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sm.go
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sm.go
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package gmm
import (
"fmt"
"github.com/sirupsen/logrus"
"free5gc/lib/fsm"
"free5gc/lib/nas"
"free5gc/lib/nas/nasMessage"
"free5gc/lib/openapi/models"
"free5gc/src/amf/amf_context"
"free5gc/src/amf/gmm/gmm_event"
"free5gc/src/amf/gmm/gmm_handler"
"free5gc/src/amf/logger"
)
var GmmLog *logrus.Entry
func init() {
GmmLog = logger.GmmLog
}
func DeRegistered_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
return register_event_3gpp(sm, event, args)
}
func Registered_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
return register_event_3gpp(sm, event, args)
}
func register_event_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
var amfUe *amf_context.AmfUe
var procedureCode int64
switch event {
case fsm.EVENT_ENTRY:
return nil
case gmm_event.EVENT_GMM_MESSAGE:
amfUe = args[gmm_event.AMF_UE].(*amf_context.AmfUe)
procedureCode = args[gmm_event.PROCEDURE_CODE].(int64)
gmmMessage := args[gmm_event.GMM_MESSAGE].(*nas.GmmMessage)
switch gmmMessage.GetMessageType() {
case nas.MsgTypeULNASTransport:
return gmm_handler.HandleULNASTransport(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.ULNASTransport)
case nas.MsgTypeRegistrationRequest:
if err := gmm_handler.HandleRegistrationRequest(amfUe, models.AccessType__3_GPP_ACCESS, procedureCode, gmmMessage.RegistrationRequest); err != nil {
return err
}
case nas.MsgTypeIdentityResponse:
if err := gmm_handler.HandleIdentityResponse(amfUe, gmmMessage.IdentityResponse); err != nil {
return err
}
case nas.MsgTypeConfigurationUpdateComplete:
if err := gmm_handler.HandleConfigurationUpdateComplete(amfUe, gmmMessage.ConfigurationUpdateComplete); err != nil {
return err
}
case nas.MsgTypeServiceRequest:
if err := gmm_handler.HandleServiceRequest(amfUe, models.AccessType__3_GPP_ACCESS, procedureCode, gmmMessage.ServiceRequest); err != nil {
return err
}
case nas.MsgTypeDeregistrationRequestUEOriginatingDeregistration:
return gmm_handler.HandleDeregistrationRequest(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.DeregistrationRequestUEOriginatingDeregistration)
case nas.MsgTypeDeregistrationAcceptUETerminatedDeregistration:
return gmm_handler.HandleDeregistrationAccept(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.DeregistrationAcceptUETerminatedDeregistration)
case nas.MsgTypeStatus5GMM:
if err := gmm_handler.HandleStatus5GMM(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.Status5GMM); err != nil {
return err
}
default:
GmmLog.Errorf("Unknown GmmMessage[%d]\n", gmmMessage.GetMessageType())
}
default:
return fmt.Errorf("Unknown Event[%s]\n", event)
}
GmmLog.Trace("amfUe.RegistrationType5GS\n", amfUe.RegistrationType5GS)
switch amfUe.RegistrationType5GS {
case nasMessage.RegistrationType5GSInitialRegistration:
return gmm_handler.HandleInitialRegistration(amfUe, models.AccessType__3_GPP_ACCESS)
case nasMessage.RegistrationType5GSMobilityRegistrationUpdating:
fallthrough
case nasMessage.RegistrationType5GSPeriodicRegistrationUpdating:
return gmm_handler.HandleMobilityAndPeriodicRegistrationUpdating(amfUe, models.AccessType__3_GPP_ACCESS, procedureCode)
}
GmmLog.Trace("register_event_3gpp end\n")
return nil
}
func Authentication_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
switch event {
case fsm.EVENT_ENTRY:
case gmm_event.EVENT_GMM_MESSAGE:
amfUe := args[gmm_event.AMF_UE].(*amf_context.AmfUe)
gmmMessage := args[gmm_event.GMM_MESSAGE].(*nas.GmmMessage)
switch gmmMessage.GetMessageType() {
case nas.MsgTypeAuthenticationResponse:
return gmm_handler.HandleAuthenticationResponse(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.AuthenticationResponse)
case nas.MsgTypeAuthenticationFailure:
return gmm_handler.HandleAuthenticationFailure(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.AuthenticationFailure)
case nas.MsgTypeStatus5GMM:
return gmm_handler.HandleStatus5GMM(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.Status5GMM)
}
default:
GmmLog.Errorf("Unknown Event[%s]\n", event)
}
return nil
}
func SecurityMode_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
switch event {
case fsm.EVENT_ENTRY:
case gmm_event.EVENT_GMM_MESSAGE:
amfUe := args[gmm_event.AMF_UE].(*amf_context.AmfUe)
procedureCode := args[gmm_event.PROCEDURE_CODE].(int64)
gmmMessage := args[gmm_event.GMM_MESSAGE].(*nas.GmmMessage)
switch gmmMessage.GetMessageType() {
case nas.MsgTypeSecurityModeComplete:
return gmm_handler.HandleSecurityModeComplete(amfUe, models.AccessType__3_GPP_ACCESS, procedureCode, gmmMessage.SecurityModeComplete)
case nas.MsgTypeSecurityModeReject:
return gmm_handler.HandleSecurityModeReject(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.SecurityModeReject)
case nas.MsgTypeStatus5GMM:
return gmm_handler.HandleStatus5GMM(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.Status5GMM)
}
default:
GmmLog.Errorf("Unknown Event[%s]\n", event)
}
return nil
}
func InitialContextSetup_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
switch event {
case fsm.EVENT_ENTRY:
case gmm_event.EVENT_GMM_MESSAGE:
amfUe := args[gmm_event.AMF_UE].(*amf_context.AmfUe)
gmmMessage := args[gmm_event.GMM_MESSAGE].(*nas.GmmMessage)
switch gmmMessage.GetMessageType() {
case nas.MsgTypeRegistrationComplete:
return gmm_handler.HandleRegistrationComplete(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.RegistrationComplete)
case nas.MsgTypeStatus5GMM:
return gmm_handler.HandleStatus5GMM(amfUe, models.AccessType__3_GPP_ACCESS, gmmMessage.Status5GMM)
}
default:
GmmLog.Errorf("Unknown Event[%s]\n", event)
}
return nil
}
func DeRegistered_non_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
return register_event_non_3gpp(sm, event, args)
}
func Registered_non_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
return register_event_non_3gpp(sm, event, args)
}
func register_event_non_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
var amfUe *amf_context.AmfUe
var procedureCode int64
switch event {
case fsm.EVENT_ENTRY:
return nil
case gmm_event.EVENT_GMM_MESSAGE:
amfUe = args[gmm_event.AMF_UE].(*amf_context.AmfUe)
gmmMessage := args[gmm_event.GMM_MESSAGE].(*nas.GmmMessage)
procedureCode = args[gmm_event.PROCEDURE_CODE].(int64)
switch gmmMessage.GetMessageType() {
case nas.MsgTypeULNASTransport:
return gmm_handler.HandleULNASTransport(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.ULNASTransport)
case nas.MsgTypeRegistrationRequest:
if err := gmm_handler.HandleRegistrationRequest(amfUe, models.AccessType_NON_3_GPP_ACCESS, procedureCode, gmmMessage.RegistrationRequest); err != nil {
return nil
}
case nas.MsgTypeIdentityResponse:
if err := gmm_handler.HandleIdentityResponse(amfUe, gmmMessage.IdentityResponse); err != nil {
return err
}
case nas.MsgTypeNotificationResponse:
if err := gmm_handler.HandleNotificationResponse(amfUe, gmmMessage.NotificationResponse); err != nil {
return err
}
case nas.MsgTypeConfigurationUpdateComplete:
if err := gmm_handler.HandleConfigurationUpdateComplete(amfUe, gmmMessage.ConfigurationUpdateComplete); err != nil {
return err
}
case nas.MsgTypeServiceRequest:
if err := gmm_handler.HandleServiceRequest(amfUe, models.AccessType_NON_3_GPP_ACCESS, procedureCode, gmmMessage.ServiceRequest); err != nil {
return err
}
case nas.MsgTypeDeregistrationRequestUEOriginatingDeregistration:
return gmm_handler.HandleDeregistrationRequest(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.DeregistrationRequestUEOriginatingDeregistration)
case nas.MsgTypeDeregistrationAcceptUETerminatedDeregistration:
return gmm_handler.HandleDeregistrationAccept(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.DeregistrationAcceptUETerminatedDeregistration)
case nas.MsgTypeStatus5GMM:
if err := gmm_handler.HandleStatus5GMM(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.Status5GMM); err != nil {
return err
}
default:
GmmLog.Errorf("Unknown GmmMessage[%d]\n", gmmMessage.GetMessageType())
}
default:
GmmLog.Errorf("Unknown Event[%s]\n", event)
}
switch amfUe.RegistrationType5GS {
case nasMessage.RegistrationType5GSInitialRegistration:
return gmm_handler.HandleInitialRegistration(amfUe, models.AccessType_NON_3_GPP_ACCESS)
case nasMessage.RegistrationType5GSMobilityRegistrationUpdating:
fallthrough
case nasMessage.RegistrationType5GSPeriodicRegistrationUpdating:
return gmm_handler.HandleMobilityAndPeriodicRegistrationUpdating(amfUe, models.AccessType_NON_3_GPP_ACCESS, procedureCode)
}
return nil
}
func Authentication_non_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
switch event {
case fsm.EVENT_ENTRY:
case gmm_event.EVENT_GMM_MESSAGE:
amfUe := args[gmm_event.AMF_UE].(*amf_context.AmfUe)
gmmMessage := args[gmm_event.GMM_MESSAGE].(*nas.GmmMessage)
switch gmmMessage.GetMessageType() {
case nas.MsgTypeAuthenticationResponse:
return gmm_handler.HandleAuthenticationResponse(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.AuthenticationResponse)
case nas.MsgTypeAuthenticationFailure:
return gmm_handler.HandleAuthenticationFailure(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.AuthenticationFailure)
case nas.MsgTypeStatus5GMM:
return gmm_handler.HandleStatus5GMM(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.Status5GMM)
}
default:
GmmLog.Errorf("Unknown Event[%s]\n", event)
}
return nil
}
func SecurityMode_non_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
switch event {
case fsm.EVENT_ENTRY:
case gmm_event.EVENT_GMM_MESSAGE:
amfUe := args[gmm_event.AMF_UE].(*amf_context.AmfUe)
procedureCode := args[gmm_event.PROCEDURE_CODE].(int64)
gmmMessage := args[gmm_event.GMM_MESSAGE].(*nas.GmmMessage)
switch gmmMessage.GetMessageType() {
case nas.MsgTypeSecurityModeComplete:
return gmm_handler.HandleSecurityModeComplete(amfUe, models.AccessType_NON_3_GPP_ACCESS, procedureCode, gmmMessage.SecurityModeComplete)
case nas.MsgTypeSecurityModeReject:
return gmm_handler.HandleSecurityModeReject(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.SecurityModeReject)
case nas.MsgTypeStatus5GMM:
return gmm_handler.HandleStatus5GMM(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.Status5GMM)
}
default:
GmmLog.Errorf("Unknown Event[%s]\n", event)
}
return nil
}
func InitialContextSetup_non_3gpp(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
switch event {
case fsm.EVENT_ENTRY:
case gmm_event.EVENT_GMM_MESSAGE:
amfUe := args[gmm_event.AMF_UE].(*amf_context.AmfUe)
gmmMessage := args[gmm_event.GMM_MESSAGE].(*nas.GmmMessage)
switch gmmMessage.GetMessageType() {
case nas.MsgTypeRegistrationComplete:
return gmm_handler.HandleRegistrationComplete(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.RegistrationComplete)
case nas.MsgTypeStatus5GMM:
return gmm_handler.HandleStatus5GMM(amfUe, models.AccessType_NON_3_GPP_ACCESS, gmmMessage.Status5GMM)
}
default:
GmmLog.Errorf("Unknown Event[%s]\n", event)
}
return nil
}
func Exception(sm *fsm.FSM, event fsm.Event, args fsm.Args) error {
switch event {
case fsm.EVENT_ENTRY:
default:
GmmLog.Errorf("Unknown Event[%s]\n", event)
}
return nil
}