forked from acouzens/open5gs
349 lines
12 KiB
C
349 lines
12 KiB
C
|
/*
|
||
|
* 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"
|
||
|
|
||
|
void scp_nnrf_handle_nf_register(
|
||
|
ogs_sbi_nf_instance_t *nf_instance, ogs_sbi_message_t *recvmsg)
|
||
|
{
|
||
|
OpenAPI_nf_profile_t *NFProfile = NULL;
|
||
|
ogs_sbi_client_t *client = NULL;
|
||
|
|
||
|
ogs_assert(recvmsg);
|
||
|
ogs_assert(nf_instance);
|
||
|
client = nf_instance->client;
|
||
|
ogs_assert(client);
|
||
|
|
||
|
NFProfile = recvmsg->NFProfile;
|
||
|
if (!NFProfile) {
|
||
|
ogs_error("No NFProfile");
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
/* TIME : Update heartbeat from NRF */
|
||
|
if (NFProfile->is_heart_beat_timer == true)
|
||
|
nf_instance->time.heartbeat_interval = NFProfile->heart_beat_timer;
|
||
|
}
|
||
|
|
||
|
void scp_nnrf_handle_nf_status_subscribe(
|
||
|
ogs_sbi_subscription_t *subscription, ogs_sbi_message_t *recvmsg)
|
||
|
{
|
||
|
OpenAPI_subscription_data_t *SubscriptionData = NULL;
|
||
|
ogs_sbi_client_t *client = NULL;
|
||
|
|
||
|
ogs_assert(recvmsg);
|
||
|
ogs_assert(subscription);
|
||
|
client = subscription->client;
|
||
|
ogs_assert(client);
|
||
|
|
||
|
SubscriptionData = recvmsg->SubscriptionData;
|
||
|
if (!SubscriptionData) {
|
||
|
ogs_error("No SubscriptionData");
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
if (!SubscriptionData->subscription_id) {
|
||
|
ogs_error("No SubscriptionId");
|
||
|
return;
|
||
|
}
|
||
|
ogs_sbi_subscription_set_id(
|
||
|
subscription, SubscriptionData->subscription_id);
|
||
|
|
||
|
if (SubscriptionData->validity_time) {
|
||
|
#define VALIDITY_MINIMUM (10LL * OGS_USEC_PER_SEC) /* 10 seconds */
|
||
|
ogs_time_t time, duration;
|
||
|
if (ogs_sbi_time_from_string(
|
||
|
&time, SubscriptionData->validity_time) == true) {
|
||
|
duration = time - ogs_time_now();
|
||
|
if (duration < VALIDITY_MINIMUM) {
|
||
|
duration = VALIDITY_MINIMUM;
|
||
|
ogs_warn("[%s] Forced to %lld seconds", subscription->id,
|
||
|
(long long)ogs_time_sec(VALIDITY_MINIMUM));
|
||
|
}
|
||
|
subscription->t_validity = ogs_timer_add(ogs_app()->timer_mgr,
|
||
|
scp_timer_subscription_validity, subscription);
|
||
|
ogs_assert(subscription->t_validity);
|
||
|
ogs_timer_start(subscription->t_validity, duration);
|
||
|
} else {
|
||
|
ogs_error("Cannot parse validitiyTime [%s]",
|
||
|
SubscriptionData->validity_time);
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
bool scp_nnrf_handle_nf_status_notify(
|
||
|
ogs_sbi_stream_t *stream, ogs_sbi_message_t *recvmsg)
|
||
|
{
|
||
|
int rv;
|
||
|
bool handled;
|
||
|
|
||
|
ogs_sbi_response_t *response = NULL;
|
||
|
OpenAPI_notification_data_t *NotificationData = NULL;
|
||
|
ogs_sbi_nf_instance_t *nf_instance = NULL;
|
||
|
|
||
|
ogs_sbi_message_t message;
|
||
|
ogs_sbi_header_t header;
|
||
|
|
||
|
ogs_assert(stream);
|
||
|
ogs_assert(recvmsg);
|
||
|
|
||
|
NotificationData = recvmsg->NotificationData;
|
||
|
if (!NotificationData) {
|
||
|
ogs_error("No NotificationData");
|
||
|
ogs_assert(true ==
|
||
|
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
|
||
|
recvmsg, "No NotificationData", NULL));
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if (!NotificationData->nf_instance_uri) {
|
||
|
ogs_error("No nfInstanceUri");
|
||
|
ogs_assert(true ==
|
||
|
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
|
||
|
recvmsg, "No nfInstanceUri", NULL));
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
memset(&header, 0, sizeof(header));
|
||
|
header.uri = NotificationData->nf_instance_uri;
|
||
|
|
||
|
rv = ogs_sbi_parse_header(&message, &header);
|
||
|
if (rv != OGS_OK) {
|
||
|
ogs_error("Cannot parse nfInstanceUri [%s]", header.uri);
|
||
|
ogs_assert(true ==
|
||
|
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
|
||
|
recvmsg, "Cannot parse nfInstanceUri", header.uri));
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if (!message.h.resource.component[1]) {
|
||
|
ogs_error("No nfInstanceId [%s]", header.uri);
|
||
|
ogs_assert(true ==
|
||
|
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
|
||
|
recvmsg, "Cannot parse nfInstanceUri", header.uri));
|
||
|
ogs_sbi_header_free(&header);
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if (NF_INSTANCE_IS_SELF(message.h.resource.component[1])) {
|
||
|
ogs_warn("[%s] The notification is not allowed",
|
||
|
message.h.resource.component[1]);
|
||
|
ogs_assert(true ==
|
||
|
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_FORBIDDEN,
|
||
|
recvmsg, "The notification is not allowed",
|
||
|
message.h.resource.component[1]));
|
||
|
ogs_sbi_header_free(&header);
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
if (NotificationData->event ==
|
||
|
OpenAPI_notification_event_type_NF_REGISTERED) {
|
||
|
|
||
|
OpenAPI_nf_profile_t *NFProfile = NULL;
|
||
|
|
||
|
NFProfile = NotificationData->nf_profile;
|
||
|
if (!NFProfile) {
|
||
|
ogs_error("No NFProfile");
|
||
|
ogs_assert(true ==
|
||
|
ogs_sbi_server_send_error(
|
||
|
stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
|
||
|
recvmsg, "No NFProfile", NULL));
|
||
|
ogs_sbi_header_free(&header);
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
nf_instance = ogs_sbi_nf_instance_find(message.h.resource.component[1]);
|
||
|
if (!nf_instance) {
|
||
|
nf_instance = ogs_sbi_nf_instance_add();
|
||
|
ogs_assert(nf_instance);
|
||
|
ogs_sbi_nf_instance_set_id(nf_instance,
|
||
|
message.h.resource.component[1]);
|
||
|
|
||
|
scp_nf_fsm_init(nf_instance);
|
||
|
|
||
|
ogs_info("[%s] (NRF-notify) NF registered", nf_instance->id);
|
||
|
|
||
|
} else {
|
||
|
nf_instance->reference_count++;
|
||
|
|
||
|
OGS_FSM_TRAN(&nf_instance->sm, scp_nf_state_registered);
|
||
|
ogs_fsm_dispatch(&nf_instance->sm, NULL);
|
||
|
|
||
|
ogs_warn("[%s] (NRF-notify) NF has already been added",
|
||
|
message.h.resource.component[1]);
|
||
|
|
||
|
}
|
||
|
|
||
|
handled = ogs_sbi_nnrf_handle_nf_profile(
|
||
|
nf_instance, NFProfile, stream, recvmsg);
|
||
|
if (!handled) {
|
||
|
SCP_NF_INSTANCE_CLEAR("NRF-notify", nf_instance);
|
||
|
ogs_sbi_header_free(&header);
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
ogs_info("[%s] (NRF-notify) NF Profile updated", nf_instance->id);
|
||
|
|
||
|
handled = ogs_sbi_client_associate(nf_instance);
|
||
|
if (!handled) {
|
||
|
ogs_error("[%s] Cannot associate NF EndPoint", nf_instance->id);
|
||
|
ogs_assert(true ==
|
||
|
ogs_sbi_server_send_error(stream,
|
||
|
OGS_SBI_HTTP_STATUS_BAD_REQUEST,
|
||
|
recvmsg, "Cannot find NF EndPoint", nf_instance->id));
|
||
|
SCP_NF_INSTANCE_CLEAR("NRF-notify", nf_instance);
|
||
|
ogs_sbi_header_free(&header);
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
} else if (NotificationData->event ==
|
||
|
OpenAPI_notification_event_type_NF_DEREGISTERED) {
|
||
|
nf_instance = ogs_sbi_nf_instance_find(message.h.resource.component[1]);
|
||
|
if (nf_instance) {
|
||
|
SCP_NF_INSTANCE_CLEAR("NRF-notify", nf_instance);
|
||
|
} else {
|
||
|
ogs_warn("[%s] (NRF-notify) Not found",
|
||
|
message.h.resource.component[1]);
|
||
|
ogs_assert(true ==
|
||
|
ogs_sbi_server_send_error(stream,
|
||
|
OGS_SBI_HTTP_STATUS_NOT_FOUND,
|
||
|
recvmsg, "Not found", message.h.resource.component[1]));
|
||
|
ogs_sbi_header_free(&header);
|
||
|
return false;
|
||
|
}
|
||
|
} else {
|
||
|
char *eventstr = OpenAPI_notification_event_type_ToString(
|
||
|
NotificationData->event);
|
||
|
ogs_error("Not supported event [%d:%s]",
|
||
|
NotificationData->event, eventstr ? eventstr : "Unknown");
|
||
|
ogs_assert(true ==
|
||
|
ogs_sbi_server_send_error(stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
|
||
|
recvmsg, "Not supported event",
|
||
|
eventstr ? eventstr : "Unknown"));
|
||
|
ogs_sbi_header_free(&header);
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
response = ogs_sbi_build_response(recvmsg, OGS_SBI_HTTP_STATUS_NO_CONTENT);
|
||
|
ogs_assert(response);
|
||
|
ogs_assert(true == ogs_sbi_server_send_response(stream, response));
|
||
|
|
||
|
ogs_sbi_header_free(&header);
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
void scp_nnrf_handle_nf_discover(
|
||
|
ogs_sbi_xact_t *xact, ogs_sbi_message_t *recvmsg)
|
||
|
{
|
||
|
ogs_sbi_object_t *sbi_object = NULL;
|
||
|
ogs_sbi_nf_instance_t *nf_instance = NULL;
|
||
|
|
||
|
OpenAPI_search_result_t *SearchResult = NULL;
|
||
|
OpenAPI_lnode_t *node = NULL;
|
||
|
bool handled;
|
||
|
|
||
|
ogs_assert(xact);
|
||
|
sbi_object = xact->sbi_object;
|
||
|
ogs_assert(sbi_object);
|
||
|
ogs_assert(recvmsg);
|
||
|
|
||
|
SearchResult = recvmsg->SearchResult;
|
||
|
if (!SearchResult) {
|
||
|
ogs_error("No SearchResult");
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
OpenAPI_list_for_each(SearchResult->nf_instances, node) {
|
||
|
OpenAPI_nf_profile_t *NFProfile = NULL;
|
||
|
|
||
|
if (!node->data) continue;
|
||
|
|
||
|
NFProfile = node->data;
|
||
|
|
||
|
nf_instance = ogs_sbi_nf_instance_find(NFProfile->nf_instance_id);
|
||
|
if (!nf_instance) {
|
||
|
nf_instance = ogs_sbi_nf_instance_add();
|
||
|
ogs_assert(nf_instance);
|
||
|
ogs_sbi_nf_instance_set_id(nf_instance, NFProfile->nf_instance_id);
|
||
|
|
||
|
scp_nf_fsm_init(nf_instance);
|
||
|
|
||
|
ogs_info("[%s] (NF-discover) NF registered", nf_instance->id);
|
||
|
} else {
|
||
|
nf_instance->reference_count++;
|
||
|
|
||
|
OGS_FSM_TRAN(&nf_instance->sm, scp_nf_state_registered);
|
||
|
ogs_fsm_dispatch(&nf_instance->sm, NULL);
|
||
|
|
||
|
ogs_warn("[%s] (NF-discover) NF has already been added",
|
||
|
NFProfile->nf_instance_id);
|
||
|
}
|
||
|
|
||
|
if (NF_INSTANCE_IS_OTHERS(nf_instance->id)) {
|
||
|
scp_conn_t *conn = NULL;
|
||
|
|
||
|
handled = ogs_sbi_nnrf_handle_nf_profile(
|
||
|
nf_instance, NFProfile, NULL, NULL);
|
||
|
if (!handled) {
|
||
|
ogs_error("ogs_sbi_nnrf_handle_nf_profile() failed [%s]",
|
||
|
nf_instance->id);
|
||
|
SCP_NF_INSTANCE_CLEAR("NRF-discover", nf_instance);
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
handled = ogs_sbi_client_associate(nf_instance);
|
||
|
if (!handled) {
|
||
|
ogs_error("[%s] Cannot assciate NF EndPoint", nf_instance->id);
|
||
|
SCP_NF_INSTANCE_CLEAR("NRF-discover", nf_instance);
|
||
|
continue;
|
||
|
}
|
||
|
|
||
|
conn = (scp_conn_t *)sbi_object;
|
||
|
ogs_assert(conn);
|
||
|
scp_conn_select_nf(conn, nf_instance->nf_type);
|
||
|
|
||
|
/* TIME : Update validity from NRF */
|
||
|
if (SearchResult->is_validity_period &&
|
||
|
SearchResult->validity_period) {
|
||
|
nf_instance->time.validity_duration =
|
||
|
SearchResult->validity_period;
|
||
|
|
||
|
ogs_assert(nf_instance->t_validity);
|
||
|
ogs_timer_start(nf_instance->t_validity,
|
||
|
ogs_time_from_sec(nf_instance->time.validity_duration));
|
||
|
|
||
|
} else
|
||
|
ogs_warn("[%s] NF Instance validity-time should not 0",
|
||
|
nf_instance->id);
|
||
|
|
||
|
ogs_info("[%s] (NF-discover) NF Profile updated", nf_instance->id);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
ogs_assert(xact->target_nf_type);
|
||
|
nf_instance = OGS_SBI_NF_INSTANCE(sbi_object, xact->target_nf_type);
|
||
|
if (!nf_instance) {
|
||
|
ogs_error("(NF discover) No [%s]",
|
||
|
OpenAPI_nf_type_ToString(xact->target_nf_type));
|
||
|
} else {
|
||
|
scp_sbi_send(nf_instance, xact);
|
||
|
}
|
||
|
}
|