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); } }