136 lines
4.1 KiB
C
136 lines
4.1 KiB
C
/*
|
|
* Copyright (C) 2019 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 "context.h"
|
|
#include "n4-build.h"
|
|
|
|
ogs_pkbuf_t *upf_n4_build_session_establishment_response(uint8_t type,
|
|
upf_sess_t *sess, ogs_pfcp_pdr_t *created_pdr[], int num_of_created_pdr)
|
|
{
|
|
ogs_pfcp_message_t pfcp_message;
|
|
ogs_pfcp_session_establishment_response_t *rsp = NULL;
|
|
ogs_pkbuf_t *pkbuf = NULL;
|
|
|
|
int i = 0, j = 0;
|
|
|
|
ogs_pfcp_node_id_t node_id;
|
|
ogs_pfcp_f_seid_t f_seid;
|
|
int len = 0;
|
|
|
|
ogs_debug("Session Establishment Response");
|
|
|
|
rsp = &pfcp_message.pfcp_session_establishment_response;
|
|
memset(&pfcp_message, 0, sizeof(ogs_pfcp_message_t));
|
|
|
|
/* Node ID */
|
|
ogs_pfcp_sockaddr_to_node_id(
|
|
ogs_pfcp_self()->pfcp_addr, ogs_pfcp_self()->pfcp_addr6,
|
|
ogs_app()->parameter.prefer_ipv4,
|
|
&node_id, &len);
|
|
rsp->node_id.presence = 1;
|
|
rsp->node_id.data = &node_id;
|
|
rsp->node_id.len = len;
|
|
|
|
/* Cause */
|
|
rsp->cause.presence = 1;
|
|
rsp->cause.u8 = OGS_PFCP_CAUSE_REQUEST_ACCEPTED;
|
|
|
|
/* F-SEID */
|
|
ogs_pfcp_sockaddr_to_f_seid(
|
|
ogs_pfcp_self()->pfcp_addr, ogs_pfcp_self()->pfcp_addr6,
|
|
&f_seid, &len);
|
|
f_seid.seid = htobe64(sess->upf_n4_seid);
|
|
rsp->up_f_seid.presence = 1;
|
|
rsp->up_f_seid.data = &f_seid;
|
|
rsp->up_f_seid.len = len;
|
|
|
|
ogs_pfcp_pdrbuf_init();
|
|
|
|
/* Created PDR */
|
|
for (i = 0, j = 0; i < num_of_created_pdr; i++) {
|
|
bool pdr_presence = ogs_pfcp_build_created_pdr(
|
|
&rsp->created_pdr[j], i, created_pdr[i]);
|
|
if (pdr_presence == true) j++;
|
|
}
|
|
|
|
pfcp_message.h.type = type;
|
|
pkbuf = ogs_pfcp_build_msg(&pfcp_message);
|
|
|
|
ogs_pfcp_pdrbuf_clear();
|
|
|
|
return pkbuf;
|
|
}
|
|
|
|
ogs_pkbuf_t *upf_n4_build_session_modification_response(uint8_t type,
|
|
upf_sess_t *sess, ogs_pfcp_pdr_t *created_pdr[], int num_of_created_pdr)
|
|
{
|
|
ogs_pfcp_message_t pfcp_message;
|
|
ogs_pfcp_session_modification_response_t *rsp = NULL;
|
|
ogs_pkbuf_t *pkbuf = NULL;
|
|
|
|
int i = 0, j = 0;
|
|
|
|
ogs_debug("Session Modification Response");
|
|
|
|
rsp = &pfcp_message.pfcp_session_modification_response;
|
|
memset(&pfcp_message, 0, sizeof(ogs_pfcp_message_t));
|
|
|
|
/* Cause */
|
|
rsp->cause.presence = 1;
|
|
rsp->cause.u8 = OGS_PFCP_CAUSE_REQUEST_ACCEPTED;
|
|
|
|
ogs_pfcp_pdrbuf_init();
|
|
|
|
/* Created PDR */
|
|
for (i = 0, j = 0; i < num_of_created_pdr; i++) {
|
|
bool pdr_presence = ogs_pfcp_build_created_pdr(
|
|
&rsp->created_pdr[j], i, created_pdr[i]);
|
|
if (pdr_presence == true) j++;
|
|
}
|
|
|
|
pfcp_message.h.type = type;
|
|
pkbuf = ogs_pfcp_build_msg(&pfcp_message);
|
|
|
|
ogs_pfcp_pdrbuf_clear();
|
|
|
|
return pkbuf;
|
|
}
|
|
|
|
ogs_pkbuf_t *upf_n4_build_session_deletion_response(uint8_t type,
|
|
upf_sess_t *sess)
|
|
{
|
|
ogs_pfcp_urr_t *urr = NULL;
|
|
ogs_pfcp_user_plane_report_t report;
|
|
size_t num_of_reports = 0;
|
|
ogs_debug("Session Deletion Response");
|
|
|
|
memset(&report, 0, sizeof(report));
|
|
ogs_list_for_each(&sess->pfcp.urr_list, urr) {
|
|
ogs_assert(num_of_reports < OGS_ARRAY_SIZE(report.usage_report));
|
|
upf_sess_urr_acc_fill_usage_report(sess, urr, &report, num_of_reports);
|
|
report.usage_report[num_of_reports].rep_trigger.termination_report = 1;
|
|
num_of_reports++;
|
|
upf_sess_urr_acc_snapshot(sess, urr);
|
|
}
|
|
report.num_of_usage_report = num_of_reports;
|
|
|
|
return ogs_pfcp_build_session_deletion_response(type, OGS_PFCP_CAUSE_REQUEST_ACCEPTED,
|
|
&report);
|
|
}
|