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/*
* Copyright (C) 2019-2022 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 "sbi-path.h"
#include "nnrf-handler.h"
#include "nudm-handler.h"
#include "nudr-handler.h"
void udm_sess_state_initial(ogs_fsm_t *s, udm_event_t *e)
{
ogs_assert(s);
OGS_FSM_TRAN(s, &udm_sess_state_operational);
}
void udm_sess_state_final(ogs_fsm_t *s, udm_event_t *e)
{
}
void udm_sess_state_operational(ogs_fsm_t *s, udm_event_t *e)
{
udm_ue_t *udm_ue = NULL;
udm_sess_t *sess = NULL;
ogs_sbi_stream_t *stream = NULL;
ogs_pool_id_t stream_id = OGS_INVALID_POOL_ID;
ogs_sbi_message_t *message = NULL;
ogs_assert(s);
ogs_assert(e);
udm_sm_debug(e);
sess = udm_sess_find_by_id(e->sess_id);
ogs_assert(sess);
udm_ue = udm_ue_find_by_id(sess->udm_ue_id);
ogs_assert(udm_ue);
switch (e->h.id) {
case OGS_FSM_ENTRY_SIG:
break;
case OGS_FSM_EXIT_SIG:
break;
case OGS_EVENT_SBI_SERVER:
message = e->h.sbi.message;
ogs_assert(message);
stream_id = OGS_POINTER_TO_UINT(e->h.sbi.data);
ogs_assert(stream_id >= OGS_MIN_POOL_ID &&
stream_id <= OGS_MAX_POOL_ID);
stream = ogs_sbi_stream_find_by_id(stream_id);
if (!stream) {
ogs_error("STREAM has already been removed [%d]", stream_id);
break;
}
SWITCH(message->h.service.name)
CASE(OGS_SBI_SERVICE_NAME_NUDM_UECM)
SWITCH(message->h.resource.component[1])
CASE(OGS_SBI_RESOURCE_NAME_REGISTRATIONS)
SWITCH(message->h.method)
CASE(OGS_SBI_HTTP_METHOD_PUT)
udm_nudm_uecm_handle_smf_registration(
sess, stream, message);
break;
CASE(OGS_SBI_HTTP_METHOD_DELETE)
udm_nudm_uecm_handle_smf_deregistration(
sess, stream, message);
break;
DEFAULT
ogs_error("[%s:%d] Invalid HTTP method [%s]",
udm_ue->suci, sess->psi, message->h.method);
ogs_assert(true ==
ogs_sbi_server_send_error(stream,
OGS_SBI_HTTP_STATUS_FORBIDDEN, message,
"Invalid HTTP method", message->h.method,
NULL));
END
break;
DEFAULT
ogs_error("[%s:%d] Invalid resource name [%s]",
udm_ue->suci, sess->psi,
message->h.resource.component[1]);
ogs_assert(true ==
ogs_sbi_server_send_error(stream,
OGS_SBI_HTTP_STATUS_BAD_REQUEST, message,
"Invalid HTTP method", message->h.method, NULL));
END
break;
DEFAULT
ogs_error("Invalid API name [%s]", message->h.service.name);
ogs_assert(true ==
ogs_sbi_server_send_error(stream,
OGS_SBI_HTTP_STATUS_BAD_REQUEST, message,
"Invalid API name", message->h.service.name, NULL));
END
break;
case OGS_EVENT_SBI_CLIENT:
message = e->h.sbi.message;
ogs_assert(message);
stream_id = OGS_POINTER_TO_UINT(e->h.sbi.data);
ogs_assert(stream_id >= OGS_MIN_POOL_ID &&
stream_id <= OGS_MAX_POOL_ID);
stream = ogs_sbi_stream_find_by_id(stream_id);
if (!stream) {
ogs_error("STREAM has already been removed [%d]", stream_id);
break;
}
SWITCH(message->h.service.name)
CASE(OGS_SBI_SERVICE_NAME_NUDR_DR)
SWITCH(message->h.resource.component[0])
CASE(OGS_SBI_RESOURCE_NAME_SUBSCRIPTION_DATA)
SWITCH(message->h.resource.component[2])
CASE(OGS_SBI_RESOURCE_NAME_CONTEXT_DATA)
udm_nudr_dr_handle_smf_registration(
sess, stream, message);
break;
DEFAULT
ogs_error("Invalid resource name [%s]",
message->h.resource.component[2]);
ogs_assert_if_reached();
END
break;
DEFAULT
ogs_error("Invalid resource name [%s]",
message->h.resource.component[0]);
ogs_assert_if_reached();
END
break;
DEFAULT
ogs_error("[%s:%d] Invalid API name [%s]",
udm_ue->supi, sess->psi, message->h.service.name);
ogs_assert_if_reached();
END
break;
default:
ogs_error("[%s:%d] Unknown event %s",
udm_ue->supi, sess->psi, udm_event_get_name(e));
break;
}
}
void udm_sess_state_exception(ogs_fsm_t *s, udm_event_t *e)
{
udm_ue_t *udm_ue = NULL;
udm_sess_t *sess = NULL;
ogs_assert(s);
ogs_assert(e);
udm_sm_debug(e);
sess = udm_sess_find_by_id(e->sess_id);
ogs_assert(sess);
udm_ue = udm_ue_find_by_id(sess->udm_ue_id);
ogs_assert(udm_ue);
switch (e->h.id) {
case OGS_FSM_ENTRY_SIG:
break;
case OGS_FSM_EXIT_SIG:
break;
default:
ogs_error("[%s:%d] Unknown event %s",
udm_ue->supi, sess->psi, udm_event_get_name(e));
break;
}
}
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