int s1ap_eNB_generate_initial_ue_message(struct s1ap_eNB_UE_description_s *ue_ref,
uint8_t *nas_pdu,
uint32_t nas_len) {
InitialUEMessageIEs_t initialUEmessageIEs;
InitialUEMessageIEs_t *initialUEmessageIEs_p = &initialUEmessageIEs;
uint8_t *buffer;
uint32_t len;
char tac[] = { 0x00, 0x01 };
uint8_t id[] = { 0x03, 0x56, 0xf0, 0xd8 };
char identity[] = { 0x02, 0x08, 0x34 };
memset((void *)initialUEmessageIEs_p, 0, sizeof(InitialUEMessageIEs_t));
initialUEmessageIEs.eNB_UE_S1AP_ID = ue_ref->eNB_UE_s1ap_id;
initialUEmessageIEs.nas_pdu.buf = nas_pdu;
initialUEmessageIEs.nas_pdu.size = nas_len;
initialUEmessageIEs.tai.tAC.buf = (uint8_t*)tac;
initialUEmessageIEs.tai.tAC.size = 2;
initialUEmessageIEs.tai.pLMNidentity.buf = (uint8_t*)identity;
initialUEmessageIEs.tai.pLMNidentity.size = 3;
initialUEmessageIEs.eutran_cgi.pLMNidentity.buf = (uint8_t*)identity;
initialUEmessageIEs.eutran_cgi.pLMNidentity.size = 3;
initialUEmessageIEs.eutran_cgi.cell_ID.buf = (uint8_t*)id;
initialUEmessageIEs.eutran_cgi.cell_ID.size = 4;
initialUEmessageIEs.eutran_cgi.cell_ID.bits_unused = 4;
initialUEmessageIEs.rrC_Establishment_Cause = RRC_Establishment_Cause_mo_Data;
if (s1ap_eNB_encode_initial_ue_message(initialUEmessageIEs_p, &buffer, &len) < 0) {
if (buffer != NULL) free(buffer);
return -1;
}
/* Send encoded message over sctp */
return sctp_send_msg(ue_ref->eNB->assocId, ue_ref->stream_send, buffer, len);
}
int
s1ap_eNB_generate_initial_ue_message (
uint8_t ** buffer,
uint32_t * length)
{
InitialUEMessageIEs initialUEmessageIEs;
InitialUEMessageIEs *initialUEmessageIEs_p = &initialUEmessageIEs;
memset (initialUEmessageIEs_p, 0, sizeof (InitialUEMessageIEs));
initialUEmessageIEs.eNB_UE_S1AP_ID = eNB_UE_S1AP_ID;
initialUEmessageIEs.nas_pdu.buf = infoNAS;
initialUEmessageIEs.nas_pdu.size = sizeof (infoNAS);
initialUEmessageIEs.tai.tAC.buf = tac;
initialUEmessageIEs.tai.tAC.size = 2;
initialUEmessageIEs.tai.pLMNidentity.buf = identity;
initialUEmessageIEs.tai.pLMNidentity.size = 3;
initialUEmessageIEs.eutran_cgi.pLMNidentity.buf = identity;
initialUEmessageIEs.eutran_cgi.pLMNidentity.size = 3;
initialUEmessageIEs.eutran_cgi.cell_ID.buf = id;
initialUEmessageIEs.eutran_cgi.cell_ID.size = 4;
initialUEmessageIEs.eutran_cgi.cell_ID.bits_unused = 4;
initialUEmessageIEs.rrC_Establishment_Cause = RRC_Establishment_Cause_mo_Data;
return s1ap_eNB_encode_initial_ue_message (initialUEmessageIEs_p, buffer, length);
}
static inline
int s1ap_eNB_encode_initiating(s1ap_message *s1ap_message_p,
uint8_t **buffer, uint32_t *len)
{
int ret = -1;
MessageDef *message_p;
char *message_string = NULL;
size_t message_string_size;
MessagesIds message_id;
DevAssert(s1ap_message_p != NULL);
message_string = calloc(10000, sizeof(char));
s1ap_string_total_size = 0;
switch(s1ap_message_p->procedureCode) {
case S1ap_ProcedureCode_id_S1Setup:
ret = s1ap_eNB_encode_s1_setup_request(
&s1ap_message_p->msg.s1ap_S1SetupRequestIEs, buffer, len);
s1ap_xer_print_s1ap_s1setuprequest(s1ap_xer__print2sp, message_string, s1ap_message_p);
message_id = S1AP_S1_SETUP_LOG;
break;
case S1ap_ProcedureCode_id_uplinkNASTransport:
ret = s1ap_eNB_encode_uplink_nas_transport(
&s1ap_message_p->msg.s1ap_UplinkNASTransportIEs, buffer, len);
s1ap_xer_print_s1ap_uplinknastransport(s1ap_xer__print2sp, message_string, s1ap_message_p);
message_id = S1AP_UPLINK_NAS_LOG;
break;
case S1ap_ProcedureCode_id_UECapabilityInfoIndication:
ret = s1ap_eNB_encode_ue_capability_info_indication(
&s1ap_message_p->msg.s1ap_UECapabilityInfoIndicationIEs, buffer, len);
s1ap_xer_print_s1ap_uecapabilityinfoindication(s1ap_xer__print2sp, message_string, s1ap_message_p);
message_id = S1AP_UE_CAPABILITY_IND_LOG;
break;
case S1ap_ProcedureCode_id_initialUEMessage:
ret = s1ap_eNB_encode_initial_ue_message(
&s1ap_message_p->msg.s1ap_InitialUEMessageIEs, buffer, len);
s1ap_xer_print_s1ap_initialuemessage(s1ap_xer__print2sp, message_string, s1ap_message_p);
message_id = S1AP_INITIAL_UE_MESSAGE_LOG;
break;
case S1ap_ProcedureCode_id_NASNonDeliveryIndication:
ret = s1ap_eNB_encode_nas_non_delivery(
&s1ap_message_p->msg.s1ap_NASNonDeliveryIndication_IEs, buffer, len);
s1ap_xer_print_s1ap_nasnondeliveryindication_(s1ap_xer__print2sp,
message_string, s1ap_message_p);
message_id = S1AP_NAS_NON_DELIVERY_IND_LOG;
break;
default:
S1AP_DEBUG("Unknown procedure ID (%d) for initiating message\n",
(int)s1ap_message_p->procedureCode);
return ret;
break;
}
message_string_size = strlen(message_string);
message_p = itti_alloc_new_message_sized(TASK_S1AP, message_id, message_string_size + sizeof (IttiMsgText));
message_p->ittiMsg.s1ap_s1_setup_log.size = message_string_size;
memcpy(&message_p->ittiMsg.s1ap_s1_setup_log.text, message_string, message_string_size);
itti_send_msg_to_task(TASK_UNKNOWN, INSTANCE_DEFAULT, message_p);
free(message_string);
return ret;
}
