forked from acouzens/open5gs
250 lines
8.5 KiB
C
250 lines
8.5 KiB
C
/*
|
|
* 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 "sbi-path.h"
|
|
#include "nnrf-handler.h"
|
|
|
|
void udr_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 udr_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,
|
|
udr_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 udr_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(
|
|
message.h.resource.component[1]);
|
|
ogs_assert(nf_instance);
|
|
|
|
udr_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, udr_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) {
|
|
UDR_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));
|
|
UDR_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) {
|
|
UDR_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;
|
|
}
|