open5gs/src/mme/s1ap_build.c

107 lines
2.9 KiB
C

#define TRACE_MODULE _s1ap_build
#include "core_debug.h"
#include "mme_context.h"
#include "s1ap_build.h"
#include "s1ap_conv.h"
status_t s1ap_build_setup_rsp(pkbuf_t **pkbuf)
{
int erval;
int i, j;
s1ap_message_t message;
S1ap_S1SetupResponseIEs_t *ies = NULL;
int numServedGUMMEI = 0;
S1ap_ServedGUMMEIsItem_t *servedGUMMEI;
S1ap_PLMNidentity_t *plmnIdentity;
S1ap_MME_Group_ID_t *mmeGroupId;
S1ap_MME_Code_t *mmeCode;
memset(&message, 0, sizeof(s1ap_message_t));
ies = &message.s1ap_S1SetupResponseIEs;
numServedGUMMEI = 1;
servedGUMMEI = (S1ap_ServedGUMMEIsItem_t *)
core_calloc(numServedGUMMEI, sizeof(S1ap_ServedGUMMEIsItem_t));
for (i = 0; i < numServedGUMMEI; i++)
{
srvd_gummei_t *srvd_gummei = &mme_self()->srvd_gummei;
for (j = 0; j < srvd_gummei->num_of_plmn_id; j++)
{
plmnIdentity = (S1ap_PLMNidentity_t *)
core_calloc(1, sizeof(S1ap_PLMNidentity_t));
s1ap_buffer_to_OCTET_STRING(
&srvd_gummei->plmn_id[j], PLMN_ID_LEN, plmnIdentity);
ASN_SEQUENCE_ADD(&servedGUMMEI->servedPLMNs, plmnIdentity);
}
for (j = 0; j < srvd_gummei->num_of_mme_gid; j++)
{
mmeGroupId = (S1ap_MME_Group_ID_t *)
core_calloc(1, sizeof(S1ap_MME_Group_ID_t));
s1ap_uint16_to_OCTET_STRING(
srvd_gummei->mme_gid[j], mmeGroupId);
ASN_SEQUENCE_ADD(&servedGUMMEI->servedGroupIDs, mmeGroupId);
}
for (j = 0; j < srvd_gummei->num_of_mme_code; j++)
{
mmeCode = (S1ap_MME_Code_t *)
core_calloc(1, sizeof(S1ap_MME_Code_t));
s1ap_uint8_to_OCTET_STRING(
srvd_gummei->mme_code[j], mmeCode);
ASN_SEQUENCE_ADD(&servedGUMMEI->servedMMECs, mmeCode);
}
}
ASN_SEQUENCE_ADD(&ies->servedGUMMEIs, servedGUMMEI);
ies->relativeMMECapacity = mme_self()->relative_capacity;
message.procedureCode = S1ap_ProcedureCode_id_S1Setup;
message.direction = S1AP_PDU_PR_successfulOutcome;
erval = s1ap_encode_pdu(pkbuf, &message);
s1ap_free_pdu(&message);
if (erval < 0)
{
d_error("s1ap_encode_error : (%d)", erval);
return CORE_ERROR;
}
return CORE_OK;
}
status_t s1ap_build_setup_failure(pkbuf_t **pkbuf, S1ap_Cause_t cause)
{
int erval;
s1ap_message_t message;
S1ap_S1SetupFailureIEs_t *ies = NULL;
memset(&message, 0, sizeof(s1ap_message_t));
ies = &message.s1ap_S1SetupFailureIEs;
ies->cause = cause;
message.procedureCode = S1ap_ProcedureCode_id_S1Setup;
message.direction = S1AP_PDU_PR_unsuccessfulOutcome;
erval = s1ap_encode_pdu(pkbuf, &message);
s1ap_free_pdu(&message);
if (erval < 0)
{
d_error("s1ap_encode_error : (%d)", erval);
return CORE_ERROR;
}
return CORE_OK;
}