//
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// Copyright 2021 Staysail Systems, Inc. <info@staysail.tech>
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// Copyright 2018 Capitar IT Group BV <info@capitar.com>
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//
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// This software is supplied under the terms of the MIT License, a
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// copy of which should be located in the distribution where this
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// file was obtained (LICENSE.txt). A copy of the license may also be
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// found online at https://opensource.org/licenses/MIT.
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//
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#include "core/nng_impl.h"
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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static nni_mtx nni_init_mtx;
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static nni_list nni_init_list;
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static bool nni_inited = false;
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extern int nni_tls_sys_init(void);
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extern void nni_tls_sys_fini(void);
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static int
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nni_init_helper(void)
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{
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int rv;
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nni_mtx_init(&nni_init_mtx);
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NNI_LIST_INIT(&nni_init_list, nni_initializer, i_node);
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nni_inited = true;
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#ifdef NNG_TEST_LIB
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static bool cleanup = false;
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if (!cleanup) {
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atexit(nng_fini);
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cleanup = true;
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}
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#endif
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if (((rv = nni_stat_sys_init()) != 0) ||
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((rv = nni_taskq_sys_init()) != 0) ||
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((rv = nni_reap_sys_init()) != 0) ||
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((rv = nni_timer_sys_init()) != 0) ||
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((rv = nni_aio_sys_init()) != 0) ||
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((rv = nni_sock_sys_init()) != 0) ||
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((rv = nni_listener_sys_init()) != 0) ||
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((rv = nni_dialer_sys_init()) != 0) ||
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((rv = nni_pipe_sys_init()) != 0) ||
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((rv = nni_tls_sys_init()) != 0) ||
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((rv = nni_sp_tran_sys_init()) != 0)) {
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nni_fini();
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}
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return (rv);
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}
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int
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nni_init(void)
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{
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return (nni_plat_init(nni_init_helper));
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}
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void
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nni_fini(void)
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{
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if (!nni_inited) {
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return;
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}
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if (!nni_list_empty(&nni_init_list)) {
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nni_initializer *init;
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nni_mtx_lock(&nni_init_mtx);
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while ((init = nni_list_first(&nni_init_list)) != NULL) {
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if (init->i_fini != NULL) {
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init->i_fini();
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}
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init->i_once = 0;
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nni_list_remove(&nni_init_list, init);
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}
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nni_mtx_unlock(&nni_init_mtx);
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}
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nni_sp_tran_sys_fini();
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nni_tls_sys_fini();
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nni_pipe_sys_fini();
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nni_dialer_sys_fini();
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nni_listener_sys_fini();
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nni_sock_sys_fini();
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nni_reap_drain();
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nni_aio_sys_fini();
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nni_timer_sys_fini();
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nni_taskq_sys_fini();
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nni_reap_sys_fini(); // must be before timer and aio (expire)
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nni_stat_sys_fini();
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nni_mtx_fini(&nni_init_mtx);
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nni_plat_fini();
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nni_inited = false;
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}
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int
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nni_initialize(nni_initializer *init)
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{
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int rv;
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if (init->i_once) {
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return (0);
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}
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nni_mtx_lock(&nni_init_mtx);
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if (init->i_once) {
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nni_mtx_unlock(&nni_init_mtx);
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return (0);
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}
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if ((rv = init->i_init()) == 0) {
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init->i_once = 1;
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nni_list_append(&nni_init_list, init);
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}
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nni_mtx_unlock(&nni_init_mtx);
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return (rv);
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}
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