mirror of
https://github.com/open5gs/open5gs.git
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131 lines
3.1 KiB
C
131 lines
3.1 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 "core-config-private.h"
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#include "ogs-core.h"
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#include "ogs-poll-private.h"
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extern const ogs_pollset_actions_t ogs_kqueue_actions;
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extern const ogs_pollset_actions_t ogs_epoll_actions;
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extern const ogs_pollset_actions_t ogs_select_actions;
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static void *self_handler_data = NULL;
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ogs_pollset_actions_t ogs_pollset_actions;
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bool ogs_pollset_actions_initialized = false;
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ogs_pollset_t *ogs_pollset_create(unsigned int capacity)
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{
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ogs_pollset_t *pollset = ogs_calloc(1, sizeof *pollset);
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ogs_assert(pollset);
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pollset->capacity = capacity;
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ogs_pool_init(&pollset->pool, capacity);
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if (ogs_pollset_actions_initialized == false) {
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#if defined(HAVE_KQUEUE)
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ogs_pollset_actions = ogs_kqueue_actions;
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#elif defined(HAVE_EPOLL)
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ogs_pollset_actions = ogs_epoll_actions;
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#else
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ogs_pollset_actions = ogs_select_actions;
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#endif
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ogs_pollset_actions_initialized = true;
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}
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ogs_pollset_actions.init(pollset);
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return pollset;
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}
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void ogs_pollset_destroy(ogs_pollset_t *pollset)
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{
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ogs_assert(pollset);
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ogs_pollset_actions.cleanup(pollset);
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ogs_pool_final(&pollset->pool);
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ogs_free(pollset);
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}
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ogs_poll_t *ogs_pollset_add(ogs_pollset_t *pollset, short when,
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ogs_socket_t fd, ogs_poll_handler_f handler, void *data)
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{
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ogs_poll_t *poll = NULL;
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int rc;
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ogs_assert(pollset);
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ogs_assert(fd != INVALID_SOCKET);
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ogs_assert(handler);
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ogs_pool_alloc(&pollset->pool, &poll);
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ogs_assert(poll);
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rc = ogs_nonblocking(fd);
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ogs_assert(rc == OGS_OK);
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rc = ogs_closeonexec(fd);
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ogs_assert(rc == OGS_OK);
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poll->when = when;
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poll->fd = fd;
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poll->handler = handler;
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if (data == &self_handler_data)
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poll->data = poll;
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else
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poll->data = data;
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poll->pollset = pollset;
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rc = ogs_pollset_actions.add(poll);
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if (rc != OGS_OK) {
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ogs_error("cannot add poll");
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ogs_pool_free(&pollset->pool, poll);
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return NULL;
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}
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return poll;
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}
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void ogs_pollset_remove(ogs_poll_t *poll)
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{
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int rc;
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ogs_pollset_t *pollset = NULL;
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ogs_assert(poll);
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pollset = poll->pollset;
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ogs_assert(pollset);
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rc = ogs_pollset_actions.remove(poll);
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if (rc != OGS_OK) {
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ogs_error("cannot delete poll");
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}
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ogs_pool_free(&pollset->pool, poll);
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}
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void *ogs_pollset_self_handler_data(void)
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{
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return &self_handler_data;
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}
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