-int MyDiameterEntity::readSocketId(const anna::diameter::comm::Message* message, int maxClientSessions) const throw() {
- CommandLine& cl(anna::CommandLine::instantiate());
- std::string sessionBasedModelsType = (cl.exists("sessionBasedModelsClientSocketSelection") ? cl.getValue("sessionBasedModelsClientSocketSelection") : "SessionIdLowPart");
-
- if(sessionBasedModelsType == "RoundRobin") return -1; // IEC also would return -1
-
- try {
- // Service-Context-Id:
- anna::diameter::helpers::dcca::ChargingContext::_v chargingContext;
- std::string scid = anna::diameter::helpers::dcca::functions::getServiceContextId(message->getBody(), chargingContext);
-
- switch(chargingContext) {
- case anna::diameter::helpers::dcca::ChargingContext::Data:
- case anna::diameter::helpers::dcca::ChargingContext::Voice:
- case anna::diameter::helpers::dcca::ChargingContext::Content: {
- // Session-Id: '<DiameterIdentity>;<high 32 bits>;<low 32 bits>[;<optional value>="">]'
- std::string sid = anna::diameter::helpers::base::functions::getSessionId(message->getBody());
- std::string diameterIdentity, optional;
- anna::U32 high, low;
- anna::diameter::helpers::base::functions::decodeSessionId(sid, diameterIdentity, high, low /* context-teid */, optional);
-
- if(sessionBasedModelsType == "SessionIdLowPart") return (low % maxClientSessions);
-
- if(sessionBasedModelsType == "SessionIdHighPart") return (high % maxClientSessions);
-
- if(sessionBasedModelsType == "SessionIdOptionalPart") return (atoi(optional.c_str()) % maxClientSessions);
- }
- case anna::diameter::helpers::dcca::ChargingContext::SMS:
- case anna::diameter::helpers::dcca::ChargingContext::MMS:
- case anna::diameter::helpers::dcca::ChargingContext::Unknown:
- default:
- return -1; // IEC model and Unknown traffic types
- }
- } catch(anna::RuntimeException &ex) {
- LOGDEBUG(
- std::string msg = ex.getText();
- msg += " | Round-robin between sessions will be used to send";
- anna::Logger::debug(msg, ANNA_FILE_LOCATION);
- );
- }
-
- return -1;
-}
-