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#include "loggers.hh"
DENMLayer::DENMLayer(const std::string & p_type, const std::string & param) : TLayer<LibItsDenm__TestSystem::DenmPort>(p_type), _params(), _codec() {
loggers::get_instance().log(">>> DENMLayer::DENMLayer: %s, %s", to_string().c_str(), param.c_str());
// Setup parameters
Params::convert(_params, param);
_params.insert(std::make_pair<std::string, std::string>("its_aid", "37")); // ETSI TS 102 965 V1.2.1 (2015-06)
_params.insert(std::make_pair<std::string, std::string>("payload_type", "1")); // DE message id - See ETSI TS 102 894
}
void DENMLayer::sendMsg(const LibItsDenm__TestSystem::DenmReq& p, Params& params){
loggers::get_instance().log_msg(">>> DENMLayer::sendMsg: ", p);
// Encode DENM PDU
OCTETSTRING data;
if (_codec.encode(p.msgOut(), data) == -1) {
loggers::get_instance().warning("DENMLayer::sendMsg: Encodeing failure");
return;
}
}
void DENMLayer::sendData(OCTETSTRING& data, Params& params) {
loggers::get_instance().log_msg(">>> DENMLayer::sendData: ", data);
sendToAllLayers(data, params);
}
void DENMLayer::receiveData(OCTETSTRING& data, Params& params)
{
loggers::get_instance().log_msg(">>> DENMLayer::receiveData: ", data);
// Sanity check
if (*(static_cast<const unsigned char*>(data)+ 1) != 0x01) { // Check that received packet has DEN message id - See ETSI TS 102 894
// Not a DENM message, discard it
loggers::get_instance().warning("DENMLayer::receiveData: Wrong message id: 0x%02x", *(static_cast<const unsigned char*>(data)+ 1));
return;
}
// Decode the payload
LibItsDenm__TestSystem::DenmInd p;
_codec.decode(data, p.msgIn());
if (!p.msgIn().is_bound()) {
// Discard it
return;
} // else, continue
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// Process lower layer data
// gnNextHeader
Params::const_iterator it = params.find(Params::gn_next_header);
if (it != params.cend()) {
p.gnNextHeader() = std::stoi(it->second);
} else {
p.gnNextHeader().set_to_omit();
}
// gnHeaderType
it = params.find(Params::gn_header_type);
if (it != params.cend()) {
p.gnHeaderType() = std::stoi(it->second);
} else {
p.gnHeaderType().set_to_omit();
}
// gnHeaderSubtype
it = params.find(Params::gn_header_sub_type);
if (it != params.cend()) {
p.gnHeaderSubtype() = std::stoi(it->second);
} else {
p.gnHeaderSubtype().set_to_omit();
}
// gnLifetime
it = params.find(Params::gn_lifetime);
if (it != params.cend()) {
p.gnLifetime() = std::stoi(it->second);
} else {
p.gnLifetime().set_to_omit();
}
// gnTrafficClass
it = params.find(Params::gn_traffic_class);
if (it != params.cend()) {
p.gnTrafficClass() = std::stoi(it->second);
} else {
p.gnTrafficClass().set_to_omit();
}
// btpDestinationPort
it = params.find(Params::btp_destination_port);
if (it != params.cend()) {
p.btpDestinationPort() = std::stoi(it->second);
} else {
p.btpDestinationPort().set_to_omit();
}
// btpInfo
it = params.find(Params::btp_info);
if (it != params.cend()) {
p.btpInfo() = std::stoi(it->second);
} else {
p.btpInfo().set_to_omit();
}
// ssp
it = params.find(Params::ssp);
if (it != params.cend()) {
OCTETSTRING os(it->second.length(), (const unsigned char *)(it->second.c_str()));
p.ssp() = oct2bit(os);
} else {
p.ssp().set_to_omit();
}
// its_aid
it = params.find(Params::its_aid);
if (it != params.cend()) {
p.its__aid() = std::stoi(it->second);
} else {
p.its__aid().set_to_omit();
}
// Pass it to the ports if amy
toAllUpperPorts(p, params);
}