forked from acouzens/open5gs
130 lines
3.3 KiB
C
130 lines
3.3 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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static ogs_thread_t *thread;
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static void sgwc_main(void *data);
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static int initialized = 0;
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int sgwc_initialize()
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{
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int rv;
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ogs_gtp_context_init(ogs_app()->pool.nf * OGS_MAX_NUM_OF_GTPU_RESOURCE);
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ogs_pfcp_context_init();
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sgwc_context_init();
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sgwc_event_init();
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rv = ogs_gtp_xact_init();
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if (rv != OGS_OK) return rv;
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rv = ogs_pfcp_xact_init();
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if (rv != OGS_OK) return rv;
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rv = ogs_gtp_context_parse_config("sgwc", "sgwu");
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if (rv != OGS_OK) return rv;
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rv = ogs_pfcp_context_parse_config("sgwc", "sgwu");
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if (rv != OGS_OK) return rv;
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rv = sgwc_context_parse_config();
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if (rv != OGS_OK) return rv;
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rv = ogs_log_config_domain(
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ogs_app()->logger.domain, ogs_app()->logger.level);
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if (rv != OGS_OK) return rv;
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thread = ogs_thread_create(sgwc_main, NULL);
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if (!thread) return OGS_ERROR;
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initialized = 1;
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return OGS_OK;
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}
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void sgwc_terminate(void)
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{
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if (!initialized) return;
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sgwc_event_term();
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ogs_thread_destroy(thread);
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sgwc_context_final();
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ogs_pfcp_context_final();
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ogs_gtp_context_final();
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ogs_pfcp_xact_final();
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ogs_gtp_xact_final();
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sgwc_event_final();
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}
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static void sgwc_main(void *data)
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{
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ogs_fsm_t sgwc_sm;
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int rv;
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ogs_fsm_create(&sgwc_sm, sgwc_state_initial, sgwc_state_final);
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ogs_fsm_init(&sgwc_sm, 0);
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for ( ;; ) {
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ogs_pollset_poll(ogs_app()->pollset,
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ogs_timer_mgr_next(ogs_app()->timer_mgr));
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/*
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* After ogs_pollset_poll(), ogs_timer_mgr_expire() must be called.
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*
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* The reason is why ogs_timer_mgr_next() can get the corrent value
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* when ogs_timer_stop() is called internally in ogs_timer_mgr_expire().
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*
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* You should not use event-queue before ogs_timer_mgr_expire().
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* In this case, ogs_timer_mgr_expire() does not work
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* because 'if rv == OGS_DONE' statement is exiting and
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* not calling ogs_timer_mgr_expire().
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*/
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ogs_timer_mgr_expire(ogs_app()->timer_mgr);
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for ( ;; ) {
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sgwc_event_t *e = NULL;
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rv = ogs_queue_trypop(ogs_app()->queue, (void**)&e);
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ogs_assert(rv != OGS_ERROR);
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if (rv == OGS_DONE)
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goto done;
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if (rv == OGS_RETRY)
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break;
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ogs_assert(e);
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ogs_fsm_dispatch(&sgwc_sm, e);
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sgwc_event_free(e);
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}
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}
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done:
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ogs_fsm_fini(&sgwc_sm, 0);
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ogs_fsm_delete(&sgwc_sm);
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}
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