116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
/*
|
|
* Copyright (C) 2019 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 "sgw-context.h"
|
|
#include "sgw-sm.h"
|
|
#include "sgw-event.h"
|
|
|
|
static ogs_thread_t *thread;
|
|
static void sgw_main(void *data);
|
|
|
|
static int initialized = 0;
|
|
|
|
int sgw_initialize()
|
|
{
|
|
int rv;
|
|
|
|
sgw_context_init();
|
|
sgw_event_init();
|
|
|
|
rv = ogs_gtp_xact_init(sgw_self()->timer_mgr, 512);
|
|
if (rv != OGS_OK) return rv;
|
|
|
|
rv = sgw_context_parse_config();
|
|
if (rv != OGS_OK) return rv;
|
|
|
|
rv = ogs_log_config_domain(
|
|
ogs_config()->logger.domain, ogs_config()->logger.level);
|
|
if (rv != OGS_OK) return rv;
|
|
|
|
thread = ogs_thread_create(sgw_main, NULL);
|
|
if (!thread) return OGS_ERROR;
|
|
|
|
initialized = 1;
|
|
|
|
return OGS_OK;
|
|
}
|
|
|
|
void sgw_terminate(void)
|
|
{
|
|
if (!initialized) return;
|
|
|
|
sgw_event_term();
|
|
|
|
ogs_thread_destroy(thread);
|
|
|
|
sgw_context_final();
|
|
|
|
ogs_gtp_xact_final();
|
|
|
|
sgw_event_final();
|
|
}
|
|
|
|
static void sgw_main(void *data)
|
|
{
|
|
ogs_fsm_t sgw_sm;
|
|
int rv;
|
|
|
|
ogs_fsm_create(&sgw_sm, sgw_state_initial, sgw_state_final);
|
|
ogs_fsm_init(&sgw_sm, 0);
|
|
|
|
for ( ;; ) {
|
|
ogs_pollset_poll(sgw_self()->pollset,
|
|
ogs_timer_mgr_next(sgw_self()->timer_mgr));
|
|
|
|
/*
|
|
* After ogs_pollset_poll(), ogs_timer_mgr_expire() must be called.
|
|
*
|
|
* The reason is why ogs_timer_mgr_next() can get the corrent value
|
|
* when ogs_timer_stop() is called internally in ogs_timer_mgr_expire().
|
|
*
|
|
* You should not use event-queue before ogs_timer_mgr_expire().
|
|
* In this case, ogs_timer_mgr_expire() does not work
|
|
* because 'if rv == OGS_DONE' statement is exiting and
|
|
* not calling ogs_timer_mgr_expire().
|
|
*/
|
|
ogs_timer_mgr_expire(sgw_self()->timer_mgr);
|
|
|
|
for ( ;; ) {
|
|
sgw_event_t *e = NULL;
|
|
|
|
rv = ogs_queue_trypop(sgw_self()->queue, (void**)&e);
|
|
ogs_assert(rv != OGS_ERROR);
|
|
|
|
if (rv == OGS_DONE)
|
|
goto done;
|
|
|
|
if (rv == OGS_RETRY)
|
|
break;
|
|
|
|
ogs_assert(e);
|
|
ogs_fsm_dispatch(&sgw_sm, e);
|
|
sgw_event_free(e);
|
|
}
|
|
}
|
|
done:
|
|
|
|
ogs_fsm_fini(&sgw_sm, 0);
|
|
ogs_fsm_delete(&sgw_sm);
|
|
}
|