forked from acouzens/open5gs
730 lines
25 KiB
C
730 lines
25 KiB
C
/*
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* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "context.h"
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#include "gtp-path.h"
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#include "fd-path.h"
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#include "pfcp-path.h"
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#include "sbi-path.h"
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#include "s5c-handler.h"
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#include "gx-handler.h"
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#include "nnrf-handler.h"
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#include "namf-handler.h"
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#include "npcf-handler.h"
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void smf_state_initial(ogs_fsm_t *s, smf_event_t *e)
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{
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smf_sm_debug(e);
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ogs_assert(s);
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OGS_FSM_TRAN(s, &smf_state_operational);
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}
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void smf_state_final(ogs_fsm_t *s, smf_event_t *e)
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{
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smf_sm_debug(e);
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ogs_assert(s);
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}
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void smf_state_operational(ogs_fsm_t *s, smf_event_t *e)
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{
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int rv;
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const char *api_version = NULL;
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ogs_pkbuf_t *recvbuf = NULL;
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smf_sess_t *sess = NULL;
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smf_ue_t *smf_ue = NULL;
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ogs_gtp_node_t *gnode = NULL;
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ogs_gtp_xact_t *gtp_xact = NULL;
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ogs_gtp_message_t gtp_message;
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ogs_diam_gx_message_t *gx_message = NULL;
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ogs_pfcp_node_t *pfcp_node = NULL;
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ogs_pfcp_xact_t *pfcp_xact = NULL;
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ogs_pfcp_message_t pfcp_message;
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ogs_sbi_stream_t *stream = NULL;
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ogs_sbi_request_t *sbi_request = NULL;
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ogs_sbi_nf_instance_t *nf_instance = NULL;
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ogs_sbi_subscription_t *subscription = NULL;
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ogs_sbi_response_t *sbi_response = NULL;
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ogs_sbi_message_t sbi_message;
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ogs_sbi_xact_t *sbi_xact = NULL;
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ogs_nas_5gs_message_t nas_message;
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ogs_pkbuf_t *pkbuf = NULL;
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smf_sm_debug(e);
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ogs_assert(s);
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switch (e->id) {
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case OGS_FSM_ENTRY_SIG:
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break;
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case OGS_FSM_EXIT_SIG:
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break;
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case SMF_EVT_S5C_MESSAGE:
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ogs_assert(e);
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recvbuf = e->pkbuf;
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ogs_assert(recvbuf);
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if (ogs_gtp_parse_msg(>p_message, recvbuf) != OGS_OK) {
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ogs_error("ogs_gtp_parse_msg() failed");
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ogs_pkbuf_free(recvbuf);
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break;
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}
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if (gtp_message.h.teid != 0) {
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sess = smf_sess_find_by_teid(gtp_message.h.teid);
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}
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if (sess) {
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gnode = sess->gnode;
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ogs_assert(gnode);
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} else {
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gnode = e->gnode;
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ogs_assert(gnode);
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}
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rv = ogs_gtp_xact_receive(gnode, >p_message.h, >p_xact);
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if (rv != OGS_OK) {
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ogs_pkbuf_free(recvbuf);
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break;
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}
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switch(gtp_message.h.type) {
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case OGS_GTP_ECHO_REQUEST_TYPE:
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smf_s5c_handle_echo_request(gtp_xact, >p_message.echo_request);
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break;
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case OGS_GTP_ECHO_RESPONSE_TYPE:
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smf_s5c_handle_echo_response(gtp_xact, >p_message.echo_response);
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break;
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case OGS_GTP_CREATE_SESSION_REQUEST_TYPE:
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if (gtp_message.h.teid == 0) {
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ogs_expect(!sess);
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sess = smf_sess_add_by_gtp_message(>p_message);
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if (sess)
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OGS_SETUP_GTP_NODE(sess, gnode);
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}
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smf_s5c_handle_create_session_request(
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sess, gtp_xact, >p_message.create_session_request);
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break;
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case OGS_GTP_DELETE_SESSION_REQUEST_TYPE:
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smf_s5c_handle_delete_session_request(
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sess, gtp_xact, >p_message.delete_session_request);
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break;
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case OGS_GTP_MODIFY_BEARER_REQUEST_TYPE:
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smf_s5c_handle_modify_bearer_request(
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sess, gtp_xact, >p_message.modify_bearer_request);
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break;
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case OGS_GTP_CREATE_BEARER_RESPONSE_TYPE:
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smf_s5c_handle_create_bearer_response(
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sess, gtp_xact, >p_message.create_bearer_response);
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break;
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case OGS_GTP_UPDATE_BEARER_RESPONSE_TYPE:
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smf_s5c_handle_update_bearer_response(
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sess, gtp_xact, >p_message.update_bearer_response);
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break;
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case OGS_GTP_DELETE_BEARER_RESPONSE_TYPE:
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smf_s5c_handle_delete_bearer_response(
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sess, gtp_xact, >p_message.delete_bearer_response);
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break;
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case OGS_GTP_BEARER_RESOURCE_COMMAND_TYPE:
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smf_s5c_handle_bearer_resource_command(
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sess, gtp_xact, >p_message.bearer_resource_command);
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break;
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default:
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ogs_warn("Not implmeneted(type:%d)", gtp_message.h.type);
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break;
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}
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ogs_pkbuf_free(recvbuf);
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break;
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case SMF_EVT_GX_MESSAGE:
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ogs_assert(e);
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recvbuf = e->pkbuf;
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ogs_assert(recvbuf);
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gx_message = (ogs_diam_gx_message_t *)recvbuf->data;
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ogs_assert(gx_message);
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sess = e->sess;
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ogs_assert(sess);
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switch(gx_message->cmd_code) {
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case OGS_DIAM_GX_CMD_CODE_CREDIT_CONTROL:
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gtp_xact = e->gtp_xact;
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ogs_assert(gtp_xact);
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switch(gx_message->cc_request_type) {
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case OGS_DIAM_GX_CC_REQUEST_TYPE_INITIAL_REQUEST:
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smf_gx_handle_cca_initial_request(
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sess, gx_message, gtp_xact);
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break;
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case OGS_DIAM_GX_CC_REQUEST_TYPE_TERMINATION_REQUEST:
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smf_gx_handle_cca_termination_request(
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sess, gx_message, gtp_xact);
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break;
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default:
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ogs_error("Not implemented(%d)", gx_message->cc_request_type);
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break;
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}
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break;
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case OGS_DIAM_GX_CMD_RE_AUTH:
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smf_gx_handle_re_auth_request(sess, gx_message);
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break;
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default:
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ogs_error("Invalid type(%d)", gx_message->cmd_code);
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break;
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}
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ogs_session_data_free(&gx_message->session_data);
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ogs_pkbuf_free(recvbuf);
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break;
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case SMF_EVT_N4_MESSAGE:
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ogs_assert(e);
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recvbuf = e->pkbuf;
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ogs_assert(recvbuf);
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pfcp_node = e->pfcp_node;
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ogs_assert(pfcp_node);
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ogs_assert(OGS_FSM_STATE(&pfcp_node->sm));
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if (ogs_pfcp_parse_msg(&pfcp_message, recvbuf) != OGS_OK) {
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ogs_error("ogs_pfcp_parse_msg() failed");
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ogs_pkbuf_free(recvbuf);
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break;
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}
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rv = ogs_pfcp_xact_receive(pfcp_node, &pfcp_message.h, &pfcp_xact);
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if (rv != OGS_OK) {
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ogs_pkbuf_free(recvbuf);
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break;
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}
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e->pfcp_message = &pfcp_message;
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e->pfcp_xact = pfcp_xact;
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ogs_fsm_dispatch(&pfcp_node->sm, e);
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if (OGS_FSM_CHECK(&pfcp_node->sm, smf_pfcp_state_exception)) {
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ogs_error("PFCP state machine exception");
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break;
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}
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ogs_pkbuf_free(recvbuf);
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break;
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case SMF_EVT_N4_TIMER:
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case SMF_EVT_N4_NO_HEARTBEAT:
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ogs_assert(e);
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pfcp_node = e->pfcp_node;
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ogs_assert(pfcp_node);
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ogs_assert(OGS_FSM_STATE(&pfcp_node->sm));
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ogs_fsm_dispatch(&pfcp_node->sm, e);
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break;
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case SMF_EVT_SBI_SERVER:
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sbi_request = e->sbi.request;
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ogs_assert(sbi_request);
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stream = e->sbi.data;
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ogs_assert(stream);
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rv = ogs_sbi_parse_request(&sbi_message, sbi_request);
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if (rv != OGS_OK) {
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/* 'sbi_message' buffer is released in ogs_sbi_parse_request() */
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ogs_error("cannot parse HTTP sbi_message");
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ogs_assert(true ==
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ogs_sbi_server_send_error(
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stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
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NULL, "cannot parse HTTP sbi_message", NULL));
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break;
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}
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SWITCH(sbi_message.h.service.name)
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CASE(OGS_SBI_SERVICE_NAME_NUDM_SDM)
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api_version = OGS_SBI_API_V2;
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break;
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DEFAULT
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api_version = OGS_SBI_API_V1;
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END
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ogs_assert(api_version);
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if (strcmp(sbi_message.h.api.version, api_version) != 0) {
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ogs_error("Not supported version [%s]", sbi_message.h.api.version);
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ogs_assert(true ==
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ogs_sbi_server_send_error(
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stream, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
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&sbi_message, "Not supported version", NULL));
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ogs_sbi_message_free(&sbi_message);
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break;
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}
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SWITCH(sbi_message.h.service.name)
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CASE(OGS_SBI_SERVICE_NAME_NNRF_NFM)
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SWITCH(sbi_message.h.resource.component[0])
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CASE(OGS_SBI_RESOURCE_NAME_NF_STATUS_NOTIFY)
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SWITCH(sbi_message.h.method)
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CASE(OGS_SBI_HTTP_METHOD_POST)
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smf_nnrf_handle_nf_status_notify(stream, &sbi_message);
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break;
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DEFAULT
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ogs_error("Invalid HTTP method [%s]", sbi_message.h.method);
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_FORBIDDEN, &sbi_message,
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"Invalid HTTP method", sbi_message.h.method));
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END
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break;
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DEFAULT
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ogs_error("Invalid resource name [%s]",
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sbi_message.h.resource.component[0]);
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
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"Invalid resource name",
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sbi_message.h.resource.component[0]));
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END
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break;
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CASE(OGS_SBI_SERVICE_NAME_NSMF_PDUSESSION)
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SWITCH(sbi_message.h.resource.component[0])
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CASE(OGS_SBI_RESOURCE_NAME_SM_CONTEXTS)
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SWITCH(sbi_message.h.method)
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CASE(OGS_SBI_HTTP_METHOD_POST)
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SWITCH(sbi_message.h.resource.component[2])
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CASE(OGS_SBI_RESOURCE_NAME_MODIFY)
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CASE(OGS_SBI_RESOURCE_NAME_RELEASE)
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if (!sbi_message.h.resource.component[1]) {
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ogs_error("No smContextRef [%s]",
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sbi_message.h.resource.component[1]);
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smf_sbi_send_sm_context_update_error(stream,
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OGS_SBI_HTTP_STATUS_BAD_REQUEST,
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"No smContextRef",
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sbi_message.h.resource.component[1],
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NULL, NULL);
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break;
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}
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sess = smf_sess_find_by_sm_context_ref(
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sbi_message.h.resource.component[1]);
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if (!sess) {
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ogs_warn("Not found [%s]", sbi_message.h.uri);
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smf_sbi_send_sm_context_update_error(stream,
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OGS_SBI_HTTP_STATUS_NOT_FOUND, "Not found",
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sbi_message.h.uri, NULL, NULL);
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}
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break;
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DEFAULT
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sess = smf_sess_add_by_sbi_message(&sbi_message);
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ogs_assert(sess);
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END
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break;
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DEFAULT
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ogs_error("Invalid HTTP method [%s]", sbi_message.h.method);
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
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"Invalid HTTP method", sbi_message.h.method));
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break;
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END
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if (sess) {
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smf_ue = sess->smf_ue;
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ogs_assert(smf_ue);
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ogs_assert(OGS_FSM_STATE(&sess->sm));
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e->sess = sess;
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e->sbi.message = &sbi_message;
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ogs_fsm_dispatch(&sess->sm, e);
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if (OGS_FSM_CHECK(&sess->sm, smf_gsm_state_exception)) {
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ogs_error("[%s] State machine exception", smf_ue->supi);
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SMF_SESS_CLEAR(sess);
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}
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}
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break;
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DEFAULT
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ogs_error("Invalid resource name [%s]",
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sbi_message.h.resource.component[0]);
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
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"Invalid resource name",
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sbi_message.h.resource.component[0]));
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END
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break;
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CASE(OGS_SBI_SERVICE_NAME_NSMF_CALLBACK)
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SWITCH(sbi_message.h.resource.component[0])
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CASE(OGS_SBI_RESOURCE_NAME_N1_N2_FAILURE_NOTIFY)
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smf_namf_comm_handle_n1_n2_message_transfer_failure_notify(
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stream, &sbi_message);
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break;
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CASE(OGS_SBI_RESOURCE_NAME_SM_POLICY_NOTIFY)
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if (!sbi_message.h.resource.component[1]) {
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ogs_error("No smContextRef [%s]",
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sbi_message.h.resource.component[1]);
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
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"No smContextRef",
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sbi_message.h.resource.component[1]));
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break;
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}
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sess = smf_sess_find_by_sm_context_ref(
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sbi_message.h.resource.component[1]);
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if (!sess) {
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ogs_warn("Not found [%s]", sbi_message.h.uri);
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_NOT_FOUND, &sbi_message,
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"Not found",
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sbi_message.h.resource.component[1]));
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break;
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}
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SWITCH(sbi_message.h.resource.component[2])
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CASE(OGS_SBI_RESOURCE_NAME_UPDATE)
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smf_npcf_smpolicycontrol_handle_update_notify(
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sess, stream, &sbi_message);
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break;
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CASE(OGS_SBI_RESOURCE_NAME_TERMINATE)
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smf_npcf_smpolicycontrol_handle_terminate_notify(
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sess, stream, &sbi_message);
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break;
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DEFAULT
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ogs_error("Invalid resource name [%s]",
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sbi_message.h.resource.component[0]);
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
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"Invalid resource name",
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sbi_message.h.resource.component[0]));
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END
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break;
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DEFAULT
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ogs_error("Invalid resource name [%s]",
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sbi_message.h.resource.component[0]);
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
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"Invalid resource name",
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sbi_message.h.resource.component[0]));
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END
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break;
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DEFAULT
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ogs_error("Invalid API name [%s]", sbi_message.h.service.name);
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
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"Invalid API name", sbi_message.h.service.name));
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END
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/* In lib/sbi/server.c, notify_completed() releases 'request' buffer. */
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ogs_sbi_message_free(&sbi_message);
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break;
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case SMF_EVT_SBI_CLIENT:
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ogs_assert(e);
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sbi_response = e->sbi.response;
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ogs_assert(sbi_response);
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rv = ogs_sbi_parse_response(&sbi_message, sbi_response);
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if (rv != OGS_OK) {
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ogs_error("cannot parse HTTP response");
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ogs_sbi_message_free(&sbi_message);
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ogs_sbi_response_free(sbi_response);
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break;
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}
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SWITCH(sbi_message.h.service.name)
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CASE(OGS_SBI_SERVICE_NAME_NUDM_SDM)
|
|
api_version = OGS_SBI_API_V2;
|
|
break;
|
|
DEFAULT
|
|
api_version = OGS_SBI_API_V1;
|
|
END
|
|
|
|
ogs_assert(api_version);
|
|
if (strcmp(sbi_message.h.api.version, api_version) != 0) {
|
|
ogs_error("Not supported version [%s]", sbi_message.h.api.version);
|
|
ogs_sbi_message_free(&sbi_message);
|
|
ogs_sbi_response_free(sbi_response);
|
|
break;
|
|
}
|
|
|
|
SWITCH(sbi_message.h.service.name)
|
|
CASE(OGS_SBI_SERVICE_NAME_NNRF_NFM)
|
|
|
|
SWITCH(sbi_message.h.resource.component[0])
|
|
CASE(OGS_SBI_RESOURCE_NAME_NF_INSTANCES)
|
|
nf_instance = e->sbi.data;
|
|
ogs_assert(nf_instance);
|
|
ogs_assert(OGS_FSM_STATE(&nf_instance->sm));
|
|
|
|
e->sbi.message = &sbi_message;
|
|
ogs_fsm_dispatch(&nf_instance->sm, e);
|
|
break;
|
|
|
|
CASE(OGS_SBI_RESOURCE_NAME_SUBSCRIPTIONS)
|
|
subscription = e->sbi.data;
|
|
ogs_assert(subscription);
|
|
|
|
SWITCH(sbi_message.h.method)
|
|
CASE(OGS_SBI_HTTP_METHOD_POST)
|
|
if (sbi_message.res_status == OGS_SBI_HTTP_STATUS_CREATED ||
|
|
sbi_message.res_status == OGS_SBI_HTTP_STATUS_OK) {
|
|
smf_nnrf_handle_nf_status_subscribe(
|
|
subscription, &sbi_message);
|
|
} else {
|
|
ogs_error("HTTP response error : %d",
|
|
sbi_message.res_status);
|
|
}
|
|
break;
|
|
|
|
CASE(OGS_SBI_HTTP_METHOD_DELETE)
|
|
if (sbi_message.res_status ==
|
|
OGS_SBI_HTTP_STATUS_NO_CONTENT) {
|
|
ogs_sbi_subscription_remove(subscription);
|
|
} else {
|
|
ogs_error("HTTP response error : %d",
|
|
sbi_message.res_status);
|
|
}
|
|
break;
|
|
|
|
DEFAULT
|
|
ogs_error("Invalid HTTP method [%s]", sbi_message.h.method);
|
|
ogs_assert_if_reached();
|
|
END
|
|
break;
|
|
|
|
DEFAULT
|
|
ogs_error("Invalid resource name [%s]",
|
|
sbi_message.h.resource.component[0]);
|
|
ogs_assert_if_reached();
|
|
END
|
|
break;
|
|
|
|
CASE(OGS_SBI_SERVICE_NAME_NNRF_DISC)
|
|
SWITCH(sbi_message.h.resource.component[0])
|
|
CASE(OGS_SBI_RESOURCE_NAME_NF_INSTANCES)
|
|
sbi_xact = e->sbi.data;
|
|
ogs_assert(sbi_xact);
|
|
|
|
SWITCH(sbi_message.h.method)
|
|
CASE(OGS_SBI_HTTP_METHOD_GET)
|
|
if (sbi_message.res_status == OGS_SBI_HTTP_STATUS_OK)
|
|
smf_nnrf_handle_nf_discover(sbi_xact, &sbi_message);
|
|
else
|
|
ogs_error("HTTP response error [%d]",
|
|
sbi_message.res_status);
|
|
break;
|
|
|
|
DEFAULT
|
|
ogs_error("Invalid HTTP method [%s]", sbi_message.h.method);
|
|
ogs_assert_if_reached();
|
|
END
|
|
break;
|
|
|
|
DEFAULT
|
|
ogs_error("Invalid resource name [%s]",
|
|
sbi_message.h.resource.component[0]);
|
|
ogs_assert_if_reached();
|
|
END
|
|
break;
|
|
|
|
CASE(OGS_SBI_SERVICE_NAME_NUDM_SDM)
|
|
CASE(OGS_SBI_SERVICE_NAME_NPCF_SMPOLICYCONTROL)
|
|
CASE(OGS_SBI_SERVICE_NAME_NAMF_COMM)
|
|
sbi_xact = e->sbi.data;
|
|
ogs_assert(sbi_xact);
|
|
|
|
sess = (smf_sess_t *)sbi_xact->sbi_object;
|
|
ogs_assert(sess);
|
|
|
|
e->sbi.data = sbi_xact->assoc_stream;
|
|
e->sbi.state = sbi_xact->state;
|
|
|
|
ogs_sbi_xact_remove(sbi_xact);
|
|
|
|
sess = smf_sess_cycle(sess);
|
|
ogs_assert(sess);
|
|
smf_ue = sess->smf_ue;
|
|
ogs_assert(smf_ue);
|
|
smf_ue = smf_ue_cycle(smf_ue);
|
|
ogs_assert(smf_ue);
|
|
ogs_assert(OGS_FSM_STATE(&sess->sm));
|
|
|
|
e->sess = sess;
|
|
e->sbi.message = &sbi_message;
|
|
|
|
ogs_fsm_dispatch(&sess->sm, e);
|
|
if (OGS_FSM_CHECK(&sess->sm, smf_gsm_state_exception)) {
|
|
ogs_error("[%s] State machine exception", smf_ue->supi);
|
|
SMF_SESS_CLEAR(sess);
|
|
} else if (OGS_FSM_CHECK(
|
|
&sess->sm, smf_gsm_state_session_will_release)) {
|
|
SMF_SESS_CLEAR(sess);
|
|
}
|
|
break;
|
|
|
|
DEFAULT
|
|
ogs_error("Invalid service name [%s]", sbi_message.h.service.name);
|
|
ogs_assert_if_reached();
|
|
END
|
|
|
|
ogs_sbi_message_free(&sbi_message);
|
|
ogs_sbi_response_free(sbi_response);
|
|
break;
|
|
|
|
case SMF_EVT_SBI_TIMER:
|
|
ogs_assert(e);
|
|
|
|
switch(e->timer_id) {
|
|
case SMF_TIMER_NF_INSTANCE_REGISTRATION_INTERVAL:
|
|
case SMF_TIMER_NF_INSTANCE_HEARTBEAT_INTERVAL:
|
|
case SMF_TIMER_NF_INSTANCE_NO_HEARTBEAT:
|
|
case SMF_TIMER_NF_INSTANCE_VALIDITY:
|
|
nf_instance = e->sbi.data;
|
|
ogs_assert(nf_instance);
|
|
ogs_assert(OGS_FSM_STATE(&nf_instance->sm));
|
|
|
|
ogs_fsm_dispatch(&nf_instance->sm, e);
|
|
if (OGS_FSM_CHECK(&nf_instance->sm, smf_nf_state_exception))
|
|
ogs_error("State machine exception [%d]", e->timer_id);
|
|
break;
|
|
|
|
case SMF_TIMER_SUBSCRIPTION_VALIDITY:
|
|
subscription = e->sbi.data;
|
|
ogs_assert(subscription);
|
|
|
|
ogs_assert(true ==
|
|
ogs_nnrf_nfm_send_nf_status_subscribe(subscription->client,
|
|
smf_self()->nf_type, subscription->req_nf_instance_id,
|
|
subscription->subscr_cond.nf_type));
|
|
|
|
ogs_info("Subscription validity expired [%s]", subscription->id);
|
|
ogs_sbi_subscription_remove(subscription);
|
|
break;
|
|
|
|
case SMF_TIMER_SBI_CLIENT_WAIT:
|
|
sbi_xact = e->sbi.data;
|
|
ogs_assert(sbi_xact);
|
|
|
|
stream = sbi_xact->assoc_stream;
|
|
/* Here, we should not use ogs_assert(stream)
|
|
* since 'namf-comm' service has no an associated stream. */
|
|
|
|
ogs_sbi_xact_remove(sbi_xact);
|
|
|
|
ogs_error("Cannot receive SBI message");
|
|
if (stream) {
|
|
ogs_assert(true ==
|
|
ogs_sbi_server_send_error(stream,
|
|
OGS_SBI_HTTP_STATUS_GATEWAY_TIMEOUT, NULL,
|
|
"Cannot receive SBI message", NULL));
|
|
}
|
|
break;
|
|
|
|
case SMF_TIMER_RELEASE_HOLDING:
|
|
sess = e->sbi.data;
|
|
ogs_assert(sess);
|
|
sess = smf_sess_cycle(sess);
|
|
ogs_assert(sess);
|
|
|
|
ogs_assert(true == smf_sbi_send_sm_context_status_notify(sess));
|
|
SMF_SESS_CLEAR(sess);
|
|
break;
|
|
|
|
default:
|
|
ogs_error("Unknown timer[%s:%d]",
|
|
smf_timer_get_name(e->timer_id), e->timer_id);
|
|
}
|
|
break;
|
|
|
|
case SMF_EVT_5GSM_MESSAGE:
|
|
sess = e->sess;
|
|
ogs_assert(sess);
|
|
stream = e->sbi.data;
|
|
ogs_assert(stream);
|
|
pkbuf = e->pkbuf;
|
|
ogs_assert(pkbuf);
|
|
|
|
if (ogs_nas_5gsm_decode(&nas_message, pkbuf) != OGS_OK) {
|
|
ogs_error("ogs_nas_5gsm_decode() failed");
|
|
ogs_pkbuf_free(pkbuf);
|
|
return;
|
|
}
|
|
|
|
ogs_assert(sess);
|
|
ogs_assert(OGS_FSM_STATE(&sess->sm));
|
|
|
|
sess->pti = nas_message.gsm.h.procedure_transaction_identity;
|
|
|
|
e->nas.message = &nas_message;
|
|
ogs_fsm_dispatch(&sess->sm, e);
|
|
if (OGS_FSM_CHECK(&sess->sm, smf_gsm_state_exception)) {
|
|
ogs_error("State machine exception");
|
|
SMF_SESS_CLEAR(sess);
|
|
}
|
|
|
|
ogs_pkbuf_free(pkbuf);
|
|
break;
|
|
|
|
case SMF_EVT_NGAP_MESSAGE:
|
|
sess = e->sess;
|
|
ogs_assert(sess);
|
|
stream = e->sbi.data;
|
|
ogs_assert(stream);
|
|
pkbuf = e->pkbuf;
|
|
ogs_assert(pkbuf);
|
|
ogs_assert(e->ngap.type);
|
|
|
|
ogs_assert(sess);
|
|
ogs_assert(OGS_FSM_STATE(&sess->sm));
|
|
|
|
ogs_fsm_dispatch(&sess->sm, e);
|
|
if (OGS_FSM_CHECK(&sess->sm, smf_gsm_state_exception)) {
|
|
ogs_error("State machine exception");
|
|
SMF_SESS_CLEAR(sess);
|
|
}
|
|
|
|
ogs_pkbuf_free(pkbuf);
|
|
break;
|
|
|
|
default:
|
|
ogs_error("No handler for event %s", smf_event_get_name(e));
|
|
break;
|
|
}
|
|
}
|