add hand over required msg

src/NgapSmfLayer/ng_pdu_handover_required.c

+#include  "ng_pdu_handover_required.h"
+
+#include  "Ngap_NGAP-PDU.h"
+#include  "Ngap_ProtocolIE-Field.h"
+#include  "Ngap_ProcedureCode.h"
+#include  "Ngap_InitiatingMessage.h"
+
+#include  "Ngap_Criticality.h"
+
+#include  "Ngap_HandoverRequired.h"
+#include  "Ngap_HandoverType.h"
+
+#include  "Ngap_CauseRadioNetwork.h"
+#include  "Ngap_DirectForwardingPathAvailability.h"
+
+#include  "Ngap_PDUSessionResourceListHORqd.h"
+#include  "Ngap_PDUSessionResourceItemHORqd.h"
+
+
+#include "Ngap_TargetID.h"
+
+#include "Ngap_TargetRANNodeID.h"
+#include "Ngap_TargeteNB-ID.h"
+#include "Ngap_ProtocolIE-SingleContainer.h"
+
+
+
+#include  "common_defs.h"
+#include  "common_types.h"
+#include  "../common/ngap/ngap_common.h"
+
+
+#include  "INTEGER.h"
+#include  "asn_SEQUENCE_OF.h"
+#include  "OCTET_STRING.h"
+
+#define BUF_LEN   1024
+Ngap_HandoverRequiredIEs_t  *make_handover_required_RAN_UE_NGAP_ID(uint32_t rAN_UE_NGAP_ID)
+{
+	Ngap_HandoverRequiredIEs_t *ie;
+	ie                              = calloc(1, sizeof(Ngap_HandoverRequiredIEs_t));
+
+	ie->id                          = Ngap_ProtocolIE_ID_id_RAN_UE_NGAP_ID;
+	ie->criticality                 = Ngap_Criticality_reject;
+	ie->value.present               = Ngap_HandoverRequiredIEs__value_PR_RAN_UE_NGAP_ID;
+	ie->value.choice.RAN_UE_NGAP_ID = rAN_UE_NGAP_ID ;
+
+	printf("RAN_UE_NGAP_ID:0x%x\n",ie->value.choice.RAN_UE_NGAP_ID);
+	return ie;
+}
+Ngap_HandoverRequiredIEs_t  *make_handover_required_AMF_UE_NGAP_ID(uint64_t amf_UE_NGAP_ID)
+{
+    Ngap_HandoverRequiredIEs_t *ie = NULL;
+	ie                = calloc(1, sizeof(Ngap_HandoverRequiredIEs_t));
+	
+	ie->id            = Ngap_ProtocolIE_ID_id_AMF_UE_NGAP_ID;
+	ie->criticality   = Ngap_Criticality_reject;
+	ie->value.present = Ngap_HandoverRequiredIEs__value_PR_AMF_UE_NGAP_ID;
+
+	asn_ulong2INTEGER(&ie->value.choice.AMF_UE_NGAP_ID, amf_UE_NGAP_ID & AMF_UE_NGAP_ID_MASK_);
+	
+	printf("AMF_UE_NGAP_ID:0x%x\n",ie->value.choice.AMF_UE_NGAP_ID);
+	return ie;
+}
+
+Ngap_HandoverRequiredIEs_t  *make_handover_required_HandoverType(const long handoverType)
+{
+	Ngap_HandoverRequiredIEs_t *ie = NULL;
+	ie                             = calloc(1, sizeof(Ngap_HandoverRequiredIEs_t));
+	
+	ie->id                         = Ngap_ProtocolIE_ID_id_HandoverType;
+	ie->criticality                = Ngap_Criticality_reject;
+	ie->value.present              = Ngap_HandoverRequiredIEs__value_PR_HandoverType;
+	
+    ie->value.choice.HandoverType  = handoverType;
+	printf("handoverType:0x%x\n",ie->value.choice.HandoverType);
+	return ie;
+}
+
+Ngap_HandoverRequiredIEs_t  *make_handover_required_CauseRadioNetwork(const long radioNetwork)
+{
+	Ngap_HandoverRequiredIEs_t *ie = NULL;
+	ie                                          = calloc(1, sizeof(Ngap_HandoverRequiredIEs_t));
+	
+	ie->id                                      = Ngap_ProtocolIE_ID_id_Cause;
+	ie->criticality                             = Ngap_Criticality_ignore;
+	ie->value.present                           = Ngap_HandoverRequiredIEs__value_PR_Cause;
+
+
+    ie->value.choice.Cause.present              = Ngap_Cause_PR_radioNetwork;
+    ie->value.choice.Cause.choice.radioNetwork  = radioNetwork;
+
+	printf("radioNetwork:0x%x\n",ie->value.choice.Cause.choice.radioNetwork);
+	return ie;
+}
+
+Ngap_HandoverRequiredIEs_t  * make_TargetID()
+{
+	Ngap_HandoverRequiredIEs_t *ie = NULL;
+	ie											= calloc(1, sizeof(Ngap_HandoverRequiredIEs_t));
+		
+	ie->id										= Ngap_ProtocolIE_ID_id_TargetID;
+	ie->criticality 							= Ngap_Criticality_reject;
+	ie->value.present							= Ngap_HandoverRequiredIEs__value_PR_TargetID;
+
+    return ie;
+}
+Ngap_HandoverRequiredIEs_t  *make_handover_required_DirectForwardingPathAvailability(const long DirectForwarding)
+{
+	Ngap_HandoverRequiredIEs_t *ie              = NULL;
+	ie                                          = calloc(1, sizeof(Ngap_HandoverRequiredIEs_t));
+	
+	ie->id                                      = Ngap_ProtocolIE_ID_id_DirectForwardingPathAvailability;
+	ie->criticality                             = Ngap_Criticality_ignore;
+	ie->value.present                           = Ngap_HandoverRequiredIEs__value_PR_DirectForwardingPathAvailability;
+	ie->value.choice.DirectForwardingPathAvailability = DirectForwarding;
+    printf("DirectForwardingPathAvailability:0x%x\n",ie->value.choice.DirectForwardingPathAvailability);
+	
+	return ie;
+}
+
+Ngap_PDUSessionResourceItemHORqd_t *make_handover_required_PDUSessionResourceItemHORqd(const long psid, const char *transfer)
+{
+	Ngap_PDUSessionResourceItemHORqd_t *item    = NULL;
+	item                                        = calloc(1, sizeof(Ngap_PDUSessionResourceItemHORqd_t));
+    
+	item->pDUSessionID =  psid;
+	OCTET_STRING_fromBuf (&item->handoverRequiredTransfer, transfer, strlen(transfer));
+
+    printf("psid:0x%x,transfer:%s\n",psid,transfer);
+
+    return item;
+}
+
+
+Ngap_HandoverCancelIEs_t *make_handover_required_PDUSessionResourceListHORqd()
+{
+	
+	Ngap_HandoverRequiredIEs_t *ie				= NULL;
+	ie											= calloc(1, sizeof(Ngap_HandoverRequiredIEs_t));
+		
+	ie->id										= Ngap_ProtocolIE_ID_id_PDUSessionResourceListHORqd;
+	ie->criticality 							= Ngap_Criticality_reject;
+	ie->value.present							= Ngap_HandoverRequiredIEs__value_PR_PDUSessionResourceListHORqd;
+
+	return ie;
+}
+	
+void add_pdu_handover_required_ie(Ngap_HandoverRequired_t *ngapPDUHandoverRequired, Ngap_HandoverRequiredIEs_t *ie) {
+    int ret;
+	ret = ASN_SEQUENCE_ADD(&ngapPDUHandoverRequired->protocolIEs.list, ie);
+    if ( ret != 0 ) {
+        fprintf(stderr, "Failed to add ie\n");
+		return ;
+    }
+	return ;
+}
+Ngap_NGAP_PDU_t *  ngap_generate_ng_handover_required(const char *inputBuf)
+
+{
+    Ngap_NGAP_PDU_t * pdu = NULL;
+	pdu = calloc(1, sizeof(Ngap_NGAP_PDU_t));
+    
+	pdu->present = Ngap_NGAP_PDU_PR_initiatingMessage;
+	pdu->choice.initiatingMessage = calloc(1, sizeof(Ngap_InitiatingMessage_t));
+	pdu->choice.initiatingMessage->procedureCode = Ngap_ProcedureCode_id_HandoverPreparation;
+	                                               
+	pdu->choice.initiatingMessage->criticality   = Ngap_Criticality_reject;
+	pdu->choice.initiatingMessage->value.present = Ngap_InitiatingMessage__value_PR_HandoverRequired;
+
+    Ngap_HandoverRequired_t *ngapPDUHandoverRequired = NULL;
+	ngapPDUHandoverRequired = &pdu->choice.initiatingMessage->value.choice.HandoverRequired;
+	
+	Ngap_HandoverRequiredIEs_t  *ie = NULL;
+
+    //Ngap_AMF_UE_NGAP_ID_t
+	uint64_t  amf_ue_ngap_id = 0x80;
+	ie  = make_handover_required_AMF_UE_NGAP_ID(amf_ue_ngap_id);
+    add_pdu_handover_required_ie(ngapPDUHandoverRequired, ie);
+
+	//Ngap_AMF_UE_NGAP_ID_t
+    uint32_t  ran_ue_ngap_id = 0x81;
+	ie  = make_handover_required_RAN_UE_NGAP_ID(ran_ue_ngap_id);
+	add_pdu_handover_required_ie(ngapPDUHandoverRequired, ie);
+
+    
+    //Ngap_HandoverType
+    ie = make_handover_required_HandoverType(Ngap_HandoverType_intra5gs);
+	add_pdu_handover_required_ie(ngapPDUHandoverRequired, ie);
+
+	//Cause:CauseRadioNetwork
+	ie = make_handover_required_CauseRadioNetwork(Ngap_CauseRadioNetwork_unspecified);
+    add_pdu_handover_required_ie(ngapPDUHandoverRequired, ie);
+
+
+	//TargetID
+	ie =  make_TargetID();
+	ie->value.choice.TargetID.present = Ngap_TargetID_PR_targetRANNodeID;
+	
+    Ngap_TargetRANNodeID_t  * pTargetRANodeID  = NULL;
+	pTargetRANodeID  = calloc(1, sizeof(Ngap_TargetRANNodeID_t));
+	ie->value.choice.TargetID.choice.targetRANNodeID = pTargetRANodeID;
+
+	//Ngap_GlobalRANNodeID_t	 globalRANNodeID;
+    pTargetRANodeID->globalRANNodeID.present  = Ngap_GlobalRANNodeID_PR_globalGNB_ID;
+	
+	Ngap_GlobalGNB_ID_t   *pGlobalGNB_ID = NULL;
+	pGlobalGNB_ID = calloc(1, sizeof(Ngap_GlobalGNB_ID_t));
+    pTargetRANodeID->globalRANNodeID.choice.globalGNB_ID  = pGlobalGNB_ID;
+
+    //Ngap_PLMNIdentity_t	 pLMNIdentity;
+    char global_pLMNIdentity[3] = {0x00,0x01,0x02};
+	OCTET_STRING_fromBuf(&pGlobalGNB_ID->pLMNIdentity, (const char*)global_pLMNIdentity, sizeof(global_pLMNIdentity));
+    printf("tAI.pLMNIdentity:0x%x,0x%x,0x%x,\n",
+	pGlobalGNB_ID->pLMNIdentity.buf[0],pGlobalGNB_ID->pLMNIdentity.buf[1],pGlobalGNB_ID->pLMNIdentity.buf[2]);
+  
+	
+	//Ngap_GNB_ID_t	 gNB_ID;
+	pGlobalGNB_ID->gNB_ID.present =  Ngap_GNB_ID_PR_gNB_ID;
+
+	//CellIdentity;
+	char  cellIdentity[4] = {0x00,0x01,0x02,0x03};   //36bits
+	pGlobalGNB_ID->gNB_ID.choice.gNB_ID.buf = calloc(4, sizeof(uint8_t));
+	
+	pGlobalGNB_ID->gNB_ID.choice.gNB_ID.size = 4;
+	memcpy(pGlobalGNB_ID->gNB_ID.choice.gNB_ID.buf, &cellIdentity, 4);
+	//pGlobalGNB_ID->gNB_ID.choice.gNB_ID.bits_unused = 0x04;
+
+
+    printf("pGlobalGNB_ID->gNB_ID:0x%x,0x%x,0x%x\n", 
+	pGlobalGNB_ID->gNB_ID.choice.gNB_ID.buf[0],pGlobalGNB_ID->gNB_ID.choice.gNB_ID.buf[1],
+    pGlobalGNB_ID->gNB_ID.choice.gNB_ID.buf[2]);
+
+	
+	//Ngap_TAI_t	 selectedTAI;
+
+	//pLMNIdentity;
+    char tai_pLMNIdentity[3] = {0x00,0x01,0x02};
+	OCTET_STRING_fromBuf(&pTargetRANodeID->selectedTAI.pLMNIdentity, (const char*)tai_pLMNIdentity, sizeof(tai_pLMNIdentity));
+    printf("tAI.pLMNIdentity:0x%x,0x%x,0x%x,\n",
+	pTargetRANodeID->selectedTAI.pLMNIdentity.buf[0],pTargetRANodeID->selectedTAI.pLMNIdentity.buf[1],pTargetRANodeID->selectedTAI.pLMNIdentity.buf[2]);
+  
+	//tAC;
+	char tai_tAC[3] = {0x00,0x01,0x02};
+	OCTET_STRING_fromBuf(&pTargetRANodeID->selectedTAI.tAC, (const char*)tai_tAC, sizeof(tai_tAC));
+	
+	printf("tAI.tAC:0x%x,0x%x,0x%x,\n",
+	pTargetRANodeID->selectedTAI.tAC.buf[0],pTargetRANodeID->selectedTAI.tAC.buf[1],pTargetRANodeID->selectedTAI.tAC.buf[2]);
+	
+    add_pdu_handover_required_ie(ngapPDUHandoverRequired, ie);
+    
+	
+    //DirectForwardingPathAvailability
+    ie  = make_handover_required_DirectForwardingPathAvailability(Ngap_DirectForwardingPathAvailability_direct_path_available);
+	add_pdu_handover_required_ie(ngapPDUHandoverRequired, ie);
+
+
+	//PDUSessionResourceListHORqd
+	Ngap_PDUSessionResourceItemHORqd_t   *sourceItem = NULL;  
+	ie         =  make_handover_required_PDUSessionResourceListHORqd();
+    sourceItem =  make_handover_required_PDUSessionResourceItemHORqd(0x01, "test_resource_item");
+	ASN_SEQUENCE_ADD(&ie->value.choice.PDUSessionResourceListHORqd.list, sourceItem);
+	add_pdu_handover_required_ie(ngapPDUHandoverRequired, ie);
+	
+	//SourceToTarget_TransparentContainer
+	 
+    return pdu;
+}
+
+
+int
+ngap_amf_handle_ng_pdu_handover_required(
+    const sctp_assoc_id_t assoc_id,
+    const sctp_stream_id_t stream,
+	Ngap_NGAP_PDU_t *pdu){
+
+    int rc = RETURNok;
+
+	#if 0
+    gnb_description_t   * gnb_association = NULL; 
+	//gnb_description_t   * gnb_ref = NULL;
+    uint32_t              gnb_id = 0;
+    char                 *gnb_name = NULL;
+    int				      gnb_name_size = 0;
+    int                   ta_ret = 0;
+    uint32_t              max_gnb_connected = 0;
+    int i = 0;
+	
+	#endif
+
+	int i  = 0;
+    Ngap_HandoverRequired_t                  *container = NULL;
+    Ngap_HandoverRequiredIEs_t               *ie = NULL;
+    Ngap_HandoverRequiredIEs_t               *ie_gnb_name = NULL;
+
+    unsigned  long    amf_ue_ngap_id        = 0;
+	uint32_t          ran_ue_ngap_id        = 0;
+    uint32_t          handoverType          = 0;
+	uint32_t          radioNetwork          = 0;
+	uint32_t          DirectForwardingPathAvailability = 0;
+	
+	uint32_t    pDUSessionid   = 0;
+	char       *pDUSessionTransfer  = NULL;
+	
+
+    DevAssert (pdu != NULL);
+    //OAILOG_INFO(LOG_NGAP,"----------------------- DECODED NG SETUP REQUEST NGAP MSG --------------------------\n");
+    //asn_fprint(stdout, &asn_DEF_Ngap_NGAP_PDU, pdu);
+    //OAILOG_INFO(LOG_NGAP,"----------------------- DECODED NG SETUP REQUEST NGAP MSG --------------------------\n");
+
+	container = &pdu->choice.initiatingMessage->value.choice.HandoverRequired;
+    
+    //AMF_UE_NGAP_ID
+    NGAP_FIND_PROTOCOLIE_BY_ID(Ngap_HandoverRequiredIEs_t, ie, container, Ngap_ProtocolIE_ID_id_AMF_UE_NGAP_ID, false);
+    if (ie) 
+	{  
+	   asn_INTEGER2ulong(&ie->value.choice.AMF_UE_NGAP_ID, &amf_ue_ngap_id);
+	   printf("amf_ue_ngap_id, 0x%x\n", amf_ue_ngap_id);
+    }
+
+    //Ngap_AMF_UE_NGAP_ID_t
+    NGAP_FIND_PROTOCOLIE_BY_ID(Ngap_HandoverRequiredIEs_t, ie, container, Ngap_ProtocolIE_ID_id_RAN_UE_NGAP_ID, false);
+    if (ie) 
+	{  
+	   ran_ue_ngap_id = ie->value.choice.RAN_UE_NGAP_ID;
+	   printf("ran_ue_ngap_id, 0x%x\n", ran_ue_ngap_id);
+    }
+
+    //Ngap_HandoverType
+    NGAP_FIND_PROTOCOLIE_BY_ID(Ngap_HandoverRequiredIEs_t, ie, container, Ngap_ProtocolIE_ID_id_HandoverType, false);
+    if (ie) 
+	{  
+	   handoverType = ie->value.choice.HandoverType;
+	   printf("HandoverType, 0x%x\n", handoverType);
+    }
+
+    //cause
+	NGAP_FIND_PROTOCOLIE_BY_ID(Ngap_HandoverRequiredIEs_t, ie, container, Ngap_ProtocolIE_ID_id_Cause, false);
+	if (ie) 
+	{  
+	    switch(ie->value.choice.Cause.present)
+	    {
+			case Ngap_Cause_PR_radioNetwork:
+			{
+             	radioNetwork = ie->value.choice.Cause.choice.radioNetwork ;
+		        printf("radioNetwork, 0x%x\n", radioNetwork);
+			}
+			break;
+			case Ngap_Cause_PR_transport:
+			{
+			}
+			break;
+	        case Ngap_Cause_PR_nas:
+			{
+			}
+			break;
+	        case Ngap_Cause_PR_protocol:
+			{
+			}
+		    break;
+	        case Ngap_Cause_PR_misc:
+			{
+			}
+			break;
+			default:
+				printf("don't know cause type:%d\n", ie->value.choice.Cause.present);
+	    }
+	}
+
+
+    NGAP_FIND_PROTOCOLIE_BY_ID(Ngap_HandoverRequiredIEs_t, ie, container, Ngap_ProtocolIE_ID_id_DirectForwardingPathAvailability, false);
+	if (ie) 
+	{
+    	DirectForwardingPathAvailability = ie->value.choice.DirectForwardingPathAvailability;
+	    printf("DirectForwardingPathAvailability, 0x%x\n", DirectForwardingPathAvailability);
+	}
+
+    NGAP_FIND_PROTOCOLIE_BY_ID(Ngap_HandoverRequiredIEs_t, ie, container, Ngap_ProtocolIE_ID_id_PDUSessionResourceListHORqd, false);
+	if (ie) 
+	{
+    	
+		Ngap_PDUSessionResourceListHORqd_t	 *resourceListHORqd_container  =	&ie->value.choice.PDUSessionResourceListHORqd;
+		for (i	= 0;i < resourceListHORqd_container->list.count; i++)
+		{
+			Ngap_PDUSessionResourceItemHORqd_t *resourceItemHIes_p = NULL;
+			resourceItemHIes_p = resourceListHORqd_container->list.array[i];
+					
+			if(!resourceItemHIes_p)
+			{
+				continue;
+			}
+	
+			pDUSessionid		   = resourceItemHIes_p->pDUSessionID;
+			pDUSessionTransfer	   = resourceItemHIes_p->handoverRequiredTransfer.buf;
+			
+			printf("ResourceItem, pDUSessionID:0x%x,transfer:%s\n", pDUSessionid, pDUSessionTransfer);
+	     }
+	}
+	return rc;
+}
+
+
+int  make_NGAP_PduHandOverRequired(const char *inputBuf, const char *OutputBuf)
+{
+
+    printf("pdu session hand over required, start--------------------\n\n");
+
+    int ret = 0;
+	int rc  = RETURNok;
+	const sctp_assoc_id_t assoc_id  = 0;
+    const sctp_stream_id_t stream   = 0;
+	Ngap_NGAP_PDU_t  message = {0};
+
+	//wys:  1024 ?
+	size_t buffer_size = 1024;  
+	void *buffer = calloc(1,buffer_size);
+	asn_enc_rval_t er;	
+	
+	Ngap_NGAP_PDU_t * pdu =  ngap_generate_ng_handover_required(inputBuf);
+	if(!pdu)
+		goto ERROR;
+
+    asn_fprint(stderr, &asn_DEF_Ngap_NGAP_PDU, pdu);
+
+    ret  =  check_NGAP_pdu_constraints(pdu);
+    if(ret < 0) 
+	{
+		printf("ng hand over required  Constraint validation  failed\n");
+		rc = RETURNerror;
+		goto ERROR; 
+	}
+
+	//encode
+	er = aper_encode_to_buffer(&asn_DEF_Ngap_NGAP_PDU, NULL, pdu, buffer, buffer_size);
+	if(er.encoded < 0)
+	{
+		printf("ng hand over required encode failed,er.encoded:%d\n",er.encoded);
+		rc = RETURNerror;
+		goto ERROR; 
+	}
+  		 
+	bstring msgBuf = blk2bstr(buffer, er.encoded);
+
+    //decode
+    ngap_amf_decode_pdu(&message, msgBuf);
+	ngap_amf_handle_ng_pdu_handover_required(0,0, &message);
+
+
+    //Free pdu
+    ASN_STRUCT_FREE(asn_DEF_Ngap_NGAP_PDU, pdu);
+	if(buffer)
+	{
+		free(buffer);
+		buffer = NULL;
+	}
+	printf("pdu session  hand over required, finish--------------------\n\n");
+    return rc;
+
+ERROR:
+	//Free pdu
+	if(pdu)
+        ASN_STRUCT_FREE(asn_DEF_Ngap_NGAP_PDU, pdu);
+	if(buffer)
+	{
+		free(buffer);
+		buffer = NULL;
+	}
+ 	return rc;  
+}
+
+

src/NgapSmfLayer/ng_pdu_handover_required.h

+#ifndef  NG_PDU_HANDOVER_REQUIRED_H_
+#define  NG_PDU_HANDOVER_REQUIRED_H_
+
+
+int make_NGAP_PduHandOverRequired(const char *inputBuf, const char *outputBuf);
+
+#endif
+

src/smf_app/CMakeLists.txt

@@ -43,6 +43,7 @@ add_library (SMF STATIC
   ${SRC_TOP_DIR}/NgapSmfLayer/ng_pdu_session_resource_notify.c
   ${SRC_TOP_DIR}/NgapSmfLayer/ng_pdu_session_resource_modify_indication.c
   ${SRC_TOP_DIR}/NgapSmfLayer/ng_pdu_session_resource_modify_confirm.c
+  ${SRC_TOP_DIR}/NgapSmfLayer/ng_pdu_handover_required.c
   smf_app.cpp
   smf_config.cpp
   smf_context.cpp

src/smf_app/smf_app.cpp

@@ -55,6 +55,8 @@ extern "C"{
 #include "../NgapSmfLayer/ng_pdu_session_resource_notify.h"
 #include "../NgapSmfLayer/ng_pdu_session_resource_modify_indication.h"
 #include "../NgapSmfLayer/ng_pdu_session_resource_modify_confirm.h"
+#include "../NgapSmfLayer/ng_pdu_handover_required.h"
+
 
 }
 
@@ -2400,6 +2402,9 @@ void smf_app::create_n2_sm_information(std::shared_ptr<itti_n11_create_sm_contex
 	make_NGAP_PduSessionResourceNotify("",  "");
 	make_NGAP_PduSessionResourceModifyIndication("", "");
 	make_NGAP_PduSessionResourceModifyConfirm("", "");
+
+	
+	make_NGAP_PduHandOverRequired("", "");
 	
 	//make_NGAP_PduSessionResourceReleaseCommand("", "");