void AS_Base::DoRequest(AsyncSlave* c, AS_Base* apNext, const APDU& arAPDU, SequenceInfo aSeqInfo)
{
c->mRspIIN.Zero();
try
{
this->SwitchOnFunction(c, apNext, arAPDU, aSeqInfo);
}
catch(ParameterException ex)
{
ChangeState(c, apNext);
ERROR_LOGGER_BLOCK(c->mpLogger, LEV_ERROR, ex.Message(), ex.ErrorCode());
c->mRspIIN.SetParameterError(true);
c->ConfigureAndSendSimpleResponse();
}
catch(NotSupportedException ex)
{
ChangeState(c, apNext);
ERROR_LOGGER_BLOCK(c->mpLogger, LEV_ERROR, ex.Message(), ex.ErrorCode());
c->mRspIIN.SetFuncNotSupported(true);
c->ConfigureAndSendSimpleResponse();
}
c->mLastRequest = arAPDU;
c->mHaveLastRequest = true;
}
void ACS_Base::ProcessResponse(AppLayerChannel* c, APDU& arAPDU, bool aExpectFIR)
{
AppControlField acf = arAPDU.GetControl();
if(acf.SEQ == c->Sequence()) {
if(acf.FIR == aExpectFIR) {
c->CancelTimer();
if(acf.FIN) {
c->ChangeState(ACS_Idle::Inst());
c->DoFinalResponse(arAPDU);
}
else {
c->IncrSequence();
c->ChangeState(ACS_WaitForFinalResponse::Inst());
c->StartTimer();
c->DoPartialResponse(arAPDU);
}
}
else {
ERROR_LOGGER_BLOCK(c->GetLogger(), LEV_WARNING, "Unexpected fir bit " << acf.FIR, ALERR_BAD_FIR_FIN);
}
}
else {
ERROR_LOGGER_BLOCK(c->GetLogger(), LEV_WARNING, "Bad sequence number " << acf.SEQ, ALERR_BAD_SEQUENCE);
}
}
void PLLS_ResetLinkWait::OnTimeout(LinkLayer* apLL)
{
if(apLL->Retry()) {
ERROR_LOGGER_BLOCK(apLL->GetLogger(), LEV_WARNING, "Confirmed data timeout, retrying, " << apLL->RetryRemaining() << " remaining", DLERR_TIMEOUT_RETRY);
apLL->StartTimer();
apLL->SendResetLinks();
}
else {
ERROR_LOGGER_BLOCK(apLL->GetLogger(), LEV_WARNING, "Confirmed data final timeout", DLERR_TIMEOUT_NO_RETRY);
apLL->ChangeState(PLLS_SecNotReset::Inst());
apLL->DoSendFailure();
}
}
void PLLS_ConfDataWait::OnTimeout(LinkLayer* apLL)
{
if(apLL->Retry()) {
ERROR_LOGGER_BLOCK(apLL->GetLogger(), LEV_WARNING, "Retry confirmed data", DLERR_TIMEOUT_RETRY);
apLL->StartTimer();
apLL->ChangeState(PLLS_ConfDataWait::Inst());
apLL->SendDelayedUserData(apLL->NextWriteFCB());
}
else {
ERROR_LOGGER_BLOCK(apLL->GetLogger(), LEV_WARNING, "Confirmed data timeout", DLERR_TIMEOUT_NO_RETRY);
apLL->ChangeState(PLLS_SecNotReset::Inst());
apLL->DoSendFailure();
}
}
void SLLS_Reset::ConfirmedUserData(LinkLayer* apLL, bool aFcb, const uint8_t* apData, size_t aDataLength)
{
apLL->SendAck();
if(apLL->NextReadFCB() == aFcb) {
apLL->ToggleReadFCB();
apLL->DoDataUp(apData, aDataLength);
}
else {
ERROR_LOGGER_BLOCK(apLL->GetLogger(), LEV_WARNING, "Confirmed data w/ wrong FCB", DLERR_WRONG_FCB_ON_RECEIVE_DATA);
}
}
void SLLS_Reset::TestLinkStatus(LinkLayer* apLL, bool aFcb)
{
if(apLL->NextReadFCB() == aFcb) {
apLL->ToggleReadFCB();
apLL->SendAck();
}
else {
// "Re-transmit most recent response that contained function code 0 (ACK) or 1 (NACK)."
// This is a pain in the pass to implement.
ERROR_LOGGER_BLOCK(apLL->GetLogger(), LEV_WARNING, "TestLinkStatus with invalid FCB", DLERR_WRONG_FCB_ON_TEST);
}
}
void ACS_WaitForConfirm::OnConfirm(AppLayerChannel* c, int aSeq)
{
// does the confirm sequence match what we expect?
if(c->Sequence() == aSeq) {
c->CancelTimer();
c->ChangeState(ACS_Idle::Inst());
c->DoSendSuccess();
}
else {
ERROR_LOGGER_BLOCK(c->GetLogger(), LEV_WARNING,
"Unexpected confirm w/ sequence " << aSeq, ALERR_UNEXPECTED_CONFIRM);
}
}
void ACS_Base::OnConfirm(AppLayerChannel* c, int aSeq)
{
ERROR_LOGGER_BLOCK(c->GetLogger(), LEV_WARNING,
"Unexpected confirm with sequence: " << aSeq, ALERR_UNEXPECTED_CONFIRM);
}
void SLLS_NotReset::ConfirmedUserData(LinkLayer* apLL, bool aFcb, const uint8_t* apData, size_t aDataLength)
{
ERROR_LOGGER_BLOCK(apLL->GetLogger(), LEV_WARNING, "ConfirmedUserData ignored", DLERR_UNEXPECTED_FRAME);
}
void SLLS_NotReset::TestLinkStatus(LinkLayer* apLL, bool aFcb)
{
ERROR_LOGGER_BLOCK(apLL->GetLogger(), LEV_WARNING, "TestLinkStatus ignored", DLERR_UNEXPECTED_FRAME);
}
void PriStateBase::NotSupported (LinkLayer* apLL, bool aIsRcvBuffFull)
{
ERROR_LOGGER_BLOCK(apLL->GetLogger(), LEV_WARNING, "Frame context not understood", DLERR_UNEXPECTED_FRAME);
}