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>
#include <sys/wait.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};
        int i;
        int j;

        // Parse args
        for (i = 1; i < argc; i++)
        {
                switch (argv[i][0])
                {
                case '-':
                        if (argv[i][1] != '-')
                        {
                                for (j = 1; j < strlen(argv[i]); j++)
                                {
                                        switch (argv[i][j])
                                        {
                                        case 'f':
                                                daemon = 0;
                                                break;
                                        case 'h':
                                                app_help();
                                                return 0;
                                        case 'v':
                                                printf("%s\n", APP_INFO);
                                                printf("%s\n", COPYRIGHT_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)
                                {
                                        printf("%s\n", APP_INFO);
                                        printf("%s\n", COPYRIGHT_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;
        }
#if defined(__CYGWIN__)
        if (chdir("..") < 0)
        {
                fprintf(stderr, "chdir(..) error: %d\n", errno);
                return -1;
        }
#endif

        // 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)
        {
                log_error("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;
        }
        act.sa_handler = SIG_IGN;
        if (sigaction(SIGUSR1, &act, NULL) == -1)
        {
                log_error("set signal action of SIGUSR1 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 loader process if still running
        if (SYS_child_process_count > 0)
        {
                SYS_child_exit = 0;
                
                if (kill(section_list_loader_pid, SIGTERM) < 0)
                {
                        log_error("Send SIGTERM signal failed (%d)\n", errno);
                }

                for(i = 0; SYS_child_exit == 0 && i < 5; i++)
                {
                        sleep(1); // second
                }

                if ((ret = waitpid(section_list_loader_pid, NULL, WNOHANG)) < 0)
                {
                        log_error("waitpid(%d) error (%d)\n", section_list_loader_pid, errno);
                }
                else if (ret == 0)
                {
                        log_common("Force kill section_list_loader process (%d)\n", section_list_loader_pid);
                        if (kill(section_list_loader_pid, SIGKILL) < 0)
                        {
                                log_error("Send SIGKILL signal failed (%d)\n", errno);
                        }
                }
        }

        // 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	1.80	#include <sys/wait.h>
35	sysadm	1.1
36	sysadm	1.56	static void app_help(void)
37	sysadm	1.6	{
38	sysadm	1.56	fprintf(stderr, "Usage: bbsd [-fhv] [...]\n\n"
39			"-f\t--foreground\t\tForce program run in foreground\n"
40			"-h\t--help\t\t\tDisplay this help message\n"
41			"-v\t--version\t\tDisplay version information\n"
42			"\t--display-log\t\tDisplay standard log information\n"
43			"\t--display-error-log\tDisplay error log information\n"
44			"\n If meet any bug, please report to <leaflet@leafok.com>\n\n");
45	sysadm	1.6	}
46
47	sysadm	1.56	static void arg_error(void)
48	sysadm	1.6	{
49	sysadm	1.56	fprintf(stderr, "Invalid arguments\n");
50	sysadm	1.18	app_help();
51	sysadm	1.6	}
52
53	sysadm	1.18	int main(int argc, char *argv[])
54	sysadm	1.1	{
55	sysadm	1.21	char file_path_temp[FILE_PATH_LEN];
56			int daemon = 1;
57			int std_log_redir = 0;
58			int error_log_redir = 0;
59	sysadm	1.42	FILE *fp;
60	sysadm	1.47	int ret;
61			int last_aid;
62	sysadm	1.52	struct sigaction act = {0};
63	sysadm	1.80	int i;
64			int j;
65	sysadm	1.18
66			// Parse args
67	sysadm	1.80	for (i = 1; i < argc; i++)
68	sysadm	1.12	{
69	sysadm	1.18	switch (argv[i][0])
70	sysadm	1.12	{
71	sysadm	1.18	case '-':
72			if (argv[i][1] != '-')
73			{
74	sysadm	1.80	for (j = 1; j < strlen(argv[i]); j++)
75	sysadm	1.18	{
76			switch (argv[i][j])
77			{
78			case 'f':
79			daemon = 0;
80			break;
81			case 'h':
82			app_help();
83	sysadm	1.30	return 0;
84	sysadm	1.18	case 'v':
85	sysadm	1.77	printf("%s\n", APP_INFO);
86			printf("%s\n", COPYRIGHT_INFO);
87	sysadm	1.30	return 0;
88	sysadm	1.18	default:
89			arg_error();
90	sysadm	1.30	return 1;
91	sysadm	1.18	}
92			}
93			}
94			else
95			{
96			if (strcmp(argv[i] + 2, "foreground") == 0)
97			{
98			daemon = 0;
99			break;
100			}
101			if (strcmp(argv[i] + 2, "help") == 0)
102			{
103			app_help();
104	sysadm	1.30	return 0;
105	sysadm	1.18	}
106			if (strcmp(argv[i] + 2, "version") == 0)
107			{
108	sysadm	1.76	printf("%s\n", APP_INFO);
109			printf("%s\n", COPYRIGHT_INFO);
110	sysadm	1.30	return 0;
111	sysadm	1.18	}
112			if (strcmp(argv[i] + 2, "display-log") == 0)
113			{
114			std_log_redir = 1;
115			}
116			if (strcmp(argv[i] + 2, "display-error-log") == 0)
117			{
118			error_log_redir = 1;
119			}
120			}
121			break;
122	sysadm	1.12	}
123			}
124
125	sysadm	1.18	// Initialize daemon
126			if (daemon)
127	sysadm	1.20	{
128	sysadm	1.31	init_daemon();
129	sysadm	1.20	}
130	sysadm	1.18
131			// Change current dir
132	sysadm	1.21	strncpy(file_path_temp, argv[0], sizeof(file_path_temp) - 1);
133	sysadm	1.22	file_path_temp[sizeof(file_path_temp) - 1] = '\0';
134
135	sysadm	1.61	if (chdir(dirname(file_path_temp)) < 0)
136			{
137			fprintf(stderr, "chdir(%s) error: %d\n", dirname(file_path_temp), errno);
138			return -1;
139			}
140			if (chdir("..") < 0)
141			{
142			fprintf(stderr, "chdir(..) error: %d\n", errno);
143			return -1;
144			}
145	sysadm	1.79	#if defined(__CYGWIN__)
146	sysadm	1.78	if (chdir("..") < 0)
147			{
148			fprintf(stderr, "chdir(..) error: %d\n", errno);
149			return -1;
150			}
151			#endif
152	sysadm	1.18
153	sysadm	1.73	// Apply the specified locale
154			if (setlocale(LC_ALL, "en_US.UTF-8") == NULL)
155			{
156			fprintf(stderr, "setlocale(LC_ALL, en_US.UTF-8) error\n");
157			return -1;
158			}
159
160	sysadm	1.18	// Initialize log
161	sysadm	1.21	if (log_begin(LOG_FILE_INFO, LOG_FILE_ERROR) < 0)
162			{
163	sysadm	1.30	return -1;
164	sysadm	1.21	}
165	sysadm	1.18
166			if ((!daemon) && std_log_redir)
167	sysadm	1.21	{
168	sysadm	1.50	log_common_redir(STDERR_FILENO);
169	sysadm	1.21	}
170	sysadm	1.18	if ((!daemon) && error_log_redir)
171	sysadm	1.21	{
172	sysadm	1.50	log_error_redir(STDERR_FILENO);
173	sysadm	1.21	}
174	sysadm	1.18
175	sysadm	1.54	log_common("Starting %s\n", APP_INFO);
176	sysadm	1.51
177	sysadm	1.18	// Load configuration
178	sysadm	1.26	if (load_conf(CONF_BBSD) < 0)
179			{
180	sysadm	1.30	return -2;
181	sysadm	1.26	}
182	sysadm	1.18
183	sysadm	1.72	// Load BWF config
184			if (bwf_load(CONF_BWF) < 0)
185			{
186			return -2;
187			}
188
189	sysadm	1.48	// Check article cache dir
190	sysadm	1.49	ret = mkdir(VAR_ARTICLE_CACHE_DIR, 0750);
191	sysadm	1.48	if (ret == -1 && errno != EEXIST)
192			{
193			log_error("mkdir(%s) error (%d)\n", VAR_ARTICLE_CACHE_DIR, errno);
194			goto cleanup;
195			}
196
197	sysadm	1.68	// Check section aid location dir
198			ret = mkdir(VAR_SECTION_AID_LOC_DIR, 0750);
199			if (ret == -1 && errno != EEXIST)
200			{
201			log_error("mkdir(%s) error (%d)\n", VAR_SECTION_AID_LOC_DIR, errno);
202			goto cleanup;
203			}
204
205	sysadm	1.42	// Initialize data pools
206	sysadm	1.63	if ((fp = fopen(VAR_ARTICLE_BLOCK_SHM, "w")) == NULL)
207			{
208			log_error("fopen(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
209			goto cleanup;
210			}
211			fclose(fp);
212			if ((fp = fopen(VAR_SECTION_LIST_SHM, "w")) == NULL)
213	sysadm	1.42	{
214	sysadm	1.63	log_error("fopen(%s) error\n", VAR_SECTION_LIST_SHM);
215	sysadm	1.43	goto cleanup;
216	sysadm	1.42	}
217			fclose(fp);
218	sysadm	1.63	if ((fp = fopen(VAR_TRIE_DICT_SHM, "w")) == NULL)
219	sysadm	1.42	{
220	sysadm	1.63	log_error("fopen(%s) error\n", VAR_TRIE_DICT_SHM);
221	sysadm	1.43	goto cleanup;
222	sysadm	1.42	}
223			fclose(fp);
224	sysadm	1.63	if ((fp = fopen(VAR_USER_LIST_SHM, "w")) == NULL)
225	sysadm	1.42	{
226	sysadm	1.63	log_error("fopen(%s) error\n", VAR_USER_LIST_SHM);
227	sysadm	1.43	goto cleanup;
228	sysadm	1.42	}
229			fclose(fp);
230
231			if (trie_dict_init(VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL) < 0)
232	sysadm	1.39	{
233	sysadm	1.77	log_error("trie_dict_init(%s, %d) error\n", VAR_TRIE_DICT_SHM, TRIE_NODE_PER_POOL);
234	sysadm	1.43	goto cleanup;
235	sysadm	1.39	}
236	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)
237	sysadm	1.42	{
238	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);
239	sysadm	1.43	goto cleanup;
240	sysadm	1.42	}
241			if (section_list_init(VAR_SECTION_LIST_SHM) < 0)
242			{
243			log_error("section_list_pool_init(%s) error\n", VAR_SECTION_LIST_SHM);
244	sysadm	1.43	goto cleanup;
245	sysadm	1.42	}
246	sysadm	1.39
247	sysadm	1.36	// Load BBS cmd
248			if (load_cmd() < 0)
249			{
250	sysadm	1.43	goto cleanup;
251	sysadm	1.36	}
252
253	sysadm	1.18	// Load menus
254	sysadm	1.59	if (load_menu(&bbs_menu, CONF_MENU) < 0)
255	sysadm	1.32	{
256	sysadm	1.62	log_error("load_menu(%s) error\n", CONF_MENU);
257	sysadm	1.43	goto cleanup;
258	sysadm	1.26	}
259	sysadm	1.62	if (load_menu(&top10_menu, CONF_TOP10_MENU) < 0)
260			{
261			log_error("load_menu(%s) error\n", CONF_TOP10_MENU);
262			goto cleanup;
263			}
264			top10_menu.allow_exit = 1;
265	sysadm	1.18
266	sysadm	1.34	// Load data files
267	sysadm	1.35	if (file_loader_init() < 0)
268	sysadm	1.34	{
269			log_error("file_loader_init() error\n");
270	sysadm	1.43	goto cleanup;
271	sysadm	1.34	}
272			for (int i = 0; i < data_files_load_startup_count; i++)
273			{
274	sysadm	1.39	if (load_file(data_files_load_startup[i]) < 0)
275	sysadm	1.34	{
276	sysadm	1.67	log_error("load_file(%s) error\n", data_files_load_startup[i]);
277	sysadm	1.34	}
278			}
279
280	sysadm	1.64	// Load user_list and online_user_list
281	sysadm	1.66	if (user_list_pool_init(VAR_USER_LIST_SHM) < 0)
282	sysadm	1.64	{
283	sysadm	1.66	log_error("user_list_pool_init(%s) error\n", VAR_USER_LIST_SHM);
284	sysadm	1.64	goto cleanup;
285			}
286			if (user_list_pool_reload(0) < 0)
287			{
288			log_error("user_list_pool_reload(all_user) error\n");
289			goto cleanup;
290			}
291			if (user_list_pool_reload(1) < 0)
292			{
293			log_error("user_list_pool_reload(online_user) error\n");
294			goto cleanup;
295			}
296
297	sysadm	1.60	// Load section config and gen_ex
298			if (load_section_config_from_db(1) < 0)
299	sysadm	1.42	{
300	sysadm	1.60	log_error("load_section_config_from_db(0) error\n");
301	sysadm	1.43	goto cleanup;
302	sysadm	1.42	}
303
304	sysadm	1.46	set_last_article_op_log_from_db();
305	sysadm	1.47	last_aid = 0;
306
307	sysadm	1.45	// Load section articles
308	sysadm	1.47	do
309	sysadm	1.43	{
310	sysadm	1.47	if ((ret = append_articles_from_db(last_aid + 1, 1, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
311			{
312			log_error("append_articles_from_db(0, 1, %d) error\n", LOAD_ARTICLE_COUNT_LIMIT);
313			goto cleanup;
314			}
315
316			last_aid = article_block_last_aid();
317			} while (ret == LOAD_ARTICLE_COUNT_LIMIT);
318	sysadm	1.43
319	sysadm	1.50	log_common("Initially load %d articles, last_aid = %d\n", article_block_article_count(), article_block_last_aid());
320	sysadm	1.43
321	sysadm	1.65	if ((ret = user_stat_update()) < 0)
322			{
323			log_error("user_stat_update() error\n");
324			goto cleanup;
325			}
326
327	sysadm	1.18	// Set signal handler
328	sysadm	1.52	act.sa_handler = sig_hup_handler;
329			if (sigaction(SIGHUP, &act, NULL) == -1)
330			{
331			log_error("set signal action of SIGHUP error: %d\n", errno);
332			goto cleanup;
333			}
334			act.sa_handler = sig_chld_handler;
335			if (sigaction(SIGCHLD, &act, NULL) == -1)
336			{
337			log_error("set signal action of SIGCHLD error: %d\n", errno);
338			goto cleanup;
339			}
340			act.sa_handler = sig_term_handler;
341			if (sigaction(SIGTERM, &act, NULL) == -1)
342			{
343			log_error("set signal action of SIGTERM error: %d\n", errno);
344			goto cleanup;
345			}
346	sysadm	1.75	act.sa_handler = SIG_IGN;
347			if (sigaction(SIGUSR1, &act, NULL) == -1)
348			{
349			log_error("set signal action of SIGUSR1 error: %d\n", errno);
350			goto cleanup;
351			}
352	sysadm	1.18
353	sysadm	1.45	// Launch section_list_loader process
354			if (section_list_loader_launch() < 0)
355			{
356			log_error("section_list_loader_launch() error\n");
357			goto cleanup;
358			}
359
360	sysadm	1.18	// Initialize socket server
361	sysadm	1.33	net_server(BBS_address, BBS_port);
362	sysadm	1.18
363	sysadm	1.43	cleanup:
364	sysadm	1.80	// Cleanup loader process if still running
365			if (SYS_child_process_count > 0)
366			{
367			SYS_child_exit = 0;
368
369			if (kill(section_list_loader_pid, SIGTERM) < 0)
370			{
371			log_error("Send SIGTERM signal failed (%d)\n", errno);
372			}
373
374			for(i = 0; SYS_child_exit == 0 && i < 5; i++)
375			{
376			sleep(1); // second
377			}
378
379			if ((ret = waitpid(section_list_loader_pid, NULL, WNOHANG)) < 0)
380			{
381			log_error("waitpid(%d) error (%d)\n", section_list_loader_pid, errno);
382			}
383			else if (ret == 0)
384			{
385			log_common("Force kill section_list_loader process (%d)\n", section_list_loader_pid);
386			if (kill(section_list_loader_pid, SIGKILL) < 0)
387			{
388			log_error("Send SIGKILL signal failed (%d)\n", errno);
389			}
390			}
391			}
392
393	sysadm	1.34	// Cleanup loaded data files
394			file_loader_cleanup();
395	sysadm	1.42
396	sysadm	1.32	// Cleanup menu
397	sysadm	1.59	unload_menu(&bbs_menu);
398	sysadm	1.62	unload_menu(&top10_menu);
399	sysadm	1.15
400	sysadm	1.42	// Cleanup data pools
401			section_list_cleanup();
402			article_block_cleanup();
403	sysadm	1.39	trie_dict_cleanup();
404	sysadm	1.63	user_list_pool_cleanup();
405	sysadm	1.39
406	sysadm	1.72	// Cleanup BWF
407			bwf_unload();
408
409	sysadm	1.42	if (unlink(VAR_ARTICLE_BLOCK_SHM) < 0)
410			{
411			log_error("unlink(%s) error\n", VAR_ARTICLE_BLOCK_SHM);
412			}
413			if (unlink(VAR_SECTION_LIST_SHM) < 0)
414			{
415			log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
416			}
417	sysadm	1.63	if (unlink(VAR_TRIE_DICT_SHM) < 0)
418			{
419			log_error("unlink(%s) error\n", VAR_TRIE_DICT_SHM);
420			}
421			if (unlink(VAR_USER_LIST_SHM) < 0)
422			{
423			log_error("unlink(%s) error\n", VAR_SECTION_LIST_SHM);
424			}
425	sysadm	1.42
426	sysadm	1.50	log_common("Main process exit normally\n");
427	sysadm	1.42
428	sysadm	1.57	log_end();
429
430	sysadm	1.30	return 0;
431	sysadm	1.1	}
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