forked from acouzens/open5gs
219 lines
5.5 KiB
C
219 lines
5.5 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 "mme-timer.h"
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#include "mme-event.h"
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#include "mme-context.h"
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static mme_timer_cfg_t g_mme_timer_cfg[MAX_NUM_OF_MME_TIMER] = {
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/* Paging procedure for EPS services initiated */
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[MME_TIMER_T3413] =
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{ .max_count = 2, .duration = ogs_time_from_sec(2) },
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/* DETACH REQUEST sent */
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[MME_TIMER_T3422] =
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{ .max_count = 4, .duration = ogs_time_from_sec(3) },
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/* ATTACH ACCEPT sent
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* TRACKING AREA UPDATE ACCEPT sent with GUTI
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* TRACKING AREA UPDATE ACCEPT sent with TMSI
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* GUTI REALLOCATION COMMAND sent */
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[MME_TIMER_T3450] =
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{ .max_count = 4, .duration = ogs_time_from_sec(6) },
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/* AUTHENTICATION REQUEST sent
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* SECURITY MODE COMMAND sent */
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[MME_TIMER_T3460] =
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{ .max_count = 4, .duration = ogs_time_from_sec(3) },
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/* IDENTITY REQUEST sent */
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[MME_TIMER_T3470] =
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{ .max_count = 4, .duration = ogs_time_from_sec(3) },
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/* ESM INFORMATION REQUEST sent */
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[MME_TIMER_T3489] =
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{ .max_count = 2, .duration = ogs_time_from_sec(4) },
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[MME_TIMER_SGS_CLI_CONN_TO_SRV] =
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{ .duration = ogs_time_from_sec(3) },
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[MME_TIMER_S1_HOLDING] =
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{ .duration = ogs_time_from_sec(30) },
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};
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static void emm_timer_event_send(
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mme_timer_e timer_id, mme_ue_t *mme_ue);
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static void esm_timer_event_send(
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mme_timer_e timer_id, mme_bearer_t *bearer);
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mme_timer_cfg_t *mme_timer_cfg(mme_timer_e id)
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{
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ogs_assert(id < MAX_NUM_OF_MME_TIMER);
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return &g_mme_timer_cfg[id];
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}
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const char *mme_timer_get_name(mme_timer_e id)
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{
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switch (id) {
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case MME_TIMER_S1_DELAYED_SEND:
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return "MME_TIMER_S1_DELAYED_SEND";
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case MME_TIMER_T3413:
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return "MME_TIMER_T3413";
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case MME_TIMER_T3422:
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return "MME_TIMER_T3422";
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case MME_TIMER_T3450:
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return "MME_TIMER_T3450";
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case MME_TIMER_T3460:
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return "MME_TIMER_T3460";
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case MME_TIMER_T3470:
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return "MME_TIMER_T3470";
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case MME_TIMER_T3489:
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return "MME_TIMER_T3489";
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case MME_TIMER_SGS_CLI_CONN_TO_SRV:
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return "MME_TIMER_SGS_CLI_CONN_TO_SRV";
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case MME_TIMER_S1_HOLDING:
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return "MME_TIMER_S1_HOLDING";
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default:
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break;
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}
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return "UNKNOWN_TIMER";
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}
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void mme_timer_s1_delayed_send(void *data)
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{
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int rv;
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mme_event_t *e = data;
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ogs_assert(e);
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e->timer_id = MME_TIMER_S1_DELAYED_SEND;
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rv = ogs_queue_push(ogs_app()->queue, e);
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if (rv != OGS_OK) {
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ogs_warn("ogs_queue_push() failed:%d", (int)rv);
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ogs_timer_delete(e->timer);
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mme_event_free(e);
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}
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}
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static void emm_timer_event_send(
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mme_timer_e timer_id, mme_ue_t *mme_ue)
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{
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int rv;
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mme_event_t *e = NULL;
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ogs_assert(mme_ue);
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e = mme_event_new(MME_EVT_EMM_TIMER);
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e->timer_id = timer_id;
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e->mme_ue = mme_ue;
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rv = ogs_queue_push(ogs_app()->queue, e);
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if (rv != OGS_OK) {
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ogs_warn("ogs_queue_push() failed:%d", (int)rv);
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mme_event_free(e);
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}
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}
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void mme_timer_t3413_expire(void *data)
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{
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emm_timer_event_send(MME_TIMER_T3413, data);
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}
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void mme_timer_t3422_expire(void *data)
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{
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emm_timer_event_send(MME_TIMER_T3422, data);
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}
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void mme_timer_t3450_expire(void *data)
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{
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emm_timer_event_send(MME_TIMER_T3450, data);
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}
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void mme_timer_t3460_expire(void *data)
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{
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emm_timer_event_send(MME_TIMER_T3460, data);
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}
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void mme_timer_t3470_expire(void *data)
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{
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emm_timer_event_send(MME_TIMER_T3470, data);
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}
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static void esm_timer_event_send(
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mme_timer_e timer_id, mme_bearer_t *bearer)
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{
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int rv;
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mme_event_t *e = NULL;
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mme_ue_t *mme_ue = NULL;
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ogs_assert(bearer);
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mme_ue = bearer->mme_ue;
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ogs_assert(bearer);
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e = mme_event_new(MME_EVT_ESM_TIMER);
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e->timer_id = timer_id;
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e->mme_ue = mme_ue;
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e->bearer = bearer;
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rv = ogs_queue_push(ogs_app()->queue, e);
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if (rv != OGS_OK) {
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ogs_warn("ogs_queue_push() failed:%d", (int)rv);
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mme_event_free(e);
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}
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}
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void mme_timer_t3489_expire(void *data)
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{
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esm_timer_event_send(MME_TIMER_T3489, data);
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}
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void mme_timer_sgs_cli_conn_to_srv(void *data)
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{
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int rv;
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mme_event_t *e = NULL;
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ogs_assert(data);
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e = mme_event_new(MME_EVT_SGSAP_TIMER);
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e->timer_id = MME_TIMER_SGS_CLI_CONN_TO_SRV;
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e->vlr = data;
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rv = ogs_queue_push(ogs_app()->queue, e);
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if (rv != OGS_OK) {
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ogs_warn("ogs_queue_push() failed:%d", (int)rv);
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mme_event_free(e);
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}
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}
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void mme_timer_s1_holding_timer_expire(void *data)
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{
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int rv;
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mme_event_t *e = NULL;
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enb_ue_t *enb_ue = NULL;
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ogs_assert(data);
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enb_ue = data;
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e = mme_event_new(MME_EVT_S1AP_TIMER);
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e->timer_id = MME_TIMER_S1_HOLDING;
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e->enb_ue = enb_ue;
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rv = ogs_queue_push(ogs_app()->queue, e);
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if (rv != OGS_OK) {
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ogs_warn("ogs_queue_push() failed:%d", (int)rv);
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mme_event_free(e);
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}
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}
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