void CStarNetHandler::sendAck(const CUserData& user, const wxString& text) const
{
unsigned int id = CHeaderData::createId();
CHeaderData header(m_groupCallsign, wxT(" "), user.getUser(), user.getGateway(), user.getRepeater());
header.setDestination(user.getAddress(), G2_DV_PORT);
header.setId(id);
m_g2Handler->writeHeader(header);
CSlowDataEncoder slowData;
slowData.setTextData(text);
CAMBEData data;
data.setId(id);
data.setDestination(user.getAddress(), G2_DV_PORT);
unsigned char buffer[DV_FRAME_MAX_LENGTH_BYTES];
::memcpy(buffer + 0U, NULL_AMBE_DATA_BYTES, VOICE_FRAME_LENGTH_BYTES);
for (unsigned int i = 0U; i < 20U; i++) {
if (i == 0U) {
// The first AMBE packet is a sync
::memcpy(buffer + VOICE_FRAME_LENGTH_BYTES, DATA_SYNC_BYTES, DATA_FRAME_LENGTH_BYTES);
data.setData(buffer, DV_FRAME_LENGTH_BYTES);
data.setSeq(i);
} else if (i == 19U) {
// The last packet of the ack
::memcpy(buffer + VOICE_FRAME_LENGTH_BYTES, END_PATTERN_BYTES, END_PATTERN_LENGTH_BYTES);
data.setData(buffer, DV_FRAME_MAX_LENGTH_BYTES);
data.setSeq(i);
data.setEnd(true);
} else {
// The packets containing the text data
unsigned char slowDataBuffer[DATA_FRAME_LENGTH_BYTES];
slowData.getTextData(slowDataBuffer);
::memcpy(buffer + VOICE_FRAME_LENGTH_BYTES, slowDataBuffer, DATA_FRAME_LENGTH_BYTES);
data.setData(buffer, DV_FRAME_LENGTH_BYTES);
data.setSeq(i);
}
m_g2Handler->writeAMBE(data);
}
}
CVersionUnit::CVersionUnit(IRepeaterCallback* handler, const wxString& callsign) :
m_handler(handler),
m_callsign(callsign),
m_status(VS_IDLE),
m_timer(1000U, 2U), // 2 seconds
m_data(NULL),
m_id(0U),
m_out(0U),
m_time()
{
wxASSERT(handler != NULL);
m_data = new CAMBEData*[NUM_FRAMES];
wxString versionText;
versionText.Printf(wxT("ircDDB GW - %s"), VERSION.Left(8U).c_str());
wxLogMessage(wxT("Version text set to \"%s\""), versionText.c_str());
CSlowDataEncoder encoder;
encoder.setTextData(versionText);
// Seq No and end
for (unsigned int i = 0U; i < NUM_FRAMES; i++) {
unsigned char buffer[DV_FRAME_LENGTH_BYTES];
::memcpy(buffer + 0U, NULL_AMBE_DATA_BYTES, VOICE_FRAME_LENGTH_BYTES);
// Insert sync bytes when the sequence number is zero, slow data otherwise
if (i == 0U) {
::memcpy(buffer + VOICE_FRAME_LENGTH_BYTES, DATA_SYNC_BYTES, DATA_FRAME_LENGTH_BYTES);
encoder.sync();
} else {
encoder.getTextData(buffer + VOICE_FRAME_LENGTH_BYTES);
}
m_data[i] = new CAMBEData;
m_data[i]->setData(buffer, DV_FRAME_LENGTH_BYTES);
m_data[i]->setSeq(i);
if (i == (NUM_FRAMES - 1U))
m_data[i]->setEnd(true);
}
}
void CStarNetHandler::sendFromText(const wxString& my) const
{
wxString text;
switch (m_callsignSwitch) {
case SCS_GROUP_CALLSIGN:
text.Printf(wxT("FROM %s"), my.c_str());
break;
case SCS_USER_CALLSIGN:
text.Printf(wxT("VIA STARnet %s"), m_groupCallsign.c_str());
break;
default:
break;
}
CSlowDataEncoder slowData;
slowData.setTextData(text);
CAMBEData data;
data.setId(m_id);
unsigned char buffer[DV_FRAME_LENGTH_BYTES];
::memcpy(buffer + 0U, NULL_AMBE_DATA_BYTES, VOICE_FRAME_LENGTH_BYTES);
for (unsigned int i = 0U; i < 21U; i++) {
if (i == 0U) {
// The first AMBE packet is a sync
::memcpy(buffer + VOICE_FRAME_LENGTH_BYTES, DATA_SYNC_BYTES, DATA_FRAME_LENGTH_BYTES);
data.setData(buffer, DV_FRAME_LENGTH_BYTES);
data.setSeq(i);
} else {
// The packets containing the text data
unsigned char slowDataBuffer[DATA_FRAME_LENGTH_BYTES];
slowData.getTextData(slowDataBuffer);
::memcpy(buffer + VOICE_FRAME_LENGTH_BYTES, slowDataBuffer, DATA_FRAME_LENGTH_BYTES);
data.setData(buffer, DV_FRAME_LENGTH_BYTES);
data.setSeq(i);
}
sendToRepeaters(data);
}
}
