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/*! \file s1ap_eNB_encoder.c
* \brief s1ap pdu encode procedures for eNB
* \author Sebastien ROUX <sebastien.roux@eurecom.fr>
* \date 2013
* \version 0.1
*/
#include <stdio.h>
#include <string.h>
#include "s1ap_common.h"
#include "s1ap_ies_defs.h"
#include "s1ap_eNB_encoder.h"
#include "assertions.h"
#include "conversions.h"
static inline int s1ap_eNB_encode_initiating(s1ap_message *message,
uint8_t **buffer,
uint32_t *len);
static inline int s1ap_eNB_encode_successfull_outcome(s1ap_message *message,
uint8_t **buffer, uint32_t *len);
static inline int s1ap_eNB_encode_unsuccessfull_outcome(s1ap_message *message,
uint8_t **buffer, uint32_t *len);
static inline int s1ap_eNB_encode_s1_setup_request(
S1ap_S1SetupRequestIEs_t *s1SetupRequestIEs, uint8_t **buffer, uint32_t *length);
static inline int s1ap_eNB_encode_trace_failure(S1ap_TraceFailureIndicationIEs_t
*trace_failure_ies_p, uint8_t **buffer,
uint32_t *length);
static inline int s1ap_eNB_encode_initial_ue_message(S1ap_InitialUEMessageIEs_t
*initialUEmessageIEs_p, uint8_t **buffer,
uint32_t *length);
static inline int s1ap_eNB_encode_uplink_nas_transport(S1ap_UplinkNASTransportIEs_t
*uplinkNASTransportIEs,
uint8_t **buffer,
uint32_t *length);
static inline int s1ap_eNB_encode_ue_capability_info_indication(
S1ap_UECapabilityInfoIndicationIEs_t *ueCapabilityInfoIndicationIEs,
uint8_t **buffer,
uint32_t *length);
static inline int s1ap_eNB_encode_initial_context_setup_response(
S1ap_InitialContextSetupResponseIEs_t *initialContextSetupResponseIEs,
uint8_t **buffer,
uint32_t *length);
int s1ap_eNB_encode_pdu(s1ap_message *message, uint8_t **buffer, uint32_t *len)
{
DevAssert(message != NULL);
DevAssert(buffer != NULL);
DevAssert(len != NULL);
switch(message->direction) {
case S1AP_PDU_PR_initiatingMessage:
return s1ap_eNB_encode_initiating(message, buffer, len);
case S1AP_PDU_PR_successfulOutcome:
return s1ap_eNB_encode_successfull_outcome(message, buffer, len);
case S1AP_PDU_PR_unsuccessfulOutcome:
return s1ap_eNB_encode_unsuccessfull_outcome(message, buffer, len);
default:
S1AP_DEBUG("Unknown message outcome (%d) or not implemented",
(int)message->direction);
break;
}
return -1;
}
static inline
int s1ap_eNB_encode_initiating(s1ap_message *message,
uint8_t **buffer, uint32_t *len)
{
switch(message->procedureCode) {
case S1ap_ProcedureCode_id_S1Setup:
return s1ap_eNB_encode_s1_setup_request(
&message->msg.s1ap_S1SetupRequestIEs, buffer, len);
case S1ap_ProcedureCode_id_uplinkNASTransport:
return s1ap_eNB_encode_uplink_nas_transport(
&message->msg.s1ap_UplinkNASTransportIEs, buffer, len);
case S1ap_ProcedureCode_id_UECapabilityInfoIndication:
return s1ap_eNB_encode_ue_capability_info_indication(
&message->msg.s1ap_UECapabilityInfoIndicationIEs, buffer, len);
case S1ap_ProcedureCode_id_initialUEMessage:
return s1ap_eNB_encode_initial_ue_message(
&message->msg.s1ap_InitialUEMessageIEs, buffer, len);
default:
S1AP_DEBUG("Unknown procedure ID (%d) for initiating message\n",
(int)message->procedureCode);
break;
}
return -1;
}
static inline
int s1ap_eNB_encode_successfull_outcome(s1ap_message *message,
uint8_t **buffer, uint32_t *len)
{
switch(message->procedureCode) {
case S1ap_ProcedureCode_id_InitialContextSetup:
return s1ap_eNB_encode_initial_context_setup_response(
&message->msg.s1ap_InitialContextSetupResponseIEs, buffer, len);
default:
S1AP_DEBUG("Unknown procedure ID (%d) for successfull outcome message\n",
(int)message->procedureCode);
break;
}
return -1;
}
static inline
int s1ap_eNB_encode_unsuccessfull_outcome(s1ap_message *message,
uint8_t **buffer, uint32_t *len)
{
switch(message->procedureCode) {
default:
S1AP_DEBUG("Unknown procedure ID (%d) for unsuccessfull outcome message\n",
(int)message->procedureCode);
break;
}
return -1;
}
static inline
int s1ap_eNB_encode_ue_capability_info_indication(
S1ap_UECapabilityInfoIndicationIEs_t *ueCapabilityInfoIndicationIEs,
uint8_t **buffer,
uint32_t *length)
{
S1ap_UECapabilityInfoIndication_t ueCapabilityInfoIndication;
S1ap_UECapabilityInfoIndication_t *ueCapabilityInfoIndication_p =
&ueCapabilityInfoIndication;
memset((void *)ueCapabilityInfoIndication_p, 0, sizeof(ueCapabilityInfoIndication));
if (s1ap_encode_s1ap_uecapabilityinfoindicationies(
ueCapabilityInfoIndication_p, ueCapabilityInfoIndicationIEs) < 0)
{
return -1;
}
return s1ap_generate_initiating_message(buffer,
length,
S1ap_ProcedureCode_id_UECapabilityInfoIndication,
S1ap_Criticality_ignore,
&asn_DEF_S1ap_UECapabilityInfoIndication,
ueCapabilityInfoIndication_p);
}
static inline
int s1ap_eNB_encode_uplink_nas_transport(
S1ap_UplinkNASTransportIEs_t *uplinkNASTransportIEs,
uint8_t **buffer,
uint32_t *length)
{
S1ap_UplinkNASTransport_t uplinkNASTransport;
S1ap_UplinkNASTransport_t *uplinkNASTransport_p = &uplinkNASTransport;
memset((void *)uplinkNASTransport_p, 0, sizeof(uplinkNASTransport));
if (s1ap_encode_s1ap_uplinknastransporties(
uplinkNASTransport_p, uplinkNASTransportIEs) < 0)
{
return -1;
}
return s1ap_generate_initiating_message(buffer,
length,
S1ap_ProcedureCode_id_uplinkNASTransport,
S1ap_Criticality_ignore,
&asn_DEF_S1ap_UplinkNASTransport,
uplinkNASTransport_p);
}
static inline
int s1ap_eNB_encode_s1_setup_request(
S1ap_S1SetupRequestIEs_t *s1SetupRequestIEs,
uint8_t **buffer,
uint32_t *length)
{
S1ap_S1SetupRequest_t s1SetupRequest;
S1ap_S1SetupRequest_t *s1SetupRequest_p = &s1SetupRequest;
memset((void *)s1SetupRequest_p, 0, sizeof(s1SetupRequest));
if (s1ap_encode_s1ap_s1setuprequesties(s1SetupRequest_p, s1SetupRequestIEs) < 0) {
return -1;
}
return s1ap_generate_initiating_message(buffer,
length,
S1ap_ProcedureCode_id_S1Setup,
S1ap_Criticality_reject,
&asn_DEF_S1ap_S1SetupRequest,
s1SetupRequest_p);
}
static inline
int s1ap_eNB_encode_initial_ue_message(
S1ap_InitialUEMessageIEs_t *initialUEmessageIEs_p,
uint8_t **buffer,
uint32_t *length)
{
S1ap_InitialUEMessage_t initialUEMessage;
S1ap_InitialUEMessage_t *initialUEMessage_p = &initialUEMessage;
memset((void *)initialUEMessage_p, 0, sizeof(initialUEMessage));
if (s1ap_encode_s1ap_initialuemessageies(
initialUEMessage_p, initialUEmessageIEs_p) < 0)
{
return -1;
}
return s1ap_generate_initiating_message(buffer,
length,
S1ap_ProcedureCode_id_initialUEMessage,
S1ap_Criticality_reject,
&asn_DEF_S1ap_InitialUEMessage,
initialUEMessage_p);
}
static inline
int s1ap_eNB_encode_trace_failure(
S1ap_TraceFailureIndicationIEs_t *trace_failure_ies_p,
uint8_t **buffer,
uint32_t *length)
{
S1ap_TraceFailureIndication_t trace_failure;
S1ap_TraceFailureIndication_t *trace_failure_p = &trace_failure;
memset((void *)trace_failure_p, 0, sizeof(trace_failure));
if (s1ap_encode_s1ap_tracefailureindicationies(
trace_failure_p, trace_failure_ies_p) < 0)
{
return -1;
}
return s1ap_generate_initiating_message(buffer,
length,
S1ap_ProcedureCode_id_TraceFailureIndication,
S1ap_Criticality_reject,
&asn_DEF_S1ap_TraceFailureIndication,
trace_failure_p);
}
static inline
int s1ap_eNB_encode_initial_context_setup_response(
S1ap_InitialContextSetupResponseIEs_t *initialContextSetupResponseIEs,
uint8_t **buffer,
uint32_t *length)
{
S1ap_InitialContextSetupResponse_t initial_context_setup_response;
S1ap_InitialContextSetupResponse_t *initial_context_setup_response_p =
&initial_context_setup_response;
memset((void *)initial_context_setup_response_p, 0,
sizeof(initial_context_setup_response));
if (s1ap_encode_s1ap_initialcontextsetupresponseies(
initial_context_setup_response_p, initialContextSetupResponseIEs) < 0)
{
return -1;
}
return s1ap_generate_successfull_outcome(buffer,
length,
S1ap_ProcedureCode_id_InitialContextSetup,
S1ap_Criticality_reject,
&asn_DEF_S1ap_InitialContextSetupResponse,
initial_context_setup_response_p);
}