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 "RewriteType.h"
#include "DMRSlotType.h"
#include "RewriteSrc.h"
#include "DMRGateway.h"
#include "StopWatch.h"
#include "RewritePC.h"
#include "PassAllPC.h"
#include "PassAllTG.h"
#include "DMRFullLC.h"
#include "Version.h"
#include "Thread.h"
#include "DMRLC.h"
#include "Voice.h"
#include "Sync.h"
#include "Log.h"
#include "GitVersion.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;

const unsigned char COLOR_CODE = 3U;

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_DMRNETWORK1,
	DMRGWS_DMRNETWORK2,
	DMRGWS_XLXREFLECTOR
};

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 git #%.7s\n", VERSION, gitversion);
				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(SIGINT,  sigHandler);
	::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 == 2)
			::LogInfo("DMRGateway-%s exited on receipt of SIGINT", VERSION);

		if (m_signal == 15)
			::LogInfo("DMRGateway-%s exited on receipt of SIGTERM", VERSION);

		if (m_signal == 1)
			::LogInfo("DMRGateway-%s restarted on receipt of SIGHUP", VERSION);
	} while (m_signal == 1);

	::LogFinalise();

	return ret;
}

CDMRGateway::CDMRGateway(const std::string& confFile) :
m_conf(confFile),
m_repeater(NULL),
m_dmrNetwork1(NULL),
m_dmr1Name(),
m_dmrNetwork2(NULL),
m_dmr2Name(),
m_xlxReflectors(NULL),
m_xlxNetwork(NULL),
m_xlxId(0U),
m_xlxNumber(0U),
m_xlxReflector(4000U),
m_xlxSlot(0U),
m_xlxTG(0U),
m_xlxBase(0U),
m_xlxLocal(0U),
m_xlxPort(62030U),
m_xlxPassword("passw0rd"),
m_xlxStartup(950U),
m_xlxRoom(4000U),
m_xlxRelink(1000U),
m_xlxConnected(false),
m_xlxDebug(false),
m_rptRewrite(NULL),
m_xlxRewrite(NULL),
m_dmr1NetRewrites(),
m_dmr1RFRewrites(),
m_dmr2NetRewrites(),
m_dmr2RFRewrites(),
m_dmr1Passalls(),
m_dmr2Passalls()
{
}

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;

	for (std::vector<CRewrite*>::iterator it = m_dmr1Passalls.begin(); it != m_dmr1Passalls.end(); ++it)
		delete *it;

	for (std::vector<CRewrite*>::iterator it = m_dmr2Passalls.begin(); it != m_dmr2Passalls.end(); ++it)
		delete *it;

	delete m_rptRewrite;
	delete m_xlxRewrite;
}

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);
	LogMessage("Built %s %s (GitID #%.7s)", __TIME__, __DATE__, gitversion);

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

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

	while (!m_killed) {
		unsigned char config[400U];
		unsigned int len = m_repeater->getConfig(config);
		if (len > 0U && m_repeater->getId() > 1000U)
			break;

		m_repeater->clock(10U);

		CThread::sleep(10U);
	}

	if (m_killed) {
		m_repeater->close();
		delete m_repeater;
		return 0;
	}

	LogMessage("MMDVM has connected");

	bool ruleTrace = m_conf.getRuleTrace();
	LogInfo("Rule trace: %s", ruleTrace ? "yes" : "no");

	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 rfTimeout  = m_conf.getRFTimeout();
	unsigned int netTimeout = m_conf.getNetTimeout();

	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);
	timer[2U] = new CTimer(1000U);

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

	unsigned int rfSrcId[3U];
	unsigned int rfDstId[3U];
	rfSrcId[1U] = rfSrcId[2U] = rfDstId[1U] = rfDstId[2U] = 0U;

	unsigned int dmr1SrcId[3U];
	unsigned int dmr1DstId[3U];
	dmr1SrcId[1U] = dmr1SrcId[2U] = dmr1DstId[1U] = dmr1DstId[2U] = 0U;

	unsigned int dmr2SrcId[3U];
	unsigned int dmr2DstId[3U];
	dmr2SrcId[1U] = dmr2SrcId[2U] = dmr2DstId[1U] = dmr2DstId[2U] = 0U;

	CStopWatch stopWatch;
	stopWatch.start();

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

	bool changed = false;

	while (!m_killed) {
		if (m_xlxNetwork != NULL) {
			bool connected = m_xlxNetwork->isConnected();
			if (connected && !m_xlxConnected) {
				if (m_xlxReflector >= 4001U && m_xlxReflector <= 4026U) {
					writeXLXLink(m_xlxId, m_xlxReflector, m_xlxNetwork);
					LogMessage("XLX, Linking to reflector %u in XLX%03u", m_xlxReflector, m_xlxNumber);
					if (voice != NULL)
						voice->linkedTo(m_xlxNumber, m_xlxReflector);
				} else if (m_xlxRoom >= 4001U && m_xlxRoom <= 4026U) {
					writeXLXLink(m_xlxId, m_xlxRoom, m_xlxNetwork);
					LogMessage("XLX, Linking to reflector %u in XLX%03u", m_xlxRoom, m_xlxNumber);
					if (voice != NULL)
						voice->linkedTo(m_xlxNumber, m_xlxRoom);
					m_xlxReflector = m_xlxRoom;
				}

				m_xlxConnected = true;

				if (m_xlxNumber == m_xlxStartup && m_xlxRoom == m_xlxReflector)
					m_xlxRelink.stop();
				else
					m_xlxRelink.start();
			} else if (!connected && m_xlxConnected) {
				if (m_xlxReflector >= 4001U && m_xlxReflector <= 4026U) {
					LogMessage("XLX, Unlinking from XLX%03u due to loss of connection", m_xlxNumber);
					if (voice != NULL)
						voice->unlinked();
				}

				m_xlxReflector = 4000U;
				m_xlxConnected = false;
				m_xlxRelink.stop();
			} else if (connected && m_xlxRelink.isRunning() && m_xlxRelink.hasExpired()) {
				m_xlxRelink.stop();

				if (m_xlxNumber != m_xlxStartup) {
					if (m_xlxStartup > 0U) {
						m_xlxReflector = 4000U;
						LogMessage("XLX, Re-linking to startup reflector %u in XLX%03u due to RF inactivity timeout", m_xlxRoom, m_xlxNumber);
						linkXLX(m_xlxStartup);
					} else {
						LogMessage("XLX, Unlinking from XLX%03u due to RF inactivity timeout", m_xlxNumber);
						unlinkXLX();
					}
				} else {
					if (m_xlxReflector >= 4001U && m_xlxReflector <= 4026U)
						writeXLXLink(m_xlxId, 4000U, m_xlxNetwork);

					if (m_xlxRoom >= 4001U && m_xlxRoom <= 4026U) {
						writeXLXLink(m_xlxId, m_xlxRoom, m_xlxNetwork);
						LogMessage("XLX, Re-linking to startup reflector %u in XLX%03u due to RF inactivity timeout", m_xlxRoom, m_xlxNumber);
					} else if (m_xlxReflector >= 4001U && m_xlxReflector <= 4026U) {
						LogMessage("XLX, Unlinking from reflector %u in XLX%03u due to RF inactivity timeout", m_xlxReflector, m_xlxNumber);
					}

					m_xlxReflector = m_xlxRoom;
					if (voice != NULL) {
						if (m_xlxReflector < 4001U || m_xlxReflector > 4026U)
							voice->unlinked();
						else
							voice->linkedTo(m_xlxNumber, m_xlxReflector);
					}
				}
			}
		}

		CDMRData data;

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

			if (flco == FLCO_GROUP && slotNo == m_xlxSlot && dstId == m_xlxTG) {
				if (m_xlxReflector != m_xlxRoom || m_xlxNumber != m_xlxStartup)
					m_xlxRelink.start();

				m_xlxRewrite->process(data, false);
				m_xlxNetwork->write(data);
				status[slotNo] = DMRGWS_XLXREFLECTOR;
				timer[slotNo]->setTimeout(rfTimeout);
				timer[slotNo]->start();
			} else if ((dstId <= (m_xlxBase + 26U) || dstId == (m_xlxBase + 1000U)) && flco == FLCO_USER_USER && slotNo == m_xlxSlot && dstId >= m_xlxBase) {
				dstId += 4000U;
				dstId -= m_xlxBase;

				if (dstId != m_xlxReflector) {
					if (dstId == 4000U) {
						LogMessage("XLX, Unlinking from reflector %u in XLX%03u", m_xlxRoom, m_xlxNumber);
					} else if (dstId == 5000U) {
						if (m_xlxReflector != 4000U)
							voice->linkedTo(m_xlxNumber, m_xlxReflector);
						else
							voice->unlinked();
					} else {
						if (m_xlxReflector != 4000U)
							writeXLXLink(srcId, 4000U, m_xlxNetwork);

						LogMessage("XLX, Linking to reflector %u in XLX%03u", dstId, m_xlxNumber);
					}

					if (dstId != 5000U ) {
						writeXLXLink(srcId, dstId, m_xlxNetwork);
						m_xlxReflector = dstId;
						changed = true;
					}

					if (m_xlxReflector != m_xlxRoom)
						m_xlxRelink.start();
					else
						m_xlxRelink.stop();
				}

				status[slotNo] = DMRGWS_XLXREFLECTOR;
				timer[slotNo]->setTimeout(rfTimeout);
				timer[slotNo]->start();

				if (voice != NULL) {
					unsigned char type = data.getDataType();
					if (type == DT_TERMINATOR_WITH_LC) {
						if (changed) {
							if (m_xlxReflector == 4000U)
								voice->unlinked();
							else
								voice->linkedTo(m_xlxNumber, m_xlxReflector);
							changed = false;
						}
					}
				}
			} else if (dstId >= (m_xlxBase + 4000U) && dstId < (m_xlxBase + 5000U) && flco == FLCO_USER_USER && slotNo == m_xlxSlot) {
				dstId -= 4000U;
				dstId -= m_xlxBase;

				if (dstId != m_xlxNumber)
					linkXLX(dstId);
			} else {
				unsigned int slotNo = data.getSlotNo();
				unsigned int srcId  = data.getSrcId();
				unsigned int dstId  = data.getDstId();
				FLCO flco           = data.getFLCO();

				bool trace = false;
				if (ruleTrace && (srcId != rfSrcId[slotNo] || dstId != rfDstId[slotNo])) {
					rfSrcId[slotNo] = srcId;
					rfDstId[slotNo] = dstId;
					trace = true;
				}

				if (trace)
					LogDebug("Rule Trace, RF transmission: Slot=%u Src=%u Dst=%s%u", slotNo, srcId, flco == FLCO_GROUP ? "TG" : "", dstId);

				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, trace);
						if (ret) {
							rewritten = true;
							break;
						}
					}

					if (rewritten) {
						if (status[slotNo] == DMRGWS_NONE || status[slotNo] == DMRGWS_DMRNETWORK1) {
							m_dmrNetwork1->write(data);
							status[slotNo] = DMRGWS_DMRNETWORK1;
							timer[slotNo]->setTimeout(rfTimeout);
							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, trace);
							if (ret) {
								rewritten = true;
								break;
							}
						}

						if (rewritten) {
							if (status[slotNo] == DMRGWS_NONE || status[slotNo] == DMRGWS_DMRNETWORK2) {
								m_dmrNetwork2->write(data);
								status[slotNo] = DMRGWS_DMRNETWORK2;
								timer[slotNo]->setTimeout(rfTimeout);
								timer[slotNo]->start();
							}
						}
					}
				}

				if (!rewritten) {
					if (m_dmrNetwork1 != NULL) {
						for (std::vector<CRewrite*>::iterator it = m_dmr1Passalls.begin(); it != m_dmr1Passalls.end(); ++it) {
							bool ret = (*it)->process(data, trace);
							if (ret) {
								rewritten = true;
								break;
							}
						}

						if (rewritten) {
							if (status[slotNo] == DMRGWS_NONE || status[slotNo] == DMRGWS_DMRNETWORK1) {
								m_dmrNetwork1->write(data);
								status[slotNo] = DMRGWS_DMRNETWORK1;
								timer[slotNo]->setTimeout(rfTimeout);
								timer[slotNo]->start();
							}
						}
					}
				}

				if (!rewritten) {
					if (m_dmrNetwork2 != NULL) {
						for (std::vector<CRewrite*>::iterator it = m_dmr2Passalls.begin(); it != m_dmr2Passalls.end(); ++it) {
							bool ret = (*it)->process(data, trace);
							if (ret) {
								rewritten = true;
								break;
							}
						}

						if (rewritten) {
							if (status[slotNo] == DMRGWS_NONE || status[slotNo] == DMRGWS_DMRNETWORK2) {
								m_dmrNetwork2->write(data);
								status[slotNo] = DMRGWS_DMRNETWORK2;
								timer[slotNo]->setTimeout(rfTimeout);
								timer[slotNo]->start();
							}
						}
					}
				}

				if (!rewritten && trace)
					LogDebug("Rule Trace,\tnot matched so rejected");
			}
		}

		if (m_xlxNetwork != NULL) {
			ret = m_xlxNetwork->read(data);
			if (ret) {
				if (status[m_xlxSlot] == DMRGWS_NONE || status[m_xlxSlot] == DMRGWS_XLXREFLECTOR) {
					bool ret = m_rptRewrite->process(data, false);
					if (ret) {
						m_repeater->write(data);
						status[m_xlxSlot] = DMRGWS_XLXREFLECTOR;
						timer[m_xlxSlot]->setTimeout(netTimeout);
						timer[m_xlxSlot]->start();
					} else {
						unsigned int slotNo = data.getSlotNo();
						unsigned int dstId  = data.getDstId();
						FLCO flco           = data.getFLCO();
						LogWarning("XLX%03u, Unexpected data from slot %u %s%u", m_xlxNumber, slotNo, flco == FLCO_GROUP ? "TG" : "", dstId);
					}
				}
			}
		}

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

				bool trace = false;
				if (ruleTrace && (srcId != dmr1SrcId[slotNo] || dstId != dmr1DstId[slotNo])) {
					dmr1SrcId[slotNo] = srcId;
					dmr1DstId[slotNo] = dstId;
					trace = true;
				}

				if (trace)
					LogDebug("Rule Trace, network 1 transmission: Slot=%u Src=%u Dst=%s%u", slotNo, srcId, flco == FLCO_GROUP ? "TG" : "", dstId);

				// 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, trace);
					if (ret) {
						rewritten = true;
						break;
					}
				}

				if (rewritten) {
					// Check that the rewritten slot is free to use.
					slotNo = data.getSlotNo();
					if (status[slotNo] == DMRGWS_NONE || status[slotNo] == DMRGWS_DMRNETWORK1) {
						m_repeater->write(data);
						status[slotNo] = DMRGWS_DMRNETWORK1;
						timer[slotNo]->setTimeout(netTimeout);
						timer[slotNo]->start();
					}
				}

				if (!rewritten && trace)
					LogDebug("Rule Trace,\tnot matched so rejected");
			}

			ret = m_dmrNetwork1->wantsBeacon();
			if (ret)
				m_repeater->writeBeacon();
		}

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

				bool trace = false;
				if (ruleTrace && (srcId != dmr2SrcId[slotNo] || dstId != dmr2DstId[slotNo])) {
					dmr2SrcId[slotNo] = srcId;
					dmr2DstId[slotNo] = dstId;
					trace = true;
				}

				if (trace)
					LogDebug("Rule Trace, network 2 transmission: Slot=%u Src=%u Dst=%s%u", slotNo, srcId, flco == FLCO_GROUP ? "TG" : "", dstId);

				// 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, trace);
					if (ret) {
						rewritten = true;
						break;
					}
				}

				if (rewritten) {
					// Check that the rewritten slot is free to use.
					slotNo = data.getSlotNo();
					if (status[slotNo] == DMRGWS_NONE || status[slotNo] == DMRGWS_DMRNETWORK2) {
						m_repeater->write(data);
						status[slotNo] = DMRGWS_DMRNETWORK2;
						timer[slotNo]->setTimeout(netTimeout);
						timer[slotNo]->start();
					}
				}

				if (!rewritten && trace)
					LogDebug("Rule Trace,\tnot matched so rejected");
			}

			ret = m_dmrNetwork2->wantsBeacon();
			if (ret)
				m_repeater->writeBeacon();
		}

		unsigned char buffer[50U];
		unsigned int length;
		ret = m_repeater->readPosition(buffer, length);
		if (ret) {
			if (m_xlxNetwork != NULL)
				m_xlxNetwork->writePosition(buffer, length);
			if (m_dmrNetwork1 != NULL)
				m_dmrNetwork1->writePosition(buffer, length);
			if (m_dmrNetwork2 != NULL)
				m_dmrNetwork2->writePosition(buffer, length);
		}
		ret = m_repeater->readTalkerAlias(buffer, length);
		if (ret) {
			if (m_xlxNetwork != NULL)
				m_xlxNetwork->writeTalkerAlias(buffer, length);
			if (m_dmrNetwork1 != NULL)
				m_dmrNetwork1->writeTalkerAlias(buffer, length);
			if (m_dmrNetwork2 != NULL)
				m_dmrNetwork2->writeTalkerAlias(buffer, length);
		}

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

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

		m_repeater->clock(ms);

		m_xlxRelink.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 (m_xlxReflectors != NULL)
            m_xlxReflectors->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);
	}

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

	delete m_xlxReflectors;

	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 location        = m_conf.getDMRNetwork1Location();
	bool debug           = m_conf.getDMRNetwork1Debug();
	m_dmr1Name           = m_conf.getDMRNetwork1Name();

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

	LogInfo("DMR Network 1 Parameters");
	LogInfo("    Name: %s", m_dmr1Name.c_str());
	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");
	LogInfo("    Location Data: %s", location ? "yes" : "no");

	m_dmrNetwork1 = new CDMRNetwork(address, port, local, id, password, m_dmr1Name, debug);

	std::string options = m_conf.getDMRNetwork1Options();
	if (options.empty())
		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);

	if (!location)
		::memcpy(config + 30U, "0.00000000.000000", 17U);

	m_dmrNetwork1->setConfig(config, len);

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

	std::vector<CTGRewriteStruct> tgRewrites = m_conf.getDMRNetwork1TGRewrites();
	for (std::vector<CTGRewriteStruct>::const_iterator it = tgRewrites.begin(); it != tgRewrites.end(); ++it) {
		if ((*it).m_range == 1)
			LogInfo("    Rewrite RF: %u:TG%u -> %u:TG%u", (*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toTG);
		else
			LogInfo("    Rewrite RF: %u:TG%u-TG%u -> %u:TG%u-TG%u", (*it).m_fromSlot, (*it).m_fromTG, (*it).m_fromTG + (*it).m_range - 1U, (*it).m_toSlot, (*it).m_toTG, (*it).m_toTG + (*it).m_range - 1U);
		if ((*it).m_range == 1)
			LogInfo("    Rewrite Net: %u:TG%u -> %u:TG%u", (*it).m_toSlot, (*it).m_toTG, (*it).m_fromSlot, (*it).m_fromTG);
		else
			LogInfo("    Rewrite Net: %u:TG%u-TG%u -> %u:TG%u-TG%u", (*it).m_toSlot, (*it).m_toTG, (*it).m_toTG + (*it).m_range - 1U, (*it).m_fromSlot, (*it).m_fromTG, (*it).m_fromTG + (*it).m_range - 1U);

		CRewriteTG* rfRewrite  = new CRewriteTG(m_dmr1Name, (*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toTG, (*it).m_range);
		CRewriteTG* netRewrite = new CRewriteTG(m_dmr1Name, (*it).m_toSlot, (*it).m_toTG, (*it).m_fromSlot, (*it).m_fromTG, (*it).m_range);

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

	std::vector<CPCRewriteStruct> pcRewrites = m_conf.getDMRNetwork1PCRewrites();
	for (std::vector<CPCRewriteStruct>::const_iterator it = pcRewrites.begin(); it != pcRewrites.end(); ++it) {
		if ((*it).m_range == 1)
			LogInfo("    Rewrite RF: %u:%u -> %u:%u", (*it).m_fromSlot, (*it).m_fromId, (*it).m_toSlot, (*it).m_toId);
		else
			LogInfo("    Rewrite RF: %u:%u-%u -> %u:%u-%u", (*it).m_fromSlot, (*it).m_fromId, (*it).m_fromId + (*it).m_range - 1U, (*it).m_toSlot, (*it).m_toId, (*it).m_toId + (*it).m_range - 1U);

		CRewritePC* rewrite = new CRewritePC(m_dmr1Name, (*it).m_fromSlot, (*it).m_fromId, (*it).m_toSlot, (*it).m_toId, (*it).m_range);

		m_dmr1RFRewrites.push_back(rewrite);
	}

	std::vector<CTypeRewriteStruct> typeRewrites = m_conf.getDMRNetwork1TypeRewrites();
	for (std::vector<CTypeRewriteStruct>::const_iterator it = typeRewrites.begin(); it != typeRewrites.end(); ++it) {
		LogInfo("    Rewrite RF: %u:TG%u -> %u:%u", (*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toId);

		CRewriteType* rewrite = new CRewriteType(m_dmr1Name, (*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toId);

		m_dmr1RFRewrites.push_back(rewrite);
	}

	std::vector<CSrcRewriteStruct> srcRewrites = m_conf.getDMRNetwork1SrcRewrites();
	for (std::vector<CSrcRewriteStruct>::const_iterator it = srcRewrites.begin(); it != srcRewrites.end(); ++it) {
		if ((*it).m_range == 1)
			LogInfo("    Rewrite Net: %u:%u -> %u:TG%u", (*it).m_fromSlot, (*it).m_fromId, (*it).m_toSlot, (*it).m_toTG);
		else
			LogInfo("    Rewrite Net: %u:%u-%u -> %u:TG%u", (*it).m_fromSlot, (*it).m_fromId, (*it).m_fromId + (*it).m_range - 1U, (*it).m_toSlot, (*it).m_toTG);

		CRewriteSrc* rewrite = new CRewriteSrc(m_dmr1Name, (*it).m_fromSlot, (*it).m_fromId, (*it).m_toSlot, (*it).m_toTG, (*it).m_range);

		m_dmr1NetRewrites.push_back(rewrite);
	}

	std::vector<unsigned int> tgPassAll = m_conf.getDMRNetwork1PassAllTG();
	for (std::vector<unsigned int>::const_iterator it = tgPassAll.begin(); it != tgPassAll.end(); ++it) {
		LogInfo("    Pass All TG: %u", *it);

		CPassAllTG* rfPassAllTG  = new CPassAllTG(m_dmr1Name, *it);
		CPassAllTG* netPassAllTG = new CPassAllTG(m_dmr1Name, *it);

		m_dmr1Passalls.push_back(rfPassAllTG);
		m_dmr1NetRewrites.push_back(netPassAllTG);
	}

	std::vector<unsigned int> pcPassAll = m_conf.getDMRNetwork1PassAllPC();
	for (std::vector<unsigned int>::const_iterator it = pcPassAll.begin(); it != pcPassAll.end(); ++it) {
		LogInfo("    Pass All PC: %u", *it);

		CPassAllPC* rfPassAllPC  = new CPassAllPC(m_dmr1Name, *it);
		CPassAllPC* netPassAllPC = new CPassAllPC(m_dmr1Name, *it);

		m_dmr1Passalls.push_back(rfPassAllPC);
		m_dmr1NetRewrites.push_back(netPassAllPC);
	}

	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 location        = m_conf.getDMRNetwork2Location();
	bool debug           = m_conf.getDMRNetwork2Debug();
	m_dmr2Name           = m_conf.getDMRNetwork2Name();

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

	LogInfo("DMR Network 2 Parameters");
	LogInfo("    Name: %s", m_dmr2Name.c_str());
	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");
	LogInfo("    Location Data: %s", location ? "yes" : "no");

	m_dmrNetwork2 = new CDMRNetwork(address, port, local, id, password, m_dmr2Name, debug);

	std::string options = m_conf.getDMRNetwork2Options();
	if (options.empty())
		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);

	if (!location)
		::memcpy(config + 30U, "0.00000000.000000", 17U);

	m_dmrNetwork2->setConfig(config, len);

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

	std::vector<CTGRewriteStruct> tgRewrites = m_conf.getDMRNetwork2TGRewrites();
	for (std::vector<CTGRewriteStruct>::const_iterator it = tgRewrites.begin(); it != tgRewrites.end(); ++it) {
		if ((*it).m_range == 1)
			LogInfo("    Rewrite RF: %u:TG%u -> %u:TG%u", (*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toTG);
		else
			LogInfo("    Rewrite RF: %u:TG%u-TG%u -> %u:TG%u-TG%u", (*it).m_fromSlot, (*it).m_fromTG, (*it).m_fromTG + (*it).m_range - 1U, (*it).m_toSlot, (*it).m_toTG, (*it).m_toTG + (*it).m_range - 1U);
		if ((*it).m_range == 1)
			LogInfo("    Rewrite Net: %u:TG%u -> %u:TG%u", (*it).m_toSlot, (*it).m_toTG, (*it).m_fromSlot, (*it).m_fromTG);
		else
			LogInfo("    Rewrite Net: %u:TG%u-TG%u -> %u:TG%u-TG%u", (*it).m_toSlot, (*it).m_toTG, (*it).m_toTG + (*it).m_range - 1U, (*it).m_fromSlot, (*it).m_fromTG, (*it).m_fromTG + (*it).m_range - 1U);

		CRewriteTG* rfRewrite  = new CRewriteTG(m_dmr2Name, (*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toTG, (*it).m_range);
		CRewriteTG* netRewrite = new CRewriteTG(m_dmr2Name, (*it).m_toSlot, (*it).m_toTG, (*it).m_fromSlot, (*it).m_fromTG, (*it).m_range);

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

	std::vector<CPCRewriteStruct> pcRewrites = m_conf.getDMRNetwork2PCRewrites();
	for (std::vector<CPCRewriteStruct>::const_iterator it = pcRewrites.begin(); it != pcRewrites.end(); ++it) {
		if ((*it).m_range == 1)
			LogInfo("    Rewrite RF: %u:%u -> %u:%u", (*it).m_fromSlot, (*it).m_fromId, (*it).m_toSlot, (*it).m_toId);
		else
			LogInfo("    Rewrite RF: %u:%u-%u -> %u:%u-%u", (*it).m_fromSlot, (*it).m_fromId, (*it).m_fromId + (*it).m_range - 1U, (*it).m_toSlot, (*it).m_toId, (*it).m_toId + (*it).m_range - 1U);

		CRewritePC* rewrite = new CRewritePC(m_dmr2Name, (*it).m_fromSlot, (*it).m_fromId, (*it).m_toSlot, (*it).m_toId, (*it).m_range);

		m_dmr2RFRewrites.push_back(rewrite);
	}

	std::vector<CTypeRewriteStruct> typeRewrites = m_conf.getDMRNetwork2TypeRewrites();
	for (std::vector<CTypeRewriteStruct>::const_iterator it = typeRewrites.begin(); it != typeRewrites.end(); ++it) {
		LogInfo("    Rewrite RF: %u:TG%u -> %u:%u", (*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toId);

		CRewriteType* rewrite = new CRewriteType(m_dmr2Name, (*it).m_fromSlot, (*it).m_fromTG, (*it).m_toSlot, (*it).m_toId);

		m_dmr2RFRewrites.push_back(rewrite);
	}

	std::vector<CSrcRewriteStruct> srcRewrites = m_conf.getDMRNetwork2SrcRewrites();
	for (std::vector<CSrcRewriteStruct>::const_iterator it = srcRewrites.begin(); it != srcRewrites.end(); ++it) {
		if ((*it).m_range == 1)
			LogInfo("    Rewrite Net: %u:%u -> %u:TG%u", (*it).m_fromSlot, (*it).m_fromId, (*it).m_toSlot, (*it).m_toTG);
		else
			LogInfo("    Rewrite Net: %u:%u-%u -> %u:TG%u", (*it).m_fromSlot, (*it).m_fromId, (*it).m_fromId + (*it).m_range - 1U, (*it).m_toSlot, (*it).m_toTG);

		CRewriteSrc* rewrite = new CRewriteSrc(m_dmr2Name, (*it).m_fromSlot, (*it).m_fromId, (*it).m_toSlot, (*it).m_toTG, (*it).m_range);

		m_dmr2NetRewrites.push_back(rewrite);
	}

	std::vector<unsigned int> tgPassAll = m_conf.getDMRNetwork2PassAllTG();
	for (std::vector<unsigned int>::const_iterator it = tgPassAll.begin(); it != tgPassAll.end(); ++it) {
		LogInfo("    Pass All TG: %u", *it);

		CPassAllTG* rfPassAllTG  = new CPassAllTG(m_dmr2Name, *it);
		CPassAllTG* netPassAllTG = new CPassAllTG(m_dmr2Name, *it);

		m_dmr2Passalls.push_back(rfPassAllTG);
		m_dmr2NetRewrites.push_back(netPassAllTG);
	}

	std::vector<unsigned int> pcPassAll = m_conf.getDMRNetwork2PassAllPC();
	for (std::vector<unsigned int>::const_iterator it = pcPassAll.begin(); it != pcPassAll.end(); ++it) {
		LogInfo("    Pass All PC: %u", *it);

		CPassAllPC* rfPassAllPC  = new CPassAllPC(m_dmr2Name, *it);
		CPassAllPC* netPassAllPC = new CPassAllPC(m_dmr2Name, *it);

		m_dmr2Passalls.push_back(rfPassAllPC);
		m_dmr2NetRewrites.push_back(netPassAllPC);
	}

	return true;
}

bool CDMRGateway::createXLXNetwork()
{
	std::string fileName    = m_conf.getXLXNetworkFile();
    unsigned int reloadTime = m_conf.getXLXNetworkReloadTime();

	m_xlxReflectors = new CReflectors(fileName, reloadTime);

	bool ret = m_xlxReflectors->load();
	if (!ret) {
		delete m_xlxReflectors;
		return false;
	}

	m_xlxLocal    = m_conf.getXLXNetworkLocal();
    m_xlxPort     = m_conf.getXLXNetworkPort();
    m_xlxPassword = m_conf.getXLXNetworkPassword();
    m_xlxId       = m_conf.getXLXNetworkId();
	m_xlxDebug    = m_conf.getXLXNetworkDebug();

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

	m_xlxSlot    = m_conf.getXLXNetworkSlot();
	m_xlxTG      = m_conf.getXLXNetworkTG();
	m_xlxBase    = m_conf.getXLXNetworkBase();
	m_xlxStartup = m_conf.getXLXNetworkStartup();

	unsigned int xlxRelink  = m_conf.getXLXNetworkRelink();

	LogInfo("XLX Network Parameters");
	LogInfo("    Id: %u", m_xlxId);
	LogInfo("    Hosts file: %s", fileName.c_str());
    LogInfo("    Reload time: %u minutes", reloadTime);
	if (m_xlxLocal > 0U)
		LogInfo("    Local: %u", m_xlxLocal);
	else
		LogInfo("    Local: random");
    LogInfo("    Port: %u", m_xlxPort);
	LogInfo("    Slot: %u", m_xlxSlot);
	LogInfo("    TG: %u", m_xlxTG);
	LogInfo("    Base: %u", m_xlxBase);
	if (m_xlxStartup > 0U)
		LogInfo("    Startup: XLX%03u", m_xlxStartup);
	if (xlxRelink > 0U) {
		m_xlxRelink.setTimeout(xlxRelink * 60U);
		LogInfo("    Relink: %u minutes", xlxRelink);
	} else {
		LogInfo("    Relink: disabled");
	}

	if (m_xlxStartup > 0U)
		linkXLX(m_xlxStartup);

	m_rptRewrite = new CRewriteTG("XLX", XLX_SLOT, XLX_TG, m_xlxSlot, m_xlxTG, 1U);
	m_xlxRewrite = new CRewriteTG("XLX", m_xlxSlot, m_xlxTG, XLX_SLOT, XLX_TG, 1U);

	return true;
}

bool CDMRGateway::linkXLX(unsigned int number)
{
	CReflector* reflector = m_xlxReflectors->find(number);
	if (reflector == NULL)
		return false;

	if (m_xlxNetwork != NULL) {
		LogMessage("XLX, Disconnecting from XLX%03u", m_xlxNumber);
		m_xlxNetwork->close();
		delete m_xlxNetwork;
	}

	m_xlxConnected = false;
	m_xlxRelink.stop();

	m_xlxNetwork = new CDMRNetwork(reflector->m_address, m_xlxPort, m_xlxLocal, m_xlxId, m_xlxPassword, "XLX", m_xlxDebug);

	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_xlxNumber    = number;
	m_xlxRoom      = reflector->m_startup;
    m_xlxReflector = 4000U;

	LogMessage("XLX, Connecting to XLX%03u", m_xlxNumber);

	return true;
}

void CDMRGateway::unlinkXLX()
{
	if (m_xlxNetwork != NULL) {
		m_xlxNetwork->close();
		delete m_xlxNetwork;
		m_xlxNetwork = NULL;
	}

	m_xlxConnected = false;
	m_xlxRelink.stop();
}

void CDMRGateway::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(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);
	}
}