] & 0x01U) == 0x01U);
switch (status) {
case WXS_CONNECT:
m_srcid = findYSFID(m_ysfSrc, false);
m_ptt_dstid = m_dtmf->getDstID();
tglistOpt = m_wiresX->getOpt(m_ptt_dstid);
switch (tglistOpt) {
case 0:
m_ptt_pc = false;
m_dstid = m_wiresX->getFullDstID();
m_ptt_dstid = m_dstid;
m_dmrflco = FLCO_GROUP;
LogMessage("Connect to TG %d has been requested by %s", m_dstid, m_ysfSrc.c_str());
break;
case 1:
m_ptt_pc = true;
m_dstid = 9U;
m_dmrflco = FLCO_GROUP;
LogMessage("Connect to REF %d has been requested by %s", m_ptt_dstid, m_ysfSrc.c_str());
break;
case 2:
m_ptt_dstid = 0;
m_ptt_pc = true;
m_dstid = m_wiresX->getFullDstID();
m_dmrflco = FLCO_USER_USER;
LogMessage("Connect to %d has been requested by %s", m_dstid, m_ysfSrc.c_str());
break;
default:
m_ptt_pc = false;
m_dstid = m_wiresX->getFullDstID();
m_ptt_dstid = m_dstid;
m_dmrflco = FLCO_GROUP;
LogMessage("Connect to TG %d has been requested by %s", m_dstid, m_ysfSrc.c_str());
break;
}
LogMessage("Connect to %s%d via DTMF has been requested by %s", m_ptt_pc ? "" : "TG ", m_ptt_dstid, m_ysfSrc.c_str());
if (enableUnlink && (tglistOpt != 2) && (m_ptt_dstid != m_idUnlink) && (m_ptt_dstid != 5000)) {
LogMessage("Sending DMR Disconnect: Src: %s Dst: %s%d", m_ysfSrc.c_str(), m_flcoUnlink == FLCO_GROUP ? "TG " : "", m_idUnlink);
SendDummyDMR(m_srcid, m_idUnlink, m_flcoUnlink);
unlinkReceived = false;
TG_connect_state = WAITING_UNLINK;
} else
TG_connect_state = SEND_REPLY;
TGChange.start();
break;
case WXS_DISCONNECT:
LogMessage("Disconnect via DTMF has been requested by %s", m_ysfSrc.c_str());
m_srcid = findYSFID(m_ysfSrc, false);
m_ptt_dstid = 9U;
m_ptt_pc = false;
m_dstid = 9U;
m_dmrflco = FLCO_GROUP;
SendDummyDMR(m_srcid, m_idUnlink, m_flcoUnlink);
TG_connect_state = WAITING_UNLINK;
TGChange.start();
break;
default:
break;
}
}
if ((::memcmp(buffer, "YSFD", 4U) == 0U) && (dt == YSF_DT_VD_MODE2)) {
CYSFPayload ysfPayload;
if (fi == YSF_FI_HEADER) {
if (ysfPayload.processHeaderData(buffer + 35U)) {
ysfWatchdog.start();
std::string ysfSrc = ysfPayload.getSource();
std::string ysfDst = ysfPayload.getDest();
LogMessage("Received YSF Header: Src: %s Dst: %s", ysfSrc.c_str(), ysfDst.c_str());
m_dmrNetwork->reset(2U); // OE1KBC fix
m_srcid = findYSFID(ysfSrc, true);
m_conv.putYSFHeader();
m_ysfFrames = 0U;
}
} else if (fi == YSF_FI_TERMINATOR) {
ysfWatchdog.stop();
int extraFrames = (m_hangTime / 100U) - m_ysfFrames - 2U;
for (int i = 0U; i < extraFrames; i++)
m_conv.putDummyYSF();
LogMessage("YSF received end of voice transmission, %.1f seconds", float(m_ysfFrames) / 10.0F);
m_conv.putYSFEOT();
m_ysfFrames = 0U;
} else if (fi == YSF_FI_COMMUNICATIONS) {
ysfWatchdog.start();
m_conv.putYSF(buffer + 35U);
m_ysfFrames++;
}
}
if (m_gps != NULL)
m_gps->data(buffer + 14U, buffer + 35U, fi, dt, fn, ft, m_dstid);
}
if ((buffer[34U] & 0x01U) == 0x01U) {
if (m_gps != NULL)
m_gps->reset();
if (m_dtmf != NULL)
m_dtmf->reset();
}
}
if (dmrWatch.elapsed() > DMR_FRAME_PER) {
unsigned int dmrFrameType = m_conv.getDMR(m_dmrFrame);
if(dmrFrameType == TAG_HEADER) {
CDMRData rx_dmrdata;
dmr_cnt = 0U;
rx_dmrdata.setSlotNo(2U);
rx_dmrdata.setSrcId(m_srcid);
rx_dmrdata.setDstId(m_dstid);
rx_dmrdata.setFLCO(m_dmrflco);
rx_dmrdata.setN(0U);
rx_dmrdata.setSeqNo(0U);
rx_dmrdata.setBER(0U);
rx_dmrdata.setRSSI(0U);
rx_dmrdata.setDataType(DT_VOICE_LC_HEADER);
// Add sync
CSync::addDMRDataSync(m_dmrFrame, 0);
// Add SlotType
CDMRSlotType slotType;
slotType.setColorCode(m_colorcode);
slotType.setDataType(DT_VOICE_LC_HEADER);
slotType.getData(m_dmrFrame);
// Full LC
CDMRLC dmrLC = CDMRLC(m_dmrflco, m_srcid, m_dstid);
CDMRFullLC fullLC;
fullLC.encode(dmrLC, m_dmrFrame, DT_VOICE_LC_HEADER);
m_EmbeddedLC.setLC(dmrLC);
rx_dmrdata.setData(m_dmrFrame);
//CUtils::dump(1U, "DMR data:", m_dmrFrame, 33U);
for (unsigned int i = 0U; i < 3U; i++) {
rx_dmrdata.setSeqNo(dmr_cnt);
m_dmrNetwork->write(rx_dmrdata);
dmr_cnt++;
}
dmrWatch.start();
}
else if(dmrFrameType == TAG_EOT) {
CDMRData rx_dmrdata;
unsigned int n_dmr = (dmr_cnt - 3U) % 6U;
unsigned int fill = (6U - n_dmr);
if (n_dmr) {
for (unsigned int i = 0U; i < fill; i++) {
CDMREMB emb;
CDMRData rx_dmrdata;
rx_dmrdata.setSlotNo(2U);
rx_dmrdata.setSrcId(m_srcid);
rx_dmrdata.setDstId(m_dstid);
rx_dmrdata.setFLCO(m_dmrflco);
rx_dmrdata.setN(n_dmr);
rx_dmrdata.setSeqNo(dmr_cnt);
rx_dmrdata.setBER(0U);
rx_dmrdata.setRSSI(0U);
rx_dmrdata.setDataType(DT_VOICE);
::memcpy(m_dmrFrame, DMR_SILENCE_DATA, DMR_FRAME_LENGTH_BYTES);
// Generate the Embedded LC
unsigned char lcss = m_EmbeddedLC.getData(m_dmrFrame, n_dmr);
// Generate the EMB
emb.setColorCode(m_colorcode);
emb.setLCSS(lcss);
emb.getData(m_dmrFrame);
rx_dmrdata.setData(m_dmrFrame);
//CUtils::dump(1U, "DMR data:", m_dmrFrame, 33U);
m_dmrNetwork->write(rx_dmrdata);
n_dmr++;
dmr_cnt++;
}
}
rx_dmrdata.setSlotNo(2U);
rx_dmrdata.setSrcId(m_srcid);
rx_dmrdata.setDstId(m_dstid);
rx_dmrdata.setFLCO(m_dmrflco);
rx_dmrdata.setN(n_dmr);
rx_dmrdata.setSeqNo(dmr_cnt);
rx_dmrdata.setBER(0U);
rx_dmrdata.setRSSI(0U);
rx_dmrdata.setDataType(DT_TERMINATOR_WITH_LC);
// Add sync
CSync::addDMRDataSync(m_dmrFrame, 0);
// Add SlotType
CDMRSlotType slotType;
slotType.setColorCode(m_colorcode);
slotType.setDataType(DT_TERMINATOR_WITH_LC);
slotType.getData(m_dmrFrame);
// Full LC
CDMRLC dmrLC = CDMRLC(m_dmrflco, m_srcid, m_dstid);
CDMRFullLC fullLC;
fullLC.encode(dmrLC, m_dmrFrame, DT_TERMINATOR_WITH_LC);
rx_dmrdata.setData(m_dmrFrame);
//CUtils::dump(1U, "DMR data:", m_dmrFrame, 33U);
m_dmrNetwork->write(rx_dmrdata);
dmrWatch.start();
}
else if(dmrFrameType == TAG_DATA) {
CDMREMB emb;
CDMRData rx_dmrdata;
unsigned int n_dmr = (dmr_cnt - 3U) % 6U;
rx_dmrdata.setSlotNo(2U);
rx_dmrdata.setSrcId(m_srcid);
rx_dmrdata.setDstId(m_dstid);
rx_dmrdata.setFLCO(m_dmrflco);
rx_dmrdata.setN(n_dmr);
rx_dmrdata.setSeqNo(dmr_cnt);
rx_dmrdata.setBER(0U);
rx_dmrdata.setRSSI(0U);
if (!n_dmr) {
rx_dmrdata.setDataType(DT_VOICE_SYNC);
// Add sync
CSync::addDMRAudioSync(m_dmrFrame, 0U);
// Prepare Full LC data
CDMRLC dmrLC = CDMRLC(m_dmrflco, m_srcid, m_dstid);
// Configure the Embedded LC
m_EmbeddedLC.setLC(dmrLC);
}
else {
rx_dmrdata.setDataType(DT_VOICE);
// Generate the Embedded LC
unsigned char lcss = m_EmbeddedLC.getData(m_dmrFrame, n_dmr);
// Generate the EMB
emb.setColorCode(m_colorcode);
emb.setLCSS(lcss);
emb.getData(m_dmrFrame);
}
rx_dmrdata.setData(m_dmrFrame);
//CUtils::dump(1U, "DMR data:", m_dmrFrame, 33U);
m_dmrNetwork->write(rx_dmrdata);
dmr_cnt++;
dmrWatch.start();
}
}
while (m_dmrNetwork->read(tx_dmrdata) > 0U) {
unsigned int SrcId = tx_dmrdata.getSrcId();
unsigned int DstId = tx_dmrdata.getDstId();
FLCO netflco = tx_dmrdata.getFLCO();
unsigned char DataType = tx_dmrdata.getDataType();
if (!tx_dmrdata.isMissing()) {
networkWatchdog.start();
if(DataType == DT_TERMINATOR_WITH_LC) {
if (m_dmrFrames == 0U) {
m_dmrNetwork->reset(2U);
networkWatchdog.stop();
m_dmrinfo = false;
m_firstSync = false;
break;
}
LogMessage("DMR received end of voice transmission, %.1f seconds", float(m_dmrFrames) / 16.667F);
if (SrcId == 4000)
unlinkReceived = true;
m_conv.putDMREOT();
m_dmrNetwork->reset(2U);
networkWatchdog.stop();
m_dmrFrames = 0U;
m_dmrinfo = false;
m_firstSync = false;
}
if((DataType == DT_VOICE_LC_HEADER) && (DataType != m_dmrLastDT)) {
// DT1 & DT2 without GPS info
::memcpy(gps_buffer, dt1_temp, 10U);
::memcpy(gps_buffer + 10U, dt2_temp, 10U);
if (SrcId == 9990U)
m_netSrc = "PARROT";
else if (SrcId == 9U)
m_netSrc = "LOCAL";
else if (SrcId == 4000U)
m_netSrc = "UNLINK";
else
m_netSrc = m_lookup->findCS(SrcId);
m_netDst = (netflco == FLCO_GROUP ? "TG " : "") + m_lookup->findCS(DstId);
m_conv.putDMRHeader();
LogMessage("DMR audio received from %s to %s", m_netSrc.c_str(), m_netDst.c_str());
m_dmrinfo = true;
if (m_lookup->exists(SrcId) && (m_APRS != NULL)) {
int lat, lon, resp;
resp = m_APRS->findCall(m_netSrc, &lat, &lon);
//LogMessage("Searching GPS Position of %s in aprs.fi", m_netSrc.c_str());
if (resp) {
LogMessage("GPS Position of %s Lat: %0.3f, Lon: %0.3f", m_netSrc.c_str(), (float)lat / 1000.0, (float)lon / 1000.0);
m_APRS->formatGPS(gps_buffer, lat, lon);
}
// else
// LogMessage("GPS Position not available");
}
m_netSrc.resize(YSF_CALLSIGN_LENGTH, ' ');
m_netDst.resize(YSF_CALLSIGN_LENGTH, ' ');
m_dmrFrames = 0U;
m_firstSync = false;
}
if(DataType == DT_VOICE_SYNC)
m_firstSync = true;
if((DataType == DT_VOICE_SYNC || DataType == DT_VOICE) && m_firstSync) {
unsigned char dmr_frame[50];
tx_dmrdata.getData(dmr_frame);
if (!m_dmrinfo) {
if (SrcId == 9990U)
m_netSrc = "PARROT";
else if (SrcId == 9U)
m_netSrc = "LOCAL";
else if (SrcId == 4000U)
m_netSrc = "UNLINK";
else
m_netSrc = m_lookup->findCS(SrcId);
m_netDst = (netflco == FLCO_GROUP ? "TG " : "") + m_lookup->findCS(DstId);
LogMessage("DMR audio late entry received from %s to %s", m_netSrc.c_str(), m_netDst.c_str());
if (m_lookup->exists(SrcId) && (m_APRS != NULL)) {
int lat, lon, resp;
resp = m_APRS->findCall(m_netSrc, &lat, &lon);
//LogMessage("Searching GPS Position of %s in aprs.fi", m_netSrc.c_str());
if (resp) {
LogMessage("GPS Position of %s Lat: %0.3f, Lon: %0.3f", m_netSrc.c_str(), (float)lat / 1000.0, (float)lon / 1000.0);
m_APRS->formatGPS(gps_buffer, lat, lon);
}
// else
// LogMessage("GPS Position not available");
}
m_netSrc.resize(YSF_CALLSIGN_LENGTH, ' ');
m_netDst.resize(YSF_CALLSIGN_LENGTH, ' ');
m_dmrinfo = true;
}
m_conv.putDMR(dmr_frame); // Add DMR frame for YSF conversion
m_dmrFrames++;
}
}
else {
if(DataType == DT_VOICE_SYNC || DataType == DT_VOICE) {
unsigned char dmr_frame[50];
tx_dmrdata.getData(dmr_frame);
m_conv.putDMR(dmr_frame); // Add DMR frame for YSF conversion
m_dmrFrames++;
}
networkWatchdog.clock(ms);
if (networkWatchdog.hasExpired()) {
LogDebug("Network watchdog has expired, %.1f seconds", float(m_dmrFrames) / 16.667F);
m_dmrNetwork->reset(2U);
networkWatchdog.stop();
m_dmrFrames = 0U;
m_dmrinfo = false;
}
}
m_dmrLastDT = DataType;
}
if (ysfWatch.elapsed() > YSF_FRAME_PER) {
unsigned int ysfFrameType = m_conv.getYSF(m_ysfFrame + 35U);
if(ysfFrameType == TAG_HEADER) {
ysf_cnt = 0U;
::memcpy(m_ysfFrame + 0U, "YSFD", 4U);
::memcpy(m_ysfFrame + 4U, m_ysfNetwork->getCallsign().c_str(), YSF_CALLSIGN_LENGTH);
::memcpy(m_ysfFrame + 14U, m_netSrc.c_str(), YSF_CALLSIGN_LENGTH);
::memcpy(m_ysfFrame + 24U, "ALL ", YSF_CALLSIGN_LENGTH);
m_ysfFrame[34U] = 0U; // Net frame counter
CSync::addYSFSync(m_ysfFrame + 35U);
// Set the FICH
CYSFFICH fich;
fich.setFI(YSF_FI_HEADER);
fich.setCS(2U);
fich.setFN(0U);
fich.setFT(7U);
fich.setDev(0U);
fich.setDT(YSF_DT_VD_MODE2);
fich.setSQL(false);
fich.setSQ(0U);
fich.setMR(2U);
if (m_remoteGateway) {
fich.setVoIP(false);
fich.setMR(YSF_MR_DIRECT);
} else {
fich.setVoIP(true);
fich.setMR(YSF_MR_BUSY);
}
fich.encode(m_ysfFrame + 35U);
unsigned char csd1[20U], csd2[20U];
memset(csd1, '*', YSF_CALLSIGN_LENGTH);
memcpy(csd1 + YSF_CALLSIGN_LENGTH, m_netSrc.c_str(), YSF_CALLSIGN_LENGTH);
memset(csd2, ' ', YSF_CALLSIGN_LENGTH + YSF_CALLSIGN_LENGTH);
CYSFPayload payload;
payload.writeHeader(m_ysfFrame + 35U, csd1, csd2);
m_ysfNetwork->write(m_ysfFrame);
ysf_cnt++;
ysfWatch.start();
}
else if (ysfFrameType == TAG_EOT) {
::memcpy(m_ysfFrame + 0U, "YSFD", 4U);
::memcpy(m_ysfFrame + 4U, m_ysfNetwork->getCallsign().c_str(), YSF_CALLSIGN_LENGTH);
::memcpy(m_ysfFrame + 14U, m_netSrc.c_str(), YSF_CALLSIGN_LENGTH);
::memcpy(m_ysfFrame + 24U, "ALL ", YSF_CALLSIGN_LENGTH);
m_ysfFrame[34U] = ysf_cnt; // Net frame counter
CSync::addYSFSync(m_ysfFrame + 35U);
// Set the FICH
CYSFFICH fich;
fich.setFI(YSF_FI_TERMINATOR);
fich.setCS(2U);
fich.setFN(0U);
fich.setFT(7U);
fich.setDev(0U);
fich.setDT(YSF_DT_VD_MODE2);
fich.setSQL(false);
fich.setSQ(0U);
fich.setMR(2U);
if (m_remoteGateway) {
fich.setVoIP(false);
fich.setMR(YSF_MR_DIRECT);
} else {
fich.setVoIP(true);
fich.setMR(YSF_MR_BUSY);
}
fich.encode(m_ysfFrame + 35U);
unsigned char csd1[20U], csd2[20U];
memset(csd1, '*', YSF_CALLSIGN_LENGTH);
memcpy(csd1 + YSF_CALLSIGN_LENGTH, m_netSrc.c_str(), YSF_CALLSIGN_LENGTH);
memset(csd2, ' ', YSF_CALLSIGN_LENGTH + YSF_CALLSIGN_LENGTH);
CYSFPayload payload;
payload.writeHeader(m_ysfFrame + 35U, csd1, csd2);
m_ysfNetwork->write(m_ysfFrame);
}
else if (ysfFrameType == TAG_DATA) {
CYSFFICH fich;
CYSFPayload ysfPayload;
unsigned int fn = (ysf_cnt - 1U) % 8U;
::memcpy(m_ysfFrame + 0U, "YSFD", 4U);
::memcpy(m_ysfFrame + 4U, m_ysfNetwork->getCallsign().c_str(), YSF_CALLSIGN_LENGTH);
::memcpy(m_ysfFrame + 14U, m_netSrc.c_str(), YSF_CALLSIGN_LENGTH);
::memcpy(m_ysfFrame + 24U, "ALL ", YSF_CALLSIGN_LENGTH);
// Add the YSF Sync
CSync::addYSFSync(m_ysfFrame + 35U);
switch (fn) {
case 0:
ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, (const unsigned char*)"**********");
break;
case 1:
ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, (const unsigned char*)m_netSrc.c_str());
break;
case 2:
ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, (const unsigned char*)m_netDst.c_str());
break;
case 6:
ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, gps_buffer);
break;
case 7:
ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, gps_buffer+10U);
break;
default:
ysfPayload.writeVDMode2Data(m_ysfFrame + 35U, (const unsigned char*)" ");
}
// Set the FICH
fich.setFI(YSF_FI_COMMUNICATIONS);
fich.setCS(2U);
fich.setFN(fn);
fich.setFT(7U);
fich.setDev(0U);
fich.setDT(YSF_DT_VD_MODE2);
fich.setSQL(false);
fich.setSQ(0U);
if (m_remoteGateway) {
fich.setVoIP(false);
fich.setMR(YSF_MR_DIRECT);
} else {
fich.setVoIP(true);
fich.setMR(YSF_MR_BUSY);
}
fich.encode(m_ysfFrame + 35U);
// Net frame counter
m_ysfFrame[34U] = (ysf_cnt & 0x7FU) << 1;
// Send data to MMDVMHost
m_ysfNetwork->write(m_ysfFrame);
ysf_cnt++;
ysfWatch.start();
}
}
stopWatch.start();
m_ysfNetwork->clock(ms);
m_dmrNetwork->clock(ms);
if (m_wiresX != NULL)
m_wiresX->clock(ms);
if (m_gps != NULL)
m_gps->clock(ms);
pollTimer.clock(ms);
if (pollTimer.isRunning() && pollTimer.hasExpired()) {
m_ysfNetwork->writePoll();
pollTimer.start();
}
ysfWatchdog.clock(ms);
if (ysfWatchdog.isRunning() && ysfWatchdog.hasExpired()) {
int extraFrames = (m_hangTime / 100U) - m_ysfFrames;
for (int i = 0U; i < extraFrames; i++)
m_conv.putDummyYSF();
ysfWatchdog.stop();
}
if (m_xlxReflectors != NULL)
m_xlxReflectors->clock(ms);
if (ms < 5U)
CThread::sleep(5U);
}
m_ysfNetwork->close();
m_dmrNetwork->close();
if (m_APRS != NULL) {
m_APRS->stop();
delete m_APRS;
}
if (m_gps != NULL) {
m_gps->close();
delete m_gps;
}
delete m_dmrNetwork;
delete m_ysfNetwork;
if (m_wiresX != NULL) {
delete m_wiresX;
delete m_dtmf;
}
if (m_xlxReflectors != NULL)
delete m_xlxReflectors;
::LogFinalise();
return 0;
}
void CYSF2DMR::createGPS()
{
std::string hostname = m_conf.getAPRSServer();
unsigned int port = m_conf.getAPRSPort();
std::string password = m_conf.getAPRSPassword();
std::string callsign = m_conf.getAPRSCallsign();
std::string desc = m_conf.getAPRSDescription();
if (callsign.empty())
callsign = m_callsign;
LogMessage("APRS Parameters");
LogMessage(" Callsign: %s", callsign.c_str());
LogMessage(" Server: %s", hostname.c_str());
LogMessage(" Port: %u", port);
LogMessage(" Passworwd: %s", password.c_str());
LogMessage(" Description: %s", desc.c_str());
m_gps = new CGPS(callsign, m_suffix, password, hostname, port);
unsigned int txFrequency = m_conf.getTxFrequency();
unsigned int rxFrequency = m_conf.getRxFrequency();
float latitude = m_conf.getLatitude();
float longitude = m_conf.getLongitude();
int height = m_conf.getHeight();
m_gps->setInfo(txFrequency, rxFrequency, latitude, longitude, height, desc);
bool ret = m_gps->open();
if (!ret) {
delete m_gps;
LogMessage("Error starting GPS");
m_gps = NULL;
}
}
void CYSF2DMR::SendDummyDMR(unsigned int srcid,unsigned int dstid, FLCO dmr_flco)
{
CDMRData dmrdata;
CDMRSlotType slotType;
CDMRFullLC fullLC;
int dmr_cnt = 0U;
// Generate DMR LC for header and TermLC frames
CDMRLC dmrLC = CDMRLC(dmr_flco, srcid, dstid);
// Build DMR header
dmrdata.setSlotNo(2U);
dmrdata.setSrcId(srcid);
dmrdata.setDstId(dstid);
dmrdata.setFLCO(dmr_flco);
dmrdata.setN(0U);
dmrdata.setSeqNo(0U);
dmrdata.setBER(0U);
dmrdata.setRSSI(0U);
dmrdata.setDataType(DT_VOICE_LC_HEADER);
// Add sync
CSync::addDMRDataSync(m_dmrFrame, 0);
// Add SlotType
slotType.setColorCode(m_colorcode);
slotType.setDataType(DT_VOICE_LC_HEADER);
slotType.getData(m_dmrFrame);
// Full LC
fullLC.encode(dmrLC, m_dmrFrame, DT_VOICE_LC_HEADER);
dmrdata.setData(m_dmrFrame);
// Send DMR header
for (unsigned int i = 0U; i < 3U; i++) {
dmrdata.setSeqNo(dmr_cnt);
m_dmrNetwork->write(dmrdata);
dmr_cnt++;
}
// Build DMR TermLC
dmrdata.setSeqNo(dmr_cnt);
dmrdata.setDataType(DT_TERMINATOR_WITH_LC);
// Add sync
CSync::addDMRDataSync(m_dmrFrame, 0);
// Add SlotType
slotType.setColorCode(m_colorcode);
slotType.setDataType(DT_TERMINATOR_WITH_LC);
slotType.getData(m_dmrFrame);
// Full LC for TermLC frame
fullLC.encode(dmrLC, m_dmrFrame, DT_TERMINATOR_WITH_LC);
dmrdata.setData(m_dmrFrame);
// Send DMR TermLC
m_dmrNetwork->write(dmrdata);
}
unsigned int CYSF2DMR::findYSFID(std::string cs, bool showdst)
{
std::string cstrim;
bool dmrpc = false;
int first = cs.find_first_not_of(' ');
int mid1 = cs.find_last_of('-');
int mid2 = cs.find_last_of('/');
int last = cs.find_last_not_of(' ');
if (mid1 == -1 && mid2 == -1 && first == -1 && last == -1)
cstrim = "N0CALL";
else if (mid1 == -1 && mid2 == -1)
cstrim = cs.substr(first, (last - first + 1));
else if (mid1 > first)
cstrim = cs.substr(first, (mid1 - first));
else if (mid2 > first)
cstrim = cs.substr(first, (mid2 - first));
else
cstrim = "N0CALL";
unsigned int id = m_lookup->findID(cstrim);
if (m_dmrflco == FLCO_USER_USER)
dmrpc = true;
else if (m_dmrflco == FLCO_GROUP)
dmrpc = false;
if (id == 0) {
id = m_defsrcid;
if (showdst)
LogMessage("Not DMR ID found, using default ID: %u, DstID: %s%u", id, dmrpc ? "" : "TG ", m_dstid);
else
LogMessage("Not DMR ID found, using default ID: %u", id);
}
else {
if (showdst)
LogMessage("DMR ID of %s: %u, DstID: %s%u", cstrim.c_str(), id, dmrpc ? "" : "TG ", m_dstid);
else
LogMessage("DMR ID of %s: %u", cstrim.c_str(), id);
}
return id;
}
std::string CYSF2DMR::getSrcYSF(const unsigned char* buffer)
{
unsigned char temp[YSF_CALLSIGN_LENGTH + 1U];
::memcpy(temp, buffer + 14U, YSF_CALLSIGN_LENGTH);
temp[YSF_CALLSIGN_LENGTH] = 0U;
std::string trimmed = reinterpret_cast<char const*>(temp);
trimmed.erase(std::find_if(trimmed.rbegin(), trimmed.rend(), std::not1(std::ptr_fun<int, int>(std::isspace))).base(), trimmed.end());
return trimmed;
}
bool CYSF2DMR::createDMRNetwork()
{
std::string address = m_conf.getDMRNetworkAddress();
m_xlxmodule = m_conf.getDMRXLXModule();
m_xlxrefl = m_conf.getDMRXLXReflector();
unsigned int port = m_conf.getDMRNetworkPort();
unsigned int local = m_conf.getDMRNetworkLocal();
std::string password = m_conf.getDMRNetworkPassword();
bool debug = m_conf.getDMRNetworkDebug();
unsigned int jitter = m_conf.getDMRNetworkJitter();
bool slot1 = false;
bool slot2 = true;
bool duplex = false;
HW_TYPE hwType = HWT_MMDVM;
m_srcHS = m_conf.getDMRId();
m_colorcode = 1U;
m_TGList = m_conf.getDMRTGListFile();
m_idUnlink = m_conf.getDMRNetworkIDUnlink();
bool pcUnlink = m_conf.getDMRNetworkPCUnlink();
m_enableWiresX = m_conf.getEnableWiresX();
if (m_xlxmodule.empty()) {
m_dstid = m_conf.getDMRDstId();
m_dmrpc = m_conf.getDMRPC();
}
else {
const char *xlxmod = m_xlxmodule.c_str();
m_dstid = 4000 + xlxmod[0] - 64;
m_dmrpc = 0;
CReflector* reflector = m_xlxReflectors->find(m_xlxrefl);
if (reflector == NULL)
return false;
address = reflector->m_address;
}
if (pcUnlink)
m_flcoUnlink = FLCO_USER_USER;
else
m_flcoUnlink = FLCO_GROUP;
if (m_srcHS > 99999999U)
m_defsrcid = m_srcHS / 100U;
else if (m_srcHS > 9999999U)
m_defsrcid = m_srcHS / 10U;
else
m_defsrcid = m_srcHS;
m_srcid = m_defsrcid;
bool enableUnlink = m_conf.getDMRNetworkEnableUnlink();
LogMessage("DMR Network Parameters");
LogMessage(" ID: %u", m_srcHS);
LogMessage(" Default SrcID: %u", m_defsrcid);
if (!m_xlxmodule.empty()) {
LogMessage(" XLX Reflector: %d", m_xlxrefl);
LogMessage(" XLX Module: %s (%d)", m_xlxmodule.c_str(), m_dstid);
}
else {
LogMessage(" Startup DstID: %s%u", m_dmrpc ? "" : "TG ", m_dstid);
LogMessage(" Address: %s", address.c_str());
}
LogMessage(" Port: %u", port);
LogMessage(" Send %s%u Disconect: %s", pcUnlink ? "" : "TG ", m_idUnlink, (enableUnlink) ? "Yes":"No");
LogMessage(" TGList file: %s", m_TGList.c_str());
if (local > 0U)
LogMessage(" Local: %u", local);
else
LogMessage(" Local: random");
LogMessage(" Jitter: %ums", jitter);
m_dmrNetwork = new CDMRNetwork(address, port, local, m_srcHS, password, duplex, VERSION, debug, slot1, slot2, hwType, jitter);
std::string options = m_conf.getDMRNetworkOptions();
if (!options.empty()) {
LogMessage(" Options: %s", options.c_str());
m_dmrNetwork->setOptions(options);
}
unsigned int rxFrequency = m_conf.getRxFrequency();
unsigned int txFrequency = m_conf.getTxFrequency();
unsigned int power = m_conf.getPower();
float latitude = m_conf.getLatitude();
float longitude = m_conf.getLongitude();
int height = m_conf.getHeight();
std::string location = m_conf.getLocation();
std::string description = m_conf.getDescription();
std::string url = m_conf.getURL();
LogMessage("Info Parameters");
LogMessage(" Callsign: %s", m_callsign.c_str());
LogMessage(" RX Frequency: %uHz", rxFrequency);
LogMessage(" TX Frequency: %uHz", txFrequency);
LogMessage(" Power: %uW", power);
LogMessage(" Latitude: %fdeg N", latitude);
LogMessage(" Longitude: %fdeg E", longitude);
LogMessage(" Height: %um", height);
LogMessage(" Location: \"%s\"", location.c_str());
LogMessage(" Description: \"%s\"", description.c_str());
LogMessage(" URL: \"%s\"", url.c_str());
m_dmrNetwork->setConfig(m_callsign, rxFrequency, txFrequency, power, m_colorcode, latitude, longitude, height, location, description, url);
bool ret = m_dmrNetwork->open();
if (!ret) {
delete m_dmrNetwork;
m_dmrNetwork = NULL;
return false;
}
m_dmrNetwork->enable(true);
return true;
}
void CYSF2DMR::writeXLXLink(unsigned int srcId, unsigned int dstId, CDMRNetwork* network)
{
assert(network != NULL);
unsigned int streamId = ::rand() + 1U;
CDMRData data;
data.setSlotNo(XLX_SLOT);
data.setFLCO(FLCO_USER_USER);
data.setSrcId(srcId);
data.setDstId(dstId);
data.setDataType(DT_VOICE_LC_HEADER);
data.setN(0U);
data.setStreamId(streamId);
unsigned char buffer[DMR_FRAME_LENGTH_BYTES];
CDMRLC lc;
lc.setSrcId(srcId);
lc.setDstId(dstId);
lc.setFLCO(FLCO_USER_USER);
CDMRFullLC fullLC;
fullLC.encode(lc, buffer, DT_VOICE_LC_HEADER);
CDMRSlotType slotType;
slotType.setColorCode(XLX_COLOR_CODE);
slotType.setDataType(DT_VOICE_LC_HEADER);
slotType.getData(buffer);
CSync::addDMRDataSync(buffer, true);
data.setData(buffer);
for (unsigned int i = 0U; i < 3U; i++) {
data.setSeqNo(i);
network->write(data);
}
data.setDataType(DT_TERMINATOR_WITH_LC);
fullLC.encode(lc, buffer, DT_TERMINATOR_WITH_LC);
slotType.setDataType(DT_TERMINATOR_WITH_LC);
slotType.getData(buffer);
data.setData(buffer);
for (unsigned int i = 0U; i < 2U; i++) {
data.setSeqNo(i + 3U);
network->write(data);
}
}
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