void CRepeaterProtocolHandler::readText(wxString& text, LINK_STATUS& status, wxString& reflector)
{
if (m_type != NETWORK_TEXT) {
text = wxT(" ");
reflector = wxT(" ");
status = LS_NONE;
return;
}
text = wxString((char*)(m_buffer + 5U), wxConvLocal, 20U);
status = LINK_STATUS(m_buffer[25U]);
reflector = wxString((char*)(m_buffer + 26U), wxConvLocal, 8U);
}
void CDStarNetwork::clock(unsigned int ms)
{
m_pollTimer.clock(ms);
if (m_pollTimer.hasExpired()) {
char text[60U];
#if defined(_WIN32) || defined(_WIN64)
if (m_duplex)
::sprintf(text, "win_mmdvm-%s", m_version);
else
::sprintf(text, "win_mmdvm-dvmega-%s", m_version);
#else
if (m_duplex)
::sprintf(text, "linux_mmdvm-%s", m_version);
else
::sprintf(text, "linux_mmdvm-dvmega-%s", m_version);
#endif
writePoll(text);
m_pollTimer.start();
}
unsigned char buffer[BUFFER_LENGTH];
in_addr address;
unsigned int port;
int length = m_socket.read(buffer, BUFFER_LENGTH, address, port);
if (length <= 0)
return;
// Check if the data is for us
if (m_address.s_addr != address.s_addr || m_port != port) {
LogMessage("D-Star packet received from an invalid source, %08X != %08X and/or %u != %u", m_address.s_addr, address.s_addr, m_port, port);
return;
}
// Invalid packet type?
if (::memcmp(buffer, "DSRP", 4U) != 0)
return;
switch (buffer[4]) {
case 0x00U: // NETWORK_TEXT;
if (m_debug)
CUtils::dump(1U, "D-Star Network Status Received", buffer, length);
m_linkStatus = LINK_STATUS(buffer[25U]);
::memcpy(m_linkReflector, buffer + 26U, DSTAR_LONG_CALLSIGN_LENGTH);
LogMessage("D-Star link status set to \"%20.20s\"", buffer + 5U);
return;
case 0x01U: // NETWORK_TEMPTEXT;
case 0x04U: // NETWORK_STATUS1..5
case 0x24U: // NETWORK_DD_DATA
return;
case 0x20U: // NETWORK_HEADER
if (m_inId == 0U && m_enabled) {
if (m_debug)
CUtils::dump(1U, "D-Star Network Header Received", buffer, length);
m_inId = buffer[5] * 256U + buffer[6];
unsigned char c = length - 7U;
m_buffer.addData(&c, 1U);
c = TAG_HEADER;
m_buffer.addData(&c, 1U);
m_buffer.addData(buffer + 8U, length - 8U);
}
break;
case 0x21U: // NETWORK_DATA
if (m_enabled) {
if (m_debug)
CUtils::dump(1U, "D-Star Network Data Received", buffer, length);
uint16_t id = buffer[5] * 256U + buffer[6];
// Check that the stream id matches the valid header, reject otherwise
if (id == m_inId && m_enabled) {
unsigned char ctrl[3U];
ctrl[0U] = length - 7U;
// Is this the last packet in the stream?
if ((buffer[7] & 0x40) == 0x40) {
m_inId = 0U;
ctrl[1U] = TAG_EOT;
} else {
ctrl[1U] = TAG_DATA;
}
ctrl[2U] = buffer[7] & 0x3FU;
m_buffer.addData(ctrl, 3U);
m_buffer.addData(buffer + 9U, length - 9U);
}
}
break;
default:
CUtils::dump("Unknown D-Star packet from the Gateway", buffer, length);
break;
}
}
