Method parseL3

GSM/GSML3Message.cpp:167–194

GSM::L3Message* GSM::parseL3(const GSM::L3Frame& source)
{
	if (source.size()==0) return NULL;

	LOG(DEBUG) << "GSM::parseL3 "<< source;
	L3PD PD = source.PD();
	
	L3Message *retVal = NULL;
	try {
		switch (PD) {
			case L3RadioResourcePD: retVal=parseL3RR(source); break;
			case L3MobilityManagementPD: retVal=parseL3MM(source); break;
			case L3CallControlPD: retVal=parseL3CC(source); break;
			case L3SMSPD: retVal=SMS::parseSMS(source); break;
			case L3NonCallSSPD: retVal = parseL3SupServ(source); break;
			default:
				LOG(NOTICE) << "L3 parsing failed for unsupported protocol " << PD;
				return NULL;
		}
	}
	catch (...) {	// (pat) Used to just catch L3ReadError, but lets be safer.
		LOG(NOTICE) << "L3 parsing failed for " << source;
		return NULL;
	}

	if (retVal) LOG(INFO) << "L3 recv " << *retVal;
	return retVal;
}