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YSFClients/YSFGateway/YSFGateway.cpp

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/*
* Copyright (C) 2016-2020 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 "YSFGateway.h"
#include "UDPSocket.h"
#include "StopWatch.h"
#include "Version.h"
#include "YSFFICH.h"
#include "Thread.h"
#include "Timer.h"
#include "Utils.h"
#include "Log.h"
#include "GitVersion.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
#if defined(_WIN32) || defined(_WIN64)
const char* DEFAULT_INI_FILE = "YSFGateway.ini";
#else
const char* DEFAULT_INI_FILE = "/etc/YSFGateway.ini";
#endif
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <clocale>
#include <cmath>
#include <algorithm>
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, "YSFGateway version %s git #%.7s\n", VERSION, gitversion);
return 0;
} else if (arg.substr(0, 1) == "-") {
::fprintf(stderr, "Usage: YSFGateway [-v|--version] [filename]\n");
return 1;
} else {
iniFile = argv[currentArg];
}
}
}
CYSFGateway* gateway = new CYSFGateway(std::string(iniFile));
int ret = gateway->run();
delete gateway;
return ret;
}
CYSFGateway::CYSFGateway(const std::string& configFile) :
m_callsign(),
m_suffix(),
m_conf(configFile),
m_writer(NULL),
m_gps(NULL),
m_reflectors(NULL),
m_wiresX(NULL),
m_dtmf(),
m_ysfNetwork(NULL),
m_fcsNetwork(NULL),
m_linkType(LINK_NONE),
m_current(),
m_startup(),
m_options(),
m_exclude(false),
m_inactivityTimer(1000U),
m_lostTimer(1000U, 120U),
m_fcsNetworkEnabled(false),
m_remoteSocket(NULL)
{
CUDPSocket::startup();
}
CYSFGateway::~CYSFGateway()
{
CUDPSocket::shutdown();
}
int CYSFGateway::run()
{
bool ret = m_conf.read();
if (!ret) {
::fprintf(stderr, "YSFGateway: cannot read the .ini file\n");
return 1;
}
setlocale(LC_ALL, "C");
#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
#if !defined(_WIN32) && !defined(_WIN64)
ret = ::LogInitialise(m_daemon, m_conf.getLogFilePath(), m_conf.getLogFileRoot(), m_conf.getLogFileLevel(), m_conf.getLogDisplayLevel(), m_conf.getLogFileRotate());
#else
ret = ::LogInitialise(false, m_conf.getLogFilePath(), m_conf.getLogFileRoot(), m_conf.getLogFileLevel(), m_conf.getLogDisplayLevel(), m_conf.getLogFileRotate());
#endif
if (!ret) {
::fprintf(stderr, "YSFGateway: 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_suffix = m_conf.getSuffix();
bool debug = m_conf.getDebug();
sockaddr_storage rptAddr;
unsigned int rptAddrLen;
if (CUDPSocket::lookup(m_conf.getRptAddress(), m_conf.getRptPort(), rptAddr, rptAddrLen) != 0) {
::fprintf(stderr, "YSFGateway: cannot find the address of the MMDVM Host");
return 1;
}
std::string myAddress = m_conf.getMyAddress();
unsigned short myPort = m_conf.getMyPort();
CYSFNetwork rptNetwork(myAddress, myPort, m_callsign, debug);
ret = rptNetwork.setDestination("MMDVM", rptAddr, rptAddrLen);
if (!ret) {
::LogError("Cannot open the repeater network port");
::LogFinalise();
return 1;
}
bool ysfNetworkEnabled = m_conf.getYSFNetworkEnabled();
if (ysfNetworkEnabled) {
unsigned short ysfPort = m_conf.getYSFNetworkPort();
m_ysfNetwork = new CYSFNetwork(ysfPort, m_callsign, debug);
}
m_fcsNetworkEnabled = m_conf.getFCSNetworkEnabled();
if (m_fcsNetworkEnabled) {
unsigned int txFrequency = m_conf.getTxFrequency();
unsigned int rxFrequency = m_conf.getRxFrequency();
std::string locator = calculateLocator();
unsigned int id = m_conf.getId();
unsigned short fcsPort = m_conf.getFCSNetworkPort();
m_fcsNetwork = new CFCSNetwork(fcsPort, m_callsign, rxFrequency, txFrequency, locator, id, debug);
ret = m_fcsNetwork->open();
if (!ret) {
::LogError("Cannot open the FCS reflector network port");
::LogFinalise();
return 1;
}
}
m_inactivityTimer.setTimeout(m_conf.getNetworkInactivityTimeout() * 60U);
std::string fileName = m_conf.getYSFNetworkHosts();
unsigned int reloadTime = m_conf.getYSFNetworkReloadTime();
bool wiresXMakeUpper = m_conf.getWiresXMakeUpper();
m_reflectors = new CYSFReflectors(fileName, reloadTime, wiresXMakeUpper);
m_reflectors->reload();
createWiresX(&rptNetwork);
createGPS();
if (m_conf.getRemoteCommandsEnabled()) {
m_remoteSocket = new CUDPSocket(m_conf.getRemoteCommandsPort());
ret = m_remoteSocket->open();
if (!ret) {
delete m_remoteSocket;
m_remoteSocket = NULL;
}
}
m_startup = m_conf.getNetworkStartup();
m_options = m_conf.getNetworkOptions();
bool revert = m_conf.getNetworkRevert();
bool wiresXCommandPassthrough = m_conf.getWiresXCommandPassthrough();
startupLinking();
CStopWatch stopWatch;
stopWatch.start();
LogMessage("YSFGateway-%s is starting", VERSION);
LogMessage("Built %s %s (GitID #%.7s)", __TIME__, __DATE__, gitversion);
for (;;) {
unsigned char buffer[200U];
memset(buffer, 0U, 200U);
while (rptNetwork.read(buffer) > 0U) {
CYSFFICH fich;
bool valid = fich.decode(buffer + 35U);
m_exclude = false;
if (valid) {
unsigned char dt = fich.getDT();
CYSFReflector* reflector = m_wiresX->getReflector();
if (m_ysfNetwork != NULL && m_linkType == LINK_YSF && wiresXCommandPassthrough && reflector->m_wiresX) {
processDTMF(buffer, dt);
processWiresX(buffer, fich, true, wiresXCommandPassthrough);
} else {
processDTMF(buffer, dt);
processWiresX(buffer, fich, false, wiresXCommandPassthrough);
reflector = m_wiresX->getReflector(); //reflector may have changed
if (m_ysfNetwork != NULL && m_linkType == LINK_YSF && reflector->m_wiresX)
m_exclude = (dt == YSF_DT_DATA_FR_MODE);
}
if (m_gps != NULL)
m_gps->data(buffer + 14U, buffer + 35U, fich);
}
if (m_ysfNetwork != NULL && m_linkType == LINK_YSF && !m_exclude) {
if (::memcmp(buffer + 0U, "YSFD", 4U) == 0) {
m_ysfNetwork->write(buffer);
m_inactivityTimer.start();
}
}
if (m_fcsNetwork != NULL && m_linkType == LINK_FCS && !m_exclude) {
if (::memcmp(buffer + 0U, "YSFD", 4U) == 0) {
m_fcsNetwork->write(buffer);
m_inactivityTimer.start();
}
}
if ((buffer[34U] & 0x01U) == 0x01U) {
if (m_gps != NULL)
m_gps->reset();
m_dtmf.reset();
m_exclude = false;
}
}
if (m_ysfNetwork != NULL) {
while (m_ysfNetwork->read(buffer) > 0U) {
if (m_linkType == LINK_YSF) {
// Only pass through YSF data packets
if (::memcmp(buffer + 0U, "YSFD", 4U) == 0 && !m_wiresX->isBusy())
rptNetwork.write(buffer);
m_lostTimer.start();
}
}
}
if (m_fcsNetwork != NULL) {
while (m_fcsNetwork->read(buffer) > 0U) {
if (m_linkType == LINK_FCS) {
// Only pass through YSF data packets
if (::memcmp(buffer + 0U, "YSFD", 4U) == 0 && !m_wiresX->isBusy())
rptNetwork.write(buffer);
m_lostTimer.start();
}
}
}
if (m_remoteSocket != NULL)
processRemoteCommands();
unsigned int ms = stopWatch.elapsed();
stopWatch.start();
rptNetwork.clock(ms);
if (m_ysfNetwork != NULL)
m_ysfNetwork->clock(ms);
if (m_fcsNetwork != NULL)
m_fcsNetwork->clock(ms);
if (m_writer != NULL)
m_writer->clock(ms);
m_wiresX->clock(ms);
m_inactivityTimer.clock(ms);
if (m_inactivityTimer.isRunning() && m_inactivityTimer.hasExpired()) {
if (revert) {
if (m_current != m_startup) {
if (m_linkType == LINK_YSF) {
m_wiresX->processDisconnect();
m_ysfNetwork->writeUnlink(3U);
m_ysfNetwork->clearDestination();
}
if (m_linkType == LINK_FCS) {
m_fcsNetwork->writeUnlink(3U);
m_fcsNetwork->clearDestination();
}
m_current.clear();
m_lostTimer.stop();
m_linkType = LINK_NONE;
startupLinking();
}
} else {
if (m_linkType == LINK_YSF) {
LogMessage("Disconnecting due to inactivity");
m_wiresX->processDisconnect();
m_ysfNetwork->writeUnlink(3U);
m_ysfNetwork->clearDestination();
}
if (m_linkType == LINK_FCS) {
LogMessage("Disconnecting due to inactivity");
m_fcsNetwork->writeUnlink(3U);
m_fcsNetwork->clearDestination();
}
m_current.clear();
m_lostTimer.stop();
m_linkType = LINK_NONE;
}
m_inactivityTimer.start();
}
m_lostTimer.clock(ms);
if (m_lostTimer.isRunning() && m_lostTimer.hasExpired()) {
if (m_linkType == LINK_YSF) {
LogWarning("Link has failed, polls lost");
m_wiresX->processDisconnect();
m_ysfNetwork->clearDestination();
}
if (m_fcsNetwork != NULL) {
LogWarning("Link has failed, polls lost");
m_fcsNetwork->clearDestination();
}
m_current.clear();
m_inactivityTimer.start();
m_lostTimer.stop();
m_linkType = LINK_NONE;
}
if (ms < 5U)
CThread::sleep(5U);
}
rptNetwork.clearDestination();
if (m_gps != NULL) {
m_writer->close();
delete m_writer;
delete m_gps;
}
if (m_ysfNetwork != NULL) {
m_ysfNetwork->clearDestination();
delete m_ysfNetwork;
}
if (m_fcsNetwork != NULL) {
m_fcsNetwork->close();
delete m_fcsNetwork;
}
if (m_remoteSocket != NULL) {
m_remoteSocket->close();
delete m_remoteSocket;
}
delete m_wiresX;
::LogFinalise();
return 0;
}
void CYSFGateway::createGPS()
{
if (!m_conf.getAPRSEnabled())
return;
std::string address = m_conf.getAPRSAddress();
unsigned short port = m_conf.getAPRSPort();
std::string suffix = m_conf.getAPRSSuffix();
bool debug = m_conf.getDebug();
m_writer = new CAPRSWriter(m_callsign, m_suffix, address, port, suffix, debug);
unsigned int txFrequency = m_conf.getTxFrequency();
unsigned int rxFrequency = m_conf.getRxFrequency();
std::string desc = m_conf.getAPRSDescription();
std::string symbol = m_conf.getAPRSSymbol();
m_writer->setInfo(txFrequency, rxFrequency, desc, symbol);
bool enabled = m_conf.getGPSDEnabled();
if (enabled) {
std::string address = m_conf.getGPSDAddress();
std::string port = m_conf.getGPSDPort();
m_writer->setGPSDLocation(address, port);
} else {
float latitude = m_conf.getLatitude();
float longitude = m_conf.getLongitude();
int height = m_conf.getHeight();
m_writer->setStaticLocation(latitude, longitude, height);
}
bool ret = m_writer->open();
if (!ret) {
delete m_writer;
m_writer = NULL;
return;
}
m_gps = new CGPS(m_writer);
}
void CYSFGateway::createWiresX(CYSFNetwork* rptNetwork)
{
assert(rptNetwork != NULL);
m_wiresX = new CWiresX(m_callsign, m_suffix, rptNetwork, *m_reflectors);
std::string name = m_conf.getName();
unsigned int txFrequency = m_conf.getTxFrequency();
unsigned int rxFrequency = m_conf.getRxFrequency();
m_wiresX->setInfo(name, txFrequency, rxFrequency);
std::string address = m_conf.getYSFNetworkParrotAddress();
unsigned short port = m_conf.getYSFNetworkParrotPort();
if (port > 0U)
m_wiresX->setParrot(address, port);
address = m_conf.getYSFNetworkYSF2DMRAddress();
port = m_conf.getYSFNetworkYSF2DMRPort();
if (port > 0U)
m_wiresX->setYSF2DMR(address, port);
address = m_conf.getYSFNetworkYSF2NXDNAddress();
port = m_conf.getYSFNetworkYSF2NXDNPort();
if (port > 0U)
m_wiresX->setYSF2NXDN(address, port);
address = m_conf.getYSFNetworkYSF2P25Address();
port = m_conf.getYSFNetworkYSF2P25Port();
if (port > 0U)
m_wiresX->setYSF2P25(address, port);
std::string filename = m_conf.getFCSNetworkFile();
if (m_fcsNetworkEnabled)
readFCSRoomsFile(filename);
m_reflectors->load();
m_wiresX->start();
}
void CYSFGateway::processWiresX(const unsigned char* buffer, const CYSFFICH& fich, bool dontProcessWiresXLocal, bool wiresXCommandPassthrough)
{
assert(buffer != NULL);
WX_STATUS status = m_wiresX->process(buffer + 35U, buffer + 14U, fich, dontProcessWiresXLocal);
switch (status) {
case WXS_CONNECT_YSF: {
if (m_linkType == LINK_YSF)
m_ysfNetwork->writeUnlink(3U);
if (m_linkType == LINK_FCS) {
m_fcsNetwork->writeUnlink(3U);
m_fcsNetwork->clearDestination();
}
CYSFReflector* reflector = m_wiresX->getReflector();
LogMessage("Connect to %5.5s - \"%s\" has been requested by %10.10s", reflector->m_id.c_str(), reflector->m_name.c_str(), buffer + 14U);
m_ysfNetwork->setDestination(reflector->m_name, reflector->m_addr, reflector->m_addrLen);
m_ysfNetwork->writePoll(3U);
m_current = reflector->m_id;
m_inactivityTimer.start();
m_lostTimer.start();
m_linkType = LINK_YSF;
// If we are linking to a YSF2xxx mode, send the YSF2xxx gateway the link command too
if (reflector->m_wiresX && wiresXCommandPassthrough) {
LogMessage("Forward WiresX Connect to \"%s\"", reflector->m_name.c_str());
m_wiresX->sendConnect(m_ysfNetwork);
}
}
break;
case WXS_CONNECT_FCS: {
if (m_linkType == LINK_YSF) {
m_ysfNetwork->writeUnlink(3U);
m_ysfNetwork->clearDestination();
}
if (m_linkType == LINK_FCS)
m_fcsNetwork->writeUnlink(3U);
m_current.clear();
m_inactivityTimer.start();
m_lostTimer.stop();
m_linkType = LINK_NONE;
CYSFReflector* reflector = m_wiresX->getReflector();
LogMessage("Connect to %s - \"%s\" has been requested by %10.10s", reflector->m_id.c_str(), reflector->m_name.c_str(), buffer + 14U);
std::string name = reflector->m_name;
name.resize(8U, '0');
bool ok = m_fcsNetwork->writeLink(name);
if (ok) {
m_current = name;
m_lostTimer.start();
m_linkType = LINK_FCS;
} else {
LogMessage("Unknown reflector - %s", name.c_str());
}
}
break;
case WXS_DISCONNECT:
if (m_linkType == LINK_YSF) {
LogMessage("Disconnect has been requested by %10.10s", buffer + 14U);
if ( (wiresXCommandPassthrough) && (::memcmp(buffer + 0U, "YSFD", 4U) == 0) ) {
// Send the disconnect to the YSF2xxx gateway too
m_ysfNetwork->write(buffer);
}
m_ysfNetwork->writeUnlink(3U);
m_ysfNetwork->clearDestination();
m_current.clear();
m_inactivityTimer.start();
m_lostTimer.stop();
m_linkType = LINK_NONE;
}
if (m_linkType == LINK_FCS) {
LogMessage("Disconnect has been requested by %10.10s", buffer + 14U);
m_fcsNetwork->writeUnlink(3U);
m_fcsNetwork->clearDestination();
m_current.clear();
m_inactivityTimer.start();
m_lostTimer.stop();
m_linkType = LINK_NONE;
}
break;
default:
break;
}
}
void CYSFGateway::processDTMF(unsigned char* buffer, unsigned char dt)
{
assert(buffer != NULL);
WX_STATUS status = WXS_NONE;
switch (dt) {
case YSF_DT_VD_MODE2:
status = m_dtmf.decodeVDMode2(buffer + 35U, (buffer[34U] & 0x01U) == 0x01U);
break;
default:
break;
}
switch (status) {
case WXS_CONNECT_YSF: {
std::string id = m_dtmf.getReflector();
CYSFReflector* reflector = m_reflectors->findById(id);
if (reflector != NULL) {
m_wiresX->processConnect(reflector);
if (m_linkType == LINK_YSF)
m_ysfNetwork->writeUnlink(3U);
if (m_linkType == LINK_FCS) {
m_fcsNetwork->writeUnlink(3U);
m_fcsNetwork->clearDestination();
}
LogMessage("Connect via DTMF to %5.5s - \"%s\" has been requested by %10.10s", reflector->m_id.c_str(), reflector->m_name.c_str(), buffer + 14U);
m_ysfNetwork->setDestination(reflector->m_name, reflector->m_addr, reflector->m_addrLen);
m_ysfNetwork->writePoll(3U);
m_current = id;
m_inactivityTimer.start();
m_lostTimer.start();
m_linkType = LINK_YSF;
}
}
break;
case WXS_CONNECT_FCS: {
std::string raw = m_dtmf.getReflector();
std::string id = "FCS00";
std::string idShort = "FCS";
if (raw.length() == 2U) {
id += raw.at(0U) + std::string("0") + raw.at(1U);
} else if (raw.length() == 3U) {
id += raw;
} else if (raw.length() == 5U) {
id = idShort;
id += raw;
} else {
LogWarning("Nonsense from the DTMF decoder - \"%s\"", raw.c_str());
return;
}
if (m_linkType == LINK_YSF) {
m_wiresX->processDisconnect();
m_ysfNetwork->writeUnlink(3U);
m_ysfNetwork->clearDestination();
}
if (m_linkType == LINK_FCS)
m_fcsNetwork->writeUnlink(3U);
m_current.clear();
m_inactivityTimer.stop();
m_lostTimer.stop();
m_linkType = LINK_NONE;
LogMessage("Connect via DTMF to %s has been requested by %10.10s", id.c_str(), buffer + 14U);
bool ok = m_fcsNetwork->writeLink(id);
if (ok) {
m_current = id;
m_inactivityTimer.start();
m_lostTimer.start();
m_linkType = LINK_FCS;
} else {
LogMessage("Unknown reflector - %s", id.c_str());
}
}
break;
case WXS_DISCONNECT:
if (m_linkType == LINK_YSF) {
m_wiresX->processDisconnect();
LogMessage("Disconnect via DTMF has been requested by %10.10s", buffer + 14U);
m_ysfNetwork->writeUnlink(3U);
m_ysfNetwork->clearDestination();
m_current.clear();
m_inactivityTimer.start();
m_lostTimer.stop();
m_linkType = LINK_NONE;
}
if (m_linkType == LINK_FCS) {
LogMessage("Disconnect via DTMF has been requested by %10.10s", buffer + 14U);
m_fcsNetwork->writeUnlink(3U);
m_fcsNetwork->clearDestination();
m_current.clear();
m_inactivityTimer.start();
m_lostTimer.stop();
m_linkType = LINK_NONE;
}
break;
default:
break;
}
}
std::string CYSFGateway::calculateLocator()
{
std::string locator;
float latitude = m_conf.getLatitude();
float longitude = m_conf.getLongitude();
if (latitude < -90.0F || latitude > 90.0F)
return "AA00AA";
if (longitude < -360.0F || longitude > 360.0F)
return "AA00AA";
latitude += 90.0F;
if (longitude > 180.0F)
longitude -= 360.0F;
if (longitude < -180.0F)
longitude += 360.0F;
longitude += 180.0F;
float lon = ::floor(longitude / 20.0F);
float lat = ::floor(latitude / 10.0F);
locator += 'A' + (unsigned int)lon;
locator += 'A' + (unsigned int)lat;
longitude -= lon * 20.0F;
latitude -= lat * 10.0F;
lon = ::floor(longitude / 2.0F);
lat = ::floor(latitude / 1.0F);
locator += '0' + (unsigned int)lon;
locator += '0' + (unsigned int)lat;
longitude -= lon * 2.0F;
latitude -= lat * 1.0F;
lon = ::floor(longitude / (2.0F / 24.0F));
lat = ::floor(latitude / (1.0F / 24.0F));
locator += 'A' + (unsigned int)lon;
locator += 'A' + (unsigned int)lat;
return locator;
}
void CYSFGateway::startupLinking()
{
if (!m_startup.empty()) {
if (m_startup.substr(0U, 3U) == "FCS" && m_fcsNetwork != NULL) {
m_current.clear();
m_inactivityTimer.stop();
m_lostTimer.stop();
m_linkType = LINK_NONE;
bool ok = m_fcsNetwork->writeLink(m_startup);
m_fcsNetwork->setOptions(m_options);
if (ok) {
LogMessage("Automatic (re-)connection to %s", m_startup.c_str());
m_current = m_startup;
m_inactivityTimer.start();
m_lostTimer.start();
m_linkType = LINK_FCS;
} else {
LogMessage("Unknown reflector - %s", m_startup.c_str());
}
} else if (m_ysfNetwork != NULL) {
m_current.clear();
m_inactivityTimer.stop();
m_lostTimer.stop();
m_linkType = LINK_NONE;
CYSFReflector* reflector = m_reflectors->findByName(m_startup);
if (reflector != NULL) {
LogMessage("Automatic (re-)connection to %5.5s - \"%s\"", reflector->m_id.c_str(), reflector->m_name.c_str());
m_ysfNetwork->setOptions(m_options);
m_wiresX->setReflector(reflector);
m_ysfNetwork->setDestination(reflector->m_name, reflector->m_addr, reflector->m_addrLen);
m_ysfNetwork->writePoll(3U);
m_current = m_startup;
m_inactivityTimer.start();
m_lostTimer.start();
m_linkType = LINK_YSF;
}
}
}
if (m_startup.empty())
LogMessage("No connection startup");
}
void CYSFGateway::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, ";");
char* p2 = ::strtok(NULL, ";");
if (p1 != NULL && p2 != NULL) {
m_wiresX->addFCSRoom(p1, p2);
count++;
}
}
::fclose(fp);
LogInfo("Loaded %u FCS room descriptions", count);
}
void CYSFGateway::processRemoteCommands()
{
unsigned char buffer[200U];
sockaddr_storage addr;
unsigned int addrLen;
int res = m_remoteSocket->read(buffer, 200U, addr, addrLen);
if (res > 0) {
buffer[res] = '\0';
if ((::memcmp(buffer + 0U, "LinkYSF", 7U) == 0) && (strlen((char*)buffer + 0U) > 8)) {
std::string id = std::string((char*)(buffer + 8U));
// Left trim
id.erase(id.begin(), std::find_if(id.begin(), id.end(), [](unsigned char ch) { return !std::isspace(ch); }));
CYSFReflector* reflector = m_reflectors->findById(id);
if (reflector == NULL)
reflector = m_reflectors->findByName(id);
if (reflector != NULL) {
m_wiresX->processConnect(reflector);
if (m_linkType == LINK_YSF)
m_ysfNetwork->writeUnlink(3U);
if (m_linkType == LINK_FCS) {
m_fcsNetwork->writeUnlink(3U);
m_fcsNetwork->clearDestination();
}
LogMessage("Connect by remote command to %5.5s - \"%s\"", reflector->m_id.c_str(), reflector->m_name.c_str());
m_ysfNetwork->setDestination(reflector->m_name, reflector->m_addr, reflector->m_addrLen);
m_ysfNetwork->writePoll(3U);
m_current = id;
m_inactivityTimer.start();
m_lostTimer.start();
m_linkType = LINK_YSF;
} else {
LogWarning("Invalid YSF reflector id/name - \"%s\"", id.c_str());
return;
}
} else if ((::memcmp(buffer + 0U, "LinkFCS", 7U) == 0) && (strlen((char*)buffer + 0U) > 8)) {
std::string raw = std::string((char*)(buffer + 8U));
// Left trim
raw.erase(raw.begin(), std::find_if(raw.begin(), raw.end(), [](unsigned char ch) { return !std::isspace(ch); }));
std::string id = "FCS00";
std::string idShort = "FCS";
if (raw.length() == 3U) {
id += raw;
} else if (raw.length() == 5U) {
id = idShort;
id += raw;
} else {
LogWarning("Invalid FCS reflector id - \"%s\"", raw.c_str());
return;
}
if (m_linkType == LINK_YSF) {
m_wiresX->processDisconnect();
m_ysfNetwork->writeUnlink(3U);
m_ysfNetwork->clearDestination();
}
if (m_linkType == LINK_FCS)
m_fcsNetwork->writeUnlink(3U);
m_current.clear();
m_inactivityTimer.stop();
m_lostTimer.stop();
m_linkType = LINK_NONE;
LogMessage("Connect by remote command to %s", id.c_str());
bool ok = m_fcsNetwork->writeLink(id);
if (ok) {
m_current = id;
m_inactivityTimer.start();
m_lostTimer.start();
m_linkType = LINK_FCS;
} else {
LogMessage("Unknown reflector - %s", id.c_str());
}
} else if (::memcmp(buffer + 0U, "UnLink", 6U) == 0) {
if (m_linkType == LINK_YSF) {
m_wiresX->processDisconnect();
LogMessage("Disconnect by remote command");
m_ysfNetwork->writeUnlink(3U);
m_ysfNetwork->clearDestination();
m_current.clear();
m_inactivityTimer.stop();
m_lostTimer.stop();
m_linkType = LINK_NONE;
}
if (m_linkType == LINK_FCS) {
LogMessage("Disconnect by remote command");
m_fcsNetwork->writeUnlink(3U);
m_fcsNetwork->clearDestination();
m_current.clear();
m_inactivityTimer.stop();
m_lostTimer.stop();
m_linkType = LINK_NONE;
}
} else if (::memcmp(buffer + 0U, "status", 6U) == 0) {
std::string state = std::string("ysf:") + (((m_ysfNetwork == NULL) && (m_fcsNetwork == NULL)) ? "n/a" : ((m_linkType != LINK_NONE) ? "conn" : "disc"));
m_remoteSocket->write((unsigned char*)state.c_str(), (unsigned int)state.length(), addr, addrLen);
} else if (::memcmp(buffer + 0U, "host", 4U) == 0) {
std::string ref = ((((m_ysfNetwork == NULL) && (m_fcsNetwork == NULL)) || (m_linkType == LINK_NONE)) ? "NONE" : m_current);
std::string host = std::string("ysf:\"") + ref + "\"";
m_remoteSocket->write((unsigned char*)host.c_str(), (unsigned int)host.length(), addr, addrLen);
} else {
CUtils::dump("Invalid remote command received", buffer, res);
}
}
}
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