mirror of
https://github.com/g4klx/ircDDBGateway.git
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1005 lines
27 KiB
C++
1005 lines
27 KiB
C++
/*
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* Copyright (C) 2010-2015 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "RepeaterHandler.h"
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#include "DExtraHandler.h"
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#include "DStarDefines.h"
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#include "Utils.h"
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unsigned int CDExtraHandler::m_maxReflectors = 0U;
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unsigned int CDExtraHandler::m_maxDongles = 0U;
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CDExtraHandler** CDExtraHandler::m_reflectors = NULL;
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wxString CDExtraHandler::m_callsign;
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CDExtraProtocolHandlerPool* CDExtraHandler::m_pool = NULL;
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CDExtraProtocolHandler* CDExtraHandler::m_incoming = NULL;
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bool CDExtraHandler::m_stateChange = false;
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CHeaderLogger* CDExtraHandler::m_headerLogger = NULL;
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CCallsignList* CDExtraHandler::m_whiteList = NULL;
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CCallsignList* CDExtraHandler::m_blackList = NULL;
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CDExtraHandler::CDExtraHandler(IReflectorCallback* handler, const wxString& reflector, const wxString& repeater, CDExtraProtocolHandler* protoHandler, const in_addr& address, unsigned int port, DIRECTION direction) :
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m_reflector(reflector.Clone()),
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m_repeater(repeater.Clone()),
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m_handler(protoHandler),
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m_yourAddress(address),
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m_yourPort(port),
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m_direction(direction),
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m_linkState(DEXTRA_LINKING),
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m_destination(handler),
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m_time(),
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m_pollTimer(1000U, 10U),
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m_pollInactivityTimer(1000U, 60U),
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m_tryTimer(1000U, 1U),
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m_tryCount(0U),
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m_dExtraId(0x00U),
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m_dExtraSeq(0x00U),
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m_inactivityTimer(1000U, NETWORK_TIMEOUT),
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m_header(NULL)
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{
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wxASSERT(protoHandler != NULL);
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wxASSERT(handler != NULL);
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wxASSERT(port > 0U);
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m_pollInactivityTimer.start();
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m_time = ::time(NULL);
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if (direction == DIR_INCOMING) {
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m_pollTimer.start();
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m_stateChange = true;
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m_linkState = DEXTRA_LINKED;
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} else {
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m_linkState = DEXTRA_LINKING;
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m_tryTimer.start();
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}
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}
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CDExtraHandler::CDExtraHandler(CDExtraProtocolHandler* protoHandler, const wxString& reflector, const in_addr& address, unsigned int port, DIRECTION direction) :
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m_reflector(reflector.Clone()),
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m_repeater(),
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m_handler(protoHandler),
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m_yourAddress(address),
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m_yourPort(port),
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m_direction(direction),
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m_linkState(DEXTRA_LINKING),
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m_destination(NULL),
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m_time(),
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m_pollTimer(1000U, 10U),
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m_pollInactivityTimer(1000U, 60U),
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m_tryTimer(1000U, 1U),
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m_tryCount(0U),
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m_dExtraId(0x00U),
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m_dExtraSeq(0x00U),
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m_inactivityTimer(1000U, NETWORK_TIMEOUT),
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m_header(NULL)
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{
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wxASSERT(protoHandler != NULL);
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wxASSERT(port > 0U);
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m_pollInactivityTimer.start();
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m_time = ::time(NULL);
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if (direction == DIR_INCOMING) {
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m_pollTimer.start();
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m_stateChange = true;
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m_linkState = DEXTRA_LINKED;
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} else {
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m_linkState = DEXTRA_LINKING;
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m_tryTimer.start();
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}
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}
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CDExtraHandler::~CDExtraHandler()
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{
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if (m_direction == DIR_OUTGOING)
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m_pool->release(m_handler);
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delete m_header;
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}
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void CDExtraHandler::initialise(unsigned int maxReflectors)
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{
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wxASSERT(maxReflectors > 0U);
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m_maxReflectors = maxReflectors;
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m_reflectors = new CDExtraHandler*[m_maxReflectors];
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for (unsigned int i = 0U; i < m_maxReflectors; i++)
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m_reflectors[i] = NULL;
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}
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void CDExtraHandler::setCallsign(const wxString& callsign)
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{
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m_callsign = callsign.Clone();//clone makes deep copy of string, this adds thread safety to our code !
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m_callsign.resize(LONG_CALLSIGN_LENGTH, ' ');
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m_callsign.SetChar(LONG_CALLSIGN_LENGTH - 1U, wxT(' '));
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}
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void CDExtraHandler::setDExtraProtocolIncoming(CDExtraProtocolHandler* incoming)
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{
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wxASSERT(incoming != NULL);
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m_incoming = incoming;
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}
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void CDExtraHandler::setDExtraProtocolHandlerPool(CDExtraProtocolHandlerPool* pool)
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{
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wxASSERT(pool != NULL);
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m_pool = pool;
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}
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void CDExtraHandler::setHeaderLogger(CHeaderLogger* logger)
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{
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m_headerLogger = logger;
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}
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void CDExtraHandler::setMaxDongles(unsigned int maxDongles)
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{
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m_maxDongles = maxDongles;
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}
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void CDExtraHandler::setWhiteList(CCallsignList* list)
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{
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wxASSERT(list != NULL);
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m_whiteList = list;
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}
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void CDExtraHandler::setBlackList(CCallsignList* list)
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{
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wxASSERT(list != NULL);
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m_blackList = list;
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}
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wxString CDExtraHandler::getIncoming(const wxString& callsign)
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{
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wxString incoming;
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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CDExtraHandler* reflector = m_reflectors[i];
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if (reflector != NULL && reflector->m_direction == DIR_INCOMING && reflector->m_repeater.IsSameAs(callsign)) {
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incoming.Append(reflector->m_reflector);
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incoming.Append(wxT(" "));
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}
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}
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return incoming;
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}
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void CDExtraHandler::getInfo(IReflectorCallback* handler, CRemoteRepeaterData& data)
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{
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wxASSERT(handler != NULL);
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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CDExtraHandler* reflector = m_reflectors[i];
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if (reflector != NULL) {
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if (reflector->m_destination == handler) {
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if (reflector->m_direction == DIR_INCOMING && reflector->m_repeater.IsEmpty()) {
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if (reflector->m_linkState != DEXTRA_UNLINKING)
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data.addLink(reflector->m_reflector, PROTO_DEXTRA, reflector->m_linkState == DEXTRA_LINKED, DIR_INCOMING, true);
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} else {
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if (reflector->m_linkState != DEXTRA_UNLINKING)
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data.addLink(reflector->m_reflector, PROTO_DEXTRA, reflector->m_linkState == DEXTRA_LINKED, reflector->m_direction, false);
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}
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}
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}
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}
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}
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wxString CDExtraHandler::getDongles()
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{
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wxString dongles;
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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CDExtraHandler* reflector = m_reflectors[i];
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if (reflector != NULL && reflector->m_direction == DIR_INCOMING && reflector->m_repeater.IsEmpty()) {
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dongles.Append(wxT("X:"));
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dongles.Append(reflector->m_reflector);
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dongles.Append(wxT(" "));
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}
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}
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return dongles;
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}
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void CDExtraHandler::process(CHeaderData& header)
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{
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in_addr yourAddress = header.getYourAddress();
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unsigned int yourPort = header.getYourPort();
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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CDExtraHandler* reflector = m_reflectors[i];
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if (reflector != NULL) {
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if (reflector->m_yourAddress.s_addr == yourAddress.s_addr &&
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reflector->m_yourPort == yourPort)
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reflector->processInt(header);
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}
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}
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}
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void CDExtraHandler::process(CAMBEData& data)
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{
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in_addr yourAddress = data.getYourAddress();
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unsigned int yourPort = data.getYourPort();
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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CDExtraHandler* reflector = m_reflectors[i];
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if (reflector != NULL) {
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if (reflector->m_yourAddress.s_addr == yourAddress.s_addr &&
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reflector->m_yourPort == yourPort)
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reflector->processInt(data);
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}
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}
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}
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void CDExtraHandler::process(const CPollData& poll)
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{
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bool found = false;
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wxString reflector = poll.getData1();
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in_addr yourAddress = poll.getYourAddress();
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unsigned int yourPort = poll.getYourPort();
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// Check to see if we already have a link
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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if (m_reflectors[i] != NULL) {
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if (m_reflectors[i]->m_reflector.Left(LONG_CALLSIGN_LENGTH - 1U).IsSameAs(reflector.Left(LONG_CALLSIGN_LENGTH - 1U)) &&
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m_reflectors[i]->m_yourAddress.s_addr == yourAddress.s_addr &&
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m_reflectors[i]->m_yourPort == yourPort &&
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m_reflectors[i]->m_linkState == DEXTRA_LINKED) {
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m_reflectors[i]->m_pollInactivityTimer.start();
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found = true;
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}
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}
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}
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if (found)
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return;
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// A repeater poll arriving here is an error
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if (!poll.isDongle())
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return;
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// Check to see if we are allowed to accept it
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unsigned int count = 0U;
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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if (m_reflectors[i] != NULL &&
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m_reflectors[i]->m_direction == DIR_INCOMING &&
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m_reflectors[i]->m_repeater.IsEmpty())
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count++;
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}
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if (count >= m_maxDongles)
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return;
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// An unmatched poll indicates the need for a new entry
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wxLogMessage(wxT("New incoming DExtra Dongle from %s"), reflector.c_str());
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CDExtraHandler* handler = new CDExtraHandler(m_incoming, reflector, yourAddress, yourPort, DIR_INCOMING);
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found = false;
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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if (m_reflectors[i] == NULL) {
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m_reflectors[i] = handler;
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found = true;
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break;
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}
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}
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if (found) {
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// Return the poll
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CPollData poll(m_callsign, yourAddress, yourPort);
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m_incoming->writePoll(poll);
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} else {
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wxLogError(wxT("No space to add new DExtra Dongle, ignoring"));
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delete handler;
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}
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}
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void CDExtraHandler::process(CConnectData& connect)
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{
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CD_TYPE type = connect.getType();
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if (type == CT_ACK || type == CT_NAK || type == CT_UNLINK) {
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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if (m_reflectors[i] != NULL) {
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bool res = m_reflectors[i]->processInt(connect, type);
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if (res) {
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delete m_reflectors[i];
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m_reflectors[i] = NULL;
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}
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}
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}
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return;
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}
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// else if type == CT_LINK1 or type == CT_LINK2
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in_addr yourAddress = connect.getYourAddress();
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unsigned int yourPort = connect.getYourPort();
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wxString repeaterCallsign = connect.getRepeater();
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wxChar band = connect.getReflector().GetChar(LONG_CALLSIGN_LENGTH - 1U);
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wxString reflectorCallsign = m_callsign;
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reflectorCallsign.SetChar(LONG_CALLSIGN_LENGTH - 1U, band);
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// Check that it isn't a duplicate
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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if (m_reflectors[i] != NULL) {
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if (m_reflectors[i]->m_direction == DIR_INCOMING &&
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m_reflectors[i]->m_yourAddress.s_addr == yourAddress.s_addr &&
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m_reflectors[i]->m_yourPort == yourPort &&
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m_reflectors[i]->m_repeater.IsSameAs(reflectorCallsign) &&
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m_reflectors[i]->m_reflector.IsSameAs(repeaterCallsign))
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return;
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}
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}
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// Check the validity of our repeater callsign
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IReflectorCallback* handler = CRepeaterHandler::findDVRepeater(reflectorCallsign);
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if (handler == NULL) {
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wxLogMessage(wxT("DExtra connect to unknown reflector %s from %s"), reflectorCallsign.c_str(), repeaterCallsign.c_str());
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CConnectData reply(repeaterCallsign, reflectorCallsign, CT_NAK, yourAddress, yourPort);
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m_incoming->writeConnect(reply);
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return;
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}
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// A new connect packet indicates the need for a new entry
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wxLogMessage(wxT("New incoming DExtra link to %s from %s"), reflectorCallsign.c_str(), repeaterCallsign.c_str());
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CDExtraHandler* dextra = new CDExtraHandler(handler, repeaterCallsign, reflectorCallsign, m_incoming, yourAddress, yourPort, DIR_INCOMING);
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bool found = false;
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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if (m_reflectors[i] == NULL) {
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m_reflectors[i] = dextra;
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found = true;
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break;
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}
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}
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if (found) {
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CConnectData reply(repeaterCallsign, reflectorCallsign, CT_ACK, yourAddress, yourPort);
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m_incoming->writeConnect(reply);
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wxString callsign = repeaterCallsign;
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callsign.SetChar(LONG_CALLSIGN_LENGTH - 1U, wxT(' '));
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CPollData poll(callsign, yourAddress, yourPort);
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m_incoming->writePoll(poll);
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} else {
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CConnectData reply(repeaterCallsign, reflectorCallsign, CT_NAK, yourAddress, yourPort);
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m_incoming->writeConnect(reply);
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wxLogError(wxT("No space to add new DExtra repeater, ignoring"));
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delete dextra;
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}
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}
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void CDExtraHandler::link(IReflectorCallback* handler, const wxString& repeater, const wxString &gateway, const in_addr& address)
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{
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CDExtraProtocolHandler* protoHandler = m_pool->getHandler();
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if (protoHandler == NULL)
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return;
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CDExtraHandler* dextra = new CDExtraHandler(handler, gateway, repeater, protoHandler, address, DEXTRA_PORT, DIR_OUTGOING);
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bool found = false;
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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if (m_reflectors[i] == NULL) {
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m_reflectors[i] = dextra;
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found = true;
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break;
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}
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}
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if (found) {
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CConnectData reply(repeater, gateway, CT_LINK1, address, DEXTRA_PORT);
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protoHandler->writeConnect(reply);
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} else {
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wxLogError(wxT("No space to add new DExtra link, ignoring"));
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delete dextra;
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}
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}
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void CDExtraHandler::unlink(IReflectorCallback* handler, const wxString& callsign, bool exclude)
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{
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for (unsigned int i = 0U; i < m_maxReflectors; i++) {
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CDExtraHandler* reflector = m_reflectors[i];
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if (reflector != NULL) {
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bool found = false;
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if (exclude) {
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if (reflector->m_direction == DIR_OUTGOING && reflector->m_destination == handler && !reflector->m_reflector.IsSameAs(callsign)) {
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wxLogMessage(wxT("Removing outgoing DExtra link %s, %s"), reflector->m_repeater.c_str(), reflector->m_reflector.c_str());
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if (reflector->m_linkState == DEXTRA_LINKING || reflector->m_linkState == DEXTRA_LINKED) {
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CConnectData connect(reflector->m_repeater, reflector->m_yourAddress, reflector->m_yourPort);
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reflector->m_handler->writeConnect(connect);
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reflector->m_linkState = DEXTRA_UNLINKING;
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reflector->m_destination->linkFailed(DP_DEXTRA, reflector->m_reflector, false);
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}
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found = true;
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}
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} else {
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if (reflector->m_destination == handler && reflector->m_reflector.IsSameAs(callsign)) {
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wxLogMessage(wxT("Removing DExtra link %s, %s"), reflector->m_repeater.c_str(), reflector->m_reflector.c_str());
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if (reflector->m_linkState == DEXTRA_LINKING || reflector->m_linkState == DEXTRA_LINKED) {
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CConnectData connect(reflector->m_repeater, reflector->m_yourAddress, reflector->m_yourPort);
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reflector->m_handler->writeConnect(connect);
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reflector->m_linkState = DEXTRA_UNLINKING;
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reflector->m_destination->linkFailed(DP_DEXTRA, reflector->m_reflector, false);
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}
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found = true;
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}
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}
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// If an active link with incoming traffic, send an EOT to the repeater
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if (found) {
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if (reflector->m_dExtraId != 0x00U) {
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unsigned int seq = reflector->m_dExtraSeq + 1U;
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if (seq == 21U)
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seq = 0U;
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CAMBEData data;
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data.setData(END_PATTERN_BYTES, DV_FRAME_LENGTH_BYTES);
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data.setSeq(seq);
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data.setEnd(true);
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data.setId(reflector->m_dExtraId);
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reflector->m_destination->process(data, reflector->m_direction, AS_DEXTRA);
|
|
}
|
|
|
|
m_stateChange = true;
|
|
|
|
delete m_reflectors[i];
|
|
m_reflectors[i] = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void CDExtraHandler::unlink()
|
|
{
|
|
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
|
|
CDExtraHandler* reflector = m_reflectors[i];
|
|
|
|
if (reflector != NULL) {
|
|
if (!reflector->m_repeater.IsEmpty()) {
|
|
wxLogMessage(wxT("Unlinking from DExtra reflector %s"), reflector->m_reflector.c_str());
|
|
|
|
CConnectData connect(reflector->m_repeater, reflector->m_yourAddress, reflector->m_yourPort);
|
|
reflector->m_handler->writeConnect(connect);
|
|
|
|
reflector->m_linkState = DEXTRA_UNLINKING;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void CDExtraHandler::writeHeader(IReflectorCallback* handler, CHeaderData& header, DIRECTION direction)
|
|
{
|
|
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
|
|
if (m_reflectors[i] != NULL)
|
|
m_reflectors[i]->writeHeaderInt(handler, header, direction);
|
|
}
|
|
}
|
|
|
|
void CDExtraHandler::writeAMBE(IReflectorCallback* handler, CAMBEData& data, DIRECTION direction)
|
|
{
|
|
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
|
|
if (m_reflectors[i] != NULL)
|
|
m_reflectors[i]->writeAMBEInt(handler, data, direction);
|
|
}
|
|
}
|
|
|
|
void CDExtraHandler::gatewayUpdate(const wxString& reflector, const wxString& address)
|
|
{
|
|
wxString gateway = reflector;
|
|
gateway.Truncate(LONG_CALLSIGN_LENGTH - 1U);
|
|
|
|
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
|
|
CDExtraHandler* reflector = m_reflectors[i];
|
|
if (reflector != NULL) {
|
|
if (reflector->m_reflector.Left(LONG_CALLSIGN_LENGTH - 1U).IsSameAs(gateway)) {
|
|
if (!address.IsEmpty()) {
|
|
// A new address, change the value
|
|
wxLogMessage(wxT("Changing IP address of DExtra gateway or reflector %s to %s"), reflector->m_reflector.c_str(), address.c_str());
|
|
reflector->m_yourAddress.s_addr = ::inet_addr(address.mb_str());
|
|
} else {
|
|
wxLogMessage(wxT("IP address for DExtra gateway or reflector %s has been removed"), reflector->m_reflector.c_str());
|
|
|
|
// No address, this probably shouldn't happen....
|
|
if (reflector->m_direction == DIR_OUTGOING && reflector->m_destination != NULL)
|
|
reflector->m_destination->linkFailed(DP_DEXTRA, reflector->m_reflector, false);
|
|
|
|
m_stateChange = true;
|
|
|
|
delete m_reflectors[i];
|
|
m_reflectors[i] = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void CDExtraHandler::clock(unsigned int ms)
|
|
{
|
|
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
|
|
if (m_reflectors[i] != NULL) {
|
|
bool ret = m_reflectors[i]->clockInt(ms);
|
|
if (ret) {
|
|
delete m_reflectors[i];
|
|
m_reflectors[i] = NULL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void CDExtraHandler::finalise()
|
|
{
|
|
for (unsigned int i = 0U; i < m_maxReflectors; i++)
|
|
delete m_reflectors[i];
|
|
|
|
delete[] m_reflectors;
|
|
}
|
|
|
|
void CDExtraHandler::processInt(CHeaderData& header)
|
|
{
|
|
wxString my = header.getMyCall1();
|
|
wxString rpt1 = header.getRptCall1();
|
|
wxString rpt2 = header.getRptCall2();
|
|
unsigned int id = header.getId();
|
|
|
|
if (m_whiteList != NULL) {
|
|
bool res = m_whiteList->isInList(my);
|
|
if (!res) {
|
|
wxLogMessage(wxT("%s rejected from DExtra as not found in the white list"), my.c_str());
|
|
m_dExtraId = 0x00U;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (m_blackList != NULL) {
|
|
bool res = m_blackList->isInList(my);
|
|
if (res) {
|
|
wxLogMessage(wxT("%s rejected from DExtra as found in the black list"), my.c_str());
|
|
m_dExtraId = 0x00U;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (m_linkState != DEXTRA_LINKED)
|
|
return;
|
|
|
|
switch (m_direction) {
|
|
case DIR_OUTGOING: {
|
|
// Always a repeater connection
|
|
if (!m_reflector.IsSameAs(rpt2) && !m_reflector.IsSameAs(rpt1))
|
|
return;
|
|
|
|
// If we're already processing, ignore the new header
|
|
if (m_dExtraId != 0x00U)
|
|
return;
|
|
|
|
// Write to Header.log if it's enabled
|
|
if (m_headerLogger != NULL)
|
|
m_headerLogger->write(wxT("DExtra"), header);
|
|
|
|
m_dExtraId = id;
|
|
m_dExtraSeq = 0x00U;
|
|
m_inactivityTimer.start();
|
|
|
|
delete m_header;
|
|
|
|
m_header = new CHeaderData(header);
|
|
m_header->setCQCQCQ();
|
|
m_header->setFlags(0x00U, 0x00U, 0x00U);
|
|
|
|
m_destination->process(*m_header, m_direction, AS_DEXTRA);
|
|
}
|
|
break;
|
|
|
|
case DIR_INCOMING:
|
|
if (!m_repeater.IsEmpty()) {
|
|
// A repeater connection
|
|
if (!m_repeater.IsSameAs(rpt2) && !m_repeater.IsSameAs(rpt1))
|
|
return;
|
|
|
|
// If we're already processing, ignore the new header
|
|
if (m_dExtraId != 0x00U)
|
|
return;
|
|
|
|
// Write to Header.log if it's enabled
|
|
if (m_headerLogger != NULL)
|
|
m_headerLogger->write(wxT("DExtra"), header);
|
|
|
|
m_dExtraId = id;
|
|
m_dExtraSeq = 0x00U;
|
|
m_inactivityTimer.start();
|
|
|
|
delete m_header;
|
|
|
|
m_header = new CHeaderData(header);
|
|
m_header->setCQCQCQ();
|
|
m_header->setFlags(0x00U, 0x00U, 0x00U);
|
|
|
|
m_destination->process(*m_header, m_direction, AS_DEXTRA);
|
|
} else {
|
|
// A Dongle connection
|
|
// Check the destination callsign
|
|
m_destination = CRepeaterHandler::findDVRepeater(rpt2);
|
|
if (m_destination == NULL) {
|
|
m_destination = CRepeaterHandler::findDVRepeater(rpt1);
|
|
if (m_destination == NULL)
|
|
return;
|
|
}
|
|
|
|
// If we're already processing, ignore the new header
|
|
if (m_dExtraId != 0x00U)
|
|
return;
|
|
|
|
// Write to Header.log if it's enabled
|
|
if (m_headerLogger != NULL)
|
|
m_headerLogger->write(wxT("DExtra"), header);
|
|
|
|
m_dExtraId = id;
|
|
m_dExtraSeq = 0x00U;
|
|
m_inactivityTimer.start();
|
|
|
|
delete m_header;
|
|
|
|
m_header = new CHeaderData(header);
|
|
m_header->setCQCQCQ();
|
|
m_header->setFlags(0x00U, 0x00U, 0x00U);
|
|
|
|
m_destination->process(*m_header, m_direction, AS_DEXTRA);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CDExtraHandler::processInt(CAMBEData& data)
|
|
{
|
|
if (m_linkState != DEXTRA_LINKED)
|
|
return;
|
|
|
|
if (m_dExtraId != data.getId())
|
|
return;
|
|
|
|
m_pollInactivityTimer.start();
|
|
m_inactivityTimer.start();
|
|
|
|
m_dExtraSeq = data.getSeq();
|
|
|
|
// Send the header every 21 frames, if we have it
|
|
if (m_dExtraSeq == 0U && m_header != NULL)
|
|
m_destination->process(*m_header, m_direction, AS_DUP);
|
|
|
|
// Copy the data to ensure it remains unchanged
|
|
CAMBEData temp(data);
|
|
|
|
m_destination->process(temp, m_direction, AS_DEXTRA);
|
|
|
|
if (temp.isEnd()) {
|
|
delete m_header;
|
|
m_header = NULL;
|
|
|
|
m_dExtraId = 0x00U;
|
|
m_dExtraSeq = 0x00U;
|
|
|
|
m_inactivityTimer.stop();
|
|
}
|
|
}
|
|
|
|
bool CDExtraHandler::processInt(CConnectData& connect, CD_TYPE type)
|
|
{
|
|
in_addr yourAddress = connect.getYourAddress();
|
|
unsigned int yourPort = connect.getYourPort();
|
|
wxString repeater = connect.getRepeater();
|
|
|
|
if (m_yourAddress.s_addr != yourAddress.s_addr || m_yourPort != yourPort)
|
|
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->linkRefused(DP_DEXTRA, m_reflector);
|
|
|
|
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->linkFailed(DP_DEXTRA, m_reflector, false);
|
|
|
|
m_stateChange = true;
|
|
}
|
|
|
|
return true;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
bool CDExtraHandler::clockInt(unsigned int ms)
|
|
{
|
|
m_tryTimer.clock(ms);
|
|
m_pollTimer.clock(ms);
|
|
m_inactivityTimer.clock(ms);
|
|
m_pollInactivityTimer.clock(ms);
|
|
|
|
if (m_pollInactivityTimer.isRunning() && m_pollInactivityTimer.hasExpired()) {
|
|
m_pollInactivityTimer.start();
|
|
|
|
delete m_header;
|
|
m_header = NULL;
|
|
|
|
m_stateChange = true;
|
|
m_dExtraId = 0x00U;
|
|
m_dExtraSeq = 0x00U;
|
|
|
|
switch (m_linkState) {
|
|
case DEXTRA_LINKING:
|
|
wxLogMessage(wxT("DExtra link to %s has failed to connect"), m_reflector.c_str());
|
|
break;
|
|
case DEXTRA_LINKED:
|
|
wxLogMessage(wxT("DExtra link to %s has failed (poll inactivity)"), m_reflector.c_str());
|
|
break;
|
|
case DEXTRA_UNLINKING:
|
|
wxLogMessage(wxT("DExtra link to %s has failed to disconnect cleanly"), m_reflector.c_str());
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (m_direction == DIR_OUTGOING) {
|
|
bool reconnect = m_destination->linkFailed(DP_DEXTRA, m_reflector, true);
|
|
if (reconnect) {
|
|
CConnectData reply(m_repeater, m_reflector, CT_LINK1, m_yourAddress, m_yourPort);
|
|
m_handler->writeConnect(reply);
|
|
m_linkState = DEXTRA_LINKING;
|
|
m_tryTimer.start(1U);
|
|
m_tryCount = 0U;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
if (m_pollTimer.isRunning() && m_pollTimer.hasExpired()) {
|
|
if (m_linkState == DEXTRA_LINKED) {
|
|
if (!m_repeater.IsEmpty()) {
|
|
wxString callsign = m_repeater;
|
|
callsign.SetChar(LONG_CALLSIGN_LENGTH - 1U, wxT(' '));
|
|
CPollData poll(callsign, m_yourAddress, m_yourPort);
|
|
m_handler->writePoll(poll);
|
|
} else {
|
|
CPollData poll(m_callsign, m_yourAddress, m_yourPort);
|
|
m_handler->writePoll(poll);
|
|
}
|
|
}
|
|
|
|
m_pollTimer.start();
|
|
}
|
|
|
|
if (m_inactivityTimer.isRunning() && m_inactivityTimer.hasExpired()) {
|
|
delete m_header;
|
|
m_header = NULL;
|
|
|
|
m_dExtraId = 0x00U;
|
|
m_dExtraSeq = 0x00U;
|
|
|
|
m_inactivityTimer.stop();
|
|
}
|
|
|
|
if (m_linkState == DEXTRA_LINKING) {
|
|
if (m_tryTimer.isRunning() && m_tryTimer.hasExpired()) {
|
|
CConnectData reply(m_repeater, m_reflector, CT_LINK1, m_yourAddress, m_yourPort);
|
|
m_handler->writeConnect(reply);
|
|
|
|
unsigned int timeout = calcBackoff();
|
|
m_tryTimer.start(timeout);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void CDExtraHandler::writeHeaderInt(IReflectorCallback* handler, CHeaderData& header, DIRECTION direction)
|
|
{
|
|
if (m_linkState != DEXTRA_LINKED)
|
|
return;
|
|
|
|
// Is it link in the right direction
|
|
if (m_direction != direction)
|
|
return;
|
|
|
|
// Already in use?
|
|
if (m_dExtraId != 0x00)
|
|
return;
|
|
|
|
switch (m_direction) {
|
|
case DIR_OUTGOING:
|
|
if (m_destination == handler) {
|
|
header.setDestination(m_yourAddress, m_yourPort);
|
|
m_handler->writeHeader(header);
|
|
}
|
|
break;
|
|
|
|
case DIR_INCOMING:
|
|
if (m_repeater.IsEmpty() || m_destination == handler) {
|
|
header.setDestination(m_yourAddress, m_yourPort);
|
|
m_handler->writeHeader(header);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CDExtraHandler::writeAMBEInt(IReflectorCallback* handler, CAMBEData& data, DIRECTION direction)
|
|
{
|
|
if (m_linkState != DEXTRA_LINKED)
|
|
return;
|
|
|
|
// Is it link in the right direction
|
|
if (m_direction != direction)
|
|
return;
|
|
|
|
// Already in use?
|
|
if (m_dExtraId != 0x00)
|
|
return;
|
|
|
|
switch (m_direction) {
|
|
case DIR_OUTGOING:
|
|
if (m_destination == handler) {
|
|
data.setDestination(m_yourAddress, m_yourPort);
|
|
m_handler->writeAMBE(data);
|
|
}
|
|
break;
|
|
|
|
case DIR_INCOMING:
|
|
if (m_repeater.IsEmpty() || m_destination == handler) {
|
|
data.setDestination(m_yourAddress, m_yourPort);
|
|
m_handler->writeAMBE(data);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
bool CDExtraHandler::stateChange()
|
|
{
|
|
bool stateChange = m_stateChange;
|
|
|
|
m_stateChange = false;
|
|
|
|
return stateChange;
|
|
}
|
|
|
|
void CDExtraHandler::writeStatus(wxFFile& file)
|
|
{
|
|
for (unsigned int i = 0U; i < m_maxReflectors; i++) {
|
|
CDExtraHandler* reflector = m_reflectors[i];
|
|
if (reflector != NULL) {
|
|
wxString text;
|
|
|
|
struct tm* tm = ::gmtime(&reflector->m_time);
|
|
|
|
switch (reflector->m_direction) {
|
|
case DIR_OUTGOING:
|
|
if (reflector->m_linkState == DEXTRA_LINKED) {
|
|
text.Printf(wxT("%04d-%02d-%02d %02d:%02d:%02d: DExtra link - Type: Repeater Rptr: %s Refl: %s Dir: Outgoing\n"),
|
|
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec,
|
|
reflector->m_repeater.c_str(), reflector->m_reflector.c_str());
|
|
|
|
file.Write(text);
|
|
}
|
|
break;
|
|
|
|
case DIR_INCOMING:
|
|
if (reflector->m_linkState == DEXTRA_LINKED) {
|
|
if (reflector->m_repeater.IsEmpty())
|
|
text.Printf(wxT("%04d-%02d-%02d %02d:%02d:%02d: DExtra link - Type: Dongle User: %s Dir: Incoming\n"),
|
|
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec,
|
|
reflector->m_reflector.c_str());
|
|
else
|
|
text.Printf(wxT("%04d-%02d-%02d %02d:%02d:%02d: DExtra link - Type: Repeater Rptr: %s Refl: %s Dir: Incoming\n"),
|
|
tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec,
|
|
reflector->m_repeater.c_str(), reflector->m_reflector.c_str());
|
|
|
|
file.Write(text);
|
|
}
|
|
break;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
unsigned int CDExtraHandler::calcBackoff()
|
|
{
|
|
if (m_tryCount >= 7U) {
|
|
m_tryCount++;
|
|
return 60U;
|
|
}
|
|
|
|
unsigned int timeout = 1U;
|
|
|
|
for (unsigned int i = 0U; i < m_tryCount; i++)
|
|
timeout *= 2U;
|
|
|
|
m_tryCount++;
|
|
|
|
if (timeout > 60U)
|
|
return 60U;
|
|
else
|
|
return timeout;
|
|
}
|