lbbs/src/main.c

/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
 * main
 *   - entry of server program
 *
 * Copyright (C) 2004-2025  Leaflet <leaflet@leafok.com>
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "bbs.h"
#include "bwf.h"
#include "common.h"
#include "file_loader.h"
#include "init.h"
#include "io.h"
#include "log.h"
#include "menu.h"
#include "net_server.h"
#include "section_list_loader.h"
#include "user_list.h"
#include <errno.h>
#include <libgen.h>
#include <locale.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>

static void app_help(void)
{
        fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n"
                                        "-f\t--foreground\t\tForce program run in foreground\n"
                                        "-h\t--help\t\t\tDisplay this help message\n"
                                        "-v\t--version\t\tDisplay version information\n"
                                        "\t--display-log\t\tDisplay standard log information\n"
                                        "\t--display-error-log\tDisplay error log information\n"
                                        "\n    If meet any bug, please report to <leaflet@leafok.com>\n\n");
}

static void arg_error(void)
{
        fprintf(stderr, "Invalid arguments\n");
        app_help();
}

int main(int argc, char *argv[])
{
        char file_path_temp[FILE_PATH_LEN];
        int daemon = 1;
        int std_log_redir = 0;
        int error_log_redir = 0;
        FILE *fp;
        int ret;
        int last_aid;
        struct sigaction act = {0};

        // Parse args
        for (int i = 1; i < argc; i++)
        {
                switch (argv[i][0])
                {
                case '-':
                        if (argv[i][1] != '-')
                        {
                                for (int j = 1; j < strlen(argv[i]); j++)
                                {
                                        switch (argv[i][j])
                                        {
                                        case 'f':
                                                daemon = 0;
                                                break;
                                        case 'h':
                                                app_help();
                                                return 0;
                                        case 'v':
                                                puts(APP_INFO);
                                                return 0;
                                        default:
                                                arg_error();
                                                return 1;
                                        }
                                }
                        }
                        else
                        {
                                if (strcmp(argv[i] + 2, "foreground") == 0)
                                {
                                        daemon = 0;
                                        break;
                                }
                                if (strcmp(argv[i] + 2, "help") == 0)
                                {
                                        app_help();
                                        return 0;
                                }
                                if (strcmp(argv[i] + 2, "version") == 0)
                                {
                                        puts(APP_INFO);
                                        return 0;
                                }
                                if (strcmp(argv[i] + 2, "display-log") == 0)
                                {
                                        std_log_redir = 1;
                                }
                                if (strcmp(argv[i] + 2, "display-error-log") == 0)
                                {
                                        error_log_redir = 1;
                                }
                        }
                        break;
                }
        }

        // Initialize daemon
        if (daemon)
        {
                init_daemon();
        }

        // Change current dir
        strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
        file_path_temp[sizeof(file_path_temp) - 1] = '\0';

        if (chdir(dirname(file_path_temp)) < 0)
        {
                fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
                return -1;
        }
        if (chdir("..") < 0)
        {
                fprintf(stderr, "chdir(..) error: %d\n", errno);
                return -1;
        }

        // Apply the specified locale
        if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
        {
                fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
                return -1;
        }

        // Initialize log
        if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
        {
                return -1;
        }

        if ((!daemon) && std_log_redir)
        {
                log_common_redir(STDERR_FILENO);
        }
        if ((!daemon) && error_log_redir)
        {
                log_error_redir(STDERR_FILENO);
        }

        log_common("Starting %s\n", APP_INFO);

        // Load configuration
        if (load_conf(CONF_BBSD) < 0)
        {
                return -2;
        }

        // Load BWF config
        if (bwf_load(CONF_BWF) < 0)
        {
                return -2;
        }

        // Check article cache dir
        ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
        if (ret == -1 && errno != EEXIST)
        {
                log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
                goto cleanup;
        }

        // Check section aid location dir
        ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
        if (ret == -1 && errno != EEXIST)
        {
                log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno);
                goto cleanup;
        }

        // Initialize data pools
        if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
        {
                log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
                goto cleanup;
        }
        fclose(fp);
        if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
        {
                log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
                goto cleanup;
        }
        fclose(fp);
        if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
        {
                log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
                goto cleanup;
        }
        fclose(fp);
        if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
        {
                log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
                goto cleanup;
        }
        fclose(fp);

        if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
        {
                printf("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
                goto cleanup;
        }
        if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
        {
                log_error("article_block_init(%s, %d) error\n", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block);
                goto cleanup;
        }
        if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
        {
                log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
                goto cleanup;
        }

        // Load BBS cmd
        if (load_cmd() < 0)
        {
                goto cleanup;
        }

        // Load menus
        if (load_menu(&bbs_menu, CONF_MENU) < 0)
        {
                log_error("load_menu(%s) error\n", CONF_MENU);
                goto cleanup;
        }
        if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
        {
                log_error("load_menu(%s) error\n", CONF_TOP10_MENU);
                goto cleanup;
        }
        top10_menu.allow_exit = 1;

        // Load data files
        if (file_loader_init() < 0)
        {
                log_error("file_loader_init() error\n");
                goto cleanup;
        }
        for (int i = 0; i < data_files_load_startup_count; i++)
        {
                if (load_file(data_files_load_startup[i]) < 0)
                {
                        log_error("load_file(%s) error\n", data_files_load_startup[i]);
                }
        }

        // Load user_list and online_user_list
        if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
        {
                log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
                goto cleanup;
        }
        if (user_list_pool_reload(0) < 0)
        {
                log_error("user_list_pool_reload(all_user) error\n");
                goto cleanup;
        }
        if (user_list_pool_reload(1) < 0)
        {
                log_error("user_list_pool_reload(online_user) error\n");
                goto cleanup;
        }

        // Load section config and gen_ex
        if (load_section_config_from_db(1) < 0)
        {
                log_error("load_section_config_from_db(0) error\n");
                goto cleanup;
        }

        set_last_article_op_log_from_db();
        last_aid = 0;

        // Load section articles
        do
        {
                if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
                {
                        log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
                        goto cleanup;
                }

                last_aid = article_block_last_aid();
        } while (ret == LOAD_ARTICLE_COUNT_LIMIT);

        log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());

        if ((ret = user_stat_update()) < 0)
        {
                log_error("user_stat_update() error\n");
                goto cleanup;
        }

        // Set signal handler
        act.sa_handler = sig_hup_handler;
        if (sigaction(SIGHUP, &act, NULL) == -1)
        {
                log_error("set signal action of SIGHUP error: %d\n", errno);
                goto cleanup;
        }
        act.sa_handler = sig_chld_handler;
        if (sigaction(SIGCHLD, &act, NULL) == -1)
        {
                log_error("set signal action of SIGCHLD error: %d\n", errno);
                goto cleanup;
        }
        act.sa_handler = sig_term_handler;
        if (sigaction(SIGTERM, &act, NULL) == -1)
        {
                log_error("set signal action of SIGTERM error: %d\n", errno);
                goto cleanup;
        }

        // Launch section_list_loader process
        if (section_list_loader_launch() < 0)
        {
                log_error("section_list_loader_launch() error\n");
                goto cleanup;
        }

        // Initialize socket server
        net_server(BBS_address, BBS_port);

cleanup:
        // Cleanup loaded data files
        file_loader_cleanup();

        // Cleanup menu
        unload_menu(&bbs_menu);
        unload_menu(&top10_menu);

        // Cleanup data pools
        section_list_cleanup();
        article_block_cleanup();
        trie_dict_cleanup();
        user_list_pool_cleanup();

        // Cleanup BWF
        bwf_unload();

        if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
        {
                log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
        }
        if (unlink(VAR_SECTION_LIST_SHM) < 0)
        {
                log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
        }
        if (unlink(VAR_TRIE_DICT_SHM) < 0)
        {
                log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
        }
        if (unlink(VAR_USER_LIST_SHM) < 0)
        {
                log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
        }

        log_common("Main process exit normally\n");

        log_end();

        return 0;
}
1	sysadm	1.69	/* SPDX-License-Identifier: GPL-3.0-or-later */
2			/*
3			* main
4			* - entry of server program
5			*
6	sysadm	1.70	* Copyright (C) 2004-2025 Leaflet <leaflet@leafok.com>
7	sysadm	1.69	*/
8	sysadm	1.1
9	sysadm	1.74	#ifdef HAVE_CONFIG_H
10			#include "config.h"
11			#endif
12
13	sysadm	1.4	#include "bbs.h"
14	sysadm	1.72	#include "bwf.h"
15	sysadm	1.55	#include "common.h"
16			#include "file_loader.h"
17	sysadm	1.20	#include "init.h"
18	sysadm	1.55	#include "io.h"
19	sysadm	1.20	#include "log.h"
20	sysadm	1.9	#include "menu.h"
21	sysadm	1.55	#include "net_server.h"
22	sysadm	1.42	#include "section_list_loader.h"
23	sysadm	1.63	#include "user_list.h"
24	sysadm	1.48	#include <errno.h>
25	sysadm	1.55	#include <libgen.h>
26	sysadm	1.73	#include <locale.h>
27	sysadm	1.55	#include <signal.h>
28	sysadm	1.56	#include <stdio.h>
29	sysadm	1.20	#include <stdlib.h>
30	sysadm	1.7	#include <string.h>
31	sysadm	1.20	#include <unistd.h>
32	sysadm	1.55	#include <sys/stat.h>
33	sysadm	1.15	#include <sys/types.h>
34	sysadm	1.1
35	sysadm	1.56	static void app_help(void)
36	sysadm	1.6	{
37	sysadm	1.56	fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n"
38			"-f\t--foreground\t\tForce program run in foreground\n"
39			"-h\t--help\t\t\tDisplay this help message\n"
40			"-v\t--version\t\tDisplay version information\n"
41			"\t--display-log\t\tDisplay standard log information\n"
42			"\t--display-error-log\tDisplay error log information\n"
43			"\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
44	sysadm	1.6	}
45
46	sysadm	1.56	static void arg_error(void)
47	sysadm	1.6	{
48	sysadm	1.56	fprintf(stderr, "Invalid arguments\n");
49	sysadm	1.18	app_help();
50	sysadm	1.6	}
51
52	sysadm	1.18	int main(int argc, char *argv[])
53	sysadm	1.1	{
54	sysadm	1.21	char file_path_temp[FILE_PATH_LEN];
55			int daemon = 1;
56			int std_log_redir = 0;
57			int error_log_redir = 0;
58	sysadm	1.42	FILE *fp;
59	sysadm	1.47	int ret;
60			int last_aid;
61	sysadm	1.52	struct sigaction act = {0};
62	sysadm	1.18
63			// Parse args
64	sysadm	1.21	for (int i = 1; i < argc; i++)
65	sysadm	1.12	{
66	sysadm	1.18	switch (argv[i][0])
67	sysadm	1.12	{
68	sysadm	1.18	case '-':
69			if (argv[i][1] != '-')
70			{
71	sysadm	1.21	for (int j = 1; j < strlen(argv[i]); j++)
72	sysadm	1.18	{
73			switch (argv[i][j])
74			{
75			case 'f':
76			daemon = 0;
77			break;
78			case 'h':
79			app_help();
80	sysadm	1.30	return 0;
81	sysadm	1.18	case 'v':
82	sysadm	1.54	puts(APP_INFO);
83	sysadm	1.30	return 0;
84	sysadm	1.18	default:
85			arg_error();
86	sysadm	1.30	return 1;
87	sysadm	1.18	}
88			}
89			}
90			else
91			{
92			if (strcmp(argv[i] + 2, "foreground") == 0)
93			{
94			daemon = 0;
95			break;
96			}
97			if (strcmp(argv[i] + 2, "help") == 0)
98			{
99			app_help();
100	sysadm	1.30	return 0;
101	sysadm	1.18	}
102			if (strcmp(argv[i] + 2, "version") == 0)
103			{
104	sysadm	1.54	puts(APP_INFO);
105	sysadm	1.30	return 0;
106	sysadm	1.18	}
107			if (strcmp(argv[i] + 2, "display-log") == 0)
108			{
109			std_log_redir = 1;
110			}
111			if (strcmp(argv[i] + 2, "display-error-log") == 0)
112			{
113			error_log_redir = 1;
114			}
115			}
116			break;
117	sysadm	1.12	}
118			}
119
120	sysadm	1.18	// Initialize daemon
121			if (daemon)
122	sysadm	1.20	{
123	sysadm	1.31	init_daemon();
124	sysadm	1.20	}
125	sysadm	1.18
126			// Change current dir
127	sysadm	1.21	strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
128	sysadm	1.22	file_path_temp[sizeof(file_path_temp) - 1] = '\0';
129
130	sysadm	1.61	if (chdir(dirname(file_path_temp)) < 0)
131			{
132			fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
133			return -1;
134			}
135			if (chdir("..") < 0)
136			{
137			fprintf(stderr, "chdir(..) error: %d\n", errno);
138			return -1;
139			}
140	sysadm	1.18
141	sysadm	1.73	// Apply the specified locale
142			if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
143			{
144			fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
145			return -1;
146			}
147
148	sysadm	1.18	// Initialize log
149	sysadm	1.21	if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
150			{
151	sysadm	1.30	return -1;
152	sysadm	1.21	}
153	sysadm	1.18
154			if ((!daemon) && std_log_redir)
155	sysadm	1.21	{
156	sysadm	1.50	log_common_redir(STDERR_FILENO);
157	sysadm	1.21	}
158	sysadm	1.18	if ((!daemon) && error_log_redir)
159	sysadm	1.21	{
160	sysadm	1.50	log_error_redir(STDERR_FILENO);
161	sysadm	1.21	}
162	sysadm	1.18
163	sysadm	1.54	log_common("Starting %s\n", APP_INFO);
164	sysadm	1.51
165	sysadm	1.18	// Load configuration
166	sysadm	1.26	if (load_conf(CONF_BBSD) < 0)
167			{
168	sysadm	1.30	return -2;
169	sysadm	1.26	}
170	sysadm	1.18
171	sysadm	1.72	// Load BWF config
172			if (bwf_load(CONF_BWF) < 0)
173			{
174			return -2;
175			}
176
177	sysadm	1.48	// Check article cache dir
178	sysadm	1.49	ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
179	sysadm	1.48	if (ret == -1 && errno != EEXIST)
180			{
181			log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
182			goto cleanup;
183			}
184
185	sysadm	1.68	// Check section aid location dir
186			ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
187			if (ret == -1 && errno != EEXIST)
188			{
189			log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno);
190			goto cleanup;
191			}
192
193	sysadm	1.42	// Initialize data pools
194	sysadm	1.63	if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
195			{
196			log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
197			goto cleanup;
198			}
199			fclose(fp);
200			if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
201	sysadm	1.42	{
202	sysadm	1.63	log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
203	sysadm	1.43	goto cleanup;
204	sysadm	1.42	}
205			fclose(fp);
206	sysadm	1.63	if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
207	sysadm	1.42	{
208	sysadm	1.63	log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
209	sysadm	1.43	goto cleanup;
210	sysadm	1.42	}
211			fclose(fp);
212	sysadm	1.63	if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
213	sysadm	1.42	{
214	sysadm	1.63	log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
215	sysadm	1.43	goto cleanup;
216	sysadm	1.42	}
217			fclose(fp);
218
219			if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
220	sysadm	1.39	{
221	sysadm	1.66	printf("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
222	sysadm	1.43	goto cleanup;
223	sysadm	1.39	}
224	sysadm	1.71	if (article_block_init(VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block) < 0)
225	sysadm	1.42	{
226	sysadm	1.71	log_error("article_block_init(%s, %d) error\n", VAR_ARTICLE_BLOCK_SHM, BBS_article_limit_per_section * BBS_max_section / BBS_article_count_per_block);
227	sysadm	1.43	goto cleanup;
228	sysadm	1.42	}
229			if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
230			{
231			log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
232	sysadm	1.43	goto cleanup;
233	sysadm	1.42	}
234	sysadm	1.39
235	sysadm	1.36	// Load BBS cmd
236			if (load_cmd() < 0)
237			{
238	sysadm	1.43	goto cleanup;
239	sysadm	1.36	}
240
241	sysadm	1.18	// Load menus
242	sysadm	1.59	if (load_menu(&bbs_menu, CONF_MENU) < 0)
243	sysadm	1.32	{
244	sysadm	1.62	log_error("load_menu(%s) error\n", CONF_MENU);
245	sysadm	1.43	goto cleanup;
246	sysadm	1.26	}
247	sysadm	1.62	if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
248			{
249			log_error("load_menu(%s) error\n", CONF_TOP10_MENU);
250			goto cleanup;
251			}
252			top10_menu.allow_exit = 1;
253	sysadm	1.18
254	sysadm	1.34	// Load data files
255	sysadm	1.35	if (file_loader_init() < 0)
256	sysadm	1.34	{
257			log_error("file_loader_init() error\n");
258	sysadm	1.43	goto cleanup;
259	sysadm	1.34	}
260			for (int i = 0; i < data_files_load_startup_count; i++)
261			{
262	sysadm	1.39	if (load_file(data_files_load_startup[i]) < 0)
263	sysadm	1.34	{
264	sysadm	1.67	log_error("load_file(%s) error\n", data_files_load_startup[i]);
265	sysadm	1.34	}
266			}
267
268	sysadm	1.64	// Load user_list and online_user_list
269	sysadm	1.66	if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
270	sysadm	1.64	{
271	sysadm	1.66	log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
272	sysadm	1.64	goto cleanup;
273			}
274			if (user_list_pool_reload(0) < 0)
275			{
276			log_error("user_list_pool_reload(all_user) error\n");
277			goto cleanup;
278			}
279			if (user_list_pool_reload(1) < 0)
280			{
281			log_error("user_list_pool_reload(online_user) error\n");
282			goto cleanup;
283			}
284
285	sysadm	1.60	// Load section config and gen_ex
286			if (load_section_config_from_db(1) < 0)
287	sysadm	1.42	{
288	sysadm	1.60	log_error("load_section_config_from_db(0) error\n");
289	sysadm	1.43	goto cleanup;
290	sysadm	1.42	}
291
292	sysadm	1.46	set_last_article_op_log_from_db();
293	sysadm	1.47	last_aid = 0;
294
295	sysadm	1.45	// Load section articles
296	sysadm	1.47	do
297	sysadm	1.43	{
298	sysadm	1.47	if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
299			{
300			log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
301			goto cleanup;
302			}
303
304			last_aid = article_block_last_aid();
305			} while (ret == LOAD_ARTICLE_COUNT_LIMIT);
306	sysadm	1.43
307	sysadm	1.50	log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
308	sysadm	1.43
309	sysadm	1.65	if ((ret = user_stat_update()) < 0)
310			{
311			log_error("user_stat_update() error\n");
312			goto cleanup;
313			}
314
315	sysadm	1.18	// Set signal handler
316	sysadm	1.52	act.sa_handler = sig_hup_handler;
317			if (sigaction(SIGHUP, &act, NULL) == -1)
318			{
319			log_error("set signal action of SIGHUP error: %d\n", errno);
320			goto cleanup;
321			}
322			act.sa_handler = sig_chld_handler;
323			if (sigaction(SIGCHLD, &act, NULL) == -1)
324			{
325			log_error("set signal action of SIGCHLD error: %d\n", errno);
326			goto cleanup;
327			}
328			act.sa_handler = sig_term_handler;
329			if (sigaction(SIGTERM, &act, NULL) == -1)
330			{
331			log_error("set signal action of SIGTERM error: %d\n", errno);
332			goto cleanup;
333			}
334	sysadm	1.18
335	sysadm	1.45	// Launch section_list_loader process
336			if (section_list_loader_launch() < 0)
337			{
338			log_error("section_list_loader_launch() error\n");
339			goto cleanup;
340			}
341
342	sysadm	1.18	// Initialize socket server
343	sysadm	1.33	net_server(BBS_address, BBS_port);
344	sysadm	1.18
345	sysadm	1.43	cleanup:
346	sysadm	1.34	// Cleanup loaded data files
347			file_loader_cleanup();
348	sysadm	1.42
349	sysadm	1.32	// Cleanup menu
350	sysadm	1.59	unload_menu(&bbs_menu);
351	sysadm	1.62	unload_menu(&top10_menu);
352	sysadm	1.15
353	sysadm	1.42	// Cleanup data pools
354			section_list_cleanup();
355			article_block_cleanup();
356	sysadm	1.39	trie_dict_cleanup();
357	sysadm	1.63	user_list_pool_cleanup();
358	sysadm	1.39
359	sysadm	1.72	// Cleanup BWF
360			bwf_unload();
361
362	sysadm	1.42	if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
363			{
364			log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
365			}
366			if (unlink(VAR_SECTION_LIST_SHM) < 0)
367			{
368			log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
369			}
370	sysadm	1.63	if (unlink(VAR_TRIE_DICT_SHM) < 0)
371			{
372			log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
373			}
374			if (unlink(VAR_USER_LIST_SHM) < 0)
375			{
376			log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
377			}
378	sysadm	1.42
379	sysadm	1.50	log_common("Main process exit normally\n");
380	sysadm	1.42
381	sysadm	1.57	log_end();
382
383	sysadm	1.30	return 0;
384	sysadm	1.1	}
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