void CDStarRepeaterRXThread::receiveSlowData(unsigned char* data, unsigned int)
{
unsigned int errs;
errs = countBits(data[VOICE_FRAME_LENGTH_BYTES + 0U] ^ DATA_SYNC_BYTES[0U]);
errs += countBits(data[VOICE_FRAME_LENGTH_BYTES + 1U] ^ DATA_SYNC_BYTES[1U]);
errs += countBits(data[VOICE_FRAME_LENGTH_BYTES + 2U] ^ DATA_SYNC_BYTES[2U]);
// The data sync has been seen, a fuzzy match is used, two bit errors or less
if (errs <= MAX_DATA_SYNC_BIT_ERRS) {
// wxLogMessage(wxT("Found data sync at frame %u, errs: %u"), m_radioSeqNo, errs);
m_radioSeqNo = 0U;
m_slowDataDecoder.sync();
} else if (m_radioSeqNo == 20U) {
// wxLogMessage(wxT("Assuming data sync"));
m_radioSeqNo = 0U;
m_slowDataDecoder.sync();
} else {
m_radioSeqNo++;
m_slowDataDecoder.addData(data + VOICE_FRAME_LENGTH_BYTES);
CHeaderData* header = m_slowDataDecoder.getHeaderData();
if (header == NULL)
return;
wxLogMessage(wxT("Radio header from slow data - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X BER: 0%%"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3());
if (header != NULL) {
bool res = processRadioHeader(header);
if (res) {
// A valid header and is a DV packet, go to normal data relaying
setRadioState(DSRXS_PROCESS_DATA);
} else {
// This is a DD packet or some other problem
// wxLogMessage(wxT("Invalid header"));
}
}
}
}
void CDStarRepeaterTXRXThread::transmitNetworkHeader(const CHeaderData& header)
{
wxLogMessage(wxT("Transmitting to - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X"), header.getMyCall1().c_str(), header.getMyCall2().c_str(), header.getYourCall().c_str(), header.getRptCall1().c_str(), header.getRptCall2().c_str(), header.getFlag1(), header.getFlag2(), header.getFlag3());
bool empty = m_networkQueue[m_readNum]->isEmpty();
if (!empty) {
bool headerReady = m_networkQueue[m_readNum]->headerReady();
if (headerReady) {
// Transmission has never started, so just purge the queue
m_networkQueue[m_readNum]->reset();
m_readNum++;
if (m_readNum >= NETWORK_QUEUE_COUNT)
m_readNum = 0U;
} else {
// Append an end of stream
m_networkQueue[m_readNum]->reset();
m_networkQueue[m_readNum]->addData(END_PATTERN_BYTES, DV_FRAME_LENGTH_BYTES, true);
}
}
m_networkQueue[m_writeNum]->reset();
m_networkQueue[m_writeNum]->setHeader(new CHeaderData(header));
}
void CDVAPNodeRXThread::receiveRadioHeader()
{
CHeaderData* header = m_dvap->readHeader();
if (header == NULL)
return;
wxLogMessage(wxT("Header decoded - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3());
bool res = processRadioHeader(header);
if (res) {
// A valid header and is a DV packet
m_radioSeqNo = 20U;
m_ambeFrames = 0U;
m_ambeSilence = 0U;
m_ambeBits = 1U;
m_ambeErrors = 0U;
m_lastAMBEBits = 0U;
m_lastAMBEErrors = 0U;
} else {
// This is a DD packet or some other problem
// wxLogMessage(wxT("Invalid header"));
}
}
void CDVToolReaderThread::processHeader(const unsigned char* buffer)
{
// Tell the GUI about the header, we assume that it's valid
CHeaderData* header = new CHeaderData(buffer, RADIO_HEADER_LENGTH_BYTES, false);
wxLogMessage(wxT("Header decoded - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3());
::wxGetApp().showHeader(header);
}
void CSoundCardRepeaterTXThread::transmitNetworkHeader(CHeaderData& header)
{
wxLogMessage(wxT("Transmitting to - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X"), header.getMyCall1().c_str(), header.getMyCall2().c_str(), header.getYourCall().c_str(), header.getRptCall1().c_str(), header.getRptCall2().c_str(), header.getFlag1(), header.getFlag2(), header.getFlag3());
// Send the bit sync, 700 bits in 4 bit chunks
for (unsigned int i = 0U; i < 175U; i++)
m_networkBuffer.addData(BIT_SYNC_BITS, BIT_SYNC_LENGTH_BITS);
// Send the frame sync
m_networkBuffer.addData(FRAME_SYNC_BITS, FRAME_SYNC_LENGTH_BITS);
// Send the header
bool headerBits[FEC_SECTION_LENGTH_BITS];
CRadioHeaderEncoder encoder(header);
encoder.getRadioData(headerBits, FEC_SECTION_LENGTH_BITS);
m_networkBuffer.addData(headerBits, FEC_SECTION_LENGTH_BITS);
m_networkStarted = false;
m_networkRun = 0U;
}
bool CDVAPController::writeHeader(const CHeaderData& header)
{
m_streamId++;
unsigned char buffer[50U];
::memcpy(buffer, DVAP_HEADER, DVAP_HEADER_LEN);
wxUint16 sid = wxUINT16_SWAP_ON_BE(m_streamId);
::memcpy(buffer + 2U, &sid, sizeof(wxUint16));
buffer[4U] = 0x80U;
buffer[5U] = 0U;
::memset(buffer + 6U, ' ', RADIO_HEADER_LENGTH_BYTES);
buffer[6U] = header.getFlag1();
buffer[7U] = header.getFlag2();
buffer[8U] = header.getFlag3();
wxString rpt2 = header.getRptCall2();
for (unsigned int i = 0U; i < rpt2.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 9U] = rpt2.GetChar(i);
wxString rpt1 = header.getRptCall1();
for (unsigned int i = 0U; i < rpt1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 17U] = rpt1.GetChar(i);
wxString your = header.getYourCall();
for (unsigned int i = 0U; i < your.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 25U] = your.GetChar(i);
wxString my1 = header.getMyCall1();
for (unsigned int i = 0U; i < my1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
buffer[i + 33U] = my1.GetChar(i);
wxString my2 = header.getMyCall2();
for (unsigned int i = 0U; i < my2.Len() && i < SHORT_CALLSIGN_LENGTH; i++)
buffer[i + 41U] = my2.GetChar(i);
CCCITTChecksumReverse cksum;
cksum.update(buffer + 6U, RADIO_HEADER_LENGTH_BYTES - 2U);
cksum.result(buffer + 45U);
m_framePos = 0U;
m_seq = 0U;
wxMutexLocker locker(m_mutex);
unsigned int space = m_txData.freeSpace();
if (space < 48U) {
wxLogMessage(wxT("Out of space in the DVAP TX queue"));
return false;
}
unsigned char len = DVAP_HEADER_LEN;
m_txData.addData(&len, 1U);
m_txData.addData(buffer, DVAP_HEADER_LEN);
return true;
}
bool CGMSKModemLibUsb::writeHeader(const CHeaderData& header)
{
wxASSERT(m_handle != NULL);
unsigned char myCall1[LONG_CALLSIGN_LENGTH];
unsigned char myCall2[SHORT_CALLSIGN_LENGTH];
unsigned char yourCall[LONG_CALLSIGN_LENGTH];
unsigned char rptCall1[LONG_CALLSIGN_LENGTH];
unsigned char rptCall2[LONG_CALLSIGN_LENGTH];
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
myCall1[i] = header.getMyCall1().GetChar(i);
for (unsigned int i = 0U; i < SHORT_CALLSIGN_LENGTH; i++)
myCall2[i] = header.getMyCall2().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
yourCall[i] = header.getYourCall().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall1[i] = header.getRptCall1().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall2[i] = header.getRptCall2().GetChar(i);
int ret = ::libusb_control_transfer(m_handle, 0x40, SET_MyCALL2, 0, 0, myCall2, SHORT_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_MyCALL2, err=%d"), ret);
return false;
}
ret = ::libusb_control_transfer(m_handle, 0x40, SET_MyCALL, 0, 0, myCall1, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_MyCALL, err=%d"), ret);
return false;
}
ret = ::libusb_control_transfer(m_handle, 0x40, SET_YourCALL, 0, 0, yourCall, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_YourCALL, err=%d"), ret);
return false;
}
ret = ::libusb_control_transfer(m_handle, 0x40, SET_RPT1CALL, 0, 0, rptCall1, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_RPT1CALL, err=%d"), ret);
return false;
}
ret = ::libusb_control_transfer(m_handle, 0x40, SET_RPT2CALL, 0, 0, rptCall2, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_RPT2CALL, err=%d"), ret);
return false;
}
unsigned char flags[3U];
flags[0U] = header.getFlag1();
flags[1U] = header.getFlag2();
flags[2U] = header.getFlag3();
ret = ::libusb_control_transfer(m_handle, 0x40, SET_FLAGS, 0, 0, flags, 3, USB_TIMEOUT);
if (ret < 0) {
wxLogMessage(wxT("SET_FLAGS, err=%d"), ret);
return false;
}
return true;
}
CHeaderData* CSoundCardRepeaterTXRXThread::processSlowData(bool sync)
{
bool bits[DV_FRAME_LENGTH_BITS];
m_bitBuffer.getData(bits, DV_FRAME_LENGTH_BITS);
if (sync) {
m_slowDataDecoder.sync();
return NULL;
}
unsigned char bytes[DATA_FRAME_LENGTH_BYTES];
// Convert the bits to bytes
unsigned int n = 0U;
for (unsigned int i = 0U; i < DATA_FRAME_LENGTH_BYTES; i++, n += 8U)
bytes[i] = CUtils::bitsToByteRev(bits + VOICE_FRAME_LENGTH_BITS + n);
m_slowDataDecoder.addData(bytes);
CHeaderData* header = m_slowDataDecoder.getHeaderData();
if (header == NULL)
return NULL;
wxLogMessage(wxT("Radio header from slow data - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X BER: 0%%"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3());
m_headerBER = 0U;
return header;
}
CHeaderData* CSoundCardRepeaterTXRXThread::processFECHeader()
{
bool buffer[FEC_SECTION_LENGTH_BITS];
m_bitBuffer.getData(buffer, FEC_SECTION_LENGTH_BITS);
CRadioHeaderDecoder decoder(buffer, FEC_SECTION_LENGTH_BITS);
CHeaderData* header = decoder.getHeaderData();
if (header == NULL)
return NULL;
m_headerBER = decoder.getBER();
wxLogMessage(wxT("Radio header decoded - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X BER: %u%%"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3(), m_headerBER);
return header;
}
void CDummyRepeaterThread::transmit()
{
m_encodeData.clear();
m_dongle->setMode(DVDMODE_ENCODE);
// Pause until all the silence data has been processed by the AMBE2020
for (unsigned int startCount = 30U; startCount > 0U; startCount--) {
unsigned char frame[DV_FRAME_LENGTH_BYTES];
unsigned int n = 0U;
do {
n += m_encodeData.getData(frame + n, VOICE_FRAME_LENGTH_BYTES - n);
if (n < VOICE_FRAME_LENGTH_BYTES)
Sleep(DSTAR_FRAME_TIME_MS / 4UL);
} while (n < VOICE_FRAME_LENGTH_BYTES);
serviceNetwork();
checkController();
}
CHeaderData* header = new CHeaderData(m_callsign1, m_callsign2, m_your, m_rpt2, m_rpt1);
wxLogMessage(wxT("Transmitting to - My: %s/%s Your: %s Rpt1: %s Rpt2: %s"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str());
m_slowDataEncoder.reset();
m_slowDataEncoder.setHeaderData(*header);
serviceNetwork();
checkController();
if (!m_message.IsEmpty())
m_slowDataEncoder.setMessageData(m_message);
m_protocol->writeHeader(*header);
delete header;
serviceNetwork();
checkController();
m_frameCount = 20U;
unsigned int endCount = 30U;
// While transmitting and not exiting
for (;;) {
unsigned char frame[DV_FRAME_LENGTH_BYTES];
unsigned int n = 0U;
do {
n += m_encodeData.getData(frame + n, VOICE_FRAME_LENGTH_BYTES - n);
if (n < VOICE_FRAME_LENGTH_BYTES)
Sleep(DSTAR_FRAME_TIME_MS / 4UL);
} while (n < VOICE_FRAME_LENGTH_BYTES);
serviceNetwork();
checkController();
if (m_frameCount == 20U) {
// Put in the data resync pattern
::memcpy(frame + VOICE_FRAME_LENGTH_BYTES, DATA_SYNC_BYTES, DATA_FRAME_LENGTH_BYTES);
m_frameCount = 0U;
} else {
// Tack the slow data on the end
m_slowDataEncoder.getData(frame + VOICE_FRAME_LENGTH_BYTES);
m_frameCount++;
}
if (m_transmit != CLIENT_TRANSMIT)
endCount--;
// Send the AMBE and slow data frame
if (endCount == 0U || m_killed) {
m_protocol->writeData(frame, DV_FRAME_LENGTH_BYTES, 0U, true);
break;
} else {
m_protocol->writeData(frame, DV_FRAME_LENGTH_BYTES, 0U, false);
}
serviceNetwork();
checkController();
}
m_dongle->setMode(DVDMODE_IDLE);
resetReceiver();
m_transmit = CLIENT_RECEIVE;
serviceNetwork();
checkController();
}
bool CGMSKModemWinUSB::writeHeader(const CHeaderData& header)
{
unsigned char myCall1[LONG_CALLSIGN_LENGTH];
unsigned char myCall2[SHORT_CALLSIGN_LENGTH];
unsigned char yourCall[LONG_CALLSIGN_LENGTH];
unsigned char rptCall1[LONG_CALLSIGN_LENGTH];
unsigned char rptCall2[LONG_CALLSIGN_LENGTH];
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
myCall1[i] = header.getMyCall1().GetChar(i);
for (unsigned int i = 0U; i < SHORT_CALLSIGN_LENGTH; i++)
myCall2[i] = header.getMyCall2().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
yourCall[i] = header.getYourCall().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall1[i] = header.getRptCall1().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall2[i] = header.getRptCall2().GetChar(i);
int ret = io(SET_MyCALL2, 0x40U, 0U, myCall2, SHORT_CALLSIGN_LENGTH);
if (ret < 0) {
wxLogError(wxT("SET_MyCALL2 returned %d"), -ret);
return false;
}
ret = io(SET_MyCALL, 0x40U, 0U, myCall1, LONG_CALLSIGN_LENGTH);
if (ret < 0) {
wxLogError(wxT("SET_MyCALL returned %d"), -ret);
return false;
}
ret = io(SET_YourCALL, 0x40U, 0U, yourCall, LONG_CALLSIGN_LENGTH);
if (ret < 0) {
wxLogError(wxT("SET_YourCALL returned %d"), -ret);
return false;
}
ret = io(SET_RPT1CALL, 0x40U, 0U, rptCall1, LONG_CALLSIGN_LENGTH);
if (ret < 0) {
wxLogError(wxT("SET_RPT1CALL returned %d"), -ret);
return false;
}
ret = io(SET_RPT2CALL, 0x40U, 0U, rptCall2, LONG_CALLSIGN_LENGTH);
if (ret < 0) {
wxLogError(wxT("SET_RPT2CALL returned %d"), -ret);
return false;
}
unsigned char flags[3U];
flags[0U] = header.getFlag1();
flags[1U] = header.getFlag2();
flags[2U] = header.getFlag3();
ret = io(SET_FLAGS, 0x40U, 0U, flags, 3U);
if (ret < 0) {
wxLogError(wxT("SET_FLAGS returned %d"), -ret);
return false;
}
return setPTT(true);
}
void CDVRPTRRepeaterRXThread::receiveHeader(unsigned char* data, unsigned int length)
{
CHeaderData* header = new CHeaderData(data, length, false);
wxLogMessage(wxT("Radio header decoded - My: %s/%s Your: %s Rpt1: %s Rpt2: %s Flags: %02X %02X %02X"), header->getMyCall1().c_str(), header->getMyCall2().c_str(), header->getYourCall().c_str(), header->getRptCall1().c_str(), header->getRptCall2().c_str(), header->getFlag1(), header->getFlag2(), header->getFlag3());
bool res = processRadioHeader(header);
if (res) {
// A valid header and is a DV packet
m_radioSeqNo = 20U;
setRadioState(DSRXS_PROCESS_DATA);
} else {
// This is a DD packet or some other problem
// wxLogMessage(wxT("Invalid header"));
}
}
bool CGMSKModemLibUsb::writeHeader(const CHeaderData& header)
{
char myCall1[LONG_CALLSIGN_LENGTH];
char myCall2[SHORT_CALLSIGN_LENGTH];
char yourCall[LONG_CALLSIGN_LENGTH];
char rptCall1[LONG_CALLSIGN_LENGTH];
char rptCall2[LONG_CALLSIGN_LENGTH];
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
myCall1[i] = header.getMyCall1().GetChar(i);
for (unsigned int i = 0U; i < SHORT_CALLSIGN_LENGTH; i++)
myCall2[i] = header.getMyCall2().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
yourCall[i] = header.getYourCall().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall1[i] = header.getRptCall1().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
rptCall2[i] = header.getRptCall2().GetChar(i);
int ret = io(0x40, SET_MyCALL2, 0, 0, myCall2, SHORT_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_MyCALL2, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
ret = io(0x40, SET_MyCALL, 0, 0, myCall1, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_MyCALL, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
ret = io(0x40, SET_YourCALL, 0, 0, yourCall, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_YourCALL, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
ret = io(0x40, SET_RPT1CALL, 0, 0, rptCall1, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_RPT1CALL, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
ret = io(0x40, SET_RPT2CALL, 0, 0, rptCall2, LONG_CALLSIGN_LENGTH, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_RPT2CALL, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
char flags[3U];
flags[0U] = header.getFlag1();
flags[1U] = header.getFlag2();
flags[2U] = header.getFlag3();
ret = io(0x40, SET_FLAGS, 0, 0, flags, 3, USB_TIMEOUT);
if (ret < 0) {
wxString errorText(m_usbStrerror(), wxConvLocal);
wxLogMessage(wxT("SET_FLAGS, ret: %d, err=%s"), ret, errorText.c_str());
return false;
}
return true;
}
void CStarNetHandler::process(CHeaderData &header)
{
wxString my = header.getMyCall1();
wxString your = header.getYourCall();
unsigned int id = header.getId();
CStarNetUser* user = m_users[my];
// Ensure that this user is in the cache
CUserData* userData = m_cache->findUser(my);
if (userData == NULL)
m_irc->findUser(my);
if (your.IsSameAs(m_groupCallsign)) {
// This is a normal message for logging in/relaying
if (user == NULL) {
// This is a new user, add them to the list
if (m_logFile != NULL) {
time_t timeNow = ::time(NULL);
struct tm* tm = ::gmtime(&timeNow);
wxString text;
text.Printf(wxT("%04d-%02d-%02d %02d:%02d:%02d: Adding %s to StarNet group %s\n"),
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec,
my.c_str(), m_groupCallsign.c_str());
m_logFile->Write(text);
m_logFile->Flush();
}
// Start the StarNet group timer if not already running
if (!m_groupTimer.isRunning())
m_groupTimer.start();
user = new CStarNetUser(my, m_userTimeout * 60U);
m_users[my] = user;
CStarNetId* tx = new CStarNetId(id, MESSAGE_DELAY, user);
tx->setLogin();
m_ids[id] = tx;
} else {
user->reset();
// Check that it isn't a duplicate header
CStarNetId* tx = m_ids[id];
if (tx != NULL) {
delete userData;
return;
}
m_ids[id] = new CStarNetId(id, MESSAGE_DELAY, user);
}
} else {
delete userData;
userData = NULL;
// This is a logoff message
if (user == NULL) // Not a known user, ignore
return;
if (m_logFile != NULL) {
time_t timeNow = ::time(NULL);
struct tm* tm = ::gmtime(&timeNow);
wxString text;
text.Printf(wxT("%04d-%02d-%02d %02d:%02d:%02d: Removing %s from StarNet group %s, logged off\n"),
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec,
user->getCallsign().c_str(), m_groupCallsign.c_str());
m_logFile->Write(text);
m_logFile->Flush();
}
// Remove the user from the user list
m_users.erase(my);
CStarNetId* tx = new CStarNetId(id, MESSAGE_DELAY, user);
tx->setLogoff();
m_ids[id] = tx;
return;
}
m_groupTimer.reset();
if (m_id != 0x00U) {
delete userData;
return;
}
m_id = id;
// Change the Your callsign to CQCQCQ
header.setCQCQCQ();
header.setFlag1(0x00);
header.setFlag2(0x00);
header.setFlag3(0x00);
#if defined(DEXTRA_LINK)
header.setRepeaters(m_linkGateway, m_linkReflector);
CDExtraHandler::writeHeader(m_repeater, header, DIR_OUTGOING);
#endif
#if defined(DCS_LINK)
header.setRepeaters(m_linkGateway, m_linkReflector);
CDCSHandler::writeHeader(m_repeater, header, DIR_OUTGOING);
#endif
// Get the home repeater of the user
wxString exclude;
if (userData != NULL) {
exclude = userData->getRepeater();
delete userData;
userData = NULL;
}
// Build new repeater list
for (CStarNetUsersHashMap::const_iterator it = m_users.begin(); it != m_users.end(); ++it) {
CStarNetUser* user = it->second;
if (user != NULL) {
// Find the user in the cache
CUserData* userData = m_cache->findUser(user->getCallsign());
if (userData != NULL) {
// Check for the excluded repeater
if (!userData->getRepeater().IsSameAs(exclude)) {
// Find the users repeater in the repeater list, add it otherwise
CStarNetRepeater* repeater = m_repeaters[userData->getRepeater()];
if (repeater == NULL) {
// Add a new repeater entry
repeater = new CStarNetRepeater;
repeater->m_destination = wxT("/") + userData->getRepeater().Left(6U) + userData->getRepeater().Right(1U);
repeater->m_repeater = userData->getRepeater();
repeater->m_gateway = userData->getGateway();
repeater->m_address = userData->getAddress();
repeater->m_local = CRepeaterHandler::findDVRepeater(userData->getRepeater());
m_repeaters[userData->getRepeater()] = repeater;
}
}
delete userData;
userData = NULL;
}
}
}
switch (m_callsignSwitch) {
case SCS_GROUP_CALLSIGN:
// Change the My Callsign 1 to be that of the StarNet group
header.setMyCall1(m_groupCallsign);
header.setMyCall2(wxT("SNET"));
break;
case SCS_USER_CALLSIGN:
// Change the My Callsign 2 to be that of the StarNet group
header.setMyCall1(my);
header.setMyCall2(m_shortCallsign);
break;
default:
break;
}
sendToRepeaters(header);
if (m_txMsgSwitch)
sendFromText(my);
}
CRadioHeaderEncoder::CRadioHeaderEncoder(const CHeaderData& header) :
m_header(NULL)
{
m_header = new bool[FEC_SECTION_LENGTH_BITS];
bool* buffer1 = new bool[700U];
bool* buffer2 = new bool[700U];
// Clear everything
::memset(buffer1, 0x00, 700U * sizeof(bool));
// Flag 1
unsigned char flag1 = header.getFlag1();
buffer1[0] = (flag1 & 0x80U) == 0x80U; buffer1[1] = (flag1 & 0x40U) == 0x40U;
buffer1[2] = (flag1 & 0x20U) == 0x20U; buffer1[3] = (flag1 & 0x10U) == 0x10U;
buffer1[4] = (flag1 & 0x08U) == 0x08U; buffer1[5] = (flag1 & 0x04U) == 0x04U;
buffer1[6] = (flag1 & 0x02U) == 0x02U; buffer1[7] = (flag1 & 0x01U) == 0x01U;
// Flag 2
unsigned char flag2 = header.getFlag2();
buffer1[8] = (flag2 & 0x80U) == 0x80U; buffer1[9] = (flag2 & 0x40U) == 0x40U;
buffer1[10] = (flag2 & 0x20U) == 0x20U; buffer1[11] = (flag2 & 0x10U) == 0x10U;
buffer1[12] = (flag2 & 0x08U) == 0x08U; buffer1[13] = (flag2 & 0x04U) == 0x04U;
buffer1[14] = (flag2 & 0x02U) == 0x02U; buffer1[15] = (flag2 & 0x01U) == 0x01U;
// Flag 3
unsigned char flag3 = header.getFlag3();
buffer1[16] = (flag3 & 0x80U) == 0x80U; buffer1[17] = (flag3 & 0x40U) == 0x40U;
buffer1[18] = (flag3 & 0x20U) == 0x20U; buffer1[19] = (flag3 & 0x10U) == 0x10U;
buffer1[20] = (flag3 & 0x08U) == 0x08U; buffer1[21] = (flag3 & 0x04U) == 0x04U;
buffer1[22] = (flag3 & 0x02U) == 0x02U; buffer1[23] = (flag3 & 0x01U) == 0x01U;
unsigned int n = 24U;
stringToBits(header.getRptCall2(), buffer1 + n, LONG_CALLSIGN_LENGTH);
n += LONG_CALLSIGN_LENGTH * 8U;
stringToBits(header.getRptCall1(), buffer1 + n, LONG_CALLSIGN_LENGTH);
n += LONG_CALLSIGN_LENGTH * 8U;
stringToBits(header.getYourCall(), buffer1 + n, LONG_CALLSIGN_LENGTH);
n += LONG_CALLSIGN_LENGTH * 8U;
stringToBits(header.getMyCall1(), buffer1 + n, LONG_CALLSIGN_LENGTH);
n += LONG_CALLSIGN_LENGTH * 8U;
stringToBits(header.getMyCall2(), buffer1 + n, SHORT_CALLSIGN_LENGTH);
n += SHORT_CALLSIGN_LENGTH * 8U;
CCCITTChecksumReverse cksum;
for (unsigned int i = 0U; i < n; i += 8U)
cksum.update(buffer1 + i);
cksum.result(buffer1 + n);
// CUtils::dump(wxT("TX Raw Data"), buffer1, n + 16U);
unsigned int length;
CDStarFECEncoder fec;
fec.encode(buffer1, buffer2, RADIO_HEADER_LENGTH_BITS, length);
// CUtils::dump(wxT("TX After FEC"), buffer2, FEC_SECTION_LENGTH_BITS);
CDStarInterleaver interleaver;
interleaver.interleave(buffer2, m_header, FEC_SECTION_LENGTH_BITS);
// CUtils::dump(wxT("TX After Interleaver"), m_header, FEC_SECTION_LENGTH_BITS);
CDStarScrambler scrambler;
scrambler.process(m_header, FEC_SECTION_LENGTH_BITS);
// CUtils::dump(wxT("TX After Scrambler"), m_header, FEC_SECTION_LENGTH_BITS);
delete[] buffer1;
delete[] buffer2;
}
bool CDExtraProtocolHandler::writeHeader(const CHeaderData& header)
{
wxASSERT(m_socket != NULL);
// Create a random id for this transmission
m_outId = (::rand() % 65535U) + 1U;
unsigned char buffer[56U];
buffer[0] = 'D';
buffer[1] = 'S';
buffer[2] = 'V';
buffer[3] = 'T';
buffer[4] = 0x10;
buffer[5] = 0x00;
buffer[6] = 0x00;
buffer[7] = 0x00;
buffer[8] = 0x20;
buffer[9] = 0x00;
buffer[10] = 0x01;
buffer[11] = 0x00; // Band
buffer[12] = m_outId % 256U; // Unique session id
buffer[13] = m_outId / 256U;
buffer[14] = 0x80;
buffer[15] = 0x00; // Flags 1, 2 and 3
buffer[16] = 0x00;
buffer[17] = 0x00;
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[18 + i] = header.getRptCall1().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[26 + i] = header.getRptCall2().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[34 + i] = header.getYourCall().GetChar(i);
for (unsigned int i = 0U; i < LONG_CALLSIGN_LENGTH; i++)
buffer[42 + i] = header.getMyCall1().GetChar(i);
for (unsigned int i = 0U; i < SHORT_CALLSIGN_LENGTH; i++)
buffer[50 + i] = header.getMyCall2().GetChar(i);
// A dummy checksum
buffer[54] = 0xFF;
buffer[55] = 0xFF;
m_outSeq = 0U;
#if defined(DUMP_TX)
CUtils::dump(wxT("Sending Header"), buffer, 56U);
return true;
#else
for (unsigned int i = 0U; i < 5U; i++) {
bool res = m_socket->write(buffer, 56U);
if (!res)
return false;
}
return true;
#endif
}
