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/*
* 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 "event.h"
#include "context.h"
#if defined(HAVE_KQUEUE)
/*
* kqueue does not support TUN/TAP character device
* So, PGW should use select action in I/O multiplexing
*/
extern const ogs_pollset_actions_t ogs_select_actions;
extern ogs_pollset_actions_t ogs_pollset_actions;
extern bool ogs_pollset_actions_initialized;
static void pollset_action_setup(void)
{
ogs_pollset_actions = ogs_select_actions;
ogs_pollset_actions_initialized = true;
}
#endif
static OGS_POOL(pool, upf_event_t);
void upf_event_init(void)
{
ogs_pool_init(&pool, ogs_app()->pool.event);
#if defined(HAVE_KQUEUE)
ogs_assert(ogs_app()->pollset);
ogs_pollset_destroy(ogs_app()->pollset);
pollset_action_setup();
ogs_app()->pollset = ogs_pollset_create(ogs_app()->pool.socket);
ogs_assert(ogs_app()->pollset);
#endif
}
void upf_event_term(void)
{
ogs_queue_term(ogs_app()->queue);
ogs_pollset_notify(ogs_app()->pollset);
}
void upf_event_final(void)
{
ogs_pool_final(&pool);
}
upf_event_t *upf_event_new(upf_event_e id)
{
upf_event_t *e = NULL;
ogs_pool_alloc(&pool, &e);
ogs_assert(e);
memset(e, 0, sizeof(*e));
e->id = id;
return e;
}
void upf_event_free(upf_event_t *e)
{
ogs_assert(e);
ogs_pool_free(&pool, e);
}
const char *upf_event_get_name(upf_event_t *e)
{
if (e == NULL)
return OGS_FSM_NAME_INIT_SIG;
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
return OGS_FSM_NAME_ENTRY_SIG;
case OGS_FSM_EXIT_SIG:
return OGS_FSM_NAME_EXIT_SIG;
case UPF_EVT_N4_MESSAGE:
return "UPF_EVT_N4_MESSAGE";
case UPF_EVT_N4_TIMER:
return "UPF_EVT_N4_TIMER";
case UPF_EVT_N4_NO_HEARTBEAT:
return "UPF_EVT_N4_NO_HEARTBEAT";
default:
break;
}
return "UNKNOWN_EVENT";
}
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