/* * Copyright (C) 2016,2017 by Jonathan Naylor G4KLX * Copyright (C) 2018 by Andy Uribe CA6JAU * * 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 "DMR2YSF.h" #if defined(_WIN32) || defined(_WIN64) #include #else #include #include #include #include #include #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}; const unsigned char CONN_RESP[] = {0x5DU, 0x41U, 0x5FU, 0x26U}; #define DMR_FRAME_PER 55U #define YSF_FRAME_PER 90U #if defined(_WIN32) || defined(_WIN64) const char* DEFAULT_INI_FILE = "DMR2YSF.ini"; #else const char* DEFAULT_INI_FILE = "/etc/DMR2YSF.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 by CA6JAU, G4KLX and others"; #include #include #include #include #include #include #include static bool m_killed = false; #if !defined(_WIN32) && !defined(_WIN64) void sig_handler(int signo) { if (signo == SIGTERM) { m_killed = true; ::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, "DMR2YSF version %s\n", VERSION); return 0; } else if (arg.substr(0, 1) == "-") { ::fprintf(stderr, "Usage: DMR2YSF [-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 CDMR2YSF* gateway = new CDMR2YSF(std::string(iniFile)); int ret = gateway->run(); delete gateway; return ret; } CDMR2YSF::CDMR2YSF(const std::string& configFile) : m_callsign(), m_conf(configFile), m_dmrNetwork(NULL), m_ysfNetwork(NULL), m_conv(), m_colorcode(1U), m_srcid(1U), m_defsrcid(1U), m_dstid(1U), m_dmrpc(false), m_netSrc(), m_netDst(), m_ysfSrc(), m_dmrLastDT(0U), m_ysfFrame(NULL), m_dmrFrame(NULL), m_dmrFrames(0U), m_ysfFrames(0U), m_EmbeddedLC(), m_dmrflco(FLCO_GROUP), m_dmrinfo(false), m_config(NULL), m_configLen(0U), m_command(NULL), m_tgUnlink(4000U), m_currTGList(), m_FCSList(), m_lastTG(0U) { m_ysfFrame = new unsigned char[200U]; m_dmrFrame = new unsigned char[50U]; m_config = new unsigned char[400U]; m_command = new unsigned char[300U]; ::memset(m_ysfFrame, 0U, 200U); ::memset(m_dmrFrame, 0U, 50U); } CDMR2YSF::~CDMR2YSF() { delete[] m_ysfFrame; delete[] m_dmrFrame; delete[] m_config; delete[] m_command; } int CDMR2YSF::run() { bool ret = m_conf.read(); if (!ret) { ::fprintf(stderr, "DMR2YSF: 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, "DMR2YSF: 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 m_callsign = m_conf.getCallsign(); m_defsrcid = m_conf.getDMRId(); m_dstid = m_conf.getDMRDefaultDstTG(); m_tgUnlink = m_conf.getDMRNetworkTGUnlink(); std::string tgFile = m_conf.getDMRTGListFile(); std::string fcsFile = m_conf.getFCSFile(); LogInfo(HEADER1); LogInfo(HEADER2); LogInfo(HEADER3); LogInfo(HEADER4); LogInfo("General Parameters"); LogInfo(" Default Dst TG: %u", m_dstid); LogInfo(" Unlink TG: %u", m_tgUnlink); LogInfo(" FCS Rooms File: %s", fcsFile.c_str()); LogInfo(" TG File: %s", tgFile.c_str()); readFCSRoomsFile(fcsFile); readTGList(tgFile); 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(); unsigned int ysfdebug = m_conf.getDebug(); m_ysfNetwork = new CYSFNetwork(localAddress, localPort, m_callsign, ysfdebug); m_ysfNetwork->setDestination(dstAddress, dstPort); ret = m_ysfNetwork->open(); if (!ret) { ::LogError("Cannot open the YSF network port"); ::LogFinalise(); return 1; } ret = createMMDVM(); if (!ret) return 1; LogMessage("Waiting for MMDVM to connect....."); while (!m_killed) { m_configLen = m_dmrNetwork->getConfig(m_config); if (m_configLen > 0U && m_dmrNetwork->getId() > 1000U) break; m_dmrNetwork->clock(10U); CThread::sleep(10U); } if (m_killed) { m_dmrNetwork->close(); delete m_dmrNetwork; return 0; } LogMessage("MMDVM has connected"); 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); CStopWatch stopWatch; CStopWatch ysfWatch; CStopWatch dmrWatch; stopWatch.start(); ysfWatch.start(); dmrWatch.start(); pollTimer.start(); unsigned char ysf_cnt = 0; unsigned char dmr_cnt = 0; unsigned char gps_buffer[20U]; LogMessage("Starting DMR2YSF-%s", VERSION); for (; m_killed == 0;) { unsigned char buffer[2000U]; CDMRData tx_dmrdata; unsigned int ms = stopWatch.elapsed(); 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 (::memcmp(buffer, "YSFD", 4U) == 0U) { processWiresX(buffer + 35U, fi, dt, fn, ft); if (dt == YSF_DT_VD_MODE2) { CYSFPayload ysfPayload; if (fi == YSF_FI_HEADER) { if (ysfPayload.processHeaderData(buffer + 35U)) { 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_srcid = findYSFID(ysfSrc, true); m_conv.putYSFHeader(); m_ysfFrames = 0U; } } else if (fi == YSF_FI_TERMINATOR) { 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) { m_conv.putYSF(buffer + 35U); m_ysfFrames++; } } } } } 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 && m_dmrFrames > 0U) { LogMessage("DMR received end of voice transmission, %.1f seconds", float(m_dmrFrames) / 16.667F); networkWatchdog.stop(); m_dmrFrames = 0U; m_dmrinfo = false; if (m_dstid != m_lastTG) break; m_conv.putDMREOT(); } 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); m_netSrc = m_lookup->findCS(SrcId); m_dstid = DstId; m_netDst = (netflco == FLCO_GROUP ? "TG " : "") + m_lookup->findCS(DstId); connectYSF(m_dstid); LogMessage("DMR audio received from %s to %s", m_netSrc.c_str(), m_netDst.c_str()); m_dmrinfo = true; m_dmrFrames = 0U; m_netSrc.resize(YSF_CALLSIGN_LENGTH, ' '); m_netDst.resize(YSF_CALLSIGN_LENGTH, ' '); if (m_dstid != m_lastTG) { m_dmrLastDT = DataType; break; } m_conv.putDMRHeader(); } if(DataType == DT_VOICE_SYNC || DataType == DT_VOICE) { unsigned char dmr_frame[50]; tx_dmrdata.getData(dmr_frame); if (!m_dmrinfo) { m_netSrc = m_lookup->findCS(SrcId); m_dstid = DstId; m_netDst = (netflco == FLCO_GROUP ? "TG " : "") + m_lookup->findCS(DstId); LogMessage("DMR audio received from %s to %s", m_netSrc.c_str(), m_netDst.c_str()); m_netSrc.resize(YSF_CALLSIGN_LENGTH, ' '); m_netDst.resize(YSF_CALLSIGN_LENGTH, ' '); connectYSF(m_dstid); m_dmrinfo = true; } m_dmrFrames++; if (m_dstid != m_lastTG) break; m_conv.putDMR(dmr_frame); // Add DMR frame for YSF conversion } } else { if(DataType == DT_VOICE_SYNC || DataType == DT_VOICE) { unsigned char dmr_frame[50]; tx_dmrdata.getData(dmr_frame); m_dmrFrames++; if (m_dstid != m_lastTG) break; m_conv.putDMR(dmr_frame); // Add DMR frame for YSF conversion } networkWatchdog.clock(ms); if (networkWatchdog.hasExpired()) { LogDebug("Network watchdog has expired, %.1f seconds", float(m_dmrFrames) / 16.667F); 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.setMR(2U); fich.setDT(YSF_DT_VD_MODE2); fich.setSQL(0U); fich.setSQ(0U); 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.setMR(2U); fich.setDT(YSF_DT_VD_MODE2); fich.setSQL(0U); fich.setSQ(0U); 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.setMR(YSF_MR_BUSY); fich.setDT(YSF_DT_VD_MODE2); fich.setSQL(0U); fich.setSQ(0U); fich.encode(m_ysfFrame + 35U); // Net frame counter m_ysfFrame[34U] = (ysf_cnt & 0x7FU) << 1; // Send data m_ysfNetwork->write(m_ysfFrame); ysf_cnt++; ysfWatch.start(); } } stopWatch.start(); m_ysfNetwork->clock(ms); m_dmrNetwork->clock(ms); pollTimer.clock(ms); if (pollTimer.isRunning() && pollTimer.hasExpired()) { m_ysfNetwork->writePoll(); pollTimer.start(); } if (ms < 5U) CThread::sleep(5U); } m_ysfNetwork->close(); m_dmrNetwork->close(); delete m_dmrNetwork; delete m_ysfNetwork; ::LogFinalise(); return 0; } void CDMR2YSF::readTGList(std::string filename) { // Load file with TG List FILE* fp = ::fopen(filename.c_str(), "rt"); unsigned int count = 0U; if (fp != NULL) { char buffer[100U]; while (::fgets(buffer, 100U, fp) != NULL) { if (buffer[0U] == '#') continue; char* p1 = ::strtok(buffer, ";\r\n"); char* p2 = ::strtok(NULL, ";\r\n"); if (p1 != NULL && p2 != NULL) { CTGReg* tgreg = new CTGReg; tgreg->m_tg = atoi(p1); int ysf_id = atoi(p2); if (ysf_id) { tgreg->m_ysf = ysf_id; } else { for (std::vector::iterator it = m_FCSList.begin(); it != m_FCSList.end(); ++it) { std::string fcsname = p2; if (fcsname == (*it)->m_fcs) { LogInfo("FCS: %d, %s", (*it)->m_id, (*it)->m_fcs.c_str()); tgreg->m_ysf = (*it)->m_id; } } } m_currTGList.push_back(tgreg); count++; } } ::fclose(fp); } LogInfo("Loaded %u DMR-TG / YSF-ID pairs", count); } void CDMR2YSF::readFCSRoomsFile(const std::string& filename) { FILE* fp = ::fopen(filename.c_str(), "rt"); if (fp == NULL) return; unsigned int count = 0U; char buffer[200U]; while (::fgets(buffer, 200, fp) != NULL) { if (buffer[0U] == '#') continue; char* p1 = ::strtok(buffer, ";"); if (p1 != NULL) { CFCSReg* fcsreg = new CFCSReg; fcsreg->m_id = count + 10U; fcsreg->m_fcs = p1; m_FCSList.push_back(fcsreg); count++; } } ::fclose(fp); LogInfo("Loaded %u FCS room descriptions", count); } unsigned int CDMR2YSF::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 CDMR2YSF::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(temp); trimmed.erase(std::find_if(trimmed.rbegin(), trimmed.rend(), std::not1(std::ptr_fun(std::isspace))).base(), trimmed.end()); return trimmed; } void CDMR2YSF::connectYSF(unsigned int id) { if (id == m_lastTG) return; if (id == m_tgUnlink) sendYSFDisc(); for (std::vector::iterator it = m_currTGList.begin(); it != m_currTGList.end(); ++it) { if (id == (*it)->m_tg) { sendYSFConn((*it)->m_ysf); return; } } LogMessage("DMR TG not found in TGList"); return; } void CDMR2YSF::sendYSFConn(unsigned int id) { unsigned char data[] = {0x00U, 0x5DU, 0x23U, 0x5FU, 0x24U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x03U, 0x00U, 0x00U, 0x00U, 0x00U}; if (id > 99999U) return; sprintf((char*) (data + 5U), "%05u", id); data[16U] = CCRC::addCRC(data, 16U); // Setup net header ::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; CSync::addYSFSync(m_ysfFrame + 35U); // Set the FICH CYSFFICH fich; fich.setFI(YSF_FI_COMMUNICATIONS); fich.setCS(2U); fich.setFN(1U); fich.setFT(1U); fich.setDev(0U); fich.setMR(2U); fich.setDT(YSF_DT_DATA_FR_MODE); fich.setSQL(0U); fich.setSQ(0U); fich.encode(m_ysfFrame + 35U); CYSFPayload payload; payload.writeDataFRModeData2(data, m_ysfFrame + 35U); m_ysfNetwork->write(m_ysfFrame); LogMessage("Sending YSF connect command to reflector ID: %u", id); } void CDMR2YSF::sendYSFDisc() { unsigned char data[] = {0x00U, 0x5DU, 0x2AU, 0x5FU, 0x24U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x20U, 0x03U, 0x4DU, 0x00U, 0x00U, 0x00U}; // Setup net header ::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; CSync::addYSFSync(m_ysfFrame + 35U); // Set the FICH CYSFFICH fich; fich.setFI(YSF_FI_COMMUNICATIONS); fich.setCS(2U); fich.setFN(1U); fich.setFT(1U); fich.setDev(0U); fich.setMR(2U); fich.setDT(YSF_DT_DATA_FR_MODE); fich.setSQL(0U); fich.setSQ(0U); fich.encode(m_ysfFrame + 35U); CYSFPayload payload; payload.writeDataFRModeData2(data, m_ysfFrame + 35U); m_ysfNetwork->write(m_ysfFrame); LogMessage("Sending YSF disconnect command"); } void CDMR2YSF::processWiresX(const unsigned char* data, unsigned char fi, unsigned char dt, unsigned char fn, unsigned char ft) { assert(data != NULL); if (dt != YSF_DT_DATA_FR_MODE) return; if (fi != YSF_FI_COMMUNICATIONS) return; CYSFPayload payload; if (fn == 0U) return; if (fn == 1U) { bool valid = payload.readDataFRModeData2(data, m_command + 0U); if (!valid) return; } else { bool valid = payload.readDataFRModeData1(data, m_command + (fn - 2U) * 40U + 20U); if (!valid) return; valid = payload.readDataFRModeData2(data, m_command + (fn - 2U) * 40U + 40U); if (!valid) return; } if (fn == ft) { bool valid = false; // Find the end marker for (unsigned int i = (fn - 1U) * 40U + 20U; i > 0U; i--) { if (m_command[i] == 0x03U) { unsigned char crc = CCRC::addCRC(m_command, i + 1U); if (crc == m_command[i + 1U]) valid = true; break; } } if (!valid) return; if (::memcmp(m_command + 1U, CONN_RESP, 4U) == 0) { m_lastTG = m_dstid; LogMessage("Reflector connected OK"); return; } } return; } bool CDMR2YSF::createMMDVM() { std::string rptAddress = m_conf.getDMRRptAddress(); unsigned int rptPort = m_conf.getDMRRptPort(); std::string localAddress = m_conf.getDMRLocalAddress(); unsigned int localPort = m_conf.getDMRLocalPort(); bool debug = m_conf.getDMRDebug(); LogInfo("MMDVM Network Parameters"); LogInfo(" Rpt Address: %s", rptAddress.c_str()); LogInfo(" Rpt Port: %u", rptPort); LogInfo(" Local Address: %s", localAddress.c_str()); LogInfo(" Local Port: %u", localPort); m_dmrNetwork = new CMMDVMNetwork(rptAddress, rptPort, localAddress, localPort, debug); bool ret = m_dmrNetwork->open(); if (!ret) { delete m_dmrNetwork; m_dmrNetwork = NULL; return false; } return true; }