DMRGateway/DMRGateway.cpp

/*
 *   Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX
 *
 *   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 "DMRGateway.h"
#include "Version.h"
#include "StopWatch.h"
#include "Thread.h"
#include "Voice.h"
#include "Log.h"

#include <cstdio>
#include <vector>

#if !defined(_WIN32) && !defined(_WIN64)
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <pwd.h>
#endif

#if defined(_WIN32) || defined(_WIN64)
const char* DEFAULT_INI_FILE = "DMRGateway.ini";
#else
const char* DEFAULT_INI_FILE = "/etc/DMRGateway.ini";
#endif

const unsigned int XLX_SLOT = 2U;
const unsigned int XLX_TG   = 9U;

static bool m_killed = false;
static int  m_signal = 0;

#if !defined(_WIN32) && !defined(_WIN64)
static void sigHandler(int signum)
{
  m_killed = true;
  m_signal = signum;
}
#endif

enum DMRGW_STATUS {
	DMRGWS_NONE,
	DMRGWS_NETWORK1,
	DMRGWS_NETWORK2,
	DMRGWS_REFLECTOR
};

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) 2017 by Jonathan Naylor, G4KLX and others";

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, "DMRGateway version %s\n", VERSION);
				return 0;
			} else if (arg.substr(0,1) == "-") {
				::fprintf(stderr, "Usage: DMRGateway [-v|--version] [filename]\n");
				return 1;
			} else {
				iniFile = argv[currentArg];
			}
		}
	}

#if !defined(_WIN32) && !defined(_WIN64)
	::signal(SIGTERM, sigHandler);
	::signal(SIGHUP,  sigHandler);
#endif

	int ret = 0;

	do {
		m_signal = 0;

		CDMRGateway* host = new CDMRGateway(std::string(iniFile));
		ret = host->run();

		delete host;

		if (m_signal == 15)
			::LogInfo("Caught SIGTERM, exiting");

		if (m_signal == 1)
			::LogInfo("Caught SIGHUP, restarting");
	} while (m_signal == 1);

	::LogFinalise();

	return ret;
}

CDMRGateway::CDMRGateway(const std::string& confFile) :
m_conf(confFile),
m_repeater(NULL),
m_dmrNetwork1(NULL),
m_dmrNetwork2(NULL),
m_xlxNetwork(NULL),
m_reflector(4000U),
m_xlxSlot(0U),
m_xlxTG(0U),
m_rptRewrite(NULL),
m_xlxRewrite(NULL),
m_dmr1NetRewrites(),
m_dmr1RFRewrites(),
m_dmr2NetRewrites(),
m_dmr2RFRewrites(),
m_dmr1PrivateSlot1(false),
m_dmr1PrivateSlot2(false),
m_dmr2PrivateSlot1(false),
m_dmr2PrivateSlot2(false)
{
}

CDMRGateway::~CDMRGateway()
{
	for (std::vector<CRewrite*>::iterator it = m_dmr1NetRewrites.begin(); it != m_dmr1NetRewrites.end(); ++it)
		delete *it;

	for (std::vector<CRewrite*>::iterator it = m_dmr1RFRewrites.begin(); it != m_dmr1RFRewrites.end(); ++it)
		delete *it;
	
	for (std::vector<CRewrite*>::iterator it = m_dmr2NetRewrites.begin(); it != m_dmr2NetRewrites.end(); ++it)
			delete *it;
	
	for (std::vector<CRewrite*>::iterator it = m_dmr2RFRewrites.begin(); it != m_dmr2RFRewrites.end(); ++it)
			delete *it;
}

int CDMRGateway::run()
{
	bool ret = m_conf.read();
	if (!ret) {
		::fprintf(stderr, "DMRGateway: cannot read the .ini file\n");
		return 1;
	}

	ret = ::LogInitialise(m_conf.getLogFilePath(), m_conf.getLogFileRoot(), m_conf.getLogFileLevel(), m_conf.getLogDisplayLevel());
	if (!ret) {
		::fprintf(stderr, "DMRGateway: unable to open the log file\n");
		return 1;
	}

#if !defined(_WIN32) && !defined(_WIN64)
	bool m_daemon = m_conf.getDaemon();
	if (m_daemon) {
		// Create new process
		pid_t pid = ::fork();
		if (pid == -1) {
			::LogWarning("Couldn't fork() , exiting");
			return -1;
		} else if (pid != 0) {
			exit(EXIT_SUCCESS);
		}

		// Create new session and process group
		if (::setsid() == -1){
			::LogWarning("Couldn't setsid(), exiting");
			return -1;
		}

		// Set the working directory to the root directory
		if (::chdir("/") == -1){
			::LogWarning("Couldn't cd /, exiting");
			return -1;
		}

		::close(STDIN_FILENO);
		::close(STDOUT_FILENO);
		::close(STDERR_FILENO);

		//If we are currently root...
		if (getuid() == 0) {
			struct passwd* user = ::getpwnam("mmdvm");
			if (user == NULL) {
				::LogError("Could not get the mmdvm user, exiting");
				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) {
			    ::LogWarning("Could not set mmdvm GID, exiting");
			    return -1;
		    }

			if (setuid(mmdvm_uid) != 0) {
			    ::LogWarning("Could not set mmdvm UID, exiting");
			    return -1;
		    }
		    
		    //Double check it worked (AKA Paranoia) 
		    if (setuid(0) != -1){
			    ::LogWarning("It's possible to regain root - something is wrong!, exiting");
			    return -1;
		    }
		
		}
	}
#endif

	LogInfo(HEADER1);
	LogInfo(HEADER2);
	LogInfo(HEADER3);
	LogInfo(HEADER4);

	LogMessage("DMRGateway-%s is starting", VERSION);

	ret = createMMDVM();
	if (!ret)
		return 1;

	LogMessage("Waiting for MMDVM to connect.....");

	for (;;) {
		unsigned char config[400U];
		unsigned int len = m_repeater->getConfig(config);
		if (len > 0U)
			break;

		m_repeater->clock(10U);

		CThread::sleep(10U);
	}

	LogMessage("MMDVM has connected");

	if (m_conf.getDMRNetwork1Enabled()) {
		ret = createDMRNetwork1();
		if (!ret)
			return 1;
	}

	if (m_conf.getDMRNetwork2Enabled()) {
		ret = createDMRNetwork2();
		if (!ret)
			return 1;
	}


	if (m_conf.getXLXNetworkEnabled()) {
		ret = createXLXNetwork();
		if (!ret)
			return 1;
	}

	unsigned int timeout = m_conf.getTimeout();

	CVoice* voice = NULL;
	if (m_conf.getVoiceEnabled() && m_xlxNetwork != NULL) {
		std::string language  = m_conf.getVoiceLanguage();
		std::string directory = m_conf.getVoiceDirectory();

		LogInfo("Voice Parameters");
		LogInfo("    Enabled: yes");
		LogInfo("    Language: %s", language.c_str());
		LogInfo("    Directory: %s", directory.c_str());

		voice = new CVoice(directory, language, m_repeater->getId(), m_xlxSlot, m_xlxTG);

		bool ret = voice->open();
		if (!ret) {
			delete voice;
			voice = NULL;
		}
	}

	CTimer* timer[3U];
	timer[1U] = new CTimer(1000U, timeout);
	timer[2U] = new CTimer(1000U, timeout);

	DMRGW_STATUS status[3U];
	status[1U] = DMRGWS_NONE;
	status[2U] = DMRGWS_NONE;

	CStopWatch stopWatch;
	stopWatch.start();

	LogMessage("DMRGateway-%s is running", VERSION);

	bool changed = false;

	while (!m_killed) {
		CDMRData data;

		bool ret = m_repeater->read(data);
		if (ret) {
			unsigned int slotNo = data.getSlotNo();
			unsigned int dstId = data.getDstId();
			FLCO flco = data.getFLCO();

			if (flco == FLCO_GROUP && slotNo == m_xlxSlot && dstId == m_xlxTG) {
				m_xlxRewrite->process(data);
				m_xlxNetwork->write(data);
				status[slotNo] = DMRGWS_REFLECTOR;
				timer[slotNo]->start();
			} else if (flco == FLCO_USER_USER && slotNo == m_xlxSlot && dstId >= 4000U && dstId <= 4026U) {
				if (dstId != m_reflector) {
					if (dstId == 4000U)
						LogMessage("Unlinking");
					else
						LogMessage("Linking to reflector %u", dstId);

					m_reflector = dstId;
					changed = true;
				}

				data.setSlotNo(XLX_SLOT);
				m_xlxNetwork->write(data);
				status[slotNo] = DMRGWS_REFLECTOR;
				timer[slotNo]->start();

				if (voice != NULL) {
					unsigned char type = data.getDataType();
					if (type == DT_TERMINATOR_WITH_LC) {
						if (changed) {
							if (m_reflector == 4000U)
								voice->unlinked();
							else
								voice->linkedTo(m_reflector);
							changed = false;
						}
					}
				}
			} else if (flco == FLCO_USER_USER) {
				if (m_dmrNetwork1 != NULL && slotNo == 1U && m_dmr1PrivateSlot1) {
					m_dmrNetwork1->write(data);
					status[slotNo] = DMRGWS_NETWORK1;
					timer[slotNo]->start();
				} else if (m_dmrNetwork1 != NULL && slotNo == 2U && m_dmr1PrivateSlot2) {
					m_dmrNetwork1->write(data);
					status[slotNo] = DMRGWS_NETWORK1;
					timer[slotNo]->start();
				} else if (m_dmrNetwork2 != NULL && slotNo == 1U && m_dmr2PrivateSlot1) {
					m_dmrNetwork2->write(data);
					status[slotNo] = DMRGWS_NETWORK2;
					timer[slotNo]->start();
				} else if (m_dmrNetwork2 != NULL && slotNo == 2U && m_dmr2PrivateSlot2) {
					m_dmrNetwork2->write(data);
					status[slotNo] = DMRGWS_NETWORK2;
					timer[slotNo]->start();
				}
			} else {
				bool rewritten = false;

				if (m_dmrNetwork1 != NULL) {
					// Rewrite the slot and/or TG or neither
					for (std::vector<CRewrite*>::iterator it = m_dmr1RFRewrites.begin(); it != m_dmr1RFRewrites.end(); ++it) {
						bool ret = (*it)->process(data);
						if (ret) {
							rewritten = true;
							break;
						}
					}

					if (rewritten) {
						unsigned int slotNo = data.getSlotNo();
						if (status[slotNo] == DMRGWS_NONE || status[slotNo] == DMRGWS_NETWORK1) {
							m_dmrNetwork1->write(data);
							status[slotNo] = DMRGWS_NETWORK1;
							timer[slotNo]->start();
						}
					}
				}

				if (!rewritten) {
					if (m_dmrNetwork2 != NULL) {
						// Rewrite the slot and/or TG or neither
						for (std::vector<CRewrite*>::iterator it = m_dmr2RFRewrites.begin(); it != m_dmr2RFRewrites.end(); ++it) {
							bool ret = (*it)->process(data);
							if (ret) {
								rewritten = true;
								break;
							}
						}

						if (rewritten) {
							unsigned int slotNo = data.getSlotNo();
							if (status[slotNo] == DMRGWS_NONE || status[slotNo] == DMRGWS_NETWORK2) {
								m_dmrNetwork2->write(data);
								status[slotNo] = DMRGWS_NETWORK2;
								timer[slotNo]->start();
							}
						}
					}
				}
			}
		}

		if (m_xlxNetwork != NULL) {
			ret = m_xlxNetwork->read(data);
			if (ret) {
				if (status[m_xlxSlot] == DMRGWS_NONE || status[m_xlxSlot] == DMRGWS_REFLECTOR) {
					bool ret = m_rptRewrite->process(data);
					if (ret) {
						m_repeater->write(data);
						status[m_xlxSlot] = DMRGWS_REFLECTOR;
						timer[m_xlxSlot]->start();
					} else {
						unsigned int slotNo = data.getSlotNo();
						unsigned int dstId  = data.getDstId();
						FLCO flco           = data.getFLCO();
						LogWarning("XLX, Unexpected data from slot %u %s%u", slotNo, flco == FLCO_GROUP ? "TG" : "", dstId);
					}
				}
			}
		}

		if (m_dmrNetwork1 != NULL) {
			ret = m_dmrNetwork1->read(data);
			if (ret) {
				FLCO flco = data.getFLCO();
				if (flco == FLCO_USER_USER) {
					unsigned int slotNo = data.getSlotNo();

					if (slotNo == 1U && m_dmr1PrivateSlot1) {
						m_repeater->write(data);
						status[slotNo] = DMRGWS_NETWORK1;
						timer[slotNo]->start();
					} else if (slotNo == 2U && m_dmr1PrivateSlot2) {
						m_repeater->write(data);
						status[slotNo] = DMRGWS_NETWORK1;
						timer[slotNo]->start();
					}
				} else {
					// Rewrite the slot and/or TG or neither
					bool rewritten = false;
					for (std::vector<CRewrite*>::iterator it = m_dmr1NetRewrites.begin(); it != m_dmr1NetRewrites.end(); ++it) {
						bool ret = (*it)->process(data);
						if (ret) {
							rewritten = true;
							break;
						}
					}

					if (rewritten) {
						unsigned int slotNo = data.getSlotNo();
						unsigned int dstId = data.getDstId();

						// Stop the DMR network from using the same TG as XLX after rewriting
						if (slotNo != m_xlxSlot || dstId != m_xlxTG) {
							if (status[slotNo] == DMRGWS_NONE || status[slotNo] == DMRGWS_NETWORK1) {
								m_repeater->write(data);
								status[slotNo] = DMRGWS_NETWORK1;
								timer[slotNo]->start();
							}
						}
					}
				}
			}
		}

		if (m_dmrNetwork2 != NULL) {
			ret = m_dmrNetwork2->read(data);
			if (ret) {
				FLCO flco = data.getFLCO();
				if (flco == FLCO_USER_USER) {
					unsigned int slotNo = data.getSlotNo();

					if (slotNo == 1U && m_dmr2PrivateSlot1) {
						m_repeater->write(data);
						status[slotNo] = DMRGWS_NETWORK2;
						timer[slotNo]->start();
					} else if (slotNo == 2U && m_dmr2PrivateSlot2) {
						m_repeater->write(data);
						status[slotNo] = DMRGWS_NETWORK2;
						timer[slotNo]->start();
					}
				} else {
					// Rewrite the slot and/or TG or neither
					bool rewritten = false;
					for (std::vector<CRewrite*>::iterator it = m_dmr2NetRewrites.begin(); it != m_dmr2NetRewrites.end(); ++it) {
						bool ret = (*it)->process(data);
						if (ret) {
							rewritten = true;
							break;
						}
					}

					if (rewritten) {
						unsigned int slotNo = data.getSlotNo();
						unsigned int dstId = data.getDstId();

						// Stop the DMR network from using the same TG as XLX after rewriting
						if (slotNo != m_xlxSlot || dstId != m_xlxTG) {
							if (status[slotNo] == DMRGWS_NONE || status[slotNo] == DMRGWS_NETWORK2) {
								m_repeater->write(data);
								status[slotNo] = DMRGWS_NETWORK2;
								timer[slotNo]->start();
							}
						}
					}
				}
			}
		}

		if (voice != NULL) {
			ret = voice->read(data);
			if (ret) {
				m_repeater->write(data);
				status[m_xlxSlot] = DMRGWS_REFLECTOR;
				timer[m_xlxSlot]->start();
			}
		}

		unsigned int ms = stopWatch.elapsed();
		stopWatch.start();

		m_repeater->clock(ms);

		if (m_dmrNetwork1 != NULL)
			m_dmrNetwork1->clock(ms);

		if (m_dmrNetwork2 != NULL)
			m_dmrNetwork2->clock(ms);

		if (m_xlxNetwork != NULL)
			m_xlxNetwork->clock(ms);

		if (voice != NULL)
			voice->clock(ms);

		for (unsigned int i = 1U; i < 3U; i++) {
			timer[i]->clock(ms);
			if (timer[i]->isRunning() && timer[i]->hasExpired()) {
				status[i] = DMRGWS_NONE;
				timer[i]->stop();
			}
		}

		if (ms < 10U)
			CThread::sleep(10U);
	}

	LogMessage("DMRGateway-%s is exiting on receipt of SIGHUP1", VERSION);

	delete voice;

	m_repeater->close();
	delete m_repeater;

	if (m_dmrNetwork1 != NULL) {
		m_dmrNetwork1->close();
		delete m_dmrNetwork1;
	}

	if (m_dmrNetwork2 != NULL) {
		m_dmrNetwork2->close();
		delete m_dmrNetwork2;
	}

	if (m_xlxNetwork != NULL) {
		m_xlxNetwork->close();
		delete m_xlxNetwork;
	}

	delete m_rptRewrite;
	delete m_xlxRewrite;

	delete timer[1U];
	delete timer[2U];

	return 0;
}

bool CDMRGateway::createMMDVM()
{
	std::string rptAddress   = m_conf.getRptAddress();
	unsigned int rptPort     = m_conf.getRptPort();
	std::string localAddress = m_conf.getLocalAddress();
	unsigned int localPort   = m_conf.getLocalPort();
	bool debug               = m_conf.getDebug();

	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_repeater = new CMMDVMNetwork(rptAddress, rptPort, localAddress, localPort, debug);

	bool ret = m_repeater->open();
	if (!ret) {
		delete m_repeater;
		m_repeater = NULL;
		return false;
	}

	return true;
}

bool CDMRGateway::createDMRNetwork1()
{
	std::string address  = m_conf.getDMRNetwork1Address();
	unsigned int port    = m_conf.getDMRNetwork1Port();
	unsigned int local   = m_conf.getDMRNetwork1Local();
	unsigned int id      = m_conf.getDMRNetwork1Id();
	std::string password = m_conf.getDMRNetwork1Password();
	bool debug           = m_conf.getDMRNetwork1Debug();

	if (id == 0U)
		id = m_repeater->getId();

	LogInfo("DMR Network 1 Parameters");
	LogInfo("    Id: %u", id);
	LogInfo("    Address: %s", address.c_str());
	LogInfo("    Port: %u", port);
	if (local > 0U)
		LogInfo("    Local: %u", local);
	else
		LogInfo("    Local: random");

	m_dmrNetwork1 = new CDMRNetwork(address, port, local, id, password, "DMR-1", debug);

	std::string options = m_repeater->getOptions();
	if (!options.empty()) {
		LogInfo("    Options: %s", options.c_str());
		m_dmrNetwork1->setOptions(options);
	}

	unsigned char config[400U];
	unsigned int len = m_repeater->getConfig(config);

	m_dmrNetwork1->setConfig(config, len);

	bool ret = m_dmrNetwork1->open();
	if (!ret) {
		delete m_dmrNetwork1;
		m_dmrNetwork1 = NULL;
		return false;
	}

	std::vector<CRewriteStruct> rewrites = m_conf.getDMRNetwork1Rewrites();
	for (std::vector<CRewriteStruct>::const_iterator it = rewrites.begin(); it != rewrites.end(); ++it) {
		LogInfo("    Rewrite: %u:%u -> %u:%u", (*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toTG);

		CRewrite* netRewrite = new CRewrite((*it).m_toSlot, (*it).m_toTG, (*it).m_fromSlot, (*it).m_fromTG);
		CRewrite* rfRewrite = new CRewrite((*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toTG);

		m_dmr1NetRewrites.push_back(netRewrite);
		m_dmr1RFRewrites.push_back(rfRewrite);
	}

	m_dmr1PrivateSlot1 = m_conf.getDMRNetwork1PrivateSlot1();
	m_dmr1PrivateSlot2 = m_conf.getDMRNetwork1PrivateSlot2();

	LogInfo("    Private slot 1: %s", m_dmr1PrivateSlot1 ? "yes" : "no");
	LogInfo("    Private slot 2: %s", m_dmr1PrivateSlot2 ? "yes" : "no");

	return true;
}

bool CDMRGateway::createDMRNetwork2()
{
	std::string address  = m_conf.getDMRNetwork2Address();
	unsigned int port    = m_conf.getDMRNetwork2Port();
	unsigned int local   = m_conf.getDMRNetwork2Local();
	unsigned int id      = m_conf.getDMRNetwork2Id();
	std::string password = m_conf.getDMRNetwork2Password();
	bool debug           = m_conf.getDMRNetwork2Debug();

	if (id == 0U)
		id = m_repeater->getId();

	LogInfo("DMR Network 2 Parameters");
	LogInfo("    Id: %u", id);
	LogInfo("    Address: %s", address.c_str());
	LogInfo("    Port: %u", port);
	if (local > 0U)
		LogInfo("    Local: %u", local);
	else
		LogInfo("    Local: random");

	m_dmrNetwork2 = new CDMRNetwork(address, port, local, id, password, "DMR-2", debug);

	std::string options = m_repeater->getOptions();
	if (!options.empty()) {
		LogInfo("    Options: %s", options.c_str());
		m_dmrNetwork2->setOptions(options);
	}

	unsigned char config[400U];
	unsigned int len = m_repeater->getConfig(config);

	m_dmrNetwork2->setConfig(config, len);

	bool ret = m_dmrNetwork2->open();
	if (!ret) {
		delete m_dmrNetwork2;
		m_dmrNetwork2 = NULL;
		return false;
	}

	std::vector<CRewriteStruct> rewrites = m_conf.getDMRNetwork2Rewrites();
	for (std::vector<CRewriteStruct>::const_iterator it = rewrites.begin(); it != rewrites.end(); ++it) {
		LogInfo("    Rewrite: %u:%u -> %u:%u", (*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toTG);

		CRewrite* netRewrite = new CRewrite((*it).m_toSlot, (*it).m_toTG, (*it).m_fromSlot, (*it).m_fromTG);
		CRewrite* rfRewrite = new CRewrite((*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toTG);

		m_dmr2NetRewrites.push_back(netRewrite);
		m_dmr2RFRewrites.push_back(rfRewrite);
	}

	m_dmr2PrivateSlot1 = m_conf.getDMRNetwork2PrivateSlot1();
	m_dmr2PrivateSlot2 = m_conf.getDMRNetwork2PrivateSlot2();

	LogInfo("    Private slot 1: %s", m_dmr2PrivateSlot1 ? "yes" : "no");
	LogInfo("    Private slot 2: %s", m_dmr2PrivateSlot2 ? "yes" : "no");

	return true;
}

bool CDMRGateway::createXLXNetwork()
{
	std::string address  = m_conf.getXLXNetworkAddress();
	unsigned int port    = m_conf.getXLXNetworkPort();
	unsigned int local   = m_conf.getXLXNetworkLocal();
	unsigned int id      = m_conf.getXLXNetworkId();
	std::string password = m_conf.getXLXNetworkPassword();
	std::string options  = m_conf.getXLXNetworkOptions();
	bool debug           = m_conf.getXLXNetworkDebug();

	if (id == 0U)
		id = m_repeater->getId();

	LogInfo("XLX Network Parameters");
	LogInfo("    Id: %u", id);
	LogInfo("    Address: %s", address.c_str());
	LogInfo("    Port: %u", port);
	if (local > 0U)
		LogInfo("    Local: %u", local);
	else
		LogInfo("    Local: random");

	m_xlxNetwork = new CDMRNetwork(address, port, local, id, password, "XLX", debug);

	if (!options.empty()) {
		LogInfo("    Options: %s", options.c_str());
		m_xlxNetwork->setOptions(options);
	}

	unsigned char config[400U];
	unsigned int len = m_repeater->getConfig(config);

	m_xlxNetwork->setConfig(config, len);

	bool ret = m_xlxNetwork->open();
	if (!ret) {
		delete m_xlxNetwork;
		m_xlxNetwork = NULL;
		return false;
	}

	m_xlxSlot = m_conf.getXLXNetworkSlot();
	m_xlxTG   = m_conf.getXLXNetworkTG();

	LogInfo("    Slot: %u", m_xlxSlot);
	LogInfo("    TG: %u", m_xlxTG);

	m_rptRewrite = new CRewrite(XLX_SLOT, XLX_TG, m_xlxSlot, m_xlxTG);
	m_xlxRewrite = new CRewrite(m_xlxSlot, m_xlxTG, XLX_SLOT, XLX_TG);

	return true;
}