bool CDExtraHandler::processInt(CConnectData& connect, CD_TYPE type)
{
in_addr address = connect.getAddress();
unsigned int port = connect.getPort();
wxString repeater = connect.getRepeater();
if (m_address.s_addr != address.s_addr || m_port != port)
return false;
switch (type) {
case CT_ACK:
if (!m_repeater.IsSameAs(repeater))
return false;
if (m_linkState == DEXTRA_LINKING) {
wxLogMessage(wxT("DExtra ACK message received from %s"), m_reflector.c_str());
if (m_direction == DIR_OUTGOING && m_destination != NULL)
m_destination->linkUp(DP_DEXTRA, m_reflector);
m_tryTimer.stop();
m_pollTimer.start();
m_stateChange = true;
m_linkState = DEXTRA_LINKED;
}
return false;
case CT_NAK:
if (!m_repeater.IsSameAs(repeater))
return false;
if (m_linkState == DEXTRA_LINKING) {
wxLogMessage(wxT("DExtra NAK message received from %s"), m_reflector.c_str());
if (m_direction == DIR_OUTGOING && m_destination != NULL)
m_destination->linkDown(DP_DEXTRA, m_reflector, false);
return true;
}
return false;
case CT_UNLINK:
if (!m_reflector.IsSameAs(repeater))
return false;
if (m_linkState == DEXTRA_LINKED) {
wxLogMessage(wxT("DExtra disconnect message received from %s"), m_reflector.c_str());
if (m_direction == DIR_OUTGOING && m_destination != NULL)
m_destination->linkDown(DP_DEXTRA, m_reflector, false);
m_stateChange = true;
}
return true;
default:
return false;
}
}
bool CDPlusHandler::processInt(CConnectData& connect, CD_TYPE type)
{
switch (m_direction) {
case DIR_OUTGOING:
switch (type) {
case CT_ACK:
if (m_linkState == DPLUS_LINKING) {
wxLogMessage(wxT("D-Plus ACK message received from %s"), m_reflector.c_str());
m_destination->linkUp(DP_DPLUS, m_reflector);
m_stateChange = true;
m_linkState = DPLUS_LINKED;
m_tryTimer.stop();
m_pollTimer.start();
m_pollInactivityTimer.start();
}
return false;
case CT_NAK:
if (m_linkState == DPLUS_LINKING) {
wxLogMessage(wxT("D-Plus NAK message received from %s"), m_reflector.c_str());
m_destination->linkDown(DP_DPLUS, m_reflector, false);
CConnectData reply(CT_UNLINK, connect.getAddress(), connect.getPort());
m_handler->writeConnect(reply);
m_tryTimer.stop();
}
return true;
case CT_UNLINK:
if (m_linkState == DPLUS_UNLINKING) {
wxLogMessage(wxT("D-Plus disconnect acknowledgement received from %s"), m_reflector.c_str());
m_destination->linkDown(DP_DPLUS, m_reflector, false);
m_stateChange = true;
m_tryTimer.stop();
}
return true;
case CT_LINK1: {
CConnectData reply(m_dplusLogin, CT_LINK2, connect.getAddress(), connect.getPort());
m_handler->writeConnect(reply);
m_tryTimer.stop();
}
return false;
default:
return false;
}
break;
case DIR_INCOMING:
switch (type) {
case CT_LINK2: {
m_reflector = connect.getRepeater();
wxLogMessage(wxT("D-Plus dongle link to %s has started"), m_reflector.c_str());
CConnectData reply(CT_ACK, m_address, m_port);
m_handler->writeConnect(reply);
m_linkState = DPLUS_LINKED;
m_stateChange = true;
}
return false;
case CT_UNLINK:
if (m_linkState == DPLUS_LINKED) {
wxLogMessage(wxT("D-Plus dongle link to %s has ended (unlinked)"), m_reflector.c_str());
m_stateChange = true;
m_handler->writeConnect(connect);
}
return true;
default:
return false;
}
break;
}
return false;
}
void CDExtraHandler::process(CConnectData& connect)
{
CD_TYPE type = connect.getType();
if (type == CT_ACK || type == CT_NAK || type == CT_UNLINK) {
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
if (m_reflectors[i] != NULL) {
bool res = m_reflectors[i]->processInt(connect, type);
if (res) {
delete m_reflectors[i];
m_reflectors[i] = NULL;
}
}
}
return;
}
// else if type == CT_LINK1 or type == CT_LINK2
in_addr address = connect.getAddress();
unsigned int port = connect.getPort();
wxString repeaterCallsign = connect.getRepeater();
wxChar band = connect.getReflector().GetChar(LONG_CALLSIGN_LENGTH - 1U);
wxString reflectorCallsign = m_callsign;
reflectorCallsign.SetChar(LONG_CALLSIGN_LENGTH - 1U, band);
// Check that it isn't a duplicate
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
if (m_reflectors[i] != NULL) {
if (m_reflectors[i]->m_direction == DIR_INCOMING &&
m_reflectors[i]->m_address.s_addr == address.s_addr &&
m_reflectors[i]->m_port == port &&
m_reflectors[i]->m_repeater.IsSameAs(reflectorCallsign) &&
m_reflectors[i]->m_reflector.IsSameAs(repeaterCallsign))
return;
}
}
// Check the validity of our repeater callsign
IReflectorCallback* handler = CRepeaterHandler::findDVRepeater(reflectorCallsign);
if (handler == NULL) {
wxLogMessage(wxT("DExtra connect to unknown reflector %s from %s"), reflectorCallsign.c_str(), repeaterCallsign.c_str());
CConnectData reply(repeaterCallsign, reflectorCallsign, CT_NAK, connect.getAddress(), connect.getPort());
m_handler->writeConnect(reply);
return;
}
// A new connect packet indicates the need for a new entry
wxLogMessage(wxT("New incoming DExtra link to %s from %s"), reflectorCallsign.c_str(), repeaterCallsign.c_str());
CDExtraHandler* dextra = new CDExtraHandler(handler, repeaterCallsign, reflectorCallsign, address, port, DIR_INCOMING);
bool found = false;
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
if (m_reflectors[i] == NULL) {
m_reflectors[i] = dextra;
found = true;
break;
}
}
if (found) {
CConnectData reply(repeaterCallsign, reflectorCallsign, CT_ACK, address, port);
m_handler->writeConnect(reply);
wxString callsign = repeaterCallsign;
callsign.SetChar(LONG_CALLSIGN_LENGTH - 1U, wxT(' '));
CPollData poll(callsign, wxEmptyString, address, port);
m_handler->writePoll(poll);
} else {
CConnectData reply(repeaterCallsign, reflectorCallsign, CT_NAK, address, port);
m_handler->writeConnect(reply);
wxLogError(wxT("No space to add new DExtra repeater, ignoring"));
delete dextra;
}
}
void CDPlusHandler::process(CConnectData& connect)
{
CD_TYPE type = connect.getType();
in_addr address = connect.getAddress();
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
CDPlusHandler* reflector = m_reflectors[i];
if (reflector != NULL) {
if (reflector->m_address.s_addr == address.s_addr) {
bool res = m_reflectors[i]->processInt(connect, type);
if (res) {
delete m_reflectors[i];
m_reflectors[i] = NULL;
}
}
}
}
unsigned int port = connect.getPort();
// Check that it isn't a duplicate
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
if (m_reflectors[i] != NULL) {
if (m_reflectors[i]->m_address.s_addr == address.s_addr)
return;
}
}
if (type == CT_UNLINK)
return;
if (type != CT_LINK1) {
wxLogMessage(wxT("Incoming D-Plus message from unknown source"));
return;
}
// Check to see if we are allowed to accept it
unsigned int count = 0U;
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
if (m_reflectors[i] != NULL &&
m_reflectors[i]->m_direction == DIR_INCOMING)
count++;
}
if (count >= m_maxDongles)
return;
CDPlusHandler* dplus = new CDPlusHandler(m_incoming, address, port);
bool found = false;
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
if (m_reflectors[i] == NULL) {
m_reflectors[i] = dplus;
found = true;
break;
}
}
if (found) {
CConnectData connect(CT_LINK1, address, port);
m_incoming->writeConnect(connect);
} else {
wxLogError(wxT("No space to add new D-Plus dongle, ignoring"));
delete dplus;
}
}
