forked from acouzens/open5gs
109 lines
3.4 KiB
C
109 lines
3.4 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 "s1ap-path.h"
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#include "nas-path.h"
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#include "mme-gtp-path.h"
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#include "mme-path.h"
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void mme_send_delete_session_or_detach(mme_ue_t *mme_ue)
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{
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ogs_assert(mme_ue);
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if (SESSION_CONTEXT_IS_AVAILABLE(mme_ue)) {
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mme_gtp_send_delete_all_sessions(mme_ue);
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} else {
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nas_eps_send_detach_accept(mme_ue);
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}
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}
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void mme_send_delete_session_or_mme_ue_context_release(mme_ue_t *mme_ue)
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{
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ogs_assert(mme_ue);
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if (SESSION_CONTEXT_IS_AVAILABLE(mme_ue)) {
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mme_gtp_send_delete_all_sessions(mme_ue);
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} else {
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enb_ue_t *enb_ue = mme_ue->enb_ue;
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if (enb_ue) {
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s1ap_send_ue_context_release_command(enb_ue,
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S1AP_Cause_PR_nas, S1AP_CauseNas_normal_release,
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S1AP_UE_CTX_REL_UE_CONTEXT_REMOVE, 0);
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} else {
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ogs_warn("[%s] No S1 Context", mme_ue->imsi_bcd);
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}
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}
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}
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#if 0
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void mme_send_release_access_bearer_or_ue_context_release(enb_ue_t *enb_ue)
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{
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mme_ue_t *mme_ue = NULL;
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ogs_assert(enb_ue);
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mme_ue = enb_ue->mme_ue;
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if (mme_ue && BEARER_CONTEXT_IS_ACTIVE(mme_ue)) {
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ogs_debug("[%s] Release access bearer request", mme_ue->imsi_bcd);
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mme_gtp_send_release_access_bearers_request(mme_ue);
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} else {
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ogs_debug("[%s] No UE Context", mme_ue->imsi_bcd);
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s1ap_send_ue_context_release_command(enb_ue,
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S1AP_Cause_PR_nas, S1AP_CauseNas_normal_release,
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S1AP_UE_CTX_REL_S1_CONTEXT_REMOVE, 0);
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}
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}
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#else
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void mme_send_delete_session_or_enb_ue_context_release(enb_ue_t *enb_ue)
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{
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mme_ue_t *mme_ue = NULL;
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ogs_assert(enb_ue);
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mme_ue = enb_ue->mme_ue;
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if (mme_ue && SESSION_CONTEXT_IS_AVAILABLE(mme_ue)) {
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mme_gtp_send_delete_all_sessions(mme_ue);
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} else {
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s1ap_send_ue_context_release_command(enb_ue,
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S1AP_Cause_PR_nas, S1AP_CauseNas_normal_release,
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S1AP_UE_CTX_REL_S1_CONTEXT_REMOVE, 0);
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}
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}
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void mme_send_release_access_bearer_or_ue_context_release(enb_ue_t *enb_ue)
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{
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mme_ue_t *mme_ue = NULL;
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ogs_assert(enb_ue);
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mme_ue = enb_ue->mme_ue;
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if (mme_ue) {
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if (BEARER_CONTEXT_IS_ACTIVE(mme_ue)) {
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ogs_debug("[%s] EMM-Registered", mme_ue->imsi_bcd);
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mme_gtp_send_release_access_bearers_request(mme_ue);
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} else {
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ogs_warn("[%s] No EMM-Registered", mme_ue->imsi_bcd);
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mme_send_delete_session_or_mme_ue_context_release(mme_ue);
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}
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} else {
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ogs_debug("No UE Context");
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s1ap_send_ue_context_release_command(enb_ue,
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S1AP_Cause_PR_nas, S1AP_CauseNas_normal_release,
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S1AP_UE_CTX_REL_S1_CONTEXT_REMOVE, 0);
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}
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}
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#endif
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