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; } }