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/*
* Copyright (C) 2019,2020 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "namf-build.h"
#include "gsm-build.h"
#include "ngap-build.h"
ogs_sbi_request_t *smf_namf_comm_build_n1_n2_message_transfer(
smf_sess_t *sess, smf_n1_n2_message_transfer_param_t *param)
{
int i;
smf_ue_t *smf_ue = NULL;
ogs_sbi_message_t message;
ogs_sbi_request_t *request = NULL;
ogs_sbi_server_t *server = NULL;
ogs_sbi_header_t header;
OpenAPI_n1_n2_message_transfer_req_data_t N1N2MessageTransferReqData;
OpenAPI_n1_message_container_t n1MessageContainer;
OpenAPI_ref_to_binary_data_t n1MessageContent;
OpenAPI_n2_info_container_t n2InfoContainer;
OpenAPI_n2_sm_information_t smInfo;
OpenAPI_n2_info_content_t n2InfoContent;
OpenAPI_ref_to_binary_data_t ngapData;
ogs_assert(sess);
smf_ue = smf_ue_find_by_id(sess->smf_ue_id);
ogs_assert(smf_ue);
ogs_assert(smf_ue->supi);
ogs_assert(param);
ogs_assert(param->state);
ogs_assert(param->n1smbuf || param->n2smbuf);
memset(&message, 0, sizeof(message));
message.h.method = (char *)OGS_SBI_HTTP_METHOD_POST;
message.h.service.name = (char *)OGS_SBI_SERVICE_NAME_NAMF_COMM;
message.h.api.version = (char *)OGS_SBI_API_V1;
message.h.resource.component[0] = (char *)OGS_SBI_RESOURCE_NAME_UE_CONTEXTS;
message.h.resource.component[1] = smf_ue->supi;
message.h.resource.component[2] =
(char *)OGS_SBI_RESOURCE_NAME_N1_N2_MESSAGES;
message.N1N2MessageTransferReqData = &N1N2MessageTransferReqData;
memset(&N1N2MessageTransferReqData, 0, sizeof(N1N2MessageTransferReqData));
N1N2MessageTransferReqData.is_pdu_session_id = true;
N1N2MessageTransferReqData.pdu_session_id = sess->psi;
if (param->n1smbuf) {
N1N2MessageTransferReqData.n1_message_container = &n1MessageContainer;
memset(&n1MessageContainer, 0, sizeof(n1MessageContainer));
n1MessageContainer.n1_message_class = OpenAPI_n1_message_class_SM;
n1MessageContainer.n1_message_content = &n1MessageContent;
memset(&n1MessageContent, 0, sizeof(n1MessageContent));
n1MessageContent.content_id = (char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
message.part[message.num_of_part].pkbuf = param->n1smbuf;
message.part[message.num_of_part].content_id =
(char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
message.part[message.num_of_part].content_type =
(char *)OGS_SBI_CONTENT_5GNAS_TYPE;
message.num_of_part++;
}
if (param->n2smbuf) {
N1N2MessageTransferReqData.n2_info_container = &n2InfoContainer;
memset(&n2InfoContainer, 0, sizeof(n2InfoContainer));
n2InfoContainer.n2_information_class = OpenAPI_n2_information_class_SM;
n2InfoContainer.sm_info = &smInfo;
memset(&smInfo, 0, sizeof(smInfo));
smInfo.pdu_session_id = sess->psi;
smInfo.n2_info_content = &n2InfoContent;
memset(&n2InfoContent, 0, sizeof(n2InfoContent));
switch (param->state) {
case SMF_UE_REQUESTED_PDU_SESSION_ESTABLISHMENT:
case SMF_NETWORK_TRIGGERED_SERVICE_REQUEST:
n2InfoContent.ngap_ie_type = OpenAPI_ngap_ie_type_PDU_RES_SETUP_REQ;
break;
case SMF_NETWORK_REQUESTED_PDU_SESSION_MODIFICATION:
case SMF_NETWORK_REQUESTED_QOS_FLOW_MODIFICATION:
n2InfoContent.ngap_ie_type = OpenAPI_ngap_ie_type_PDU_RES_MOD_REQ;
break;
case SMF_NETWORK_REQUESTED_PDU_SESSION_RELEASE:
case SMF_ERROR_INDICATON_RECEIVED_FROM_5G_AN:
n2InfoContent.ngap_ie_type = OpenAPI_ngap_ie_type_PDU_RES_REL_CMD;
break;
default:
ogs_fatal("Unexpected state [%d]", param->state);
ogs_assert_if_reached();
}
n2InfoContent.ngap_data = &ngapData;
memset(&ngapData, 0, sizeof(ngapData));
ngapData.content_id = (char *)OGS_SBI_CONTENT_NGAP_SM_ID;
message.part[message.num_of_part].pkbuf = param->n2smbuf;
message.part[message.num_of_part].content_id =
(char *)OGS_SBI_CONTENT_NGAP_SM_ID;
message.part[message.num_of_part].content_type =
(char *)OGS_SBI_CONTENT_NGAP_TYPE;
message.num_of_part++;
}
if (param->n1n2_failure_txf_notif_uri == true) {
server = ogs_sbi_server_first();
ogs_assert(server);
memset(&header, 0, sizeof(header));
header.service.name = (char *)OGS_SBI_SERVICE_NAME_NSMF_CALLBACK;
header.api.version = (char *)OGS_SBI_API_V1;
header.resource.component[0] =
(char *)OGS_SBI_RESOURCE_NAME_N1_N2_FAILURE_NOTIFY;
N1N2MessageTransferReqData.n1n2_failure_txf_notif_uri =
ogs_sbi_server_uri(server, &header);
ogs_assert(N1N2MessageTransferReqData.n1n2_failure_txf_notif_uri);
}
if (param->skip_ind == true) {
N1N2MessageTransferReqData.is_skip_ind = true;
N1N2MessageTransferReqData.skip_ind = true;
}
request = ogs_sbi_build_request(&message);
ogs_expect(request);
for (i = 0; i < message.num_of_part; i++)
if (message.part[i].pkbuf)
ogs_pkbuf_free(message.part[i].pkbuf);
if (N1N2MessageTransferReqData.n1n2_failure_txf_notif_uri)
ogs_free(N1N2MessageTransferReqData.n1n2_failure_txf_notif_uri);
return request;
}
ogs_sbi_request_t *smf_namf_callback_build_sm_context_status(
smf_sess_t *sess, void *data)
{
ogs_sbi_message_t message;
ogs_sbi_request_t *request = NULL;
OpenAPI_sm_context_status_notification_t SmContextStatusNotification;
OpenAPI_status_info_t StatusInfo;
ogs_assert(sess);
ogs_assert(sess->sm_context_status_uri);
memset(&StatusInfo, 0, sizeof(StatusInfo));
StatusInfo.resource_status = OpenAPI_resource_status_RELEASED;
memset(&SmContextStatusNotification, 0,
sizeof(SmContextStatusNotification));
SmContextStatusNotification.status_info = &StatusInfo;
memset(&message, 0, sizeof(message));
message.h.method = (char *)OGS_SBI_HTTP_METHOD_POST;
message.h.uri = sess->sm_context_status_uri;
message.SmContextStatusNotification = &SmContextStatusNotification;
request = ogs_sbi_build_request(&message);
ogs_expect(request);
return request;
}
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