bool CMMDVMController::start()
{
findPort();
bool ret = openModem();
if (!ret)
return false;
findPath();
Create();
SetPriority(100U);
Run();
return true;
}
bool CDVRPTRControllerV2::open()
{
findPort();
bool ret = openModem();
if (!ret)
return false;
findPath();
Create();
SetPriority(100U);
Run();
return true;
}
bool CGMSKModemWinUSB::open()
{
wxASSERT(m_handle == INVALID_HANDLE_VALUE);
bool res = openModem();
if (!res) {
wxLogError(wxT("Cannot find the GMSK Modem with address: 0x%04X"), m_address);
return false;
}
wxLogInfo(wxT("Found the GMSK Modem with address: 0x%04X"), m_address);
wxString version;
int ret;
do {
unsigned char buffer[GMSK_MODEM_DATA_LENGTH];
ret = io(GET_VERSION, 0xC0U, 0U, buffer, GMSK_MODEM_DATA_LENGTH);
if (ret > 0) {
wxString text((char*)buffer, wxConvLocal, ret);
version.Append(text);
} else if (ret < 0) {
wxLogError(wxT("GET_VERSION returned %d"), -ret);
close();
return false;
}
} while (ret == int(GMSK_MODEM_DATA_LENGTH));
wxLogInfo(wxT("Firmware version: %s"), version.c_str());
// Trap firmware version 0.1.00 of DUTCH*Star and complain loudly
if (version.Find(wxT("DUTCH*Star")) != wxNOT_FOUND && version.Find(wxT("0.1.00")) != wxNOT_FOUND) {
wxLogWarning(wxT("This modem firmware is not supported by the repeater"));
wxLogWarning(wxT("Please upgrade to a newer version"));
close();
return false;
}
// DUTCH*Star firmware has a broken concept of free space
if (version.Find(wxT("DUTCH*Star")) != wxNOT_FOUND)
m_brokenSpace = true;
return true;
}
bool CDVRPTRControllerV2::findModem()
{
m_serial.close();
// Tell the repeater that the signal has gone away
if (m_rx) {
purgeRX();
m_mutex.Lock();
unsigned char data[2U];
data[0U] = DQT_EOT;
data[1U] = 0U;
m_rxData.addData(data, 2U);
m_mutex.Unlock();
m_rx = false;
}
unsigned int count = 0U;
// Purge the transmit buffer every 500ms to avoid overflow, but only try and reopen the modem every 2s
while (!m_stopped) {
purgeTX();
count++;
if (count >= 4U) {
wxLogMessage(wxT("Trying to reopen the modem"));
bool ret = findPort();
if (ret) {
ret = openModem();
if (ret)
return true;
}
count = 0U;
}
Sleep(500UL);
}
return false;
}
bool CGMSKModemLibUsb::open()
{
wxASSERT(m_context != NULL);
wxASSERT(m_handle == NULL);
bool ret1 = openModem();
if (!ret1) {
wxLogError(wxT("Cannot find the GMSK Modem with address: 0x%04X"), m_address);
return false;
}
wxLogInfo(wxT("Found the GMSK Modem with address: 0x%04X"), m_address);
wxString version;
int ret2;
do {
unsigned char buffer[GMSK_MODEM_DATA_LENGTH];
ret2 = io(0xC0, GET_VERSION, 0, 0, buffer, GMSK_MODEM_DATA_LENGTH, USB_TIMEOUT);
if (ret2 > 0) {
wxString text((char*)buffer, wxConvLocal, ret2);
version.Append(text);
} else if (ret2 < 0) {
wxLogError(wxT("GET_VERSION, err=%d"), ret2);
close();
return false;
}
} while (ret2 == int(GMSK_MODEM_DATA_LENGTH));
wxLogInfo(wxT("Firmware version: %s"), version.c_str());
// Trap firmware version 0.1.00 of DUTCH*Star and complain loudly
if (version.Find(wxT("DUTCH*Star")) != wxNOT_FOUND && version.Find(wxT("0.1.00")) != wxNOT_FOUND) {
wxLogWarning(wxT("This modem firmware is not fully supported by the GMSK Repeater"));
wxLogWarning(wxT("Please upgrade to a newer version if possible"));
m_broken = true;
}
return true;
}
void termnetd(portConf *pDevice)
{
int mfd, mError = 0, sflg = 0, cnt, rv;
FILE *tnlin = NULL, *tnlout = NULL, *mfp = NULL;
char commbuf[256];
fd_set readFds, excpFds;
int nSynch = 0;
struct sigaction sigact;
if (dbg) syslog(LOG_DEBUG, "telnetd():Enter");
memset(&sigact, 0, sizeof(sigact));
sigact.sa_flags = SA_RESTART;
sigact.sa_handler = disablePort;
sigaction(SIGUSR1, &sigact, NULL);
sigact.sa_handler = enablePort;
sigaction(SIGUSR2, &sigact, NULL);
sigact.sa_handler = SIG_IGN;
sigaction(SIGALRM, &sigact, NULL);
sigact.sa_handler = SIG_IGN;
sigaction(SIGCHLD, &sigact, NULL);
pDevc = pDevice;
mfd = openModem(pDevc);
pDevc->mfd = mfd;
PortEnabled = 1;
if ((rv = tnlInit(NULL, NULL, &tnlin, &tnlout, 15)) != -1)
{
if (dbg) syslog(LOG_DEBUG, "telnetd():libtn initialized");
/*
** Enable the proccessing of a few options & set the
** Baud rate and port settings of the device
*/
tnlSetCallBack(TNL_ISSUBOPTDATA_CB, handleNewSubOptData);
tnlSetCallBack(TNL_SPECIALCHAR_CB, handleSpecialChars);
tnlSetCallBack(TNL_ERROR_CB, handleTelNetErrors);
tnlEnableOption(TELOPT_BAUDRATE);
tnlEnableOption(TELOPT_PORTSET);
tnlEnableOption(TELOPT_DEVICE);
tnlEnableOption(TELOPT_ECHO);
if (dbg) syslog(LOG_DEBUG, "telnetd():Initial Baudrate of |%s|",
pDevice->baud);
tnlSetSubOption(TELOPT_BAUDRATE, pDevice->baud);
if (dbg) syslog(LOG_DEBUG, "telnetd():Initial Port parms of |%s|",
pDevice->port);
tnlSetSubOption(TELOPT_PORTSET, pDevice->port);
tnlSetSubOption(TELOPT_DEVICE, pDevice->devc);
tnlOfferOption(TELOPT_SGA, 1);
tnlRequestOption(TELOPT_SGA, 1);
if (dbg) syslog(LOG_DEBUG, "telnetd():Options offered");
for (;;)
{
if (mfp == NULL)
{
if (dbg) syslog(LOG_DEBUG, "telnetd():Opening buffered I/O for device");
if ((mfp = fdopen(mfd, "w")) == NULL)
{
syslog(LOG_ERR, "Error opening buffer I/O for device %s:%m",
pDevice->devc);
closeModem(pDevc);
close(0);
exit(1);
}
if (dbg) syslog(LOG_DEBUG, "telnetd():Done opening buffered I/O for device");
}
FD_ZERO(&readFds);
FD_ZERO(&excpFds);
FD_SET(fileno(tnlin), &readFds);
FD_SET(mfd, &readFds);
if (dbg) syslog(LOG_DEBUG, "telnetd():Calling tnlSelect");
if ((sflg = tnlSelect(&readFds, NULL, &excpFds, NULL)) >= 0)
{
if (dbg > 2) syslog(LOG_DEBUG, "telnetd():Returned from tnlSelect");
if (mfd && FD_ISSET(mfd, &readFds))
{
if (dbg > 2) syslog(LOG_DEBUG, "telnetd():Have data from Modem");
if ((cnt = read(mfd, commbuf, sizeof(commbuf) - 1)) > 0)
{
commbuf[cnt] = '\0';
if (dbg > 2) syslog(LOG_DEBUG, "telnetd():Read %d bytes from modem: |%s|",
cnt, commbuf);
if (PortEnabled)
{
if ((cnt = write(fileno(tnlout), commbuf, cnt)) < 0)
{
syslog(LOG_ERR, "telnetd():Error Writing to network:%m");
syslog(LOG_INFO, "telnetd():Shutting down proccess");
fclose(mfp);
close(mfd);
close(0);
exit(0);
}
if (dbg > 2) syslog(LOG_DEBUG, "telnetd():Wrote %d bytes to Network",
cnt);
}
else
if (dbg > 2) syslog(LOG_DEBUG, "telnetd():Chucked %d bytes from modem",
cnt);
}
else if (cnt < 0 && errno != EAGAIN && errno != EINTR)
{
syslog(LOG_ERR, "telnetd():Error Reading from modem:%m");
mError = 1;
mfd = 0;
mfp = NULL;
exit(1);
}
}
if (FD_ISSET(fileno(tnlin), &readFds))
{
if (dbg > 2) syslog(LOG_DEBUG, "telnetd():Have data from Network!");
if ((cnt = read(fileno(tnlin), commbuf, sizeof(commbuf))) > 0)
{
commbuf[cnt] = '\0';
if (dbg) syslog(LOG_DEBUG, "telnetd():Read %d bytes from Network: |%s|",
cnt, commbuf);
if (PortEnabled)
{
if ((cnt = write(mfd, commbuf, cnt)) < 0)
{
syslog(LOG_ERR, "telnetd():Error Writing to modem:%m");
syslog(LOG_INFO, "Shutting down proccess");
closeModem(pDevc);
fclose(mfp);
pDevc->mfd = -1;
close(0);
exit(0);
}
if (dbg) syslog(LOG_DEBUG, "telnetd():Wrote %d bytes to modem",
cnt);
}
else
if (dbg > 2) syslog(LOG_DEBUG, "telnetd():Chucked %d bytes from network",
cnt);
}
else
{
if (dbg > 2) syslog(LOG_ERR, "telnetd():Error reading network:%m");
if (dbg > 2) syslog(LOG_DEBUG, "telnetd():Error reading network:%m");
if (dbg > 2) syslog(LOG_INFO, "telnetd():Shutting down proccess");
closeModem(pDevc);
fclose(mfp);
pDevc->mfd = -1;
close(0);
exit(0);
}
}
if (FD_ISSET(fileno(tnlin), &excpFds))
{
nSynch = 1;
}
}
else
syslog(LOG_ERR, "telnetd():Quiting!! Error from tnlSelect:%m");
}
}
else
syslog(LOG_ERR, "telnetd():Error connecting:m");
closeModem(pDevc);
fclose(mfp);
pDevc->mfd = -1;
close(0);
}
